LIU Junning, ZHAI Chuanrun, SONG Di'er, HU Hua. Indoor Pseudolites Precise Point Positioning Based on Improved Time-Satellites Difference[J]. Geomatics and Information Science of Wuhan University, 2009, 34(1): 105-108.
Citation: LIU Junning, ZHAI Chuanrun, SONG Di'er, HU Hua. Indoor Pseudolites Precise Point Positioning Based on Improved Time-Satellites Difference[J]. Geomatics and Information Science of Wuhan University, 2009, 34(1): 105-108.

Indoor Pseudolites Precise Point Positioning Based on Improved Time-Satellites Difference

Funds: 上海市科委GNSS综合测试与认证环境及用户终端产业化研究重大资助项目(05dz15006)
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  • Received Date: November 02, 2008
  • Revised Date: November 02, 2008
  • Published Date: January 04, 2009
  • Considering the peculiar characteristic of indoor environment,based on specific hardware design which can insure the pseudolites clock synchronization,a precise point positioning model based on improved time-satellites difference for indoor pseudolites is proposed.Computation process of this model is described.At the end,results indicate that the use of 1 000 s static data span can provide a horizontal positioning accuracy at centimeter level in case of no cycle slip.
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