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Topology control for multihop packet radio networks

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1 Author(s)
Hu, L. ; IBM T. J. Watson Res. Center, Yorktown Heights, NY, USA

A distributed topology-control algorithm has been developed for each node in a packet radio network (PRN) to control its transmitting power and logical neighbors for a reliable high-throughput topology. The algorithm first constructs a planar triangulation from locations of all nodes as a starting topology. Then, the minimum angles of all triangles in the planar triangulation are maximized by means of edge switching to improve connectivity and throughput. The resulting triangulation at this stage, the Delaunay triangulation, can be determined locally at each node. The topology is modified by negotiating among neighbors to satisfy a design requirement on the nodal degree parameter. Simulations show that the final topology is degree-bounded, has a rather regular and uniform structure, and has throughput and reliability that are greater than that of a number of alternative topologies

Published in:

Communications, IEEE Transactions on  (Volume:41 ,  Issue: 10 )

Date of Publication:

Oct 1993

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