Iterative Phase Noise Suppression for Full-Duplex Communication Systems

被引：0
|
作者：
Pengxin Guan [1 ]
Yiru Wang [1 ]
Hongkang Yu [2 ]
Yuping Zhao [1 ]
机构：
[1] School of Electronics Engineering and Computer Science, Peking University
[2] Wireless Product Research and Development Institute, ZTE Corporation
来源：
China Communications | 2023年 / 20卷 / 02期
基金：
国家重点研发计划;
关键词：
full-duplex; self-interference; phase noise; suppression;
D O I：
暂无
中图分类号：
TN929.53 [蜂窝式移动通信系统（大哥大、移动电话手机）];
学科分类号：
080402 ; 080904 ; 0810 ; 081001 ;
摘要：
Oscillator phase noise is one of the bottlenecks that limits the self-interference(SI) cancellation capability of full-duplex systems. In this paper,we propose a method for the suppression of common phase error(CPE) and intercarrier interference(ICI)induced by the phase noise in full-duplex orthogonal frequency division multiplexing(OFDM) systems.First, we regard the effect of CPE as a portion of the SI channel and perform estimation, reconstruction and elimination in the time domain. Then, the ICI signal is estimated and suppressed in the frequency domain. Additionally, by analysing the performance of proposed algorithm, we further develop an iterative mechanism to reduce the parameter estimation error and improve SI cancellation capability. Simulation results show that the proposed method has a significant SI cancellation capability improvement over the traditional SI cancellation schemes.
引用
收藏
页码：226 / 234
页数：9
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