Reliable Groupcast for NR V2X

With the development of autonomous vehicles, the high reliability and low latency vehicular communication technologies have become more critical. The Third Generation Partnership Project (3GPP) specifies the sidelink (SL) transmission based on New Radio (NR), aiming to meet stringent vehicle-to-ever...

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Autores principales:	Yan-Teng Kuo, Wen-Di Shen, Hung-Yu Wei
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2021
Materias:	V2X new radio resource allocation groupcast Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/5a07d5b795bb4d6d9dbfb591f162e19e
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id	oai:doaj.org-article:5a07d5b795bb4d6d9dbfb591f162e19e
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spelling	oai:doaj.org-article:5a07d5b795bb4d6d9dbfb591f162e19e2021-11-18T00:00:56ZReliable Groupcast for NR V2X2169-353610.1109/ACCESS.2021.3126938https://doaj.org/article/5a07d5b795bb4d6d9dbfb591f162e19e2021-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9610058/https://doaj.org/toc/2169-3536With the development of autonomous vehicles, the high reliability and low latency vehicular communication technologies have become more critical. The Third Generation Partnership Project (3GPP) specifies the sidelink (SL) transmission based on New Radio (NR), aiming to meet stringent vehicle-to-everything (V2X) requirements. Compared with Long Term Evolution (LTE) V2X, which only supports broadcast use cases, NR V2X also supports unicast and groupcast. The groupcast operation allows the transmitter to communicate with multiple receivers in the same group at once. In general, the group size for vehicles is limited due to the high-reliability requirement. In this paper, we present reliable blind retransmission for NR V2X groupcast. We improve the groupcast transmission reliability by assigning the proper retransmission user equipment(UE). This paper proposes a retransmission UE assignment. We formulate a retransmission UE selection problem to maximize the group packet reception ratio (GPRR) for NR V2X distributed groupcast. The simulation results show that the proposed retransmission method improves the V2X groupcast in terms of GPRR, packet inter-reception time (PIR), and the available group size.Yan-Teng KuoWen-Di ShenHung-Yu WeiIEEEarticleV2Xnew radioresource allocationgroupcastElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENIEEE Access, Vol 9, Pp 152032-152046 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	V2X new radio resource allocation groupcast Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	V2X new radio resource allocation groupcast Electrical engineering. Electronics. Nuclear engineering TK1-9971 Yan-Teng Kuo Wen-Di Shen Hung-Yu Wei Reliable Groupcast for NR V2X
description	With the development of autonomous vehicles, the high reliability and low latency vehicular communication technologies have become more critical. The Third Generation Partnership Project (3GPP) specifies the sidelink (SL) transmission based on New Radio (NR), aiming to meet stringent vehicle-to-everything (V2X) requirements. Compared with Long Term Evolution (LTE) V2X, which only supports broadcast use cases, NR V2X also supports unicast and groupcast. The groupcast operation allows the transmitter to communicate with multiple receivers in the same group at once. In general, the group size for vehicles is limited due to the high-reliability requirement. In this paper, we present reliable blind retransmission for NR V2X groupcast. We improve the groupcast transmission reliability by assigning the proper retransmission user equipment(UE). This paper proposes a retransmission UE assignment. We formulate a retransmission UE selection problem to maximize the group packet reception ratio (GPRR) for NR V2X distributed groupcast. The simulation results show that the proposed retransmission method improves the V2X groupcast in terms of GPRR, packet inter-reception time (PIR), and the available group size.
format	article
author	Yan-Teng Kuo Wen-Di Shen Hung-Yu Wei
author_facet	Yan-Teng Kuo Wen-Di Shen Hung-Yu Wei
author_sort	Yan-Teng Kuo
title	Reliable Groupcast for NR V2X
title_short	Reliable Groupcast for NR V2X
title_full	Reliable Groupcast for NR V2X
title_fullStr	Reliable Groupcast for NR V2X
title_full_unstemmed	Reliable Groupcast for NR V2X
title_sort	reliable groupcast for nr v2x
publisher	IEEE
publishDate	2021
url	https://doaj.org/article/5a07d5b795bb4d6d9dbfb591f162e19e
work_keys_str_mv	AT yantengkuo reliablegroupcastfornrv2x AT wendishen reliablegroupcastfornrv2x AT hungyuwei reliablegroupcastfornrv2x
_version_	1718425226938679296

Reliable Groupcast for NR V2X

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