Tech-invite 3GPPspace IETFspace

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Content for TR 45.912 Word version: 18.0.0

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11.1 Introduction 11.2 Concept description 11.3 RLC/MAC Aspects 11.4 Performance Characterization 11.5 Additional technical aspects 11.6 New Burst Structures with Turbo Codes 11.7 Timeslot Aggregation for RTTI TBF and Link Performance 11.7a Impacts to the Mobile Station 11.8 Impacts to the BSS 11.9 Impacts to the Core Network 11.10 Impacts to the Specification 11.11 References

11 New burst structures and new slot formats p. 382

11.1 Introduction p. 382

11.2 Concept description p. 382

11.3 RLC/MAC Aspects p. 383

11.3.1 Introduction p. 383

11.3.2 RLC/MAC and the New Burst Structures p. 384

11.3.2.1 Option 1: Increased RLC block size for the 2-slot aggregation p. 384

11.3.2.1.1 Principles p. 384

11.3.2.1.2 Pictorial representations p. 385

11.3.2.1.3 A numerology p. 386

11.3.2.2 Option 2: Reduced code rate for the 2-slot aggregation p. 387

11.3.2.2.1 Principles p. 387

11.3.2.2.2 Pictorial representations p. 388

11.3.2.2.3 A numerology p. 389

11.3.2.3 Discussion p. 389

11.4 Performance Characterization p. 390

11.4.1 Performance calculations p. 390

11.4.2 Link Level Simulations p. 391

11.4.2.1 GMSK Modulated Channels with legacy equalizers p. 391

11.4.2.1.1 First simulation run p. 391

11.4.2.1.2 Second simulation run p. 392

11.4.2.2 8PSK Modulated Channels with legacy equalizers p. 392

11.4.2.2.1 First simulation run p. 392

11.4.2.2.2 Second simulation run p. 393

11.4.2.3 8PSK Modulated Channels with advanced simulation settings p. 393

11.4.2.3.1 First simulation run p. 393

11.4.2.4 Interference limited scenarios p. 394

11.4.2.5 RLC Simulations p. 395

11.4.2.5.1 RLC Simulations with New Coding Schemes p. 395

11.5 Additional technical aspects p. 397

11.5.1 Influence of TSC Position p. 397

11.5.1.1 New slot formats in simulation p. 397

11.5.1.2 Simulation Results p. 398

11.5.2 BER Distribution Aspects p. 399

11.5.3 Relationship between performance penalty and aggregation size p. 400

11.5.3.1 Simulation Setting p. 400

11.5.3.2 Simulation Results and Analysis p. 400

11.6 New Burst Structures with Turbo Codes p. 402

11.6.1 BER Degradation of New Burst p. 402

11.6.2 New Coding schemes and Simulation p. 403

11.6.2.1 Coding schemes p. 403

11.6.2.2 Simulation setting p. 403

11.6.2.3 Simulation results p. 404

11.6.3 Compatibility p. 406

11.6.3.1 Impact to the current frequency planning p. 406

11.6.3.2 Multiplexing loss with legacy EGPRS p. 407

11.6.3.3 Impact to BTS p. 407

11.6.3.4 Applicable of DTM p. 407

11.6.3.5 Applicable for the A/Gb mode interface p. 407

11.6.3.6 Impact to the mobile station p. 407

11.7 Timeslot Aggregation for RTTI TBF and Link Performance p. 407

11.7.1 Introduction p. 407

11.7.2 Timeslot aggregation for RTTI p. 407

11.7.3 Definition of the new coding schemes p. 408

11.7.4 Header and Data coding p. 408

11.7.5 Bitmap coding p. 408

11.7.6 Simulation results p. 409

11.7a Impacts to the Mobile Station p. 411

11.8 Impacts to the BSS p. 412

11.9 Impacts to the Core Network p. 412

11.10 Impacts to the Specification p. 412

11.11 References p. 412