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Joint radar-communication waveform designs using signals from multiplexed users
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Cao, Ning, Chen, Yunfei, Gu, Xueyun and Feng, Wei (2020) Joint radar-communication waveform designs using signals from multiplexed users. IEEE Transactions on Communications . doi:10.1109/TCOMM.2020.2994215 (In Press)
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Official URL: https://doi.org/10.1109/TCOMM.2020.2994215
Abstract
Joint radar-communication designs are exploited in applications where radar and communications systems share the same frequency band or when both radar sensing and information communication functions are required in the same system. Finding a waveform that is suitable for both radar and communication is challenging due to the difference between radar and communication operations. In this paper, we propose a new method of designing dual-functional waveforms for both radar and communication using signals from multiplexed communications users. Specifically, signals from different communications users multiplexed in the time, code or frequency domains across different data bits are linearly combined to generate an overall radar waveform. Three typical radar waveforms are considered. The coefficients of the linear combination are optimized to minimize the mean squared error with or without a constraint on the signal-to-noise ratio (SNR) for the communications signals. Numerical results show that the optimization without SNR constraint can almost perfectly approximate the radar waveform in all the cases considered, giving good dual-functional waveforms for both radar and communication. Also, among different multiplexing techniques, time division multiple access is the best option to approximate the radar waveform, followed by code division multiple access and orthogonal frequency division multiple access.
| Item Type: | Journal Article | |||||||||||||||||||||
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| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | |||||||||||||||||||||
| Divisions: | Faculty of Science > Engineering | |||||||||||||||||||||
| Library of Congress Subject Headings (LCSH): | Telecommunication, Radar transmitters, Data transmission systems, Signal processing | |||||||||||||||||||||
| Journal or Publication Title: | IEEE Transactions on Communications | |||||||||||||||||||||
| Publisher: | IEEE | |||||||||||||||||||||
| ISSN: | 0090-6778 | |||||||||||||||||||||
| Official Date: | 2020 | |||||||||||||||||||||
| Dates: |
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| Date of first compliant deposit: | 21 May 2020 | |||||||||||||||||||||
| DOI: | 10.1109/TCOMM.2020.2994215 | |||||||||||||||||||||
| Status: | Peer Reviewed | |||||||||||||||||||||
| Publication Status: | In Press | |||||||||||||||||||||
| Publisher Statement: | © 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 | |||||||||||||||||||||
| RIOXX Funder/Project Grant: |
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