A Mode S decoding scheme using equalization for multilateration systems

Yasunori Nouda, Hiroyasu Sano, Akinori Taira, Hiroshi Kubo

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

1 Citation (Scopus)

Abstract

Multilateration (MLAT) systems, which receive and decode the signals such as SSR (Secondary Surveillance Rader) Mode S reply or extended squitter in airport surface, have problems in decoding performance due to not only asynchronous interference from other aircraft, but also multipath caused by reflection from buildings and other surroundings. This paper proposes a Mode S receiver with equalization. This scheme estimates both direct wave and reflected waves by use of the received signal of preamble duration, and performs the equalization with the estimated impulse response. The evaluation results show that the scheme gives better performance than conventional decoding method for the received signal under strong multipath environment.

Original languageEnglish
Title of host publication30th Digital Avionics Systems Conference - Closing the Generation Gap
Subtitle of host publicationIncreasing Capability for Flight Operations among Legacy, Modern and Uninhabited Aircraft, DASC 2011
DOIs
Publication statusPublished - 2011 Dec 28
Event30th Digital Avionics Systems Conference - Closing the Generation Gap: Increasing Capability for Flight Operations among Legacy, Modern and Uninhabited Aircraft, DASC 2011 - Seattle, WA, United States
Duration: 2011 Oct 162011 Oct 20

Publication series

NameAIAA/IEEE Digital Avionics Systems Conference - Proceedings

Conference

Conference30th Digital Avionics Systems Conference - Closing the Generation Gap: Increasing Capability for Flight Operations among Legacy, Modern and Uninhabited Aircraft, DASC 2011
Country/TerritoryUnited States
CitySeattle, WA
Period11/10/1611/10/20

ASJC Scopus subject areas

  • Aerospace Engineering
  • Electrical and Electronic Engineering

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