A fully integrated GaAs HBT power amplifier for WLAN 802.11ax applications
Sign Up to like & getrecommendations! Published in 2024 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.70000
Abstract: A fully integrated gallium arsenide (GaAs) heterojunction bipolar transistor (HBT) power amplifier (PA) for wireless local area network 802.11ax applications is presented in this paper. The structure consists of two‐stage power cells. To satisfy the… read more here.
Keywords: power; fully integrated; hbt; hbt power ... See more keywords
MU-MIMO enabled uplink OFDMA MAC protocol in dense IEEE 802.11ax WLANs
Sign Up to like & getrecommendations! Published in 2020 at "ICT Express"
DOI: 10.1016/j.icte.2020.04.007
Abstract: Abstract 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. Nevertheless, as the number of STAs increases, frequent… read more here.
Keywords: ieee 802; ofdma; protocol; mimo enabled ... See more keywords
Symbol Timing Synchronization for Uplink Multi-User Transmission in IEEE 802.11ax WLAN
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Access"
DOI: 10.1109/access.2018.2881980
Abstract: 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… read more here.
Keywords: ieee 802; symbol timing; 802 11ax; synchronization ... See more keywords
Category-Based 802.11ax Target Wake Time Solution
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3096940
Abstract: IEEE 802.11ax newly introduced Target Wake Time (TWT) function which enables joint reduction of device power consumption and wireless medium congestion through negotiated TWT wake interval and duration. We develop a novel solution which can… read more here.
Keywords: time; service; 802 11ax; wake ... See more keywords
An Energy-Efficient Channel Access With Target Wake Time Scheduling for Overlapping 802.11ax Basic Service Sets
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2022.3163339
Abstract: Higher requirements in wireless Internet access have led to a dense deployment of Wi-Fi networks, which results in severe collisions and deteriorated throughput. In this article, we propose a grouping-based medium access control protocol with… read more here.
Keywords: 802 11ax; target wake; wake time; service sets ... See more keywords
Joint Optimization on Uplink OFDMA and MU-MIMO for IEEE 802.11ax: Deep Hierarchical Reinforcement Learning Approach
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2024.3402959
Abstract: This letter tackles a joint user scheduling, frequency resource allocation (USRA), multi-input-multi-output mode selection (MIMO MS) between single-user MIMO and multi-user (MU) MIMO, and MU-MIMO user selection problem, integrating uplink orthogonal frequency division multiple access… read more here.
Keywords: problem; mimo; ieee 802; 802 11ax ... See more keywords
IEEE 802.11ax: Challenges and Requirements for Future High Efficiency WiFi
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Wireless Communications"
DOI: 10.1109/mwc.2016.1600089wc
Abstract: The popularity of IEEE 802.11 based wireless local area networks (WLANs) has increased significantly in recent years because of their ability to provide increased mobility, flexibility, and ease of use, with reduced cost of installation… read more here.
Keywords: ieee 802; requirements future; 11ax challenges; challenges requirements ... See more keywords
Joint Access Point Placement and Power-Channel-Resource-Unit Assignment for IEEE 802.11ax-Based Dense WiFi Network With QoS Requirements
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Mobile Computing"
DOI: 10.1109/tmc.2021.3129596
Abstract: IEEE 802.11ax is the standard for the new generation WiFi networks. In this paper, we formulate the problem of joint access point (AP) placement and power-channel-resource unit assignment for 802.11ax-based dense WiFi. The objective is… read more here.
Keywords: 802 11ax; mml mml; mml; wifi ... See more keywords
Enabling Cross-Technology Communication From WiFi to LoRa With IEEE 802.11ax
Sign Up to like & getrecommendations! Published in 2024 at "IEEE/ACM Transactions on Networking"
DOI: 10.1109/tnet.2023.3333355
Abstract: Recent work proposes Cross-Technology Communication (CTC) from IEEE 802.11b to LoRa but has a low efficiency due to the extremely asymmetric data rates. In this paper, we propose WiRa that emulates LoRa waveform with IEEE… read more here.
Keywords: technology communication; ieee 802; 802 11ax; cross technology ... See more keywords
Motion-Aware Optimizations for Downlink MU-MIMO in 802.11ax Networks
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Network and Service Management"
DOI: 10.1109/tnsm.2021.3117596
Abstract: Multi-User Multiple-Input and Multiple-Output (MU-MIMO) is a technique that allows concurrent transmissions between one access point (AP) and multiple clients to improve spectral efficiency. In practice, however, the MU-MIMO is sensitive to client mobility and… read more here.
Keywords: 802 11ax; motion aware; performance; client ... See more keywords
Multi-Agent Reinforcement Learning Based Uplink OFDMA for IEEE 802.11ax Networks
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Wireless Communications"
DOI: 10.1109/twc.2024.3355276
Abstract: In the IEEE 802.11ax Wireless Local Area Networks (WLANs), Orthogonal Frequency Division Multiple Access (OFDMA) has been applied to enable the high-throughput WLAN amendment. However, with the growth of the number of devices, it is… read more here.
Keywords: multi agent; ieee 802; agent reinforcement; access ... See more keywords