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Content for
TR 45.820
Word version: 13.1.0
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6.3…
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6.3
Narrowband GSM (N-GSM)
6.3.1
General
6.3.2
Downlink Physical layer design
6.3.3
Uplink Physical layer design
6.3.4
Logical channel mapping
6.3.5
Link layer aspects
6.3.6
Radio resource management
6.3.7
Compatibility aspects
6.3.8
Concept evaluation
6.3.9
Impact to GSM/EDGE BTS hardware
...
6.3
Narrowband GSM (N-GSM)
6.3.1
General
6.3.1.1
Key Concepts
6.3.1.2
Co-existence with GSM
6.3.1.3
Additional Benefits
6.3.2
Downlink Physical layer design
Word‑p. 133
6.3.2.1
Narrowing signal bandwidth with pre-coding
6.3.2.2
Logical channels for N-GSM
6.3.2.3
Burst formats
6.3.2.3.1
General
6.3.2.3.2
Burst format for Narrowband Normal Burst (N-NB)
Word‑p. 134
6.3.2.3.3
Burst format for Narrowband Synchronization Burst (N-SB)
6.3.2.4
Training sequences
6.3.2.5
Channel encoding
Word‑p. 135
6.3.2.5.1
N-SCH
6.3.2.5.2
N-BCCH
6.3.2.5.3
N-PCH
Word‑p. 136
6.3.2.5.4
N-AGCH
6.3.2.5.5
N-PDTCH
6.3.2.5.6
N-PACCH
Word‑p. 138
6.3.2.5.7
N-MAC/D
6.3.2.5.8
N-PCH Header
6.3.2.5.9
Summary of Downlink Coding Schemes
6.3.2.5.10
Interleaving
Word‑p. 139
6.3.2.6
Physical layer procedures
6.3.2.6.1
Cell Synchronization
6.3.2.6.2
Link Adaptation
Word‑p. 140
6.3.2.6.3
Power Control
6.3.2.6.4
Physical layer measurements
6.3.3
Uplink Physical layer design
6.3.3.1
Narrowing signal bandwidth with pre-coding
6.3.3.2
Logical channels for N-GSM
6.3.3.3
Burst formats
Word‑p. 141
6.3.3.3.0
General
6.3.3.3.1
Burst format for Narrowband Normal Burst (N-NB)
6.3.3.3.2
Burst format for Narrowband Access Burst (N-AB)
6.3.3.4
Training Sequences
6.3.3.5
Channel encoding
Word‑p. 142
6.3.3.5.0
General
6.3.3.5.1
N-RACH
6.3.3.5.2
N-PDTCH
6.3.3.5.3
N-PACCH
6.3.3.5.4
N-MAC/U
6.3.3.5.5
Summary of Uplink Coding Schemes
Word‑p. 143
6.3.3.6
Physical Layer procedures
6.3.3.6.1
Random Access
6.3.3.6.2
Spacing between repetitions
Word‑p. 144
6.3.3.6.3
Link Adaptation
6.3.3.6.4
Timing Advance
Word‑p. 145
6.3.3.6.5
Physical Layer Measurements
6.3.3.6.6
Power Control
6.3.3.6.7
Uplink scheduling
6.3.4
Logical channel mapping
6.3.4.1
N-SCH
6.3.4.2
N-BCCH
Word‑p. 146
6.3.4.3
N-PCH
6.3.4.4
N-AGCH
6.3.4.5
N-RACH
6.3.4.6
N-PDTCH
Word‑p. 147
6.3.4.7
N-PACCH
6.3.4.8
Mapping table
6.3.5
Link layer aspects
6.3.5.1
Multiplexing and Demultiplexing Principles
6.3.5.2
Adaptive Repetitions
Word‑p. 148
6.3.5.3
Paging Channel Operation
6.3.5.4
Random Access Procedure
6.3.5.4.1
General
6.3.5.4.2
Content of RACH and N-RACH Bursts for UL Data Transfer
6.3.5.4.3
Chase Combining for N-RACH bursts
Word‑p. 149
6.3.5.4.4
N-RACH message for sending paging response
6.3.5.4.5
Priority handling
6.3.6
Radio resource management
6.3.6.1
System Information
6.3.7
Compatibility aspects
Word‑p. 150
6.3.7.1
Performance Impact to / from legacy GPRS users
6.3.7.1.1
Simulation Assumptions
6.3.7.1.2
Impact to GPRS user from N-GSM interferer
Word‑p. 151
6.3.7.1.3
Impact to N-GSM user from GPRS interferer
Word‑p. 155
6.3.7.2
Spectral Properties
6.3.7.2.1
Modulation Spectrum
6.3.7.2.2
TX Intermodulation Spectrum
Word‑p. 156
6.3.7.2.3
Summary
Word‑p. 158
6.3.8
Concept evaluation
6.3.8.1
Training Sequence Design
6.3.8.1.1
N-SCH
6.3.8.1.2
N-RACH
6.3.8.2
Network Synchronization
Word‑p. 159
6.3.8.2.1
Evaluation Methodology
6.3.8.2.2
Simulation Assumptions
6.3.8.2.3
Sensitivity
Word‑p. 160
6.3.8.2.4
Synchronization Time
6.3.8.3
System Information Acquisition
Word‑p. 162
6.3.8.3.1
Simulation Assumptions
6.3.8.3.2
Simulation Results
Word‑p. 163
6.3.8.4
Random Access
6.3.8.5
Data Traffic Channel
6.3.8.6
Coverage improvement target using MCL methodology
6.3.8.6.1
Assumptions
6.3.8.6.2
Results for delay and throughput for uplink traffic channel
Word‑p. 164
6.3.8.6.3
Coverage Improvement Summarysummarizes
Word‑p. 165
6.3.8.7
Latency Analysis
Word‑p. 166
6.3.8.7.1
Exception Report Latency
6.3.8.8
Battery Lifetime Estimation
Word‑p. 169
6.3.9
Impact to GSM/EDGE BTS hardware
6.3.9.1
BTS Transmitter
6.3.9.1.1
Precoding
6.3.9.1.2
Impact due to spectral properties of the N-GSM waveform
6.3.9.1.3
N-MAC Header for adaptive chase combining
Word‑p. 170
6.3.9.1.4
Coding schemes for N-GSM
6.3.9.1.5
Synchronization channel for N-GSM
6.3.9.1.6
Synchronization channel for N-GSM
6.3.9.1.7
Impact to Transmitter Power Budget
6.3.9.1.8
Transmitter - Summary
6.3.9.2
BTS Receiver
6.3.9.2.1
Equalizer changes
Word‑p. 171
6.3.9.2.2
Extended TTI
6.3.9.2.3
Impacts from Fixed / Adaptive chase combining
6.3.9.2.4
N-RACH burst format changes
Word‑p. 172
6.3.9.2.5
N-RACH repetitions and chase combining
6.3.9.2.6
Receiver - Summary
Word‑p. 173
6.3.9.3
Conclusion