RF Spatial Modulation Using Antenna Arrays

被引：8
|
作者：
Zhou, Yijun [1 ]
Chia, Michael Yan-Wah [1 ]
Qing, Xianming [1 ]
Yuan, Jiren [2 ]
机构：
[1] ASTAR, Inst Infocomm Res, Singapore 138632, Singapore
[2] Lund Univ, Elect & Informat Technol Dept, S-22100 Lund, Sweden
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2013年 / 61卷 / 10期
关键词：
Antenna array; linear amplification with non-linear components (LINC); modulation; outphasing; spatial power combining; wireless; TRANSMITTER; EFFICIENCY; SILICON; BICMOS;
D O I：
10.1109/TAP.2013.2272596
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：
A new method of spatial linear modulation is presented for the RF signal modulation. The constant envelope and phase modulated signals are transmitted to an antenna array and then combined in space; the linear modulation is realized at the same time. The concentric antenna pairs are applied to eliminate the mismatch of phase delay among the modulated signals from different antenna pairs. The measurement results of an RF signal around 2.45 GHz modulated by a 3.84 Mbps QPSK signal are presented. The proposed spatial modulator is able to simplify RF transmitter design and achieve highly efficient power transmission.
引用
收藏
页码：5229 / 5236
页数：8
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