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首页> 外文会议>Proceedings of the 2013 international conference on wireless networks >A Fuzzy Approach in Single Relay Selection for Cooperative Communication Based on Signal Strength and Residual Energy
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A Fuzzy Approach in Single Relay Selection for Cooperative Communication Based on Signal Strength and Residual Energy

机译：基于信号强度和剩余能量的协同通信单中继选择模糊方法

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摘要

Cooperative communication is a vital area of research in wireless sensor networks due to its advantages for spatial diversity. Specifically, selective single relay cooperative communication is an area of vast research interest due to its simplicity and practicality. In this paper, we propose a selective single relay cooperative communication scheme for wireless sensor networks which adapts power control and considers residual energy when electing potential relay nodes. Based on the received signal strength of the RTS/CTS messages, potential relay nodes compute the required transmission energy needed for data transmission from the source to itself and from itself to the destination. The required transmission energy from source to destination is also obtained through the MAC layer signaling. Node with the minimum transmission energy and highest residual energy is then elected as a relay for cooperative communication based on a fuzzy inference system. Our simulation results confirm that our scheme achieves significant energy savings in data transmission and enhances network lifetime.
机译：由于协作通信具有空间分集的优势，因此它是无线传感器网络研究的重要领域。具体地说，选择性单中继协作通信由于其简单性和实用性而引起了广泛的研究兴趣。在本文中，我们提出了一种用于无线传感器网络的选择性单中继协作通信方案，该方案适应功率控制并在选择潜在中继节点时考虑剩余能量。基于RTS / CTS消息的接收信号强度，潜在的中继节点计算从源到其自身以及从其自身到目的地的数据传输所需的传输能量。通过MAC层信令也获得了从源到目的地的所需传输能量。然后，基于模糊推理系统，选择具有最小传输能量和最高剩余能量的节点作为用于协作通信的中继。我们的仿真结果证实了我们的方案在数据传输中实现了显着的节能，并延长了网络寿命。

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