{"title":"Software antenna and its communication theory for mobile radio communications","authors":"R. Kohno","doi":"10.1109/ICPWC.1997.655514","DOIUrl":null,"url":null,"abstract":"An adaptive array antenna or a smart antenna is named a software antenna because it can be programmable to form a desired beam pattern if an appropriate set of antenna weights is provided in software. It can be a typical tool for realizing a software radio. An adaptive array can be considered as an adaptive filter in the space and time domains for radio communications, so that the communication theory can be generalized from a conventional time domain into both the space and time domains. This paper introduces a spatial and temporal communication theory based on a software antenna, such as spatial and temporal channel modeling, equalization, optimum detection for a single user and multiple users in CDMA, precoding and joint optimization of both the transmitter and receiver. Such spatial and temporal processing promises drastic improvement of performance as a practical countermeasure for multipath fading in mobile radio communications.","PeriodicalId":166667,"journal":{"name":"1997 IEEE International Conference on Personal Wireless Communications (Cat. No.97TH8338)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1997-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1997 IEEE International Conference on Personal Wireless Communications (Cat. No.97TH8338)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICPWC.1997.655514","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
An adaptive array antenna or a smart antenna is named a software antenna because it can be programmable to form a desired beam pattern if an appropriate set of antenna weights is provided in software. It can be a typical tool for realizing a software radio. An adaptive array can be considered as an adaptive filter in the space and time domains for radio communications, so that the communication theory can be generalized from a conventional time domain into both the space and time domains. This paper introduces a spatial and temporal communication theory based on a software antenna, such as spatial and temporal channel modeling, equalization, optimum detection for a single user and multiple users in CDMA, precoding and joint optimization of both the transmitter and receiver. Such spatial and temporal processing promises drastic improvement of performance as a practical countermeasure for multipath fading in mobile radio communications.
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