北斗三号全球导航卫星系统服务性能评估:定位导航授时、星基增强、精密单点定位、短报文通信与国际搜救

doi:10.11947/j.AGCS.2021.20200549

测绘学报 ›› 2021, Vol. 50 ›› Issue (4): 427-435.doi: 10.11947/j.AGCS.2021.20200549

• 北斗导航卫星系统 • 下一篇

北斗三号全球导航卫星系统服务性能评估:定位导航授时、星基增强、精密单点定位、短报文通信与国际搜救

蔡洪亮¹, 孟轶男¹, 耿长江², 高为广¹, 张天桥³, 李罡¹, 邵搏⁴, 辛洁³, 卢红洋⁵, 毛悦⁶, 袁海波⁷, 刘成¹, 胡小工⁸, 楼益栋⁹

1. 北京跟踪与通信技术研究所, 北京 100094;
2. 中国卫星导航系统管理办公室测试评估研究中心, 北京 100094;
3. 北京卫星导航中心, 北京 100094;
4. 中国电子科技集团公司第二十研究所, 陕西西安 710068;
5. 中国交通通信信息中心, 北京 100011;
6. 西安测绘研究所, 陕西西安 710054;
7. 中国科学院国家授时中心, 陕西西安 710600;
8. 中国科学院上海天文台, 上海 200030;
9. 武汉大学卫星导航定位技术研究中心, 湖北武汉 430079

收稿日期:2020-11-12 修回日期:2021-02-19 发布日期:2021-04-28
通讯作者: 耿长江 E-mail:gengchj@beidou.gov.cn
作者简介:蔡洪亮(1982—),男,助理研究员,研究方向为卫星导航系统总体设计与试验评估。E-mail:caibanyu@126.com

BDS-3 performance assessment:PNT, SBAS, PPP, SMC and SAR

CAI Hongliang¹, MENG Yinan¹, GENG Changjiang², GAO Weiguang¹, ZHANG Tianqiao³, LI Gang¹, SHAO Bo⁴, XIN Jie³, LU Hongyang⁵, MAO Yue⁶, YUAN Haibo⁷, LIU Cheng¹, HU Xiaogong⁸, LOU Yidong⁹

1. Beijing Institute of Tracking and Telecommunication Technology, Beijing 100094, China;
2. Test and Assessment Research Center of China Satellite Navigation Office, Beijing 100094, China;
3. Beijing Satellite Navigation Center, Beijing 100094, China;
4. The 20th Research Institute of CETC, Xi'an 710068, China;
5. China Transport Telecommunications and Information Center, Beijing 100011, China;
6. Xi'an Research Institute of Surveying and Mapping, Xi'an 710054, China;
7. National Timing Service Center, China Academy of Science, Xi'an 710600, China;
8. Shanghai Astronomical Observatory, China Academy of Science, Shanghai 200030, China;
9. GNSS Research Center of Wuhan University, Wuhan 430079, China

Received:2020-11-12 Revised:2021-02-19 Published:2021-04-28

摘要/Abstract

摘要： 本文给出了北斗三号全球导航卫星系统定位导航授时、星基增强、精密单点定位、区域短报文通信、全球短报文通信和国际搜救共6类服务的测试评估方法，并利用实测数据对各类服务的核心指标进行了评估。结果表明，定位导航授时服务方面，空间信号测距误差0.23 m（RMS），空间信号可用性99.44%，空间信号连续性99.99%，PDOP可用性100%，B1C信号全球定位精度水平方向1.31 m、垂直方向2.13 m（95%），B1C信号全球定位可用性99.93%，B1C信号授时精度14.7 ns（95%）；星基增强服务方面，定位精度水平方向1.03 m、垂直方向2.60 m（95%）、具有垂直引导能力的一类进近（APV-I）可用性100%；精密单点定位服务方面，定位精度水平方向0.17 m（95%）、垂直方向0.22 m（95%）、平均收敛时间9 min；区域短报文通信服务成功率99.6%，服务容量1530万次/h（上行）、935万次/h（下行）；全球短报文通信服务成功率96.46%，服务容量40万次/h（上行）、21万次/h（下行）；国际搜救服务方面，搜救信号接收成功率98.3%（发射功率37 dBm）。

关键词: 北斗三号全球导航卫星系统, 定位导航授时, 星基增强, 精密单点定位, 短报文通信, 搜救, 服务性能

Abstract: With algorithm and methods provided, performance of BDS-3 services including PNT (positioning, navigation and timing), SBAS (satellite-based augmentation system), PPP (precise point positioning), SMC (short message communication) and SAR (search and rescue) is evaluated using different measurement data. Results show that signal in space(SIS) accuracy is 0.23 m(RMS), SIS availability is 99.44%, SIS continuity is 99.99%, PDOP availability is 100%, positioning accuracy is 1.3 m in horizontal and 2.09 m in vertical direction, positioning availability is 99.93% and timing accuracy is 14.7 ns(95%) for PNT service. For SBAS, positioning accuracy in horizontal direction is 1.03 m and in vertical direction is 2.60 m (95%), APV-I availability is 100%. For PPP service, positioning accuracy is 0.17 m(95%) in horizontal direction and 0.22 m(95%) in vertical direction, the average convergence time is 9 min. For regional short message communication, the communication success rate is 99.6%, the communication capacity is 15.3 million times per hour(uplink), 9.35 million times per hour(downlink); while for global short message communication, communication success rate is 96.46%, communication capacity is 0.4 million times per hour (uplink), 0.21 million times per hour (downlink). For search and rescue service, the receiving success rate is 98.3%(with sending power 37 dBm).

Key words: BDS-3, PNT, SBAS, PPP,SMC, SAR, performance

中图分类号:

P228

蔡洪亮, 孟轶男, 耿长江, 高为广, 张天桥, 李罡, 邵搏, 辛洁, 卢红洋, 毛悦, 袁海波, 刘成, 胡小工, 楼益栋. 北斗三号全球导航卫星系统服务性能评估:定位导航授时、星基增强、精密单点定位、短报文通信与国际搜救[J]. 测绘学报, 2021, 50(4): 427-435.

CAI Hongliang, MENG Yinan, GENG Changjiang, GAO Weiguang, ZHANG Tianqiao, LI Gang, SHAO Bo, XIN Jie, LU Hongyang, MAO Yue, YUAN Haibo, LIU Cheng, HU Xiaogong, LOU Yidong. BDS-3 performance assessment:PNT, SBAS, PPP, SMC and SAR[J]. Acta Geodaetica et Cartographica Sinica, 2021, 50(4): 427-435.

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北斗三号全球导航卫星系统服务性能评估:定位导航授时、星基增强、精密单点定位、短报文通信与国际搜救

BDS-3 performance assessment:PNT, SBAS, PPP, SMC and SAR

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