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A PHY-MAC cross layer design is proposed which optimizes the target packet error rate (PER) and maximizes the throughput. In doing so, an adaptive modulation and coding (AMC) scheme with 3 different transmission modes is chosen which are available in IEEE 802.11a Standard. A general analytical procedure to investigate the performance for transmissions over the wireless link is developed where finite...
In this paper, we outline an approach to improve the lifespan of a wireless sensor network by introducing a variant to standard sleep synchronization protocols. A multilayered architecture is used. To ensure even higher scalability and lower message size in any particular layer, number of layers is limited to four and each layer is broken into grids. Each grid acts a localized network where data aggregation...
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