The invention relates to a method for maximizing the lifetime of a distributed wireless video sensor network. This method adopts the following steps: first, the introduction of video compression encoding for power consumption, the power consumption of sensor nodes in second, establishing the network encoding power consumption model, third, distortion by jointly optimizing sensor node power allocation, flow control and video, establish lifecycle optimization model, wireless sensor network fourth, using Lagrange duality and subgradient algorithm proposes a distributed algorithm to achieve the network lifetime maximization. The invention can more accurately calculate the power consumption in wireless video sensor networks, sensor networks are best life cycle, can be widely used in distributed wireless video network environment of the life cycle calculation.
【技术实现步骤摘要】
【技术保护点】
１．一种分布式无线视频传感器网络生存期最大化方法，其特征在于采用下述步骤实现无线网络环境中传感器生存期的最大化：第一，在传感器节点功率消耗中引入用于视频压缩编码功率消耗；第二，建立网络编码所耗功率模型，并传感器节点之间传输中采用随机网络编码技术保证无线网络的正确传输；第三，通过联合优化传感器节点功率分配、流量控制和视频失真，建立无线网络生存周期最大化的优化模型；第四，针对建立的优化分配模型，采用凸优化理论使用拉格朗日对偶方法进行求解，提出了一种分布式迭代求解算法，以应用于无中心节点控制的分布式无线传感器网络的构建中。
【技术特征摘要】
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