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Automotive radar and communications sharing of the 79-GHz band

Published: 03 October 2016 Publication History

Abstract

The spectrum scarcity problem is becoming severer in the 5.9 GHz Dedicated Short Range Communication (DSRC) band due to the rapidly increasing wireless traffic demands in vehicular networks. Meanwhile, massive bandwidth has been allocated to automotive radars in the 79 GHz band. Given its large bandwidth, radar imaging accuracy in the 79 GHz automotive radar band is still low because sequential target observations of a single radar sensor are highly correlated. Therefore, the 79 GHz band can be regarded as underutilized. Since the observations of different vehicles are less correlated, collaborative radar imaging among neighboring vehicles through vehicle-to-vehicle (V2V) communications can improve the accuracy of automotive radar imaging. More importantly, in the resulting Joint Automotive Radar-Communication (JARC) system, less bandwidth is required to achieve high radar imaging accuracy. Hence, remaining bandwidth can be utilized to alleviate the spectrum scarcity problem in the DSRC band.
In this paper, we develop a distributed JARC system to facilitate the spectrum sharing between radar imaging and V2V communications in the 79 GHz millimeter wave band. In particular, we implement the proposed JARC system by devising of a corresponding MAC layer protocol, which contributes to the future standardization of the JARC system. Moreover, the performance of the proposed JARC system is evaluated through simulation examples, which demonstrates that the JARC system is able to support high-throughput V2V communications in the 79 GHz band.

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Cited By

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  • (2021)Neighbor Discovery and MAC Protocol for Joint Automotive Radar-Communication Systems2021 IEEE 94th Vehicular Technology Conference (VTC2021-Fall)10.1109/VTC2021-Fall52928.2021.9625465(1-6)Online publication date: Sep-2021
  • (2021)Millimeter-Wave and Terahertz Spectrum for 6G Wireless6G Mobile Wireless Networks10.1007/978-3-030-72777-2_6(83-121)Online publication date: 22-Mar-2021
  • (2020)RadChat: Spectrum Sharing for Automotive Radar Interference MitigationIEEE Transactions on Intelligent Transportation Systems10.1109/TITS.2019.295988122:1(416-429)Online publication date: 24-Dec-2020
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cover image ACM Other conferences
CarSys '16: Proceedings of the First ACM International Workshop on Smart, Autonomous, and Connected Vehicular Systems and Services
October 2016
74 pages
ISBN:9781450342506
DOI:10.1145/2980100
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 03 October 2016

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Author Tags

  1. 79 GHz millimeter wave band
  2. joint automotive radar and communication system
  3. spectrum sharing

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MobiCom'16

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CarSys '16 Paper Acceptance Rate 8 of 20 submissions, 40%;
Overall Acceptance Rate 8 of 20 submissions, 40%

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Cited By

View all
  • (2021)Neighbor Discovery and MAC Protocol for Joint Automotive Radar-Communication Systems2021 IEEE 94th Vehicular Technology Conference (VTC2021-Fall)10.1109/VTC2021-Fall52928.2021.9625465(1-6)Online publication date: Sep-2021
  • (2021)Millimeter-Wave and Terahertz Spectrum for 6G Wireless6G Mobile Wireless Networks10.1007/978-3-030-72777-2_6(83-121)Online publication date: 22-Mar-2021
  • (2020)RadChat: Spectrum Sharing for Automotive Radar Interference MitigationIEEE Transactions on Intelligent Transportation Systems10.1109/TITS.2019.295988122:1(416-429)Online publication date: 24-Dec-2020
  • (2020)Can Automotive Radars Form Vehicular Networks?2020 IEEE Radar Conference (RadarConf20)10.1109/RadarConf2043947.2020.9266540(1-6)Online publication date: 21-Sep-2020
  • (2019)Radar Assisted Fast Neighbor Discovery for Wireless Ad Hoc NetworksIEEE Access10.1109/ACCESS.2019.29502777(176514-176524)Online publication date: 2019
  • (2018)The Impact of Interference From the Side Lanes on mmWave/THz Band V2V Communication Systems With Directional AntennasIEEE Transactions on Vehicular Technology10.1109/TVT.2018.279956467:6(5028-5041)Online publication date: Jun-2018
  • (2017)Leveraging cloud intelligence for hybrid vehicular communications2017 IEEE 20th International Conference on Intelligent Transportation Systems (ITSC)10.1109/ITSC.2017.8317909(15-20)Online publication date: Oct-2017

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