Essentials of LTE and LTE-A (The Cambridge Wireless Essentials Series)

Contents......Page 8
Preface......Page 12
Acknowledgments......Page 15
1.1 Genesis of wireless technology......Page 16
1.2 Key drivers for 4G/4.5G wireless broadband......Page 19
1.3 Radio spectrum for wireless broadband......Page 23
Additional reading......Page 24
2.1 Introduction......Page 25
2.2 System architecture......Page 27
2.2.1 E-UTRAN......Page 29
2.2.2 Evolved packet core......Page 31
2.2.3 User equipment......Page 33
2.3.1 OFDMA......Page 35
2.3.2 SC-FDMA......Page 40
References......Page 45
3.1 Introduction......Page 48
3.2 Mapping between transport and physical channels......Page 49
3.3 LTE downlink frame structure......Page 50
3.4.1 Shared data channel......Page 57
3.4.1.1 Dynamic and semi-persistent scheduling......Page 58
3.4.1.2 Resource allocation......Page 59
3.4.1.3 Modulation and TBS allocation......Page 61
3.4.2 Multimedia broadcast multicast service......Page 63
3.5.1 Physical Downlink Control Channel......Page 65
3.5.2 Physical Control Format Indicator Channel......Page 70
3.5.3 Physical HARQ Indicator Channel......Page 71
3.5.4 Physical Broadcast Channel......Page 74
3.5.5 Paging Control Channel......Page 77
3.6 Downlink reference signal......Page 78
3.7 Synchronization signals......Page 82
3.7.1 Cell search and synchronization sequences......Page 83
3.8.1 Link-level performance......Page 84
3.8.2 System-level performance......Page 85
3.9 Rel-8 interference coordination schemes......Page 87
References......Page 89
4.2 Transmission scheme and frame structure......Page 92
4.3 Data channel......Page 95
4.3.1 Dynamic uplink scheduling assignment......Page 97
4.3.2 Semi-persistent uplink scheduling assignment......Page 100
4.3.4 HARQ processes......Page 102
4.4 Control information......Page 105
4.4.1 ACK/NACK and scheduling request......Page 107
4.4.2 Channel measurement report – CQI/PMI/RI......Page 112
4.4.2.1 CQI/PMI/RI reporting modes......Page 115
4.4.2.1.1 Aperiodic CQI/PMI/RI reporting......Page 118
4.5 Reference signals......Page 123
4.5.2 Sounding reference signal......Page 125
4.6 Random access......Page 129
4.6.1 Random-access procedure......Page 133
4.7 Timing advance......Page 134
4.8.1 Data channel......Page 137
4.8.2 Control channels......Page 140
4.9 Interference coordination schemes......Page 141
4.10.1 Link-level performance......Page 143
4.10.2 System-level performance......Page 147
References......Page 152
5.2 Downlink multi-antenna techniques......Page 154
5.2.2 Transmission mode 3: precoder-based open-loop spatial multiplexing......Page 157
5.2.3 Transmission modes 4 and 6: closed-loop spatial multiplexing (single-user MIMO)......Page 158
5.2.4 Transmission mode 5: multi-user MIMO......Page 159
5.2.5 Transmission mode 7: UE-specific reference-symbol-based beamforming......Page 160
5.2.6 System performance of LTE Rel-8 multiple-antenna schemes......Page 162
5.3 Uplink multi-antenna techniques......Page 167
References......Page 172
6.1 Introduction......Page 175
6.2 Carrier aggregation......Page 176
6.2.1 Data transmission......Page 182
6.2.2 Control signaling......Page 184
6.3 Downlink multi-antenna transmission......Page 191
6.3.1 LTE Rel-9 downlink spatial multiplexing......Page 192
6.3.2 LTE Rel-10 downlink spatial multiplexing......Page 195
6.3.3 Coordinated multi-point transmission......Page 198
6.4 Uplink multi-antenna transmission......Page 199
6.4.1 Control channels......Page 201
6.4.2 Random-access channel......Page 204
6.4.3 Data channel......Page 205
6.4.4 Coordinated multi-point reception......Page 210
6.5 Heterogeneous network......Page 215
6.5.1 Heterogeneous network overview......Page 216
6.5.2 Indoor distributed-antenna system......Page 217
6.5.3 In-band relays......Page 220
6.5.4 Pico- and femto-cell underlay......Page 225
6.5.5 Interference-management techniques for heterogeneous network......Page 227
6.5.5.1 Rel-8/9-based schemes......Page 228
6.5.5.3 Rel-10 carrier-aggregation-based schemes......Page 229
6.6.1 Non-contiguous uplink transmission......Page 231
References......Page 233
Additional reading......Page 235
7.2 Feature comparison of wireless broadband technologies......Page 237
7.3 Performance comparison of LTE/LTE-A and WiMAX/802.16m......Page 242
7.4 Migration and co-existence scenarios......Page 247
Additional reading......Page 251
A.1 System analysis and performance metrics......Page 253
A.2 Abbreviations......Page 256
Index......Page 262