VIRTUAL RATS AND A FLEXIBLE AND TAILORED RADIO ACCESS NETWORK EVOLVING TO 5G

被引：9
|
作者：
Chen, Shanzhi [1 ]
Zhao, Jian [1 ]
Ai, Ming [1 ]
Liu, Dake [2 ]
Peng, Ying [1 ]
机构：
[1] Datang Telecom Technol & Ind Grp, Beijing, Peoples R China
[2] Beijing Inst Technol, Beijing, Peoples R China
来源：
IEEE COMMUNICATIONS MAGAZINE | 2015年 / 53卷
基金：
中国国家自然科学基金;
关键词：
MOBILE; LTE;
D O I：
10.1109/MCOM.2015.7120045
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This article first analyzes the requirements and challenges in the future 5G mobile wireless network. Then the authors describe a new method for radio access technologies called virtual RATs. The proposed scheme can provide a flexible and tailored access network that can meet the requirements and overcome the challenges in mobile broadband networks. The authors also present a high level design of the overall architecture and protocol stack for virtual RATs. Two concepts, virtual RAT Types and interface sets, are introduced. Two essential features, flexible control/user (C/U) plane separation and coordination between virtual RATs, are also discussed. Examples are provided to show how to achieve a flexible and tailored access network for services by using virtual RATs. Finally, the capability of hardware to support implementation of virtual RATs is analyzed.
引用
收藏
页码：52 / 58
页数：7
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