{"title":"通过当前的伽利略和北斗星座增强PPP","authors":"N. Zang, Bofeng Li, Yunzhong Shen","doi":"10.1109/CPGPS.2017.8075127","DOIUrl":null,"url":null,"abstract":"This contribution mainly addresses PPP augmentation with current Galileo constellation. The GPS-only, GPS+Galileo, and GPS+Galileo+BDS PPP will be numerically studied with both single- and dual-frequency signals. The results show that the single-frequency GPS PPP solutions in obstructed situation can reach only meter level accuracy while GPS+Galileo and GPS+Galileo+BDS PPP solutions get 0.15m and 0.5m accuracy in horizontal and vertical direction, respectively. In dual-frequency kinematic PPP experiments, the GPS-only cannot provide centimeter solutions in obstructed case whereas the Galileo augmented PPP significantly improves the positioning accuracy up to centimeter in all three components.","PeriodicalId":340067,"journal":{"name":"2017 Forum on Cooperative Positioning and Service (CPGPS）","volume":"54 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2017-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"PPP augmentation with current Galileo and BeiDou constellations\",\"authors\":\"N. Zang, Bofeng Li, Yunzhong Shen\",\"doi\":\"10.1109/CPGPS.2017.8075127\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This contribution mainly addresses PPP augmentation with current Galileo constellation. The GPS-only, GPS+Galileo, and GPS+Galileo+BDS PPP will be numerically studied with both single- and dual-frequency signals. The results show that the single-frequency GPS PPP solutions in obstructed situation can reach only meter level accuracy while GPS+Galileo and GPS+Galileo+BDS PPP solutions get 0.15m and 0.5m accuracy in horizontal and vertical direction, respectively. In dual-frequency kinematic PPP experiments, the GPS-only cannot provide centimeter solutions in obstructed case whereas the Galileo augmented PPP significantly improves the positioning accuracy up to centimeter in all three components.\",\"PeriodicalId\":340067,\"journal\":{\"name\":\"2017 Forum on Cooperative Positioning and Service (CPGPS）\",\"volume\":\"54 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-05-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2017 Forum on Cooperative Positioning and Service (CPGPS）\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/CPGPS.2017.8075127\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2017 Forum on Cooperative Positioning and Service (CPGPS）","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CPGPS.2017.8075127","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
PPP augmentation with current Galileo and BeiDou constellations
This contribution mainly addresses PPP augmentation with current Galileo constellation. The GPS-only, GPS+Galileo, and GPS+Galileo+BDS PPP will be numerically studied with both single- and dual-frequency signals. The results show that the single-frequency GPS PPP solutions in obstructed situation can reach only meter level accuracy while GPS+Galileo and GPS+Galileo+BDS PPP solutions get 0.15m and 0.5m accuracy in horizontal and vertical direction, respectively. In dual-frequency kinematic PPP experiments, the GPS-only cannot provide centimeter solutions in obstructed case whereas the Galileo augmented PPP significantly improves the positioning accuracy up to centimeter in all three components.
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