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可充电传感器网络各节点能耗不一,在限定路径的条件下如何提高移动充电车对网络节点能量补给是一个挑战性问题。本文提出了一种能量补给策略,首先将整个网络划分为多个网格,在每个网格内选出部分节点作为候选充电节点,再计算每个网格的可补给能量,在限定的路径长度下,选择部分可补给能量最大的网格作为充电车的访问目标。仿真结果表明:该策略可在保证网络持久运作的情况下有效地提高充电车每轮能量补给总量,并降低网络数据收集能耗。
Rechargeable sensor network energy consumption of different nodes, in the limited path under the conditions of how to improve the mobile charging car network node energy supply is a challenging issue. In this paper, a strategy of energy supply is proposed. Firstly, the whole network is divided into several grids. Some nodes are selected as candidate charging nodes in each grid, and then the replenishment energy of each grid is calculated. In a limited path Length, select the part of the grid can be recharged energy maximum grid as the charging car’s target. The simulation results show that this strategy can effectively increase the total energy replenishment volume per round of charging vehicles and reduce the energy consumption of network data collection while ensuring the long-term operation of the network.