Outage Analysis/SER of A Cooperative Wireless Network Based on Opportunistic Relaying
DOI:
https://doi.org/10.61841/yyrz1g39Keywords:
pro-active relaying, Channel state information, WSN, cooperative relaying, outage probabilityAbstract
In this paper, an adaptive relay node selection algorithm based on the opportunity is proposed to balance the network energy consumption. we analyze the SER and outage probability of opportunistic relay selection in a set-up using decode and forward and where the available channel state information (CSI) is not available. The relay is selected opportunistically to maximize the end-to-end signal to noise ratio received at the destination. At destination Maximal Ratio Combining(MRC) is done to exploit diversity. The statistics in terms of (PDF) and (CDF) have been derived and used for determining outage probability for varying channel conditions. The outage performance and SER with fixed and opportunistic relaying have been compared. It has been shown that the proposed algorithm can improve the network performance by deferring the earliest death time of the nodes, balancing the energy consumption of each node, and extending the network life cycle.
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