摘要
CDMA无线位置服务是一项刚刚兴起的移动数据业务,国内目前尚无此项服务,在全球范围内也只有少数几个运营商开展了这项业务。详细介绍了目前主要的几种定位技术方案,并进行了比较,同时介绍了CDMA无线定位系统的结构及其定位信息的承载协议,还提出了两类定位信息传输系统实现方案。
CDMA wireless position -based service is a new mobile data ser-vice,which started in recent years.Up to now,there is no such service in China.Only few opera tors all over the world have provided this service.Sev-eral positioning technolo gies are de-scribed in detail in this paper.Mean-while,archi tectures of CDMA wireless positioning system and carrier pro tocols for positioning informa tion are in tro-duced.More over,two kinds of solu-tions for positioning in forma tion trans -mis sion system are put forward in this paper.
出处
《现代电信科技》
2002年第10期9-12,共4页
Modern Science & Technology of Telecommunications
