{"title":"多端口放大器的自适应线性化技术","authors":"T. Kaho, Y. Yamaguchi, T. Nakagawa, K. Araki","doi":"10.1109/APMC.2006.4429557","DOIUrl":null,"url":null,"abstract":"We propose a novel adaptive linearization technique for amplifier arrays. It can miniaturize the array-antenna system. The technique uses the specific intermodulation distortions (IMDs) at the output ports in the array. The detected IMD power level can be used to optimize the linearizer's characteristics. This paper describes the principles, verified both experimentally and mathematically for a 4-port amplifier array. The proposed technique will be a viable solution for multi-user MIMO OFDM downlink systems.","PeriodicalId":137931,"journal":{"name":"2006 Asia-Pacific Microwave Conference","volume":"149 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2006-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Adaptive linearization technique for a multi-port amplifier\",\"authors\":\"T. Kaho, Y. Yamaguchi, T. Nakagawa, K. Araki\",\"doi\":\"10.1109/APMC.2006.4429557\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We propose a novel adaptive linearization technique for amplifier arrays. It can miniaturize the array-antenna system. The technique uses the specific intermodulation distortions (IMDs) at the output ports in the array. The detected IMD power level can be used to optimize the linearizer's characteristics. This paper describes the principles, verified both experimentally and mathematically for a 4-port amplifier array. The proposed technique will be a viable solution for multi-user MIMO OFDM downlink systems.\",\"PeriodicalId\":137931,\"journal\":{\"name\":\"2006 Asia-Pacific Microwave Conference\",\"volume\":\"149 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2006-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2006 Asia-Pacific Microwave Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/APMC.2006.4429557\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2006 Asia-Pacific Microwave Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/APMC.2006.4429557","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Adaptive linearization technique for a multi-port amplifier
We propose a novel adaptive linearization technique for amplifier arrays. It can miniaturize the array-antenna system. The technique uses the specific intermodulation distortions (IMDs) at the output ports in the array. The detected IMD power level can be used to optimize the linearizer's characteristics. This paper describes the principles, verified both experimentally and mathematically for a 4-port amplifier array. The proposed technique will be a viable solution for multi-user MIMO OFDM downlink systems.
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