supported by the National Natural Science Foundation of China (Grant Nos. 61173012. 61173036);the National Basic Research Program of China (Grant No. 2007CB815500);the National High Technology Research and Development Program of China(Grant No. 2007AA12z343);the State Key Laboratory of Integrated Services Networks Open Project (Grant No. ISN12-05);the Open Fund Project of Key Laboratory in Hunan Universities (Grant No. 11K017)
The positioning precision of the transmitting Chinese Area Positioning System(CAPS) is reduced due to the non-ideal distribution of the satellite constellation.Positioning and navigation enhancement methods are able t...