A regularization approach to MSE analysis of OFDM under phase noise

被引：0

作者：

Kaksi, Omer ^{[1
]}

Ozdemir, Ozgur ^{[2
]}

Hamila, Ridha ^{[3
]}

Al-Dhahir, Naofal ^{[4
]}

机构：

[1] Istanbul Univ, Dept Elect & Elect Engn, Istanbul, Turkey

[2] North Carolina State Univ, Dept Elect & Comp Engn, Raleigh, NC USA

[3] Qatar Univ, Dept Elect Engn, Doha, Qatar

[4] Univ Texas Dallas, Dept Elect Engn, Richardson, TX 75083 USA

来源：

AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS | 2018年 / 83卷

关键词：

OFDM; Phase noise; NMSE; PERFORMANCE ANALYSIS; SYSTEMS; COMPENSATION;

D O I：

10.1016/j.aeue.2017.09.005

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：

Orthogonal frequency division multiplexing (OFDM) is widely used in broadband wireless communications systems because of its high resilience to frequency-selective fading and its low implementation complexity. Phase noise (PN) is one of the major RF impairments in direct-conversion wireless transceivers. In this paper, we analyze the impact of PN on an OFDM transceiver. We derive an exact normalized mean square error (NMSE) expression under receive-side PN and examine asymptotic and special cases. An optimized regularization parameter for an MMSE equalizer design is derived and shown to result in appreciable NMSE reduction. (C) 2017 Elsevier GmbH. All rights reserved.

引用

页码：303 / 308

页数：6

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