Positioning performance analysis and assessment for BDS B1 frequency based on simulation

2017 Forum on Cooperative Positioning and Service (CPGPS） Pub Date : 2017-05-01 DOI:10.1109/CPGPS.2017.8075150

Fucheng Song, Peng Gao, Shuangshuang Shi

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引用次数: 0

Abstract

Constellation of regional BDS has been completed with five Geostationary Earth Orbit (GEO) satellites, five Inclined Geosynchronous Satellite Orbit (IGSO) satellites and four Medium Earth Orbit (MEO) satellites, which can provide positioning, navigation, timing, short-message communication and other services for regional users. China's BDS continues to develop a global system in near future. In order to analyze and assess the positioning performance of BDS B1 frequency, we discuss and analyze the performance of regional BDS (5 GEO + 5 IGSO + 4 MEO) and global BDS (5 GEO + 3 IGSO + 27 MEO) with simulated data in term of satellite visibility, PDOP value and positioning accuracy in the most regions of China. Wuhan station is also selected to test positioning performance for a single day. The results show that the global BDS can provide Chinese users with better service. Compared with the regional BDS, the global BDS improves significantly. The number of average visible satellites increases by 8–10, the average PDOP value decreases by 1–3, and the average positioning accuracy increases by 2–3 m.

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基于仿真的BDS B1频率定位性能分析与评估

区域北斗系统星座已建成，包括5颗地球静止轨道卫星、5颗倾斜地球同步轨道卫星和4颗中地球轨道卫星，可为区域用户提供定位、导航、授时、短报文通信等服务。在不久的将来，中国的北斗系统将继续发展全球系统。为了分析和评估BDS B1频率的定位性能，利用模拟数据，从卫星能见度、PDOP值和定位精度等方面对中国大部分地区的区域BDS (5 GEO + 5 IGSO + 4 MEO)和全球BDS (5 GEO + 3 IGSO + 27 MEO)的定位性能进行了讨论和分析。还选择武汉站进行单日定位性能测试。结果表明，全球北斗系统可以为中国用户提供更好的服务。与区域北斗系统相比，全球北斗系统显著提升。平均可见卫星数增加8-10颗，平均PDOP值减少1-3颗，平均定位精度增加2-3 m。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2017 Forum on Cooperative Positioning and Service (CPGPS）

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