Tech-
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3GPP
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IETF
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Content for
TR 36.912
Word version: 18.0.0
1…
2…
2
References
3
Definitions, symbols and abbreviations
4
Introduction
5
Support of wider bandwidth
6
Uplink transmission scheme
7
Downlink transmission scheme
8
Coordinated multiple point transmission and reception
9
Relaying
10
Improvement for latency
11
Radio transmission and reception
12
Mobility enhancements
13
TS 36.133 [17] requirements enhancements
14
MBMS Enhancements
15
SON Enhancements
16
Self-Evaluation Report on "LTE Release 10 and beyond (LTE-Advanced)"
16A
Performance Evaluation of LTE-Advanced for 3GPP target fulfillment
17
Conclusions
A
Simulation model
B
Latency performance of Rel-8
C
ITU-R Submission Templates
$
Change History
2
References
p. 7
3
Definitions, symbols and abbreviations
p. 8
3.1
Definitions
p. 8
3.2
Symbols
p. 8
3.3
Abbreviations
p. 8
4
Introduction
p. 8
5
Support of wider bandwidth
p. 8
5.1
General
p. 8
5.1A
Physical layer
p. 9
5.1A.1
DL control signalling
p. 9
5.1A.2
UL control signalling
p. 9
5.2
User Plane
p. 10
5.2.1
Structure
p. 10
5.2.2
MAC
p. 11
5.2.3
RLC
p. 11
5.2.4
PDCP
p. 11
5.3
Control plane
p. 11
5.3.1
Structure
p. 11
5.3.2
RRC procedures
p. 12
5.3.2.1
System Information
p. 12
5.3.2.2
Connection Control
p. 12
5.3.2.3
Measurements
p. 12
5.3.3
Idle mode procedures
p. 12
6
Uplink transmission scheme
p. 12
6.1
Uplink spatial multiplexing
p. 12
6.1A
Uplink transmit diversity
p. 14
6.1A.1
Transmit Diversity for Uplink Control Channel
p. 14
6.2
Uplink multiple access
p. 14
6.3
Uplink reference signals
p. 15
6.4
Uplink power control
p. 15
7
Downlink transmission scheme
p. 15
7.0
Physical channel mapping
p. 15
7.1
Downlink spatial multiplexing
p. 15
7.1.1
Feedback in support of downlink spatial multiplexing
p. 16
7.2
Downlink reference signals
p. 16
7.3
Downlink transmit diversity
p. 17
8
Coordinated multiple point transmission and reception
p. 17
8.1
Downlink coordinated multi-point transmission
p. 17
8.2
Uplink coordinated multi-point reception
p. 17
9
Relaying
p. 17
9.1
General
p. 17
9.2
Architecture
p. 18
9.3
Relay-eNodeB link for inband relay
p. 18
9.3.1
Resource partitioning for relay-eNodeB link
p. 18
9.3.2
Backward compatible backhaul partitioning
p. 19
9.3.3
Backhaul resource assignment
p. 19
9.4
Relay-eNodeB link for outband relay
p. 20
10
Improvement for latency
p. 20
10.1
Improvement for C-Plane latency
p. 20
10.2
Improvement for U-Plane latency
p. 21
11
Radio transmission and reception
p. 21
11.1
RF scenarios
p. 21
11.1.1
Deployment scenarios
p. 21
11.2
Common requirements for UE and BS
p. 21
11.2.1
Carrier Aggregation
p. 21
11.2.1.1
Bandwidth configuration of component carriers
p. 21
11.2.1.2
Carrier spacing between component carriers
p. 21
11.2.2
Operating bands
p. 22
11.3
UE RF requirements
p. 23
11.3.1
General
p. 23
11.3.2
Transmitter characteristics
p. 23
11.3.2.1
Transmitter architecture
p. 23
11.3.2.2
Transmit power
p. 24
11.3.2.3
Output power dynamics
p. 24
11.3.2.4
Transmit signal quality
p. 25
11.3.2.5
Output RF spectrum emissions
p. 25
11.3.2.5.1
Adjacent Channel Leakage ratio
p. 25
11.3.2.5.2
Spurious emission (UE to UE co-existence)
p. 25
11.3.2.6
Transmit intermodulation
p. 25
11.3.3
Receiver characteristics
p. 25
11.3.3.1
Receiver architecture
p. 26
11.3.3.2
Receiver Sensitivity
p. 26
11.3.3.3
Selectivity
p. 26
11.3.3.4
Blocking performance
p. 27
11.3.3.5
Spurious response
p. 27
11.3.3.6
Intermodulation performance
p. 27
11.3.3.7
Spurious emission
p. 27
11.4
BS RF requirements
p. 27
11.4.1
General
p. 27
11.4.2
Transmitter characteristics
p. 28
11.4.2.1
Base Station output power
p. 28
11.4.2.2
Transmitted signal quality
p. 28
11.4.2.3
Unwanted emissions
p. 28
11.4.2.4
Transmitter spurious emissions
p. 29
11.4.3
Receiver characteristics
p. 29
11.4.3.1
Reference sensitivity level
p. 29
11.4.3.2
Adjacent Channel Selectivity (ACS), narrow-band blocking, Blocking, Receiver intermodulation
p. 29
11.4.3.3
Performance requirements
p. 29
12
Mobility enhancements
p. 29
13
TS 36.133 [17] requirements enhancements
p. 30
14
MBMS Enhancements
p. 30
15
SON Enhancements
p. 30
16
Self-Evaluation Report on "LTE Release 10 and beyond (LTE-Advanced)"
p. 31
16.1
Peak spectral efficiency
p. 31
16.2
C-plane latency
p. 32
16.2.1
Idle to Connected
p. 32
16.2.2
Dormant to Active
p. 34
16.3
U-Plane latency
p. 35
16.4
Spectral efficiency and user throughput
p. 35
16.4.1
Cell spectral efficiency and cell-edge spectral efficiency
p. 35
16.4.1.1
Indoor
p. 35
16.4.1.2
Microcellular
p. 36
16.4.1.3
Base coverage urban
p. 37
16.4.1.4
High speed
p. 38
16.4.2
Number of supported VoIP users
p. 40
16.4.3
Mobility traffic channel link data rates
p. 40
16.5
Handover Performance
p. 41
16.5.1
Intra-frequency handover interruption time
p. 43
16.5.2
Inter-frequency handover interruption time within a spectrum band
p. 43
16.5.3
Inter-frequency handover interruption time between spectrum bands
p. 43
16.6
Spectrum and bandwidth
p. 43
16.6.1
Deployment in IMT bands
p. 43
16.6.2
Bandwidth and channel bandwidth scalability
p. 44
16.7
Services
p. 44
16.8
Conclusions of the Self-Evaluation
p. 44
16A
Performance Evaluation of LTE-Advanced for 3GPP target fulfillment
p. 45
17
Conclusions
p. 47
A
Simulation model
p. 48
A.1
General assumption
p. 48
A.2
CoMP assumption for evaluation
p. 50
A.3
Detailed simulation results
p. 50
B
Latency performance of Rel-8
p. 51
B.1
C-plane latency
p. 51
B.1.1
Transition IDLE to CONNECTED
p. 51
B.1.1.1
FDD frame structure
p. 51
B.1.1.2
TDD frame structure
p. 52
B.1.2
Transition Dormant to Active
p. 53
B.1.2.1
FDD frame structure
p. 54
B.1.2.1.1
Uplink initiated transition, synchronized
p. 54
B.1.2.1.2
Uplink initiated transition, unsynchronized
p. 54
B.1.2.1.3
Downlink initiated transition, synchronized
p. 54
B.1.2.1.4
Downlink initiated transition, unsynchronized
p. 54
B.1.2.2
TDD frame structure
p. 55
B.1.2.2.1
Uplink initiated transition, synchronized
p. 55
B.1.2.2.2
Uplink initiated transition, unsynchronized
p. 55
B.1.2.2.3
Downlink initiated transition, synchronized
p. 56
B.1.2.2.4
Downlink initiated transition, unsynchronized
p. 56
B.2
U-plane latency
p. 57
B.2.1
FDD frame structure
p. 57
B.2.2
TDD frame structure
p. 58
C
ITU-R Submission Templates
p. 61
C.1
Description template - characteristics (4.2.3.2)
p. 61
C.2
Description template - link budget (4.2.3.3)
p. 61
C.3
Compliance templates for services (4.2.4.1), for spectrum (4.2.4.2), technical performance (4.2.4.3)
p. 61
$
Change History
p. 62