Tech-invite 3GPPspace IETFspace

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Content for TR 45.914 Word version: 18.0.0

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4 Objectives p. 15

4.1 Performance Objectives p. 15

4.1.1 Capacity Improvements at the BTS p. 15

4.1.2 Capacity Improvements at the Air Interface p. 16

4.2 Compatibility Objectives p. 16

4.2.1 Maintainance of Voice Quality p. 16

4.2.2 Support of Legacy Mobile Stations p. 16

4.2.3 Implementation Impacts to new Mobile Stations p. 16

4.2.4 Implementation Impacts to BSS p. 16

4.2.5 Impacts to Network Planning p. 17

5 Common Working Assumptions for Candidates Evaluation p. 17

5.1 General parameters p. 17

5.2 Definition of Model for External Interferers for Link Level Evaluations p. 19

5.2.1 Synchronous Network Mode p. 19

5.2.2 Asynchronous Network Mode p. 20

5.2.2.1 Interferer delay profiles p. 21

5.2.3 Sensitivity limited scenarios p. 21

5.2.4 Frequency Offsets p. 21

5.2.5 Uplink Interferer Profiles p. 21

5.3 Network Configurations p. 22

5.4 Channel Mode Adaptation p. 22

5.5 System Performance Evaluation Method p. 23

5.5.1 Definition of Effective Frequency Load for Mixed Frequency Reuse p. 24

5.6 Definition of Minimum Call Quality Performance p. 24

5.7 Link-to-System Mapping p. 25

5.8 Impairments of the Mobile Station p. 25

5.8.1 Subchannel power imbalance ratio on DL p. 25

5.8.2 Frequency Offset Impairment Model in UL p. 25

5.9 Reference BTS Receiver p. 26

6 Speech Capacity Enhancement using DARP p. 26

6.1 Concept Description p. 26

6.1.1 Principle p. 26

6.1.2 Downlink signal modulation schemes p. 27

6.1.2.1 Equal power level between two desired users p. 27

6.1.2.2 Spectrum analysis p. 29

6.1.2.3 Different power levels between two desired users p. 29

6.1.3 Power control in co-TCH MUROS operation p. 30

6.1.4 BTS changes for co-TCH MUROS operation p. 31

6.1.5 Adaptive pulse shapping for MUROS modulation p. 32

6.2 Performance Characterization p. 36

6.2.1 Link Level Performance p. 36

6.2.1.1 Sensitivity performance p. 36

6.2.1.2 Interference performance p. 38

6.2.1.2.1 MTS-1 configuration p. 38

6.2.1.2.2 MTS-2 configuration p. 39

6.2.1.2.3 MTS-3 configuration p. 40

6.2.1.2.4 MTS-4 configuration p. 41

6.2.1.3 Link level performance with power imbalance p. 42

6.2.1.4 SACCH performance on MUROS and non-MUROS p. 47

6.2.1.4.1 Non-MUROS and MUROS Sensitivity Performance p. 47

6.2.1.4.2 Non-MUROS and MUROS Interference Performance p. 48

6.2.2 Network Level Performance p. 52

6.2.2.1 System Setup and Configurations p. 52

6.2.2.1.1 Enabled features for system simulations p. 53

6.2.2.1.2 Simulated Channel Mode Adaptations p. 53

6.2.2.2 Simulation Results p. 54

6.2.2.2.1 MUROS-1 with 100% penetration p. 54

6.2.2.2.1.1 TU 50km/hr channel model p. 54

6.2.2.2.1.2 TU 3km/hr channel model p. 55

6.2.2.2.2 MUROS-2 with 100% penetration p. 55

6.2.2.2.2.1 TU 50km/hr channel model p. 55

6.2.2.2.3 MUROS-3A with 100% penetration p. 57

6.2.2.2.3.1 TU 50km/hr channel model p. 57

6.2.2.2.3.2 TU 3km/hr channel model p. 57

6.2.2.2.4 MUROS-3B with 100% penetration p. 58

6.2.2.2.4.1 TU 50km/hr channel model p. 58

6.2.2.2.4.2 TU 3km/hr channel model p. 59

6.2.2.2.5 MUROS-2 with less than 100% penetration p. 59

6.2.2.2.5.1 TU 3km/hr channel model p. 59

6.2.2.2.6 Summary p. 60

6.2.2.3 Performance Summary p. 60

6.2.3 Performance Summary p. 61

6.2.4 Verification of Link to System Mapping p. 61

6.3 Impacts on the Mobile Station p. 61

6.4 Impacts on the BSS p. 61

6.4.1 Impact on BTS transmitter p. 61

6.4.2 Impact on BTS receiver p. 62

6.4.3 Impact on Radio Resource Management p. 62

6.5 Impacts on Network Planning p. 62

6.6 Impacts on the Specification p. 63

6.7 Summary of Evaluation versus Objectives p. 63

6.7.1 Performance objectives p. 63

6.7.2 Compatibility objectives p. 64

6.8 References p. 65