2023_programme: On the Use of a Janus-like Frame to Estimate the Channel Characteristics in Adaptive Communications

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  • Session: 19. Underwater Communications and Networking
    Organiser(s): Charalampos Tsimenidis, Paul Mitchell and Konstantinos Pelekanakis
  • Lecture: On the Use of a Janus-like Frame to Estimate the Channel Characteristics in Adaptive Communications [invited]
    Paper ID: 1971
    Author(s): Bhattacharya Ananya, Bousquet Jean-Francois, Khalaf Mohammedali
    Presenter: Bousquet Jean-Francois
    Abstract: The JANUS protocol is typically recommended for discovery of nodes in an underwater communication network because its modulation scheme is robust to the acoustic channel impairments. In this work, it is proposed to use a JANUS-like broadcast message to identify the instantaneous channel impairments at the receiver. This can allow to define the modulation parameters in a reconfigurable physical layer. In this work, the algorithm to estimate the gain, multipath properties and Doppler spread is described using a frame that is compatible to the JANUS standard. The algorithm is demonstrated on simulated data, as well as on measured data for a communication link with a bandwidth of 5000 Hz at 27.5 kHz.
      Download the full paper
  • Corresponding author: Prof Jean-Francois Bousquet
    Affiliation: Dalhousie University
    Country: Canada
    e-mail:

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