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Joint bi-static radar and communications designs for intelligent transportation
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Cao, N., Chen, Yunfei, Gu, Xueyun and Feng, W. (2020) Joint bi-static radar and communications designs for intelligent transportation. IEEE Transactions on Vehicular Technology, 69 (11). 13060 -13071. doi:10.1109/TVT.2020.3020218 ISSN 0018-9545.
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WRAP-joint bi-static-radar-communications-designs-intelligent-transportation-Chen-2020.pdf - Accepted Version - Requires a PDF viewer. Download (989Kb) | Preview |
Official URL: https://doi.org/10.1109/TVT.2020.3020218
Abstract
The cooperation of radar and communications becomes important in vehicular environments due to the demand for radar-assisted communications or communications-assisted radar. In this paper, the tradeoff between bi-static radar and communications in a joint radar-communications setting is studied. We propose three schemes by using time division, superposition or their mixture. For each scheme, three optimization problems are formulated to maximize either the probability of detection for radar subject to a minimum communications rate, the communications rate subject to a minimum probability of detection for radar, or a combined measure of tradeoff. Specifically, given a fixed amount of total time or power for both communications and radar, the optimal power allocation and/or time allocation between radar and communications are derived. Numerical results show that the superposition scheme outperforms the time division scheme and the mixture scheme with considerable performance gains. They also show that the surveillance channel in radar and the communications channel are more important than the direct channel in radar.
| Item Type: | Journal Article | |||||||||||||||||||||
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| Subjects: | T Technology > TE Highway engineering. Roads and pavements T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | |||||||||||||||||||||
| Library of Congress Subject Headings (LCSH): | Radar, Intelligent transportation systems | |||||||||||||||||||||
| Journal or Publication Title: | IEEE Transactions on Vehicular Technology | |||||||||||||||||||||
| Publisher: | IEEE | |||||||||||||||||||||
| ISSN: | 0018-9545 | |||||||||||||||||||||
| Official Date: | November 2020 | |||||||||||||||||||||
| Dates: |
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| Volume: | 69 | |||||||||||||||||||||
| Number: | 11 | |||||||||||||||||||||
| Page Range: | 13060 -13071 | |||||||||||||||||||||
| DOI: | 10.1109/TVT.2020.3020218 | |||||||||||||||||||||
| Status: | Peer Reviewed | |||||||||||||||||||||
| Publication Status: | Published | |||||||||||||||||||||
| Reuse Statement (publisher, data, author rights): | © 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. | |||||||||||||||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||||||||||||||
| Date of first compliant deposit: | 4 September 2020 | |||||||||||||||||||||
| Date of first compliant Open Access: | 7 September 2020 | |||||||||||||||||||||
| RIOXX Funder/Project Grant: |
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