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RTK-GPS Correction Generation Technique For Low-Rate Data-Link

Published online by Cambridge University Press:  24 August 2004

Jeonghan Kim  and
Changdon Kee
Jeonghan Kim
Affiliation:
Seoul National University, Korea Email: conductl@snu.ac.kr
Changdon Kee
Affiliation:
Seoul National University, Korea Email: conductl@snu.ac.kr
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Abstract

This paper investigates an RTK-GPS correction generation technique suitable for low-rate (<600 bps) data-link. We combined correction filtering algorithm with an efficient transmission technique which is based upon correction scheduling. The correction scheduling technique can reduce the required amount of correction data as well as the latency effect on RTK-GPS positioning accuracy. We processed real time GPS data to evaluate the performance of the RTK-GPS correction generator for low-rate data-link. The experimental results demonstrate that the proposed techniques can lower the required bandwidth of data-link up to 500 bps, maintaining the high accuracy of RTK-GPS.

Keywords

RTK-GPScorrectionprotocolSNUR-2000
Type
Research Article
Information
The Journal of Navigation , Volume 57 , Issue 3 , September 2004 , pp. 465 - 477
Copyright
© 2004 The Royal Institute of Navigation

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