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Performance Analysis of Idle-Signal Casting Multiple Access (ICMA) Protocols under Pure Rayleigh Fading and No Capture
Kee Chaing CHUA Te Cheng PANG Kin Mun LYE
IEICE TRANSACTIONS on Communications
Publication Date: 1993/09/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Radio Communication
communication networks, communication protocols, radio communication,
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Markov chain models are used to derive the average stationary throughput and delay performance of Idle-Signal Casting Multiple Access (ICMA), with and without Failure Detection (/FD), protocols which are suitable for use in mobile packet radio local area networks, where propagation impairments are prevalent. The models consider the effects of pure Rayleigh fading on channel access and packet transmission. Numerical results, validated by computer simulations, are obtained that enable a quantitative study of the performance of the protocols. It is found that the performance of the ICMA/FD protocol is affected more significantly by fading on the base-to-mobile channel than is the performance of the ICMA protocol. In addition, performance improves with larger packet sizes eventhough such packets are more vulnerable to failure due to fading.