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Practical implementation and stability analysis of ALOHA-Q for wireless sensor networks

Date

2016

Author

Kosunalp S.
Mitchell P.D.
Grace D.
Clarke T.

Metadata

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Abstract

This paper presents the description, practical implementation, and stability analysis of a recently proposed, energy-efficient, medium access control protocol for wireless sensor networks, ALOHA-Q, which employs a reinforcement-learning framework as an intelligent transmission strategy. The channel performance is evaluated through a simulation and experiments conducted using a real-world test-bed. The stability of the system against possible changes in the environment and changing channel conditions is studied with a discussion on the resilience level of the system. A Markov model is derived to represent the system behavior and estimate the time in which the system loses its operation. A novel scheme is also proposed to protect the lifetime of the system when the environment and channel conditions do not sufficiently maintain the system operation. © 2016 ETRI.

Source

ETRI Journal

Volume

38

Issue

5

URI

https://dx.doi.org/10.4218/etrij.16.0115.1030
https://hdl.handle.net/20.500.12403/582

Collections

  • Scopus İndeksli Yayınlar Koleksiyonu [570]
  • WoS İndeksli Yayınlar Koleksiyonu [372]

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    This paper studies the potential of a novel approach to ensure more efficient and intelligent assignment of capacity through medium access control (MAC) in practical wireless sensor networks. Q-Learning is employed as an ...
  • MAC protocols for energy harvesting wireless sensor networks: Survey 

    Kosunalp S. (ETRI, 2015)
    Energy harvesting (EH) technology in the field of wireless sensor networks (WSNs) is gaining increasing popularity through removing the burden of having to replace/recharge depleted energy sources by energy harvester ...
  • Medium access control protocols for wireless sensor networks with ambient energy [Kablosuz Algilayici A?larda Ortam Enerjisi Kullanan Ortam Erişim Protokolleri] 

    Koşunalp S.; Tabakcio?lu M.B. (Institute of Electrical and Electronics Engineers Inc., 2016)
    Wireless sensor networks (WSNs) have recently been a popular research area with a broad range of applications. One of the most significant constraints of WSNs is energy limitation of sensor nodes. Therefore, energy-efficiency ...



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