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http://dx.doi.org/10.7840/kics.2014.39B.9.561

Probabilistic Neighbor Discovery Algorithm in Wireless Ad Hoc Networks  

Song, Taewon (Korea University School of Electrical Engineering)
Park, Hyunhee (INRIA French Institute for Research in Computer Science and Control)
Pack, Sangheon (Korea University School of Electrical Engineering)
Abstract
In wireless ad hoc networks, neighbor discovery is essential in the network initialization and the design of routing, topology control, and medium access control algorithms. Therefore, efficient neighbor discovery algorithms should be devised for self-organization in wireless ad hoc networks. In this paper, we propose a probabilistic neighbor discovery (PND) algorithm, which aims at reducing the neighbor discovery time by adjusting the transmission probability of advertisement messages through the multiplicative-increase/multiplicative-decrease (MIMD) policy. To further improve PND, we consider the collision detection (CD) capability in which a device can distinguish between successful reception and collision of advertisement messages. Simulation results show that the transmission probabilities of PND and PND with CD converge on the optimal value quickly although the number of devices is unknown. As a result, PND and PND with CD can reduce the neighbor discovery time by 15.6% to 57.0% compared with the ALOHA-like neighbor discovery algorithm.
Keywords
Collision detection; distributed MAC; neighbor discovery; wireless ad hoc networks;
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Times Cited By KSCI : 1  (Citation Analysis)
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