Analytical BER performance of M-QAM-OFDM systems in the presence of IQ imbalance

被引：0
|
作者：
Zareian, Hassan [1 ,2 ]
Vakili, Vahid TabaTaba [1 ]
机构：
[1] Iran Univ Sci & Technol, Tehran, Iran
[2] Fac Islamic Republ Iran Broadcasting IRIB, Tehran, Iran
来源：
2007 IFIP INTERNATIONAL CONFERENCE ON WIRELESS AND OPTICAL COMMUNICATIONS NETWORKS | 2007年
关键词：
OFDM; IQ imbalance; BER performance; M-QAM; modulation; theoretical analysis;
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 the performance of OFDM systems is severely affected by the inphase and quadraure (IQ) imbalances of down converter modulators in receivers. In this paper, the effects of IQ imbalance on the performance of the OFDM systems with rectangular M-QAM constellations are investigated and a closed form of bit error rate (BER) of these systems in additive white Gaussian noise (AWGN) channels is derived. Theoretical results show perfect matching with those obtained by simulations and they can be used to derive the OFDM system performance, without the need to run extensive simulations.
引用
收藏
页码：86 / +
页数：2
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