GTI Sub-6GHz 5G Device Whitepaper_v1.0
Overview
Table of Contents
1 Executive Summary
2 Abbreviations
3 Introduction
4 References
5 Form Factor of 5G Device
6 General Description
6.1 System Description
6.1.1 Key System Requirements
6.1.2 Performance requirements
6.2 Physical Layer Requirements
6.2.1 Multiple numerologies
6.2.2 Flexible frame structure
6.2.3 Bandwidth part configuration and adaptation
6.2.4 Initial access
6.2.5 Waveform
6.2.6 Modulation
6.2.7 Multiple antenna techniques
6.2.8 Scheduling and HARQ timing
6.3 Upper Layer Requirements
6.3.1 Control Plane
6.3.2 User Plane
6.4 Summary
7 Multi-Mode Multi-Band
8 Network Access Capability
8.1 Connectivity Options in 3GPP
8.1.1 Standalone NR
8.1.2 Non-Standalone NR
8.2 Uplink Strategies for NR deployment
8.2.1 Uplink strategies for Standalone Operation
8.2.2 Uplink strategies for Non-Standalone Operation
9 Inter-RAT Interworking
9.1 NR mobility state transition
9.2 Inter-System Procedure
9.2.1 Interworking Procedures with N26 interface
9.2.2 Interworking Procedures without N26 interface
10 Voice Solution
10.1 Potential solutions
10.2 Summary
11 RF Performance
11.1 High Power UE
11.1.1 Motivation
11.1.2 3GPP Status
11.1.3 TX Front-end Status and Architecture for HPUE
11.1.4 Consideration on Thermal for HPUE
11.1.5 Consideration on SAR for HPUE
11.2 In-Device Interference
11.3 SUL
11.4 LTE and 5G NR RF path co-banding
11.4.1 Concept and Architecture of RF Path Co-banding
11.4.2 System-level Challenges
11.4.3 Way Forward on standalone support
11.4.4 Co-banding with simultaneous operation
12 Demodulation Performance
13 Power Consumption
13.1 Introduction
13.2 Key scenarios and performance metrics
13.2.1 A figure of merit (FOM) for power consumption
13.2.2 The power vs latency trade-off
13.2.3 Achieving power efficient VoNR and ViNR
13.2.4 Spectrum usage for NR
13.3 Power scaling from LTE to NR
13.3.1 Example power breakdown for an LTE UE
13.3.2 RF front end
13.3.3 Transceiver subsystem
13.3.4 Baseband processing
13.4 Managing UE power efficiently
13.4.1 Overtemperature protection
13.4.2 Bandwidth adaptation
13.4.3 Cross-slot scheduling
13.4.4 Power vs data rate
13.5 Implications for NR UEs
14 Test Requirements
14.1 Test areas for 5G sub-6G and challenges
14.1.1 Test challenges
14.1.2 Requirement for test equipment
14.2 Device test cycle and test solutions
14.3 Risks
15 Other Aspect
GTI Sub-6GHz 5G Device Whitepaper_v1.0