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A construction for binary sequence sets with low peak-to-average power ratio

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2 Author(s)
Parker, M.G. ; Dept. of Informatics, Bergen Univ., Norway ; Tellambura, C.

Complementary sequences (CS) have peak-to-average power ratio (PAR) ≤ 2 under the one-dimensional continuous discrete Fourier transform (DFT1). Davis and Jedwab (see IEEE Trans. Inform. Theory, vol.45, no.7, p.2397-2417, 1999) constructed binary CS (DJ set) for lengths 2n described by s = 2-n2/ (-1)p(x), p(x) = Σj=0L-2xπ(j)xπ(j+1)+cjxj+k, cj, k ∈ Z2. Hamming distance, D, between sequences in this set satisfies D ≥ 2n-2. However the rate of the DJ set vanishes for n → ∞, and higher rates are possible for PAR ≤ O(n) and D large. We present such a construction which generalises the DJ set. These codesets have PAR ≤ 2t under all linear unimodular unitary transforms (LUUTs), including all one and multi-dimensional continuous DFTs, and D ≥ 2n-d where d is the maximum algebraic degree of the chosen subset of the complete set.

Published in:

Information Theory, 2002. Proceedings. 2002 IEEE International Symposium on

Date of Conference:

2002