Advances on Time-Modulated Arrays for Cognitive Radio

被引：0
|
作者：
Bekele, Ephrem T. [1 ]
Poli, Lorenzo [1 ]
Manica, Luca [1 ]
Rocca, Paolo [1 ]
Massa, Andrea [1 ]
Yang, Shiwen [2 ]
Zhou, Quanjiang [2 ]
机构：
[1] Univ Trento, ELEDIA Res Ctr DISI, Via Sommar 5, I-38123 Trento, Italy
[2] Univ Elect Sci & Technol ChinA, Sch Elect Engn, Chengdu 611731, Peoples R China
来源：
2013 7TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) | 2013年
关键词：
4D arrays; time-modulated arrays; particle swarm optimizer; MIMO; secure communications; LINEAR ARRAYS; UNIFORM AMPLITUDE; PATTERN SYNTHESIS; SUPPRESSION; RADIATION; DESIGN;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In time-modulated arrays (TMAs), the fourth dimension, time, is exploited to synthesize antenna systems characterized by unconventional operational features that make them attractive for next generation communication systems based on Cognitive Radio. The possibility to synthesize TMAs able to generate multiple beams, suitable in multiple-input multiple-out (MIMO) systems, and to transmit the information in a correct manner only along some particular directions are discussed in this paper with main emphasis on the first problem. These features are obtained by simply reconfiguring the on-off control of a set of radio-frequency switches used in the beamforming network to modulate the static excitation weights.
引用
收藏
页码：344 / 346
页数：3
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