{"title":"A new demodulation procedure for CDMA systems based on complete complementary codes","authors":"Ryusuke Mayuzumi, T. Kojima","doi":"10.1109/IWSDA.2009.5346409","DOIUrl":null,"url":null,"abstract":"Signal design methods for the approximately synchronized CDMA systems based on complete complementary codes have been proposed. It has been shown that both the information transmission rate and the frequency usage rate can be increased in these kinds of CDMA systems. The bit error rate (BER) properties of these systems have been also reported recently. However, it's not been considered sufficiently why bit errors occur. In this paper, we analyze the bit error distribution and discuss the cause of bit errors in these systems. In addition, we propose the effective demodulation scheme to decrease bit errors and compare the BER performances of the proposed method with that of the original demodulation scheme of CDMA systems using complete complementary codes through some numerical simulations.","PeriodicalId":120760,"journal":{"name":"2009 Fourth International Workshop on Signal Design and its Applications in Communications","volume":" 8","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2009-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2009 Fourth International Workshop on Signal Design and its Applications in Communications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IWSDA.2009.5346409","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
Signal design methods for the approximately synchronized CDMA systems based on complete complementary codes have been proposed. It has been shown that both the information transmission rate and the frequency usage rate can be increased in these kinds of CDMA systems. The bit error rate (BER) properties of these systems have been also reported recently. However, it's not been considered sufficiently why bit errors occur. In this paper, we analyze the bit error distribution and discuss the cause of bit errors in these systems. In addition, we propose the effective demodulation scheme to decrease bit errors and compare the BER performances of the proposed method with that of the original demodulation scheme of CDMA systems using complete complementary codes through some numerical simulations.
京公网安备 11010802042870号
京ICP备2023020795号-1
分享
求助内容：
应助结果提醒方式：
扫码关注我们
