Digital channel modeling for multi-relay wireless sensor networks

Authors:
Stevan Berber;Vladimir Kovacevic;Miodrag Temerinac
Affiliations:
Department of El. and Computer Engineering, The University of Auckland, Auckland, New Zealand;Department of Computer and Control Engineering, The University of Novi Sad, Novi Sad, Serbia;Department of Computer and Control Engineering, The University of Novi Sad, Novi Sad, Serbia
Venue:
CIT'11 Proceedings of the 5th WSEAS international conference on Communications and information technology
Year:
2011

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Abstract

This paper presents a new approach for the channel capacity calculation of a multirelay communication system. For the channel model based on Markov chains theory, the exact formula for the channel capacity, which is expressed as a function of packet error rate and number of relays, is derived. The presented theory of multi-relay modelling can be directly extended for the modelling and capacity calculation of multi-relay multi-hop networks. The presented theory of multi-relay channels is applied to calculate the capacity of channels for cooperative communication systems.