BSART (Broadcasting with Selected Acknowledgements and Repeat Transmissions) for Reliable and Low-Cost Broadcasting in the Mobile Ad-Hoc Network

Authors:
Ingu Han;Kee-Wook Rim;Jung-Hyun Lee
Affiliations:
Dept. of computer science & information technology, Inha University,;Dept. of computer & information science, Sunmoon University,;Dept. of computer science & information technology, Inha University,
Venue:
SEUS '09 Proceedings of the 7th IFIP WG 10.2 International Workshop on Software Technologies for Embedded and Ubiquitous Systems
Year:
2009

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Abstract

In this paper, we suggest enhanced broadcasting method, named 'BSART(Broadcasting with Selected Acknowledgement and Repeat Transmissions)' which reduces broadcast storm and ACK implosion on the mobile adhoc network with switched beam antenna elements that can enable bidirectional communication. To reduce broadcast storm, we uses DPDP(Directional Partial Dominant Pruning) method, too. To control ACK implosion problem rising on reliable transmission based on ACK, in case of the number of nodes that required message reception is more than throughput, each nodes retransmit messages constant times without ACK which considering message transmission success probability through related antenna elements(R - method). Otherwise, the number of message reception nodes is less than throughput, each node verify message reception with ACK with these antenna elements(A - method). In this paper, we suggest mixed R - /A - method. This method not only can control the number of message transmitting nodes, can manage the number of ACK for each antenna elements. By simulations, we proved that our method provides higher transmission rate than legacy system, reduces broadcast messages and ACKs.