Efficient algorithm for energy efficient broadcasting in linear radio networks

Authors:
Gautam K. Das;Sandip Das;Subhas C. Nandy
Affiliations:
Indian Statistical Institute, Kolkata, India;Indian Statistical Institute, Kolkata, India;Indian Statistical Institute, Kolkata, India
Venue:
HiPC'04 Proceedings of the 11th international conference on High Performance Computing
Year:
2004

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Abstract

Given a set S of n radio-stations located on a d-dimensional space, a source node s (∈ S) and an integer h (1 ≤ h ≤ |S| – 1), the h-hop broadcast range assignment problem deals with finding the range assignments for the members in S so that s can communicate with all other members in S in at most h-hops, and the total power consumption is minimum The problem is known to be NP-hard for d ≥ 2 We propose an O(n2) time algorithm for the one dimensional version (d = 1) of the problem This is an improvement over the existing results on this problem by a factor of h [5].