Content for TR 45.912 Word version: 18.0.0
9 Dual symbol rate and modified dual symbol rate
9.1 Introduction
9.2 Concept description
9.3 Modelling assumptions and requirements
9.4 System level model
9.5 Performance characterization
9.6 Impacts to the mobile station
9.7 Impacts to the BSS
9.8 Impacts to the core network
9.9 Impacts to the specification
9.10 Possible enhancements
9.11 Compliance to the objectives
9.12 References
...
...
9 Dual symbol rate and modified dual symbol rate p. 256
9.1 Introduction p. 256
9.1.1 Technology outline p. 256
9.1.2 Service outline p. 256
9.2 Concept description p. 256
9.2.1 Comparison with MIMO p. 257
9.2.2 Modulation p. 257
9.2.3 Multiplexing p. 258
9.2.3.1 Burst format p. 258
9.2.3.2 Blind symbol rate and modulation detection p. 260
9.2.3.3 Multi slot classes p. 261
9.2.4 Channel coding p. 261
9.2.5 RLC/MAC p. 261
9.2.6 RRC p. 262
9.2.7 Radio transmission and reception p. 262
9.2.7.1 Transmitter output power and power classes p. 262
9.2.7.2 Modulation accuracy p. 262
9.2.7.3 Power vs. time p. 262
9.2.7.4 Spectrum due to modulation p. 262
9.2.7.5 Spectrum due to transients p. 262
9.2.7.6 Receiver blocking characteristics p. 262
9.2.7.7 AM suppression characteristics p. 263
9.2.7.8 Inter-modulation characteristics p. 263
9.2.7.9 Nominal Error Rates (NER) p. 263
9.2.7.10 Reference sensitivity level p. 263
9.2.7.11 Reference interference level p. 263
9.3 Modelling assumptions and requirements p. 263
9.3.1 MS transmitter modelling p. 263
9.3.2 BTS receiver modelling p. 263
9.3.3 Simulation approach for interference modelling p. 263
9.4 System level model p. 264
9.5 Performance characterization p. 266
9.5.1 Spectrum due to modulation p. 266
9.5.2 Adjacent channel power p. 267
9.5.2.1 Adjacent channel power to GSM/EDGE uplink p. 267
9.5.2.2 Adjacent channel power to WCDMA uplink p. 268
9.5.2.3 Spectrum mask and spurious emissions p. 268
9.5.3 Coverage p. 269
9.5.4 Performance at Hilly Terrain p. 270
9.5.5 Performance at interference scenarios p. 271
9.5.6 Spectral efficiency p. 272
9.5.7 Impact to voice users with 1/1 re-use p. 272
9.5.8 Impact to voice users C/I distribution with 1/3 re-use p. 273
9.5.9 Uplink/downlink balance p. 274
9.5.10 Real Time service coverage p. 275
9.5.11 DSR and Speech Performance in Legacy MRC Network p. 275
9.5.11.1 DSR interference model for system simulation p. 276
9.5.11.2 UL speech performance in legacy MRC network p. 276
9.5.11.3 DSR performance in legacy MRC network p. 277
9.5.12 Impacts to the signalling p. 278
9.5.13 MDSR performance at interference scenario 2 p. 279
9.5.13.1 Modelling assumptions and requirements p. 279
9.5.13.2 System level model p. 279
9.5.13.3 Performance at mixed voice and data interference scenario 2 p. 279
9.5.13.4 Network performance at data only interference scenarios p. 281
9.5.13.4.1 Performance at scenario 5 (4/12 re-use) p. 282
9.5.13.4.2 Performance at scenario 6 (1/3 re-use) p. 283
9.5.13.4.3 Performance at scenario 7 (3/9 re-use) p. 283
9.5.13.5 Performance of two transceiver implementation p. 284
9.5.13.6 Voice and higher symbol rate in asynchronous interference scenario p. 286
9.5.14 High Symbol Rate (HSR) performance p. 288
9.6 Impacts to the mobile station p. 292
9.7 Impacts to the BSS p. 293
9.7.1 Impacts to the transceiver p. 293
9.7.1.1 Two transceiver implementation for DSR p. 293
9.7.1.2 Processing complexity p. 295
9.7.1.3 MDSR impacts to the transceiver p. 298
9.7.1.4 Network implementation issues p. 298
9.7.2 Impacts to the PCU p. 298
9.7.3 Impacts to the BSS radio network planning p. 298
9.8 Impacts to the core network p. 299
9.9 Impacts to the specification p. 299
9.10 Possible enhancements p. 299
9.11 Compliance to the objectives p. 299
9.12 References p. 301
