The document summarizes key System Information Blocks (SIBs) in LTE. SIB1 contains cell access parameters and scheduling of other SIBs. SIB2 contains radio resource configuration information. SIB3 contains cell reselection parameters for intra-frequency, inter-frequency, and inter-RAT cells. SIBs 4-7 provide additional cell reselection parameters. SIB10-12 contain emergency alerting information for ETWS and CMAS notifications. The SIBs convey important cell and network configuration parameters to help user equipment access the network and perform functions like cell reselection.
SIBs in LTE carry important system information that allows user equipment to access cells, perform cell reselection, and obtain information about neighboring intra-frequency, inter-frequency, and inter-RAT cells. There are 13 standardized SIB types in LTE, and SIB1 contains scheduling information for the other SIBs. SIB1 is transmitted every 80ms on the broadcast control channel, while the scheduling information it provides allows UE to determine the transmission timing of other SIBs, such as SIB2-SIB13, on the downlink shared channel.
The document discusses various behaviors of user equipment (UE) in idle mode, including:
1. PLMN selection, system information reception, cell selection and reselection, location registration, paging procedure, and access procedure.
2. Key aspects covered include criteria for cell selection, cell reselection, and measurement start; parameters for location registration; structures for system information and paging types; and the discontinuous reception procedure.
3. The document provides detailed explanations, parameters, and formulas for UE behaviors in idle mode according to 3GPP specifications.
- The document discusses concepts related to mobility management in cellular networks including location areas, tracking areas, UE procedures from power on to being attached to the network, procedures in idle and active modes, and handover.
- It describes the protocol stack in LTE including the RRC states of idle and connected, and provides terminology used in 3GPP including PLMN, IMSI, IMEI, camping on a cell, and attaching to the network.
- It explains cell selection and reselection criteria where the UE ranks cells based on measurements of signal strength and quality and selects the highest ranked cell meeting the criteria.
The document describes the Master Information Block (MIB) and System Information Blocks (SIBs) in 5G NR networks. It provides details on the contents and purpose of the MIB, SIB1, SIB2, SIB3, SIB4 and SystemInformation message. These messages contain essential system information for cell selection and access procedures in 5G networks.
5G NR system information provides essential network information to user equipment (UE) to access the network. It is classified into minimum system information (MSI), remaining minimum system information (RMSI), and other system information (OSI). MSI includes the master information block (MIB) and RMSI contains system information block 1 (SIB1). SIBs 2 through 9 provide additional information on cell selection, reselection parameters, and emergency alerts. The MIB and SIB1 are transmitted via dedicated physical channels while other SIBs are transmitted via a generic radio resource control message.
The document discusses key aspects of synchronization signal blocks (SSBs) in 5G NR, including:
1) An SSB consists of PSS, SSS and PBCH which enable cell search and detection of physical layer cell ID.
2) SSBs are transmitted periodically with configurable periodicities and occupy 4 OFDM symbols in the time domain.
3) In the frequency domain, SSBs are transmitted on synchronization rasters called GSCNs which have wider steps than LTE to facilitate faster cell search.
1. The LTE initial access procedure involves cell search, cell selection, derivation of system information, and random access. This allows the UE to access the network and receive or transmit data.
2. The UE scans channels to measure RSSI, decodes synchronization signals to identify candidate cells, and decodes MIB and SIB to obtain cell information like frequency, PCI, and PLMN.
3. The UE then selects a suitable cell based on criteria like sufficient signal strength and matching PLMN, and performs random access to begin communication with the network.
All GSM base stations continuously broadcast system information messages containing parameters needed for mobile phones to access the network. This information includes details on neighboring cells, frequency allocations, access restrictions and more. It is transmitted using specific message types that are sent on dedicated control channels and contain various information elements. The document then describes the structure and contents of these system information messages and their information elements in detail.
SIBs in LTE carry important system information that allows user equipment to access cells, perform cell reselection, and obtain information about neighboring intra-frequency, inter-frequency, and inter-RAT cells. There are 13 standardized SIB types in LTE, and SIB1 contains scheduling information for the other SIBs. SIB1 is transmitted every 80ms on the broadcast control channel, while the scheduling information it provides allows UE to determine the transmission timing of other SIBs, such as SIB2-SIB13, on the downlink shared channel.
The document discusses various behaviors of user equipment (UE) in idle mode, including:
1. PLMN selection, system information reception, cell selection and reselection, location registration, paging procedure, and access procedure.
2. Key aspects covered include criteria for cell selection, cell reselection, and measurement start; parameters for location registration; structures for system information and paging types; and the discontinuous reception procedure.
3. The document provides detailed explanations, parameters, and formulas for UE behaviors in idle mode according to 3GPP specifications.
- The document discusses concepts related to mobility management in cellular networks including location areas, tracking areas, UE procedures from power on to being attached to the network, procedures in idle and active modes, and handover.
- It describes the protocol stack in LTE including the RRC states of idle and connected, and provides terminology used in 3GPP including PLMN, IMSI, IMEI, camping on a cell, and attaching to the network.
- It explains cell selection and reselection criteria where the UE ranks cells based on measurements of signal strength and quality and selects the highest ranked cell meeting the criteria.
The document describes the Master Information Block (MIB) and System Information Blocks (SIBs) in 5G NR networks. It provides details on the contents and purpose of the MIB, SIB1, SIB2, SIB3, SIB4 and SystemInformation message. These messages contain essential system information for cell selection and access procedures in 5G networks.
5G NR system information provides essential network information to user equipment (UE) to access the network. It is classified into minimum system information (MSI), remaining minimum system information (RMSI), and other system information (OSI). MSI includes the master information block (MIB) and RMSI contains system information block 1 (SIB1). SIBs 2 through 9 provide additional information on cell selection, reselection parameters, and emergency alerts. The MIB and SIB1 are transmitted via dedicated physical channels while other SIBs are transmitted via a generic radio resource control message.
The document discusses key aspects of synchronization signal blocks (SSBs) in 5G NR, including:
1) An SSB consists of PSS, SSS and PBCH which enable cell search and detection of physical layer cell ID.
2) SSBs are transmitted periodically with configurable periodicities and occupy 4 OFDM symbols in the time domain.
3) In the frequency domain, SSBs are transmitted on synchronization rasters called GSCNs which have wider steps than LTE to facilitate faster cell search.
1. The LTE initial access procedure involves cell search, cell selection, derivation of system information, and random access. This allows the UE to access the network and receive or transmit data.
2. The UE scans channels to measure RSSI, decodes synchronization signals to identify candidate cells, and decodes MIB and SIB to obtain cell information like frequency, PCI, and PLMN.
3. The UE then selects a suitable cell based on criteria like sufficient signal strength and matching PLMN, and performs random access to begin communication with the network.
All GSM base stations continuously broadcast system information messages containing parameters needed for mobile phones to access the network. This information includes details on neighboring cells, frequency allocations, access restrictions and more. It is transmitted using specific message types that are sent on dedicated control channels and contain various information elements. The document then describes the structure and contents of these system information messages and their information elements in detail.
System information messages contain data about the mobile network that mobile stations need to communicate with the network. There are 12 different types of system information messages that provide information like cell channel descriptions, neighboring cell information, location area identities, and parameters for random access channel control. These messages are continuously broadcast on common control channels to both idle and active mobile stations.
The document discusses LTE mobility optimization. It describes the two principal parts of LTE mobility: RRC_Idle mode where UEs perform cell reselection, and RRC_Connected mode where UEs perform handovers between cells. The focus is on mobility optimization when UEs are in connected mode. Both modes can trigger intra-LTE mobility between eNBs or inter-LTE mobility such as handovers to 3G/2G networks. Handover contains measurement and reporting, preparation, and execution phases, and fine-tuning measurement parameters can help avoid issues like ping-ponging.
This documents will help to understand the details procedure of GSM IDLE Mode Behavior. GSM Idle mode behavior starting from PLMN selection, GSM Cell Camp, Cell Selection, Cell Reselection, Location Update, Paging, System Information to Measurements procedures have been captured in this document.
This document summarizes LTE mobile measurement events and timers used for reporting. It describes the primary and secondary cell definitions and lists the common measurement events A1-A6 and B1-B2. It also outlines various UE timers used for connection establishment, reestablishment, measurement reporting and cell reselection.
The document discusses PCI (Physical Cell Identity) planning in LTE networks. It describes the cell search process where the UE detects the PCI from the PSS and SSS. The PCI is used to determine the location of reference signals and avoid interference. The document recommends strategies for PCI planning such as assigning color groups to sectors and code groups to sites to avoid conflicting PCI combinations in adjacent cells. It also discusses tools to analyze potential PCI interference and make changes to mitigate issues.
The document summarizes LTE procedures including cell search, cell selection, cell re-selection, tracking area updates, paging, random access channel procedure, mobility handovers between X2 and S1, and handover events. The cell search procedure detects downlink synchronization using two channels, the primary and secondary synchronization channels, which are always located in the center of the available spectrum. The random access channel procedure involves the UE sending preambles, receiving a response indicating resources to use for signaling and data transmission on an uplink channel.
The document summarizes power management techniques for 4G mobile broadband networks. It describes mechanisms like idle mode and discontinuous reception (DRX) that allow devices to save power by turning off parts of the device when not actively transmitting or receiving data. It discusses implementations of these mechanisms in LTE and WiMAX standards and challenges in balancing power savings with user experience. It also covers how new diverse data applications require further enhancements to efficiently support their different traffic profiles and signaling overhead.
This document discusses cell selection and reselection in GSM networks. It explains:
1) Cell selection is performed when a mobile first turns on to select an initial "camped-on" cell. Reselection occurs when the mobile moves to ensure it remains on the best cell.
2) C1 and C2 criteria are used for selection and reselection. C1 compares signal levels and C2 adds offsets.
3) In the scenario, the mobile selects the 900MHz cell using C1/C2 criteria. To prefer the 1800MHz cell instead, the document suggests using the C2 formula without offsets by setting the penalty time lower.
The document discusses the challenges of troubleshooting problems that occur before any signaling messages are sent, using the example of a UE that gets stuck at "Searching Network...". It explains that to troubleshoot such issues, one needs in-depth knowledge of the physical layer procedures for initial access, including the Random Access Channel (RACH) process, as well as equipment that can monitor physical layer signaling. It then provides details on the RACH process for LTE, including when it occurs, the contention-based vs. contention-free approaches, preamble structure, and timing of preamble transmission and response.
Training material umts cell selection and reselectiontositoru
This document summarizes the key aspects of UMTS cell selection and reselection. It describes the processes the UE goes through for PLMN selection, initial cell selection when no cell information is stored, and cell reselection when camped on a cell. It provides details on the cell selection criteria and parameters like Qqualmin, Qrxlevmin, DeltaQrxlevmin, and MaxRACHTxPwr that determine if a cell is suitable or acceptable.
The document discusses Radio Resource Control (RRC) in UMTS, including RRC states, functions, and procedures. It describes the four RRC states - CELL_DCH, CELL_FACH, CELL_PCH, and URA_PCH. CELL_DCH has a dedicated channel allocated, while the others do not. CELL_FACH continuously monitors a common channel. CELL_PCH and URA_PCH use discontinuous reception on a paging channel. URA_PCH location is known on the UTRAN registration area level. The document also answers questions about RRC, including differentiating RRC states, conditions for CELL_FACH
This document provides a quick introduction to the Sage Instruments UCTT (Universal Cellular Test Tool), which is a portable vector signal analyzer for testing wireless communication signals. It summarizes the main features of the UCTT, which include spectrum analysis, signal location, cable and antenna testing, analysis of 2G, 3G, and 4G communication signals, and remote operation via software. The UCTT allows testing of things like spectrum coverage, adjacent channel power, signal quality, and can locate faults in cables connecting antennas. It also provides visualizations of test results and real-time recordings of signals.
The document describes the initialization and setup procedures between a Node B, RNC, and core network nodes in a UMTS network. It includes procedures for Node B initialization like the audit procedure, cell setup procedure, and common transport channel setup procedure. It also covers call flow scenarios for RRC connection establishment, location updates, circuit switched call setup, and handovers between nodes. The end-to-end protocol stacks for the circuit switched and packet switched domains are illustrated as well.
Fast detection of number of antenna ports in lte systemeSAT Journals
Abstract
In LTE system, during initial cell selection UE is unaware about the number of antennas used by eNB for transmission. So, UE blindly tries multiple times to detect the right number of antennas used for transmission in the system. This wastes lot of time and UE processing power, as UE needs to do channel estimation, equalization/demodulation, decoding process multiple times with assumption of 1 or 2 and 4 antenna ports each time.
The objective of this paper is to find out a faster and efficient method for detecting the number of antenna ports used by the eNB for signal transmission. A new method is explored for detecting the number of eNB transmit antennas before starting PBCH decoding and CRC checking by exploiting the presence of downlink reference signals at various Resource Element (RE) positions in the Resource Blocks (RB) and using the PBCH SFBC data patterns. This helps for faster detection of number of antennas used for transmission that in turn helps to reduce the UE power consumption as well as reduces the initial cell search time.
Keywords: UE- User Equipment, LTE- Long-Term Evolution, eNB- evolved Node B, RAT- Radio Access Technology, PBCH- Physical Broadcast Channel, SFBC- Space Frequency Block Codes, DL – Down Link.
The document summarizes the process of AMR call establishment between a UE and core network. Key steps include:
1. The UE searches for cells, synchronizes with the radio frame, and reads system information from the BCCH logical channel.
2. If the cell passes the UE's cell selection criteria, it establishes an RRC connection and registers with the core network.
3. Having registered, the UE can originate an AMR speech call, which may involve handovers between cells as needed.
4. The AMR call is eventually released, and the UE returns to the idle mode state.
This document discusses L3 messages and system information messages in GSM networks. L3 messages are used for controlling mobile station behavior in idle and dedicated modes and for location updates. System information messages are downlink messages sent on the BCCH or SACCH channels to provide mobile stations with needed network information like cell parameters and neighbor cell lists. Examples of system information messages and their contents are provided.
The document discusses the random access channel (RACH) procedure in LTE networks. It covers:
1) The RACH procedure is used for initial access and synchronization between the UE and network. The physical random access channel (PRACH) is used to perform the initial access.
2) The RACH procedure is performed in scenarios like initial access, re-establishment, handover, and when uplink synchronization is lost.
3) The document provides details on the different steps of the contention-based and non-contention based RACH procedures.
The document discusses various topics related to UMTS interview questions. It describes the different Radio Resource Control (RRC) states a UE can be in, including Cell_DCH, Cell_FACH, Cell_PCH, and URA_PCH. It explains the characteristics and examples of each state. The document also covers cell search procedure, radio bearer configuration mappings, types of handovers, types of measurements, and the purpose of paging in mobile networks.
- SIBs contain important system information that UEs need to access the cell. SIB1 schedules the transmission of other SIBs.
- The types of SIBs include SIB1 to SIB13, with each SIB containing different parameters like cell access restrictions, neighbor cell info, etc.
- UEs obtain SIB1 in every system information block to learn the scheduling of other SIBs, which are transmitted less frequently in other SI messages. This allows UEs to acquire the key system information needed to access the cell.
lte-enodeb-s1-startup-sib-rrc-connection.pdfJunaid Alam
The document summarizes the sequence of events for an eNodeB performing an S1 setup with the EPC and then initiating broadcasts of system information blocks (SIBs) to UEs. It shows the eNodeB sending the RRC Connection Setup message containing UE specific configuration information. The eNodeB first establishes an S1 connection with the MME and then broadcasts the master information block and various SIBs. It then facilitates the random access procedure and sends the RRC Connection Setup message to the UE.
System information messages contain data about the mobile network that mobile stations need to communicate with the network. There are 12 different types of system information messages that provide information like cell channel descriptions, neighboring cell information, location area identities, and parameters for random access channel control. These messages are continuously broadcast on common control channels to both idle and active mobile stations.
The document discusses LTE mobility optimization. It describes the two principal parts of LTE mobility: RRC_Idle mode where UEs perform cell reselection, and RRC_Connected mode where UEs perform handovers between cells. The focus is on mobility optimization when UEs are in connected mode. Both modes can trigger intra-LTE mobility between eNBs or inter-LTE mobility such as handovers to 3G/2G networks. Handover contains measurement and reporting, preparation, and execution phases, and fine-tuning measurement parameters can help avoid issues like ping-ponging.
This documents will help to understand the details procedure of GSM IDLE Mode Behavior. GSM Idle mode behavior starting from PLMN selection, GSM Cell Camp, Cell Selection, Cell Reselection, Location Update, Paging, System Information to Measurements procedures have been captured in this document.
This document summarizes LTE mobile measurement events and timers used for reporting. It describes the primary and secondary cell definitions and lists the common measurement events A1-A6 and B1-B2. It also outlines various UE timers used for connection establishment, reestablishment, measurement reporting and cell reselection.
The document discusses PCI (Physical Cell Identity) planning in LTE networks. It describes the cell search process where the UE detects the PCI from the PSS and SSS. The PCI is used to determine the location of reference signals and avoid interference. The document recommends strategies for PCI planning such as assigning color groups to sectors and code groups to sites to avoid conflicting PCI combinations in adjacent cells. It also discusses tools to analyze potential PCI interference and make changes to mitigate issues.
The document summarizes LTE procedures including cell search, cell selection, cell re-selection, tracking area updates, paging, random access channel procedure, mobility handovers between X2 and S1, and handover events. The cell search procedure detects downlink synchronization using two channels, the primary and secondary synchronization channels, which are always located in the center of the available spectrum. The random access channel procedure involves the UE sending preambles, receiving a response indicating resources to use for signaling and data transmission on an uplink channel.
The document summarizes power management techniques for 4G mobile broadband networks. It describes mechanisms like idle mode and discontinuous reception (DRX) that allow devices to save power by turning off parts of the device when not actively transmitting or receiving data. It discusses implementations of these mechanisms in LTE and WiMAX standards and challenges in balancing power savings with user experience. It also covers how new diverse data applications require further enhancements to efficiently support their different traffic profiles and signaling overhead.
This document discusses cell selection and reselection in GSM networks. It explains:
1) Cell selection is performed when a mobile first turns on to select an initial "camped-on" cell. Reselection occurs when the mobile moves to ensure it remains on the best cell.
2) C1 and C2 criteria are used for selection and reselection. C1 compares signal levels and C2 adds offsets.
3) In the scenario, the mobile selects the 900MHz cell using C1/C2 criteria. To prefer the 1800MHz cell instead, the document suggests using the C2 formula without offsets by setting the penalty time lower.
The document discusses the challenges of troubleshooting problems that occur before any signaling messages are sent, using the example of a UE that gets stuck at "Searching Network...". It explains that to troubleshoot such issues, one needs in-depth knowledge of the physical layer procedures for initial access, including the Random Access Channel (RACH) process, as well as equipment that can monitor physical layer signaling. It then provides details on the RACH process for LTE, including when it occurs, the contention-based vs. contention-free approaches, preamble structure, and timing of preamble transmission and response.
Training material umts cell selection and reselectiontositoru
This document summarizes the key aspects of UMTS cell selection and reselection. It describes the processes the UE goes through for PLMN selection, initial cell selection when no cell information is stored, and cell reselection when camped on a cell. It provides details on the cell selection criteria and parameters like Qqualmin, Qrxlevmin, DeltaQrxlevmin, and MaxRACHTxPwr that determine if a cell is suitable or acceptable.
The document discusses Radio Resource Control (RRC) in UMTS, including RRC states, functions, and procedures. It describes the four RRC states - CELL_DCH, CELL_FACH, CELL_PCH, and URA_PCH. CELL_DCH has a dedicated channel allocated, while the others do not. CELL_FACH continuously monitors a common channel. CELL_PCH and URA_PCH use discontinuous reception on a paging channel. URA_PCH location is known on the UTRAN registration area level. The document also answers questions about RRC, including differentiating RRC states, conditions for CELL_FACH
This document provides a quick introduction to the Sage Instruments UCTT (Universal Cellular Test Tool), which is a portable vector signal analyzer for testing wireless communication signals. It summarizes the main features of the UCTT, which include spectrum analysis, signal location, cable and antenna testing, analysis of 2G, 3G, and 4G communication signals, and remote operation via software. The UCTT allows testing of things like spectrum coverage, adjacent channel power, signal quality, and can locate faults in cables connecting antennas. It also provides visualizations of test results and real-time recordings of signals.
The document describes the initialization and setup procedures between a Node B, RNC, and core network nodes in a UMTS network. It includes procedures for Node B initialization like the audit procedure, cell setup procedure, and common transport channel setup procedure. It also covers call flow scenarios for RRC connection establishment, location updates, circuit switched call setup, and handovers between nodes. The end-to-end protocol stacks for the circuit switched and packet switched domains are illustrated as well.
Fast detection of number of antenna ports in lte systemeSAT Journals
Abstract
In LTE system, during initial cell selection UE is unaware about the number of antennas used by eNB for transmission. So, UE blindly tries multiple times to detect the right number of antennas used for transmission in the system. This wastes lot of time and UE processing power, as UE needs to do channel estimation, equalization/demodulation, decoding process multiple times with assumption of 1 or 2 and 4 antenna ports each time.
The objective of this paper is to find out a faster and efficient method for detecting the number of antenna ports used by the eNB for signal transmission. A new method is explored for detecting the number of eNB transmit antennas before starting PBCH decoding and CRC checking by exploiting the presence of downlink reference signals at various Resource Element (RE) positions in the Resource Blocks (RB) and using the PBCH SFBC data patterns. This helps for faster detection of number of antennas used for transmission that in turn helps to reduce the UE power consumption as well as reduces the initial cell search time.
Keywords: UE- User Equipment, LTE- Long-Term Evolution, eNB- evolved Node B, RAT- Radio Access Technology, PBCH- Physical Broadcast Channel, SFBC- Space Frequency Block Codes, DL – Down Link.
The document summarizes the process of AMR call establishment between a UE and core network. Key steps include:
1. The UE searches for cells, synchronizes with the radio frame, and reads system information from the BCCH logical channel.
2. If the cell passes the UE's cell selection criteria, it establishes an RRC connection and registers with the core network.
3. Having registered, the UE can originate an AMR speech call, which may involve handovers between cells as needed.
4. The AMR call is eventually released, and the UE returns to the idle mode state.
This document discusses L3 messages and system information messages in GSM networks. L3 messages are used for controlling mobile station behavior in idle and dedicated modes and for location updates. System information messages are downlink messages sent on the BCCH or SACCH channels to provide mobile stations with needed network information like cell parameters and neighbor cell lists. Examples of system information messages and their contents are provided.
The document discusses the random access channel (RACH) procedure in LTE networks. It covers:
1) The RACH procedure is used for initial access and synchronization between the UE and network. The physical random access channel (PRACH) is used to perform the initial access.
2) The RACH procedure is performed in scenarios like initial access, re-establishment, handover, and when uplink synchronization is lost.
3) The document provides details on the different steps of the contention-based and non-contention based RACH procedures.
The document discusses various topics related to UMTS interview questions. It describes the different Radio Resource Control (RRC) states a UE can be in, including Cell_DCH, Cell_FACH, Cell_PCH, and URA_PCH. It explains the characteristics and examples of each state. The document also covers cell search procedure, radio bearer configuration mappings, types of handovers, types of measurements, and the purpose of paging in mobile networks.
- SIBs contain important system information that UEs need to access the cell. SIB1 schedules the transmission of other SIBs.
- The types of SIBs include SIB1 to SIB13, with each SIB containing different parameters like cell access restrictions, neighbor cell info, etc.
- UEs obtain SIB1 in every system information block to learn the scheduling of other SIBs, which are transmitted less frequently in other SI messages. This allows UEs to acquire the key system information needed to access the cell.
lte-enodeb-s1-startup-sib-rrc-connection.pdfJunaid Alam
The document summarizes the sequence of events for an eNodeB performing an S1 setup with the EPC and then initiating broadcasts of system information blocks (SIBs) to UEs. It shows the eNodeB sending the RRC Connection Setup message containing UE specific configuration information. The eNodeB first establishes an S1 connection with the MME and then broadcasts the master information block and various SIBs. It then facilitates the random access procedure and sends the RRC Connection Setup message to the UE.
SIB1 provides cell access related information such as PLMN identity, tracking area code, cell identity and access parameters. It is transmitted every 80ms in subframe 5. SIB2 contains radio resource configuration information including access class barring, RACH configuration, timers and power control. It provides parameters for random access, paging, physical channels and uplink power control. SIB1 and SIB2 carry essential system information from the network to user equipment about cell access and configuration.
The document describes various parameters related to system configuration, capacity management, directed retry, HSDPA/EUL, handover, IRAT, and idle mode selection and reselection in a wireless network. Parameters control things like maximum transmission power, admission limits, handover thresholds, measurement quantities, and hysteresis values used in cell selection and reselection decisions.
Ericsson important optimization parametersPagla Knight
The document lists important optimization parameters for Ericsson including parameters related to system configuration, capacity management, directed retry, handover, HSDPA/EUL, IRAT, and idle mode selection and reselection. It provides descriptions of over 50 parameters that control aspects such as power levels, admission limits, thresholds for cell reselection, and criteria for measurements.
5G Idle Mode Mobility and 5G Dedicated Modebakshirahulgsm
1. Cell selection is performed either through an initial cell selection process to find a suitable cell with no prior knowledge, or by leveraging stored information from previously detected cells.
2. The master information block and system information blocks provide essential information for cell access and reselection in 5G SA mode, including parameters for neighboring cells.
3. Cell selection and reselection procedures in 5G multi-beam operations derive a cell measurement quantity based on the highest or averaged beam measurement values.
1) The document discusses various states and procedures in LTE including UE states, PLMN selection, idle and connected mode procedures, cell selection and reselection processes, system information block messages, and mobility events.
2) Key UE states include EMM registered, EMM de-registered, and ECM idle/connected states. Cell selection is based on measurements of the S-criterion while cell reselection considers factors like signal level compensation and cell ranking criteria.
3) System information blocks provide parameters for functions like neighboring cell measurement, priority settings for inter-frequency/RAT reselection, and thresholds for mobility events during connected mode.
This document describes various message types and channels used in LTE networks for communication between the UE, eNB, and MME. It includes:
1. S1AP setup request and response messages exchanged between the eNB and MME to establish transport network connections.
2. RRC connection request messages from the UE to eNB to establish connections, including UE identity information.
3. Descriptions of broadcast, system information, and other channel types used for communication between the UE and eNB, including logical channels mapped to transport channels and physical channels.
The document provides information on parameters optimization, including:
- The parameters optimization procedure which involves data input, verifying problems, classifying issues, determining new parameter values, evaluating changes, and testing implementations.
- Details on optimizing mobile management, power control, power configuration, and load control parameters. Key parameters discussed include cell selection, reselection, and handover criteria.
- Explanations of soft handover events like adding a new cell (1A), removing a cell (1B), and replacing an active cell (1C).
The document describes the information model for remote management of Home eNodeB devices using TR-069 CWMP. It contains sections on configuration management, fault management, and performance management. The configuration management section defines parameters for layers of the protocol stack including physical layer, MAC layer, RLC layer, and various network-related parameters. Examples of parameters described include antenna configuration, PDSCH configuration, PRACH configuration, power control settings, and MBSFN configuration.
The document describes Maxis' mobility strategy involving LTE, UMTS and GSM networks. Key points include:
1. In idle mode, LTE-LTE reselection is based on intra-frequency and inter-frequency measurements using different priorities. UMTS has lower priority than LTE.
2. In connected mode, LTE-LTE uses handover while LTE-UMTS uses blind redirection to favored UMTS bands.
3. The strategy aims to keep users on networks with larger bandwidth like LTE 2600 MHz and prioritizes UMTS 2100 over 900 MHz.
This document summarizes the parameters displayed in the TEMS software for monitoring GSM networks, including:
1. Current channel parameters like cell name, location details, frequencies, power levels, encryption, and call details.
2. Radio parameters measuring signal quality, including RxLev, RxQual, BER, and interference levels.
3. Timings for handoff and radio link monitoring.
4. Details of neighboring cells that may be considered for handoff.
The parameters provide technicians insights into call quality, signal levels, and handoff configurations in the network.
The document defines and provides default values for several important WCDMA parameters used in change requests (CR) by engineers. It includes parameters for layer management (e.g. soft/hard handover types), cell selection/reselection (e.g. sInterSearch, sIntraSearch), triggered events, and their typical values. The purpose is to familiarize new engineers with the key parameters used in their daily work when creating CRs.
Self-Configuration and Self-Optimization NetworkPraveen Kumar
The document discusses self-configuration and self-optimization capabilities in cellular networks. It describes functions like dynamic configuration of interfaces between network elements, automatic neighbor relation functions to detect neighboring cells, and framework for physical channel identification selection. It also covers self-optimization aspects like energy saving, interference reduction, mobility robustness optimization, load balancing optimization, and interference coordination.
This document specifies 5G RRC parameters including message definitions and information elements for timers, counters, constants, and UE variables. It defines RRC messages that may be sent on different logical channels and provides descriptions of message fields. It also specifies bandwidth part configurations, measurement reporting, reconfiguration messages, and beam failure recovery resources.
Physical Cell ID identifies a cell at the physical layer similarly to the Primary Scrambling Code in UMTS. Reference Signal Received Power is equivalent to RSCP in UMTS and defines signal interference and noise ratio. MIMO transmission modes in LTE include single antenna, transmit diversity, and various precoding schemes up to 8 layers. The MME controls network access, mobility, and tracking area management in the LTE network. Automatic Neighbor Relations detects and manages neighbor cell relations through UE measurements and neighbor relation tables.
The document discusses idle mode behavior in 2G cellular networks. In idle mode:
- The mobile station scans for the cell with the strongest signal and camps on it. It then listens to paging messages on that cell.
- The mobile station performs cell selection using a cell selection criterion (C1) to ensure it camps on the best cell. It continuously monitors signals to select the optimal cell for communication.
- The mobile station is assigned to a paging group, and only listens for paging messages when its paging group is transmitted, to save battery life while still being reachable by the network.
The document discusses the commonalities and differences between Time Division Duplexing (TDD) and Frequency Division Duplexing (FDD) modes in the Long Term Evolution (LTE) air interface. Key commonalities include using the same radio interface schemes, subframe formats, network architecture, and air interface protocols. Key differences are that TDD uses the same frequency band for both uplink and downlink while FDD requires paired spectrum, and TDD UEs do not need a duplex filter while FDD UEs do.
Go nast3010 e01_1 2_g-3g cell reselection and handover-37Muhammad Ali Suhail
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LTE KPI Optimization - A to Z Abiola.pptxssuser574918
1. The document discusses LTE post launch optimization, including problem causes, solutions, and case studies.
2. It describes different types of counters used to collect PM statistics, including peg, gauge, accumulator, scan, PDF, DDM, calculated, trigACC, and trigSCAN counters.
3. Potential causes of poor accessibility for E-RAB establishment are discussed, including poor coverage, alarms, high load, hardware issues, high UL interference, PCI conflicts, RACH root sequence index planning, UE camping in wrong cells, wrong system constant settings, and VSWR or cell availability issues.
The document discusses various handover procedures in LTE networks, including:
1. Intra-LTE handovers using the X2 interface or S1 interface when the MME and SGW do not change.
2. Inter-MME handovers using S1 that do not change the SGW.
3. Inter-MME/SGW handovers using S1 where both the MME and SGW change.
4. Inter-RAT handovers from LTE to UTRAN Iu mode, which involve reserving resources in the target UTRAN/GERAN network during a preparation phase before executing the handover.
- Orthogonal Frequency Division Multiplexing (OFDM) is a digital multi-carrier modulation technique that divides the available bandwidth into multiple orthogonal subcarriers.
- OFDM provides advantages over traditional Frequency Division Multiplexing (FDM) by making the subcarriers orthogonal, allowing them to overlap without interference and achieving higher spectral efficiency.
- The document provides an example of how OFDM works by taking a bit stream and mapping bits in groups of four to four orthogonal subcarriers at frequencies of 1, 2, 3, and 4 Hz using BPSK modulation before combining them to generate the OFDM signal.
With the rise of data-intensive mobile applications, network operators must find ways to increase network capacity to meet demand. MIMO (Multiple-Input Multiple-Output) techniques, which use multiple antennas at the transmission and reception ends, have the potential to significantly boost network throughput through spatial multiplexing. However, optimizing networks for MIMO's full benefits presents challenges, as MIMO works best under rich scattering conditions and requires accurate measurement of multipath environments. Real-world RF measurements tailored for MIMO networks can help operators overcome these challenges and maximize throughput gains from MIMO without additional spectrum or infrastructure.
This document describes the process of a successful LTE handover from a source eNodeB to a target eNodeB using the X2 interface. It involves measuring signal strengths, selecting a target cell, preparing the target for handover, executing the handover by redirecting data and radio resources to the target, and completing the handover by releasing resources from the source. Key steps include establishing bearers between the target and core network elements like MME and SGW, sending a handover command to the UE, and switching the data path from source to target after handover is completed.
The document describes the 3GPP LTE Radio Link Control (RLC) sub layer. It discusses RLC modes including transparent mode, unacknowledged mode, and acknowledged mode. For each mode it describes functions, state variables, procedures and interfaces. It also covers RLC PDU formats, configurable parameters, and transmission priority policies.
This document discusses the Packet Data Convergence Protocol (PDCP) sublayer in 3GPP LTE networks. It describes the key functions of PDCP including header compression, ciphering, integrity protection, and transmission of user and control plane data. It also explains PDCP's use of ROHC for header compression and the various PDCP protocol data unit formats used for control and user plane messages.
This document discusses the Medium Access Control (MAC) layer in 3GPP Long Term Evolution (LTE) cellular networks. It covers topics such as LTE channel architecture with physical, transport, and logical channels; functions of the MAC layer including mapping channels, error correction, priority handling, and logical channel prioritization; MAC sublayer organization in the downlink and uplink; and downlink and uplink channel types including their purposes and characteristics. Diagrams illustrate the protocol stack and channel relationships.
This document from EventHelix.com provides information about 3GPP LTE channels and the MAC layer. It describes the different logical and transport channels used in LTE, including the functions of the MAC layer such as mapping channels, error correction, and priority handling. Diagrams and explanations are provided for the downlink and uplink channel architectures, as well as the physical layer channels and signaling procedures like random access.
The document describes the LTE RRC connection setup messaging sequence between a UE (user equipment) and an eNodeB (base station). It involves the following steps:
1) The UE initiates a random access procedure by sending a random access preamble to the eNodeB.
2) The eNodeB responds with a random access response assigning the UE a C-RNTI and timing advance value.
3) The UE sends an RRC connection request message using the assigned resources with its UE identity and establishment cause.
4) The eNodeB sends an RRC connection setup message configuring radio bearers.
5) The UE responds with an RRC connection setup complete message
Three UEs (UE-A, UE-B, UE-C) initiate the random access procedure at the same time to connect to the eNodeB. UE-A and UE-B select the same preamble, resulting in a collision. UE-C selects a different preamble. The eNodeB responds to the preambles, assigning resources to UE-A and UE-C. During contention resolution, UE-A's connection request is acknowledged, while UE-B's collides and fails. UE-B then retries the random access procedure with a new preamble.
This document provides an overview of the LTE protocol stack, focusing on the data link layer (L2) which includes the MAC, RLC, and PDCP sublayers. It describes the architecture and functions of MAC including logical and transport channels, HARQ, scheduling, random access procedure, discontinuous reception, and more. It also covers the RLC sublayer including its different modes (TM, UM, AM) and functions like segmentation, reassembly and error correction. Finally it discusses the PDCP sublayer and its roles in header compression, security, and handover support. The document is intended to provide a systematic understanding of the LTE protocol stack for engineers working in areas like development, testing, optimization and trouble
This document discusses downlink physical channels and reference signals in LTE. It describes the functions of channels like the PDCCH, PDSCH, PBCH, and reference signals. It discusses design constraints for cyclic prefix length and subcarrier spacing based on delay spread and Doppler shift. It also summarizes the radio frame structure for different bandwidths and control format indicator values, calculating overhead and peak data rates.
This document provides an overview of the IMS architecture from the perspective of an LTE user equipment. It describes the key components of IMS including the UE, Evolved Packet Core, and IMS core. It also discusses how IMS enables convergence across different access technologies, service types, and network functions to support multimedia services like voice and video over LTE.
The document describes CS fallback procedures for LTE networks, including an immediate-return (IR) scheme and a proposed delayed-return (DR) scheme. The IR scheme has the UE immediately return to LTE after a call is completed, while DR delays the return to avoid unnecessary CS fallbacks if another call is likely. Analytic models are developed to study the performance of IR and DR based on real network measurements. The study finds DR can reduce CS fallback costs by up to 60% compared to IR.
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- LTE is designed for next generation networks and provides all-IP connectivity and consistent experience across access types.
- LTE release 8 supports peak downlink speeds up to 326 Mbps and uplink speeds up to 86 Mbps with 20 MHz bandwidth.
- LTE provides over 4x higher downlink throughput and 5x higher uplink throughput than HSPA+, improved spectrum efficiency, and supports FDD and TDD duplexing and scalable 1.4-20 MHz channel bandwidths.
The document summarizes the signaling flow between an eNodeB and MME during LTE attach and default EPS bearer setup procedures. It includes: (1) UE attach, authentication and security setup; (2) Establishment of two default EPS bearers for two PDNs; (3) Release of UE context due to inactivity and reestablishment using a service request.
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A workshop hosted by the South African Journal of Science aimed at postgraduate students and early career researchers with little or no experience in writing and publishing journal articles.
This slide is special for master students (MIBS & MIFB) in UUM. Also useful for readers who are interested in the topic of contemporary Islamic banking.
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it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
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2. SIB 1 - cell access and scheduling of other system
information (1)
PLMN-Identity Consists of MCC and MNC. The first listed one is the Primary PLMN
p-Max
Value applicable for the cell. If absent the UE applies the maximum power
according to the UE capability. If eNB configures the value more than the value
supported by the UE then UE will set the max value aupported by the UE
capability. Example UE Catagory 3 supports max 23 db
cellReservedForOperatorUse As defined by operator (Reserved/Not_reserved)
trackingAreaCode TAC which is common to the PLMN Identities
cellIdentity Identifies a cell within the PLMN
cellBarred If Barred then UE is not allowed to camp on the cell
intraFreqReselection If enabled, UE will be able to perform Cell-reselection to INTRA-frequency cells
q_RxLevMin Minimum required RX level in the cell
q_RxLevMinOffset
Actual value Qrxlevminoffset = IE value * 2 [dB]. only applied when a cell is
evaluated for cell selection as a result of a periodic search for a higher priority
PLMN while camped normally in a VPLMN [5]. During this periodic search for
higher priority PLMN the UE may check the S criteria of a cell using parameter
values stored from a different cell of this higher priority PLMN. Affects the
minimum required Rx level in the cell.
3. SIB 1 (2)
freqBandIndicator indicates the E-UTRA operating band
schedulingInfoList information regarding the presence of SIB type; other than SIB1
si_Periodicity
Periodicity of the SI-message in radio frames (SI will be transmitted within the
specified radio frame)
sib_MappingInfo
carries the List of the SIBs mapped. SIB2 is always present in the first element of
schedulingInfoList
si_WindowLength
specifies that a SIB should be transmitted somewhere within the specified window
length. Value is in ms. This window starts at the starting sub-frame of the
mentioned si_periodicity. SIBs can be received in any of the sub-frame as
mentioned in the WindowLength.
systemInfoValueTag
indicates if a change has occurred in the SI messages. UEs may use
systemInfoValueTag, e.g. upon return from out of coverage, to verify if the
previously stored SI messages are still valid.
Additionally, the UE considers stored system information to be invalid after 3 hours
from the moment it was successfully confirmed as valid, unless specified
otherwise.
Common for all SIBs other than MIB, SIB1, SIB10, SIB11 and SIB12.
4. SIB 2 - radio resource configuration information (1)
ac-BarringInfo Access Class Barring configuration
radioResourceConfig
used to specify common radio resource configurations in the system
information and in the mobility control information
numberOfRA_Preambles Number of non-dedicated random access preambles
preamblesGroupAConfig_exist
Provides the configuration for preamble grouping. If the field is not
signalled, the size of the random access preambles group A is equal to
numberOfRA-Preambles
powerRampingParameters
powerRampingStep Power ramping factor
preambleInitialReceivedTargetPower Initial preamble power
ra_SupervisionInfo
preambleTransMax Maximum number of preamble transmission
ra_ResponseWindowSize
Duration of the RA response window. Value in subframes. Value sf2
corresponds to 2 subframes
mac_ContentionResolutionTimer
Timer for contention resolution. Value in subframes. Value sf8
corresponds to 8 subframes
maxHARQ_Msg3Tx 4
Maximum number of Msg3 HARQ transmissions, used for contention
based random access
5. SIB 2 (2)
bcch_Config
modificationPeriodCoeff
Actual modification period, expressed in number of radio frames=
modificationPeriodCoeff * defaultPagingCycle. n2 corresponds to value 2
pcch_Config
defaultPagingCycle Default paging cycle, used to derive ‘T’. Value rf32 corresponds to 32 radio frames
nB is used as one of parameters to derive the Paging Frame and Paging Occasion
prach_Config
used to specify the PRACH configuration in the system information and in the
mobility control information
rootSequenceIndex
prach_ConfigIndex
mentions the:
Preamble format: 0-4 (For frame structure 1 preamble format is 0-3 and for frame
structure 2 it is 0-4)
SFN: whether it will be EVEN no. frmae OR any frame
subframe number: carrier the subframe no. within the SFN
(Look for the table in TS36.211 - Table 5.7.1-2)
highSpeedFlag TRUE corresponds to Restricted set and FALSE to Unrestricted set
zeroCorrelationZoneConfig used for Preamble generation
6. SIB 2 (3)
pdsch_Config used to specify the common and the UE specific PDSCH configuration
pusch_Config
used to specify the common PUSCH configuration and the reference signal
configuration for PUSCH and PUCCH
pucch_Config used to specify the common and the UE specific PUCCH configuration
soundingRS_UL_Config used to specify the uplink Sounding RS configuration
uplinkPowerControl
used to specify parameters for uplink power control in the system information
and in the dedicated signalling
ue_TimersAndConstants Timer values
freqInfo UL carrier frequency and bandwidth
timeAlignmentTimerCommon
used to control how long the UE is considered uplink time aligned. Value in
subframes
7. SIB3: Cell-reselection parameters for INTRA-Frequency,
INTER-Frequency and Inter-RAT (1)
cellReselectionInfoCommon Cell re-selection information common for cells
q_Hyst
This specifies the hysteresis value for cell re-selection ranking criteria. The specified
value is added to the serving cell RSRP measurement.
speedStateReselectionPars
Speed dependent reselection parameters. If this field is absent then mobility State
Parameters is not present. If q_hystSF is present then it is added to q_hyst. Carrier (-
) value so as to reduce the ranking of the serving cell and allows cellreselection to
occur easily.
cellReselectionServingFreqInfo Information for Cell re-selection to inter-frequency and inter-RAT cells
s_NonIntraSearch
#used to trigger Interfrequency and IRATfrequency measurements for cell
reselection when:
- TARGET Interfreq. has lower or equal priority
- IRAT freq. has a lower priority
# specifies the Srxlev threshold (in dB) for E-UTRAN inter-frequency and inter-RAT
measurements.
#If the field s-NonIntraSearchP is present, the UE applies the value of s-
NonIntraSearchP.
# Otherwise if neither s-NonIntraSearch nor s-NonIntraSearchP is present, the UE
applies the (default) value of infinity for SnonIntraSearchP.
threshServingLow
This specifies the Srxlev threshold (in dB) below which the serving cell must fall
before reselecting towards a lower priority RAT/ frequency. Value in between 0-
31dB. Actual value=signalled value*2
cellReselectionPriority
explains the absolute priority of the concerned serving cell frequency /set of
frequencies (GERAN)/ bandclass (CDMA2000), as used by the cell reselection
procedure. Corresponds with parameter "priority". Value is between 0-7 where 0
means: lowest priority.
8. SIB3 (2)
intraFreqCellReselectionIn
fo
Cell re-selection information common for intra-frequency cells
q_RxLevMin
Minimum required RSRP for cell reselection. value -70 - 22 dbm, Actual
value=signalled value*2
s_IntraSearch
# used to trigger intrafreq. measurements
# specifies the Srxlev threshold (in dB) for intra-frequency measurements.
# If the field s-IntraSearchP is present, the UE applies the value of s-
IntraSearchP instead. Otherwise if neither 09s-IntraSearch nor s-
IntraSearchP is present, the UE applies the (default) value of infinity for
SIntraSearchP.
presenceAntennaPort1
is used to09 indicate whether all the neighbouring cells use 09Antenna Port
1. When set to TRUE, the UE may assume that at least two cell-specific
antenna ports are used in all neighbouring cells.
neighCellConfig
used to provide the information related to MBSFN and TDD UL/DL
configuration of neighbour cells.
t_ReselectionEUTRA
# specifies the cell reselection timer value
# defines time to trigger for cell reselection
# The parameter can be set per E-UTRAN frequency
p_Max
# max. allowed UL transmit power for intra-frequency neighbouring E-UTRA
cells. If absent the UE applies the maximum power according to the UE
capability
9. SIB4: Cell-reselection parameters for Neighbouring INTRA-
Frequency
intraFreqNeighCellList
[1-16 instances]
List of intra-frequency neighbouring cells with specific cell re-
selection parameters
IntraFreqNeighCellInfo
physCellId Physical CellID of the neighbour cell
q-OffsetCell specifies the offset between the two cells. Value -24 - +24dB
intraFreqBlackCellList
[1-16 instances]
List of blacklisted intra-frequency neighbouring cells. These type
of cells are not considered for cell re-selection
csg_PhysCellIdRange
Set of physical cell identities reserved for CSG cells on the
frequency on which this field was received. The received csg-
PhysCellIdRange applies if less than 24 hours has elapsed since it
was received and it was received in the same primary PLMN. This
field is Optional (mandatory for CSG cell)
intraFreqNeighCellList
[1-16 instances]
List of intra-frequency neighbouring cells with specific cell re-
selection parameters
10. SIB5: Cell-reselection parameters for INTER-Frequency
InterFreqCarrierFreqInfo can be specified upto 8 carrier frequencies
dl-CarrierFreq carrier frequency helps the UE to search the cells
q-RxLevMin
minimum RSRP value of the inter-frequency cell. Value -70 to
-22 dBm.
Actual value: signalled value * 2
p-Max maximum allowed UL transmit power of the cell
t-ReselectionEUTRA defines the time to trigger for cell reselection. Value 0 to 7 sec.
t-ReselectionEUTRA-SF scaling factors for Medium and High mobility
threshX-High
# Threshold (in dB) used by UE for cell re-selection to a HIGHER priority
# The Srxlev of the candiate cell is greater then threshX_High
# Value 0 to 31 dB. Actual value= Signaled value * 2
threshX-Low
# Threshold (in dB) used by UE for cell re-selection to a LOWER priority
# Cell re-selection is allowed only when Srxlev of the candiate cell is greater then
threshX_Low and RSRP of serving cell is less than the value of ThreshServingLow
singalled within SIB3
# Value 0 to 31 dB. Actual value= Signaled value * 2
allowedMeasBandwidth defined in terms of Resouce blocks associated with a specific channel bandwidth
cellReselectionPriority defines the Abolute priority of the frequency layer
neighCellConfig information regarding the neighbouring cells
q-OffsetFreq defines the RSRP measurement offset, applied to all cells on the specified RF carrier
interFreqBlackCellList the mentioned cells are no considered for cell reselection
11. SIB6: Cell-reselection parameters INTER RAT Frequency
carrierFreqListUTRA_FDD/TDD Information specified for up to 16 instances of RF carriers for FDD or TDD
carrierFreq carrier frequency helps the UE to seach
cellReselectionPriority defines the absolute priority of the UMTS. Value 0-7, 0 is the lowest priority
threshX_High
# Threshold (in dB) used by UE for cell re-selection to a HIGHER priority UMTS
frequency
# The Srxlev of the candiate cell is greater then threshX_High
# Value 0 to 31 dB. Actual value= Signaled value * 2
threshX_Low
# Threshold (in dB) used by UE for cell re-selection to a LOWER priority UMTS frequency
# Cell re-selection is allowed only when Srxlev of the candiate cell is greater then
threshX_Low and RSR of serving cell is less than the value of ThreshServingLow
singalled within SIB3
# Value 0 to 31 dB. Actual value= Signaled value * 2
q_RxLevMin
minimum RSCP requirement for candiate UMTS cell. Value -60 to -13 dB. Actual value=
Signaled value * 2 +1
p_Max
Value applicable for the intra-frequency neighbouring E-UTRA cells. If absent the UE
applies the maximum power according to the UE capability
q_QualMin
# minimum Ec/Io requirement for candiate UMTS cell.
Value -24 to 0 dB
# applicable for FDD only
t_ReselectionUTRA
# defines the time to trigger cell re-selection
# value 0 - 7 seconds
t_ReselectionUTRA_SF
# defines the time to trigger cell re-selection
# value 0 - 7 seconds
# Scaling factors used for Medium and High mobility
# Scaling Factors value 0.25, 0.5, 0.75, 1.0. These values decrease the value of
T_reselection which allows more rapid cell re-selections
12. SIB7: Cell-reselection parameters INTER RAT Frequency
(GERAN)
t_ReselectionGERAN Time to trigger for reselection. Value 0 to 7 sec.
carrierFreqsInfoList[0] carries upto 16 instances of GERAN freq.
carrierFreqs
startingARFCN Start of the ARFCN
bandIndicator dcs1800 or pcs1900
followingARFCNs ARFCN groups
cellReselectionPriority absolute priority of the GERAN layer. Value 0 to 7, whereas 0 is the lowest priority
ncc_Permitted Network Color Code. Is a bitmap value
q_RxLevMin minimum RSSI value required
p_MaxGERAN maximum allowed UL transmit power
threshX_High
# Threshold (in dB) used by UE for cell re-selection to a HIGHER priority frequency
# The Srxlev of the candiate cell is greater then threshX_High
# Value 0 to 31 dB. Actual value= Signaled value * 2
threshX_Low
# Threshold (in dB) used by UE for cell re-selection to a LOWER priority frequency
# Cell re-selection is allowed only when Srxlev of the candiate cell is greater then
threshX_Low and RSRP of serving cell is less than the value of ThreshServingLow
singalled within SIB3
# Value 0 to 31 dB. Actual value= Signaled value * 2
13. SIB9: Home eNB name
hnb-Name Carries the name of the home eNB
14. SIB10: ETWS primary notification
messageIdentifier
Identifies the source and type of ETWS notification (earthquake,
tsunami warning, any emergency or test message)
serialNumber
Identifies variations of an ETWS notification.
-uses various mechanisms to alert the user (display message, play a
tone or vibrate, location where the message is applicable, also
contains an update number which specifies whether a change is in
the message content or not)
warningType
# Identifies the warning type of the ETWS primary notification
(earthquake, tsunami, etc.) and
# provides information on emergency user alert and UE popup
warningSecurityInfo
# is optional, only applied when security is applied
# Provides security information for the ETWS notification
15. SIB11: ETWS secondary notification
messageIdentifier
Identifies the source and type of ETWS notification (earthquake,
tsunami warning, any emergency or test message)
serialNumber
Identifies variations of an ETWS notification.
-uses various mechanisms to alert the user (display message, play a
tone or vibrate, location where the message is applicable, also
contains an update number which specifies whether a change is in
the message content or not)
warningMessageSegmentType
[last/not last]
Indicates whether the included ETWS warning message segment is
the last segment of the complete segment or not
warningMessageSegmentNumber
# allows oedering of the message segments
# Segment number of the ETWS warning message segment contained
in the SIB. A segment number of zero corresponds to the first
segment, one corresponds to the second segment, and so on
warningMessageSegment carries actual segment of the message
dataCodingScheme
Identifies the alphabet/coding and the language applied variations of
an ETWS notification
16. SIB12: CMAS notification
messageIdentifier Identifies the source and type of CMAS notification
serialNumber Identifies variations of a CMAS notification
warningMessageSegmentType
Indicates whether the included CMAS warning message
segment is the last segment or not
warningMessageSegmentNumber
Segment number of the CMAS warning message segment
contained in the SIB. A segment number of zero
corresponds to the first segment, one corresponds to the
second segment, and so on
warningMessageSegment Carries a segment of the Warning Message
dataCodingScheme
Identifies the alphabet/coding and the language applied
variations of a CMAS notification
17. SIB13: MBMS control information
Contains the information required to acquire
the MBMS control information associated
with one or more MBSFN areas
• mbsfn-AreaInfoList