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中文摘要：
无线Ad hoc网络中节点电池的能量有限，为了延长节点的生存时间，必须有效提高电池的利用率。拓扑控制是提高Ad hoc网络能量利用率的一种重要的机制。概述了面向节能的两种基本拓扑控制机制，提出了一种能量有效的QoS拓扑控制算法EEQTC算法。算法在给定平面中的节点集合以及任意节点对间的QoS需求下，通过计算每个节点的发送功率P，使节点以发送功率P来构建网络拓扑结构，这种拓扑结构不仅能够满足任意节点对间的QoS需求，而且最小化了节点的发射功率，提高了网络的能量使用效率。仿真研究表明，算法生成的网络拓扑结构在满足QoS需求的条件下，有效的减少了节点的能量消耗，提高了网络的能量有效性。
英文摘要：
In wireless Ad hoc networks, each node is usually powered by a battery equipped with it. Since the capacity of battery power is limited, So in order to prolong the lifetime of the network nodes, use the battery effectively is needful. Topology control is an important measure to improve the energy efficiency of the wireless Ad hoc network. This paper proposes a QoS topology control algorithm. Given a set of nodes in a plane, end - to - end traffic demands and delay bounds between node pairs, this algorithm is to find a network topology that can meet the QoS requirements and the transmitting power of the network nodes is minimized. Simulation results show that this algorithm can get a topology which can meet the QoS requirements and the transmitting power of the nodes is minimized.
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