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Position Accuracy and Distributed Beamforming Performance in WSNs: A Simulation Study

Author

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  • José Casca

    (Instituto de Telecomunicações (IT), 3810-193 Aveiro, Portugal
    Department of Electrical and Computer Engineering (DEEC), University of Coimbra (UC), 3030-290 Coimbra, Portugal
    These authors contributed equally to this work.)

  • Prabhat Gupta

    (Instituto de Telecomunicações (IT), 3810-193 Aveiro, Portugal
    Department of Electrical and Computer Engineering (DEEC), University of Coimbra (UC), 3030-290 Coimbra, Portugal
    These authors contributed equally to this work.)

  • Marco Gomes

    (Instituto de Telecomunicações (IT), 3810-193 Aveiro, Portugal
    Department of Electrical and Computer Engineering (DEEC), University of Coimbra (UC), 3030-290 Coimbra, Portugal
    These authors contributed equally to this work.)

  • Vitor Silva

    (Instituto de Telecomunicações (IT), 3810-193 Aveiro, Portugal
    Department of Electrical and Computer Engineering (DEEC), University of Coimbra (UC), 3030-290 Coimbra, Portugal
    These authors contributed equally to this work.)

  • Rui Dinis

    (Instituto de Telecomunicações (IT), 3810-193 Aveiro, Portugal
    Faculdade de Ciências e Tecnologia (FCT), Universidade Nova de Lisboa (UNL), 2829-516 Caparica, Portugal
    These authors contributed equally to this work.)

Abstract

This work investigates the performance of distributed beamforming in Wireless Sensor Networks (WSNs), focusing on the impact of node position errors. A comprehensive simulation testbed was developed to assess how varying network topologies and position uncertainties impact system performance. Our results reveal that distributed beamforming in the near-field is highly sensitive to position errors, resulting in a noticeable degradation in performance, particularly in terms of Bit Error Rate (BER). Cramer–Rao Lower Bound (CRB) was used to analyse the theoretical limitations of position estimation accuracy and how these limitations affect beamforming performance. These findings underscore the critical importance of accurate localisation techniques and robust beamforming algorithms to fully realise the potential of distributed beamforming in practical WSN applications.

Suggested Citation

  • José Casca & Prabhat Gupta & Marco Gomes & Vitor Silva & Rui Dinis, 2025. "Position Accuracy and Distributed Beamforming Performance in WSNs: A Simulation Study," Future Internet, MDPI, vol. 17(6), pages 1-12, May.
    • Handle: RePEc:gam:jftint:v:17:y:2025:i:6:p:236-:d:1665672
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