Spectrum Modeling of Out-of-Band Intermodulation for Dual-Band RF Amplifiers in OFDM Modulation

被引：1
|
作者：
Yang, Xianzhen [1 ]
Yan, Siyuan [1 ]
Li, Xiao [1 ]
Wu, Qiang [2 ]
Li, Fu [1 ]
机构：
[1] Portland State Univ, Dept Elect & Comp Engn, Portland, OR 97207 USA
[2] Analog Devices Inc, 125 Summer St,Suite 2100, Boston, MA 02110 USA
来源：
ELECTRONICS | 2020年 / 9卷 / 04期
关键词：
out-of-band intermodulation; dual-band RF amplifiers; orthogonal frequency-division multiplexing; cognitive radio; 5G; MULTIBAND; NETWORK; ANTENNA;
D O I：
10.3390/electronics9040691
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Dual-band RF amplifiers play increasingly important roles in next-generation mobile communication systems including 5G, and the out-of-band intermodulation products are often not negligible since they generate interference to adjacent channels. In this article, following our previous modeling of cross-modulation for amplified dual-band signals, an analytical expression of out-of-band intermodulation for dual-band orthogonal frequency-division multiplexing signals is derived using the third-order intercept points IP3. The experimental measurement results validate the proposed analytical expression.
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页数：10
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