Phase synchronization for MIMO radars in the absence of channel reciprocity

Kwanggoo Yeo; Hyuk Soo Shin; Hoon Gee Yang; Young Seek Chung; Myung Deuk Jeong; Wonzoo Chung

doi:10.1587/transfun.E97.A.1130

Phase synchronization for MIMO radars in the absence of channel reciprocity

Kwanggoo Yeo, Hyuk Soo Shin, Hoon Gee Yang, Young Seek Chung, Myung Deuk Jeong, Wonzoo Chung

Research output: Contribution to journal › Article › peer-review

Abstract

This letter presents a novel phase synchronization algorithm for a MIMO radar system in order to overcome the limitation of the existing algorithms relying on channel reciprocity, or line-of-sight, assumption between radar elements. The proposed algorithm is capable of synchronizing local oscillator phases among radar elements even if lineof-sight communication links are not available. Furthermore, the proposed algorithm exhibits robust MSE performance in the presence of frequency estimation error. The performance of the proposed algorithm was analyzed theoretically and verified by simulations.

Original language	English
Pages (from-to)	1130-1135
Number of pages	6
Journal	IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Volume	E97-A
Issue number	5
DOIs	https://doi.org/10.1587/transfun.E97.A.1130
Publication status	Published - 2014 May

Keywords

Channel reciprocity
MIMO radar
MLE
Phase synchronization

ASJC Scopus subject areas

Signal Processing
Computer Graphics and Computer-Aided Design
Electrical and Electronic Engineering
Applied Mathematics

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10.1587/transfun.E97.A.1130

Cite this

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AU - Yeo, Kwanggoo

AU - Shin, Hyuk Soo

AU - Yang, Hoon Gee

AU - Chung, Young Seek

AU - Jeong, Myung Deuk

AU - Chung, Wonzoo

PY - 2014/5

Y1 - 2014/5

N2 - This letter presents a novel phase synchronization algorithm for a MIMO radar system in order to overcome the limitation of the existing algorithms relying on channel reciprocity, or line-of-sight, assumption between radar elements. The proposed algorithm is capable of synchronizing local oscillator phases among radar elements even if lineof-sight communication links are not available. Furthermore, the proposed algorithm exhibits robust MSE performance in the presence of frequency estimation error. The performance of the proposed algorithm was analyzed theoretically and verified by simulations.

AB - This letter presents a novel phase synchronization algorithm for a MIMO radar system in order to overcome the limitation of the existing algorithms relying on channel reciprocity, or line-of-sight, assumption between radar elements. The proposed algorithm is capable of synchronizing local oscillator phases among radar elements even if lineof-sight communication links are not available. Furthermore, the proposed algorithm exhibits robust MSE performance in the presence of frequency estimation error. The performance of the proposed algorithm was analyzed theoretically and verified by simulations.

KW - Channel reciprocity

KW - MIMO radar

KW - MLE

KW - Phase synchronization

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Phase synchronization for MIMO radars in the absence of channel reciprocity

Abstract

Keywords

ASJC Scopus subject areas

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