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首页> 外文会议>Association for Computing Machinery(ACM) International Symposium on Mobile Ad Hoc Networking and Computing(MOBIHOC 2004); 20040524-26; Tokyo(JP) >Antenna Orientation Optimization for Minimum-Energy Multicast Tree Construction in Wireless Ad Hoc Networks with Directional Antennas
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Antenna Orientation Optimization for Minimum-Energy Multicast Tree Construction in Wireless Ad Hoc Networks with Directional Antennas

机译：定向天线无线自组网中最小能量组播树构建的天线方向优化

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摘要

Energy conservation is a critical issue in wireless ad hoc networks since batteries are the only energy source to power the nodes. One major metric for energy conservation is to route a communication session along the routes which require the lowest total energy consumption when all nodes are equipped with a finite and non-renewable amount of energy. To explore advantages offered by the use of directional antennas, we consider the case of source initiated multicast traffic in wireless ad hoc networks that use switched antennas and have limited energy resources. In this paper, we present a constraint formulation in terms of mixed integer linear programming, which can be used for an optimal solution of the minimum-energy multicast problem in wireless ad hoc networks with directional antennas. The optimal solutions can be used to assess the performance of heuristic algorithms for mobile networks by running them at discrete time instances.
机译：节能是无线自组织网络中的一个关键问题，因为电池是为节点供电的唯一能源。节能的一项主要指标是在所有节点都配备了有限且不可再生的能量时，沿着要求最低总能耗的路线进行通信会话。为了探索使用定向天线提供的优势，我们考虑了使用交换天线且能源资源有限的无线自组织网络中源发起的多播流量的情况。在本文中，我们提出了一种基于混合整数线性规划的约束条件公式，该约束条件公式可用于带方向性天线的无线自组织网络中最小能量多播问题的最佳解决方案。最佳解决方案可用于通过在离散时间实例上运行启发式算法来评估移动网络的性能。

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