Phase noise mitigation in MIMO-OFDM systems with independent oscillators

Tae Jun Lee; Min Hwa Jeong; Young Chai Ko

doi:10.1109/CSCN.2016.7785172

Phase noise mitigation in MIMO-OFDM systems with independent oscillators

Tae Jun Lee, Min Hwa Jeong, Young Chai Ko

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

In this paper, we propose a phase noise cancellation algorithm in MIMO-OFDM systems where each transmit (TX) and receive (RX) antenna is equipped with independent oscillator. Most of previous works have considered phase noise model only in SISO-OFDM or simplified phase noise model in MIMO systems assuming that each TX and RX end shares one local oscillator. Recently, however, the local oscillator for each TX and RX antenna can be different for some reasons, in particular for the case of mmWave based wireless systems. In our paper, maximum a posteriori (MAP) estimator is used to jointly estimate phase noise at TX and RX and detect data symbols. Also we derive Bayesian Cramér-Rao bound (BCRLB) for the phase noise processes. At the end of this paper, we demonstrate from our simulation results that the application of proposed algorithm improves the bit-error-rate performance and its mean squared error can be close to BCRLB.

Original language	English
Title of host publication	2016 IEEE Conference on Standards for Communications and Networking, CSCN 2016
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781509038626
DOIs	https://doi.org/10.1109/CSCN.2016.7785172
Publication status	Published - 2016 Dec 15
Event	2016 IEEE Conference on Standards for Communications and Networking, CSCN 2016 - Berlin, Germany Duration: 2016 Oct 31 → 2016 Nov 2

Publication series

Name	2016 IEEE Conference on Standards for Communications and Networking, CSCN 2016

Other

Other	2016 IEEE Conference on Standards for Communications and Networking, CSCN 2016
Country/Territory	Germany
City	Berlin
Period	16/10/31 → 16/11/2

Bibliographical note

Publisher Copyright:
© 2016 IEEE.

Keywords

MIMO
OFDM
RF impairment
independet oscillator
mmWave
phase noise
separate oscillator

ASJC Scopus subject areas

Computer Networks and Communications
Safety, Risk, Reliability and Quality

Access to Document

10.1109/CSCN.2016.7785172

Cite this

Lee, T. J., Jeong, M. H., & Ko, Y. C. (2016). Phase noise mitigation in MIMO-OFDM systems with independent oscillators. In 2016 IEEE Conference on Standards for Communications and Networking, CSCN 2016 Article 7785172 (2016 IEEE Conference on Standards for Communications and Networking, CSCN 2016). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CSCN.2016.7785172

Phase noise mitigation in MIMO-OFDM systems with independent oscillators. / Lee, Tae Jun; Jeong, Min Hwa; Ko, Young Chai.
2016 IEEE Conference on Standards for Communications and Networking, CSCN 2016. Institute of Electrical and Electronics Engineers Inc., 2016. 7785172 (2016 IEEE Conference on Standards for Communications and Networking, CSCN 2016).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Lee, TJ, Jeong, MH & Ko, YC 2016, Phase noise mitigation in MIMO-OFDM systems with independent oscillators. in 2016 IEEE Conference on Standards for Communications and Networking, CSCN 2016., 7785172, 2016 IEEE Conference on Standards for Communications and Networking, CSCN 2016, Institute of Electrical and Electronics Engineers Inc., 2016 IEEE Conference on Standards for Communications and Networking, CSCN 2016, Berlin, Germany, 16/10/31. https://doi.org/10.1109/CSCN.2016.7785172

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AB - In this paper, we propose a phase noise cancellation algorithm in MIMO-OFDM systems where each transmit (TX) and receive (RX) antenna is equipped with independent oscillator. Most of previous works have considered phase noise model only in SISO-OFDM or simplified phase noise model in MIMO systems assuming that each TX and RX end shares one local oscillator. Recently, however, the local oscillator for each TX and RX antenna can be different for some reasons, in particular for the case of mmWave based wireless systems. In our paper, maximum a posteriori (MAP) estimator is used to jointly estimate phase noise at TX and RX and detect data symbols. Also we derive Bayesian Cramér-Rao bound (BCRLB) for the phase noise processes. At the end of this paper, we demonstrate from our simulation results that the application of proposed algorithm improves the bit-error-rate performance and its mean squared error can be close to BCRLB.

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Phase noise mitigation in MIMO-OFDM systems with independent oscillators

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Keywords

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