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On Quality-of-Service Provisioning in IEEE 802.11ax WLANs

Der-Jiunn Deng, Shao-Yu Lien, Jorden Lee, Kwang-Cheng Chen
2016 IEEE Access  
In WLANs, medium access control protocol is the key component that enables efficient sharing the common radio channel while satisfying the quality of service (QoS) requirements for multimedia applications  ...  Then, we summarize the IEEE 802.11ax standardization activities in progress and present an overview of current perspectives and expected features on medium access control protocol design to better support  ...  Rung-Shiang Cheng for his help with building legacy IEEE 802.11 simulation environment.  ... 
doi:10.1109/access.2016.2602281 fatcat:2wi7hxlqbvgmrfvicftc5r6bne

A Low-Power WLAN Communication Scheme for IoT WLAN Devices Using Wake-Up Receivers

Hanseul Hong, Young Kim, Ronny Kim
2018 Applied Sciences  
Abstract: In this paper, we propose a delay-and power-efficient, multi-user, low-power wireless local area network (WLAN) communication scheme for Internet of Things (IoT) WLAN devices.  ...  However, because wake-up receiver-based schemes do not consider multiuser operation in dense communication environments, large delays are inevitable in the case of multiuser operation.  ...  Several power saving methods and control systems for IoT operation have been proposed based on WLAN.  ... 
doi:10.3390/app8010072 fatcat:me4lpn5lfza2fopgd4v4ozs44q

Performance Analysis of Resource Sharing During Downlink Multi-User Transmissions in CSMA/ECA Full Duplex WLANs

Anastasios C. Politis, Hristos T. Anastassiu
2020 Transport and Telecommunication  
In this paper, we provide an analytical model to assess the performance of resource sharing techniques in full duplex WLANs operating with the CSMA/ECA protocol.  ...  The traditional Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) protocol is inadequate to support full duplex communications efficiently.  ...  Acknowledgements The authors wish to acknowledge financial support provided by the Special Account for Research Funds of the International Hellenic University, Greece, under grant SAT/IE/100419-160/11.  ... 
doi:10.2478/ttj-2020-0005 fatcat:ugu6yyd5d5hwtcdztmj4qslom4

IEEE 802.11ax: High-efficiency WLANS

Boris Bellalta
2016 IEEE wireless communications  
In this paper, we review the expected future WLAN scenarios and use-cases that justify the push for a new PHY/MAC IEEE 802.11 amendment.  ...  Finally, we discuss some of the network-level functionalities that are required to fully improve the user experience in next-generation WLANs and note their relation with other on-going IEEE 802.11 amendments  ...  A survey of MU-MIMO MAC protocols for WLANs is presented in [12] , where the challenges and requirements to using a channel width of 160 MHz and OFDMA.  ... 
doi:10.1109/mwc.2016.7422404 fatcat:mxcd4ctvrvbb5imd23bferbyhu

IEEE 802.11ax: Challenges and Requirements for Future High Efficiency WiFi

M. Shahwaiz Afaqui, Eduard Garcia-Villegas, Elena Lopez-Aguilera
2017 IEEE wireless communications  
In this article, we introduce the IEEE 802.11ax, a new standard being developed by the IEEE 802.11 Working Group, which will enable efficient usage of spectrum along with enhanced user experience.  ...  The popularity of IEEE 802.11 based Wireless Local Area Networks (WLAN) has increased significantly in recent years because of their ability to provide increased mobility, flexibility, ease of use along  ...  Filip Mestanov for their insightful comments that improved the quality of this work.  ... 
doi:10.1109/mwc.2016.1600089wc fatcat:i5s77pas3nfnpdzfdhkib6qnhe

Spatial Clustering Group Based OFDMA Access Protocol for the Next Generation WLAN

Yong Li, Bo Li, Mao Yang, Zhongjiang Yan, Qiao Qu
2018 Xibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University  
Group Contention•Based OFDMA MAC Protocol for Multiple Access Interference•Free in WLAN Systems [ J] .  ...  In this paper,a spatial clustering group based OFDMA multiple access protocol ( SCG•OFDMA) is proposed.  ... 
doi:10.1051/jnwpu/20183650897 fatcat:cjlfgqwhznf5lcvua4sxtqocc4

Enabling Device-to-Device (D2D) Communication for the Next Generation WLAN

Ying Wang, Jianjun Lei, Fengjun Shang
2021 Wireless Communications and Mobile Computing  
To tackle this issue, we design an efficient resource management algorithm for uplink random access and resource allocation in D2D-enabled 802.11ax, which provides more channel access and resource reuse  ...  To tackle the complex interference problem in RU scheduling phase, we develop an efficient and low-complexity resource allocation algorithm based on the maximal independent set (MIS), which can schedule  ...  Related Work This section describes the related work of the previous studies on OFDMA-based and D2D-based offloading MAC protocols in highly dense WLAN.  ... 
doi:10.1155/2021/1949352 doaj:1efe942b66ad46bdb330004ce4c42fdf fatcat:wmnknrkvejhvfekienm7zjhrte

Survey and Performance Evaluation of the Upcoming Next Generation WLAN Standard - IEEE 802.11ax [article]

Qiao Qu, Bo Li, Mao Yang, Zhongjiang Yan, Annan Yang, Jian Yu, Ming Gan, Yunbo Li, Xun Yang, Osama Aboul-Magd, Edward Au, Der-Jiunn Deng, Kwang-Cheng Chen
2018 arXiv   pre-print
After that, the key technologies of IEEE 802.11ax, including the physical layer (PHY) enhancements, multi-user (MU) medium access control (MU-MAC), spatial reuse (SR), and power efficiency are discussed  ...  With the ever-increasing demand for wireless traffic and quality of serives (QoS), wireless local area networks (WLANs) have developed into one of the most dominant wireless networks that fully influence  ...  Our previous study [13] analyzes and investigates the MU-MAC protocol based on OFDMA, and proposes an efficient OFDMA based multi-user MAC protocol framework.These illustrate high quality analysis on  ... 
arXiv:1806.05908v1 fatcat:ssmnbv5ndbcdlmhgywhmvzuvai

AP-initiated Multi-User Transmissions in IEEE 802.11ax WLANs [article]

Boris Bellalta, Katarzyna Kosek-Szott
2018 arXiv   pre-print
Next-generation 802.11ax WLANs will make extensive use of multi-user communications in both downlink (DL) and uplink (UL) directions to achieve high and efficient spectrum utilization in scenarios with  ...  It will become possible with the support of multi-user (MU) multiple input, multiple output (MIMO) and orthogonal frequency division multiple access (OFDMA) transmissions.  ...  Based on them, we introduce a possible operation of IEEE 802.11ax WLANs that exploits efficiently both MU-MIMO and OFDMA techniques.  ... 
arXiv:1702.05397v2 fatcat:ohxfxc2iyfdqpiw6zmae2trdr4

Resource management for OFDMA based next generation 802.11 WLANs

Mehmet Karaca, Saeed Bastani, Basuki Endah Priyanto, Mohammadhassan Safavi, Bjorn Landfeldt
2016 2016 9th IFIP Wireless and Mobile Networking Conference (WMNC)  
In this work, for OFDMA based 802.11 WLANs we first propose practical algorithm in which the scheduling duration is fixed and does not change from time to time.  ...  Recently, IEEE 802.11ax Task Group has adapted OFDMA as a new technique for enabling multi-user transmission.  ...  [11] proposed GC-OFDMA, a group based hybrid OFDMA and CSMA/CA MAC protocol. Like [8] , GC-OFDMA allows STAs to use CSMA/CA to contend on separate sub-channels.  ... 
doi:10.1109/wmnc.2016.7543930 dblp:conf/mwcn/KaracaBPSL16 fatcat:2lkt4umlgnhfbdilpbbareiohy

Next generation IEEE 802.11 Wireless Local Area Networks: Current status, future directions and open challenges

Boris Bellalta, Luciano Bononi, Raffaele Bruno, Andreas Kassler
2016 Computer Communications  
Finally, we review emerging trends that can influence the design of future WLANs, with special focus on software-defined MACs and the internet-working with cellular systems.  ...  new generation of Wireless Local Area Networks (WLANs) will make its appearance in the market in the forthcoming years based on the amendments to the IEEE 802.11 standards that have recently been approved  ...  Acknowledgements We would like to thank the anonymous reviewers for their insightful comments on the paper, as these comments led us to an improvement of the work.  ... 
doi:10.1016/j.comcom.2015.10.007 fatcat:fqyw73iqbbfmvcpyawnkfkakt4

URLLC for 5G and Beyond: Requirements, Enabling Incumbent Technologies and Network Intelligence

Rashid Ali, Yousaf Bin Zikria, Ali Kashif Bashir, Sahil Garg, Hyung Seok Kim
2021 IEEE Access  
high efficiency WLAN (HEW)), IEEE 802.11ay-Based mmWave WLANs [126], and time-sensitive networking (TSN) in IEEE 802.11be [127] Thus, the OFDMA technique makes WLAN wireless channel access nearer  ...  The use of QL algorithm in MAC protocol proven that ML-based MAC protocols learn the diverse WLAN environments and optimize the network performance.  ...  , cognitive radio ad hoc sensor networks, transport protocols, VANETS, embedded system, and information security.  ... 
doi:10.1109/access.2021.3073806 fatcat:7ngx3ah5vzdyvcz4nkd2vvdyjy

Novel Multi-AP Coordinated Transmission Scheme for 7th Generation WLAN 802.11be

Woojin Ahn
2020 Entropy  
Utilizing the concept of multi-AP coordinated OFDMA introduced in the 7th-generation WLAN IEEE 802.11be, the proposed transmission scheme allows an AP to share a granted transmission opportunity (TXOP)  ...  In this study, we propose a novel transmission scheme for IEEE 802.11be networks that addresses the fairness problem and improves the system throughput.  ...  Previously employed standard protocols witnessed a significant increase in nominal data rates, but such a trend has not been observed for WLAN medium access control protocols.  ... 
doi:10.3390/e22121426 pmid:33348830 fatcat:twxsprigwbfxzit7xyor7ptqqm

Contention Resolution in Wi-Fi 6 Enabled Internet of Things based on Deep Learning

Chen Chen, Junchao Li, Venki Balasubramaniam, Yongqiang Wu, Yuru Zhang, Shaohua Wan
2020 IEEE Internet of Things Journal  
designed to improve performance in dense scenarios.  ...  To this end, we propose a CW control strategy for Wi-Fi 6 systems. This strategy leverages deep learning to search for optimal configuration of CW under different network conditions.  ...  Algorithm Based On Deep Reinforcement Learning: In [33] , an intelligent QL-based resource allocation (iQRA) mechanism is proposed for MAC layer channel access in dense WLANs.  ... 
doi:10.1109/jiot.2020.3037774 fatcat:lvg5stzrx5dgleqvlrqhxofc6a

Multi-user MAC Protocol for WLANs in MmWave Massive MIMO Systems with Mobile Edge Computing

Yifeng Zhao, Xueting Xu, Yuhan Su, Lianfeng Huang, Xiaojiang Du, Nadra Guizani
2019 IEEE Access  
Hence, exploring the potential of mmWave MIMO systems for WLAN could play a significant role in improving network performance, especially throughput.  ...  Access to high-speed WLANs has become an urgent challenge due to the fast rate of application development and user adoption.  ...  PROTOCOL STRUCTURE In this section, we introduce the massive MIMO into WLAN and propose an LSMWN-MAC (Large-scale MIMO Based Wireless Network MAC) protocol suitable for a massive MIMO environment.  ... 
doi:10.1109/access.2019.2952174 fatcat:vkgayueavbhkdbygba7gy3roai
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