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5.5Gへの将来を見越して:3GPP 5G標準化のアップデート

Looking Further Ahead to 5.5G

Updates on the 3GPP 5G Standardization Efforts

 

出版社 出版年月電子版価格 ページ数
Signals Research Group
シグナルズリサーチグループ社
2015年9月US$650
企業ライセンス
21

サマリー

This document contains a report preview for our recently published report on 5G that stemmed from our participation at the 5G RAN Plenary Workshop that was held in September in Phoenix, AZ. This report is part of an ongoing series of reports that we have planned on 5G and the overall standardization efforts associated with the RAN and CN. This report is included as part of a subscription to Signals Ahead or it can be purchased separately for $650.

Additionally, this document contains a list of past topics that we have covered over the last several months and a list of topics that we are considering for the coming months.

 

Updates on the 3GPP 5G RAN standardization efforts

We recently attended the 3GPP RAN workshop on 5G in Phoenix, AZ.  The two-day event brought together several hundred individuals from around the world who shared their companies’ visions for 5G, or what should probably be called IMT-2020.  In what could become a continuing series of reports over the next several years, we offer our initial take regarding the what, where, how, and why of whatever follows LTE-Advanced (Release 13).

Anyone that claims today to know the details surrounding 5G is either a clairvoyant, a liar, or a little bit of both.  The truth is that while there are a number of generally accepted principles regarding the requirements of 5G no one knows for certain when those requirements will be implemented (Phase 1 or Phase 2), or the detailed technical specifications regarding how they will be implemented.  At the moment there are enough flavors of OFDM being discussed to choke a horse so until general consensus is reached we have no intent on familiarizing ourselves with something that will eventually fall by the wayside.

In this issue of Signals Ahead, we discuss the 5G Use Cases, the similarities between the 5G standardization process and what happened with LTE, some of the technical features being proposed for 5G, and the risks that we see for the 5G standardization effort.



目次

Table of Contents
Introduction………………………………………………………………………………………… 3
5G – The Use Cases (What we know)… …………………………………………………………………… 6
5G – The Technologies (What we can only guess)……………………………………………………………12
5G – The Risks (What we believe)………………………………………………………………………………18
Final Thoughts………………………………………………………………………………………………… 20

Index of Figures & Tables

Figure 1. Separation of the Control and Data Planes… ………………………………………………………… 7
Figure 2. Non-Standalone versus Standalone 5G Networks… ………………………………………………… 9
Figure 3. V2X Use Cases… ………………………………………………………………………10
Figure 4. IoT and LTE-D………………………………………………………………………………… 11
Figure 5. Solving the Fronthaul Dilemma… ………………………………………………………………………12
Figure 6. Dynamic TDD Allocations and the Interference Conundrum… …………………………………13
Figure 7. Flexible Downlink and Uplink Configurations…………………………………………………14
Figure 8. Flexible Frame Structure………………………………………………………………………15
Figure 9. Flexible Frame Structure………………………………………………………………………15
Figure 10. Flexible Frame Structure… …………………………………………………………………15
Figure 11. Dual Connectivity………………………………………………………………………………16
Table 1. 3GPP Historical Release Timeline………………………………………………………………………18
Figure 12. 5G Standardization Timeline………………………………………………………………19

 

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