A study on three-phase ZCZ sequence sets

Authors:
Hideyuki Torii;Makoto Nakamura
Affiliations:
Department of Network Engineering, Kanagawa Institute of Technology, Atsugi-shi, Kanagawa, Japan;Department of Network Engineering, Kanagawa Institute of Technology, Atsugi-shi, Kanagawa, Japan
Venue:
ELECTROSCIENCE'07 Proceedings of the 5th conference on Applied electromagnetics, wireless and optical communications
Year:
2007

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Enhancement of ZCZ Sequence Set Construction Procedure*The material in this letter was presented at the 2nd International Workshop on Sequence Design and its Application in Communications, Shimonoseki, Oct. 2005. This work was supported by MEXT KAKENHI(17760321).

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Abstract

The present paper investigates the application of three-phase ZCZ sequence sets to AS-CDMA systems that use coded TPSK. First, we clarify possible three-phase ZCZ sequence sets and the features of these ZCZ sequence sets. Next, we clarify the structure of the periodic correlation function between sequences that belong to three-phase ZCZ sequence sets. Finally, we propose a method for constructing a group of three-phase ZCZ sequence sets that have low cross-correlation properties. The results are useful in designing AS-CDMA systems that use coded TPSK.