Analysis of Channel Access Schemes for Model-based Estimation over Multi-access Networks

Ching-Ling Huang and Raja Sengupta

Institute of Transportation Studies, Research Reports, Working Papers, Proceedings from Institute of Transportation Studies, UC Berkeley

Abstract: This report investigates the performance of model-based estima-tion over multi-access networks and emphasizes on the estimationMSE (mean squared error) while using different channel access schemes:probabilistic (random access), deterministic (round-robin scheduling),and combined (grouped channel access). We propose a mathematicalframework for estimation over a simple multi-access MAC protocol,the slotted ALOHA network. Estimation MSE, its asymptotic be-havior and stability condition are derived for different channel accessmethods. Our quantitative discussion can provide guidelines to designthe communication logic for those vehicular control systems built ontop of multi-access networks.

Keywords: Engineering; vehicular control; model-based estimation; multi-access chan-nel; slotted ALOHA (search for similar items in EconPapers)
Date: 2009-01-01
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