Power allocation in cooperative sensor networks: a stochastic approximation approach
- Author(s): Mohammad Abdul Azim 1 and Zeyar Aung 1
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Affiliations:
1:
Electrical and Computer Engineering , Masdar Institute of Science and Technology , Masdar City , Abu Dhabi , United Arab Emirates
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Affiliations:
1:
Electrical and Computer Engineering , Masdar Institute of Science and Technology , Masdar City , Abu Dhabi , United Arab Emirates
- Source:
Volume 2015, Issue 1,
January
2015,
p.
48 – 53
DOI: 10.1049/joe.2014.0184 , Online ISSN 2051-3305
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A power allocation technique based on simultaneous perturbation stochastic approximation is devised for wireless sensor networks. Power is such allocated in source and relay that at receiver the desired combined signal strength is attained. The behaviour of the proposed technique is evaluated in a modified simple carrier sense multiple access-collision avoidance-based access control mechanism along with the greedy forwarding approach. Results show the superior performance of the cooperative relay scheme both in throughput and energy gain.
Inspec keywords: perturbation techniques; greedy algorithms; access control; approximation theory; wireless sensor networks; stochastic processes; cooperative communication
Other keywords: combined signal strength; power allocation technique; wireless sensor networks; greedy forwarding approach; stochastic approximation approach; cooperative sensor networks; cooperative relay scheme; simultaneous perturbation stochastic approximation; carrier sense multiple access-collision avoidance-based access control mechanism
Subjects: Wireless sensor networks; Interpolation and function approximation (numerical analysis); Other topics in statistics
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