(New) GTI Sub-6GHz 5G Device Whitepaper_v1.0_20171110

2017-11-10 18:26:00 | Source:

Overview

 

This Whitepaper targets enhanced Mobile Broadband (eMBB) scenario for Sub 6GHz frequency band and contains the key requirements and the hot topics of 5G pre-commercial device, e.g. Form Factor of 5G Device, Multi-Mode Multi-Band, Network Access Capability, Inter-working and Voice Solutions, RF Requirements, Demodulation Performance, Power Consumption and Device Testing, etc. This Whitepaper will benefit 5G industry partners to identify market needs and facilitate development of 5G device industry.

 

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_20171110 709ad4399390cf1cf7876e5e7f53a2f9.jpg

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