1、 ETSI TR 125 922 V7.1.0 (2007-03)Technical Report Universal Mobile Telecommunications System (UMTS);Radio resource management strategies (3GPP TR 25.922 version 7.1.0 Release 7)ETSI ETSI TR 125 922 V7.1.0 (2007-03) 1 3GPP TR 25.922 version 7.1.0 Release 7 Reference RTR/TSGR-0225922v710 Keywords UMTS
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6、ssion. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2007. All rights reserved. DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Members. TIPHONTMand the TIPHON logo are Trade M
7、arks currently being registered by ETSI for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. ETSI ETSI TR 125 922 V7.1.0 (2007-03) 2 3GPP TR 25.922 version 7.1.0 Release 7 Intellectual Property Rights IPRs e
8、ssential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or poten
9、tially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/webapp.etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried o
10、ut by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This Technical Report (TR) has been produced by ETSI 3rd Generation Partn
11、ership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI id
12、entities can be found under http:/webapp.etsi.org/key/queryform.asp. ETSI ETSI TR 125 922 V7.1.0 (2007-03) 3 3GPP TR 25.922 version 7.1.0 Release 7 Contents Intellectual Property Rights2 Foreword.2 Foreword.7 1 Scope 8 2 References 8 3 Definitions and abbreviations.9 3.1 Definitions9 3.2 Abbreviatio
13、ns .9 4 Idle Mode Tasks.11 4.1 Overview 11 4.2 Service type in Idle mode.11 4.3 Criteria for Cell Selection and Reselection 12 4.3.1 Cell Selection12 4.3.2 Cell Re-selection.12 4.3.2.1 Hierarchical Cell Structures 12 4.3.2.2 Measurements for cell re-selection .13 4.3.2.3 Cell re-selection criteria 1
14、3 4.3.3 Mapping of thresholds in cell reselection rules.14 4.3.4 Barred / Reserved Cells and Access Restrictions for Cells.14 4.3.4.1 Barred cells .14 4.3.4.2 Reserved cells .14 4.3.4.3 Access Restrictions for Cells.14 4.4 Location Registration .15 5 RRC Connection Mobility15 5.1 Handover 15 5.1.1 S
15、trategy.15 5.1.2 Causes.15 5.1.3 Hard Handover16 5.1.4 Soft Handover.16 5.1.4.1 Soft Handover Parameters and Definitions .16 5.1.4.2 Example of a Soft Handover Algorithm16 5.1.4.3 Soft Handover Execution 17 5.1.5 Inter Radio Access Technology Handover .18 5.1.5.0 General18 5.1.5.1 Handover UTRAN to
16、GSM 19 5.1.5.2 Handover GSM to UTRAN 19 5.1.5.2.1 Introduction .19 5.1.5.2.2 Predefined radio configuration information 19 5.1.5.2.3 Security and UE capability information 20 5.1.5.2.4 UE capability information .20 5.1.5.2.5 Handover to UTRAN information flows, typical example20 5.1.5.3 Handover fro
17、m UTRAN to GERAN Iu mode.25 5.1.5.4 Handover from GERAN Iu mode to UTRAN.26 5.1.6 Measurements for Handover.26 5.1.6.1 Monitoring of FDD cells on the same frequency 26 5.1.6.2 Monitoring cells on different frequencies .26 5.1.6.2.1 Monitoring of FDD cells on a different frequency 26 5.1.6.2.2 Monito
18、ring of TDD cells .26 5.1.6.2.2.2 Void .26 5.1.6.2.3 Monitoring of GSM cells.26 5.1.7 Transfer of RRC information across interfaces other than Uu28 5.1.7.1 Introduction and general principles.28 5.1.7.2 Message sequence diagrams29 ETSI ETSI TR 125 922 V7.1.0 (2007-03) 4 3GPP TR 25.922 version 7.1.0
19、Release 7 5.1.7.3 General error handling for RRC containers 36 6 Admission Control .42 6.1 Introduction 42 6.2 Examples of CAC strategies.42 6.2.1 CAC for handover.43 6.3 Scenarios 43 6.3.1 CAC performed in SRNC .43 6.3.2 CAC performed in DRNC 44 6.3.2.1 Case of DCH .44 6.3.2.2 Case of Common Transp
20、ort Channels 44 7 Radio Bearer Control45 7.1 Usage of Radio Bearer Control procedures45 7.1.1 Examples of Radio Bearer Setup 45 7.1.2 Examples of Physical Channel Reconfiguration.46 7.1.2.1 Increased UL data, with switch from CELL_FACH to CELL_DCH .46 7.1.2.2 Increased DL data, no Transport channel
21、type switching .47 7.1.2.3 Decrease DL data, no Transport channel type switching 47 7.1.2.4 Decreased UL data, with switch from CELL_DCH to CELL_FACH 47 7.1.3 Examples of Transport Channel Reconfiguration.48 7.1.3.1 Increased UL data, with no transport channel type switching.48 7.1.4 Examples of Rad
22、io Bearer Reconfiguration .48 8 Dynamic Resource Allocation50 8.1 Code Allocation Strategies for FDD mode.50 8.1.1 Introduction.50 8.1.2 Criteria for Code Allocation .50 8.1.3 Example of code Allocation Strategies.51 8.1.4 Void 52 8.2 DCA (TDD)52 8.2.1 Channel Allocation .52 8.2.1.1 Resource allocat
23、ion to cells (slow DCA) 52 8.2.1.2 Resource allocation to bearer services (fast DCA)53 8.2.2 Measurements Reports from UE to the UTRAN 53 9 Power Management54 9.1 Variable Rate Transmission .54 9.1.1 Examples of Downlink Power Management 54 9.1.2 Examples of Uplink Power Management .54 9.2 Void54 9.
24、3 Examples of balancing Downlink power55 9.3.1 Adjustment loop55 10 Radio Link Surveillance.55 10.1 Mode Control strategies for TX diversity.55 10.1.1 TX diversity modes.55 10.1.2 Mode Control Strategies .55 10.1.2.1 DPCH55 10.1.2.2 Common channels.56 11 Codec mode control56 11.1 AMR mode control.56
25、 12 Congestion Control 59 12.1 Introduction 59 12.2 Example of Congestion Control procedures.59 13 High Speed Downlink Packet Access 59 13.1 HSDPA scheduling.59 13.1.1 Introduction.59 13.1.2 Scheduling strategies 60 13.1.2.1 Non real-time services.60 13.1.2.2 Real time / near real-time services 60 E
26、TSI ETSI TR 125 922 V7.1.0 (2007-03) 5 3GPP TR 25.922 version 7.1.0 Release 7 14 Multimedia Broadcast Multicast Service (MBMS)62 14.1 Introduction 62 14.2 MBMS in UTRAN .62 14.2.1 Mapping of MBMS bearer to p-t-p and p-t-m channels .62 14.2.2 MBMS counting.62 14.2.3 MBMS RRM p-t-p / p-t-m switching s
27、trategies.63 Annex A: Simulations on Fast Dynamic Channel Allocation.65 A.1 Simulation environment .65 A.2 Results 65 A.2.1 Void 65 A.2.2 Micro UDD 38465 A.2.2.1 Code rate 1 66 A.2.2.2 Code rate 2/3 .66 A.3 Conclusions 67 Annex B: Radio Bearer Control Overview of Procedures: message exchange and par
28、ameters used 68 B.1 Examples of Radio Bearer Setup68 B.1.1 RRC Parameters in RB Setup .68 B.1.2 Void 68 B.2 Examples of Physical Channel Reconfiguration 68 B.2.1 Increased UL data, with switch from CELL_FACH to CELL_DCH .69 B.2.1.1 RRC Parameters in Measurement Report .69 B.2.1.2 RRC Parameters in P
29、hysical Channel Reconfiguration 69 B.2.1.3 Void.70 B.2.2 Increased DL data, no Transport channel type switching .70 B.2.2.1 RRC Parameters in Physical Channel Reconfiguration 70 B.2.2.2 Void.70 B.2.3 Decrease DL data, no Transport channel type switching70 B.2.3.1 RRC Parameters in Physical Channel R
30、econfiguration 71 B.2.3.2 Void.71 B.2.4 Decreased UL data, with switch from CELL_DCH to CELL_FACH71 B.2.4.1 RRC Parameters in Physical Channel Reconfiguration 71 B.2.4.2 Void.71 B.3 Examples of Transport Channel Reconfiguration 71 B.3.1 Increased UL data, with no transport channel type switching 71
31、B.3.1.1 RRC Parameters in Measurement Report .72 B.3.1.2 RRC Parameters in Transport Channel Reconfiguration 72 B.3.1.3 Void.73 B.3.2 Void 73 B.3.2.1 Void.73 B.3.2.2 Void.73 B.4 Examples of RB Reconfiguration.73 B.4.1 RRC Parameters in Radio Bearer Reconfiguration.73 B.4.2 Void 73 Annex C: Flow-char
32、t of a Soft Handover algorithm.74 Annex D: Void 75 Annex E: Simulation results on DL Variable Rate Packet Transmission 76 E.1 Simulation assumption .76 E.2 Simulation results.76 Annex F: Simulation results on Adjustment loop.78 F.1 Simulation conditions.78 F.2 Simulation results.78 F.3 Interpretatio
33、n of results 80 Annex G: Simulation results for CPCH .81 G.1 Simulation Assumptions.81 ETSI ETSI TR 125 922 V7.1.0 (2007-03) 6 3GPP TR 25.922 version 7.1.0 Release 7 G.2 CPCH Channel Selection Algorithms 82 G.2.1 Simple CPCH channel selection algorithm.82 G.2.2 The recency table method .82 G.2.3 The
34、 idle-random method.82 G.3 Simulation Results82 G.3.1 Cases A-B: Comparison of idle-random method and the recency method for 30 ms packet inter-arrival time, 480 bytes, and 6 CPCH channels, each 384 ksps82 G.3.2 Case C-D-E: Comparison of the three methods for multiple CPCH.83 G.3.3 Cases E-F: Impact
35、 of packet inter-arrival time .85 G.3.4 Case G: Number of mobiles in a cell 86 G.3.5 Case H-I: Comparison of recency and idle-random methods for single CPCH86 G.3.6 Case H and J: Comparison of single CPCH and multiple CPCH, idle-random at 2 Msps87 G.4 Discussion on idle-AICH and use of TFCI 87 G.5 R
36、ecommended RRM Strategies .87 Annex H: Examples of RACH/PRACH Configuration 88 H.1 Principles of RACH/PRACH Configuration88 Annex I: Example of PCPCH assignment with VCAM 90 Annex J: Examples of scheduling functions for HSDPA.92 J.1 Link adaptation.92 J.2 Priority scheduling functions92 Annex K: Cha
37、nge history 96 History 97 ETSI ETSI TR 125 922 V7.1.0 (2007-03) 7 3GPP TR 25.922 version 7.1.0 Release 7 Foreword This Technical Report (TR) has been produced by the 3rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may c
38、hange following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change of release date and an increase in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG for information; 2 pr
39、esented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated
40、in the document. ETSI ETSI TR 125 922 V7.1.0 (2007-03) 8 3GPP TR 25.922 version 7.1.0 Release 7 1 Scope The present document shall describe RRM strategies supported by UTRAN specifications and typical algorithms. This report is a release independent report. This means that the latest release applica
41、ble to 3GPP is the reference that this TR is defined upon, and contains information on all previous releases. Actual release where a given example applies is indicated in the relevant section. 2 References The following documents contain provisions which, through reference in this text, constitute p
42、rovisions of the present document. References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific. For a specific reference, subsequent revisions do not apply. For a non-specific reference, the latest version applies. In the case of a referen
43、ce to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document. 1 3GPP Homepage: www.3GPP.org. 2 3GPP TS 25.212: “Multiplexing and channel coding“. 3 3GPP TS 25.215: “Physical layer Measu
44、rements (FDD)“. 4 3GPP TS 25.301: “Radio Interface Protocol Architecture“. 5 3GPP TS 25.302: “Services provided by the Physical Layer“. 6 3GPP TS 25.303: “Interlayer Procedures in Connected Mode“. 7 3GPP TS 25.304: “UE procedures in Idle Mode and Procedures for Cell Reselection in Connected Mode“. 8
45、 3GPP TS 25.322: “RLC Protocol Specification“. 9 3GPP TS 25.331: “Radio Resource Control (RRC); protocol specification“. 10 3GPP TS 25.921: “Guidelines and Principles for protocol description and error handling“. 11 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 12 3GPP TS 26.010: “Mandatory
46、Speech Codec speech processing functions AMR Speech Codec General Description“. 13 3GPP TS 23.122: “Non-Access-Stratum functions related to Mobile Station (MS) in idle mode “. 14 3GPP TS 33.102: “3G Security; Security Architecture“. 15 3GPP TS 25.123: “Requirements for support of radio resource mana
47、gement (TDD)“. 16 3GPP TS 25.133: “Requirements for support of radio resource management (FDD)“. 17 3GPP TS 25.224: “Physical Layer Procedures (TDD)“. 18 3GPP TS 25.321: “MAC protocol specification“. 19 3GPP TS 22.011: “Service accessibility“. 20 3GPP TS 24.008: “Mobile radio interface layer 3 speci
48、fication Core Network Protocols“. ETSI ETSI TR 125 922 V7.1.0 (2007-03) 9 3GPP TR 25.922 version 7.1.0 Release 7 21 3GPP TS 25.225: “Physical layer Measurements (TDD)“. 22 3GPP TS 25.213: “Spreading and modulation (FDD)“. 23 3GPP TS 25.415: “ UTRAN Iu interface user plane protocols“. 24 3GPP TS 23.1
49、07: “Quality of Service (QoS) concept and architecture“. 25 3GPP TS 43.129: “Packet Switched Handover for GERAN A/Gb mode, Stage 2“. 26 3GPP TR 25.848: “Physical Layer Aspects of UTRA High Speed Downlink Packet Access“. 27 3GPP TS 25.433: “UTRAN Iub interface Node B Application Part (NBAP) signalling“. 28 3GPP TS 23.060: “ General Packet Radio Service (GPRS); Service description; Stage 2“. 29 3GPP TS 43.055: “Dual Transfer Mode (DTM), Stage 2“. 30 3GPP TS 23.246: “Multimedia Broadcast Multicast Service
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