A Defensive Scheduling Scheme to Accommodate Random Selection Devices in 5G NR V2X

Youngjoon Yoon; Hyeonji Seon; Hyogon Kim

doi:10.1109/LCOMM.2021.3057451

A Defensive Scheduling Scheme to Accommodate Random Selection Devices in 5G NR V2X

Youngjoon Yoon, Hyeonji Seon, Hyogon Kim

Department of Computer Science and Engineering

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

The newly completed 3GPP Release 16 for 5G New Radio (NR) vehicle-to-everything (V2X) communication assumes that all participating devices can continually sense the channel activities in terms of resource use. However, many non-vehicular devices such as smartphones of vulnerable road users (VRUs) and road-embedded sensors are constrained by battery, and cannot afford such 'always-on' sensing. The deficiency will have undesirable impact on the existing resource allocation algorithm in the envisioned NR V2X integrated framework. As we start the efforts towards Release 17, therefore, there is a pressing need to develop a solution to smoothly integrate the limited-sensing devices into the framework. This letter develops a solution based on the new features available in Release 16 NR Sidelink Mode 2, such as resource reservation pointers and resource pre-emption checks. We demonstrate that a defensive transmission strategy employed by the full-sensing devices that jitters their transmissions around the resource double-booked by the limited-sensing devices can significantly mitigate the packet delivery performance degradation for both the full-sensing and the limited-sensing devices.

Original language	English
Article number	9348951
Pages (from-to)	2068-2072
Number of pages	5
Journal	IEEE Communications Letters
Volume	25
Issue number	6
DOIs	https://doi.org/10.1109/LCOMM.2021.3057451
Publication status	Published - 2021 Jun

Bibliographical note

Funding Information:
Manuscript received January 13, 2021; revised February 2, 2021; accepted February 3, 2021. Date of publication February 5, 2021; date of current version June 10, 2021. This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. 2020R1A2C3011888). The associate editor coordinating the review of this letter and approving it for publication was K. Rajawat. (Corresponding author: Hyogon Kim.) The authors are with the Department of Computer Science and Engineering, Korea University, Seoul 02841, South Korea (e-mail: [email protected]). Digital Object Identifier 10.1109/LCOMM.2021.3057451

Publisher Copyright:
© 1997-2012 IEEE.

Keywords

5G
NR
V2X
defensive scheduling
random selection devices
resource allocation
sidelink mode~2

ASJC Scopus subject areas

Modelling and Simulation
Computer Science Applications
Electrical and Electronic Engineering

Access to Document

10.1109/LCOMM.2021.3057451

Cite this

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title = "A Defensive Scheduling Scheme to Accommodate Random Selection Devices in 5G NR V2X",

abstract = "The newly completed 3GPP Release 16 for 5G New Radio (NR) vehicle-to-everything (V2X) communication assumes that all participating devices can continually sense the channel activities in terms of resource use. However, many non-vehicular devices such as smartphones of vulnerable road users (VRUs) and road-embedded sensors are constrained by battery, and cannot afford such 'always-on' sensing. The deficiency will have undesirable impact on the existing resource allocation algorithm in the envisioned NR V2X integrated framework. As we start the efforts towards Release 17, therefore, there is a pressing need to develop a solution to smoothly integrate the limited-sensing devices into the framework. This letter develops a solution based on the new features available in Release 16 NR Sidelink Mode 2, such as resource reservation pointers and resource pre-emption checks. We demonstrate that a defensive transmission strategy employed by the full-sensing devices that jitters their transmissions around the resource double-booked by the limited-sensing devices can significantly mitigate the packet delivery performance degradation for both the full-sensing and the limited-sensing devices. ",

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A Defensive Scheduling Scheme to Accommodate Random Selection Devices in 5G NR V2X

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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