Results 51 to 60 of about 2,150 (172)

Recovering CSI and Data in Dense Network Environments Using IEEE 802.11ax Midamble

open access: yesIEEE Access, 2023
There has been considerable amount of research to improve performance for a dense wireless local area network (WLAN) environment. While some studies focus on aggressive channel access, others highlight frequent channel state information (CSI) corruption ...
Kanghyun Lee   +4 more
doaj   +1 more source

Radio hardware virtualization for software-defined wireless networks [PDF]

open access: yes, 2018
Software-Defined Network (SDN) is a promising architecture for next generation Internet. SDN can achieve Network Function Virtualization much more efficiently than conventional architectures by splitting the data and control planes.
Jiao, Xianjun   +3 more
core   +2 more sources

Symbol Timing Synchronization for Uplink Multi-User Transmission in IEEE 802.11ax WLAN

open access: yesIEEE Access, 2018
Along with the proliferation of mobile devices and applications, IEEE 802.11 wireless local area network (WLAN) has become one of the most popular Internet access technologies. This leads to dense deployment of WLAN devices, and the calls for better user
Youngwook Son   +3 more
doaj   +1 more source

Control Aware Radio Resource Allocation in Low Latency Wireless Control Systems

open access: yes, 2018
We consider the problem of allocating radio resources over wireless communication links to control a series of independent wireless control systems.
Cavalcanti, Dave   +5 more
core   +1 more source

MU-MIMO enabled uplink OFDMA MAC protocol in dense IEEE 802.11ax WLANs

open access: yesICT Express, 2020
IEEE 802.11ax supports orthogonal frequency division multiple access (OFDMA) for uplink (UL) transmissions where stations (STAs) access randomly chosen resource units (RUs) in a distributed manner.
Sohyun Joo   +3 more
doaj   +1 more source

Minkowski–Sierpinski Fractal Structure-Inspired 2 × 2 Antenna Array for Use in Next-Generation Wireless Systems

open access: yesFractal and Fractional, 2023
In this paper, the design, simulation, fabrication, and characterization study of a low-cost and directional hybrid four-element (2 × 2 configuration) Minkowski–Sierpinski fractal antenna array (MSFAA) for the high-efficiency IEEE 802.11ax WLANs (Wi-Fi ...
Arshad Karimbu Vallappil   +5 more
doaj   +1 more source

Evaluation of IEEE 802.11 coexistence in WLAN deployments [PDF]

open access: yes, 2017
This is a pre-print of an article published in Wireless Networks. The final authenticated version is available online at: https://doi.org/10.1007/s11276-017-1540-z.Wi-Fi has become a successful technology since the publication of its first WLAN standard ...
Casademont Serra, Jordi   +2 more
core   +2 more sources

Performance Evaluation of Different ToS Using Heterogeneous Communication Interfaces in FANETs

open access: yesFrontiers in Future Transportation, 2022
The use of different types-of-services (ToS), such as voice, data, and video, has become increasingly present in the execution of applications involving networks composed of multiple UAVs.
Laura Michaella B. Ribeiro   +3 more
doaj   +1 more source

Range-Based Localization Algorithm for Next Generation Wireless Networks Using Radical Centers

open access: yesIEEE Access, 2016
Localization is an important issue in next generation wireless networks (NGWNs), such as 5G cellular networks, IEEE 802.11ax WiFi networks, and wireless ad hoc sensor network (WASNs).
Yeong-Sheng Chen   +2 more
doaj   +1 more source

A Spectral‐Spatial Dual Encoder With Bio‐Inspired Swarm Adaptation for Cognitive Spectrum Sensing Using Real‐World RF Signal Data

open access: yesIET Communications, Volume 20, Issue 1, January/December 2026.
The proposed model includes a dual‐stream deep learning architecture which has a 1D convolutional neural network (CNN)‐based spectral encoder and a graph convolutional network (GCN)‐based spatial encoder for extracting the frequency‐domain and node‐topology features. Experimental analysis of the proposed model is performed using the Real‐World Wireless
P. Ramakrishnan   +3 more
wiley   +1 more source

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