NDLI: Automotive radar and communications sharing of the 79-GHz band

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Automotive radar and communications sharing of the 79-GHz band

Content Provider	ACM Digital Library
Author	Ekici, Eylem Kremo, Haris Han, You Altintas, Onur
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.
Starting Page	6
Ending Page	13
Page Count	8
File Format	PDF EPUB
ISBN	9781450342506
DOI	10.1145/2980100.2980106
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2016-10-03
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Joint automotive radar and communication system 79 ghz millimeter wave band Spectrum sharing
Content Type	Text
Resource Type	Article

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