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This paper presents two constructions of Gaussian integer Z-periodic complementary sequence (ZPCS) sets. Construction I employs a ZPCS set as the original sequence set, however, the parameters of the resultant sequence sets cannot be flexibly chosen. Construction II generates Gaussian integer ZPCS sets using an orthogonal matrix, the ZCZ length and the flock size have flexible choices. The sequences...
In this paper, asymmetric binary zero correlation zone (A-ZCZ) sequence sets are constructed. Based on zero correlation zone aperiodic complementary sequence (ZACS) sets obtained in [13], K binary ZCZ sequence sets are constructed, each set is a binary (2M2, M, M)-ZCZ and the K sets have a inter-set zero cross-correlation zone of length Z = M/K − 1, where K = pn. As a result, the K binary ZCZ sequence...
Large scale optimization is a very challenging task in optimization area. The variable interaction in non-separable problems is a primary source of performance loss, especially for large scale problems. Cooperative Coevolution framework is a popular approach to deal with large scale optimization. It is based on a divide-and-conquer manner. This paper proposes a novel algorithm called DISCC to tackle...
Low correlation zone (LCZ) and zero correlation zone (ZCZ) aperiodic complementary sequence (ACS) sets have potential applications in multi-carriers CDMA communication systems as they can support more users than conventional complementary sequence sets. In this paper, a generic construction of LCZ-ACS and ZCZ-ACS sets are presented. The length of LCZ/ZCZ is flexible and thus the presented LCZ-ACS...
Behavioural interventions packages of advice and support for behaviour change are one of the most important methodologies and technologies employed by social scientists for understanding and changing behaviour. A typical web-based behavioural intervention study includes the designing, deploying, piloting and trialling of the intervention as well as data analysis. We have developed a research environment...
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