To allow development of highly reliable wide-band mobile communications on industrial sites it is imperative to be able to characterise the multi-path performance of the propagation. This performance can be statistically characterised with channel impulse response (CIR) results. Such results from a wide variety of industrial environments are used with bit error ratio (BER) measurements to predict irreducible-BER performance as a function of RMS delay spread (RDS). These are compared to Chuang's simulation results and are first experimental results to challenge and to some extent confirm those results. The way these results can be used in developing communications systems for industrial sites is discussed.
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The work described in this paper took place at the University of Leeds, U.K. and was supported by the EC under ESPRIT project 27035, ‘mofdi’.
Andrew H. Kemp received a BSc from the University of York, UK, in 1984 and Ph.D. from the University of Hull, U.K., in 1991. His doctoral studies investigated the use of complementary sequences in multi-functional architectures for use in CDMA systems. He spent several years working in Libya and South Africa assisting in seismic exploration and worked at the University of Bradford as a research assistant investigating the use of Blum, Blum and Shub sequences for cryptographically secure 3rd generation systems. More recently he helped develop wireless fieldbus systems for industrial sites and is now lecturing at the University of Leeds, U.K. in communications. Andrew has over 30 scientific journal and conference papers and a book chapter published. His research interests are in multi-path propagation studies to assist system development and wireless broadband connection to computer networks incorporating quality of service provision.
Stephen K. Barton received the BSc(Eng) degree in Electronic and Electrical Engineering from University College London, U.K., in 1970 and the MSc degree in Telecommunications Systems from the University of Essex, U.K., in 1974.
From 1970 to 1976 he was employed by Marconi Research Laboratories, principally on high speed fast acquisition modems for satellite TDMA. From 1976 to 1980 he was with Her Majesty's Government Communications Centre, working on GaAs FET oscillators and conformal antennas. From 1980 to 1985, he was with the Rutherford Appleton Laboratory, where he originated the Communications Engineering Research Satellite project. From 1985 to 1989 he was with Signal Processors Ltd. working on Adaptive TDMA modems and digital receivers generally. From 1989 to 1998 he was with the University of Bradford, from 1998 to 1999 he was with the University of Leeds, and since 1999 he is with the University of Manchester. His research interests include Wireless LANs, MAC and routing protocols, multi-carrier modulation/demodulation, CDMA, channel equalisation and near/far resistant detection algorithms. From 1993 to 1996 he was chairman of Working Group 3: Broadband Systems, of the European Co-operation in Science and Technology programme: COST 231: Evolution of Land Mobile Radio (including personal) Communications. From 1997 to 2000 he was chairman of Working Group 1: Radio System Aspects, of COST 259: Wireless Flexible Personalised Communications. Since 2001, he is the UK National representative to COST 273: Towards Mobile Broadband Mutimedia Networks.
Prof Barton is a Fellow of the IEE and a Senior Member of the IEEE.
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Kemp, A.H., Barton, S.K. The Impact of Delay Spread on Irreducible Errors for Wideband Channels on Industrial Sites. Wireless Pers Commun 34, 307–319 (2005). https://doi.org/10.1007/s11277-005-5230-2
- delay spread
- irreducible BER
- multi-path propagation
- wide-band communications