Tech-
invite
3GPP
space
IETF
space
21
22
23
24
25
26
27
28
29
31
32
33
34
35
36
37
38
4‑5x
Content for
TR 36.819
Word version: 11.2.0
1…
2…
2
References
3
Definitions, symbols and abbreviations
4
Introduction
5
Downlink coordinated multiple point transmission
6
Uplink coordinated multiple point reception
7
Evaluation of coordinated multiple point transmission/reception
8
Conclusion
A
Simulation model
$
Change History
2
References
p. 6
3
Definitions, symbols and abbreviations
p. 6
3.1
Definitions
p. 6
3.2
Symbols
p. 6
3.3
Abbreviations
p. 6
4
Introduction
p. 7
5
Downlink coordinated multiple point transmission
p. 7
5.1
Terminology and definitions
p. 7
5.1.1
General terminology
p. 7
5.1.2
CoMP scenarios
p. 7
5.1.2A
CoMP deployment
p. 8
5.1.3
CoMP categories
p. 8
5.1.4
CoMP sets
p. 9
5.2
Radio interface aspects
p. 10
5.2.1
DL signalling support for DL CoMP
p. 10
5.2.2
Channel state information feedback for DL CoMP
p. 11
5.2.2.1
Explicit feedback
p. 12
5.2.2.2
Implicit feedback
p. 13
5.2.2.3
SRS
p. 13
5.2.3
Decision on CoMP sets
p. 14
5.2.4
DL Reference signal design
p. 14
5.3
Overhead in support of DL CoMP
p. 14
5.4
Receiver implementation consideration aspects
p. 14
5.5
Inter/Intra-site backhauling support for downlink CoMP
p. 15
6
Uplink coordinated multiple point reception
p. 15
6.1
Terminology and definitions
p. 15
6.1.1
General terminology
p. 15
6.1.2
CoMP scenarios
p. 15
6.1.3
CoMP categories
p. 15
6.1.4
CoMP sets
p. 15
6.2
Radio interface aspects
p. 16
6.3
Overhead in support of UL CoMP
p. 16
6.4
Inter/Intra-site backhauling support for uplink CoMP
p. 16
7
Evaluation of coordinated multiple point transmission/reception
p. 17
7.1
Scenario 1: Homogeneous network with intra-site CoMP
p. 18
7.1.1
3GPP Case1 (3GPP spatial channel model)
p. 18
7.1.1.1
FDD, Downlink
p. 18
7.1.1.2
TDD, Downlink
p. 23
7.1.1.3
Uplink
p. 24
7.1.2
ITU channel model
p. 26
7.1.2.1
FDD, Downlink
p. 26
7.1.2.2
TDD, Downlink
p. 28
7.2
Scenario 2: Homogeneous network with high Tx power RRHs
p. 30
7.2.1
3GPP Case1 (3GPP spatial channel model)
p. 30
7.2.1.1
FDD, Downlink
p. 30
7.2.1.2
TDD, Downlink
p. 38
7.2.1.3
Uplink
p. 41
7.2.2
ITU channel model
p. 43
7.2.2.1
FDD, Downlink
p. 43
7.2.2.2
TDD, Downlink
p. 51
7.3
Scenario 3 and 4: Heterogeneous network with low power RRHs within the macrocell coverage
p. 53
7.3.1
FDD Downlink
p. 53
7.3.1.1
Full Buffer Traffic Model
p. 53
7.3.1.2
FTP Traffic Model
p. 54
7.3.2
FDD Uplink
p. 55
7.3.3
TDD Downlink
p. 56
7.4
Impact of constraints from lower capacity/higher latency communication between points
p. 56
7.5
Observations
p. 59
7.5.1
Scenarios 1 and 2
p. 59
7.5.2
Scenarios 3 and 4
p. 59
7.5.3
Impact of constraints from lower capacity/higher latency communication between points
p. 59
8
Conclusion
p. 59
A
Simulation model
p. 61
A.1
CoMP system-level simulation assumptions
p. 61
A.2
References
p. 69
$
Change History
p. 70