CFX: Contention-Free Channel Access for IEEE 802.11ax [PDF]
Sensors, 2022 Orthogonal frequency-division multiple access (OFDMA) has attracted great attention as a key technology for uplink enhancement for Wi-Fi, since it can effectively reduce network congestion and channel access delay.
Kyu-haeng Lee, Daehee Kim
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IEEE 802.11ax OFDMA Resource Allocation with Frequency-Selective Fading [PDF]
Sensors, 2021 This paper studies the usage of orthogonal frequency division multiple access (OFDMA) for uplink transmissions in IEEE 802.11ax networks. OFDMA enables simultaneous multi-user transmissions in Wi-Fi, but its usage requires efficient resource allocation ...
Sergei Tutelian +3 more
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An Analysis of the Mixed IEEE 802.11ax Wireless Networks in the 5 GHz Band [PDF]
Sensors, 2023 This paper presents an analysis of the IEEE 802.11ax networks’ coexistence with legacy stations, namely IEEE 802.11ac, IEEE 802.11n, and IEEE 802.11a.
Marek Natkaniec, Natalia Bieryt
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Lyapunov Optimization-Based Latency-Bounded Allocation Using Deep Deterministic Policy Gradient for 11ax Spatial Reuse [PDF]
IEEE Access, 2021 With the growing demand for wireless local area network (WLAN) applications that require low latency, orthogonal frequency-division multiple access (OFDMA) has been adopted for uplink and downlink transmissions in the IEEE 802.11ax standard to improve ...
Shunnosuke Kotera +3 more
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An analysis of BSS coloring mechanism in IEEE 802.11ax dense networks [PDF]
International Journal of Electronics and Telecommunications, 2022 The paper presents an analysis of BSS coloring scheme defined in IEEE 802.11ax standard. The efficiency of dense networks for different scenarios was analyzed and compared.
Marek Natkaniec, Natalia Bieryt
doaj +4 more sources
OFDMA Backoff Control Scheme for Improving Channel Efficiency in the Dynamic Network Environment of IEEE 802.11ax WLANs [PDF]
Sensors, 2021 IEEE 802.11ax uplink orthogonal frequency division multiple access (OFDMA)-based random access (UORA) is a new feature for random channel access in wireless local area networks (WLANs).
Youngboo Kim, Lam Kwon, Eun-Chan Park
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Interference-Aware Adaptive Beam Alignment for Hyper-Dense IEEE 802.11ax Internet-of-Things Networks [PDF]
Sensors, 2018 The increasing use of Internet of Things (IoT) devices in specific areas results in an interference among them and the quality of communications can be severely degraded.
Dohyun Kwon +3 more
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Interference-Aware Two-Level Differentiated Transmission for Improving Downlink Spatial Reuse in Dense WLANs [PDF]
Sensors, 2022 In this study, we address the problem of downlink throughput degradation in dense wireless local area networks (WLANs) based on the IEEE 802.11ax standard. We demonstrate that this problem essentially results from the asymmetric characteristic of carrier
Lam Kwon, Eun-Chan Park
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Performance Analysis of the IEEE 802.11ax MAC Protocol for Heterogeneous Wi-Fi Networks in Non-Saturated Conditions [PDF]
Sensors, 2019 The IEEE 802.11ax standard, which realizes multi-user transmission based on orthogonal frequency division multiple access (OFDMA), has been highlighted as a key technology to meet high future demand for Wi-Fi systems.
Kyu-haeng Lee
doaj +2 more sources
On Energy Saving in IEEE 802.11ax
IEEE Access, 2018 Wi-Fi access has become a fundamental technology for smart building as reliable and efficient Wi-Fi is the foundation that effectively enable indoor smart devices in smart buildings.
Hang Yang +2 more
doaj +3 more sources