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Construction of Asymmetric Gaussian Integer ZCZ Sequence Sets
Xiaoyu CHEN Heru SU Yubo LI Xiuping PENG
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2019/02/01
Online ISSN: 1745-1337
Type of Manuscript: LETTER
Category: Coding Theory
QS-CDMA system, asymmetric ZCZ sequence sets, Gaussian integer sequence, interleaving technique,
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In this letter, a construction of asymmetric Gaussian integer zero correlation zone (ZCZ) sequence sets is presented based on interleaving and filtering. The proposed approach can provide optimal or almost optimal single Gaussian integer ZCZ sequence sets. In addition, arbitrary two sequences from different sets have inter-set zero cross-correlation zone (ZCCZ). The resultant sequence sets can be used in the multi-cell QS-CDMA system to reduce the inter-cell interference and increase the transmission data.