超蜂窝网络分离方案设计与软件定义实现

发布时间：2018-01-08 19:19

本文关键词：超蜂窝网络分离方案设计与软件定义实现　出处：《中国科学:信息科学》2017年05期 　论文类型：期刊论文

【摘要】：针对移动通信网络数据业务急速增长带来的频谱资源紧张和系统能耗增加的问题,超蜂窝网络架构通过控制覆盖和业务覆盖的适度分离,引入基站的动态休眠和资源调度,从而大幅度提高网络的频谱效率和能量效率.但如何在不破坏用户终端协议栈的前提下实现蜂窝网络控制覆盖和业务覆盖的分离,是需要解决的问题.本文分析了GSM系统和LTE系统的主要信令流程及协议架构,提出了相应的超蜂窝网络设计方案,核心思路都是通过逻辑信道的划分实现基站功能的分离,进而实现控制覆盖和业务覆盖的分离.借助软件无线电设备,搭建了超蜂窝网络实验平台,对上述分离方案进行了初步的验证.本文还结合云计算技术和软件定义网络技术,设计了软件定义超蜂窝架构,并搭建了相应的云化超蜂窝网络演示平台.
[Abstract]:In order to solve the problem of the shortage of spectrum resources and the increase of system energy consumption caused by the rapid growth of data services in mobile communication networks, the supercellular network architecture separates the coverage from the service coverage. Dynamic sleep and resource scheduling of base station are introduced. Therefore, the spectrum efficiency and energy efficiency of the network are greatly improved, but how to separate the control coverage from the service coverage of the cellular network without destroying the user terminal protocol stack. This paper analyzes the main signaling flow and protocol architecture of GSM system and LTE system, and puts forward the corresponding design scheme of supercellular network. The core idea is to realize the separation of the base station function by dividing the logical channel, and then to separate the control coverage from the service coverage. With the help of software radio equipment, a super-cellular network experimental platform is built. Combined with cloud computing technology and software defined network technology, this paper also designed the software defined super cellular architecture, and built the corresponding cloud super cellular network demonstration platform.
【作者单位】：清华大学电子工程系;清华大学信息科学与技术国家实验室(筹);
【基金】：国家重点基础研究发展计划(973)(批准号:2012CB316000) 国家自然科学基金(批准号:61461136004,61571265,91638204)资助项目
【分类号】：TN929.5
【正文快照】： 1引言近年来,随着智能移动设备的普及和高速数据业务的兴起,移动通信网络的数据业务量正经历着爆炸式增长.思科公司白皮书[1]指出,2016年全球移动数据业务增长量达63%,移动视频业务占总数据业务的比重高达60%.该报告还预测到2021年,人均移动设备持有量将达到1.5个,移动网络

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