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Dr Mohammed Zaki Ahmed PhD, MEng, BEng(Hons), MIET, MIEEE, FHEA, FJSPS

Senior Lecturer in Information Technology

Brief biographical information

mohammed.ahmed@plymouth.ac.uk
http://www.mendeley.com/profiles/mohammed-zaki-ahmed/

  

Research interests

  • Communication Theory
  • Digital Signal Processing
  • Error Correction Coding
  • Information Storage

Education/qualifications

  • PhD. Digital Communications (2000-2003)
  • MEng. Information Engineering (Distinction) (1997-1999)
  • BEng. (Hons) Communication Engineering (First Class Hons.) (1996-1999)

Professional memberships

  • FJSPS (Fellow of the Japanese Society for the Promotion of Science)
  • MIEEE (Member of the Institute of Electrical and Electronic Engineers 41322016)
  • MIET (Member of the Institution of Engineering and Technology 32194979)
  • FHEA (Fellow of The Higher Education Academy - 26357)

Journal papers

Optimal and Suboptimal Multi Antenna Spectrum Sensing Techniques with Master Node Cooperation for Cognitive Radio Systems
Alghamdi OA, Ahmed MZ
Journal of Communications (JCM) , vol. 6, No.7, pp 512-523, ISSN 1796-2021, 2011
More details | External link available

Scaling laws of marine predator search behaviour
Sims DW, Southall EJ, Humphries NE, Hays GC, Bradshaw CJA, Pitchford JW, James A, Ahmed MZ, Brierley AS, Hindell MA, Morritt D, Musyl MK, Righton D, Shepard ELC, Wearmouth VJ, Wilson RP, Witt MJ, Metcalfe JD
Nature, Volume 451, Number 28, pp. 1098-1102, 2008
More details | External link available

Novel Soft-Feedback Equalization Method for Multilevel Magnetic Recording Magnetics
Shah P, Ahmed MZ, Ambroze MA, Tjhai CJ, Davey PJ
IEEE Transactions on Magnetics, Volume 43, Number 6, pp. 2280-2282, 2007
More details | External link available

Improved Data Recovery from Patterned Media With Inherent Jitter Noise Using Low-Density Parity-Check Codes
Ntokas I, Nutter P, Tjhai CJ, Ahmed MZ
IEEE Transactions on Magnetics, Volume 43, Number 10, pp. 3925-3929, 2007
More details | External link available

Diel and tidal rhythms in diving behaviour of pelagic sharks identified by signal processing of archival tagging data
Shepard ELC, Ahmed MZ, Southall EJ, Witt MJ, Metcalfe JD, Sims DW
Marine Ecology Progress Series, Volume 328, pp. 205-213, 2006
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Idempotent, Mattson-Solomon polynomials and binary LDPC codes
Horan R, Tjhai CJ, Tomlinson M, Ambroze MA, Ahmed MZ
IEE Proceedings Communications, Volume 153, Issue 2, pp. 256-262, 2006
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New Linear Codes Derived from Binary Cyclic Codes of Length 151
Tjhai CJ, Tomlinson M, Grassl M, Horan R, Ahmed MZ, Ambroze MA
IEE Proceedings Communications, Volume 153, Issue 5, pp. 581-585, 2006
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Constructive inter-track interference codes for perpendicular magnetic recording
Ahmed MZ, Davey PJ, Kurihara Y
Journal of Magnetism and Magnetic Materials, Volume 287, pp. 432-436, 2005
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Cyclotomic idempotent-based binary cyclic codes
Tjhai CJ, Tomlinson M, Ambroze MA, Ahmed MZ
Electronics Letters, Volume 41, Issue 6, pp. 341-343, 2005
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Track squeeze using adaptive inter-track interference equalisation
Ahmed MZ, Donnelly T, Davey PJ, Clegg WW
IEEE Transactions on Magnetics, Volume 38, Number 5, pp. 2331-2333, 2002
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Increased areal density using a 2-dimensional approach
Ahmed MZ, Donnelly T, Davey PJ, Clegg WW
IEEE Transactions on Magnetics, Volume 37, Number 4, pp. 1896-1898, 2001
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11 Journal papers

Conference papers

New optimization method for cooperative spectrum sensing in cognitive radio networks
Alghamdi OA, Ahmed MZ
WiAd 2011 : IEEE Wireless Advanced (WiAd) Conference, London, UK, pp329-335, ISBN: 0-9539572-2-5, 2011
More details | External link available

Probabilities of Detection and False Alarm in MTM- Based Spectrum Sensing for Cognitive Radio Systems
Alghamdi OA, Abu-Rgheff MA, Ahmed MZ
EMERGING 2010 : The Second International Conference on Emerging Network Intelligence, Florence, Italy, 25-30 Oct, ISBN: 978-1-61208-103-8, pp114-119, 2010
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MTM Parameters Optimization for 64-FFT Cognitive Radio Spectrum Sensing using Monte Carlo Simulation
Alghamdi OA, Abu-Rgheff MA, Ahmed MZ
EMERGING 2010 : The Second International Conference on Emerging Network Intelligence, Florence, Italy, 25-30 Oct, ISBN: 978-1-61208-103-8, pp107-113, 2010
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Probabilities of Detection and False Alarm in Multitaper Based Spectrum Sensing for Cognitive Radio Systems in AWGN
Alghamdi OA, Ahmed MZ, Abu-Rgheff MA
The IEEE International Conference on Communication Systems (IEEE ICCS 2010) Singapore, 17-19 Nov, ISBN: 978-1-4244-7005-1, pp579-584, 2010
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Biorthogonal matrix dirty paper coding for information hiding in still images
Xu X, Tomlinson M, Ambroze MA, Ahmed MZ
2nd International Conference on Digital Information Management, ICDIM 07, pp.454 - 459, 2007
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Analysis of the Distribution of the Number of Correctable Erasures for Turbo Codes with DRP Interleavers
Ambroze MA, Tomlinson M, Tjhai CJ, Ahmed MZ
IEEE Information Theory Workshop, ITW 07, pp.214-217, 2007
More details | External link available

Advances in Iterative Decoding and Maximum Likelihood Decoding for the Packet Network with Comparisons to Fountain Codes over the Erasure Channel
Cai J, Tomlinson M, Tjhai CJ, Ambroze MA, Ahmed MZ
Proceedings of the 4th International Symposium on Turbo Codes & Related Topics; 6th International ITG-Conference on Source and Channel Coding, Munich, Germany, 3-7 April, 2006
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Some Results on the Weight Distributions of the Binary Double-Circulant Codes Based on Primes
Tjhai CJ, Tomlinson M, Horan R, Ahmed MZ, Ambroze MA
10th IEEE Singapore International Conference on Communication systems, ICCS 06, pp.1-5, 2006
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On the Efficient Codewords Counting Algorithm and the Weight Distributions of the Binary Quadratic Double-Circulant Codes
Tjhai CJ, Tomlinson M, Horan R, Ahmed MZ, Ambroze MA
IEEE Information Theory Workshop, ITW 06, pp. 42-46, 2006
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Comparison of Concatenated Reed-Solomon Coding with Hard-decision to Soft-decision LDPC Coding for the Rayleigh Fading Channel
Cai J, Tomlinson M, Tjhai CJ, Ambroze MA, Ahmed MZ
IEEE Information Theory Workshop, ITW 06, Chengdu, China, 22-26 Oct, pp.135-139, 2006
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Comparisons of Orthogonalisation and Writing-On-Dirty-Paper Schemes for High Capacity Watermarking
Xu X, Tomlinson M, Ambroze MA, Ahmed MZ
IEEE Global Telecommunications Conference, GLOBECOM 06, pp. 1-6, 2006
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Erasure correcting codes, network congestion, multicast and broadcast
Cai J, Tjhai CJ, Tomlinson M, Ambroze MA, Ahmed MZ
Proceedings of the 4th IASTED International Conference Communication Systems and Networks, Benidorm, Spain, 12-14 Sep, pp224–229, 2005
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A finite-field transform domain construction of binary low-density parity-check codes
Horan R, Tjhai CJ, Tomlinson M, Ambroze MA, Ahmed MZ
IEEE Information Theory Workshop, ITW 05, pp72-76, 2005
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Enhancement of turbo codes using cyclic redundancy check with interleaver optimisation
Rogers AJ, Tomlinson M, Ambroze MA, Ahmed MZ
Proceedings IEEE International Symposium on Information Theory, ISIT 04, p.508, 2004
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14 Conference papers

Patents granted

A system for the correction of missing or deleted symbols
Tomlinson M, Cai J, Tjhai CJ, Ambroze MA, Ahmed MZ
Intellectual Property Office, UK Patent GB2421599, 2006
Filed: 22/12/2004; A Published: 28/06/2006; B Published: 08/10/2008
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Improved error correction decoder
Tomlinson M, Tjhai CJ, Ahmed MZ, Ambroze MA
Intellectual Property Office, UK Patent GB2426671, 2005
Filed: 09/02/2005; A Published: 29/11/2006; B Published: 19/09/2007
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2 Patents granted

Internal publications

Blind Source Separation using Independent Component Analysis
Kilerci CK, Ahmed MZ
Advances in Communications, Computing, Networks and Security Volume 8, ISBN: 978-1-84102-293-2, pp12-19, 2011
Can be ordered on-line.
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Implementation of RLS Algorithm
Ajmera HV, Ahmed MZ
Advances in Communications, Computing, Networks and Security Volume 7, ISBN: 978-1-84102-283-3, pp246-254, 2010
Can be ordered on-line.
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2 Internal publications

29 publication(s) - all categories.

Editorships / Refereeing for journals

  • Reviewer for IEEE Transactions on Magnetics.
  • Reviewer for IEE Proc. Communications.
  • Reviewer for Intermag, PMRC, Globecom, ICC conferences.

Other international conference activities

  • TPC member Globecom 2008