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3GPP TSG RAN Meeting #70 RP-152263
Sitges, Spain, Dec. 7 - 10, 2015 revision of RP-151792
Source: NTT DOCOMO, INC., Huawei, HiSilicon
Title: New WI proposal: Performance enhancements for high speed scenario
Document for: Approval
Agenda Item: XXX
3GPP™ Work Item Description
For guidance, see 3GPP Working Procedures, article 39; and 3GPP TR 21.900.
Comprehensive instructions can be found at http://www.3gpp.org/Work-Items
Title: Performance enhancements for high speed scenario
Acronym:
Unique identifier:
NOTE: If this is a RAN WID including Core and Perf. part, then Title, Acronym and Unique identifier refer to
the feature WI. Please tick (X) the applicable box(es) in the table below:
This WID includes a Core part X
This WID includes a Performance part X
1 3GPP Work Area
X Radio Access
Core Network
Services
2 Classification of WI and linked work items
2.0 Primary classification
This work item is a …
Study Item (go to 2.1)
Feature (go to 2.2)
X Building Block (go to 2.3)
Work Task (go to 2.4)
NOTE: Core, Performance and Testing parts of RAN WIs are usually Building Blocks.
If you are in doubt,please contact MCC.
2.1 Study Item
Related Work Item(s) (if any]
Unique ID Title Nature of relationship
Go to §3.
2.2 Feature
Related Study Item or Feature (if any)
Unique ID Title Nature of relationship
Go to §3.
2.3 Building Block
Parent Feature (or Study Item)
Unique ID Title TS
660071 Study on performance enhancements for high
speed scenario in LTE
TR36.878
This work item is …
Stage 1 (go to 2.3.1)
Stage 2 (go to 2.3.2)
Stage 3 (go to 2.3.3)
Test spec (go to 2.3.4)
X Other (go to 2.3.5)
2.3.1 Stage 1
Source of externalrequirements (if any)
Organization Document Remarks
Go to §3.
2.3.2 Stage 2
Corresponding stage 1 work item
Unique ID Title TS
Other source of stage 1 information
TS or CR(s) Clause Remarks
If no identified source of stage 1 information, justify:
Go to §3.
2.3.3 Stage 3
Corresponding stage 2 work item (if any)
Unique ID Title TS
Else, corresponding stage 1 work item
Unique ID Title TS
Other justification
TS or CR(s) or externaldocument Clause Remarks
If no identified source of stage 2 information, justify:
Go to §3.
2.3.4 Test spec
Related Work Item(s)
Unique ID Title TS
Go to §3.
2.3.5 Other
Related Work Item(s)
Unique ID Title Nature of relationship TS / TR
Go to §3.
2.4 Work task
Parent Building Block
Unique ID Title TS
3 Justification
As the outcome of Study on performance enhancements for high speed scenario in LTE, the followings were identified
for the existing high speed scenarios and the identified high speed scenarios:
 For RLM requirements under the existing scenarios,PDCCH performance difference between the existing high
speed scenarios and Rel-8 test channels shall be observed. Therefore new test cases of RLM under HST channel
shall be specified.
 For RLM requirements under the identified scenarios,PDCCH performance in SFN channel has degradation
compared with ETU70 in Rel-8, which implies the performance enhancement needs to be considered.
 For latency requirements under DRX configuration;
 In RRC idle state,the existing latency requirements under DRX configuration are not suitable for high speed
scenario;
 In RRC connected state,cell identification time and measurement period in long DRX (no less than 160ms) for
connected mode would result in performance degradation underhigh speed scenario.
 For UE demodulation requirements underthe identified scenarios, significant performance gap is observed under
350km/h and 30km/h in SFN scenario because of the impact of opposite Doppler shifts associated with separate
paths on the UE demodulation
 For BS demodulation requirements under the existing scenario, new PUSCH requirements under ETU600 shall be
specified.
 For PRACH requirements, the Doppler shift out of the range of [-1.25KHz, +1.25KHz] would cause the detection
ambiguity.
For each issue above,the candidate solutions were provided and captured in TR36.878.
4 Objective
4.1 Objective of SI or Core part WI or Testing part WI
Based on the candidate solutions captured in TR36.878, the work item is to specify the requirements for UE RRM, UE
demodulation and BS demodulation which were identified in SI stage. Target moving speed is at least 350km/h and at
most 750km/h, depending on candidate solution. Supporting more than 350km/h is only considered for the
unidirectional RRH arrangement and the frequency pre-compensation solution.
 Specify enhanced RRM requirements, under DRX configuration for idle mode in high speed scenarios.The
evaluation of the candidate solutions shall be carried out.(RAN4)
 Specify enhanced RRM requirements in long DRX (no less than 160ms) for connected mode. The evaluation of
the candidate solutions shall be carried out. (RAN4)
 Specify higher-layer signalling if the final solution introduces signalling in the above two bullets. (RAN2)
 Specify higher-layer assistance signalling for UEs complying with the enhanced downlink demodulation
performance requirements underthe high speed scenarios,if needed (RAN4, RAN2).
 The impact on RAN2 should be minimized.
 Enhance the RACH performance under the high speed scenario (RAN1).
 The impact on RAN1 should be minimized.
In order to complete the WI the requirements for at least 350 km/hr shall be developed.
4.2 Objective of Performance part WI
NOTE: Leave empty if the WI proposaldoes not contain a RAN performance part.
 Specify new test cases for enhanced RRM requirements in idle mode
 Specify new test cases for enhanced RRM requirements in DRX in connected mode based on the outcome of the
discussion ofcore requirements, if needed
 Specify RLM test cases for existing high speed scenarios based on the outcome of the discussion ofcore
requirements, if needed
 Specify RLM test cases underSFN channel with enhanced UE receiver based on the outcome of the discussion of
core requirements, if needed
 Receiver robustnessin other scenarios/channels should be considered.
 Specify the BS demodulation requirements under ETU600 for the existing high speed scenarios.
 Specify demodulation performance requirements for the downlink demodulation performance if needed,based on
the following three candidate solutions provided in SI, including advanced receiver in high speed scenarios,BS
frequency pre-compensation and Unidirectional SFN arrangement.
 Specify new CSI requirements considered for the final solutions to enhance the downlink demodulation
performance, if needed.
 For the requirements with advanced receiver in high speed scenarios, the other receiver solutions showing
comparable performance with the candidate solutions can be considered.
 Receiver robustnessin other scenarios/channels should be considered.
 Specify corresponding BS PRACH demodulation performance requirements for the new defined PRACH solution.
4.3 RAN time budgetproposal
NOTE: For WIs/SIs under RAN WG5 leadership this section is not filled out.Otherwise:
For a not yet approved WI/SI the rapporteur has to fill out the last row of the table(s) below up to the
target date of the WI/SI (if necessary add further tables): Indicate the number of time units (1 TU ~ 2h),
i.e. one value for each session/field.If no time unit is needed,leave the field empty.
For WI/SI already approved in the past,the tables below will no longer be updated in the WI/SI
description (i.e. the tables reflect the status ofthe initial approval). But changes can be proposed in the
status report of the WI/SI.
RAN #70 Q1/2016 RAN #71
R1L R1U R2L R2U R2J R3 R4RF
Core
R4RD
Core
R4RF
Perf
R4RD
Perf
84 84 93 93 93 91 78 78 78 78
0.5 0.5
RAN #71 Q2/2016 RAN #72
R1L R1U R2L R2U R2J R3 R4RF
Core
R4RD
Core
R4RF
Perf
R4RD
Perf
R1L R1U R2L R2U R2J R3 R4RF
Core
R4RD
Core
R4RF
Perf
R4RD
Perf
84bis 84bis 93bis 93bis 93bis 91bis 78bis 78bis 78bis 78bis 85 85 94 94 94 92 79 79 79 79
0.5 0.5 1 0.5
RAN #72 Q3/2016 RAN #73
R1L R1U R2L R2U R2J R3 R4RF
Core
R4RD
Core
R4RF
Perf
R4RD
Perf
86 86 95 95 95 93 80 80 80 80
0.25 0.5 1
RAN #73 Q4/2016 RAN #74
R1L R1U R2L R2U R2J R3 R4RF
Core
R4RD
Core
R4RF
Perf
R4RD
Perf
R1L R1U R2L R2U R2J R3 R4RF
Core
R4RD
Core
R4RF
Perf
R4RD
Perf
86bis 86bis 95bis 95bis 95bis 93bis 80bis 80bis 80bis 80bis 87 87 96 96 96 94 81 81 81 81
0.25 0.5 0.5 1 0.25 0.5 0.5 1
RAN #74 Q1/2017 RAN #75
R1L R1U R2L R2U R2J R3 R4RF
Core
R4RD
Core
R4RF
Perf
R4RD
Perf
84 84 93 93 93 91 78 78 78 78
1.5
RAN #75 Q2/2017 RAN #76
R1L R1U R2L R2U R2J R3 R4RF
Core
R4RD
Core
R4RF
Perf
R4RD
Perf
R1L R1U R2L R2U R2J R3 R4RF
Core
R4RD
Core
R4RF
Perf
R4RD
Perf
84bis 84bis 93bis 93bis 93bis 91bis 78bis 78bis 78bis 78bis 85 85 94 94 94 92 79 79 79 79
1.5 1.5
L: LTE, U: UMTS, J: Joint, RD: RRM/demodulation
NOTE: In case further explanation of the time budget proposalis needed, then please explain this below.
additional comments to the time budget proposal:
If the final solutions for enhanced latency requirements or enhanced downlink demodulation performance have an impact
on RAN1/2 specifications, then additional TUs for RAN1/2 will be requested.
5 Service Aspects
6 MMI-Aspects
7 Charging Aspects
8 Security Aspects
9 Impacts
Affects: UICC apps ME AN CN Others
Yes X X
No X X X
Don't know
10 Expected Output and Time scale
New specifications [If Study Item, one TR is anticipated]
Spec No. Title 1st rsp.
WG
2nd rsp.
WG(s)
Presented for
information at
plenary#
Approved at
plenary #
Comments
NOTE: If this is a RAN WID including Core and Perf. part, then all new Core part specs have to be listed first
and then all new Perf. part specs.Indicate "Core part" or "Perf. part" under Comments for each spec.
By default a new specs can only be new for one of both parts.
Affected existing specifications [None in the case of Study Items]
Spec No. CR Subject of the CR Approved at plenary#Comments
36.211 Evolved Universal
Terrestrial Radio Access
(E-UTRA); Physical
channels and modulation
RAN#74 Core part
36.331 Evolved Universal
Terrestrial Radio Access
(E-UTRA); Radio
Resource Control (RRC);
Protocol specification
RAN#74 Core part
36.133 Evolved Universal
Terrestrial Radio Access
(E-UTRA); Requirements
for supportof radio
resource management
RAN#74 Core. part
36.101 Evolved Universal
Terrestrial Radio Access
(E-UTRA); User
Equipment(UE) radio
transmission and
reception
RAN#76 Perf. Part
36.104 Evolved Universal
Terrestrial Radio Access
(E-UTRA); Base Station
(BS) radio transmission
and reception
RAN#76 Perf. part
36.133 Evolved Universal
Terrestrial Radio Access
(E-UTRA); Requirements
for supportof radio
resource management
RAN#76 Perf. part
NOTE: If this is a RAN WID including Core and Perf. part, then all new Core part specs have to be listed first
and then all new Perf. part specs.Indicate "Core part" or "Perf. part" under Comments for each spec.
If an existing spec is affected by both (Core part and Perf. part), then it has to be listed twice with
appropriate approval dates.
11 Work item rapporteur(s)
Name: Kunihiko Teshima
Company: NTT DOCOMO, INC.
Email: kunihiko.teshima.hg@nttdocomo.com
Name: Jing Han
Company: Huawei
Email: hw.hanjing@huawei.com.
12 Work item leadership
RAN WG4
NOTE: If this is a RAN WID including Core and Perf. part, then this WG specifies the WG leading the Core part.
RAN WG4 is by default leading the Perf. part.
13 Supporting Individual Members
Supporting IM name
Acorn Technologies
Alcatel-Lucent
Alcatel-LucentShanghai Bell
ATR
CATR
CATT
China Telecom
CHTTL
China Unicom
CMCC
ETRI
Ericsson
HiSilicon
Huawei
ITRI
KDDI
KT
MediaTek Inc.
Mitsubishi Electric Co.
NEC
NTT
NTT DOCOMO, INC.
Potevio
SK Telecom
Sumitomo Elec.Industries,Ltd
TELECOM ITALIA
Telefonica
Telstra

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Emerson Eduardo Rodrigues - ENGINEERING STUDIES1 Rp 152263 v6 with change history1 new wi proposal performance enhancements for high speed scenario

  • 1. 3GPP TSG RAN Meeting #70 RP-152263 Sitges, Spain, Dec. 7 - 10, 2015 revision of RP-151792 Source: NTT DOCOMO, INC., Huawei, HiSilicon Title: New WI proposal: Performance enhancements for high speed scenario Document for: Approval Agenda Item: XXX 3GPP™ Work Item Description For guidance, see 3GPP Working Procedures, article 39; and 3GPP TR 21.900. Comprehensive instructions can be found at http://www.3gpp.org/Work-Items Title: Performance enhancements for high speed scenario Acronym: Unique identifier: NOTE: If this is a RAN WID including Core and Perf. part, then Title, Acronym and Unique identifier refer to the feature WI. Please tick (X) the applicable box(es) in the table below: This WID includes a Core part X This WID includes a Performance part X 1 3GPP Work Area X Radio Access Core Network Services 2 Classification of WI and linked work items 2.0 Primary classification This work item is a … Study Item (go to 2.1) Feature (go to 2.2) X Building Block (go to 2.3) Work Task (go to 2.4) NOTE: Core, Performance and Testing parts of RAN WIs are usually Building Blocks. If you are in doubt,please contact MCC. 2.1 Study Item Related Work Item(s) (if any] Unique ID Title Nature of relationship Go to §3.
  • 2. 2.2 Feature Related Study Item or Feature (if any) Unique ID Title Nature of relationship Go to §3. 2.3 Building Block Parent Feature (or Study Item) Unique ID Title TS 660071 Study on performance enhancements for high speed scenario in LTE TR36.878 This work item is … Stage 1 (go to 2.3.1) Stage 2 (go to 2.3.2) Stage 3 (go to 2.3.3) Test spec (go to 2.3.4) X Other (go to 2.3.5) 2.3.1 Stage 1 Source of externalrequirements (if any) Organization Document Remarks Go to §3. 2.3.2 Stage 2 Corresponding stage 1 work item Unique ID Title TS Other source of stage 1 information TS or CR(s) Clause Remarks If no identified source of stage 1 information, justify: Go to §3. 2.3.3 Stage 3 Corresponding stage 2 work item (if any) Unique ID Title TS Else, corresponding stage 1 work item Unique ID Title TS
  • 3. Other justification TS or CR(s) or externaldocument Clause Remarks If no identified source of stage 2 information, justify: Go to §3. 2.3.4 Test spec Related Work Item(s) Unique ID Title TS Go to §3. 2.3.5 Other Related Work Item(s) Unique ID Title Nature of relationship TS / TR Go to §3. 2.4 Work task Parent Building Block Unique ID Title TS 3 Justification As the outcome of Study on performance enhancements for high speed scenario in LTE, the followings were identified for the existing high speed scenarios and the identified high speed scenarios:  For RLM requirements under the existing scenarios,PDCCH performance difference between the existing high speed scenarios and Rel-8 test channels shall be observed. Therefore new test cases of RLM under HST channel shall be specified.  For RLM requirements under the identified scenarios,PDCCH performance in SFN channel has degradation compared with ETU70 in Rel-8, which implies the performance enhancement needs to be considered.  For latency requirements under DRX configuration;  In RRC idle state,the existing latency requirements under DRX configuration are not suitable for high speed scenario;  In RRC connected state,cell identification time and measurement period in long DRX (no less than 160ms) for connected mode would result in performance degradation underhigh speed scenario.  For UE demodulation requirements underthe identified scenarios, significant performance gap is observed under 350km/h and 30km/h in SFN scenario because of the impact of opposite Doppler shifts associated with separate paths on the UE demodulation  For BS demodulation requirements under the existing scenario, new PUSCH requirements under ETU600 shall be specified.  For PRACH requirements, the Doppler shift out of the range of [-1.25KHz, +1.25KHz] would cause the detection ambiguity. For each issue above,the candidate solutions were provided and captured in TR36.878. 4 Objective 4.1 Objective of SI or Core part WI or Testing part WI Based on the candidate solutions captured in TR36.878, the work item is to specify the requirements for UE RRM, UE demodulation and BS demodulation which were identified in SI stage. Target moving speed is at least 350km/h and at
  • 4. most 750km/h, depending on candidate solution. Supporting more than 350km/h is only considered for the unidirectional RRH arrangement and the frequency pre-compensation solution.  Specify enhanced RRM requirements, under DRX configuration for idle mode in high speed scenarios.The evaluation of the candidate solutions shall be carried out.(RAN4)  Specify enhanced RRM requirements in long DRX (no less than 160ms) for connected mode. The evaluation of the candidate solutions shall be carried out. (RAN4)  Specify higher-layer signalling if the final solution introduces signalling in the above two bullets. (RAN2)  Specify higher-layer assistance signalling for UEs complying with the enhanced downlink demodulation performance requirements underthe high speed scenarios,if needed (RAN4, RAN2).  The impact on RAN2 should be minimized.  Enhance the RACH performance under the high speed scenario (RAN1).  The impact on RAN1 should be minimized. In order to complete the WI the requirements for at least 350 km/hr shall be developed. 4.2 Objective of Performance part WI NOTE: Leave empty if the WI proposaldoes not contain a RAN performance part.  Specify new test cases for enhanced RRM requirements in idle mode  Specify new test cases for enhanced RRM requirements in DRX in connected mode based on the outcome of the discussion ofcore requirements, if needed  Specify RLM test cases for existing high speed scenarios based on the outcome of the discussion ofcore requirements, if needed  Specify RLM test cases underSFN channel with enhanced UE receiver based on the outcome of the discussion of core requirements, if needed  Receiver robustnessin other scenarios/channels should be considered.  Specify the BS demodulation requirements under ETU600 for the existing high speed scenarios.  Specify demodulation performance requirements for the downlink demodulation performance if needed,based on the following three candidate solutions provided in SI, including advanced receiver in high speed scenarios,BS frequency pre-compensation and Unidirectional SFN arrangement.  Specify new CSI requirements considered for the final solutions to enhance the downlink demodulation performance, if needed.  For the requirements with advanced receiver in high speed scenarios, the other receiver solutions showing comparable performance with the candidate solutions can be considered.  Receiver robustnessin other scenarios/channels should be considered.  Specify corresponding BS PRACH demodulation performance requirements for the new defined PRACH solution.
  • 5. 4.3 RAN time budgetproposal NOTE: For WIs/SIs under RAN WG5 leadership this section is not filled out.Otherwise: For a not yet approved WI/SI the rapporteur has to fill out the last row of the table(s) below up to the target date of the WI/SI (if necessary add further tables): Indicate the number of time units (1 TU ~ 2h), i.e. one value for each session/field.If no time unit is needed,leave the field empty. For WI/SI already approved in the past,the tables below will no longer be updated in the WI/SI description (i.e. the tables reflect the status ofthe initial approval). But changes can be proposed in the status report of the WI/SI. RAN #70 Q1/2016 RAN #71 R1L R1U R2L R2U R2J R3 R4RF Core R4RD Core R4RF Perf R4RD Perf 84 84 93 93 93 91 78 78 78 78 0.5 0.5 RAN #71 Q2/2016 RAN #72 R1L R1U R2L R2U R2J R3 R4RF Core R4RD Core R4RF Perf R4RD Perf R1L R1U R2L R2U R2J R3 R4RF Core R4RD Core R4RF Perf R4RD Perf 84bis 84bis 93bis 93bis 93bis 91bis 78bis 78bis 78bis 78bis 85 85 94 94 94 92 79 79 79 79 0.5 0.5 1 0.5 RAN #72 Q3/2016 RAN #73 R1L R1U R2L R2U R2J R3 R4RF Core R4RD Core R4RF Perf R4RD Perf 86 86 95 95 95 93 80 80 80 80 0.25 0.5 1 RAN #73 Q4/2016 RAN #74 R1L R1U R2L R2U R2J R3 R4RF Core R4RD Core R4RF Perf R4RD Perf R1L R1U R2L R2U R2J R3 R4RF Core R4RD Core R4RF Perf R4RD Perf 86bis 86bis 95bis 95bis 95bis 93bis 80bis 80bis 80bis 80bis 87 87 96 96 96 94 81 81 81 81 0.25 0.5 0.5 1 0.25 0.5 0.5 1 RAN #74 Q1/2017 RAN #75 R1L R1U R2L R2U R2J R3 R4RF Core R4RD Core R4RF Perf R4RD Perf 84 84 93 93 93 91 78 78 78 78 1.5 RAN #75 Q2/2017 RAN #76 R1L R1U R2L R2U R2J R3 R4RF Core R4RD Core R4RF Perf R4RD Perf R1L R1U R2L R2U R2J R3 R4RF Core R4RD Core R4RF Perf R4RD Perf 84bis 84bis 93bis 93bis 93bis 91bis 78bis 78bis 78bis 78bis 85 85 94 94 94 92 79 79 79 79 1.5 1.5 L: LTE, U: UMTS, J: Joint, RD: RRM/demodulation NOTE: In case further explanation of the time budget proposalis needed, then please explain this below. additional comments to the time budget proposal: If the final solutions for enhanced latency requirements or enhanced downlink demodulation performance have an impact on RAN1/2 specifications, then additional TUs for RAN1/2 will be requested. 5 Service Aspects 6 MMI-Aspects
  • 6. 7 Charging Aspects 8 Security Aspects 9 Impacts Affects: UICC apps ME AN CN Others Yes X X No X X X Don't know 10 Expected Output and Time scale New specifications [If Study Item, one TR is anticipated] Spec No. Title 1st rsp. WG 2nd rsp. WG(s) Presented for information at plenary# Approved at plenary # Comments NOTE: If this is a RAN WID including Core and Perf. part, then all new Core part specs have to be listed first and then all new Perf. part specs.Indicate "Core part" or "Perf. part" under Comments for each spec. By default a new specs can only be new for one of both parts. Affected existing specifications [None in the case of Study Items] Spec No. CR Subject of the CR Approved at plenary#Comments 36.211 Evolved Universal Terrestrial Radio Access (E-UTRA); Physical channels and modulation RAN#74 Core part 36.331 Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification RAN#74 Core part 36.133 Evolved Universal Terrestrial Radio Access (E-UTRA); Requirements for supportof radio resource management RAN#74 Core. part 36.101 Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment(UE) radio transmission and reception RAN#76 Perf. Part 36.104 Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station (BS) radio transmission and reception RAN#76 Perf. part 36.133 Evolved Universal Terrestrial Radio Access (E-UTRA); Requirements for supportof radio resource management RAN#76 Perf. part NOTE: If this is a RAN WID including Core and Perf. part, then all new Core part specs have to be listed first and then all new Perf. part specs.Indicate "Core part" or "Perf. part" under Comments for each spec. If an existing spec is affected by both (Core part and Perf. part), then it has to be listed twice with appropriate approval dates.
  • 7. 11 Work item rapporteur(s) Name: Kunihiko Teshima Company: NTT DOCOMO, INC. Email: kunihiko.teshima.hg@nttdocomo.com Name: Jing Han Company: Huawei Email: hw.hanjing@huawei.com. 12 Work item leadership RAN WG4 NOTE: If this is a RAN WID including Core and Perf. part, then this WG specifies the WG leading the Core part. RAN WG4 is by default leading the Perf. part. 13 Supporting Individual Members Supporting IM name Acorn Technologies Alcatel-Lucent Alcatel-LucentShanghai Bell ATR CATR CATT China Telecom CHTTL China Unicom CMCC ETRI Ericsson HiSilicon Huawei ITRI KDDI KT MediaTek Inc. Mitsubishi Electric Co. NEC NTT NTT DOCOMO, INC. Potevio SK Telecom Sumitomo Elec.Industries,Ltd TELECOM ITALIA Telefonica Telstra