Channel assignment with capture for personal satellite communications

Miki Saito, Shigeru Shimamoto, Yoshikuni Onozato

Research output: Contribution to journalArticle

Abstract

We investigate the multipacket message transmissions and variable length message transmission in slotted ALOHA systems with capture effect. First, we propose an approach that the transmission power level is controlled probabilistically depending on message length for multipacket messages. We consider the multipacket messages model with capture. We derive explicit equations of the effective channel utilization of the model. It is demonstrated that if we increase the number of power levels, we can get more effective channel utilization of the system. Secondly, we propose how to assign the slot size and show that the effective utilization of the channel is improved for variable length messages using the approach proposed for multipacket messages. Channel design issue about length of the slot depending on the number of power levels used for transmission is discussed. Thirdly, we propose the multiple messages per slot model with capture. The analytical results show that the multiple messages per slot model can achieve the highest channel utilization among the models discussed in this paper.

Original languageEnglish
Pages (from-to)812-821
Number of pages10
JournalIEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
VolumeE78-A
Issue number7
Publication statusPublished - 1995 Jul
Externally publishedYes

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Channel Assignment
Satellite Communication
Communication satellites
Model
Power transmission
Assign

ASJC Scopus subject areas

  • Hardware and Architecture
  • Information Systems
  • Electrical and Electronic Engineering

Cite this

Channel assignment with capture for personal satellite communications. / Saito, Miki; Shimamoto, Shigeru; Onozato, Yoshikuni.

In: IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E78-A, No. 7, 07.1995, p. 812-821.

Research output: Contribution to journalArticle

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