【摘要】 随着空间信息技术的发展,移动定位服务需要更高的定位精度。人们的活动范围越来越不确定,这给移动通信带来了无限商机和挑战,在此领域,日本处于世界领先地位,国内主要有Nokia、Ericsson、Motorola等。提出了一种基于GPS/CDMA集成的移动定位与服务技术,并分析了其中关键技术和实施的可行性。更多还原

【Abstract】 Along with the development of space information technique, the ambulation positioning needs higher accuracy.People’s movable scope is less and less certain,which brings infinite business opportunity and challenge to the mobile correspondence.In this field,Japan remains the leader,and Nokia、Ericsson and Motorola are popular in the main land.This paper puts forward positioning service technique that integrates GPS and CDMA,and analyzes the key technique and the possibility of implementation.更多还原