Cooperative ARQ-Based Energy-Efficient Routing in Multihop Wireless Networks


In this paper, we have a tendency to style an integrated protocol that jointly optimizes the performance of the physical, medium access management (MAC), and network layers. Our goal is to minimize total network energy consumption while delivering a minimum needed signal-to-noise ratio (SNR) at each intended receiver at intervals the network. At the MAC layer, we tend to develop a cooperative automatic repeat request (ARQ) system, in that the relay nodes assist the source with its retransmission tries. A complete analytic framework for the cooperative system is developed. Using this framework, we realize the optimum transmission energy at the physical layer. To demonstrate the effectiveness of the proposed theme in minimizing energy consumption, we have a tendency to propose 2 cooperative routing algorithms at the network layer. The proposed algorithms utilize the derived cooperative link value as a basic building block. Through analysis and simulations, it is shown that over a single hop, cooperative transmission will achieve energy savings of up to 73%, as compared with noncooperative transmission. The simulation results also demonstrate that the proposed routing algorithms can achieve significant energy savings whereas using fewer hops, as compared with the baseline cooperative and noncooperative routing algorithms.

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