园园 2007-1-29 15:18
3GPP TR 25.814 V7.1.0
3GPP TR 25.814 V7.1.0
Physical layer aspects for evolved Universal Terrestrial Radio Access (UTRA)
Contents
Foreword 8
1 Scope 9
1.1 Rationale for RAN#30 decision on way forward for Evolved UTRA multiple access 9
2 References 10
3 Definitions, symbols and abbreviations 11
3.1 Definitions 11
3.2 Symbols 11
3.3 Abbreviations 11
4 Introduction 12
5 Requirements 13
6 General description of layer 1 13
6.1 Multiband operation 13
6.1.1 MC-WCDMA based proposal 13
6.2 Duplexing 13
6.2.1 TDD mode aspects for OFDMA and SC-FDMA 13
6.2.1.1 Approach 1 –Multiple fixed frame structures 14
6.2.1.1.1 For co-existence with LCR-TDD 14
6.2.1.1.2 For co-existence with HCR-TDD 15
6.2.1.2 Approach 2 –Generic frame structure 16
6.2.2 Duplexing for the MC-WCDMA based proposal 19
6.2.2.1 Unpaired spectrum use cases 19
6.2.2.2 Time duplex operation 19
7 Downlink concepts 20
7.1 OFDMA (FDD / [TDD]) 20
7.1.1 Basic transmission scheme 20
7.1.1.1 Modulation scheme 22
7.1.1.1.1 Basic modulation scheme 22
7.1.1.1.2 Enhanced modulation scheme 22
7.1.1.2 Multiplexing including reference-signal structure 26
7.1.1.2.1 Downlink data multiplexing 26
7.1.1.2.2 Downlink reference-signal structure 27
7.1.1.2.3 Downlink L1/L2 Control Signaling 28
7.1.1.3 Channel coding and physical channel mapping 30
7.1.1.4 MIMO and Transmit Diversity 30
7.1.1.4.1 Transmit Diversity for Control Channel 30
7.1.1.4.2 Aspects for LTE MIMO 31
7.1.1.4.3 High level principles of MIMO for unicast traffic 31
7.1.1.4.4 High level principles of MIMO for E-MBMS 32
7.1.1.5 Downlink macro diversity 33
7.1.1.6 MBMS 33
7.1.2 Physical layer procedure 35
7.1.2.1 Scheduling 35
7.1.2.2 Link adaptation 35
7.1.2.3 HARQ 36
7.1.2.4 Cell search 37
7.1.2.4.1 Purposes of the SCH, BCH, and reference symbols and information to be detected in the cell search 37
7.1.2.4.2 Structure in time 38
7.1.2.4.3 Structure in frequency 40
7.1.2.4.4 Transmit diversity for SCH and BCH transmission 42
7.1.2.4.5 SCH signal structure 42
7.1.2.4.6 Cell search procedure 43
7.1.2.5 Power control 45
7.1.2.6 Inter-cell interference mitigation 45
7.1.2.6.1 Inter-cell-interference randomization 45
7.1.2.6.2 Inter-cell-interference cancellation 46
7.1.2.6.3 Inter-cell-interference co-ordination/avoidance 46
7.1.2.7 Inter-Node B Synchronization 47
7.1.3 Physical layer measurements 47
7.1.3.1 UE measurements 47
7.1.3.1.1 Measurements for Scheduling 47
7.1.3.1.2 Measurements for Mobility 48
7.1.3.2 E-UTRAN measurements 49
7.2 MC-WCDMA (FDD) 49
7.2.1 High level principles 49
7.2.2 Basic Transmission Scheme 50
7.2.2.1 Definitions 50
7.2.2.2 WCDMA LCR system numerology 50
7.2.2.3 Assumptions for MC-WCDMA operation in DL 51
7.2.2.4 DL Single-carrier PHY Channels 52
7.2.2.5 DL Multi-Carrier PHY Channels 53
7.2.2.5.1 N/M Asymmetry considerations 53
7.2.3 Physical Layer Procedures 54
7.2.3.1 DL PHY channels timing considerations 54
7.2.3.2 Synchronization Procedures: Cell Search 55
7.2.3.2.1 “Cold” Acquisition 55
7.2.3.2.2 “Warm” Acquisition 55
7.2.3.3 Synchronization Procedures: Synchronization of Dedicated channels 55
7.2.3.3.1 Procedure A 55
7.2.3.3.2 Procedure B 56
7.2.3.4 Power Control: DL PC 56
7.2.3.5 HS-DSCH Related Procedures 56
7.2.3.5.1 HS-PDSCH Retransmission on Multi-Carrier system 56
7.2.4 Physical layer measurements 56
7.2.4.1 UE measurements 56
7.2.4.2 Measurements support for mobility 57
7.3 MC-TD-SCDMA (TDD) 57
7.3.1 Basic transmission scheme 57
7.3.1.1 Modulation scheme 59
7.3.1.2 Multiplexing including pilot structure 59
7.3.1.3 Channel Coding and physical channel mapping 59
7.3.1.4 MIMO and beam-forming 59
7.3.2 Physical layer procedure 59
7.3.2.1 Scheduling 59
7.3.2.2 Link adaptation 59
7.3.2.3 HARQ 59
7.3.2.4 Cell search 59
7.3.2.5 Power control 59
7.3.3 Physical layer measurements 60
7.3.3.1 UE measurements 60
7.3.3.2 Measurements support for mobility 60
8 Evaluation of techniques for evolved UTRA DL 60
8.1 Performance evaluation 60
8.1.1 Traffic outage and latency requirements 60
8.1.2 Evaluation against reference 61
8.1.2.1 Evaluation for MC-WCDMA based evolved UTRA DL 61
8.1.2.2 Evaluation for OFDMA based evolved UTRA DL 61
8.1.2.2.1 Peak rate evaluation 61
8.1.2.2.2 Throughput evaluation 63
8.1.2.2.3 DL VoIP Evaluation 68
8.1.3 Evaluation of OFDM based Multicast for evolved UTRA 69
8.2 Analysis of UE complexity 70
8.2.1 WCDMA based evolved UTRA downlink 70
8.2.1.1 Baseband 70
8.3 Analysis of Node B impacts 70
8.3.1 WCDMA based evolved UTRA downlink 70
8.3.1.1 Baseband 70
9 UL Concepts 71
9.1 SC-FDMA (FDD / [TDD]) 71
9.1.1 Basic transmission scheme 71
9.1.1.1 Modulation scheme 74
9.1.1.2 Multiplexing including reference signal structure 74
9.1.1.2.1 Uplink data multiplexing 74
9.1.1.2.2 Uplink reference-signal structure 75
9.1.1.2.3 Multiplexing of L1/L2 control signaling 77
9.1.1.2.4 Uplink L1/L2 Control Signaling 79
9.1.1.3 Channel coding and physical channel mapping 81
9.1.1.4 MIMO and Transmit Diversity 81
9.1.1.5 Uplink macro diversity 81
9.1.1.6 Power De-rating Reduction 81
9.1.2 Physical channel procedure 82
9.1.2.1 Random access procedure 82
9.1.2.1.1 Non-synchronized random access 82
9.1.2.1.2 Synchronized random access: 86
9.1.2.2 Scheduling 87
9.1.2.3 Link adaptation 88
9.1.2.4 Power control 90
9.1.2.4.1 Slow Power Control 90
9.1.2.4.2 Power Control based upon neighbour cell load 90
9.1.2.5 HARQ 90
9.1.2.6 Uplink timing control 91
9.1.2.7 Inter-cell interference mitigation 91
9.1.2.7.1 Inter-cell-interference co-ordination/avoidance 92
9.1.2.7.2 Inter-cell-interference randomization 92
9.1.2.7.3 Inter-cell-interference Cancellation 93
9.1.3 Physical layer measurements 93
9.1.3.1 Node B measurements 93
9.2 OFDMA (FDD / [TDD]) 93
9.2.1 Basic transmission scheme 93
9.2.1.1 Modulation scheme 94
9.2.1.2 Multiplexing including pilot structure 94
9.2.1.3 MIMO 96
9.2.1.4 Peak to Average Power Ratio (PAPR) and its Reduction 96
9.2.1.4.1 Tone reservation PAPR reduction method 96
9.2.1.4.2 Circulated clipping and filtering 98
9.3 MC-WCDMA (FDD) 98
9.3.1 High level principles 98
9.3.2 Basic Transmission Scheme 99
9.3.2.1 Definitions 99
9.3.2.2 Assumptions for MC-WCDMA operation in UL 99
9.3.2.3 UL Single-carrier PHY Channels 100
9.3.2.4 UL Multi-Carrier PHY Channels 100
9.3.2.4.1 N/M Asymmetry considerations 101
9.3.3 Physical Layer Procedures 102
9.3.3.1 PHY channels timing considerations 102
9.3.3.2 Power Control: UL PC 102
9.3.3.3 Random Access Procedure 102
9.3.3.4 E-DCH Related Procedures 103
9.3.3.4.1 E-DPCH Retransmission on Multi-Carrier system 103
9.3.4 Physical layer measurements 103
9.3.4.1 Node B measurements 103
9.4 MC-TD-SCDMA (TDD) 103
9.4.1 Basic transmission scheme 103
9.4.1.1 Modulation scheme 103
9.4.1.2 Multiplexing including pilot structure 103
9.4.1.3 Channel Coding and physical channel mapping 103
9.4.1.4 MIMO and beamforming 104
9.4.2 Physical channel procedure 104
9.4.2.1 Random access procedure 104
9.4.2.2 Scheduling 104
9.4.2.3 Link adaptation 104
9.4.2.4 Power control 104
9.4.2.5 HARQ 104
9.4.2.6 Uplink timing control 104
10 Evaluation of techniques for evolved UTRA UL 104
10.1 Performance evaluation 104
10.1.1 Evaluation against reference 104
10.1.1.1 MC-WCDMA based evolved UTRA UL 105
10.1.1.2 OFDMA based evolved UTRA UL 105
10.1.1.3 Evaluation of SC-FDMA based evolved UTRA UL 105
10.1.1.3.1 Peak rate evaluation 105
10.1.1.3.2 Throughput evaluation 107
10.1.1.3.3 UL VoIP evaluation 109
10.1.2 Evaluation between evolved UTRA UL proposals 111
10.1.2.1 Comparison between MC-WCDMA and OFDMA 111
10.1.2.2 Comparison between SC-FDMA and OFDMA 112
10.1.2.3 Evaluation of Multi-user MIMO 112
10.2 Analysis of UE complexity 113
10.3 Analysis of Node B impacts 113
11 Evaluation common for UL/DL 113
11.1 Analysis of U-plane Latency 113
11.2 Physical layer complexity 114
12 UE capabilities 114
12.1 UE bandwidth capabilities 114
12.1.1 Downlink bandwidth capabilities 114
12.1.2 Uplink bandwidth capabilities 114
12.2 UE antenna capabilities 115
12.2.1 Receive-antenna capabilities 115
12.2.2 Transmit-antenna capabilities 115
ANNEX A: Simulation scenarios 116
A.1 Link simulation Scenarios 116
A.1.1 Link simulation assumptions 116
A.1.2 Maximum SNR per channel 116
A.1.3 Multi-Antenna Link level channel models 117
A.2 System simulation scenario 120
A.2.1 System simulation assumptions 120
A.2.1.1 Reference system deployments 120
A.2.1.1.1 Cell dimensions 120
A.2.1.1.2 Downlink and uplink numerology 123
A.2.1.2 Channel models 123
A.2.1.2.1 Multi-path channel models & early simulations 123
A.2.1.2.2 Spatial channel model (SCM) 123
A.2.1.3 Traffic models 123
A.2.1.3.1 Latency analysis 124
A.2.1.4 System performance metrics 124
A.2.1.5 Reference Release 6 (UTRA) UE 124
A.2.1.6 Reference EUTRA UE 124
A.2.1.7 Reference Release 6 (UTRA) Node-B 125
A.2.1.8 Reference EUTRA Node-B 125
A.2.1.9 Scheduling & resource allocation 126
A.2.1.9.1 Proportional fair or other scheduling 126
A.2.1.9.2 Fairness criteria 126
A.2.2 Multi-antenna subsystems 126
A.2.2.1 MIMO 126
A.2.2.2 SDMA/Beamforming 127
A.2.3 System configuration and performance topics 127
A.2.3.1 Frequency re-use assessment 127
A.2.3.2 Frame signaling reliability [TBD] 127
A.2.3.3 Macro diversity performance 127
A.2.3.4 Timing synchronization 127
A.2.3.5 RACH channel performance [TBD] 127
A.2.4 Examples of Cell and User throughput evaluation 127
A.3 E-UTRA physical layer framework for evaluation 129
A.3.1 Downlink 129
A.3.2 Uplink 130
ANNEX B: Change History 132
nxsunny 2007-1-29 17:16
谢谢楼主了，不过这样在3GPP上能下载到的东西就不要收费了。