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eNodeB
V100R005C00
KPI Reference
Issue 01
Date 2012-03-30
HUAWEI TECHNOLOGIES CO., LTD.
Issue 01 (2012-03-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
i
Copyright © Huawei Technologies Co., Ltd. 2012. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior
written consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
Notice
The purchased products, services and features are stipulated by the contract made between Huawei and
the customer. All or part of the products, services and features described in this document may not be
within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements,
information, and recommendations in this document are provided "AS IS" without warranties, guarantees or
representations of any kind, either express or implied.
The information in this document is subject to change without notice. Every effort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute a warranty of any kind, express or implied.
Huawei Technologies Co., Ltd.
Address: Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website: http://www.huawei.com
Email: support@huawei.com
eNodeB V100R005C00 KPI Reference About This Document
Issue 01 (2012-03-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
ii
About This Document
Intended Audience
This document is intended for:
 Network planners
 Network administrators
 Network operators
Change History
Updates between document issues are cumulative. Therefore, the latest document issue
contains all updates made in previous issues.
Changes in Issue 01 (2012-03-30)
This is the first commercial release.
Compared with Issue Draft B (2012-02-15), 01 (2012-03-30) incorporates changes as follows:
The Mapped Counter’s name about the KPI of Average CPU Load in third column of the
Table 11-1 is modified.
Changes in Issue Draft B (2012-02-15)
Initial field draft release.
Compared with Issue Draft A (2012-01-10), Draft B (2012-02-15) incorporates no changes.
Changes in Draft A (2012-01-10)
Initial field draft release.
Compared with Issue 03(2011-12-24), changes in Issue Draft A (2012-01-10) incorporates
changes as follows:
Add the KPIs of Call Setup Success Rate, Cell Downlink Average Throughput, Cell Uplink
Average Throughput, Cell Downlink Maximum Throughput, Cell Uplink Maximum
Throughput, Average User Number, Maximum User Number, and add a sub-KPI for total
Radio Bearers, a sub-KPI for total Downlink Traffic Volume, and a sub-KPI for total Uplink
Traffic Volume.
eNodeB V100R005C00 KPI Reference Contents
Issue 01 (2012-03-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
iii
Contents
About This Document.................................................................................................................... ii
1 Overview......................................................................................................................................1-1
2 Template for KPI Definition ...................................................................................................2-1
3 Accessibility KPIs ......................................................................................................................3-1
3.1 RRC Setup Success Rate (Service) ...............................................................................................................3-1
3.1.1 Description...........................................................................................................................................3-1
3.1.2 Definition.............................................................................................................................................3-2
3.2 RRC Setup Success Rate (Signaling)............................................................................................................3-2
3.2.1 Description...........................................................................................................................................3-2
3.2.2 Definition.............................................................................................................................................3-3
3.3 ERAB Setup Success Rate (VoIP).................................................................................................................3-3
3.3.1 Description...........................................................................................................................................3-3
3.3.2 Definition.............................................................................................................................................3-5
3.4 ERAB Setup Success Rate (All) ...................................................................................................................3-5
3.4.1 Description...........................................................................................................................................3-5
3.4.2 Definition.............................................................................................................................................3-5
3.5 Call Setup Success Rate................................................................................................................................3-6
3.5.1 Description...........................................................................................................................................3-6
3.5.2 Definition.............................................................................................................................................3-6
4 Retainability KPIs......................................................................................................................4-1
4.1 Call Drop Rate (VoIP)...................................................................................................................................4-1
4.1.1 Description...........................................................................................................................................4-1
4.1.2 Definition.............................................................................................................................................4-2
4.2 Service Drop Rate (All).................................................................................................................................4-3
4.2.1 Description...........................................................................................................................................4-3
4.2.2 Definition.............................................................................................................................................4-3
5 Mobility KPIs..............................................................................................................................5-1
5.1 Intra-frequency Handover Out Success Rate ................................................................................................5-1
5.1.1 Description...........................................................................................................................................5-1
5.1.2 Definition.............................................................................................................................................5-3
5.2 Inter-frequency Handover Out Success Rate.................................................................................................5-3
eNodeB V100R005C00 KPI Reference Contents
Issue 01 (2012-03-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
iv
5.2.1 Description...........................................................................................................................................5-4
5.2.2 Definition.............................................................................................................................................5-4
5.3 Handover In Success Rate.............................................................................................................................5-4
5.3.1 Description...........................................................................................................................................5-4
5.3.2 Definition.............................................................................................................................................5-6
5.4 Inter-RAT Handover Out Success Rate (LTE to CDMA)..............................................................................5-6
5.4.1 Description...........................................................................................................................................5-6
5.4.2 Definition.............................................................................................................................................5-7
5.5 Inter-RAT Handover Out Success Rate (LTE to WCDMA)..........................................................................5-8
5.5.1 Description...........................................................................................................................................5-8
5.5.2 Definition.............................................................................................................................................5-9
5.6 Inter-RAT Handover Out Success Rate (LTE to GSM).................................................................................5-9
5.6.1 Description...........................................................................................................................................5-9
5.6.2 Definition...........................................................................................................................................5-10
6 Service Integrity KPIs ...............................................................................................................6-1
6.1 Service Downlink Average Throughput ........................................................................................................6-1
6.1.1 Description...........................................................................................................................................6-1
6.1.2 Definition.............................................................................................................................................6-1
6.2 Service Uplink Average Throughput.............................................................................................................6-2
6.2.1 Description...........................................................................................................................................6-2
6.2.2 Definition.............................................................................................................................................6-2
6.3 Cell Downlink Average Throughput..............................................................................................................6-3
6.3.1 Description...........................................................................................................................................6-3
6.3.2 Definition.............................................................................................................................................6-3
6.4 Cell Uplink Average Throughput ..................................................................................................................6-4
6.4.1 Description...........................................................................................................................................6-4
6.4.2 Definition.............................................................................................................................................6-4
6.5 Cell Downlink Maximum Throughput..........................................................................................................6-5
6.5.1 Description...........................................................................................................................................6-5
6.5.2 Definition.............................................................................................................................................6-5
6.6 Cell Uplink Maximum Throughput...............................................................................................................6-5
6.6.1 Description...........................................................................................................................................6-5
6.6.2 Definition.............................................................................................................................................6-5
7 Utilization KPIs..........................................................................................................................7-1
7.1 Resource Block Utilizing Rate......................................................................................................................7-1
7.1.1 Description...........................................................................................................................................7-1
7.1.2 Definition.............................................................................................................................................7-1
7.2 Average CPU Load........................................................................................................................................7-2
7.2.1 Description...........................................................................................................................................7-2
7.2.2 Definition.............................................................................................................................................7-2
8 Availability KPIs........................................................................................................................8-1
eNodeB V100R005C00 KPI Reference Contents
Issue 01 (2012-03-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
v
8.1 Radio Network Unavailability Rate ..............................................................................................................8-1
8.1.1 Description...........................................................................................................................................8-1
8.1.2 Definition.............................................................................................................................................8-1
9 Traffic KPIs .................................................................................................................................9-1
9.1 Radio Bearers................................................................................................................................................9-1
9.1.1 Description...........................................................................................................................................9-1
9.1.2 Definition.............................................................................................................................................9-1
9.2 Downlink Traffic Volume..............................................................................................................................9-2
9.2.1 Description...........................................................................................................................................9-2
9.2.2 Definition.............................................................................................................................................9-2
9.3 Uplink Traffic Volume...................................................................................................................................9-3
9.3.1 Description...........................................................................................................................................9-3
9.3.2 Definition.............................................................................................................................................9-3
9.4 Average User Number ...................................................................................................................................9-4
9.4.1 Description...........................................................................................................................................9-4
9.4.2 Definition.............................................................................................................................................9-4
9.5 Maximum User Number................................................................................................................................9-5
9.5.1 Description...........................................................................................................................................9-5
9.5.2 Definition.............................................................................................................................................9-5
10 References................................................................................................................................10-1
11 Counter List.............................................................................................................................11-1

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huawei-lte-kpi-ref

  • 1. eNodeB V100R005C00 KPI Reference Issue 01 Date 2012-03-30 HUAWEI TECHNOLOGIES CO., LTD.
  • 2. Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. i Copyright © Huawei Technologies Co., Ltd. 2012. All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd. Trademarks and Permissions and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd. All other trademarks and trade names mentioned in this document are the property of their respective holders. Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS" without warranties, guarantees or representations of any kind, either express or implied. The information in this document is subject to change without notice. Every effort has been made in the preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations in this document do not constitute a warranty of any kind, express or implied. Huawei Technologies Co., Ltd. Address: Huawei Industrial Base Bantian, Longgang Shenzhen 518129 People's Republic of China Website: http://www.huawei.com Email: support@huawei.com
  • 3. eNodeB V100R005C00 KPI Reference About This Document Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. ii About This Document Intended Audience This document is intended for:  Network planners  Network administrators  Network operators Change History Updates between document issues are cumulative. Therefore, the latest document issue contains all updates made in previous issues. Changes in Issue 01 (2012-03-30) This is the first commercial release. Compared with Issue Draft B (2012-02-15), 01 (2012-03-30) incorporates changes as follows: The Mapped Counter’s name about the KPI of Average CPU Load in third column of the Table 11-1 is modified. Changes in Issue Draft B (2012-02-15) Initial field draft release. Compared with Issue Draft A (2012-01-10), Draft B (2012-02-15) incorporates no changes. Changes in Draft A (2012-01-10) Initial field draft release. Compared with Issue 03(2011-12-24), changes in Issue Draft A (2012-01-10) incorporates changes as follows: Add the KPIs of Call Setup Success Rate, Cell Downlink Average Throughput, Cell Uplink Average Throughput, Cell Downlink Maximum Throughput, Cell Uplink Maximum Throughput, Average User Number, Maximum User Number, and add a sub-KPI for total Radio Bearers, a sub-KPI for total Downlink Traffic Volume, and a sub-KPI for total Uplink Traffic Volume.
  • 4. eNodeB V100R005C00 KPI Reference Contents Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. iii Contents About This Document.................................................................................................................... ii 1 Overview......................................................................................................................................1-1 2 Template for KPI Definition ...................................................................................................2-1 3 Accessibility KPIs ......................................................................................................................3-1 3.1 RRC Setup Success Rate (Service) ...............................................................................................................3-1 3.1.1 Description...........................................................................................................................................3-1 3.1.2 Definition.............................................................................................................................................3-2 3.2 RRC Setup Success Rate (Signaling)............................................................................................................3-2 3.2.1 Description...........................................................................................................................................3-2 3.2.2 Definition.............................................................................................................................................3-3 3.3 ERAB Setup Success Rate (VoIP).................................................................................................................3-3 3.3.1 Description...........................................................................................................................................3-3 3.3.2 Definition.............................................................................................................................................3-5 3.4 ERAB Setup Success Rate (All) ...................................................................................................................3-5 3.4.1 Description...........................................................................................................................................3-5 3.4.2 Definition.............................................................................................................................................3-5 3.5 Call Setup Success Rate................................................................................................................................3-6 3.5.1 Description...........................................................................................................................................3-6 3.5.2 Definition.............................................................................................................................................3-6 4 Retainability KPIs......................................................................................................................4-1 4.1 Call Drop Rate (VoIP)...................................................................................................................................4-1 4.1.1 Description...........................................................................................................................................4-1 4.1.2 Definition.............................................................................................................................................4-2 4.2 Service Drop Rate (All).................................................................................................................................4-3 4.2.1 Description...........................................................................................................................................4-3 4.2.2 Definition.............................................................................................................................................4-3 5 Mobility KPIs..............................................................................................................................5-1 5.1 Intra-frequency Handover Out Success Rate ................................................................................................5-1 5.1.1 Description...........................................................................................................................................5-1 5.1.2 Definition.............................................................................................................................................5-3 5.2 Inter-frequency Handover Out Success Rate.................................................................................................5-3
  • 5. eNodeB V100R005C00 KPI Reference Contents Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. iv 5.2.1 Description...........................................................................................................................................5-4 5.2.2 Definition.............................................................................................................................................5-4 5.3 Handover In Success Rate.............................................................................................................................5-4 5.3.1 Description...........................................................................................................................................5-4 5.3.2 Definition.............................................................................................................................................5-6 5.4 Inter-RAT Handover Out Success Rate (LTE to CDMA)..............................................................................5-6 5.4.1 Description...........................................................................................................................................5-6 5.4.2 Definition.............................................................................................................................................5-7 5.5 Inter-RAT Handover Out Success Rate (LTE to WCDMA)..........................................................................5-8 5.5.1 Description...........................................................................................................................................5-8 5.5.2 Definition.............................................................................................................................................5-9 5.6 Inter-RAT Handover Out Success Rate (LTE to GSM).................................................................................5-9 5.6.1 Description...........................................................................................................................................5-9 5.6.2 Definition...........................................................................................................................................5-10 6 Service Integrity KPIs ...............................................................................................................6-1 6.1 Service Downlink Average Throughput ........................................................................................................6-1 6.1.1 Description...........................................................................................................................................6-1 6.1.2 Definition.............................................................................................................................................6-1 6.2 Service Uplink Average Throughput.............................................................................................................6-2 6.2.1 Description...........................................................................................................................................6-2 6.2.2 Definition.............................................................................................................................................6-2 6.3 Cell Downlink Average Throughput..............................................................................................................6-3 6.3.1 Description...........................................................................................................................................6-3 6.3.2 Definition.............................................................................................................................................6-3 6.4 Cell Uplink Average Throughput ..................................................................................................................6-4 6.4.1 Description...........................................................................................................................................6-4 6.4.2 Definition.............................................................................................................................................6-4 6.5 Cell Downlink Maximum Throughput..........................................................................................................6-5 6.5.1 Description...........................................................................................................................................6-5 6.5.2 Definition.............................................................................................................................................6-5 6.6 Cell Uplink Maximum Throughput...............................................................................................................6-5 6.6.1 Description...........................................................................................................................................6-5 6.6.2 Definition.............................................................................................................................................6-5 7 Utilization KPIs..........................................................................................................................7-1 7.1 Resource Block Utilizing Rate......................................................................................................................7-1 7.1.1 Description...........................................................................................................................................7-1 7.1.2 Definition.............................................................................................................................................7-1 7.2 Average CPU Load........................................................................................................................................7-2 7.2.1 Description...........................................................................................................................................7-2 7.2.2 Definition.............................................................................................................................................7-2 8 Availability KPIs........................................................................................................................8-1
  • 6. eNodeB V100R005C00 KPI Reference Contents Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. v 8.1 Radio Network Unavailability Rate ..............................................................................................................8-1 8.1.1 Description...........................................................................................................................................8-1 8.1.2 Definition.............................................................................................................................................8-1 9 Traffic KPIs .................................................................................................................................9-1 9.1 Radio Bearers................................................................................................................................................9-1 9.1.1 Description...........................................................................................................................................9-1 9.1.2 Definition.............................................................................................................................................9-1 9.2 Downlink Traffic Volume..............................................................................................................................9-2 9.2.1 Description...........................................................................................................................................9-2 9.2.2 Definition.............................................................................................................................................9-2 9.3 Uplink Traffic Volume...................................................................................................................................9-3 9.3.1 Description...........................................................................................................................................9-3 9.3.2 Definition.............................................................................................................................................9-3 9.4 Average User Number ...................................................................................................................................9-4 9.4.1 Description...........................................................................................................................................9-4 9.4.2 Definition.............................................................................................................................................9-4 9.5 Maximum User Number................................................................................................................................9-5 9.5.1 Description...........................................................................................................................................9-5 9.5.2 Definition.............................................................................................................................................9-5 10 References................................................................................................................................10-1 11 Counter List.............................................................................................................................11-1
  • 7. eNodeB V100R005C00 KPI Reference Figures Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 6 Figures Figure 3-1 Measurement point for RRC connection setup.................................................................................3-2 Figure 3-2 Measurement point for MME-initiated ERAB setup........................................................................3-4 Figure 3-3 Measurement point for UE-triggered ERAB setup...........................................................................3-4 Figure 4-1 Abnormal ERAB release...................................................................................................................4-2 Figure 5-1 Scenario for Intra-frequency Intra-eNB HO.....................................................................................5-2 Figure 5-2 Scenario A for intra-frequency inter-eNodeB HO ............................................................................5-2 Figure 5-3 Scenario B for intra-frequency inter-eNodeB HO ............................................................................5-3 Figure 5-4 Intra-eNodeB HO..............................................................................................................................5-5 Figure 5-5 Scenario A for Inter-eNodeB HO......................................................................................................5-5 Figure 5-6 Scenario B for Inter-eNodeB HO .....................................................................................................5-6 Figure 5-7 Inter-RAT handover (LTE to CDMA)...............................................................................................5-7 Figure 5-8 Inter-RAT handover (LTE to WCDMA)...........................................................................................5-9
  • 8. eNodeB V100R005C00 KPI Reference Tables Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 7 Tables Table 3-1 RRC setup success rate (service)........................................................................................................3-2 Table 3-2 RRC setup success rate (signaling).....................................................................................................3-3 Table 3-3 ERAB setup success rate (VoIP).........................................................................................................3-5 Table 3-4 ERAB setup success rate (all).............................................................................................................3-6 Table 3-5 Call Setup Success Rate .....................................................................................................................3-6 Table 4-1 Call drop rate (VoIP)...........................................................................................................................4-2 Table 4-2 Service drop rate (all) .........................................................................................................................4-3 Table 5-1 Intra-frequency handover out success rate..........................................................................................5-3 Table 5-2 Inter-frequency handover out success rate..........................................................................................5-4 Table 5-3 Handover in success rate ....................................................................................................................5-6 Table 5-4 Inter-RAT handover out success rate (LTE to CDMA).......................................................................5-8 Table 5-5 Inter-RAT handover out success rate (LTE to WCDMA)...................................................................5-9 Table 5-6 Inter-RAT handover out success rate (LTE to GSM)........................................................................5-10 Table 6-1 Service DL average throughput ..........................................................................................................6-2 Table 6-2 Service UL average throughput ..........................................................................................................6-3 Table 6-3 Cell DL average throughput ...............................................................................................................6-4 Table 6-4 Cell UL average throughput ...............................................................................................................6-4 Table 6-5 Cell DL maximum throughput............................................................................................................6-5 Table 6-6 Cell UL maximum throughput............................................................................................................6-6 Table 7-1 RB utilizing rate .................................................................................................................................7-2 Table 7-2 Average CPU load ..............................................................................................................................7-2 Table 8-1 Radio network unavailability rate.......................................................................................................8-1 Table 9-1 Radio bearers......................................................................................................................................9-2 Table 9-2 DL traffic volume ...............................................................................................................................9-3 Table 9-3 UL traffic volume ...............................................................................................................................9-4 Table 9-4 Average User Number ........................................................................................................................9-5
  • 9. eNodeB V100R005C00 KPI Reference Tables Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 8 Table 9-5 Maximum User Number.....................................................................................................................9-5 Table 11-1 KPI-related counter list...................................................................................................................11-1
  • 10. eNodeB V100R005C00 KPI Reference 1 Overview Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 1-1 1 Overview With the initial target of downlink peak data rate reaching above 100 Mbit/s, the next-generation Long Term Evolution (LTE) system is developed to meet the increasing demands on higher data rate due to fast expansion of multimedia applications. For a new wireless system like the LTE, a set of Key Performance Indicators (KPIs) are defined for the evaluation of system performance, in particular the performance of the evolved Radio Access Network (eRAN). The comparison between the LTE and the legacy systems such as UMTS or CDMA2000 system is also specified in this document. This document specifies a set of eRAN KPIs to evaluate the performance of the LTE system. Some counters necessary for the KPI calculation are also described in details. Given that the LTE is a new system, the KPIs in this document are drafted ones and subject to change. KPIs should be updated according to the experiences of commercial network management and radio network optimization. The KPIs in this document are classified into categories based on the measurement targets: accessibility, retainability, mobility, service integrity, utilization, availability, and traffic KPIs. This document is organized as follows: firstly we briefly describe the KPI specification template. Then detailed specifications of each KPI are described in terms of the aforementioned seven categories. Finally we provide definitions of relevant counters in Chapter 11 Counter List.
  • 11. eNodeB V100R005C00 KPI Reference 2 Template for KPI Definition Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 2-1 2 Template for KPI Definition According to the template, the KPI is defined in terms of the following items. Each KPI has several sub-clauses.  KPI name (clause header) It is a descriptive name of the KPI.  Descriptions It provides a brief overview of the KPI.  Measurement scope It specifies the KPI monitoring scope. In general, the measurement is made in terms of cells. The KPI value reflects the performance in a cell or a cluster. The associated counters can be obtained from cell statistics. In this document, cluster indicates a group of cells selected by user.  Formula It is used to calculate the KPI. Generally the formula consists of several counters that are specified in other sub-clauses.  Associated counters It contains counters used in the formula. Chapter 11 Counter List provides the counter descriptions.
  • 12. eNodeB V100R005C00 KPI Reference 3 Accessibility KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 3-1 3 Accessibility KPIs Accessibility KPIs are used to measure the probability whether services requested by a user can be accessed within specified tolerances in the given operating conditions. The service provided by the E-UTRAN is defined as EPS/ERABs. Radio Resource Control (RRC) connection and System Architecture Evolution (ERAB) setup are the main procedures for accessibility KPIs. The accessibility KPIs can be calculated per cell or cluster. The KPIs at the cluster level are calculated by aggregating all cell counters of the same cluster. 3.1 RRC Setup Success Rate (Service) 3.1.1 Description According to Reference[1] , the RRC connection setup procedure is triggered by various different causes as identified by the “establishmentCause” field in RRCConnectionRequest message: emergency, highPriorityAccess, mt (Mobile terminating)-Access, mo (Mobile Originating)-Signaling, and mo-Data. The UE sets the establishmentCause in accordance with the information received from upper layers. Causes except mo-signaling are categorized as service-related ones. The mo-signaling cause is a signaling-related cause. This KPI evaluates the RRC setup success rate with service-related causes in a cell or cluster Involved. The KPI is calculated based on the counters measured at eNodeB when the eNodeB receives an RRC Connection Request from the UE, as shown in Figure 3-1. To illustrate the KPI calculation procedures, we briefly discuss how the related counters (number of RRC Connection setup attempts (service) and number of successful RRC setup (service)) are collected. The number of RRC Connection attempts is collected by the eNodeB at measurement point A and the number of successful RRC connection is counted at measurement point C. The related counters are discussed in Chapter 11 Counter List.
  • 13. eNodeB V100R005C00 KPI Reference 3 Accessibility KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 3-2 Figure 3-1 Measurement point for RRC connection setup 3.1.2 Definition The RRC setup success rate (service) KPI is defined in Table 3-1. Note that the number of RRC connection setup attempts (service) and the successful RRC connection setup times (service) is collected based on the descriptions in Section 3.1.1 . Table 3-1 RRC setup success rate (service) KPI Name RRC Setup Success Rate (service) Measurement Scope Cell / Cluster Formula %100_ service  service service ionAttemptRRCConnect ionSuccessRRCConnect SRRRCS Associated Counters See Chapter 11 Counter List. Unit Percentage (%) 3.2 RRC Setup Success Rate (Signaling) 3.2.1 Description This KPI evaluates the RRC setup success rate of the signaling-related cause (mo-signaling) in a cell or a cluster. Like the RRC Setup Success Rate (service), this KPI is used to calculate the RRC setup success rate only when the “establishmentCause” field is set to mo-signaling in a cell or a cluster.
  • 14. eNodeB V100R005C00 KPI Reference 3 Accessibility KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 3-3 3.2.2 Definition The RRC setup success rate (signaling) KPI is defined in Table 3-2. Note that the RRC connection setup attempts (signaling) and the successful RRC connection setup counters (signaling) are collected based on the descriptions in Section 3.2.1 . Table 3-2 RRC setup success rate (signaling) KPI Name RRC Setup Success Rate (signaling) Measurement Scope Cell / Cluster Formula %100_ other  other other ionAttemptRRCConnect ionSuccessRRCConnect SRRRCS Associated Counters See Chapter 11 Counter List. Unit Percentage (%) 3.3 ERAB Setup Success Rate (VoIP) 3.3.1 Description This KPI is used to evaluate the ERAB setup success rate of the VoIP service in a cell or a cluster. The counters related to this KPI are measured when the eNodeB receives an ERAB Setup Request message or an Initial Context Setup Request message from the MME, as shown in Figure 3-2 according to Reference [2] and Reference [3] . The ERAB is part of the Evolved Packet Service (EPS) bearer. According to Reference [4] , an ERAB is one or more Service Data Flows between UE and EPC. The ERAB identity remains unique for the UE even if the UE-associated logical S1-connection (S1 bearer) is released during periods of user inactivity. The ERAB consists of both ERAB radio bearer (between eNodeB and UE, same as the radio bear defined in the EPS bearer) and corresponding S1 bearer (between eNodeB and MME). Figure 3-2 and Figure 3-3 show two scenarios: MME-initiated ERAB setup (Scenario A) and UE-triggered ERAB setup (Scenario B). Scenario B is triggered by the radio bearer setup. Initial Context Setup Request messages are exchanged between eNodeB and MME. If the ERAB Setup Request message or Initial Context Setup Request message requires multiple ERAB setups at the same time, specific counters are incremented for each ERAB .
  • 15. eNodeB V100R005C00 KPI Reference 3 Accessibility KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 3-4 Figure 3-2 Measurement point for MME-initiated ERAB setup Figure 3-3 Measurement point for UE-triggered ERAB setup
  • 16. eNodeB V100R005C00 KPI Reference 3 Accessibility KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 3-5 Number of ERAB Connection setup attempts is collected by the eNodeB at measurement point A and the number of successful ERAB connections is counted at measurement point B, as shown in Figure 3-2 and Figure 3-3. Note that the eNodeB needs to specify the Quality of Service (QoS) Class Identifier (QCI) for VoIP in the ERAB setup message. The voice service can be identified by the QoS information, in particular the QCI in the ERAB Setup Request message. In general, QCI 1 is assigned to the voice service. 3.3.2 Definition The ERAB setup success rate (VoIP) KPI is defined in Table 3-3. Note that the ERAB setup attempts (VoIP) and the successful ERAB setup counters (VoIP) are collected based on the descriptions in Section 3.3.1 . Table 3-3 ERAB setup success rate (VoIP) KPI Name ERAB Setup Success Rate (VoIP) Measurement Scope Cell / Cluster Formula %100_  tupAttemptVoIPERABSe tupSuccessVoIPERABSe SRVoIPERABS Associated Counters See Chapter 11 Counter List. Unit Percentage (%) 3.4 ERAB Setup Success Rate (All) 3.4.1 Description This KPI can be used to evaluate the ERAB setup success rate of all services including the VoIP service in a cell or a cluster. This KPI is calculated based on the counters (both the ERAB setup attempts (All) and the successful ERAB setup (All) counters) measured at the eNodeB as shown in Figure 3-2. 3.4.2 Definition The ERAB setup success rate (All) KPI is defined in Table 3-4. The ERAB setup attempts (All) and the successful ERAB setup counters (All) are collected based on the descriptions in Section 3.4.1 .
  • 17. eNodeB V100R005C00 KPI Reference 3 Accessibility KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 3-6 Table 3-4 ERAB setup success rate (all) KPI Name ERAB Setup Success Rate (All) Measurement Scope Cell / Cluster Formula %100_  ttemptERABSetupA uccessERABSetupS SRERABS Associated Counters See Chapter 11 Counter List. Unit Percentage (%) 3.5 Call Setup Success Rate 3.5.1 Description This KPI can be used to evaluate the call setup success rate of all services including the VoIP service in a cell or a cluster. This KPI is calculated based on the KPI of RRC Setup Success Rate (Service) and the KPI of ERAB Setup Success Rate (All). 3.5.2 Definition The call setup success rate KPI is defined in Table 3-5. The KPI is calculated base on multiplying the KPI of RRC Setup Success Rate (Service) and the KPI of ERAB Setup Success Rate (All). For these two KPIs, can refer to section 3.1 and section 3.4 . Table 3-5 Call Setup Success Rate KPI Name Call Setup Success Rate Measurement Scope Cell / Cluster Formula %100 ttemptERABSetupA uccessERABSetupS ionAttemptRRCConnect ionSuccessRRCConnect CSSR service service Associated Counters See Chapter 11 Counter List. Unit Percentage (%)
  • 18. eNodeB V100R005C00 KPI Reference 4 Retainability KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 4-1 4 Retainability KPIs Retainability KPIs are used to evaluate the network capability to retain services requested by a user for a desired duration once the user is connected to the services. These counters can be calculated per cell or per cluster. The KPIs at the cluster level can be calculated by aggregating all the cell counters. Retainability KPIs are important in evaluating whether the system can maintain the service quality at certain level. 4.1 Call Drop Rate (VoIP) 4.1.1 Description This KPI can be used to evaluate the call drop rate of the VoIP service in a cell or a cluster. The call drop rate is calculated by monitoring the VoIP ERAB abnormal release rate. Each ERAB is associated with the QoS information. The voice service can be distinguished by the specific QCI = 1. ERAB includes both the ERAB radio bearer and corresponding S1 bearer. Any abnormal release on either bearer causes call drop and therefore is counted into the call drop rate. The abnormal release is identified by the CauseIE defined in Reference[3] . The Call Drop Rate (CDR) is defined as Abnormal ERAB release / All released ERAB. Note that there are two different procedures indicating the ERAB release: they are indicated through E-RAB Release Indication and UE Context Release Command as shown in Figure 4-1.
  • 19. eNodeB V100R005C00 KPI Reference 4 Retainability KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 4-2 Figure 4-1 Abnormal ERAB release As shown in Figure 4-1, the abnormal ERAB release counter is incremented when the eNodeB sends an E-RAB Release Indication to the MME or receives an UE Context Release Command message from the MME and the release causes are not Normal Release, User Inactivity, Partial Handover, or Handover triggered. If the message contains several ERAB ID IEs (in the ERAB to Be Release List IE), the counter will be incremented for each individual ERAB. For the eNodeB-initiated abnormal ERAB release, the eNodeB knows whether it is a normal or abnormal ERAB release. 4.1.2 Definition The call drop rate (VoIP) is defined in Table 4-1. Table 4-1 Call drop rate (VoIP) KPI Name Call Drop Rate (VoIP) Measurement Scope Cell / Cluster Formula %100 Re Re _  leaseVoIPERAB leasenormalVoIPERABAb CDRVoIP Associated Counters See chapter 11 Counter List. Unit Percentage (%)
  • 20. eNodeB V100R005C00 KPI Reference 4 Retainability KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 4-3 4.2 Service Drop Rate (All) 4.2.1 Description This KPI can be used to evaluate the call drop rate of all services in a cell or a cluster, including VoIP service. Similar to the KPI defined in Section 4.1 , this KPI measures abnormal release at the eNodeB. 4.2.2 Definition Service drop rate (All) is defined in Table 4-2. Table 4-2 Service drop rate (all) KPI Name Service Drop Rate (All) Measurement Scope Cell / Cluster Formula %100 Re Re _  leaseERAB leasealERABAbnorm CDRService Associated Counters See Chapter 11 Counter List. Unit Percentage (%)
  • 21. eNodeB V100R005C00 KPI Reference 5 Mobility KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 5-1 5 Mobility KPIs Mobility KPIs are used to evaluate the performance of E-UTRAN mobility, which is critical to the customer experience. Several categories of mobility KPIs are defined based on the following handover types: intra-frequency, inter-frequency, and inter-Radio Access Technology (RAT). 5.1 Intra-frequency Handover Out Success Rate 5.1.1 Description This KPI can be used to evaluate the intra-frequency Handover out success rate in a cell or a cluster. The intra-frequency handover (HO) includes both inter-eNodeB and intra-eNodeB scenarios. To illustrate the KPI calculation, we briefly discuss how the related counters (number of intra-frequency HO attempts and number of successful intra-frequency HO attempts) are collected. Intra-eNodeB HO scenario is shown in Figure 5-1. The HO attempt counter is collected at point B. When the eNodeB sends an RRCConnectionReconfiguration message to the UE, it decides to perform a handover. The eNodeB counts the number of attempts to perform intra-eNodeB intra-frequency HO in the source cell. The success HO counters are collected at point C. The eNodeB counts the number of successful intra-eNodeB intra-frequency HOs in the source cell when the eNodeB receives the RRCConnectionReconfigurationComplete message from the UE.
  • 22. eNodeB V100R005C00 KPI Reference 5 Mobility KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 5-2 Figure 5-1 Scenario for Intra-frequency Intra-eNB HO Two scenarios are available for the inter-eNodeB HO, as shown Figure 5-2 and Figure 5-3. The HO attempts are collected at point B. When the Source-eNodeB (S-eNodeB) sends an RRCConnectionReconfiguration message to the UE, it decides to perform an inter-eNodeB HO. In this KPI, the source and target cells of the handover are at the same frequency. The number of inter-eNodeB intra-frequency HO attempts is measured at the source cell. The number of inter-eNodeB intra frequency success HOs is collected at point C as shown in Figure 5-2 and Figure 5-3. During a handover with the source and target cells at the same frequency, the number of successful inter-eNodeB intra-frequency HOs is measured in the source cell when the S-eNodeB receives a UE Context Release message from the Target-eNodeB (T-eNodeB) or a UE Context Release Command message from the MME, indicating that the UE access to the T-eNodeB is successful. Figure 5-2 Scenario A for intra-frequency inter-eNodeB HO
  • 23. eNodeB V100R005C00 KPI Reference 5 Mobility KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 5-3 Figure 5-3 Scenario B for intra-frequency inter-eNodeB HO 5.1.2 Definition The intra-frequency handover out success rate is defined in Table 5-1. Note that the HO attempts and the successful HO counters are collected based on the descriptions in Section 5.1.1 . Table 5-1 Intra-frequency handover out success rate KPI Name Intra-frequency Handover Out Success Rate Measurement Scope Cell / Cluster Formula %100_  tOOutAttempIntraFreqH sOOutSuccesIntraFreqH SROOutIntraFreqH Associated Counters See Chapter 11 Counter List. Unit Percentage (%) 5.2 Inter-frequency Handover Out Success Rate Similar to Intra-frequency Handover Out Success Rate, the target eNodeB and source eNodeB are at different frequencies.
  • 24. eNodeB V100R005C00 KPI Reference 5 Mobility KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 5-4 5.2.1 Description This KPI can be used to evaluate the inter-frequency handover out success rate in a cell or a cluster. Note that the measurement points for the associated counters are the same as those for the intra-frequency HO scenario described in 5.1.1 . The target LTE cell operates at the frequency different from that of the source LTE cell, which is the only difference. As shown in Figure 5-1, if the source and target cells at different frequencies are controlled by the same eNodeB, the eNodeB counts the number of intra-eNodeB inter-frequency HO attempts at point B and the successful intra-eNodeB inter-frequency HOs at point C in the source cell. As shown in Figure 5-2, if the handover source and target cells are at different frequencies, the eNodeB counts the number of inter-eNodeB inter-frequency HO attempts at point B and the successful intra-eNodeB inter-frequency HOs at point C in the source cell. 5.2.2 Definition The inter-frequency handover out success rate is defined in Table 5-2. Note that the HO attempts and the successful HO counters are collected based on the descriptions in Section 5.2.1 . Table 5-2 Inter-frequency handover out success rate KPI Name Inter-frequency Handover Out Success Rate Measurement Scope Cell / Cluster Formula %100_  tOOutAttempInterFreqH sOOutSuccesInterFreqH SROOutInterFreqH Associated Counters See Chapter 11 Counter List. Unit Percentage (%) 5.3 Handover In Success Rate 5.3.1 Description This KPI can be used to evaluate the handover in success rate in a cell or a cluster. The HO includes both inter-eNodeB and intra-eNodeB scenarios. To illustrate the KPI calculation, we briefly discuss how related counters (number of HO attempts and number of successful HOs) are collected. Intra-eNodeB HO scenario is shown in Figure 5-4. The HO attempt counters are collected at point B. When the eNodeB sends an RRCConnectionReconfiguration message to the UE, it decides to perform a HO. The eNodeB counts the number of intra-eNodeB handover attempts in the target cell. The success HO counter is collected at point C. The eNodeB counts the number of successful intra-eNodeB HOs in the target cell when the eNodeB receives an RRCConnectionReconfigurationComplete message from the UE.
  • 25. eNodeB V100R005C00 KPI Reference 5 Mobility KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 5-5 Figure 5-4 Intra-eNodeB HO Two scenarios are available for the inter-eNodeB HO, as shown in Figure 5-5 and Figure 5-6. The HO attempts are collected at point B in the target cell when the T-eNodeB sends a Handover Request Acknowledge message to the S-eNodeB or the MME. The number of successful inter-eNodeB HOs is measured in the target cell at point C when the T-eNodeB receives an RRCConnectionReconfigurationComplete message from the UE. Figure 5-5 Scenario A for Inter-eNodeB HO
  • 26. eNodeB V100R005C00 KPI Reference 5 Mobility KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 5-6 Figure 5-6 Scenario B for Inter-eNodeB HO 5.3.2 Definition The Handover in success rate is defined in Table 5-3. Note that the HO attempts and the successful HO counters are collected based on the descriptions in Section 5.3.1 . Table 5-3 Handover in success rate KPI Name Handover In Success Rate Measurement Scope Cell / Cluster Formula %100_  tHOInAttemp sHOInSucces SRHOIn Associated Counters See Chapter 11 Counter List. Unit Percentage (%) 5.4 Inter-RAT Handover Out Success Rate (LTE to CDMA) 5.4.1 Description This KPI can be used to evaluate the inter-RAT handover out success rate in a cell or a cluster. As suggested by the KPI name, this KPI measures the performance of the inter-RAT handover from LTE to CDMA. To illustrate the KPI calculation, we briefly discuss how the related
  • 27. eNodeB V100R005C00 KPI Reference 5 Mobility KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 5-7 counters (number of inter-RAT HO from LTE to CDMA attempts and number of successful inter-RAT HOs) are collected. As shown in Figure 5-7, the measurement for inter-RAT HO from LTE to CDMA attempt is collected at point B where the eNodeB sends a MobilityFromEUTRACommand message to the UE and decides to perform a handover to the CDMA system. The measurement of successful inter-RAT HO (from LTE to CDMA) is performed at point C where the UE sends a UE Context Release Command message to the eNodeB through the MME after accessing the CDMA system. Figure 5-7 Inter-RAT handover (LTE to CDMA) 5.4.2 Definition The inter-RAT handover out success rate (from LTE to CDMA) is defined in Table 5-4. Note that the inter-RAT HO attempts (from LTE to CDMA) and the successful inter-RAT HO (from LTE to CDMA) counters are collected based on the descriptions in Section 5.4.1 .
  • 28. eNodeB V100R005C00 KPI Reference 5 Mobility KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 5-8 Table 5-4 Inter-RAT handover out success rate (LTE to CDMA) KPI Name Inter-RAT Handover Out Success Rate (LTE to CDMA) Measurement Scope Cell / Cluster Formula %100 _2_ _2_ _2_  AttemptCLIRATHO SuccessCLIRATHO SRCLIRATHO Associated Counters See Chapter 11 Counter List. Unit Percentage (%) 5.5 Inter-RAT Handover Out Success Rate (LTE to WCDMA) 5.5.1 Description This KPI can be used to evaluate the inter-RAT handover out success rate in a cell or a cluster. As suggested by the name, this KPI measures the performance of the inter-RAT handover from LTE to WCDMA. To illustrate the KPI calculation, we briefly discuss how the related counters (number of inter-RAT HO (from LTE to WCDMA) attempts and number of successful inter-RAT HOs) are collected. As shown in Figure 5-8, the measurement for inter-RAT HO (LTE to WCDMA) attempt is collected at point B where the eNodeB sends a MobilityFromEUTRACommand message to the UE and decides to perform a handover to the WCDMA system. The measurement of successful inter-RAT HO (from LTE to WCDMA) is performed at point C where the UE sends a UE Context Release Command message to the eNodeB through the MME after accessing the WCDMA system.
  • 29. eNodeB V100R005C00 KPI Reference 5 Mobility KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 5-9 Figure 5-8 Inter-RAT handover (LTE to WCDMA) 5.5.2 Definition The inter-RAT Handover out success rate (LTE to WCDMA) is defined in Table 5-5. Note that the inter-RAT HO attempts (from LTE to WCDMA) and the successful inter-RAT HO (from LTE to WCDMA) counters are collected based on the descriptions in Section 5.5.1 . Table 5-5 Inter-RAT handover out success rate (LTE to WCDMA) KPI Name Inter-RAT Handover Out Success Rate (LTE to WCDMA) Measurement Scope Cell / Cluster Formula %100 _2_ _2_ _2_  AttemptWLIRATHO SuccessWLIRATHO SRWLIRATHO Associated Counters See Chapter 11 Counter List. Unit Percentage (%) 5.6 Inter-RAT Handover Out Success Rate (LTE to GSM) 5.6.1 Description This KPI can be used to evaluate the inter-RAT handover out success rate in a cell or a cluster. As suggested by the name, this KPI measures the performance of the inter-RAT handover from LTE to GSM. To illustrate the KPI calculation, we briefly discuss how related counters
  • 30. eNodeB V100R005C00 KPI Reference 5 Mobility KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 5-10 (number of inter-RAT HO (from LTE to GSM) attempts and number of successful inter-RAT HOs) are collected. As shown in Figure 5-8, the measurement for inter-RAT HO (LTE to GSM) attempt is collected at point B where the eNodeB sends a MobilityFromEUTRACommand message to the UE and decides to perform the handover to the GSM system. The measurement of successful inter-RAT HO (from LTE to GSM) is performed at point C where the UE sends a UE Context Release Command message to the eNodeB through the MME after accessing the GSM system. 5.6.2 Definition The inter-RAT Handover out success rate KPI (LTE to GSM) is defined in Table 5-6. Note that the inter-RAT HO attempts (from LTE to GSM) and the successful inter-RAT HO (LTE to GSM) counters are collected based on the descriptions in Section 5.6.1 . Table 5-6 Inter-RAT handover out success rate (LTE to GSM) KPI Name Inter-RAT Handover Out Success Rate (LTE to GSM) Measurement Scope Cell / Cluster Formula %100 _2_ _2_ _2_  AttemptGLIRATHO SuccessGLIRATHO SRGLIRATHO Associated Counters See Chapter 11 Counter List. Unit Percentage (%)
  • 31. eNodeB V100R005C00 KPI Reference 6 Service Integrity KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 6-1 6 Service Integrity KPIs The service integrity KPIs indicate the E-UTRAN impacts on the service quality provided to the end-user. The service integrity KPIs can be calculated per cell or per cluster. The KPIs at the cluster level can be calculated by aggregating all the cell counters. 6.1 Service Downlink Average Throughput 6.1.1 Description This KPI consists of nine sub-KPIs that are mapped to nine QCIs. These sub-KPIs can be used to evaluate the busy-hour downlink (DL) throughput of a service with a specific QCI per user in each cell. It reflects the end-user experience. 6.1.2 Definition The service downlink average throughput is defined in Table 6-1 and can refer to Reference [6] . There are nine different sub-KPIs for each QCI. The formulas for each KPI are mapped to corresponding counters.
  • 32. eNodeB V100R005C00 KPI Reference 6 Service Integrity KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 6-2 Table 6-1 Service DL average throughput KPI Name Service DL Average Throughput Measurement Scope Cell / Cluster Formula 1__QCIhroughputDLAverageT 2__QCIhroughputDLAverageT 3__QCIhroughputDLAverageT 4__QCIhroughputDLAverageT 5__QCIhroughputDLAverageT 6__QCIhroughputDLAverageT 7__QCIhroughputDLAverageT 8__QCIhroughputDLAverageT 9__QCIhroughputDLAverageT Associated Counters See Chapter 11 Counter List. Unit kbit/s 6.2 Service Uplink Average Throughput 6.2.1 Description This KPI consists of nine sub-KPIs that are mapped to nine QCIs. These sub-KPIs can be used to evaluate the busy hour uplink (UL) throughput of a service (with a specific QCI) per user in each cell. It reflects the end-user experience. 6.2.2 Definition The service uplink average throughput is defined in Table 6-2. There are nine sub-KPIs for each QCI. The formula for each KPI is mapped to its corresponding counter.
  • 33. eNodeB V100R005C00 KPI Reference 6 Service Integrity KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 6-3 Table 6-2 Service UL average throughput KPI Name Service UL Average Throughput Measurement Scope Cell / Cluster Formula 1__QCIhroughputULAverageT 2__QCIhroughputULAverageT 3__QCIhroughputULAverageT 4__QCIhroughputULAverageT 5__QCIhroughputULAverageT 6__QCIhroughputULAverageT 7__QCIhroughputULAverageT 8__QCIhroughputULAverageT 9__QCIhroughputULAverageT Associated Counters See Chapter 11 Counter List. Unit kbit/s 6.3 Cell Downlink Average Throughput 6.3.1 Description This KPI evaluates the cell downlink average throughput when there are data transferring at downlink. It reflects the cell capacity. 6.3.2 Definition The cell downlink average throughput is defined in Table 6-3, and is calculated based on all of the data which are transferred at downlink and the time used to transfer. The formula is mapped to corresponding counters.
  • 34. eNodeB V100R005C00 KPI Reference 6 Service Integrity KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 6-4 Table 6-3 Cell DL average throughput KPI Name Cell DL Average Throughput Measurement Scope Cell / Cluster Formula sferTimeCellDLTran ficVolumeCellDLTraf hpCellDLAveT  Associated Counters See Chapter 11 Counter List. Unit kbit/s 6.4 Cell Uplink Average Throughput 6.4.1 Description This KPI evaluates the cell uplink average throughput when there are data transferring at uplink. It reflects the cell capacity. 6.4.2 Definition The cell uplink average throughput is defined in Table 6-4, and is calculated based n all of the data which are transferred at uplink and the time used to transfer. The formula is mapped to corresponding counters. Table 6-4 Cell UL average throughput KPI Name Cell UL Average Throughput Measurement Scope Cell / Cluster Formula sferTimeCellULTran ficVolumeCellULTraf hpCellULAveT  Associated Counters See Chapter 11 Counter List. Unit kbit/s
  • 35. eNodeB V100R005C00 KPI Reference 6 Service Integrity KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 6-5 6.5 Cell Downlink Maximum Throughput 6.5.1 Description This KPI evaluates the cell downlink maximum throughput when there are data transferring at downlink. It reflects the cell capacity. 6.5.2 Definition The cell downlink maximum throughput is defined in Table 6-5, and is calculated based on maximum value of traffic volume which are transferred at each second. The formula is mapped to corresponding counters. Table 6-5 Cell DL maximum throughput KPI Name Cell DL Maximum Throughput Measurement Scope Cell / Cluster Formula )(1000 )(1 ms bitsmeforEachrafficVoluCellDLMaxT hpCellDLMaxT  Associated Counters See Chapter 11 Counter List. Unit kbit/s 6.6 Cell Uplink Maximum Throughput 6.6.1 Description This KPI evaluates the cell uplink maximum throughput when there are data transferring at uplink. It reflects the cell capacity. 6.6.2 Definition The cell uplink maximum throughput is defined in Table 6-6, and is calculated based on maximum value of traffic volume which are transferred at each second. The formula is mapped to corresponding counters.
  • 36. eNodeB V100R005C00 KPI Reference 6 Service Integrity KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 6-6 Table 6-6 Cell UL maximum throughput KPI Name Cell UL Maximum Throughput Measurement Scope Cell / Cluster Formula )(1000 )(1 ms bitsmeforEachrafficVoluCellULMaxT hpCellULMaxT  Associated Counters See Chapter 11 Counter List. Unit kbit/s
  • 37. eNodeB V100R005C00 KPI Reference 7 Utilization KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 7-1 7 Utilization KPIs Utilization KPIs are used to evaluate the capability to meet the traffic demand and other characteristics in specific internal conditions. 7.1 Resource Block Utilizing Rate 7.1.1 Description This KPI consists of two sub-KPIs: uplink resource block (RB) utilizing rate and downlink RB utilizing rate. These two sub-KPIs can be used to evaluate the busy-hour DL and UL RB utilizing rate in each cell or cluster. 7.1.2 Definition The UL and DL RB utilizing rate KPIs are defined in Table 7-1. These two KPIs are calculated by dividing the total number of used RBs by the number of available RBs.
  • 38. eNodeB V100R005C00 KPI Reference 7 Utilization KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 7-2 Table 7-1 RB utilizing rate KPI Name Resource Block Utilizing Rate Measurement Scope Cell / Cluster Formula %100 _ _ _ DL  DL DL AvailableRB UsedRB URRB %100 _ _ _ UL  UL UL AvailableRB UsedRB URRB NOTE The RB_AvailableDL and RB_AvailableUL are fixed values, which can be calculated through the system bandwidth. Associated Counters See Chapter 11 Counter List. Unit Percentage (%) 7.2 Average CPU Load 7.2.1 Description This KPI is used to evaluate the CPU usage in busy hours. It indicates the system loading. 7.2.2 Definition The average CPU load is defined in Table 7-2. The CPU load is calculated by averaging the CPU usage ratio in the measurement period. Table 7-2 Average CPU load KPI Name Average CPU Load Measurement Scope CPU Formula lityMeanCPUUti Associated Counters See Chapter 11 Counter List. Unit Percentage (%)
  • 39. eNodeB V100R005C00 KPI Reference 8 Availability KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 8-1 8 Availability KPIs Availability is the percentage of time that a cell is available. A cell is available when the eNodeB can provide EPS bearer services. Availability can be measured at the cell level for a variety of hardware/software faults. 8.1 Radio Network Unavailability Rate 8.1.1 Description This KPI provides the percentage of time of a cell in order to evaluate the degradation of the network performance caused by the unavailable cells in busy hours on the radio network. 8.1.2 Definition The radio network unavailability rate is defined in Table 8-1. This KPI is calculated based on the time of all cell service unavailability on the radio network (cluster). Table 8-1 Radio network unavailability rate KPI Name Radio Network Unavailability Rate Measurement Scope Radio network (cluster) Formula %100 60*}{* __   SPsInClustermberOfCellTheTotalNu lTimeCellUnavai RateUnavailRAN Cluster NOTE The "SP" indicates the report period of counters in minute. Associated Counters See Chapter 11 Counter List. Unit Percentage (%)
  • 40. eNodeB V100R005C00 KPI Reference 9 Traffic KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 9-1 9 Traffic KPIs Traffic KPIs are used to measure the traffic volume on the LTE Radio Access Network (RAN). Based on traffic types, the traffic KPIs are classified into the following categories: radio bearers, downlink traffic volume, and uplink traffic volume. 9.1 Radio Bearers 9.1.1 Description The radio bearers KPIs consist of ten sub-KPIs, one is for the total of radio bearers and the other nine are for nine QCIs. This set of KPIs can be used to evaluate the average radio bearers in a cell or a cluster. The radio bearer for each QCI is based on the number of active RRC connections for each QCI according to the QCI defined in the QoS information. 9.1.2 Definition The radio bearer KPIs are defined in Table 9-1, including ten different sub-KPIs. The formulas for each KPI are mapped to corresponding counters.
  • 41. eNodeB V100R005C00 KPI Reference 9 Traffic KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 9-2 Table 9-1 Radio bearers KPI Name Radio Bearers Measurement Scope Cell / Cluster Formula rsRadioBeare 1__QCIrsRadioBeare 2__QCIrsRadioBeare 3__QCIrsRadioBeare 4__QCIrsRadioBeare 5__QCIrsRadioBeare 6__QCIrsRadioBeare 7__QCIrsRadioBeare 8__QCIrsRadioBeare 9__QCIrsRadioBeare Associated Counters See Chapter 11 Counter List. 9.2 Downlink Traffic Volume 9.2.1 Description Similar to the radio bearers KPIs, the downlink traffic volume KPIs consist of ten sub-KPIs, one is for the total of traffic volume for DRBs and the other nine are for nine QCIs. This group of KPIs can be used to evaluate the DL traffic volume in a cell, which is measured at the PDCP layer excluding the PDCP header. 9.2.2 Definition The downlink traffic volume KPIs are defined in Table 9-2, including ten sub-KPIs . The formulas for each KPI are mapped to corresponding counters.
  • 42. eNodeB V100R005C00 KPI Reference 9 Traffic KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 9-3 Table 9-2 DL traffic volume KPI Name DL Traffic Volume Measurement Scope Cell / Cluster Formula olumeDLTrafficV 1__QCIolumeDLTrafficV 2__QCIolumeDLTrafficV 3__QCIolumeDLTrafficV 4__QCIolumeDLTrafficV 5__QCIolumeDLTrafficV 6__QCIolumeDLTrafficV 7__QCIolumeDLTrafficV 8__QCIolumeDLTrafficV 9__QCIolumeDLTrafficV Associated Counters See Chapter 11 Counter List. Unit Bit 9.3 Uplink Traffic Volume 9.3.1 Description Similar to the downlink traffic volume KPIs, the uplink traffic volume KPIs consist of ten sub-KPIs, one is for the total of traffic volume for DRBs and the other nine are for nine QCIs. This group of KPIs can be used to evaluate the uplink traffic volume in a cell. The KPIs are measured at the PDCP layer excluding the PDCP header. 9.3.2 Definition The uplink traffic volume KPIs are defined in Table 9-3, including ten sub-KPIs. The formulas for each KPI are mapped to corresponding counters.
  • 43. eNodeB V100R005C00 KPI Reference 9 Traffic KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 9-4 Table 9-3 UL traffic volume KPI Name UL Traffic Volume Measurement Scope Cell / Cluster Formula olumeULTrafficV 1__QCIolumeULTrafficV 2__QCIolumeULTrafficV 3__QCIolumeULTrafficV 4__QCIolumeULTrafficV 5__QCIolumeULTrafficV 6__QCIolumeULTrafficV 7__QCIolumeULTrafficV 8__QCIolumeULTrafficV 9__QCIolumeULTrafficV Associated Counters See Chapter 11 Counter List. Unit Bit 9.4 Average User Number 9.4.1 Description This KPI evaluate the average number of users which has the RRC connection in the cell. This value is calculated based on samples, eNodeB will record the user number in the cell to be a sample every second, and then calculate the average value of these samples in the measurement period. 9.4.2 Definition The average user number is defined in Table 9-4. The formula is mapped to corresponding counters.
  • 44. eNodeB V100R005C00 KPI Reference 9 Traffic KPIs Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 9-5 Table 9-4 Average User Number KPI Name Average User Number Measurement Scope Cell / Cluster Formula berAveUserNum Associated Counters See Chapter 11 Counter List. 9.5 Maximum User Number 9.5.1 Description This KPI evaluate the maximum number of users which has the RRC connection in the cell in a period. This value is calculated based on samples, eNodeB will record the user number in the cell to be a sample every second, and then get the maximum value of these samples in the measurement period. 9.5.2 Definition The maximum user number is defined in Table 9-5Table 9-4. The formula is mapped to corresponding counters. Table 9-5 Maximum User Number KPI Name Maximum User Number Measurement Scope Cell / Cluster Formula berMaxUserNum Associated Counters See Chapter 11 Counter List.
  • 45. eNodeB V100R005C00 KPI Reference 10 References Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 10-1 10 References [1] 3rd Generation Partnership Project (3GPP), "Evolved Universal Terrestrial Radio Access (E-UTRA), Radio Resource Control (RRC); Protocol Specification, (Release 8)", TS36.331 v8.3.0, September 2008. [2] 3rd Generation Partnership Project (3GPP), "Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2 (Release 8)", TS36.300 v8.6.0, September 2008. [3] 3rd Generation Partnership Project (3GPP), "Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 Application Protocol (S1AP) (Release 8)", TS36.413 v8.3.0, September 2008. [4] 3rd Generation Partnership Project (3GPP), "Technical Specification Group Services and System Aspects; General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access (Release 8)", TS23.401 v8.4.0, December 2008. [5] 3rd Generation Partnership Project (3GPP), "Technical Specification Group Services and System Aspects: Policy and charging control architecture (Release 8)", TS23.203 v8.3.1, September 2008. [6] eNodeB Performance Counter Reference.
  • 46. eNodeB V100R005C00 KPI Reference 11 Counter List Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 11-1 11 Counter List Table 11-1 provides a counter list including all counters relevant to the KPI calculation. In each KPI specification, one or several parameters are used to calculate the KPI as shown in the KPI formula. Each parameter is mapped to a counter. For details on each counter, see the Reference [6] . Note that only QCI 1 is for VoIP service (conversational voice). According to Table6.1.7 in Reference [5] , QCI 7 can also be assigned to non-conversational voice. In this document, QCI 7 is not considered as the VoIP service in the KPI calculation. Table 11-1 KPI-related counter list KPI Parameter in KPI Formula Mapped Counters (Described in the Reference [6]) RRC Setup Success Rate (Service) RRCConnectionAtte mptservice L.RRC.ConnReq.Att.Emc + L.RRC.ConnReq.Att.HighPri + L.RRC.ConnReq.Att.Mt + L.RRC.ConnReq.Att.MoData RRCConnectionSucc essservice L.RRC.ConnReq.Succ.Emc + L.RRC.ConnReq.Succ.HighPri + L.RRC.ConnReq.Succ.Mt + L.RRC.ConnReq.Succ.MoData RRC Setup Success Rate (Signaling) RRCConnectionAtte mptother L.RRC.ConnReq.Att.MoSig RRCCommectionSuc cessother L.RRC.ConnReq.Succ.MoSig ERAB Setup Success Rate (VoIP) VoIPERABSetupAtt empt L.E-RAB.AttEst.QCI.1 VoIPERABSetupSuc cess L.E-RAB.SuccEst.QCI.1 ERAB Setup Success Rate (All) ERABSetupAttempt L.E-RAB.AttEst ERABSetupSuccess L.E-RAB.SuccEst Call Drop Rate (VoIP) VoIPERABAbnorma lRelease L.E-RAB.AbnormRel.QCI.1
  • 47. eNodeB V100R005C00 KPI Reference 11 Counter List Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 11-2 KPI Parameter in KPI Formula Mapped Counters (Described in the Reference [6]) VoIPERABRelease L.E-RAB.AbnormRel.QCI.1 + L.E-RAB.NormRel.QCI.1 Service Drop Rate (ALL) ERABAbnromalRele ase L.E-RAB.AbnormRel ERABRelease L.E-RAB.AbnormRel + L.E-RAB.NormRel Intra-frequency Handover Out Success Rate IntraFreqHOOutAtte mpt L.HHO.IntraeNB.IntraFreq.ExecAttOut + L.HHO.IntereNB.IntraFreq.ExecAttOut IntraFreqHOOutSucc ess L.HHO.IntraeNB.IntraFreq.ExecSuccO ut + L.HHO.IntereNB.IntraFreq.ExecSuccO ut Inter-frequency Handover Out Success Rate InterFreqHOOutAtte mpt L.HHO.IntraeNB.InterFreq.ExecAttOut + L.HHO.IntereNB.InterFreq.ExecAttOut InterFreqHOOutSucc ess L.HHO.IntraeNB.InterFreq.ExecSuccO ut + L.HHO.IntereNB.InterFreq.ExecSuccO ut Handover In Success Rate HOInAttempt L.HHO.IntraeNB.ExecAttIn + L.HHO.IntereNB.ExecAttIn HOInSuccess L.HHO.IntraeNB.ExecSuccIn + L.HHO.IntereNB.ExecSuccIn Inter-RAT Handover Out Success Rate (LTE to CDMA) IRATHO_L2C_Atte mpt L.IRATHO.E2C.ExecAttOut IRATHO_L2C_Succ ess L.IRATHO.E2C.ExecSuccOut Inter-RAT Handover Out Success Rate (LTE to WCDMA) IRATHO_L2W_Atte mpt L.IRATHO.E2W.ExecAttOut IRATHO_L2W_Suc cess L.IRATHO.E2W.ExecSuccOut Inter-RAT Handover Out Success Rate (LTE to GSM) IRATHO_L2G_Atte mpt L.IRATHO.E2G.ExecAttOut IRATHO_L2G_Succ ess L.IRATHO.E2G.ExecSuccOut Service DL Average Throughput DLAverageThroughp ut_QCI_n L.Thrp.bits.DL.QCI.1 / L.Thrp.Time.DL.QCI.1
  • 48. eNodeB V100R005C00 KPI Reference 11 Counter List Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 11-3 KPI Parameter in KPI Formula Mapped Counters (Described in the Reference [6]) L.Thrp.bits.DL.QCI.2 / L.Thrp.Time.DL.QCI.2 L.Thrp.bits.DL.QCI.3 / L.Thrp.Time.DL.QCI.3 L.Thrp.bits.DL.QCI.4 / L.Thrp.Time.DL.QCI.4 L.Thrp.bits.DL.QCI.5 / L.Thrp.Time.DL.QCI.5 L.Thrp.bits.DL.QCI.6 / L.Thrp.Time.DL.QCI.6 L.Thrp.bits.DL.QCI.7 / L.Thrp.Time.DL.QCI.7 L.Thrp.bits.DL.QCI.8 / L.Thrp.Time.DL.QCI.8 L.Thrp.bits.DL.QCI.9 / L.Thrp.Time.DL.QCI.9 Service UL Average Throughput ULAverageThroughp ut_QCI_n L.Thrp.bits.UL.QCI.1 / L.Thrp.Time.UL.QCI.1 L.Thrp.bits.UL.QCI.2 / L.Thrp.Time.UL.QCI.2 L.Thrp.bits.UL.QCI.3 / L.Thrp.Time.UL.QCI.3 L.Thrp.bits.UL.QCI.4 / L.Thrp.Time.UL.QCI.4 L.Thrp.bits.UL.QCI.5 / L.Thrp.Time.UL.QCI.5 L.Thrp.bits.UL.QCI.6 / L.Thrp.Time.UL.QCI.6 L.Thrp.bits.UL.QCI.7 / L.Thrp.Time.UL.QCI.7 L.Thrp.bits.UL.QCI.8 / L.Thrp.Time.UL.QCI.8 L.Thrp.bits.UL.QCI.9 / L.Thrp.Time.UL.QCI.9 CellDLAveThp CellDLTrafficVolum e L.Thrp.bits.DL CellDLTransferTime L.Thrp.Time.Cell.DL * 1000
  • 49. eNodeB V100R005C00 KPI Reference 11 Counter List Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 11-4 KPI Parameter in KPI Formula Mapped Counters (Described in the Reference [6]) CellULAveThp CellULTrafficVolum e L.Thrp.bits.UL CellULTransferTime L.Thrp.Time.Cell.UL * 1000 CellDLMaxThp CellDLMaxTrafficV olumeforEach1s L.Thrp.bits.DL.Max CellULMaxThp CellULMaxTrafficV olumeforEach1s L.Thrp.bits.UL.Max Resource Block Utilizing Rate RB_UsedDL L.ChMeas.PRB.DL.Used.Avg RB_UsedUL L.ChMeas.PRB.UL.Used.Avg Average CPU Load MeanCPUUtility VS.Board.CPUload.Mean Radio Network Unavailability Rate CellUnavailTime L.Cell.Unavail.Dur.Sys + L.Cell.Unavail.Dur.Manual Radio Bearers RadioBearers L.Traffic.DRB RadioBearers_QCI_n L.Traffic.DRB.QCI.1 L.Traffic.DRB.QCI.2 L.Traffic.DRB.QCI.3 L.Traffic.DRB.QCI.4 L.Traffic.DRB.QCI.5 L.Traffic.DRB.QCI.6 L.Traffic.DRB.QCI.7 L.Traffic.DRB.QCI.8 L.Traffic.DRB.QCI.9 DL Traffic Volume DLTrafficVolume L.Thrp.bits.DL DLTrafficVolume_Q CI_n L.Thrp.bits.DL.QCI.1 L.Thrp.bits.DL.QCI.2 L.Thrp.bits.DL.QCI.3 L.Thrp.bits.DL.QCI.4 L.Thrp.bits.DL.QCI.5 L.Thrp.bits.DL.QCI.6 L.Thrp.bits.DL.QCI.7 L.Thrp.bits.DL.QCI.8 L.Thrp.bits.DL.QCI.9
  • 50. eNodeB V100R005C00 KPI Reference 11 Counter List Issue 01 (2012-03-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 11-5 KPI Parameter in KPI Formula Mapped Counters (Described in the Reference [6]) UL Traffic Volume ULTrafficVolume L.Thrp.bits.UL ULTrafficVolume_Q CI_n L.Thrp.bits.UL.QCI.1 L.Thrp.bits.UL.QCI.2 L.Thrp.bits.UL.QCI.3 L.Thrp.bits.UL.QCI.4 L.Thrp.bits.UL.QCI.5 L.Thrp.bits.UL.QCI.6 L.Thrp.bits.UL.QCI.7 L.Thrp.bits.UL.QCI.8 L.Thrp.bits.UL.QCI.9 Average User Number AveUserNumber L.Traffic.User.Avg Maximum User Number MaxUserNumber L.Traffic.User.Max