A novel scheme and modified structure for improved software GPS receiver

Chieh Fu Chang, Ru Muh Yang, Ming Seng Kao, Jyh Ching Juang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

When implementing a software GPS receiver (SGR), few bits ADC are usually selected to reduce the required computation and storage. In this paper, the performance degradation induced by few bits ADC is discussed and the improved structures called post-correlator phase compensation (PCPC) is proposed. The analysis of PCPC structure is provided based on digital approach. For 1-bit SGR, the improvement of magnitude of correlator output can be up to 1.5 dB. The results of PC-based 1-bit SGR verify the feasibility of the proposed structure at static mode and dynamic mode. Finally, a novel scheme generating a 1-bit virtual carrier table with selectable fine resolution is proposed. Under some condition, the virtual carrier table can be attained with very light computations and much less storage compared with traditional carrier tables.

Original languageEnglish
Title of host publication20th International Technical Meeting of the Satellite Division of The Institute of Navigation 2007, ION GNSS 2007
Pages2813-2822
Number of pages10
Publication statusPublished - 2007 Dec 1
Event20th International Technical Meeting of the Satellite Division of The Institute of Navigation 2007 ION GNSS 2007 - Fort Worth, TX, United States
Duration: 2007 Sep 252007 Sep 28

Publication series

Name20th International Technical Meeting of the Satellite Division of The Institute of Navigation 2007 ION GNSS 2007
Volume3

Other

Other20th International Technical Meeting of the Satellite Division of The Institute of Navigation 2007 ION GNSS 2007
CountryUnited States
CityFort Worth, TX
Period07-09-2507-09-28

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Software
  • Electrical and Electronic Engineering

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  • Cite this

    Chang, C. F., Yang, R. M., Kao, M. S., & Juang, J. C. (2007). A novel scheme and modified structure for improved software GPS receiver. In 20th International Technical Meeting of the Satellite Division of The Institute of Navigation 2007, ION GNSS 2007 (pp. 2813-2822). (20th International Technical Meeting of the Satellite Division of The Institute of Navigation 2007 ION GNSS 2007; Vol. 3).