First-Fit Scheduling for Beaconing in Multihop Wireless Networks | IEEE Conference Publication | IEEE Xplore
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First-Fit Scheduling for Beaconing in Multihop Wireless Networks


Abstract:

Beaconing is a primitive communication task in which every node locally broadcasts a packet to all its neighbors within a fixed distance. Assume that all communications p...Show More

Abstract:

Beaconing is a primitive communication task in which every node locally broadcasts a packet to all its neighbors within a fixed distance. Assume that all communications proceed in synchronous time-slots and each node can transmit at most one fixed-size packet in each time-slot. The problem Minimum-latency beaconing schedule (MLBS) in multihop wireless networks seeks a shortest schedule for beaconing subject to the interference constraint. MLBS has been intensively studied since the mid-1980s, but all assume the protocol interference model with uniform interference radii. In this paper, we first present a constant-approximation algorithm for MLBS under the protocol interference model with arbitrary interference radii. Then, we develop a constant-approximation algorithm for MLBS under the physical interference model. Both approximation algorithms have efficient implementations in a greedy first-fit manner.
Date of Conference: 14-19 March 2010
Date Added to IEEE Xplore: 06 May 2010
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Conference Location: San Diego, CA, USA

References

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