在无线传感器网络中,为了提高能量的利用率和增强数据包转发的可靠性,设计了PFAG(Packet ForwardingAlgorithm Based on Auction Game)算法。该算法将数据包转发过程看作一种多阶段拍卖博弈过程,其中源节点作为买方,邻居节点作为卖方。...在无线传感器网络中,为了提高能量的利用率和增强数据包转发的可靠性,设计了PFAG(Packet ForwardingAlgorithm Based on Auction Game)算法。该算法将数据包转发过程看作一种多阶段拍卖博弈过程,其中源节点作为买方,邻居节点作为卖方。邻居节点根据拍卖博弈模型中的标价函数给出相应标价,源节点通过选择最佳的转发节点以使自己的收益最大化。当数据包转发成功后,源节点退出此次博弈,转发节点作为买方启动新一轮拍卖博弈,依次迭代,直到数据包被成功发送到目的节点。经过这样一个多阶段的拍卖博弈过程,源节点最终可找出一条能耗低、稳定且可靠的包转发路径。仿真结果表明,PFAG算法可有效的降低和平衡网络能耗,具备传输可靠性高和适应网络规模变化性强的特点。展开更多
Providing a pretty adequate environment condition between the transmission and the receiver for a WSN (wireless sensor network), in which deployed sensor nodes and fusion center, is investigated in the paper. Moreover...Providing a pretty adequate environment condition between the transmission and the receiver for a WSN (wireless sensor network), in which deployed sensor nodes and fusion center, is investigated in the paper. Moreover, an algorithm promotes the energy efficient, increases the accuracy of sensing data and prolongs the lifetime of sensor nodes deployed over an WSNs is proposed. On the basis of adopting sensor management, which involves sensor movement sequences, sensor location arrangement, lifetime requirement for sensor nodes deploy surveillance environment, and the data fusion center, are addressed too. Simulation results from the lifetime performance for sensor nodes defeated by parameters about the environment around the WSNs are illustrated. Parameters aforementioned are including sensing distance, path loss factor, number bits of a transmitted packet, and interference suffering from the path of data transmission etc. Furthermore, the algorithm of sensor location arrangement is modified for the purpose of improving the lifetime performance in WSNs environments. In addition, simulation results show that the proposed algorithm in this paper is not only definitely to improve the energy efficient sufficiently, but the sensing accuracy and the lifetime performance of the sensor nodes are also prolonged significantly.展开更多
文摘在无线传感器网络中,为了提高能量的利用率和增强数据包转发的可靠性,设计了PFAG(Packet ForwardingAlgorithm Based on Auction Game)算法。该算法将数据包转发过程看作一种多阶段拍卖博弈过程,其中源节点作为买方,邻居节点作为卖方。邻居节点根据拍卖博弈模型中的标价函数给出相应标价,源节点通过选择最佳的转发节点以使自己的收益最大化。当数据包转发成功后,源节点退出此次博弈,转发节点作为买方启动新一轮拍卖博弈,依次迭代,直到数据包被成功发送到目的节点。经过这样一个多阶段的拍卖博弈过程,源节点最终可找出一条能耗低、稳定且可靠的包转发路径。仿真结果表明,PFAG算法可有效的降低和平衡网络能耗,具备传输可靠性高和适应网络规模变化性强的特点。
文摘Providing a pretty adequate environment condition between the transmission and the receiver for a WSN (wireless sensor network), in which deployed sensor nodes and fusion center, is investigated in the paper. Moreover, an algorithm promotes the energy efficient, increases the accuracy of sensing data and prolongs the lifetime of sensor nodes deployed over an WSNs is proposed. On the basis of adopting sensor management, which involves sensor movement sequences, sensor location arrangement, lifetime requirement for sensor nodes deploy surveillance environment, and the data fusion center, are addressed too. Simulation results from the lifetime performance for sensor nodes defeated by parameters about the environment around the WSNs are illustrated. Parameters aforementioned are including sensing distance, path loss factor, number bits of a transmitted packet, and interference suffering from the path of data transmission etc. Furthermore, the algorithm of sensor location arrangement is modified for the purpose of improving the lifetime performance in WSNs environments. In addition, simulation results show that the proposed algorithm in this paper is not only definitely to improve the energy efficient sufficiently, but the sensing accuracy and the lifetime performance of the sensor nodes are also prolonged significantly.
