Background
Parsons, John David was born on July 8, 1935 in Ebbw Vale, Gwent, England. Son of Oswald and Doris Anita (Roberts) Parsons.
(Mobile systems operate in a variety of different scenario...)
Mobile systems operate in a variety of different scenarios. These include remote rural areas, where the terrain is irregular, dense urban areas where buildings dominate, and even inside those buildings. Equipment can either be carried by pedestrians or be in a high-speed vehicle or train. Various alternative methods of predicting the mean signal strength and its variability are surveyed and their applicability to a particular situation is discussed. Ray-tracing methods are introduced in connection with indoor propagation. Multipath, probably the single most destructive influence on mobile systems is extensively characterised, and its effects on narrowband and wideband systems are discussed. Channel sounders, used to obtain practical measurements, are described and methods of hardware and software simulation are reviewed. The emphasis throughout is on a physical understanding of the phenomena which influence radio signals in mobile radio systems.
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Electrical engineering educator
Parsons, John David was born on July 8, 1935 in Ebbw Vale, Gwent, England. Son of Oswald and Doris Anita (Roberts) Parsons.
Bachelor of Science, University Wales, 1959. Master of Science in Engineering, University London, 1967. Doctor of Science in Engineering, University London, 1984.
Engineer, General Electric Company Ltd., London, 1959-1962;
lecturer, senior lecturer, Regent St. Polytechnic, London, 1962-1969;
lecturer, reader, U. Birmingham, England, 1969-1982;
professor, head Department, University Liverpool, England, since 1982;
dean engineering, U. Liverpool, England, 1986-1989;
pro vice-chancellor, U. Liverpool, England, 1990-1996. Director Freshfield Comm. Ltd., Liverpool, 1989-1995, Data Information Systems Ltd., London, since 1989.
United Nations expert in telecommunications, Delhi, India, 1977. Consultant several companies and government bodies, since 1982.
(Mobile systems operate in a variety of different scenario...)
Fellow Royal Academy Engineering, Institution Electrical Engineers (Blumlein-Browne-Williams Premium 1975, Marconi Premium 1982, 92).
Married Mary Winifred Tate, July 19, 1969.