3G WCDMA联合下行波束形成与功率控制

The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring. Pub Date : 2003-04-22 DOI:10.1109/VETECS.2003.1207557

M. Schubert, D. Karadoulamas, H. Boche, G. Lehmann

{"title":"3G WCDMA联合下行波束形成与功率控制","authors":"M. Schubert, D. Karadoulamas, H. Boche, G. Lehmann","doi":"10.1109/VETECS.2003.1207557","DOIUrl":null,"url":null,"abstract":"The spectral efficiency of the WCDMA downlink can significantly be increased by jointly adjusting beamformers and transmission powers. The design goal is to control individual link capacities with minimum total power. Channel information is assumed to be available at the base station. We propose a computational efficiency strategy which computes the beamforming weights by jointly balancing the instantaneous carrier-to-interference ratios (CINR) measured at each RAKE receiver input. Then, the SINRs at the RAKE output are adjusted by an additional power control step. Potential gains over conventional techniques are shown by numerical simulations.","PeriodicalId":272763,"journal":{"name":"The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring.","volume":"17 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2003-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":"{\"title\":\"Joint downlink beamforming and power control for 3G WCDMA\",\"authors\":\"M. Schubert, D. Karadoulamas, H. Boche, G. Lehmann\",\"doi\":\"10.1109/VETECS.2003.1207557\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The spectral efficiency of the WCDMA downlink can significantly be increased by jointly adjusting beamformers and transmission powers. The design goal is to control individual link capacities with minimum total power. Channel information is assumed to be available at the base station. We propose a computational efficiency strategy which computes the beamforming weights by jointly balancing the instantaneous carrier-to-interference ratios (CINR) measured at each RAKE receiver input. Then, the SINRs at the RAKE output are adjusted by an additional power control step. Potential gains over conventional techniques are shown by numerical simulations.\",\"PeriodicalId\":272763,\"journal\":{\"name\":\"The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring.\",\"volume\":\"17 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2003-04-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"9\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/VETECS.2003.1207557\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/VETECS.2003.1207557","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}

引用次数: 9

摘要

通过联合调整波束形成器和发射功率，可以显著提高WCDMA下行链路的频谱效率。设计目标是以最小的总功率控制单个链路的容量。信道信息假定在基站是可用的。我们提出了一种计算效率策略，该策略通过联合平衡在每个RAKE接收器输入处测量的瞬时载波干扰比(CINR)来计算波束形成权重。然后，在RAKE输出sinr被一个额外的功率控制步骤调整。数值模拟显示了与传统技术相比的潜在收益。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

Joint downlink beamforming and power control for 3G WCDMA

The spectral efficiency of the WCDMA downlink can significantly be increased by jointly adjusting beamformers and transmission powers. The design goal is to control individual link capacities with minimum total power. Channel information is assumed to be available at the base station. We propose a computational efficiency strategy which computes the beamforming weights by jointly balancing the instantaneous carrier-to-interference ratios (CINR) measured at each RAKE receiver input. Then, the SINRs at the RAKE output are adjusted by an additional power control step. Potential gains over conventional techniques are shown by numerical simulations.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring.

自引率

0.00%

发文量