{"title":"Ultra wideband antenna diversity techniques for on/off-body radio channel characterisation","authors":"Q. Abbasi, A. Alomainy, Y. Hao","doi":"10.1109/IWAT.2012.6178649","DOIUrl":null,"url":null,"abstract":"Diversity is powerful tool for combat fading. This paper presents experimental investigations and comparison of ultra wideband antenna diversity technique for on-body and off-body radio propagation channels. Diversity gain (DG) is calculated for five different channels namely: Access point (AP)/belt-to-head, AP/belt-to-chest, AP/belt-to-wrist, AP/belt-to-ankle and AP/belt-to-back with the subject performing realistic movements of different nature in an indoor environment. Results showed that almost 50% improvement in DG is obtained for off-body case as compared to on-body case, which shows the usefulness of UWB off-body diversity for body centric wireless communications.","PeriodicalId":6341,"journal":{"name":"2012 IEEE International Workshop on Antenna Technology (iWAT)","volume":"1 1","pages":"209-212"},"PeriodicalIF":0.0000,"publicationDate":"2012-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"8","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 IEEE International Workshop on Antenna Technology (iWAT)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IWAT.2012.6178649","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 8
Abstract
Diversity is powerful tool for combat fading. This paper presents experimental investigations and comparison of ultra wideband antenna diversity technique for on-body and off-body radio propagation channels. Diversity gain (DG) is calculated for five different channels namely: Access point (AP)/belt-to-head, AP/belt-to-chest, AP/belt-to-wrist, AP/belt-to-ankle and AP/belt-to-back with the subject performing realistic movements of different nature in an indoor environment. Results showed that almost 50% improvement in DG is obtained for off-body case as compared to on-body case, which shows the usefulness of UWB off-body diversity for body centric wireless communications.
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