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In this work, we study the problem of optimal power allocation for decode-and-forward cooperative communications. From the perspective of service quality, rather than minimize the outage probability as much as possible, our goal is to use the minimum power to maintain the outage performance below a specific threshold and thereby conserve the power/energy resource. We investigate two scenarios, a system...
In classical routing strategies for multihop mobile wireless networks packets are routed on a pre-defined route usually obtained by a shortest path routing protocol. In opportunistic routing schemes, for each packet and each hop, the next relay is found by dynamically selecting the node that captures the packet transmission and which is the nearest to the destination. Such a scheme allows each packet...
This paper explores the attributes, layering models and objective functions in cross layer designs for mobile ad hoc wireless networks by taking all the statistical characteristics and constraints from the physical (PHY) layer, media access control (MAC) layer and network (NET) layer into consideration. This paper reviews the entire network optimization across all the PHY/MAC/NET layers. At the PHY...
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