Recursive geolocation of unknown emitters using TDOAs of three GEOs

Takeshi Amishima, Ryuhei Takahashi

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper addresses the problem of geolocating the unknown emitters causing uplink interference on the geostationary satellite. One common method is to utilize Time difference of Arrival (TDOA) of three GEOs. However, this method has an inherent problem that the geolocation accuracy is not good enough due to fact that two TDOA lines are nearly parallel. Furthermore, there are misdetection of TDOAs when the interference signals are not received properly. In this paper, we propose a novel recursive leased square (RLS) based geolocation method, which improves the geolocation accuracy up to 14 % compared with the conventional method.

Original languageEnglish
Title of host publication2021 International Symposium on Antennas and Propagation, ISAP 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9789868478718
DOIs
Publication statusPublished - 2021
Event2021 International Symposium on Antennas and Propagation, ISAP 2021 - Taipei, Taiwan, Province of China
Duration: 19 Oct 202122 Oct 2021

Publication series

Name2021 International Symposium on Antennas and Propagation, ISAP 2021

Conference

Conference2021 International Symposium on Antennas and Propagation, ISAP 2021
Country/TerritoryTaiwan, Province of China
CityTaipei
Period19/10/2122/10/21

Keywords

  • asynchronous tracking
  • Geolocation
  • interference
  • satellite communication
  • TDOA

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