研究目的
To propose a class of 16-QAM sequence sets with zero correlation zone (ZCZ) based on known binary and quaternary ZCZ sequence sets, aiming to expand the number of 16-QAM sequence sets with ZCZ for application in QS-CDMA systems to eliminate MAI and MPI and improve TDR.
研究成果
The proposed construction method successfully generates 16-QAM sequence sets with zero correlation zone, expanding the number of such sets available for engineering applications. These sets can improve the transmission data rate and reduce interference in QS-CDMA systems, with some sets achieving or approaching the upper bound of performance.
研究不足
The binary ZCZ sequence sets can only reach half of the theoretic bound at most, limiting the optimality of the resultant 16-QAM ZCZ sequence sets derived from them. However, the construction method expands the number of ZCZ sequence sets available.