Content for TR 25.863 Word version: 11.0.0
2 References
3 Definitions, symbols and abbreviations
4 Description of Uplink Transmit Diversity Algorithms
5 Link and System Evaluation Methodology
6 Link Evaluation Results
7 System Evaluation Results
8 Impacts on UE Implementation
9 Impacts on UE Core Tx Requirements
10 New UE Core Tx Requirements
11 Analysis of UE Battery Life and Heat Reduction Savings due to ULTD
12 Impacts to NodeB Receiver due to ULTD
13 Summary of RAN WG4 Findings
14 Conclusion
$ Change history
2 References
3 Definitions, symbols and abbreviations Word‑p. 14
4 Description of Uplink Transmit Diversity Algorithms
4.1 Theoretical Analysis of Uplink Transmit Diversity
4.1.1 No Transmit Diversity Word‑p. 15
4.1.2 Switched Antenna Transmit Diversity
4.1.3 Beam-forming Transmit Diversity Word‑p. 16
4.2 Genie Algorithms Word‑p. 17
4.3 Practical Algorithms Word‑p. 19
5 Link and System Evaluation Methodology Word‑p. 21
5.1 Link Simulation Assumptions
5.2 Link Performance Evaluation Metrics Word‑p. 23
5.3 System Simulation Assumptions
5.3.1 Modelling of Antenna Imbalance
5.3.2 System Simulation Parameters Word‑p. 36
5.3.3 Modeling of NodeB Receiver Loss in System Simulations Word‑p. 37
5.4 System Performance Evaluation Metrics Word‑p. 40
6 Link Evaluation Results Word‑p. 41
6.1 Switched Antenna Transmit Diversity
6.1.1 Genie Algorithms
6.1.2 Practical Algorithms Word‑p. 45
6.1.3 Impact of Realistic E-DPCCH Decoding on Switched Antenna Transmit Diversity Word‑p. 51
6.1.4 HS-DPCCH Performance in Soft Handover with Switched Antenna Transmit Diversity Word‑p. 53
6.1.4.1 Notation
6.1.4.2 HS-DPCCH Performance Word‑p. 54
6.1.5 Sensitivity with respect to the BLER operating point
6.2 Beamforming Transmit Diversity Word‑p. 56
6.2.1 Genie Algorithms
6.2.2 Practical Algorithms Word‑p. 59
6.2.2.1 Results for a Practical Node-B Word‑p. 69
6.2.3 HS-DPCCH Performance in Soft Handover with Beamforming Transmit Diversity Word‑p. 70
6.2.3.1 Notation
6.2.3.2 HS-DPCCH Performance Word‑p. 72
6.3 Uplink Transmit Diversity Link Level Simulations with Discontinuous Transmission Word‑p. 73
6.4 Uplink Transmit Diversity Link Level Simulations with Soft Handover Word‑p. 74
6.5 Uplink Transmit Diversity Link Level Simulations with Incorrect TPC command delay
6.6 Uplink Transmit Diversity Link Level Simulations with Multipath Propagation Word‑p. 75
6.7 Conclusion on Link Evaluation Results
7 System Evaluation Results Word‑p. 77
7.1 Switched Antenna Transmit Diversity
7.1.1 Full Buffer Traffic
7.1.1.1 Results for inter-site distance 1km
7.1.1.1.1 Results for 0 dB long-term antenna imbalance and 2D antennas
7.1.1.1.2 Results for 0 dB long-term antenna imbalance and 3D antenna Word‑p. 83
7.1.1.1.3 Results for -4 dB long-term antenna imbalance and 2D antennas Word‑p. 86
7.1.1.1.4 Results for -4 dB long-term antenna imbalance and 3D antennas Word‑p. 89
7.1.1.1.5 Results for 0 dB long-term antenna imbalance and 2D antennas with 50 % penetration of SATD terminals Word‑p. 91
7.1.1.1.6 Results for 0 dB long-term antenna imbalance and 2D antennas with 25 % penetration of SATD terminals and 1 000 m ISD Word‑p. 94
7.1.1.1.7 Results for 0 dB long-term antenna imbalance and 2D antennas with 75 % penetration of SATD terminals and 1 000 m ISD Word‑p. 98
7.1.1.2 Results for inter-site distance 2.8 km Word‑p. 103
7.1.1.2.1 Results for 0 dB long-term antenna imbalance and 2D antennas
7.1.1.2.2 Results for -4 dB long-term antenna imbalance and 2D antennas Word‑p. 106
7.1.1.2.3 Results for ISD 2.8 km with 50 % penetration of SATD terminals Word‑p. 107
7.1.1.2.4 Results for 0 dB long-term antenna imbalance and 2D antennas with 25 % penetration of SATD terminals and 2 800 m ISD Word‑p. 110
7.1.1.2.5 Results for 0 dB long-term antenna imbalance and 2D antennas with 75 % penetration of SATD terminals and 2 800 m ISD Word‑p. 114
7.1.1.3 Sensitivity to BLER target Word‑p. 118
7.1.1.4 System performance evaluation for suboptimal SATD algorithms Word‑p. 119
7.1.2 Bursty Traffic Word‑p. 121
7.2 Beam-forming Transmit Diversity Word‑p. 130
7.2.1 Full Buffer Traffic
7.2.1.1 Results for inter-site distance 1km
7.2.1.1.1 Results for 0 dB long-term antenna imbalance and 2D antennas
7.2.1.1.2 Results for 0 dB long-term antenna imbalance and 3D antennas Word‑p. 139
7.2.1.1.3 Results for -4 dB long-term antenna imbalance and 2D antennas Word‑p. 142
7.2.1.1.4 Results for -4 dB long-term antenna imbalance and 3D antennas Word‑p. 144
7.2.1.1.5 Results for 0 dB long-term antenna imbalance and 2D antennas with 50 % beamforming UE penetration Word‑p. 146
7.2.1.1.6 Results for 0 dB long-term antenna imbalance and 2D antennas with 25 % penetration of BFTD terminals and 1 000 m ISD Word‑p. 150
7.2.1.1.7 Results for 0 dB long-term antenna imbalance and 2D antennas with 75 % penetration of BFTD terminals and 1 000 m ISD Word‑p. 153
7.2.1.2 Results for inter-site distance 2.8 km Word‑p. 156
7.2.1.2.1 Results for 0 dB long-term antenna imbalance and 2D antennas
7.2.1.2.2 Results for -4 dB long-term antenna imbalance and 2D antennas Word‑p. 160
7.2.1.2.3 Results for 0 dB long-term antenna imbalance and 2D antennas with 50 % beamforming UE penetration Word‑p. 161
7.2.1.2.4 Results for 0 dB long-term antenna imbalance and 2D antennas with 25 % penetration of BFTD terminals and 2 800 m ISD Word‑p. 164
7.2.1.2.5 Results for 0 dB long-term antenna imbalance and 2D antennas with 75 % penetration of BFTD terminals and 2 800 m ISD Word‑p. 166
7.2.2 Bursty Traffic Word‑p. 169
7.3 Conclusion on System Evaluation Results Word‑p. 176
8 Impacts on UE Implementation
8.1 Switched Antenna Transmit Diversity
8.2 Beamforming Transmit Diversity Word‑p. 179
8.3 Summary of UE Implementation Impact due to ULTD
9 Impacts on UE Core Tx Requirements Word‑p. 182
10 New UE Core Tx Requirements
10.1 Test Feasibility
10.2 Switched Antenna Transmit Diversity Word‑p. 184
10.3 Beamforming Transmit Diversity
11 Analysis of UE Battery Life and Heat Reduction Savings due to ULTD Word‑p. 185
11.1 Method 1
11.1.1 PA Efficiency Curves
11.1.2 UE Transmit Power Profiles Word‑p. 186
11.1.3 UE Transmit Architecture Assumption for BFTD Word‑p. 188
11.2 Method 2
11.3 Switched Antenna Transmit Diversity Word‑p. 189
11.3.1 UE Battery Life Analysis based on Method 1 for SATD [73]
11.3.2 UE Battery Life Analysis based on Method 2 for SATD [74] Word‑p. 190
11.4 Beamforming Transmit Diversity Word‑p. 192
12 Impacts to NodeB Receiver due to ULTD Word‑p. 194
12.1 Results for practical Node B #1
12.1.1 Practical NodeB Receiver Description
12.1.1.1 DCH Searcher and Finger Management
12.1.1.2 Practical Channel Estimation and Time Tracking Loop Word‑p. 195
12.1.2 Switched Antenna Transmit Diversity
12.1.2.1 DCH Finger and Finger Management
12.1.2.2 Practical Channel Estimation and Time Tracking Loop Word‑p. 196
12.1.3 Beamforming Transmit Diversity Word‑p. 204
12.2 Results for practical Node-B #2 Word‑p. 208
13 Summary of RAN WG4 Findings Word‑p. 209
14 Conclusion Word‑p. 212
14.1 Conclusions specific to open loop transmit diversity
14.2 Conclusions specific to closed loop transmit diversity Word‑p. 213
$ Change history Word‑p. 222
