XR streaming performance with wi-fi 7 multi-link operation

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  • dc.contributor.author Jonsson, Anders
  • dc.contributor.author Carrascosa Zamacois, Marc
  • dc.contributor.author Galati Giordano, Lorenzo
  • dc.contributor.author Wilhelmi Roca, Francesc
  • dc.contributor.author Fontanesi, Gianluca
  • dc.contributor.author Geraci, Giovanni
  • dc.contributor.author Bellalta, Boris
  • dc.date.accessioned 2025-10-07T06:11:55Z
  • dc.date.available 2025-10-07T06:11:55Z
  • dc.date.issued 2025
  • dc.description.abstract Extended Reality (XR) has stringent throughput and delay requirements that are hard to meet with current wireless technologies. Missing these requirements can lead to worsened picture quality, perceived lag between user input and corresponding output, and even dizziness for the end user. In this paper, we study the capability of Wi-Fi 7, and its novel support for Multi-Link Operation (MLO), to cope with these tight requirements. Our study is based on simulation results extracted from an MLO-compliant simulator that realistically reproduces VR traffic. Results show that MLO can sustain Virtual Reality (VR) applications. By jointly using multiple links with independent channel access procedures, MLO can reduce the overall delay, which is especially useful in the uplink, as it has more stringent requirements than the downlink, and is instrumental in delivering the expected performance. We show that using MLO can support more users per Access Point (AP) than an equivalent number of links using Single Link Operation (SLO). We also show that, while maintaining the same overall bandwidth, a higher number of MLO links with narrower channels leads to lower delays than a lower number of links with wider channels. We also study the impact of Overlapping Basic Service Sets (OBSS) on performance of XR applications, showing how SLO struggles to maintain a low delay when OBSS activity increases, and how MLO can cope with this interference by using MLO-aware channel assignment strategies. Finally, we consider random positioning for the users, showcasing that MLO can support 5× more users than SLO.en
  • dc.description.sponsorship The work of Marc Carrascosa-Zamacois and Boris Bellalta was supported in part by Grant MAX-R under Grant HEu-CL4-MAX-R-101070072; in part by under Grant Wi-XR PID2021-123995NB-I00; and in part by MCIN/AEI through the Maria de Maeztu Units of Excellence Programme under Grant CEX2021-001195-M. The work of Lorenzo Galati-Giordano and Gianluca Fontanesi was supported in part by UNITY-6G Project, funded from European Union’s Horizon Europe Smart Networks and Services Joint Undertaking (SNS JU) Research and Innovation Programme under Grant 101192650. The work of Francesc Wilhelmi was supported in part by Wi-XR under Grant PID2021-123995NB-I00. The work of Giovanni Geraci was supported in part by the Spanish Research Agency under Grant PID2021-123999OB-I00, Grant CEX2021-001195-M, and Grant CNS2023-145384. The work of Boris Bellalta was supported by ICREA Academia under Grant 00077.en
  • dc.format.mimetype application/pdf
  • dc.identifier.citation Carrascosa-Zamacois M, Galati-Giordano L, Wilhelmi F, Fontanesi G, Jonsson A, Geraci G, et al. XR streaming performance with wi-fi 7 multi-link operation. IEEE Open J Commun Soc. 2025 Aug 1;6:6477-90. DOI: 10.1109/OJCOMS.2025.3594950
  • dc.identifier.doi http://dx.doi.org/10.1109/OJCOMS.2025.3594950
  • dc.identifier.issn 2644-125X
  • dc.identifier.uri http://hdl.handle.net/10230/71414
  • dc.language.iso eng
  • dc.publisher Institute of Electrical and Electronics Engineers (IEEE)
  • dc.relation.ispartof IEEE Open Journal of the Communications Society. 2025 Aug 1;6:6477-90
  • dc.relation.projectID info:eu-repo/grantAgreement/EC/H2020/101192650
  • dc.relation.projectID info:eu-repo/grantAgreement/ES/3PE/CNS2023-145384
  • dc.relation.projectID info:eu-repo/grantAgreement/ES/2PE/PID2021-123995NB-I00
  • dc.rights © 2025 The Authors. This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
  • dc.rights.accessRights info:eu-repo/semantics/openAccess
  • dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/4.0/
  • dc.subject.keyword Multi-link operationen
  • dc.subject.keyword XR streamingen
  • dc.subject.keyword IEEE 802.11been
  • dc.subject.keyword Wi-Fi 7en
  • dc.title XR streaming performance with wi-fi 7 multi-link operationen
  • dc.type info:eu-repo/semantics/article
  • dc.type.version info:eu-repo/semantics/publishedVersion

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