分层软小区无线接入网及其性能分析  

Hierarchical soft cellular radio access network and its performance analysis

作　　者：王晓东[1,2] 张小东 李剑[3] 王萍 

机构地区：[1]上海无线通信研究中心,上海200050 [2]海军航空工程学院电子工程系,烟台264001 [3]复旦大学电子工程系,上海200433

出　　处：《高技术通讯》2006年第5期458-462,共5页Chinese High Technology Letters

基　　金：863计划（2002AA123011）资助项目.

摘　　要：基于分布式天线系统的概念,提出了一种新型的无线接入网络结构--分层软小区（HSC）无线网络.该网络采用集中统一的资源管理策略,由软件控制多个天线端口形成软小区服务于移动终端,同时,按照资源的正交划分形成地域上重叠的多层不同大小和形状的软小区,以适应不同的用户场景.分析表明,分层软小区无线网络的系统容量、干扰、阻塞率等性能都比传统蜂窝网络有较大的提高.Based on the concept of distributed antenna system, a structure of a novel radio access network, named Hierarchical Soft Cellular （HSC） network is proposed. Logical structure and implementation methods for HSC are described in detail. In HSC, the soft cell is a set of some remote antenna units that are controlled to serve a ceaain mobile terminal simultaneously according to the uniform radio resource management strategy. In order to adapt various user scenarios, multilayer geographically overlapped soft cellular are constructed via orthogonal resource partition. These layers are different in their sizes, shapes and such. Comparisons of HSC with traditional cellular network and analysis show that HSC radio access network greatly increases the system capacity, interference performance and handover performance.

关 键 词：分布式天线系统 分层软小区 无线接入网络 

分 类 号：TN925.93[电子电信—通信与信息系统] TU984.12[电子电信—信息与通信工程]