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This paper studies the correlation properties of Walsh functions. It is found that Walsh functions generated by a Hadamard matrix could be divided into several cyclically orthogonal subsets. An approach to obtain such subsets is proposed as a theorem and is proved through the mathematical induction. The application of the cyclically orthogonal subsets of Walsh functions to DS-CDMA communications is then discussed.
Communication Systems, 2002. ICCS 2002. The 8th International Conference on (Volume:1 )
Date of Conference: 25-28 Nov. 2002