Analysis and Compensation for the Joint Effects of HPA Nonlinearity, I/Q Imbalance and Crosstalk in MIMO Beamforming Systems

被引：0
|
作者：
Qi, Jian [1 ]
Aissa, Sonia [1 ]
机构：
[1] Univ Quebec, INRS EMT, Montreal, PQ H3C 3P8, Canada
来源：
2011 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC) | 2011年
关键词：
TRANSMIT-RECEIVE DIVERSITY;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this paper, we investigate the joint effects of high-power amplifier (HPA) nonlinearity, in-phase/quadrature-phase (I/Q) imbalance and crosstalk, on the performance of multiple-input multiple-output (MIMO) transmit beamforming (TB) systems, and propose a compensation method for the three impairments together. The performance of the MIMO TB system equipped with the proposed compensation scheme is evaluated in terms of average symbol error probability and capacity when transmissions are performed over uncorrelated Rayleigh fading channels. Numerical results are provided and show the effects on performance of several system parameters, namely, the HPA parameters, image-leakage ratio, crosstalk, numbers of antennas, length of pilot symbols and phase-shift keying modulation order.
引用
收藏
页码：1562 / 1567
页数：6
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