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Cooperative Medium Access Control in Distributed Wireless Sensor Networks with Multiuser Diversity

Li, Zhi Wei ; Zhong, Qing Hua ; Cui, Hai Xia

Applied Mechanics and Materials, 2013-06, Vol.321-324, p.596-599 [Periódico revisado por pares]

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Título:
Cooperative Medium Access Control in Distributed Wireless Sensor Networks with Multiuser Diversity
Autor: Li, Zhi Wei ; Zhong, Qing Hua ; Cui, Hai Xia
É parte de: Applied Mechanics and Materials, 2013-06, Vol.321-324, p.596-599
Descrição: This paper addresses the cooperative random access problem for distributed wireless sensor networks through network utility maximization framework based on persistence probabilistic model. To exploit spatial diversity, we also present a virtual link scheduling policy by employing multi-relay cooperative transmission and interference avoidance. Numerical results illustrate that our proposed cooperative medium access control (MAC) significantly improves the system throughput compared with the one based on deterministic model and the one without cooperative diversity.
Editor: Zurich: Trans Tech Publications Ltd
Idioma: Inglês

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