基于现有分布系统的TD-SCDMA地铁覆盖增强方案研究  

Enhanced TD-SCDMA Metro Coverage Solutions Based on Present Distribution Network

作　　者：阴启明 许剑萍 孟忻 

机构地区：[1]中国移动通信集团上海有限公司,上海200060

出　　处：《电信科学》2008年第4期26-32,共7页Telecommunications Science

摘　　要：本文针对TD-SCDMA技术在地下轨道交通环境下的业务弱覆盖问题,通过引入多址单小区、多通道功率合路等网络设计和设备改造方面的创新技术,充分发挥了现有室内分布系统的潜力,显著提高了地铁隧道内业务覆盖距离。Based on present underground railway distribution system, TD-SCDMA metro coverage solutions achieve the remarkable results in service-coverage extension to conquer the discrete coverage problem by the applications of creative methods, such as distributed cell combination and multi-channel power combination in network planning and device improvements respectively.

关 键 词：TD-SCDMA 多系统合路平台 地铁 室内分布系统 多通道合路 多址单小区 

分 类 号：TN929.5[电子电信—通信与信息系统] TN916.9[电子电信—信息与通信工程]