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Feasibility of simultaneous transmit and receive in wi-fi 7 multi-link devices: demo

Published: 03 October 2022 Publication History

Abstract

Multi-link operation (MLO) is a key feature of Wi-Fi 7, which is currently under development. MLO improves throughput and latency by allowing two devices to establish multiple links between them. The maximal gains are achieved when the links do not interfere, and the devices can use them independently. Otherwise, inter-channel interference prevents successful frame reception. In this case, the Wi-Fi 7 standard forbids simultaneous transmission and reception on such links. This demo shows the effect of cross-link interference in Wi-Fi and discuss that even with notable cross-link interference, simultaneous transmission and reception are still possible in some cases.

References

[1]
E. Khorov, I. Levitsky, I. F. Akyildiz, "Current Status and Directions of IEEE 802.11be, the Future Wi-Fi 7," IEEE Access 8 (2020) pp. 88664--88688.
[2]
V. Angelakis, et.al."Adjacent channel interference in 802.11a is harmful: Testbed validation of a simple quantification model," IEEE Communications Magazine 49 (2011), pp. 160--166.
[3]
A. Zubow, R. Sombrutzki, "Adjacent channel interference in IEEE 802.11n," in: IEEE WCNC 2012, pp. 1163--1168.
[4]
I. Levitsky, Y. Okatev, E. Khorov, "Study on Simultaneous Transmission and Reception on Multiple Links in IEEE 802.11be networks," in: IEEE En&T, 2020.

Cited By

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  • (2024)Multi-Link Operation in IEEE802.11be Extremely High Throughput: A SurveyIEEE Access10.1109/ACCESS.2024.337899712(46891-46906)Online publication date: 2024
  • (2024)Highly Reliable Communication Using Multipath Slices with Alternating TransmissionAdvanced Information Networking and Applications10.1007/978-3-031-57916-5_40(471-482)Online publication date: 9-Apr-2024

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cover image ACM Conferences
MobiHoc '22: Proceedings of the Twenty-Third International Symposium on Theory, Algorithmic Foundations, and Protocol Design for Mobile Networks and Mobile Computing
October 2022
442 pages
ISBN:9781450391658
DOI:10.1145/3492866
Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author.

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Published: 03 October 2022

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Cited By

View all
  • (2024)Multi-Link Operation in IEEE802.11be Extremely High Throughput: A SurveyIEEE Access10.1109/ACCESS.2024.337899712(46891-46906)Online publication date: 2024
  • (2024)Highly Reliable Communication Using Multipath Slices with Alternating TransmissionAdvanced Information Networking and Applications10.1007/978-3-031-57916-5_40(471-482)Online publication date: 9-Apr-2024

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