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Content for
TR 25.823
Word version: 8.0.0
1…
5…
5
Overview of issues relating to the synchronised E-DCH proposals
5.1
CDM Proposal
5.2
TDM Proposal
6
Performance Evaluation
6.1
Link level simulation analysis
6.2
System level simulation analysis
6.3
Complexity considerations
7
Impact of synchronised E-DCH to the specifications
7.1
CDM Proposal
7.2
TDM Proposal
7.3
Interference cancellation
8
Conclusion
$
Change history
5
Overview of issues relating to the synchronised E-DCH proposals
p. 7
5.1
CDM Proposal
p. 7
5.1.1
Scheduling & required control channels
p. 7
5.1.1.1
Background: HSUPA scheduling
p. 7
5.1.1.2
Scheduling for synchronised E-DCH
p. 8
5.1.1.3
Scheduling requests and unscheduled traffic
p. 9
5.1.1.4
Control channels required for scheduling
p. 10
5.1.2
Impact to L1 channel structure
p. 11
5.1.2.1
Downlink channel structure
p. 11
5.1.2.2
Uplink channel structure
p. 11
5.1.3
PAPR impacts
p. 12
5.1.4
Impact to L1 procedures
p. 20
5.1.5
Impact to L2 & L3 procedures
p. 21
5.1.6
Synchronisation
p. 21
5.1.6.1
Synchronisation requirements
p. 21
5.1.6.2
USTS Synchronisation
p. 22
5.1.6.3
Issues to consider
p. 23
5.1.7
Backward compatibility
p. 24
5.2
TDM Proposal
p. 24
5.2.1
Scheduling & required control channels
p. 24
5.2.2
Impact to L1 channel structure
p. 25
5.2.3
Impact to L1 procedures
p. 25
5.2.4
Impact to L2 & L3 procedures
p. 25
5.2.5
Synchronisation
p. 25
5.2.6
Backward compatibility
p. 25
6
Performance Evaluation
p. 26
6.1
Link level simulation analysis
p. 26
6.1.1
Link level simulation assumptions
p. 26
6.1.2
Link level simulation results (CDM Proposal)
p. 27
6.1.2.1
Spreading factor 16 Simulations
p. 27
6.1.2.2
Spreading factor 8 simulations
p. 31
6.1.2.3
Spreading factor 4 simulations
p. 35
6.1.2.4
Spreading factor 2/4 simulations
p. 39
6.1.3
Link Level Simulation results (Interference Cancellation)
p. 42
6.2
System level simulation analysis
p. 44
6.2.1
System level simulation assumptions
p. 44
6.2.1.1
Reference system deployments
p. 44
6.2.2
System level simulation results (CDM Proposal)
p. 45
6.2.3
System level simulation results (TDM Proposal)
p. 48
6.2.4
System level simulation results (Interference Cancellation)
p. 51
6.2.4.1
Intracell interference cancellation modeled using a percentage interference reduction
p. 51
6.2.4.2
System modeling of a specific algorithm
p. 52
6.2.4.3
Inter cell interference cancellation
p. 62
6.3
Complexity considerations
p. 62
6.3.1
CDM Proposal
p. 62
6.3.1.1
Terminal complexity
p. 62
6.3.1.2
Network complexity
p. 63
6.3.2
TDM Proposal.
p. 63
6.3.2.1
Terminal complexity
p. 63
6.3.2.2
Network complexity
p. 63
7
Impact of synchronised E-DCH to the specifications
p. 63
7.1
CDM Proposal
p. 63
7.1.1
WG1
p. 63
7.1.2
WG2
p. 64
7.1.3
WG3
p. 64
7.1.4
WG4
p. 64
7.2
TDM Proposal
p. 65
7.2.1
WG1
p. 65
7.2.2
WG2
p. 65
7.2.3
WG3
p. 66
7.2.4
WG4
p. 66
7.3
Interference cancellation
p. 66
7.3.1
WG1
p. 66
7.3.2
WG2
p. 66
7.3.3
WG3
p. 66
7.3.4
WG4
p. 66
8
Conclusion
p. 67
$
Change history
p. 68