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In this paper, we propose a relay selection scheme based on cooperative MIMO (multi-input-multi-output) communication for network lifetime maximization in energy-constrained sensor networks. Compared with existing work, our distributions are: cooperative nodes choice is not based on minimizing energy consumption per communication but balancing remaining energy between participants including source...
IEEE 802.15.4 standard provides a Guaranteed Time Slot (GTS) mechanism for time sensitive wireless networks in the beacon-enabled mode. However, the bandwidth underutilization problem may become worse when the traffic flow with various arrival rates leads to variance between the arrival rate and the guaranteed bandwidth which is allocated to satisfy the case of the maximal arrival rate. To overcome...
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