An Approach for Instantaneous Ambiguity Resolution for Medium- to Long-range Multiple Reference Station Networks
dc.contributor.author | Hu, Guorong | |
dc.contributor.author | Abbey, Donald | |
dc.contributor.author | Castleden, James | |
dc.contributor.author | Featherstone, Will | |
dc.contributor.author | Ovstedal, O | |
dc.date.accessioned | 2017-01-30T11:56:51Z | |
dc.date.available | 2017-01-30T11:56:51Z | |
dc.date.created | 2009-03-05T00:56:57Z | |
dc.date.issued | 2004 | |
dc.identifier.citation | Hu, Guorong and Abbey, Donald and Castleden, James and Featherstone, Will and Ovstedal, O. 2004. An Approach for Instantaneous Ambiguity Resolution for Medium- to Long-range Multiple Reference Station Networks. GPS Solutions Online: pp. 1-23. | |
dc.identifier.uri | http://hdl.handle.net/20.500.11937/16635 | |
dc.identifier.doi | 10.1007/s10291-004-0120-8 | |
dc.description.abstract |
Integer ambiguity resolution (AR) is a prerequisite for all high-precision (centimetre level) GPS applications that utilise multiple reference station (MRS) networks. However, due to the presence of distance-dependent GPS errors, notably atmospheric refraction, AR across the network is difficult on an epoch-by-epoch basis, especially for medium- to long-range (typically 30?130 km as used here) MRS networks. This paper presents an approach for medium- to long-range instantaneous AR for MRS networks, based on an ionosphere-weighted observation model and network geometry constraints, along with a multiple ambiguity validation test procedure. The performance of the proposed method was demonstrated through two case-study examples from Australia and Norway. Our test results show that the instantaneous AR success rate varied from 93% (131 km baseline) to 98% (35 km baseline).It is also shown that the adopted high-precision prediction models for the double-difference (DD) ionospheric delay and residual tropospheric zenith delay (RTZD) are of benefit to the high success rate of the network AR. Due to its epoch-by-epoch nature, the proposed approach is insensitive to cycle-slips, rising or setting satellites, or loss-of-lock. | |
dc.publisher | John Wiley and Sons, Inc. | |
dc.title | An Approach for Instantaneous Ambiguity Resolution for Medium- to Long-range Multiple Reference Station Networks | |
dc.type | Journal Article | |
dcterms.source.volume | Online | |
dcterms.source.startPage | 1 | |
dcterms.source.endPage | 23 | |
dcterms.source.issn | 10805370 | |
dcterms.source.title | GPS Solutions | |
curtin.accessStatus | Fulltext not available | |
curtin.faculty | Department of Spatial Sciences | |
curtin.faculty | Faculty of Science and Engineering | |
curtin.faculty | WA School of Mines |