Analysis of BDS-3 PPP-B2b Positioning and Time Transfer Service
With the completion of the BeiDou global navigation satellite system (BDS-3), the BeiDou Navigation Satellite System Signal In Space Interface Control Document Precise Point Positioning Service Signal PPP-B2b (Version 1.0) was officially announced, and BDS-3 officially broadcast PPP-B2b correction t...
| Main Authors: | , , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2022-06-01
|
| Series: | Remote Sensing |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2072-4292/14/12/2769 |
| _version_ | 1797482744105664512 |
|---|---|
| author | Runzhi Zhang Zaimin He Langming Ma Gongwei Xiao Wei Guang Yulong Ge Xiangbo Zhang Jihai Zhang Jian Tang Xueqing Li |
| author_facet | Runzhi Zhang Zaimin He Langming Ma Gongwei Xiao Wei Guang Yulong Ge Xiangbo Zhang Jihai Zhang Jian Tang Xueqing Li |
| author_sort | Runzhi Zhang |
| collection | DOAJ |
| description | With the completion of the BeiDou global navigation satellite system (BDS-3), the BeiDou Navigation Satellite System Signal In Space Interface Control Document Precise Point Positioning Service Signal PPP-B2b (Version 1.0) was officially announced, and BDS-3 officially broadcast PPP-B2b correction to broadcast ephemeris through geostationary earth orbit (GEO) satellites to provide precise point positioning services for users in the Asia–Pacific region. This study comprehensively analyzes the application of the PPP-B2b product to time transfer and positioning. On a daily basis, the PPP-B2b positioning accuracy after convergence is calculated using the four ionosphere-free (IF) combinations in static and simulated kinematic modes: BDS B1I/B3I, BDS B1C/B2a, BDS B1I/B3I + GPS, and BDS B1C/B2a + GPS. Observations of time laboratories including the National Time Service Center of the Chinese Academy of Sciences (NTSC) and the Telecommunication Laboratories (TL) are employed to conduct zero-baseline common clock difference (CCD) time comparison experiments and long-baseline time comparison experiments using the PPP-B2b product and the GBM product. The results indicate that the PPP-B2b position accuracy in static mode by only BDS is 1.5/2.7/3.9 cm, and by GPS + BDS is within 1.5/2.5/3.5 cm in North, East, and Up directions, respectively. Regarding simulated kinematic PPP-B2b, the average root mean square (RMS) values of the position errors in the North, East, and Up directions for the combination of BDS B1I/B3I + GPS and BDS B1I/B3I are 3.4/5.8/7.6 cm and 3.8/6.6/7.8 cm, respectively. Simultaneously, the average RMS values of position errors using BDS B1C/B2a + GPS and BDS B1C/B2a are 3.6/4.9/8.1 cm and 4/6.1/8.5 cm. In the time comparison study, the results of zero-baseline CCD using the PPP-B2b product and the GBM product are within the fluctuation range of 0.1 ns, respectively. Particularly, the long-baseline time comparison difference between results employing the PPP-B2b product and the GBM product is within the range of ±0.5 ns. |
| first_indexed | 2024-03-09T22:36:48Z |
| format | Article |
| id | doaj.art-86415d9dfe934c64939ed7183070499f |
| institution | Directory Open Access Journal |
| issn | 2072-4292 |
| language | English |
| last_indexed | 2024-03-09T22:36:48Z |
| publishDate | 2022-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Remote Sensing |
| spelling | doaj.art-86415d9dfe934c64939ed7183070499f2023-11-23T18:46:31ZengMDPI AGRemote Sensing2072-42922022-06-011412276910.3390/rs14122769Analysis of BDS-3 PPP-B2b Positioning and Time Transfer ServiceRunzhi Zhang0Zaimin He1Langming Ma2Gongwei Xiao3Wei Guang4Yulong Ge5Xiangbo Zhang6Jihai Zhang7Jian Tang8Xueqing Li9National Time Service Center, Chinese Academy of Sciences, Xi’an 710600, ChinaSchool of Communications and Information Engineering & School of Artificial Intelligence, Xi’an University of Posts and Telecommunications, Xi’an 710121, ChinaNational Time Service Center, Chinese Academy of Sciences, Xi’an 710600, ChinaSchool of Communications and Information Engineering & School of Artificial Intelligence, Xi’an University of Posts and Telecommunications, Xi’an 710121, ChinaSchool of Communications and Information Engineering & School of Artificial Intelligence, Xi’an University of Posts and Telecommunications, Xi’an 710121, ChinaSchool of Marine Science and Engineering, Nanjing Normal University, Nanjing 210023, ChinaNational Time Service Center, Chinese Academy of Sciences, Xi’an 710600, ChinaNational Time Service Center, Chinese Academy of Sciences, Xi’an 710600, ChinaCollege of Electronic Engineering, National University of Defense Technology, Hefei 230037, ChinaNational Time Service Center, Chinese Academy of Sciences, Xi’an 710600, ChinaWith the completion of the BeiDou global navigation satellite system (BDS-3), the BeiDou Navigation Satellite System Signal In Space Interface Control Document Precise Point Positioning Service Signal PPP-B2b (Version 1.0) was officially announced, and BDS-3 officially broadcast PPP-B2b correction to broadcast ephemeris through geostationary earth orbit (GEO) satellites to provide precise point positioning services for users in the Asia–Pacific region. This study comprehensively analyzes the application of the PPP-B2b product to time transfer and positioning. On a daily basis, the PPP-B2b positioning accuracy after convergence is calculated using the four ionosphere-free (IF) combinations in static and simulated kinematic modes: BDS B1I/B3I, BDS B1C/B2a, BDS B1I/B3I + GPS, and BDS B1C/B2a + GPS. Observations of time laboratories including the National Time Service Center of the Chinese Academy of Sciences (NTSC) and the Telecommunication Laboratories (TL) are employed to conduct zero-baseline common clock difference (CCD) time comparison experiments and long-baseline time comparison experiments using the PPP-B2b product and the GBM product. The results indicate that the PPP-B2b position accuracy in static mode by only BDS is 1.5/2.7/3.9 cm, and by GPS + BDS is within 1.5/2.5/3.5 cm in North, East, and Up directions, respectively. Regarding simulated kinematic PPP-B2b, the average root mean square (RMS) values of the position errors in the North, East, and Up directions for the combination of BDS B1I/B3I + GPS and BDS B1I/B3I are 3.4/5.8/7.6 cm and 3.8/6.6/7.8 cm, respectively. Simultaneously, the average RMS values of position errors using BDS B1C/B2a + GPS and BDS B1C/B2a are 3.6/4.9/8.1 cm and 4/6.1/8.5 cm. In the time comparison study, the results of zero-baseline CCD using the PPP-B2b product and the GBM product are within the fluctuation range of 0.1 ns, respectively. Particularly, the long-baseline time comparison difference between results employing the PPP-B2b product and the GBM product is within the range of ±0.5 ns.https://www.mdpi.com/2072-4292/14/12/2769BDS-3PPP-B2bprecise point positioningtime transfer |
| spellingShingle | Runzhi Zhang Zaimin He Langming Ma Gongwei Xiao Wei Guang Yulong Ge Xiangbo Zhang Jihai Zhang Jian Tang Xueqing Li Analysis of BDS-3 PPP-B2b Positioning and Time Transfer Service Remote Sensing BDS-3 PPP-B2b precise point positioning time transfer |
| title | Analysis of BDS-3 PPP-B2b Positioning and Time Transfer Service |
| title_full | Analysis of BDS-3 PPP-B2b Positioning and Time Transfer Service |
| title_fullStr | Analysis of BDS-3 PPP-B2b Positioning and Time Transfer Service |
| title_full_unstemmed | Analysis of BDS-3 PPP-B2b Positioning and Time Transfer Service |
| title_short | Analysis of BDS-3 PPP-B2b Positioning and Time Transfer Service |
| title_sort | analysis of bds 3 ppp b2b positioning and time transfer service |
| topic | BDS-3 PPP-B2b precise point positioning time transfer |
| url | https://www.mdpi.com/2072-4292/14/12/2769 |
| work_keys_str_mv | AT runzhizhang analysisofbds3pppb2bpositioningandtimetransferservice AT zaiminhe analysisofbds3pppb2bpositioningandtimetransferservice AT langmingma analysisofbds3pppb2bpositioningandtimetransferservice AT gongweixiao analysisofbds3pppb2bpositioningandtimetransferservice AT weiguang analysisofbds3pppb2bpositioningandtimetransferservice AT yulongge analysisofbds3pppb2bpositioningandtimetransferservice AT xiangbozhang analysisofbds3pppb2bpositioningandtimetransferservice AT jihaizhang analysisofbds3pppb2bpositioningandtimetransferservice AT jiantang analysisofbds3pppb2bpositioningandtimetransferservice AT xueqingli analysisofbds3pppb2bpositioningandtimetransferservice |