Liu, F;
Garcia-Rodriguez, A;
Masouros, C;
Geraci, G;
(2019)
Interfering Channel Estimation for Radar and Communication Coexistence.
In:
2019 IEEE 20th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC).
IEEE: Cannes, France.
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Abstract
We investigate the interfering channel estimation in radar and communication coexistence, where a multi-input-multi-output (MIMO) radar is operated in a “search and track” mode, and a MIMO base station (BS) is attempting to acquire the interfering channel state information (ICSI) between them, which is required for the precoding designs. In contrast to conventional training based techniques, we exploit radar probing waveforms as pilot signals, which requires no coordination between the systems. As the radar randomly transmits searching and tracking waveforms, it is challenging for the BS to directly obtain the ICSI. We therefore propose a Rao test approach to firstly identify the working mode of the radar, and then estimate the channel. We further provide theoretical performance analysis for the Rao detector. Finally, we assess the effectiveness of the proposed approach by numerical simulations, which show that the BS is able to estimate the ICSI with limited information from the radar.
| Type: | Proceedings paper |
|---|---|
| Title: | Interfering Channel Estimation for Radar and Communication Coexistence |
| Event: | 2019 IEEE 20th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC) |
| ISBN-13: | 9781538665282 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1109/SPAWC.2019.8815575 |
| Publisher version: | https://doi.org/10.1109/SPAWC.2019.8815575 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10082590 |
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