An experimental study on connectivity and topology control in real multi-hop wireless networks

Authors:
Alvin Valera;Pius W. Q. Lee;Yew Fai Wong;Winston K. G. Seah;Hwee-Pink Tan;Han Ju
Affiliations:
Institute for Infocomm Research (I²R), Connexis, Singapore;Institute for Infocomm Research (I²R), Connexis, Singapore;National University of Singapore (NUS), Singapore;Institute for Infocomm Research (I²R), Connexis, Singapore;Institute for Infocomm Research (I²R), Connexis, Singapore;National University of Singapore (NUS), Singapore
Venue:
Proceedings of the 4th Annual International Conference on Wireless Internet
Year:
2008

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Abstract

Topology control by means of transmit power adjustment is a well-studied technique for improving the network capacity and energy efficiency of wireless ad hoc networks. In this paper, we investigate the feasibility of connectivity and topology control in a real IEEE 802.11b testbed composed of inexpensive commercial-off-the-shelf (COTS) routers. Although topology control via transmit power adjustment is feasible based on analytical studies and emulations, it is difficult in practice for the range provided by COTS wireless routers.