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Localized topology control for heterogeneous wireless ad-hoc networks

机译:异构无线自组织网络的局部拓扑控制

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We study topology control in heterogeneous wireless ad hoc networks, where mobile hosts may have different maximum transmission powers and two nodes are connected if they are within the maximum transmission range of each other. We present several strategies so that all wireless nodes self-maintain sparse and power efficient topologies in heterogeneous network environments with low communication cost. The first structure is sparse and can be used for broadcasting. The second structure keeps the minimum power consumption path, and the third structure is a length and power spanner with a bounded degree. Both the second and third structures are power efficient and can be used for unicast. Here a structure is power efficient if the total power consumption of the least cost path connecting any two nodes in it is no more than a small constant factor of that in the original heterogeneous communication graph. All our methods use at most O(n) total messages, where each message has O(logn) bits.
机译:我们研究了异构无线ad hoc网络中的拓扑控制,在该拓扑中,移动主机可能具有不同的最大传输功率,并且如果两个节点相互之间处于最大传输范围内,则两个节点已连接。我们提出了几种策略,以使所有无线节点在异构网络环境中以较低的通信成本自我维护稀疏且高效的拓扑。第一种结构稀疏,可以用于广播。第二个结构保持最小的功耗路径,第三个结构是具有一定程度的长度和功率扳手。第二结构和第三结构均具有高功率效率,并且可用于单播。如果连接其中任何两个节点的成本最低的路径的总功耗不超过原始异构通信图中的常数因子,则该结构具有较高的功率效率。我们所有的方法最多使用O(n)条消息,其中每条消息具有O(logn)位。

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