Personal profile
Research Interests
Telecommunications: synchronization and end-to-end timing transfer in networks including satellite networks, jitter;
Wireless communications: SDR, satellite communications, satellite ranging, propagation models for wireless communication in offshore wind farms
Metastability. Signal processing, especially nonlinear signal processing in a range of application areas:
Biomedical: blind deconvolution to recover MUAP from EMG signals, inverse filtering to recover firing patterns;
Speech: deconvolution and inverse filtering to recover glottal source, glottal source modelling and analysis;
Music: polyphonic music transcription, polyphonic pitch detection, onset detection; Higher Order Statistics, especially bispectrum;
Education/Academic qualification
PhD, Frame Sychnronization Techniques and Jitter Generation: Analysis, Modelling and Enhancement, Curtin University
Award Date: 15 Mar 1997
Bachelor, Bachelor of Engineering, University of Western Australia
Award Date: 1 Jan 1993
Bachelor, B.A., University of Western Australia
Award Date: 1 Jan 1988
External positions
Operative Research Centre in Broadband Telecoms - Research Engineer, Co-Operative Research Centre in Broadband Telecoms
8 Dec 1996 → 31 Oct 1997
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Collaborations and top research areas from the last five years
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Wireless Network for Offshore Renewable Energy Installations- Software Defined Radio Approach
Rao, S. & Walker, J., 2023, OCEANS 2023 - Limerick, OCEANS Limerick 2023. Institute of Electrical and Electronics Engineers Inc., (OCEANS 2023 - Limerick, OCEANS Limerick 2023).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open Access -
Direct Sequence Spread Spectrum Experiments using GNU Radio Companion SDR
Taylor, D. R., Walker, J. & Strunz, B., 2021, 2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications, TELSIKS 2021 - Proceedings. Milovanovic, B. D., Doncov, N. S., Stankovic, Z. Z. & Stosic, B. P. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 41-44 4 p. (2021 15th International Conference on Advanced Technologies, Systems and Services in Telecommunications, TELSIKS 2021 - Proceedings).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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A method of morphing spectral envelopes of the singing voice for use with backing vocals
Roddy, M. & Walker, J., 2014, In: Proceedings of the International Conference on Digital Audio Effects, DAFx.Research output: Contribution to journal › Conference article › peer-review
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A preliminary model for the synthesis of source spaciousness
Pigott, D. & Walker, J., 2014, In: Proceedings of the International Conference on Digital Audio Effects, DAFx.Research output: Contribution to journal › Conference article › peer-review