Cooperative transmission schemes for energy-efficient collaborative wireless sensor networks

Muhammad Naeem, Mohammad Patwary, Abdel-Hamid Soliman, Mohamed Abdel-Maguid

    Research output: Contribution to journalArticlepeer-review


    Energy conservation is one of the prime concerns that leads the researcher to investigate collaborative wireless sensor networks with some application specific challenges. Such challenges include combining distributed data synchronously, performing power aware signal processing, defining communication methods that can provide progressive accuracy and, optimising processing and communication for signal transmission. A cooperative resource selection and transmission scheme is proposed to improve the performance of collaborative wireless sensor networks in terms of maintaining link reliability. A measure of Channel Quality Index (CQI) is also proposed to obtain dynamic adaptivity and to optimise resource usage within wireless sensor networks according to environment conditions. As part of the proposed cooperative nature of transmission, the recently proposed transmit-receive antenna selection scheme and lattice reduction algorithm have also been considered. It is assumed that channel state information (CSI) is estimated at receiver and also there is a feedback link between the wireless sensing nodes and the fusion centre receiver. From the simulation results it is observed that for 99.99% detection reliability, the proposed adaptive transmission scheme and proposed hybrid scheme consume only 15% and 18% of energy respectively as compared to the conventional cooperative transmission.
    Original languageEnglish
    Pages (from-to)391 - 398
    Number of pages8
    JournalIET Science, Measurement and Technology
    Issue number6
    Publication statusPublished - 5 Sept 2014


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