Tech-invite3GPPspaceIETF RFCsSIP
Quick21222324252627282931323334353637384‑5x

Content for  TR 36.881  Word version:  14.0.0

Top   Top   Up   Prev   None
1…   2…

 

2  References

3  Definitions, symbols and abbreviationsWord‑p. 7

4  Study Objectives

5  Overview of LTE latency

6  Scenarios, Applications and Use Cases

7  Evaluation Structure and AssumptionsWord‑p. 15

8  Solutions for latency reduction

9  Performance EvaluationWord‑p. 20

9.1  Protocol evaluations on TTI reduction and Fast UL

9.1.1  Simulation 1: TCP slow-start behavior for FTP file download based on reduced TTI and reduced SR periodicity [4]Word‑p. 21

9.1.2  Simulation 2: Capacity and throughput gain with 0.5ms TTI [5]Word‑p. 24

9.1.3  Simulation 3: Throughput and packet download time with reduced latency in LTE [3]Word‑p. 26

9.1.4  Simulation 4: Latency evaluation results for TTI reduction and Fast UL [6]Word‑p. 27

9.1.5  Simulation 5: System Performance with TTI shortening [6]Word‑p. 34

9.1.6  Simulation 6: Evaluation results for TTI reduction [6]Word‑p. 44

9.1.7  Simulation 7: Performance evaluation of latency reduction enhancements [6]Word‑p. 46

9.1.8  Simulation 8: TTI reduction gain with additional L1/L2 overhead [6]Word‑p. 52

9.1.9  Simulation 9: Effect of UE and eNB processing times on TCP performance [6]Word‑p. 54

9.1.10  Simulation 10: System Performance Gain with TTI reduction [6]Word‑p. 58

9.1.11  Simulation 11: TTI reduction gain with additional L2 overhead [9]Word‑p. 60

9.1.12  Simulation 12: TTI reduction gain with additional L2 overhead [10]Word‑p. 61

9.2  Protocol evaluations on Contention based PUSCH transmissionWord‑p. 64

9.3  Handover latency [11]Word‑p. 74

9.4  Findings from system evaluations on TTI reduction and reduced processing time

9.5  Findings from link evaluations on TTI reduction and reduced processing timeWord‑p. 76

10  Conclusion

A  Simulation assumptionsWord‑p. 79

B  System evaluation resultsWord‑p. 98

C  Link-level evaluation results

$  Change History


Up   Top