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Efficient PHY Layer Abstraction for 5G NR Sidelink in ns-3

  • Liu Cao
  • , Lyutianyang Zhang
  • , Sumit Roy
  • University of Washington

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Physical (PHY) layer abstraction is an effective method to reduce the runtimes compared with link simulations but still accurately characterize the link performance. As a result, PHY layer abstraction for IEEE 802.11 WLAN and 3GPP LTE/5G has been widely configured in the network simulators such as ns-3, which achieve faster system-level simulations quantifying the network performance. Since the first publicly accessible 5G NR Sidelink (SL) link simulator has been recently developed, it provides a possibility of implementing the first PHY layer abstraction on 5G NR SL. This work deploys an efficient PHY layer abstraction method (i.e., EESM-log-SGN) for 5G NR SL based on the offline NR SL link simulation. The obtained layer abstraction which is further stored in ns-3 for use aims at the common 5G NR SL scenario of OFDM unicast single layer mapping in the context of Independent and Identically Distributed (i.i.d.) frequency-selective channels. We provide details about implementation, performance, and validation.

Original languageEnglish
Title of host publicationProceedings of the 2023 Workshop on ns-3, WNS3 2023
PublisherAssociation for Computing Machinery
Pages115-120
Number of pages6
ISBN (Electronic)9798400707476
DOIs
StatePublished - 28 Jun 2023
Externally publishedYes
Event15th Workshop on Network Simulator, WNS3 2023 - Arlington, United States
Duration: 28 Jun 202329 Jun 2023

Publication series

NameACM International Conference Proceeding Series

Conference

Conference15th Workshop on Network Simulator, WNS3 2023
Country/TerritoryUnited States
CityArlington
Period28/06/2329/06/23

Keywords

  • 5G NR
  • EESM-log-SGN
  • Network Simulator 3 (ns-3)
  • Numerology
  • PHY Layer Abstraction
  • Sidelink
  • TB BLER

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