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Dynamic channel resource allocation in frequency hopped wireless communication systems

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2 Author(s)
Wang, C.C. ; Dept. of Electr. Eng., California Univ., Los Angeles, CA, USA ; Pottie, G.J.

In a conventional TDMA wireless system, the blocking probability is affected by the worst case interference statistics. Modifying the system to a frequency-hopped CDMA (CDMA-FH) system can change the blocking probability to be determined by average statistics. Hopping patterns can be implemented easily using Latin squares. A system using Latin squares of size n guarantees no users in the same cell share any slots and a user and all users in different cells share only one out of every n slots. Channel coding over hops then suppresses the worst interference. Further improvements may be obtained by allowing users to occupy M out of N slots where M⩽N. Centralized and distributed dynamic channel allocation (DCA) algorithms which allow users to have different SIR requirements have been developed to maximize the capacity of the system under a desired blocking probability

Published in:

Information Theory, 1994. Proceedings., 1994 IEEE International Symposium on

Date of Conference:

27 Jun-1 Jul 1994

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