高精度的小灵通定位服务系统

12th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. PIMRC 2001. Proceedings (Cat. No.01TH8598) Pub Date : 2001-09-30 DOI:10.1109/PIMRC.2001.965261

T. Oono, R. Yamamoto, H. Matsuki, H. Matsutani, H. Ohtsuka, S. Onoe

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引用次数: 1

摘要

本文概述了用于个人手持电话系统(PHS)基础设施的高精度定位服务(LCS)系统。这是小灵通定位服务的升级版，小灵通定位服务已于一九九八年五月开始提供。介绍了系统的概念、系统结构和位置估计算法。并给出了现场试验结果。结果表明，与传统的基于cell- id的位置估计算法相比，该算法的位置估计误差降低了约50%。NTT DoCoMo Inc.于2001年2月启动了增强的小灵通LCS。

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Highly accurate PHS location service system

This paper overviews our highly accurate location service (LCS) system for the Personal Handy Phone System (PHS) infrastructure. It is an enhanced version of the PHS location service that commenced service in May 1998. The system concept, system configuration, and position estimation algorithm are described. Field test results are also presented. We show that the proposed position estimation algorithm reduces the position estimation error by about 50% compared to the conventional cell-ID-based algorithm. NTT DoCoMo Inc. started the enhanced PHS LCS in February 2001.

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12th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. PIMRC 2001. Proceedings (Cat. No.01TH8598)

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