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中文摘要：
将节点功率控制与数据聚合有机结合，为进一步降低网络能耗提供了可能，但是也给路由算法的设计带来了新的挑战。为此，针对WSNs中结合数据聚合的节能数据传递方式进行了研究，提出了一种新的最大化网络生命期的路由算法。该算法采用模拟退火算法最优化数据聚合点的选择，均衡节点能耗，最大化网络生命期。仿真结果表明该算法性能明显优于现有算法，达到了提高网络生命期的目的。
英文摘要：
The efficient combination of nodal power control and data aggregation provides the possibility to further reduce the energy consumption of the network ; however, it also proposes new challenges to the design of routing algorithm, This paper studied energy efficient data delivery strategy in WSNs that takes data aggregation into consideration, and presented a novel routing algorithm that maximizes network lifetime. The algorithm employed SA to achieve an optimal selection of aggregation points, balanced the power consumption of sensor nodes, and maximized network lifetime. Simulation results show that this approach significantly out performs existing algorithms, and prove that the presented algorithm achieves the goal of increasing network lifetime.
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