Content for TR 25.702 Word version: 12.1.0
4 DCH enhancements
5 MAC layer eEnhancements
6 UE power consumption efficiency
7 Voice over HSPA (VoHSPA)
8 Simulation assumptions
4 DCH enhancements p. 10
4.1 UpLink (UL) physical layer enhancements p. 10
4.1.1 UL Frame Early Termination (FET) p. 10
4.1.1.1 Option 1: Repetition of 10ms TTI frame p. 10
4.1.1.1.1 Outer Loop Power Control (OLPC) algorithm in UL p. 10
4.1.1.1.2 UL DTCH/DCCH compression and repetition p. 11
4.1.1.2 Option 2: New rate matching and interleaving chains p. 12
4.1.1.2.1 Encoding procedure of UL Early Termination (ET) p. 13
4.1.1.2.2 Transport block concatenation for single TrCH p. 13
4.1.1.2.3 CRC attachment p. 13
4.1.1.2.4 Channel coding p. 13
4.1.1.2.5 Rate matching and interleaving p. 14
4.1.1.2.6 Physical channel mapping p. 14
4.1.1.2.7 Stop data transmission based on early termination indicator p. 14
4.1.1.2.8 Power adjustment p. 15
4.1.1.2.9 Early Termination (ET) of both DL and UL data transmission p. 15
4.1.1.2.10 TFCI based transmission p. 15
4.1.2 UL DPCCH slot format optimization p. 16
4.1.2.1 Option 1: Removing TFCI fields p. 16
4.1.2.2 Option 2: Reusing legacy UL DPCCH slot format p. 17
4.1.2.3 Option 3: Relocation of TFCI fields p. 17
4.1.3 UL ACK indication for DL frame Early Termination (ET) p. 18
4.2 Downlink physical layer enhancements p. 22
4.2.1 Downlink Frame Early Termination (FET) p. 22
4.2.1.1 Option 1: Shortened TTI p. 22
4.2.1.2 Option 2: New rate matching and interleaving p. 23
4.2.1.2.1 Encoding procedure of DL Early Termination (ET) p. 23
4.2.1.2.2 Transport block concatenation for single TrCH p. 24
4.2.1.2.3 CRC attachment p. 24
4.2.1.2.4 Channel coding p. 24
4.2.1.2.5 Rate matching and interleaving p. 24
4.2.1.2.6 Physical channel mapping p. 25
4.2.1.2.7 Stop data transmission based on early termination indicator p. 25
4.2.1.2.8 Power adjustment p. 25
4.2.1.2.9 Early termination of both DL and UL data transmission p. 26
4.2.1.2.10 TFCI based or BTFD based transmission p. 26
4.2.1.3 Option 3: Reusing legacy TTI p. 26
4.2.2 DL DPCCH slot format optimization p. 28
4.2.2.1 Option 1: Removal of dedicated pilots p. 28
4.2.2.2 Option 2: Removal of dedicated pilots and optimizing TPC field p. 28
4.2.3 DL ACK indication for UL Frame Early Termination (FET) p. 31
4.2.3.1 Option 1: ACK as part of DL DPCCH p. 31
4.2.3.2 Option 2: ACK on a new code channel p. 31
4.2.3.3 Option 3: ACK using spared TPC symbols p. 31
4.2.4 DPCH Time Domain Multiplexing (TDM) p. 33
4.2.5 Considerations of frame timing for DPCH Time Domain Multiplexing solutions p. 37
4.2.5.1 Background p. 37
4.2.5.2 Pairing of users p. 37
4.2.5.3 Pairing of traversing users p. 41
4.2.5.4 Pairing with extended soft combining window p. 42
4.2.5.4.1 Effect of extended soft combining window on UE battery saving p. 42
4.2.5.4.2 Effect of extended soft combining window on delay budget p. 42
4.2.5.4.3 Effect on UL timing p. 43
4.2.5.5 Conclusion on user paring p. 43
4.2.6 Code-space and UE power efficient Signalling Radio Bearer (SRB) design p. 44
5 MAC layer eEnhancements p. 51
6 UE power consumption efficiency p. 51
7 Voice over HSPA (VoHSPA) p. 52
7.1 General overview of CS VoHSPA p. 52
7.2 VoHSPA details p. 52
8 Simulation assumptions p. 54
8.1 Simulation assumptions for Voice over HSPA (VoHSPA) p. 54
8.1.1 Link simulation assumptions for VoHSPA p. 54
8.1.1.1 Link simulation assumptions for downlink VoHSPA p. 54
8.1.1.2 Link simulation assumptions for uplink VoHSPA p. 57
8.1.2 Link performance metrics for VoHSPA p. 58
8.1.2.1 Link performance metrics for downlink VoHSPA p. 58
8.1.2.2 Link Performance metrics for uplink VoHSPA p. 58
8.1.3 System simulation assumptions for VoHSPA p. 59
8.1.3.1 System simulation assumptions for downlink VoHSPA p. 59
8.1.3.2 System simulation assumptions for uplink VoHSPA p. 61
8.1.4 System performance metrics for VoHSPA p. 63
8.2 Simulation assumptions for voice over R99 and DCH enhancements p. 64
8.2.1 Link simulation assumptions for voice over R99 DCH p. 64
8.2.1.1 Link simulation assumptions for Downlink voice over R99 DCH p. 64
8.2.1.2 Link simulation assumptions for Uplink voice over R99 DCH p. 68
8.2.2 Link Performance Evaluation Metrics p. 69
8.2.2.1 Link Performance metrics for downlink voice over R99 DCH p. 69
8.2.2.2 Link Performance metrics for uplink voice over R99 DCH p. 69
8.2.3 System simulation assumptions p. 70
8.2.3.1 System simulation assumptions for Downlink p. 70
8.2.3.1.1 Simulation assumptions for Downlink voice over R99 DCH p. 70
8.2.3.1.2 General system assumptions for Downlink p. 71
8.2.3.1.3 Simplified simulation methodology for HSDPA throughput from voice-only simulation p. 72
8.2.3.1.4 Link-to-system mapping for DCH p. 76
8.2.3.2 System simulation assumptions for Uplink p. 78
8.2.4 System performance evaluation metrics p. 82
8.2.4.1 System performance metrics for downlink voice over R99 and enhanced DCH p. 82
8.2.4.2 System performance metrics for uplink voice over R99 and enhanced DCH p. 82
8.2.5 Link simulation assumptions for voice over enhanced DCH (Solution 1 and 3) p. 83
8.2.5.1 Link simulation assumptions for Downlink voice over enhanced DCH p. 83
8.2.5.2 Link simulation assumptions for Uplink voice over enhanced DCH p. 86
8.2.6 Link simulation assumptions for voice over enhanced DCH (Solution 2 and 4) p. 92
8.2.6.1 Link simulation assumptions for Downlink voice over enhanced DCH p. 92
8.2.6.2 Link simulation assumptions for Uplink voice over enhanced DCH p. 96
8.2.7 Link Performance Evaluation Metrics for voice over enhanced DCH p. 98
8.2.8 System simulation assumptions for voice over enhanced DCH (Solution 1 and 3) p. 99
8.2.9 System simulation assumptions for voice over enhanced DCH (Solution 2 and 4) p. 99
