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In a wireless sensor network, distributed beamforming is a cooperative technique that enables a group of nodes to emulate a virtual array and to steer a beam in a particular direction in space. This allows for shared message delivery to a distant receiver in a condition where typically communication range is limited due to power consumption constraints. Potential gains in terms of received power are...
In this paper the broadcast relay channel (BRC) is studied. In the BRC model, the source communicates with two destinations with the help of a single relay. The minimum common outage probability for four different transmission protocols, direct transmission (DT), multihop (MH), path selection (PS) and link combination with path selection (LCPS) is investigated under long-term power constraint for...
Cooperative transmission has attracted much attention recently, but it mainly focused on one S-D pair or multiple source one destination case (uplink). This paper, however, investigates a multi-source-multi-destination transmission system with a single assisting relay. Under a simple scheduling strategy, outage probability and outage capacity are derived. Moreover, optimal system throughput is proposed...
In this paper, a distributed efficient power allocation game-theoretic framework in wireless ad-hoc networks is proposed where multiple source nodes communicate with a single destination node via a relay node. The power allocation among the source nodes is formulated as an alternative ascending-clock auction (A-ACA) and achieved using a distributed algorithm that converges in a finite number of clocks...
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