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Phase Synchronization for MIMO Radars in the Absence of Channel Reciprocity
- Authors
- Yeo, Kwanggoo; Shin, Hyuk-soo; Yang, Hoon-gee; Chung, Young-seek; Jeong, Myung-deuk; Chung, 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
- Volume
- E97A
- Number
- 5
- Start Page
- 1130
- End Page
- 1135
- 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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