云无线接入网的系统架构和技术演进  

System Architecture and Technology Evolutions in Cloud Radio Access Networks

作　　者：闫实[1] 王文博[1] 

机构地区：[1]北京邮电大学泛网无线通信教育部重点实验室,北京100876

出　　处：《电信科学》2014年第3期49-53,66,共6页Telecommunications Science

基　　金：国家重点基础研究发展计划("973"计划)基金资助项目(No.2013CB336600);北京市自然科学基金资助项目(No.4131003);"新一代宽带无线移动通信网"国家科技重大专项基金资助项目(No.2013ZX03001001;No.2012ZX03001031);教育部博士点学科专项科研基金资助项目(No.20120005140002)

摘　　要：云无线接入网(cloud radio access network,C-RAN)被认为是有望解决第五代移动通信(5G)技术服务需求问题的核心技术方案之一,已有研究表明C-RAN具有显著的技术优势,能有效提升网络的谱效率和能效率。总结了C-RAN的研究现状,给出了其系统架构和核心关键技术挑战,并讨论了C-RAN架构相比传统方案具有的优势和性能提升。Cloud radio access network （C-RAN） has been proposed as one of the most promising solutions to meet the service requirements of the fifth generation （SG） wireless communication systems. The published achievements indicate that C-RAN has many advantages, which can improve the spectrum efficiency and energy efficiency simultaneously. The state-of-the-art research achievements, system architecture and key technology challenges in C-RAN were studied. Furthermore, the performance gains over the traditional systems were introduced as well.

关 键 词：云无线接入网 5G 系统架构 技术演进 

分 类 号：TN925.93[电子电信—通信与信息系统]