{"title":"具有多芯片波形的多载波DS-CDMA系统","authors":"S. Sureshkumar, E. Shwedyk, H. Nguyen","doi":"10.1109/ISSSTA.2004.1371786","DOIUrl":null,"url":null,"abstract":"The influence of bandlimited multiple chip waveforms on the performance of asynchronous, multicarrier, direct sequence code-division multiple access (MC-DS-CDMA) systems is investigated for the downlink. The performance criterion is the average multiple access interference (MAI) at the output of a matched filter receiver. An additive white Gaussian noise channel is assumed. It is demonstrated that for carrier spacing c = 1/(1 + /spl beta/), using the same chip waveform for all the carriers, minimizes the MAI, i.e, there is no need to assign different chip waveforms to different carriers.","PeriodicalId":340769,"journal":{"name":"Eighth IEEE International Symposium on Spread Spectrum Techniques and Applications - Programme and Book of Abstracts (IEEE Cat. No.04TH8738)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2004-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Multicarrier DS-CDMA systems with multiple chip waveforms\",\"authors\":\"S. Sureshkumar, E. Shwedyk, H. Nguyen\",\"doi\":\"10.1109/ISSSTA.2004.1371786\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The influence of bandlimited multiple chip waveforms on the performance of asynchronous, multicarrier, direct sequence code-division multiple access (MC-DS-CDMA) systems is investigated for the downlink. The performance criterion is the average multiple access interference (MAI) at the output of a matched filter receiver. An additive white Gaussian noise channel is assumed. It is demonstrated that for carrier spacing c = 1/(1 + /spl beta/), using the same chip waveform for all the carriers, minimizes the MAI, i.e, there is no need to assign different chip waveforms to different carriers.\",\"PeriodicalId\":340769,\"journal\":{\"name\":\"Eighth IEEE International Symposium on Spread Spectrum Techniques and Applications - Programme and Book of Abstracts (IEEE Cat. No.04TH8738)\",\"volume\":\"14 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2004-08-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Eighth IEEE International Symposium on Spread Spectrum Techniques and Applications - Programme and Book of Abstracts (IEEE Cat. No.04TH8738)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ISSSTA.2004.1371786\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Eighth IEEE International Symposium on Spread Spectrum Techniques and Applications - Programme and Book of Abstracts (IEEE Cat. No.04TH8738)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISSSTA.2004.1371786","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Multicarrier DS-CDMA systems with multiple chip waveforms
The influence of bandlimited multiple chip waveforms on the performance of asynchronous, multicarrier, direct sequence code-division multiple access (MC-DS-CDMA) systems is investigated for the downlink. The performance criterion is the average multiple access interference (MAI) at the output of a matched filter receiver. An additive white Gaussian noise channel is assumed. It is demonstrated that for carrier spacing c = 1/(1 + /spl beta/), using the same chip waveform for all the carriers, minimizes the MAI, i.e, there is no need to assign different chip waveforms to different carriers.
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