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A Class of Zero-Correlation Zone Sequence Set Using a Perfect Sequence
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DOI：10.1109/LSP.2009.2014115.png)
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Abstract
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This letter introduces a novel method of sequence construction having a zero-correlation zone. The cross-correlation function and the side-lobe of the auto-correlation function of the proposed sequence set is zero for the phase shifts within the zero-correlation zone. The proposed zero-correlation zone sequence set can be generated from an arbitrary perfect ternary sequence, the length of which is the product of a pair of odd integers ((2 kappa + 1)(2n + 1 for kappa >= 1 and n >= 0). The width of the zero-correlation zone of the proposed sequence set can be longer than the length of the perfect sequence that is used for constructing the proposed sequence set. The proposed sequence construction can generate an optimal zero-correlation zone sequence set that satisfies the theoretical bound of the sequence member size for the zero-correlation zone and the sequence period.
Keywords:
CDMA communication
optimal zero-correlation zone sequence
perfect sequence
zero-correlation zone
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