{"title":"基带UWB多址数字载波多带用户码","authors":"Liuqing Yang, G. Giannakis","doi":"10.1109/UWBST.2003.1267859","DOIUrl":null,"url":null,"abstract":"The growing interest towards ultra-wideband (UWB) radios stems from their attractive features that include low-power low-complexity baseband operation, rich multipath diversity, and the potential of enhanced user capacity. Existing baseband spreading codes are not flexible in handling narrowband interference (NBI), which emerges when UWB radios overlay co-existing systems. In this paper, we introduce two novel spreading codes, for baseband UWB multiple access. Utilizing a single or multiple digital subcarriers (SC or MC), these codes give rise to multi-band UWB systems. In addition to providing flexibility in handling NBI, SC- and MC-UWB codes also enable full multipath diversity, and maximum coding gains. Equally attractive is their capability to reduce the number of interfering users, with simple matched filter operations.","PeriodicalId":218975,"journal":{"name":"IEEE Conference on Ultra Wideband Systems and Technologies, 2003","volume":"29 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2003-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Digital-carrier multi-band user codes for baseband UWB multiple access\",\"authors\":\"Liuqing Yang, G. Giannakis\",\"doi\":\"10.1109/UWBST.2003.1267859\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The growing interest towards ultra-wideband (UWB) radios stems from their attractive features that include low-power low-complexity baseband operation, rich multipath diversity, and the potential of enhanced user capacity. Existing baseband spreading codes are not flexible in handling narrowband interference (NBI), which emerges when UWB radios overlay co-existing systems. In this paper, we introduce two novel spreading codes, for baseband UWB multiple access. Utilizing a single or multiple digital subcarriers (SC or MC), these codes give rise to multi-band UWB systems. In addition to providing flexibility in handling NBI, SC- and MC-UWB codes also enable full multipath diversity, and maximum coding gains. Equally attractive is their capability to reduce the number of interfering users, with simple matched filter operations.\",\"PeriodicalId\":218975,\"journal\":{\"name\":\"IEEE Conference on Ultra Wideband Systems and Technologies, 2003\",\"volume\":\"29 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2003-11-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE Conference on Ultra Wideband Systems and Technologies, 2003\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/UWBST.2003.1267859\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Conference on Ultra Wideband Systems and Technologies, 2003","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/UWBST.2003.1267859","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Digital-carrier multi-band user codes for baseband UWB multiple access
The growing interest towards ultra-wideband (UWB) radios stems from their attractive features that include low-power low-complexity baseband operation, rich multipath diversity, and the potential of enhanced user capacity. Existing baseband spreading codes are not flexible in handling narrowband interference (NBI), which emerges when UWB radios overlay co-existing systems. In this paper, we introduce two novel spreading codes, for baseband UWB multiple access. Utilizing a single or multiple digital subcarriers (SC or MC), these codes give rise to multi-band UWB systems. In addition to providing flexibility in handling NBI, SC- and MC-UWB codes also enable full multipath diversity, and maximum coding gains. Equally attractive is their capability to reduce the number of interfering users, with simple matched filter operations.
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