Test Result of RTK-GNSS Using Compact RTK Correction Messages Combined With NTRIP

Jeonghan Kim, Sanghoon Jeon, Changdon Kee and Sanghyun Lee

Abstract:	The compact correction messages for GPS-RTK are included in RTCM SC-104 version 3 proposed messages. They enable RTK users to determine precise position even though low-bandwidth data-link is used. In this paper, we make the RTK system with low-rate data-link less complex as RTK-GNSS users rush to some reference stations by combining compact RTK corrections with NTRIP (Networked Transport of RTCM via Internet Protocol). NTRIP is under development for an international standard to receive DGNSS or RTK-GNSS messages. It is an application-level protocol streaming GNSS data over the internet. It is a generic, stateless protocol based on the Hypertext Transfer Protocol (HTTP) version 1.1. It has capacity to support mass usage and the potentiality to be extended to mobile IP network. It is also stable against security problem. Utilizing the advantages of NTRIP, GPS RTK system with low-rate data-link becomes more efficient and more robust on multi-user and multi-source environment. We perform various RTK experiments using the SNUR-2000 v. 2.2 as RTK protocol and NTRIP v.1.0 as internet data link system. Then, we evaluate the performance of the above system on multi-user and multi-source environment.
Published in:	Proceedings of the 2005 National Technical Meeting of The Institute of Navigation January 24 - 26, 2005 The Catamaran Resort Hotel San Diego, CA
Pages:	471 - 479
Cite this article:	Kim, Jeonghan, Jeon, Sanghoon, Kee, Changdon, Lee, Sanghyun, "Test Result of RTK-GNSS Using Compact RTK Correction Messages Combined With NTRIP," Proceedings of the 2005 National Technical Meeting of The Institute of Navigation, San Diego, CA, January 2005, pp. 471-479.
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