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A Study on Cluster Lifetime of Single-Hop Wireless Sensor Networks with Cooperative MISO Scheme
Zheng HUANG Kentaro KOBAYASHI Masaaki KATAYAMA Takaya YAMAZATO
IEICE TRANSACTIONS on Communications
Publication Date: 2011/10/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
wireless sensor network, lifetime, cooperative MISO, data aggregation,
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This letter investigates the cluster lifetime of single-hop wireless sensor networks with cooperative Multi-Input Single-Output (MISO) scheme. The energy consumptions of both intra-cluster and out-cluster communications are considered. Moreover, uniform and linear data aggregations are discussed. It is found the optimal transmission scheme varies with the distance from the cluster to the base station. More interestingly and novelly, the effect of cluster size on the cluster lifetime has been clarified.