NR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (2024)

NR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (2)

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  • Authors:
  • George V. Frangulea School of Engineering, University of Kent, United Kingdom

    School of Engineering, University of Kent, United Kingdom

    NR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (3)0000-0002-1314-3129

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  • Philippos Assimakopoulos School of Engineering, University of Kent, United Kingdom

    School of Engineering, University of Kent, United Kingdom

    NR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (4)0000-0002-2550-1317

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  • Biljana Bojović Centre Tecnològic de Telecomunicacions de Catalunya (CTTC/CERCA), Spain

    Centre Tecnològic de Telecomunicacions de Catalunya (CTTC/CERCA), Spain

    NR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (5)0000-0002-7996-9652

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  • Sandra Lagén Centre Tecnològic de Telecomunicacions de Catalunya (CTTC/CERCA), Spain

    Centre Tecnològic de Telecomunicacions de Catalunya (CTTC/CERCA), Spain

    NR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (6)0000-0003-4986-5104

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WNS3 '24: Proceedings of the 2024 Workshop on ns-3June 2024Pages 36–44https://doi.org/10.1145/3659111.3659114

Published:05 June 2024Publication HistoryNR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (7)

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WNS3 '24: Proceedings of the 2024 Workshop on ns-3

NR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3

Pages 36–44

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NR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (8)

ABSTRACT

This paper addresses the challenge of optimising coexistence between 5G New Radio Unlicensed (NR-U) and Wi-Fi networks in the unlicensed spectrum at the sub-7 GHz bands. Leveraging the latest 3GPP standard TS 37.213, we align the listen-before-talk procedure with the latest standardisation, including implementation improvements. Through simulations, we demonstrate the advantages and limitations of the Type 1 channel access procedure. This work brings valuable insights, proposes solutions, and sets the groundwork for an NR-U extension crucial for future research. In particular, we evaluate the interplay between the NR-U numerologies and the channel access procedure set with different priorities.

References

  1. 3GPP. 2015. Study on Licensed-Assisted Access to Unlicensed Spectrum. TR 36.889 (Rel. 13).Google ScholarNR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (9)
  2. 3GPP. 2016. Evolved Universal Terrestrial Radio Access (E-UTRA); Physical Layer Procedures. 3GPP, TS 36.213, V13.1.1.Google ScholarNR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (10)
  3. 3GPP. 2018. Study on NR-based Access to Unlicensed Spectrum. TR 38.889 (Rel. 16), V16.0.0.Google ScholarNR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (11)
  4. 3GPP. 2020. Considerations on Performance Evaluation for NR in 52.6-71GHz. 3GPP TSG RAN WG1 Meeting 103-e,R1-2007943.Google ScholarNR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (12)
  5. 3GPP. 2024. Physical Layer Procedures for Shared Spectrum Channel Access. TS 37.213 (Rel. 18), V18.2.0.Google ScholarNR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (13)
  6. Biljana Bojović, Lorenza Giupponi, Zoraze Ali, and Marco Miozzo. 2019. Evaluating Unlicensed LTE Technologies: LAA vs LTE-U. IEEE access 7 (2019), 89714–89751.Google ScholarNR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (14)
  7. ETSI. 2015. Harmonized European Standard, “Broadband Radio Access Networks (BRAN); 5 GHz High Performance RLAN. EN 301 893, V1.1.1.Google ScholarNR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (15)
  8. ETSI. 2017. Harmonised Standard Covering the Essential Requirements of Article 3.2 of Directive 2014/53/EU. EN 301 893, V2.1.1.Google ScholarNR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (16)
  9. IEEE Std. 2020. Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications. IEEE Standard, 802.11-2012, Part 11.Google ScholarNR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (17)
  10. Sandra Lagen, Biljana Bojovic, Katerina Koutlia, Xiaodi Zhang, Ping Wang, and Qi Qu. 2023. QoS Management for XR Traffic in 5G NR: A Multi-Layer System View & End-to-End Evaluation. IEEE Communications Magazine (2023).Google ScholarNR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (18)
  11. Sandra Lagén, Lorenza Giupponi, Sanjay Goyal, Natale Patriciello, Biljana Bojović, Alpaslan Demir, and Mihaela Beluri. 2020. New Radio Beam-based Access to Unlicensed Spectrum: Design Challenges and Solutions. IEEE Communications Surveys Tutorials 22, 1 (Oct. 2020), 8–37.Google ScholarNR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (19)Digital Library
  12. LTE-U Forum. 2015. LTE-U CSAT Procedure. TS V1.0.Google ScholarNR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (21)
  13. Natale Patriciello, Sandra Lagen, Biljana Bojovic, and Lorenza Giupponi. 2019. An E2E Simulator for 5G NR Networks. Simulation Modelling Practice and Theory 96 (Nov. 2019), 101933.Google ScholarNR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (22)

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NR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (23)

    Index Terms

    1. NR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3

      1. Computing methodologies

        1. Modeling and simulation

          1. Simulation types and techniques

            1. Discrete-event simulation

        2. Networks

          1. Network performance evaluation

            1. Network simulations

            2. Network types

              1. Mobile networks

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            NR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (24)

            WNS3 '24: Proceedings of the 2024 Workshop on ns-3

            June 2024

            67 pages

            ISBN:9798400717635

            DOI:10.1145/3659111

            • Editors:
            • Sandra Lagén,
            • Pasquale Imputato,
            • Mohit Tahiliani

            Copyright © 2024 Owner/Author

            This work is licensed under a Creative Commons Attribution International 4.0 License.

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                Association for Computing Machinery

                New York, NY, United States

                Publication History

                • Published: 5 June 2024

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                NR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (25)

                Author Tags

                • Coexistence
                • LBT
                • NR-U
                • Unlicensed.
                • ns-3

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                • NR-U and Wi-Fi Coexistence in sub-7 GHz bands: Implementation and Evaluation of NR-U Type 1 Channel Access in ns-3 | Proceedings of the 2024 Workshop on ns-3 (26)

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