{"title":"MIMO波束形成系统的角波束形成技术","authors":"A. Innok, P. Uthansakul, M. Uthansakul","doi":"10.1109/ECTICON.2012.6254172","DOIUrl":null,"url":null,"abstract":"For MIMO beamforming, the Eigen Beamforming (EB) technique provides the best performance with the expense of knowing full channel information. To reduce such an expense, the Quantized Beamforming (QB) has been presented by using only some feedback bits to calculate the suitable beamforming vectors. However, QB has a drawback in the complexity of finding the beamforming vectors and it is more difficult for a lot of feedback bits. In this paper, the new technique named as Angular Beamforming (AB) has been presented to overcome such a drawback of QB. The investigations are undertaken by sending multiple data streams into 4x4 MIMO system. The effect of different data streams and number of feedback bits are studied. The simulation results indicate that AB technique performs very well and its performance is as good as QB.","PeriodicalId":6319,"journal":{"name":"2012 9th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","volume":"23 1","pages":"1-4"},"PeriodicalIF":0.0000,"publicationDate":"2012-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"13","resultStr":"{\"title\":\"Angular beamforming technique for MIMO beamforming system\",\"authors\":\"A. Innok, P. Uthansakul, M. Uthansakul\",\"doi\":\"10.1109/ECTICON.2012.6254172\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"For MIMO beamforming, the Eigen Beamforming (EB) technique provides the best performance with the expense of knowing full channel information. To reduce such an expense, the Quantized Beamforming (QB) has been presented by using only some feedback bits to calculate the suitable beamforming vectors. However, QB has a drawback in the complexity of finding the beamforming vectors and it is more difficult for a lot of feedback bits. In this paper, the new technique named as Angular Beamforming (AB) has been presented to overcome such a drawback of QB. The investigations are undertaken by sending multiple data streams into 4x4 MIMO system. The effect of different data streams and number of feedback bits are studied. The simulation results indicate that AB technique performs very well and its performance is as good as QB.\",\"PeriodicalId\":6319,\"journal\":{\"name\":\"2012 9th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology\",\"volume\":\"23 1\",\"pages\":\"1-4\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-05-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"13\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2012 9th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ECTICON.2012.6254172\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2012 9th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ECTICON.2012.6254172","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Angular beamforming technique for MIMO beamforming system
For MIMO beamforming, the Eigen Beamforming (EB) technique provides the best performance with the expense of knowing full channel information. To reduce such an expense, the Quantized Beamforming (QB) has been presented by using only some feedback bits to calculate the suitable beamforming vectors. However, QB has a drawback in the complexity of finding the beamforming vectors and it is more difficult for a lot of feedback bits. In this paper, the new technique named as Angular Beamforming (AB) has been presented to overcome such a drawback of QB. The investigations are undertaken by sending multiple data streams into 4x4 MIMO system. The effect of different data streams and number of feedback bits are studied. The simulation results indicate that AB technique performs very well and its performance is as good as QB.
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