Distributed Fuzzy Logic-Based Relay Selection Algorithm for Cooperative Wireless Sensor Networks

Relay selection is a technique that can considerably increase the performance of cooperative communications. In this paper, we propose a new relay selection algorithm using fuzzy logic aiming at both network lifetime and end-to-end throughput. The new algorithm operates in a distributed way, running...

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Bibliographic Details
Published in:IEEE sensors journal 2013-11, Vol.13 (11), p.4375-4386
Main Authors: Brante, Glauber, de Santi Peron, Guilherme, Souza, Richard Demo, Abrao, Taufik
Format: Article
Language:English
Subjects:
Batteries
distributed relay selection
Energy consumption
Fuzzy logic
network lifetime
Relays
Sensors
system throughput
Throughput
Wireless sensor networks
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Summary:Relay selection is a technique that can considerably increase the performance of cooperative communications. In this paper, we propose a new relay selection algorithm using fuzzy logic aiming at both network lifetime and end-to-end throughput. The new algorithm operates in a distributed way, running independently at each node, not requiring a central entity for complex coordination. The method considers the channel state of the relay-destination link and the residual energy of its battery. It is shown that the proposed scheme can transmit a larger amount of information during the network lifetime with respect to both the opportunistic (which focuses on throughput) and random (which focuses on lifetime) selection algorithms, increasing the network utility.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2013.2269798