A. Afsahi, A. Behzad, S. Au, R. Roufoogaran, J. Rael
{"title":"An Area and Power Efficient Cartesian Phase Shifter + Mixer Circuit Applied to WLAN System","authors":"A. Afsahi, A. Behzad, S. Au, R. Roufoogaran, J. Rael","doi":"10.1109/RFIC.2007.380900","DOIUrl":null,"url":null,"abstract":"A two-antenna array receiver is designed for WLAN application to build a maximum ratio combiner (MRC) system. A new signal-path Cartesian phase generation and combination technique is proposed to shift the RF signal by 22.5 phase steps. The 3 dB improvement in received SNR is achieved in comparison to single path receiver. The 0.29 mm^2 RF paths consumes 30 mW in 0.13 mum CMOS process.","PeriodicalId":356468,"journal":{"name":"2007 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium","volume":"68 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2007-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2007 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/RFIC.2007.380900","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
A two-antenna array receiver is designed for WLAN application to build a maximum ratio combiner (MRC) system. A new signal-path Cartesian phase generation and combination technique is proposed to shift the RF signal by 22.5 phase steps. The 3 dB improvement in received SNR is achieved in comparison to single path receiver. The 0.29 mm^2 RF paths consumes 30 mW in 0.13 mum CMOS process.
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