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Coordinated SR and restricted TWT for time sensitive applications in WiFi 7 networks

Jetmir Haxhibeqiri (UGent) , Xianjun Jiao (UGent) , Xiaoman Shen, Chun Pan, Xingfeng Jiang, Jeroen Hoebeke (UGent) and Ingrid Moerman (UGent)
(2024) IEEE COMMUNICATIONS MAGAZINE. 62(8). p.118-124
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Abstract
The main focus of every new WiFi generation has been to increase the overall network throughput capabilities. This paradigm changed somewhat with the introduction of WiFi 6, where new features were introduced that, in addition to throughput increase, dealt with improving the efficiency of resource usage and channel access as well. These features included uplink/downlink orthogonal frequency-division multiple access (UL/DL OFDMA), UL/DL multi-user multiple-input and multiple-output (MU-MIMO), and basic service set (BSS) coloring. With the advent of WiFi 7, also known as IEEE 802.11be, more coordination is foreseen between different access points (APs), bringing the possibility to support time-critical traffic in wireless networks as well. Boosted coordination between APs improves the throughput under dense deployed WiFi networks, as well as giving support for prioritized channel access for certain devices and traffic flows. In this article, we will review coordinated spatial reuse (C-SR) and restricted target wake time (R-TWT) as two features that are going to be introduced in WiFi 7. Further, this article shows conceptually how the C-SR feature can be implemented in practice. We show the results of a real implementation of both features (C-SR and R-TWT) on top of the openwifi open-source software-defined radio platform.
Keywords
Wireless sensor networks, Accuracy, Wireless networks, Receivers, Tutorials, Throughput, Time factors, Wireless fidelity

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Citation

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MLA
Haxhibeqiri, Jetmir, et al. “Coordinated SR and Restricted TWT for Time Sensitive Applications in WiFi 7 Networks.” IEEE COMMUNICATIONS MAGAZINE, vol. 62, no. 8, 2024, pp. 118–24, doi:10.1109/MCOM.001.2300431.
APA
Haxhibeqiri, J., Jiao, X., Shen, X., Pan, C., Jiang, X., Hoebeke, J., & Moerman, I. (2024). Coordinated SR and restricted TWT for time sensitive applications in WiFi 7 networks. IEEE COMMUNICATIONS MAGAZINE, 62(8), 118–124. https://doi.org/10.1109/MCOM.001.2300431
Chicago author-date
Haxhibeqiri, Jetmir, Xianjun Jiao, Xiaoman Shen, Chun Pan, Xingfeng Jiang, Jeroen Hoebeke, and Ingrid Moerman. 2024. “Coordinated SR and Restricted TWT for Time Sensitive Applications in WiFi 7 Networks.” IEEE COMMUNICATIONS MAGAZINE 62 (8): 118–24. https://doi.org/10.1109/MCOM.001.2300431.
Chicago author-date (all authors)
Haxhibeqiri, Jetmir, Xianjun Jiao, Xiaoman Shen, Chun Pan, Xingfeng Jiang, Jeroen Hoebeke, and Ingrid Moerman. 2024. “Coordinated SR and Restricted TWT for Time Sensitive Applications in WiFi 7 Networks.” IEEE COMMUNICATIONS MAGAZINE 62 (8): 118–124. doi:10.1109/MCOM.001.2300431.
Vancouver
1.
Haxhibeqiri J, Jiao X, Shen X, Pan C, Jiang X, Hoebeke J, et al. Coordinated SR and restricted TWT for time sensitive applications in WiFi 7 networks. IEEE COMMUNICATIONS MAGAZINE. 2024;62(8):118–24.
IEEE
[1]
J. Haxhibeqiri et al., “Coordinated SR and restricted TWT for time sensitive applications in WiFi 7 networks,” IEEE COMMUNICATIONS MAGAZINE, vol. 62, no. 8, pp. 118–124, 2024.
@article{01J6S0JHY9V2V824RK9YFH3P8D,
  abstract     = {{The main focus of every new WiFi generation has been to increase the overall network throughput capabilities. This paradigm changed somewhat with the introduction of WiFi 6, where new features were introduced that, in addition to throughput increase, dealt with improving the efficiency of resource usage and channel access as well. These features included uplink/downlink orthogonal frequency-division multiple access (UL/DL OFDMA), UL/DL multi-user multiple-input and multiple-output (MU-MIMO), and basic service set (BSS) coloring. With the advent of WiFi 7, also known as IEEE 802.11be, more coordination is foreseen between different access points (APs), bringing the possibility to support time-critical traffic in wireless networks as well. Boosted coordination between APs improves the throughput under dense deployed WiFi networks, as well as giving support for prioritized channel access for certain devices and traffic flows. In this article, we will review coordinated spatial reuse (C-SR) and restricted target wake time (R-TWT) as two features that are going to be introduced in WiFi 7. Further, this article shows conceptually how the C-SR feature can be implemented in practice. We show the results of a real implementation of both features (C-SR and R-TWT) on top of the openwifi open-source software-defined radio platform.}},
  author       = {{Haxhibeqiri, Jetmir and Jiao, Xianjun and Shen, Xiaoman and Pan, Chun and Jiang, Xingfeng and Hoebeke, Jeroen and Moerman, Ingrid}},
  issn         = {{0163-6804}},
  journal      = {{IEEE COMMUNICATIONS MAGAZINE}},
  keywords     = {{Wireless sensor networks,Accuracy,Wireless networks,Receivers,Tutorials,Throughput,Time factors,Wireless fidelity}},
  language     = {{eng}},
  number       = {{8}},
  pages        = {{118--124}},
  title        = {{Coordinated SR and restricted TWT for time sensitive applications in WiFi 7 networks}},
  url          = {{http://doi.org/10.1109/MCOM.001.2300431}},
  volume       = {{62}},
  year         = {{2024}},
}
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