Phase Noise Effect on MIMO-OFDM Systems with Common and Independent Oscillators

Xiaoming Chen; Hua Wang; Wei Fan; Yaning Zou; Andreas Wolfgang; Tommy Svensson; Jian Luo

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Phase Noise Effect on MIMO-OFDM Systems with Common and Independent Oscillators

机译：具有普通和独立振荡器的MIMO-OFDM系统的相位噪声效应

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The effects of oscillator phase noises (PNs) on multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems are studied. It is shown that PNs of common oscillators at the transmitter and at the receiver have the same influence on the performance of (single-stream) beamforming MIMO-OFDM systems, yet different influences on spatial multiplexing MIMO-OFDM systems with singular value decomposition (SVD) based precoding/decoding. When each antenna is equipped with an independent oscillator, the PNs at the transmitter and at the receiver have different influences on beamforming MIMO-OFDM systems as well as spatial multiplexing MIMO-OFDM systems. Specifically, the PN effect on the transmitter (receiver) can be alleviated by having more transmit (receive) antennas for the case of independent oscillators. It is found that the independent oscillator case outperforms the common oscillator case in terms of error vector magnitude (EVM).

机译：研究了振荡器相位噪声（PNs）对多输入多输出（MIMO）正交频分复用（OFDM）系统的影响。研究表明，发射端和接收端的公共振荡器的PNs对（单流）波束形成MIMO-OFDM系统的性能有相同的影响，但对基于奇异值分解（SVD）预编码/解码的空间复用MIMO-OFDM系统的影响不同。当每个天线配备独立振荡器时，发射机和接收机处的pn对波束形成MIMO-OFDM系统以及空间复用MIMO-OFDM系统具有不同的影响。具体地说，对于独立振荡器的情况，可以通过具有更多发射（接收）天线来减轻对发射机（接收机）的PN效应。研究发现，在误差向量幅度（EVM）方面，独立振荡器的情况优于普通振荡器的情况。

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《Wireless communications & mobile computing》 |2017年第1期|共12页
作者
Xiaoming Chen; Hua Wang; Wei Fan; Yaning Zou; Andreas Wolfgang; Tommy Svensson; Jian Luo;
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作者单位

School of Electronic and Information Engineering Xi'an Jiaotong University;

Keysight Laboratories Keysight Technologies Inc;

Department of Electronic Systems Aalborg University;

Vodafone Chair Mobile Communications Systems Dresden University of Technology;

Qamcom Research &

Technology AB;

Department of Electrical Engineering Chalmers University of Technology;

Huawei Technologies Duesseldorf GmbH;

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正文语种 eng
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2. Dual transponder ranging performance in the presence of oscillator phase noise [J] . 赵明臣, 王春晖, 金小军, 中南大学学报（英文版） . 2015,第004期
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机译：具有共用和独立振荡器的MIMO-OFDM系统的相位噪声影响
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机译：本地振荡器强度噪声对使用通用本地振荡器（CLO）的相干子载波复用系统性能的影响
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机译：低相位噪声光电振荡器和高灵敏度相位噪声测量系统的研究
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机译：具有公共/独立本地振荡器的IEEE 802.11ad MIMO-OFDM系统中相位噪声的影响
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机译：表征和降低通信系统中本地振荡器相位噪声的影响
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机译：28 nm CMOS LC振荡器电路拓扑中的相位噪声的比较分析：HartleyColpitts和共源交叉耦合差分对
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机译：用双振荡器相干下变换技术测量精密振荡器相位噪声

Phase Noise Effect on MIMO-OFDM Systems with Common and Independent Oscillators

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