Assigned power level and assigned slot-based multiple-access scheme by capture effect

Shigeru Shimamoto, Yoshikuni Onozato, Yoshimi Teshigawara

Research output: Contribution to journalArticle

Abstract

The TDMA scheme, a typical multiple-access scheme, can provide secure transmission; but its efficiency is poor under low traffic conditions. By contrast, the random access scheme, represented by the ALOHA scheme, has a small-delay characteristic under low traffic conditions but a stability problem under heavy traffic conditions. This paper presents a new multiple-access scheme in which each station is assigned a slot in every frame and stations are assigned to a slot at different power levels to obtain the capture effect. Therefore, the proposed scheme can adapt itself under various traffic conditions with channel status monitoring based control. Different models of capture effect are proposed, and the performance of the models is analyzed both by theory and by computer simulation.

Original languageEnglish
Pages (from-to)48-58
Number of pages11
JournalElectronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi)
Volume76
Issue number11
Publication statusPublished - 1993 Nov
Externally publishedYes

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Time division multiple access
Monitoring
Computer simulation

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

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