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In this paper, the authors examine the problem of power-aware topology control for wireless ad-hoc networks. The reliance on wireless multihop communications to maintain connectivity among nodes adds new complexity on the design and operation of the wireless ad-hoc networks. In particular, the lack of a physical backbone infrastructure poses a strong need of topology control of the network. Generally speaking, if a protocol is designed based on overlaying a virtual infrastructure on the wireless multi-hop network, its performance can be greatly enhanced.
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