A Multi-Antenna Technique for mm-wave Communications with Large Constellations and Strongly Nonlinear Amplifiers

被引:0
作者
Dinis, Rui [1 ,2 ]
Montezuma, Paulo [1 ,2 ]
Bento, Pedro [1 ,3 ]
Gomes, Marco [1 ,3 ]
Silva, Vitor [1 ,3 ]
机构
[1] IT, Av Rovisco Pais, Lisbon, Portugal
[2] Univ Nova Lisboa, FCT, DEE, Lisbon, Portugal
[3] Univ Coimbra, Dept Elect & Comp Engn, Coimbra, Portugal
来源
2015 GERMAN MICROWAVE CONFERENCE | 2015年
关键词
Multi-antenna systems; mm-wave systems; dense constellations; nonlinear amplifiers; FREQUENCY-DOMAIN EQUALIZATION; BAND WIRELESS SYSTEMS; SINGLE-CARRIER; OFFSET MODULATIONS; TRANSMISSION;
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
It is well-known that mm-wave (millimeter wave) communications have high potential for future wireless broadband systems. However, there are important challenges that need to be overcome when implementing those systems, both at the hardware level and due to the hostile propagation conditions. This is especially important for spectrally efficient communications based on large constellations, since the power requirements are higher, as well as the amplification difficulties, specially for large, dense constellations. In this paper we propose a multi-antenna transmitter combined with a frequency-domain receiver for broadband mm-wave systems based on large and dense constellations. Our transmitter is compatible with highly-efficient, low-cost, strongly nonlinear amplifiers, while allowing spacial multiplexing gains.(1)
引用
收藏
页码:284 / 287
页数:4
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