Combined Amplitude and Phase Noise Effects in QAM Direct Conversion Receivers

被引：0

作者：

Menon, Amita V. ^{[1
]}

Gunjegai, Anjali ^{[1
]}

Aishwarya ^{[1
]}

Kurup, Dhanesh G. ^{[1
]}

机构：

[1] Amrita Univ Bangalore Campus, Bangalore, Karnataka, India

来源：

2015 INTERNATIONAL CONFERENCE ON MICROWAVE, OPTICAL AND COMMUNICATION ENGINEERING (ICMOCE) | 2015年

关键词：

Phase Noise; OFDM SYSTEMS; COMPENSATION;

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：

This paper deals with the modelling and simulation of combined phase and amplitude noise for QAM direct conversion receivers (DCR). We show that, due to phase noise, there is a cross coupling of quadrature component of the signal as well as quadrature component of amplitude noise to in-phase component of signal. Similarly, there is a cross coupling of in-phase component of signal as well as in-phase component of amplitude noise to quadrature component of the signal. Based on the analysis, the symbol error rate (SER) for different levels of amplitude noise as well as phase noise values are presented for M-ary QAM modulation schemes. It is seen that for small phase noise, the SER approaches theoretical SER for only amplitude noise case and increases to large values for large phase noise.

引用

页码：346 / 348

页数：3

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