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A Comparison of CDMA and Frequency Hopping in a Cellular Environment

Mandell, Michael I. and McEliece, Robert J. (1992) A Comparison of CDMA and Frequency Hopping in a Cellular Environment. In: 1st International Conference on Universal Personal Communications, Proceedings (ICUPC '92). IEEE , Piscataway, NJ, p. 252. ISBN 0-7803-0591-4.

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This paper compares the performances of direct sequence code division multiple access (CDMA) and frequency hopping (FH) schemes in a cellular multiuser environment. The multiuser channel model incorporates the effects of propagation, frequency selective fading, and interference among users in the presence of a constrained system bandwidth. This channel model is applicable for cellular mobile communications, as well as other forms of personal communications. The CDMA and FH systems are compared using BPSK modulation. The main point of contrast between these systems is that the orthogonal hopping patterns in a FH system result in a decreased additive interference power, however the frequency spreading nature of CDMA results in the ability to combat fading. An information theoretic analysis is presented, which shows that system capacities are far above the performances achieved using simple coding schemes

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Additional Information:© 1993 IEEE. Issue Date: 29 Sep-1 Oct 1992; Meeting Date: 29 Sep 1992 - 01 Oct 1992. This work is supported by grants from GTE Laboratories and Pacific Bell, and AFOSR Grant 91-0037.
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Air Force Office of Scientific Research (AFOSR)91-0037
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INSPEC Accession Number4446045
Record Number:CaltechAUTHORS:20120307-114648821
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Official Citation:Mandell, M.I.; McEliece, R.J.; , "A comparison of CDMA and frequency hopping in a cellular environment," Universal Personal Communications, 1992. ICUPC '92 Proceedings., 1st International Conference on , vol., no., pp.07.01/1-07.01/5, 29 Sep-1 Oct 1992 doi: 10.1109/ICUPC.1992.240779
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:29620
Deposited On:12 Mar 2012 22:04
Last Modified:09 Nov 2021 17:08

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