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Scheduling Strategies and Throughput Optimization for the Downlink for IEEE 802.11ax and IEEE 802.11ac Based Networks

Oran Sharon, Yaron Alpert
2017 Wireless Sensor Network  
Keywords IEEE 802.11ax, IEEE 802.11ac, Throughput, Single User, MU-MIMO, OFDMA How to cite this paper: Sharon, O. and Alpert, Y. (2017) Scheduling Strategies and Throughput Optimization for the Downlink  ...  for IEEE 802.11ax and IEEE 802.11ac Based Networks.  ...  Wireless Sensor Network Figure 8 . 8 The throughputs vs. the number of MPDUs in A-MPDU frames in IEEE 802.11ax Multi User for 4 stations in MCS11 and 64 stations in MCS9. .  ... 
doi:10.4236/wsn.2017.910020 fatcat:jfbk4gv4pnbp7bzce2vtqlly64

Transmission Delay-Based Uplink Multi-User Scheduling in IEEE 802.11ax Networks

Yonggang Kim, Gyungmin Kim, Youngwoo Oh, Wooyeol Choi
2021 Applied Sciences  
Through the IEEE 802.11ax standard compliant simulations, we verify the network throughput performance of the proposed uplink scheduling method.  ...  As the demands for uplink traffic increase, improving the uplink throughput has attracted research attention in IEEE 802.11 networks.  ...  These techniques are commonly used in conventional wireless systems requiring high network throughput performance. The gain in OFDMA for IEEE 802.11ax networks has been studied [5, 6] .  ... 
doi:10.3390/app11199196 fatcat:3tvi2fno5reqxap5gjzvex6sgu

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
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  ...  Simulations results confirm that IEEE 802.11ax significantly improves the user experience in high-density deployment, while successfully achieves the average per user throughput requirement in project  ...  In particular, the throughput of IEEE 802.11ax with OFDMA and MU-MIMO reaches 5.67Gbps at 160MHz, and the UL throughput of IEEE 802.11ac is 1.2Gbps.The throughput of IEEE 802.11ax with OFDMA and MU-MIMO  ... 
arXiv:1806.05908v1 fatcat:ssmnbv5ndbcdlmhgywhmvzuvai

Enabling Massive Real-Time Applications in IEEE 802.11be Networks

Evgeny Avdotin, Dmitry Bankov, Evgeny Khorov, Andrey Lyakhov
2019 2019 IEEE 30th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)  
A promising way to provide efficient real-time communications in 802.11be networks requires some modification of the uplink OFDMA feature originally introduced in the IEEE 802.11ax amendment to the Wi-Fi  ...  for future 802.11be networks.  ...  the basic IEEE 802.11ax networks.  ... 
doi:10.1109/pimrc.2019.8904271 dblp:conf/pimrc/AvdotinBKL19 fatcat:dia2krnyp5ek7jksqjxpdtwv3m

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

Scheduling strategies and throughput optimization for the Downlink for IEEE 802.11ax and IEEE 802.11ac based networks [article]

Oran Sharon, Yaron Alpert
2017 arXiv   pre-print
(MU-MIMO) and Orthogonal Frequency Division Multiple Access (OFDMA) transmission multiplexing format in IEEE 802.11ax vs.  ...  In SU scenario IEEE 802.11ax upper bounds on the throughputs outperform IEEE 802.11ac by about 52% and 74% in reliable and unreliable channels respectively.  ...  , BER=10 −5 IEEE 802.11ac SU(1) IEEE 802.11ax SU(1) IEEE 802.11ac MU(4) IEEE 802.11ax MU(4) IEEE 802.11ax MU(8) IEEE 802.11ax MU(16) IEEE 802.11ax MU(32) IEEE 802.11ax MU(64) Delay in every scheduling  ... 
arXiv:1709.04818v1 fatcat:r3cvlenujzfiloih4elior74j4

OFDMA Resource Allocation for Real-Time Applications in IEEE 802.11ax Networks

Evgeny Avdotin, Dmitry Bankov, Evgeny Khorov, Andrey Lyakhov
2019 2019 IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom)  
In this paper, we study how to allocate OFDMA resources in an 802.11ax network and propose an algorithm aimed at providing the delay less than one millisecond and reliability up to 99.999\% as required  ...  Initially introduced in the 802.11ax amendment to the Wi-Fi standard, uplink OFDMA seems to be a promising solution for supported low-latency data transmission from the numerous stations to an access point  ...  We show that CRA can meet the RTA requirements, while standard UORA is inappropriate for RTA scenarios. II. OFDMA IN IEEE 802.11AX OFDMA is one of the fundamentals of IEEE 802.11ax.  ... 
doi:10.1109/blackseacom.2019.8812774 dblp:conf/blackseecom/AvdotinBKL19 fatcat:jqp2yog6krc6laizvrfre2fq4u

IEEE 802.11ax OFDMA Resource Allocation with Frequency-Selective Fading

Sergei Tutelian, Dmitry Bankov, Dmitri Shmelkin, Evgeny Khorov
2021 Sensors  
This paper studies the usage of orthogonal frequency division multiple access (OFDMA) for uplink transmissions in IEEE 802.11ax networks.  ...  The proposed scheduling algorithm and power allocation approach can double the goodput and halve the data transmission time in Wi-Fi networks even in dense deployments of access points.  ...  In [25] , the authors develop a scheduler that solves an optimization problem to maximize the throughput for both uplink and downlink 802.11ax OFDMA transmissions.  ... 
doi:10.3390/s21186099 pmid:34577305 pmcid:PMC8472915 fatcat:mcvocg5hmrbingvt7eoan52gam

Scheduling Strategies and Throughput Optimization for the Uplink for IEEE 802.11ax and IEEE 802.11ac Based Networks

Oran Sharon, Yaron Alpert
2017 Wireless Sensor Network  
In this paper we explore several new IEEE 802.11ax UL scheduling mechanisms and compare between the maximum throughputs of unidirectional UDP Multi Users (MU) triadic.  ...  In SU scenario the throughputs of IEEE 802.11ax are larger than those of IEEE 802.11ac by 64% and 85% in reliable and unreliable channels respectively.  ...  X and Y that maximize the throughput.  ... 
doi:10.4236/wsn.2017.98014 fatcat:ravyv45oendv7mol76clarr2ry

Scheduling strategies and throughput optimization for the Uplink for IEEE 802.11ax and IEEE 802.11ac based networks [article]

Oran Sharon, Yaron Alpert
2018 arXiv   pre-print
In this paper we explore several new IEEE 802.11ax UL scheduling mechanisms and compare between the maximum throughputs of unidirectional UDP Multi Users (MU) triadic.  ...  In SU scenario IEEE 802.11ax throughputs outperform IEEE 802.11ac by about 64% and 85% in reliable and unreliable channels respectively.  ...  X and Y that maximize the throughput.  ... 
arXiv:1803.10657v1 fatcat:qehpdfpcorepnbetnp643apd3u

Performance Analysis of the IEEE 802.11ax MAC Protocol for Heterogeneous Wi-Fi Networks in Non-Saturated Conditions

Kyu-haeng Lee
2019 Sensors  
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  ...  Firstly, most of these consider only the saturation network throughput, whereas for 802.11ax in particular, the access delay of the nodes needs to be studied carefully, since they no longer acquire the  ...  Lanante et al. provide an analytical model for 802.11ax UL OFDMA with saturated network throughput [6] .  ... 
doi:10.3390/s19071540 fatcat:ijqashnl4vdozgfbh7kddg56pm

Using OFDMA for MU-MIMO User Selection in 802.11ax-Based Wi-Fi Networks

Kyu-Haeng Lee
2019 IEEE Access  
This paper proposes MUSE, a novel multi-user transmission scheme for 802.11ax networks.  ...  Extensive MATLAB simulation results show that MUSE significantly improves the network throughput, even in dense network scenarios, and also works effectively in co-existence with legacy nodes.  ...  The contributions of this paper are as follows: • We propose the use of OFDMA for MU-MIMO user selection in 802.11ax-based Wi-Fi networks.  ... 
doi:10.1109/access.2019.2960555 fatcat:ecihl63s5jbdtmusiiltdvzkr4

IEEE 802.11ax: High-efficiency WLANS

Boris Bellalta
2016 IEEE wireless communications  
IEEE 802.11ax-2019 will replace both IEEE 802.11n-2009 and IEEE 802.11ac-2013 as the next high-throughput Wireless Local Area Network (WLAN) amendment.  ...  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.  ...  IEEE 802.11ax-2019 aims for a 4-fold throughput increase compared with IEEE 802.11ac-2013.  ... 
doi:10.1109/mwc.2016.7422404 fatcat:mxcd4ctvrvbb5imd23bferbyhu

OFDMA Backoff Control Scheme for Improving Channel Efficiency in the Dynamic Network Environment of IEEE 802.11ax WLANs

Youngboo Kim, Lam Kwon, Eun-Chan Park
2021 Sensors  
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).  ...  However, how to determine a reasonable OCW range is beyond the scope of the IEEE 802.11ax standard.  ...  Background Uplink OFDMA Random Access (UORA) Two different types of uplink multi-user (MU) OFDMA operations, scheduled access and random access, are defined in the IEEE 802.11ax standard [9] .  ... 
doi:10.3390/s21155111 fatcat:c74n4fv6mbcg5iziederfaysl4

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

Der-Jiunn Deng, Shao-Yu Lien, Jorden Lee, Kwang-Cheng Chen
2016 IEEE Access  
INDEX TERMS Quality of service, IEEE 802.11ax, LTE-LAA, 5G, 5G-unlicensed, medium access control, wireless local area networks, WiFi, heterogeneous networks. 6086 2169-3536  ...  A revolutionary effort to seek fundamental improvement of 802.11, known as IEEE 802.11ax, has been approved to deliver the next-generation wireless local area network (WLAN) technologies.  ...  Rung-Shiang Cheng for his help with building legacy IEEE 802.11 simulation environment.  ... 
doi:10.1109/access.2016.2602281 fatcat:2wi7hxlqbvgmrfvicftc5r6bne
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