{"title":"OFDM UWB系统时频域单差分和双差分方案的比较","authors":"S. Islam, N. Al-Dhahir, H. Minn, Sili Lu","doi":"10.1109/SARNOF.2007.4567327","DOIUrl":null,"url":null,"abstract":"Ultra-wideband (UWB) systems possess several distinct features such as very high data rate, large multipath or frequency diversity and improved ranging precision while requiring low-power low-complexity transceivers. Among the different modulation schemes, differential PSK is an attractive option because it does not require channel estimation, and hence reduces implementation complexity. This paper investigates an OFDM UWB receiver based on both time and frequency-domain differential PSK modulation and compares the performances of single and double differential schemes in the presence of frequency offset.","PeriodicalId":293243,"journal":{"name":"2007 IEEE Sarnoff Symposium","volume":"63 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Comparison of time and frequency domain single and double differential schemes for OFDM UWB systems\",\"authors\":\"S. Islam, N. Al-Dhahir, H. Minn, Sili Lu\",\"doi\":\"10.1109/SARNOF.2007.4567327\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Ultra-wideband (UWB) systems possess several distinct features such as very high data rate, large multipath or frequency diversity and improved ranging precision while requiring low-power low-complexity transceivers. Among the different modulation schemes, differential PSK is an attractive option because it does not require channel estimation, and hence reduces implementation complexity. This paper investigates an OFDM UWB receiver based on both time and frequency-domain differential PSK modulation and compares the performances of single and double differential schemes in the presence of frequency offset.\",\"PeriodicalId\":293243,\"journal\":{\"name\":\"2007 IEEE Sarnoff Symposium\",\"volume\":\"63 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2007-04-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2007 IEEE Sarnoff Symposium\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SARNOF.2007.4567327\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 IEEE Sarnoff Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SARNOF.2007.4567327","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Comparison of time and frequency domain single and double differential schemes for OFDM UWB systems
Ultra-wideband (UWB) systems possess several distinct features such as very high data rate, large multipath or frequency diversity and improved ranging precision while requiring low-power low-complexity transceivers. Among the different modulation schemes, differential PSK is an attractive option because it does not require channel estimation, and hence reduces implementation complexity. This paper investigates an OFDM UWB receiver based on both time and frequency-domain differential PSK modulation and compares the performances of single and double differential schemes in the presence of frequency offset.
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