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Adaptive Topology Control for Mobile Ad Hoc Networks

机译：移动自组织网络的自适应拓扑控制

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摘要

In MANETs, mobile devices are usually powered by batteries with limited energy supplies. Topology control is a promising approach, which conserves energy by either reducing transmission power for each node or preserving energy-efficient routes for the entire network. However, there is empirically a trade-off between the energy efficiency of the nodes and routes in a topology. Besides, it may consume considerable energy to maintain the topology due to node mobility. In this paper, we propose an adaptive topology control protocol for mobile nodes. The protocol allows each node to decide whether to support energy-efficient routing or conserve its own energy. Moreover, it can drastically shrink the broadcasting power of beacon messages for mobile nodes. We prove that any reconstruction and change of broadcasting radius converge in four and five beacon intervals, respectively. The experimental results show that our protocol can significantly reduce the total energy consumption for each successfully transmitted packet, and prolong the life times of nodes, especially in high mobility environments.
机译：在MANET中，移动设备通常由电源有限的电池供电。拓扑控制是一种有前途的方法，它可以通过减少每个节点的传输功率或为整个网络保留节能路由来节省能量。但是，根据经验，拓扑结构中的节点和路由的能量效率之间存在权衡。此外，由于节点移动性，维护拓扑可能会消耗大量能量。在本文中，我们提出了一种适用于移动节点的自适应拓扑控制协议。该协议允许每个节点决定是支持节能路由还是保存自己的能量。而且，它可以极大地减小移动节点的信标消息的广播能力。我们证明，广播半径的任何重构和变化都分别在四个和五个信标间隔中收敛。实验结果表明，我们的协议可以显着降低每个成功传输数据包的总能耗，并延长节点的使用寿命，尤其是在高移动性环境中。

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