Article(id=1251856524801421870, tenantId=1146029695717560320, journalId=1251234268282663017, issueId=1251856520619700745, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1003-3106.2025.11.007, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1752508800000, receivedDateStr=2025-07-15, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1776395453881, onlineDateStr=2026-04-17, pubDate=1762272000000, pubDateStr=2025-11-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1776395453881, onlineIssueDateStr=2026-04-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1776395453881, creator=13701087609, updateTime=1776395453881, updator=13701087609, issue=Issue{id=1251856520619700745, tenantId=1146029695717560320, journalId=1251234268282663017, year='2025', volume='55', issue='11', pageStart='2131', pageEnd='2324', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1776395452885, creator=13701087609, updateTime=1776395571911, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1251857019939013255, tenantId=1146029695717560320, journalId=1251234268282663017, issueId=1251856520619700745, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1251857019939013256, tenantId=1146029695717560320, journalId=1251234268282663017, issueId=1251856520619700745, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=2195, endPage=2205, ext={EN=ArticleExt(id=1251856525090828859, articleId=1251856524801421870, tenantId=1146029695717560320, journalId=1251234268282663017, language=EN, title=Analysis of Impact of BDS Smooth Transition on Navigation Receiver Service Performance, columnId=1251856525023719991, journalTitle=Radio Engineering, columnName=TT&C, Remote Sensing and Navigation & Positioning, runingTitle=null, highlight=null, articleAbstract=
Beidou Satellite Navigation System (BDS) navigation receiver has the functions of Positioning, Navigation, and Timing (PNT) and message communication, and has been widely used in various industries. Under the background of the smooth transition from BDS-2 regional system to BDS-3 global system, its influence on the service performance of the navigation receiver and countermeasures are studied. The differences between BDS-2 and BDS-3 in signal type, signal system, constellation scale and service performance are compared, and the specific manifestations and state change trends of BDS smooth transition are expounded. The impact of the smooth transition of BDS on the service performance of navigation receiver is analyzed emphatically, including navigation and positioning, message communication and anti-suppression-jamming ability. The simulation results show that the RDSS message communication service can still be used normally during the smooth transition period of BDS-2 receiver ( PRN01~37). With the progressive retirement of BDS-2 satellite, the number of satellites available in space will gradually decrease from 33 to 18, the average number of satellites visible worldwide will decrease from 11.62 to 6.31, the average Geometric Dilution Precision (GDOP) value will increase from 2.00 to 3.15, and the continuous availability of services will decrease from 93% to 46.46%, which will affect the positioning accuracy and service range. When the power of BDS-3 satellite is enhanced, the navigation receiver can obtain 7~15 dB improvement in anti-suppression-jamming ability. According to the different application scenarios of the navigation receiver, the corresponding countermeasures are given to weaken or eliminate the impact, so that the navigation receiver can continuously provide reliable services for users during the smooth transition of the BDS. The research results can provide reference for the design, development and application of BDS navigation receivers.
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北斗卫星导航系统(BeiDou Satellite Navigation System,BDS)接收机具备定位、导航、授时(Positioning,Navigation and Timing,PNT)和报文通信功能,在各行业中得到广泛应用。以北斗二号(BDS-2)区域系统向北斗三号(BDS-3)全球系统平稳过渡为背景,研究其对导航接收机服务性能影响及应对措施。通过对比BDS-2与BDS-3系统在信号类型、信号体制、星座规模和服务性能等方面的差异,阐述BDS平稳过渡的具体表现形式和状态变化趋势。重点分析BDS平稳过渡对导航接收机报文通信、导航定位、抗压制干扰等服务性能产生的影响。仿真结果表明,BDS-2接收机(PRN01~37)在平稳过渡期间,RDSS报文通信服务仍可正常使用;随着BDS-2卫星的陆续退役,空间可用卫星数将逐渐由33颗减少到18颗,全球范围内平均可见卫星数由11.62颗减少至6.31颗,平均几何精度因子(Geometric Dilution Precision,GDOP)值由2.00增加至3.15,服务连续可用性由93%降低到46.46%,定位精度和服务范围均受到影响;BDS-3卫星实施功率增强时,导航接收机可获得7~15 dB的抗压制干扰能力提升。针对导航接收机不同应用场景分别给出减弱或消除影响的应对措施,使导航接收机在BDS平稳过渡期间能够持续为用户提供可靠服务。研究成果可为北斗导航接收机的设计、研制和应用提供参考。
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吕志成 男,(1982—),博士,副研究员。主要研究方向:卫星导航建模仿真与测试评估技术。
高沙沙 男,(1986—),工程师。主要研究方向:卫星导航集成应用与试验验证技术。
张悦 男,(1989—),工程师。主要研究方向:卫星导航终端安全运用与维护保障。
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1.College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1251856529767477984, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, authorId=1251856529536791247, language=CN, stringName=吕志成, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.国防科技大学 电子科学学院,湖南 长沙 410073, bio={"content":"
吕志成 男,(1982—),博士,副研究员。主要研究方向:卫星导航建模仿真与测试评估技术。
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吕志成 男,(1982—),博士,副研究员。主要研究方向:卫星导航建模仿真与测试评估技术。
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2.Unit 69016, PLA , Urumqi 830102, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1251856531571028733, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, authorId=1251856529893307111, language=CN, stringName=高沙沙, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.中国人民解放军69016 部队,新疆 乌鲁木齐 830102, bio={"content":"
高沙沙 男,(1986—),工程师。主要研究方向:卫星导航集成应用与试验验证技术。
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高沙沙 男,(1986—),工程师。主要研究方向:卫星导航集成应用与试验验证技术。
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张悦 男,(1989—),工程师。主要研究方向:卫星导航终端安全运用与维护保障。
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张悦 男,(1989—),工程师。主要研究方向:卫星导航终端安全运用与维护保障。
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2022., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1251856529255772855, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, xref=1., ext=[AuthorCompanyExt(id=1251856529276744377, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, companyId=1251856529255772855, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.College of Electronic Science and Technology, National University of Defense Technology, Changsha 410073, China), AuthorCompanyExt(id=1251856529310298812, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, companyId=1251856529255772855, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.国防科技大学 电子科学学院,湖南 长沙 410073)]), AuthorCompany(id=1251856529410962115, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, xref=2., ext=[AuthorCompanyExt(id=1251856529427739334, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, companyId=1251856529410962115, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Unit 69016, PLA , Urumqi 830102, China), AuthorCompanyExt(id=1251856529436127944, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, companyId=1251856529410962115, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.中国人民解放军69016 部队,新疆 乌鲁木齐 830102)])], figs=[ArticleFig(id=1251856532862874436, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=EN, label=Fig.1, caption=
Signal broadcast situation of BDS, figureFileSmall=vqyiq8Xe4QgRt4WduZZwxA==, figureFileBig=Ku6aiRUgcbC7o/dU0JHS5Q==, tableContent=null), ArticleFig(id=1251856532942566215, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=CN, label=图1, caption=
BDS卫星播发信号情况, figureFileSmall=vqyiq8Xe4QgRt4WduZZwxA==, figureFileBig=Ku6aiRUgcbC7o/dU0JHS5Q==, tableContent=null), ArticleFig(id=1251856533156475731, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=EN, label=Fig.2, caption=
Global system service performance analysis of Senario 1, figureFileSmall=i4mYICb4QG4toTjASlNtUA==, figureFileBig=fVcqnkbHDmP2Jj2Jg9Wu0A==, tableContent=null), ArticleFig(id=1251856533248750427, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=CN, label=图2, caption=
场景一全球范围系统服务性能分析, figureFileSmall=i4mYICb4QG4toTjASlNtUA==, figureFileBig=fVcqnkbHDmP2Jj2Jg9Wu0A==, tableContent=null), ArticleFig(id=1251856533324247905, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=EN, label=Fig.3, caption=
Global system service performance analysis of Scenario 2, figureFileSmall=mvskEBZbT7JCAFcC+BA7mg==, figureFileBig=cMqEixxWVLo0wUPDs7+h2Q==, tableContent=null), ArticleFig(id=1251856533387162470, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=CN, label=图3, caption=
场景二全球范围系统服务性能分析, figureFileSmall=mvskEBZbT7JCAFcC+BA7mg==, figureFileBig=cMqEixxWVLo0wUPDs7+h2Q==, tableContent=null), ArticleFig(id=1251856533475242862, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=EN, label=Fig.4, caption=
Global system service performance analysis of Scenario 3, figureFileSmall=wuXyu9NWoo17HZJeTjZvUw==, figureFileBig=ZG808139p5WJN2nRkhWu5w==, tableContent=null), ArticleFig(id=1251856533550740344, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=CN, label=图4, caption=
场景三全球范围系统服务性能分析, figureFileSmall=wuXyu9NWoo17HZJeTjZvUw==, figureFileBig=ZG808139p5WJN2nRkhWu5w==, tableContent=null), ArticleFig(id=1251856533659792254, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=EN, label=Fig.5, caption=
Global system service performance analysis of Scenario 4, figureFileSmall=TFF7je0ujeOLoeb6kCNvKA==, figureFileBig=hMwkkayykzbor5zb8MlqOQ==, tableContent=null), ArticleFig(id=1251856533735289730, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=CN, label=图5, caption=
场景四全球范围系统服务性能分析, figureFileSmall=TFF7je0ujeOLoeb6kCNvKA==, figureFileBig=hMwkkayykzbor5zb8MlqOQ==, tableContent=null), ArticleFig(id=1251856533831758730, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=EN, label=Fig.6, caption=
Global system service performance analysis of Scenario 5, figureFileSmall=nDR2hqDquFrnBTqqdkqh4w==, figureFileBig=fpA/qxPAfaSyJo8lfvzbwQ==, tableContent=null), ArticleFig(id=1251856533932422031, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=CN, label=图6, caption=
场景五全球范围系统服务性能分析, figureFileSmall=nDR2hqDquFrnBTqqdkqh4w==, figureFileBig=fpA/qxPAfaSyJo8lfvzbwQ==, tableContent=null), ArticleFig(id=1251856534020502422, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=EN, label=Fig.7, caption=
Indoor wired testing platform, figureFileSmall=yUVLWCD7SfHuGPyXXX3G5g==, figureFileBig=QzyGYwNZrGwsuB8Aaf4soQ==, tableContent=null), ArticleFig(id=1251856534108582812, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=CN, label=图7, caption=
室内有线测试平台, figureFileSmall=yUVLWCD7SfHuGPyXXX3G5g==, figureFileBig=QzyGYwNZrGwsuB8Aaf4soQ==, tableContent=null), ArticleFig(id=1251856534205051816, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=EN, label=Fig.8, caption=
Curve of anti-jamming tolerance variation with power enhancement amplitude under different carrier to noise ratio threshold conditions, figureFileSmall=k0f0Jswx5uHl/KAZb4FQaw==, figureFileBig=6+RPXt9Cj2yn7igqYRWQOg==, tableContent=null), ArticleFig(id=1251856534305715116, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=CN, label=图8, caption=
不同载噪比门限条件下抗干扰容限随功率增强幅度变化曲线, figureFileSmall=k0f0Jswx5uHl/KAZb4FQaw==, figureFileBig=6+RPXt9Cj2yn7igqYRWQOg==, tableContent=null), ArticleFig(id=1251856534381212598, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=EN, label=Fig.9, caption=
Curve of effective jamming distance with jamming-to-signal ratio threshold under different power enhancement amplitudes, figureFileSmall=j4Lm1aS05YJO8Kq0N0HFVQ==, figureFileBig=swBxIfw4HrxGlnQh1hWwuw==, tableContent=null), ArticleFig(id=1251856534444127166, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=CN, label=图9, caption=
不同功率增强幅度条件下有效干扰距离随干信比门限变化曲线, figureFileSmall=j4Lm1aS05YJO8Kq0N0HFVQ==, figureFileBig=swBxIfw4HrxGlnQh1hWwuw==, tableContent=null), ArticleFig(id=1251856536042157000, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=EN, label=Tab.1, caption=
Signal characteristic parameters of BDS
, figureFileSmall=null, figureFileBig=null, tableContent=
| 系统 | 信号 | 载波频率/MHz | 调制方式 | 符号速率/(sym/s) | 最小功率/dBW |
|---|
| BDS-2 | B1I B2I B3I | 1561.098 1207.140 1268.520 | BPSK(2) BPSK(2) BPSK(10) | 50 50 50 | -163 -163 -163 |
| BDS-3 | B1C | GEO | BPSK(1) | 500 | -161~-153 |
| IGSO/MEO | 1575.420 | 数据分量:BOC(1,1) 导频分量:QMBOC(6,1,4/33) | 数据分量:100 导频分量:0 | -159/-161 |
| B2a | GEO | | BPSK(1) | 500 | -156 |
| IGSO/MEO | 1176.450 | 数据分量:BPSK(10) 导频分量:BPSK(10) | 数据分量:200 导频分量:0 | -158 |
| B2b | GEO IGSO/MEO | 1207.140 | BPSK(10) BPSK(10) | 1000 1000 | -160 -162/-160 |
), ArticleFig(id=1251856536142820306, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=CN, label=表1, caption=
BDS导航信号特征参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 系统 | 信号 | 载波频率/MHz | 调制方式 | 符号速率/(sym/s) | 最小功率/dBW |
|---|
| BDS-2 | B1I B2I B3I | 1561.098 1207.140 1268.520 | BPSK(2) BPSK(2) BPSK(10) | 50 50 50 | -163 -163 -163 |
| BDS-3 | B1C | GEO | BPSK(1) | 500 | -161~-153 |
| IGSO/MEO | 1575.420 | 数据分量:BOC(1,1) 导频分量:QMBOC(6,1,4/33) | 数据分量:100 导频分量:0 | -159/-161 |
| B2a | GEO | | BPSK(1) | 500 | -156 |
| IGSO/MEO | 1176.450 | 数据分量:BPSK(10) 导频分量:BPSK(10) | 数据分量:200 导频分量:0 | -158 |
| B2b | GEO IGSO/MEO | 1207.140 | BPSK(10) BPSK(10) | 1000 1000 | -160 -162/-160 |
), ArticleFig(id=1251856536247677916, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=EN, label=Tab.2, caption=
Working satellites of BDS in orbit
, figureFileSmall=null, figureFileBig=null, tableContent=
| PRN | SVN | 卫星类型 |
|---|
| 01 | GEO-8 | BDS-2 |
| 02 | GEO-6 | BDS-2 |
| 03 | GEO-7 | BDS-2 |
| 04 | GEO-4 | BDS-2 |
| 05 | GEO-5 | BDS-2 |
| 06 | IGSO-1 | BDS-2 |
| 07 | IGSO-2 | BDS-2 |
| 08 | IGSO-3 | BDS-2 |
| 09 | IGSO-4 | BDS-2 |
| 10 | IGSO-5 | BDS-2 |
| 11 | MEO-3 | BDS-2 |
| 12 | MEO-4 | BDS-2 |
| 13 | IGSO-6 | BDS-2 |
| 14 | MEO-6 | BDS-2 |
| 16 | IGSO-7 | BDS-2 |
| 19 | MEO-1 | BDS-3 |
| 20 | MEO-2 | BDS-3 |
| 21 | MEO-3 | BDS-3 |
| 22 | MEO-4 | BDS-3 |
| 23 | MEO-5 | BDS-3 |
| 24 | MEO-6 | BDS-3 |
| 25 | MEO-11 | BDS-3 |
| 26 | MEO-12 | BDS-3 |
| 27 | MEO-7 | BDS-3 |
| 28 | MEO-8 | BDS-3 |
| 29 | MEO-9 | BDS-3 |
| 30 | MEO-10 | BDS-3 |
| 32 | MEO-13 | BDS-3 |
| 33 | MEO-14 | BDS-3 |
| 34 | MEO-15 | BDS-3 |
| 35 | MEO-16 | BDS-3 |
| 36 | MEO-17 | BDS-3 |
| 37 | MEO-18 | BDS-3 |
| 38 | IGSO-1 | BDS-3 |
| 39 | IGSO-2 | BDS-3 |
| 40 | IGSO-3 | BDS-3 |
| 41 | MEO-19 | BDS-3 |
| 42 | MEO-20 | BDS-3 |
| 43 | MEO-21 | BDS-3 |
| 44 | MEO-22 | BDS-3 |
| 45 | MEO-23 | BDS-3 |
| 46 | MEO-24 | BDS-3 |
| 59 | GEO-1 | BDS-3 |
| 60 | GEO-2 | BDS-3 |
), ArticleFig(id=1251856536327369702, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=CN, label=表2, caption=
BDS在轨工作卫星
, figureFileSmall=null, figureFileBig=null, tableContent=
| PRN | SVN | 卫星类型 |
|---|
| 01 | GEO-8 | BDS-2 |
| 02 | GEO-6 | BDS-2 |
| 03 | GEO-7 | BDS-2 |
| 04 | GEO-4 | BDS-2 |
| 05 | GEO-5 | BDS-2 |
| 06 | IGSO-1 | BDS-2 |
| 07 | IGSO-2 | BDS-2 |
| 08 | IGSO-3 | BDS-2 |
| 09 | IGSO-4 | BDS-2 |
| 10 | IGSO-5 | BDS-2 |
| 11 | MEO-3 | BDS-2 |
| 12 | MEO-4 | BDS-2 |
| 13 | IGSO-6 | BDS-2 |
| 14 | MEO-6 | BDS-2 |
| 16 | IGSO-7 | BDS-2 |
| 19 | MEO-1 | BDS-3 |
| 20 | MEO-2 | BDS-3 |
| 21 | MEO-3 | BDS-3 |
| 22 | MEO-4 | BDS-3 |
| 23 | MEO-5 | BDS-3 |
| 24 | MEO-6 | BDS-3 |
| 25 | MEO-11 | BDS-3 |
| 26 | MEO-12 | BDS-3 |
| 27 | MEO-7 | BDS-3 |
| 28 | MEO-8 | BDS-3 |
| 29 | MEO-9 | BDS-3 |
| 30 | MEO-10 | BDS-3 |
| 32 | MEO-13 | BDS-3 |
| 33 | MEO-14 | BDS-3 |
| 34 | MEO-15 | BDS-3 |
| 35 | MEO-16 | BDS-3 |
| 36 | MEO-17 | BDS-3 |
| 37 | MEO-18 | BDS-3 |
| 38 | IGSO-1 | BDS-3 |
| 39 | IGSO-2 | BDS-3 |
| 40 | IGSO-3 | BDS-3 |
| 41 | MEO-19 | BDS-3 |
| 42 | MEO-20 | BDS-3 |
| 43 | MEO-21 | BDS-3 |
| 44 | MEO-22 | BDS-3 |
| 45 | MEO-23 | BDS-3 |
| 46 | MEO-24 | BDS-3 |
| 59 | GEO-1 | BDS-3 |
| 60 | GEO-2 | BDS-3 |
), ArticleFig(id=1251856536444810218, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=EN, label=Tab.3, caption=
Service types provided by BDS
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| 服务类型 | BDS-2 | BDS-3 |
|---|
| 信号/频段 | 播发手段 | 信号/频段 | 播发手段 |
|---|
| 全球范围 | PNT | B1I、B3I | 5GEO+5IGSO+4MEO | B1I、B3I B1C、B2a、B2b | 3GEO+3IGSO+24MEO 3IGSO+24MEO |
| 全球短报文通信 | — | — | 上行:L 下行:GSMC-B2b | 上行:14MEO 下行:3IGSO+24MEO |
| SAR | — | — | 上行:UHF 下行:SAR-B2b | 上行:6MEO 下行:3IGSO+24MEO |
| 中国及周边 | SBAS | — | — | BDSBAS-B1C、BDSBAS-B2a | 3GEO |
| 地基增强 | — | — | 2G、3G、4G、5G | 移动通信网络互联网络 |
| PPP | — | — | PPP-B2b | 3GEO |
| 区域短报文通信 | 上行:Lf0 下行:S1I、S1Q | 5GEO | 上行:Lf0、Lf1、Lf2、Lf3 下行:S1I、S1Q/S2Cd、S2Cp | 3GEO |
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BDS提供的服务类型
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| 服务类型 | BDS-2 | BDS-3 |
|---|
| 信号/频段 | 播发手段 | 信号/频段 | 播发手段 |
|---|
| 全球范围 | PNT | B1I、B3I | 5GEO+5IGSO+4MEO | B1I、B3I B1C、B2a、B2b | 3GEO+3IGSO+24MEO 3IGSO+24MEO |
| 全球短报文通信 | — | — | 上行:L 下行:GSMC-B2b | 上行:14MEO 下行:3IGSO+24MEO |
| SAR | — | — | 上行:UHF 下行:SAR-B2b | 上行:6MEO 下行:3IGSO+24MEO |
| 中国及周边 | SBAS | — | — | BDSBAS-B1C、BDSBAS-B2a | 3GEO |
| 地基增强 | — | — | 2G、3G、4G、5G | 移动通信网络互联网络 |
| PPP | — | — | PPP-B2b | 3GEO |
| 区域短报文通信 | 上行:Lf0 下行:S1I、S1Q | 5GEO | 上行:Lf0、Lf1、Lf2、Lf3 下行:S1I、S1Q/S2Cd、S2Cp | 3GEO |
), ArticleFig(id=1251856536595805175, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=EN, label=Tab.4, caption=
Service performance provided by BDS
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| 服务类型 | 性能指标 | BDS-2 | BDS-3 |
|---|
| 中国及周边 | 中国及周边 | 全球 |
|---|
| PNT | 定位精度 | 水平:10m 垂直:10m | 水平:5m 垂直:5m | 水平:10m 垂直:10m |
| 测速精度 | 0.2m/s | 0.1m/s | 0.2m/s |
| 授时精度 | 50 ns | 10 ns | 20 ns |
| 服务可用性 | 优于95% | 优于99% | 优于95% |
| 短报文通信 | 服务容量 | 上行:210万次/小时 下行:138万次/小时 | 上行:1 200万次/小时 下行:600万次/小时 | 上行:30万次/小时 下行:20万次/小时 |
| 终端发射功率 | 10W | 1~3W | 10W |
| 单次报文最大长度 | 120个汉字(1680bit) | 1000个汉字(14000bit) | 40个汉字(560bit) |
| 响应时间 | ≤1s | ≤1s | ≤1min |
| 服务成功率 | 优于95% | 优于95% | 优于95% |
), ArticleFig(id=1251856536696468479, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=CN, label=表4, caption=
BDS提供的服务性能
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| 服务类型 | 性能指标 | BDS-2 | BDS-3 |
|---|
| 中国及周边 | 中国及周边 | 全球 |
|---|
| PNT | 定位精度 | 水平:10m 垂直:10m | 水平:5m 垂直:5m | 水平:10m 垂直:10m |
| 测速精度 | 0.2m/s | 0.1m/s | 0.2m/s |
| 授时精度 | 50 ns | 10 ns | 20 ns |
| 服务可用性 | 优于95% | 优于99% | 优于95% |
| 短报文通信 | 服务容量 | 上行:210万次/小时 下行:138万次/小时 | 上行:1 200万次/小时 下行:600万次/小时 | 上行:30万次/小时 下行:20万次/小时 |
| 终端发射功率 | 10W | 1~3W | 10W |
| 单次报文最大长度 | 120个汉字(1680bit) | 1000个汉字(14000bit) | 40个汉字(560bit) |
| 响应时间 | ≤1s | ≤1s | ≤1min |
| 服务成功率 | 优于95% | 优于95% | 优于95% |
), ArticleFig(id=1251856536818102280, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=EN, label=Tab.5, caption=
Typical application scenarios ofBeiDou navigation receiver
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| 场景 | 描述 | 卫星数 | 可用卫星PRN号 |
|---|
| 一 | 全部BDS-2卫星可用 | 15 | PRN 01~14,16 |
| 二 | 全部 BDS-2 和部分BDS-3卫星可用 | 33 | PRN 01~14,16,19~30,32~37 |
| 三 | 全部 BDS-2 和全部BDS-3卫星可用 | 44 | PRN 01~14,16,19~30, 32~46,59~60 |
| 四 | 部分BDS-3卫星可用 | 18 | PRN 19~30,32~37 |
| 五 | 全部BDS-3卫星可用 | 29 | PRN 19~30,32~46,59~60 |
), ArticleFig(id=1251856536910376976, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=CN, label=表5, caption=
北斗导航接收机典型应用场景
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| 场景 | 描述 | 卫星数 | 可用卫星PRN号 |
|---|
| 一 | 全部BDS-2卫星可用 | 15 | PRN 01~14,16 |
| 二 | 全部 BDS-2 和部分BDS-3卫星可用 | 33 | PRN 01~14,16,19~30,32~37 |
| 三 | 全部 BDS-2 和全部BDS-3卫星可用 | 44 | PRN 01~14,16,19~30, 32~46,59~60 |
| 四 | 部分BDS-3卫星可用 | 18 | PRN 19~30,32~37 |
| 五 | 全部BDS-3卫星可用 | 29 | PRN 19~30,32~46,59~60 |
), ArticleFig(id=1251856537015234583, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=EN, label=Tab.6, caption=
Statistical results of service performance ofBeiDou navigation receiver in global regions
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| 场景 | 平均可见卫星数 | GDOP值 | 连续可用性/% |
|---|
| 最小 | 最大 | 平均 | 最小 | 最大 | 平均 |
|---|
| 一 | 0.73 | 13.36 | 5.31 | 2.10 | 19.29 | 6.82 | 33.58 |
| 二 | 6.52 | 20.15 | 11.62 | 1.23 | 3.15 | 2.00 | 93.00 |
| 三 | 8.42 | 27.23 | 15.52 | 1.04 | 2.13 | 1.61 | 100 |
| 四 | 5.54 | 6.87 | 6.31 | 2.49 | 4.05 | 3.15 | 46.46 |
| 五 | 7.64 | 13.92 | 10.20 | 1.40 | 2.25 | 1.90 | 100 |
), ArticleFig(id=1251856537136869405, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=CN, label=表6, caption=
北斗导航接收机全球范围系统服务性能统计
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| 场景 | 平均可见卫星数 | GDOP值 | 连续可用性/% |
|---|
| 最小 | 最大 | 平均 | 最小 | 最大 | 平均 |
|---|
| 一 | 0.73 | 13.36 | 5.31 | 2.10 | 19.29 | 6.82 | 33.58 |
| 二 | 6.52 | 20.15 | 11.62 | 1.23 | 3.15 | 2.00 | 93.00 |
| 三 | 8.42 | 27.23 | 15.52 | 1.04 | 2.13 | 1.61 | 100 |
| 四 | 5.54 | 6.87 | 6.31 | 2.49 | 4.05 | 3.15 | 46.46 |
| 五 | 7.64 | 13.92 | 10.20 | 1.40 | 2.25 | 1.90 | 100 |
), ArticleFig(id=1251856537245921316, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=EN, label=Tab.7, caption=
Statistical results of service performance of BeiDou navigation receiver at fixed points
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| 场景 | 平均可见卫星数 | GDOP值 | 定位精度/m | 连续可用性/% |
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| 最小 | 最大 | 平均 | 最小 | 最大 | 平均 | 水平 | 垂直 |
|---|
| 一 | 10.00 | 14.00 | 11.25 | 1.63 | 3.44 | 2.68 | 0.69 | 5.63 | 100 |
| 二 | 14.00 | 20.00 | 17.10 | 1.70 | 2.23 | 1.49 | 0.47 | 4.59 | 100 |
| 三 | 20.00 | 28.00 | 23.19 | 0.93 | 1.92 | 1.30 | 0.32 | 3.28 | 100 |
| 四 | 3.00 | 9.00 | 5.84 | 1.66 | 16.86 | 3.36 | 1.07 | 8.59 | 89.97 |
| 五 | 10.00 | 15.00 | 11.94 | 1.20 | 2.63 | 1.75 | 0.79 | 5.17 | 100 |
), ArticleFig(id=1251856537329807404, tenantId=1146029695717560320, journalId=1251234268282663017, articleId=1251856524801421870, language=CN, label=表7, caption=
北斗导航接收机固定点位服务性能统计
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| 场景 | 平均可见卫星数 | GDOP值 | 定位精度/m | 连续可用性/% |
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| 最小 | 最大 | 平均 | 最小 | 最大 | 平均 | 水平 | 垂直 |
|---|
| 一 | 10.00 | 14.00 | 11.25 | 1.63 | 3.44 | 2.68 | 0.69 | 5.63 | 100 |
| 二 | 14.00 | 20.00 | 17.10 | 1.70 | 2.23 | 1.49 | 0.47 | 4.59 | 100 |
| 三 | 20.00 | 28.00 | 23.19 | 0.93 | 1.92 | 1.30 | 0.32 | 3.28 | 100 |
| 四 | 3.00 | 9.00 | 5.84 | 1.66 | 16.86 | 3.36 | 1.07 | 8.59 | 89.97 |
| 五 | 10.00 | 15.00 | 11.94 | 1.20 | 2.63 | 1.75 | 0.79 | 5.17 | 100 |
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