An adaptive multipath estimation/elimination technique for GPS signals reception

Masateru Minami, Hiroyuki Morikawa, Tomonori Aoyama, Moriyuki Mizumachi

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Recently, with advances in differential GPS (DGPS) technology, the measurement performance of GPS has improved significantly. In this environment, degradation of the measurement performance of GPS due to multipath error that cannot be eliminated by the DGPS technique is a serious problem. In this paper, as a multipath solution in GPS, multipath estimation is carried out with an adaptive filter based on the least squares method. A method is presented to reduce the locking error in code phase locking and carrier phase locking by eliminating the multipath effect from the received signal correlation. Also, by means of computer simulation, the effectiveness of the present method is confirmed.

Original languageEnglish
Pages (from-to)74-82
Number of pages9
JournalElectronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi)
Volume86
Issue number1
DOIs
Publication statusPublished - 2003 Jan 1

Keywords

  • Adaptive filter
  • GPS
  • Multipath error

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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