{"title":"A powerful 13-tap ATDE and XPIC implemented on one chip for co-channel digital radio system","authors":"K. Suh, Chang-Yong Park, G. Hur, Dae-Young Lee","doi":"10.1109/NTC.1994.316661","DOIUrl":null,"url":null,"abstract":"The growing demand for high capacity transmission in digital radio systems (DRS) has led to the adoption of a highly spectral efficient system comprising cochannel operation and multilevel QAM. Due to the vulnerability of such a system to the channel conditions, great efforts have been made on counteracting multipath fading and depolarization. The authors propose a powerful multitask chip with 150 K gate array for DRS. This chip was implemented with state of the art 0.6 /spl mu/ HCMOS technology and was designed to be used not only as an equalizer for multipath fading and a canceller for cochannel operation, but also as a digital filter for pulse shaping in modems using up to 1024-QAM or TCM. The performance of cochannel of 64-QAM DRS combined with digital slope equalizer is presented.<<ETX>>","PeriodicalId":297184,"journal":{"name":"Proceedings of IEEE National Telesystems Conference - NTC '94","volume":"74 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1994-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of IEEE National Telesystems Conference - NTC '94","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/NTC.1994.316661","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 6
Abstract
The growing demand for high capacity transmission in digital radio systems (DRS) has led to the adoption of a highly spectral efficient system comprising cochannel operation and multilevel QAM. Due to the vulnerability of such a system to the channel conditions, great efforts have been made on counteracting multipath fading and depolarization. The authors propose a powerful multitask chip with 150 K gate array for DRS. This chip was implemented with state of the art 0.6 /spl mu/ HCMOS technology and was designed to be used not only as an equalizer for multipath fading and a canceller for cochannel operation, but also as a digital filter for pulse shaping in modems using up to 1024-QAM or TCM. The performance of cochannel of 64-QAM DRS combined with digital slope equalizer is presented.<>
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