【资料名称】：LTE协议211、212

【资料作者】：3GPP

【资料日期】：2008

【资料语言】：英文

【资料格式】：DOC

【资料目录和简介】：

Contents
Foreword6
1Scope7
2References7
3Definitions, symbols and abbreviations7
3.1Symbols7
3.2Abbreviations9
4Frame structure9
4.1Frame structure type 19
4.2Frame structure type 210
5Uplink11
5.1Overview11
5.1.1Physical channels11
5.1.2Physical signals11
5.2Slot structure and physical resources12
5.2.1Resource grid12
5.2.2Resource elements13
5.2.3Resource blocks13
5.3Physical uplink shared channel13
5.3.1Scrambling14
5.3.2Modulation14
5.3.3Transform precoding14
5.3.4Mapping to physical resources15
5.4Physical uplink control channel16
5.4.1PUCCH formats 1, 1a and 1b16
5.4.2PUCCH formats 2, 2a and 2b19
5.4.3Mapping to physical resources20
5.5Reference signals21
5.5.1Generation of the reference signal sequence21
5.5.1.1Base sequences of lengthor larger21
5.5.1.2Base sequences of length less than 22
5.5.1.3Group hopping23
5.5.1.4Sequence hopping24
5.5.2Demodulation reference signal24
5.5.2.1Demodulation reference signal for PUSCH24
5.5.2.1.1Reference signal sequence24
5.5.2.1.2Mapping to physical resources25
5.5.2.2Demodulation reference signal for PUCCH25
5.5.2.2.1Reference signal sequence25
5.5.2.2.2Mapping to physical resources26
5.5.3Sounding reference signal27
5.5.3.1Sequence generation27
5.5.3.2Mapping to physical resources27
5.5.3.3Sounding reference signal subframe configuration29
5.6SC-FDMA baseband signal generation30
5.7Physical random access channel31
5.7.1Time and frequency structure31
5.7.2Preamble sequence generation37
5.7.3Baseband signal generation40
5.8Modulation and upconversion40
6Downlink41
6.1Overview41
6.1.1Physical channels41
6.1.2Physical signals41
6.2Slot structure and physical resource elements42
6.2.1Resource grid42
6.2.2Resource elements42
6.2.3Resource blocks43
6.2.3.1Virtual resource blocks of localized type44
6.2.3.2Virtual resource blocks of distributed type44
6.2.4Resource-element groups45
6.2.5Guard period for half-duplex FDD operation46
6.2.6Guard Period for TDD Operation46
6.3General structure for downlink physical channels46
6.3.1Scrambling47
6.3.2Modulation47
6.3.3Layer mapping47
6.3.3.1Layer mapping for transmission on a single antenna port47
6.3.3.2Layer mapping for spatial multiplexing47
6.3.3.3Layer mapping for transmit diversity48
6.3.4Precoding48
6.3.4.1Precoding for transmission on a single antenna port48
6.3.4.2Precoding for spatial multiplexing49
6.3.4.2.1Precoding without CDD49
6.3.4.2.2Precoding for large delay CDD49
6.3.4.2.3Codebook for precoding50
6.3.4.3Precoding for transmit diversity51
6.3.5Mapping to resource elements52
6.4Physical downlink shared channel52
6.5Physical multicast channel52
6.6Physical broadcast channel53
6.6.1Scrambling53
6.6.2Modulation53
6.6.3Layer mapping and precoding53
6.6.4Mapping to resource elements53
6.7Physical control format indicator channel54
6.7.1Scrambling54
6.7.2Modulation54
6.7.3Layer mapping and precoding54
6.7.4Mapping to resource elements55
6.8Physical downlink control channel55
6.8.1PDCCH formats55
6.8.2PDCCH multiplexing and scrambling55
6.8.3Modulation56
6.8.4Layer mapping and precoding56
6.8.5Mapping to resource elements56
6.9Physical hybrid ARQ indicator channel57
6.9.1Modulation58
6.9.2Resource group alignment, layer mapping and precoding58
6.9.3Mapping to resource elements60
6.10Reference signals61
6.10.1Cell-specific reference signals62
6.10.1.1Sequence generation62
6.10.1.2Mapping to resource elements62
6.10.2MBSFN reference signals64
6.10.2.1Sequence generation64
6.10.2.2Mapping to resource elements64
6.10.3UE-specific reference signals66
6.10.3.1Sequence generation66
6.10.3.2Mapping to resource elements67
6.11Synchronization signals68
6.11.1Primary synchronization signal69
6.11.1.1Sequence generation69
6.11.1.2Mapping to resource elements69
6.11.2Secondary synchronization signal69
6.11.2.1Sequence generation69
6.11.2.2Mapping to resource elements71
6.12OFDM baseband signal generation72
6.13Modulation and upconversion72
7Generic functions73
7.1Modulation mapper73
7.1.1BPSK73
7.1.2QPSK73
7.1.316QAM74
7.1.464QAM74
7.2Pseudo-random sequence generation75
8Timing76
8.1Uplink-downlink frame timing76
Annex A (informative):Change history77