The DOI matches its Crossref record; 12 of the 13 references it cites were found in a registry or an index.
Will OFDMA Improve the Performance of 802.11 Wifi Networks?
Abstract
WiFi 6 based on the IEEE 802.11ax amendment is intended to improve spectral efficiency and area throughput operations in high density environments. This is achieved (among other methods) by the introduction of Orthogonal Frequency Division Multiple Access (OFDMA) and enhanced multi-user Multiple Input Multiple Output (MU-MIMO) features. In this work, we explore the performance of downlink and uplink OFDMA in 802.11ax via extensive simulation based evaluation (latency, throughput, range) compared to conventional single user (SU) transmissions. Based on our results, we conclude that OFDMA can reduce the median latency from ~5 ms to less than 1 ms in non-saturation conditions. When used in conjunction with efficient multi-user buffer status report and restricted EDCA mechanisms, OFDMA can increase the saturation throughput by more than 10 percent. Moreover, UL OFDMA also improves aggregate throughput at longer ranges due to the narrower sub-channels (equivalently increased transmit power spectral density); four stations achieve an aggregate throughput 35 percent higher than a station transmitting SU frames and located at a range 1.5 times closer to the access point.
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In the citing paper
“This efficient spectrum utilization reduces latency and increases network capacity, which is significant in maritime environments where bandwidth is limited, but multiple fishermen need to connect to the network at the same time.”
From Implementation of an IEEE 802.11ax-Based Maritime Mesh Network in the Red Sea (2025) · cites this paper as [7]
In the citing paper
“Firstly, IEEE 802.11ax employs Orthogonal Frequency Division Multiple Access (OFDMA), allowing multiple devices to share the same channel simultaneously [7].”
From Implementation of an IEEE 802.11ax-Based Maritime Mesh Network in the Red Sea (2025) · cites this paper as [7]
Citations
Cites
A Tutorial on IEEE 802.11ax High Efficiency WLANs
Khorov, E., Kiryanov, A., Lyakhov, A. I., & Bianchi, G. (2018) · IEEE Communications Surveys & Tutorials · doi:10.1109/comst.2018.2871099 · Cited by 597
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Next Generation Wi-Fi and 5G NR-U in the 6 GHz Bands: Opportunities and Challenges
Naik, G., Park, J.-M. J., Ashdown, J., & Lehr, W. H. (2020) · IEEE Access · doi:10.1109/access.2020.3016036 · Cited by 197
AP-initiated multi-user transmissions in IEEE 802.11ax WLANs
Bellalta, B., & Kosek‐Szott, K. (2018) · Ad Hoc Networks · doi:10.1016/j.adhoc.2018.10.021 · Cited by 111
(2005) · IEEE Standards · doi:10.1109/ieeestd.2005.97890 · Cited by 105
NR-U and IEEE 802.11 Technologies Coexistence in Unlicensed mmWave Spectrum: Models and Evaluation
Patriciello, N., Lagén, S., Bojović, B., & Giupponi, L. (2020) · IEEE Access · doi:10.1109/access.2020.2987467 · Cited by 87
OFDMA Uplink Scheduling in IEEE 802.11ax Networks
Bankov, D., Didenko, A., Khorov, E., & Lyakhov, A. I. (2018) · International Conference on Communications · doi:10.1109/icc.2018.8422767 · Cited by 86
Performance Analysis of Uplink Multi-User OFDMA in IEEE 802.11ax
Naik, G., Bhattarai, S., & Park, J.-M. J. (2018) · International Conference on Communications · doi:10.1109/icc.2018.8422692 · Cited by 75
Performance evaluation of OFDMA and MU-MIMO in 802.11ax networks
Daldoul, Y., Meddour, D., & Ksentini, A. (2020) · Computer Networks · doi:10.1016/j.comnet.2020.107477 · Cited by 51
Research works printed but not linked: 1
- fellah, 2020, WBA Annual Industry Report, Wireless Broadband Alliance
Cited by
Mansour, M., Gamal, A., Ahmed, A., Said, L. A., Elbaz, A., Herencsár, N., & Soltan, A. (2023) · Energies · doi:10.3390/en16083465 · Cited by 227
Hazarika, A., & Rahmati, M. (2023) · Sensors · doi:10.3390/s23073682 · Cited by 171
A Survey of Wi-Fi 6: Technologies, Advances, and Challenges
Mozaffariahrar, E., Théoleyre, F., & Menth, M. (2022) · Future Internet · doi:10.3390/fi14100293 · Cited by 145
Recent Development of Emerging Indoor Wireless Networks towards 6G
Edirisinghe, S., Galagedarage, O., Dias, I., & Ranaweera, C. (2023) · Network · doi:10.3390/network3020014 · Cited by 49
A First Look at Wi-Fi 6 in Action: Throughput, Latency, Energy Efficiency, and Security
Liu, R., & Choi, N. (2023) · Proceedings of the ACM on Measurement and Analysis of Computing Systems · doi:10.1145/3579451 · Cited by 42
Metadata
- Authors
- Avallone, S., Imputato, P., Redieteab, G., Ghosh, C., & Roy, S.
- Affiliations
- Orange (France) (FR)
- Meta (United States) (US)
- University of Washington (US)
- Venue
- IEEE Wireless Communications
- Published
- 2021-06
- Volume
- 28
- Issue
- 3
- Pages
- 100-107
- ISSN
- 1536-1284 (ISSN-L)
- 1558-0687
- OpenAlex
- W3167543677
- Cited by
- 48
- References
- 13
- Citations by year
- 2026: 9 · 2025: 13 · 2024: 6 · 2023: 13 · 2022: 6 · 2021: 1
- FWCI
- 2.92
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- IEEE Wireless Communications (publishedVersion)
- Topics
- Physical Sciences › Computer Science › Computer Networks and Communications › Wireless Networks and Protocols
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced Wireless Network Optimization
- Physical Sciences › Computer Science › Computer Networks and Communications › Network Traffic and Congestion Control
- Keywords
- OFDMA, IEEE 802.11ax, Wi-Fi 6, MU-MIMO, OFDMA uplink, latency, throughput, high-density wireless networks
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- The paper
- Avallone, S., Imputato, P., Redieteab, G., Ghosh, C., & Roy, S. (2021). Will OFDMA Improve the Performance of 802.11 Wifi Networks? IEEE Wireless Communications. https://doi.org/10.1109/mwc.001.2000332
