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Phase Synchronization for MIMO Radars in the Absence of Channel Reciprocity

Authors
Yeo, KwanggooShin, Hyuk-sooYang, Hoon-geeChung, Young-seekJeong, Myung-deukChung, Wonzoo
Issue Date
5월-2014
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Keywords
phase synchronization; MIMO radar; MLE; channel reciprocity
Citation
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, v.E97A, no.5, pp.1130 - 1135
Indexed
SCIE
SCOPUS
Journal Title
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES
Volume
E97A
Number
5
Start Page
1130
End Page
1135
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/98573
DOI
10.1587/transfun.E97.A.1130
ISSN
1745-1337
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 line-of-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.
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