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Content for
TR 25.706
Word version: 13.0.0
1…
5…
5
Study Areas
5.1
Mechanism to enhance downlink signalling performance
5.2
Downlink signalling performance enhancements
5.3
SRB coverage over HSPA enhancements
5.4
Extended RNTI
6
Impact on RAN WGs
A
Performance evaluation methodology
B
An example of signalling flows between a UE and network
C
A recorded trace of messages exchanged between a UE and RNC
$
Change History
5
Study Areas
5.1
Mechanism to enhance downlink signalling performance
5.1.1
Solutions
5.1.1.1
Reduced TPC frequency with repetition of TPC commands
5.1.1.2
Compressed mode operation
Word‑p. 8
5.1.1.3
Reduced TPC frequency with DTX of TPC commands
Word‑p. 9
5.1.2
Evaluation
5.1.2.1
Evaluation methodology
5.1.2.2
Downlink evaluation results ([4])
5.1.2.2.1
Link evaluation results
5.1.2.2.2
System evaluation results
Word‑p. 11
5.1.2.3
Downlink evaluation results ([5])
Word‑p. 18
5.1.2.4
Downlink evaluation results ([6])
Word‑p. 19
5.1.2.5
Uplink evaluation results
Word‑p. 21
5.1.2.5.1
Link evaluation results ([7])
5.1.2.5.2
Link evaluation results ([8])
Word‑p. 22
5.1.2.5.3
Link evaluation results ([9])
Word‑p. 24
5.1.2.5.4
Observations from the uplink evaluations
5.1.3
Impact on UE implementation
5.1.4
Requirement
Word‑p. 25
5.1.5
Conclusion
5.2
Downlink signalling performance enhancements
Word‑p. 26
5.2.1
Enhanced signalling on RRC parameters configuration
5.2.1.1
Background and motivation
5.2.1.2
Analysis
Word‑p. 27
5.2.1.3
Solutions
Word‑p. 28
5.2.1.3.1
Retrievable configuration in dedicated RRC signalling
5.2.1.3.2
Retrievable configuration in system information
Word‑p. 29
5.2.1.4
Conclusions
Word‑p. 30
5.2.2
Improved RRC synchronized procedures
5.2.2.1
Background and motivation
5.2.2.2
Analysis
Word‑p. 31
5.2.2.3
Solutions
5.2.2.3.1
Solution 1
5.2.2.3.3
Solution 2
Word‑p. 32
5.2.2.4
Conclusions
Word‑p. 33
5.2.3
State transition enhancements
Word‑p. 34
5.2.3.1
Background and motivation
5.2.3.2
Analysis
Word‑p. 35
5.2.3.3
Solutions
5.2.3.3.1
Solution 1
Word‑p. 36
5.2.3.3.2
Solution 2
5.2.3.3.3
Solution 3
Word‑p. 37
5.2.3.4
Conclusions
5.2.4
Seamless URA_PCH state transition to CELL_FACH
Word‑p. 38
5.2.4.1
Background and motivation
5.2.4.2
Analysis
5.2.4.3
Solutions
Word‑p. 39
5.2.4.3.1
Solution of the URA-wide RNTI
5.2.4.3.2
Solution of the cell-wide RNTI
Word‑p. 40
5.2.4.4
Conclusions
Word‑p. 42
5.2.5
Optimization from IDLE to CONNECTED state
Word‑p. 43
5.2.5.1
Background and motivation
5.2.5.2
Analysis
5.2.5.3
Solutions
Word‑p. 44
5.2.5.4
Conclusions
5.3
SRB coverage over HSPA enhancements
Word‑p. 45
5.3.1
Improved HARQ retransmission
5.3.1.1
Background and motivation
5.3.1.2
Analysis
5.3.1.3
Solutions
5.3.1.4
Evaluation
Word‑p. 46
5.3.1.5
Conclusions
Word‑p. 47
5.4
Extended RNTI
Word‑p. 48
5.4.1
Background and motivation
5.4.2
Analysis
5.4.3
Solutions
5.4.3.1
Solution 1
5.4.3.2
Solution 2
Word‑p. 49
5.4.4
Conclusions
Word‑p. 50
6
Impact on RAN WGs
6.1
Impact on RAN1 specifications
6.2
Impact on RAN2 specifications
Word‑p. 51
6.3
Impact on RAN3 specifications
6.4
Impact on RAN4 specifications
Word‑p. 52
A
Performance evaluation methodology
Word‑p. 53
A.1
Link simulation assumptions
A.2
System simulation assumptions
Word‑p. 54
B
An example of signalling flows between a UE and network
Word‑p. 56
C
A recorded trace of messages exchanged between a UE and RNC
Word‑p. 57
$
Change History
Word‑p. 58