Performance and simulation analysis of 802.11ax OFDMA in contention-driven scenarios [PDF]
PeerJ Computer ScienceThe 802.11ax standard introduces Orthogonal Frequency Division Multiple Access (OFDMA), shifting the role of access points (APs) in Wi-Fi networks. This shift integrates intricate scheduling logic, assigning coordinator roles to APs for multi-user uplink
Memoona, Sung Won 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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Energy Harvesting for Secure OFDMA Systems [PDF]
2014 Sixth International Conference on Wireless Communications and Signal Processing (WCSP), 2014 Energy harvesting and physical-layer security in wireless networks are of great significance. In this paper, we study the simultaneous wireless information and power transfer (SWIPT) in downlink orthogonal frequency-division multiple access (OFDMA ...
Feng, Suili, Liu, Yuan, Zhang, Meng
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Subcarrier Filtering For Spectrally Efficient Multicarrier Modulation Schemes and Its Impact on PAPR: A Unified Approach [PDF]
International Journal of Electronics and Telecommunications, 2023 Multicarrier modulation (MCM) based schemes have been a major contributing factor in revolutionizing cellular networks due to their ability to overcome fading.
Kiran V. Shanbhag, Dayakshini Sathish
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Next Generation Dynamic Inter-Cellular Scheduler [PDF]
International Journal of Electronics and Telecommunications, 2019 Orthogonal frequency division multiple access (OFDMA) in Long Term Evolution (LTE) can effectively eliminate intra-cell interferences between the subcarriers in a single serving cell.
Mert Yağcıoğlu, Oğuz Bayat
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On Joint Sub-channel Allocation, Duplexing Mode Selection, and Power Control in Full-Duplex Co-Channel Femtocell Networks [PDF]
AUT Journal of Electrical Engineering, 2018 As one of the promising approaches to increase the network capacity, Full-duplex (FD) communications have recently gained a remarkable attention. FD communication enables wireless nodes to simultaneously send and receive data through the same frequency ...
M. Rasti, Sh. Kazemi Taskou
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Spatial Clustering Group Based OFDMA Access Protocol for the Next Generation WLAN [PDF]
Xibei Gongye Daxue Xuebao, 2018 The next generation wireless local area network (WLAN) needs to significantly improve the area throughput in high dense scenario. Orthogonal Frequency Division Multiple Access (OFDMA), considered as the key technology of next generation WLAN, has been ...
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Konsep Transmisi Tidak Koheren menggunakan Differential Unitary Modulation pada OFDMA
Jurnal Elkomika, 2021 ABSTRAK Differential modulation adalah sebuah teknik modulasi yang memungkinkan pengiriman informasi tanpa diperlukannya estimasi kondisi kanal di sisi penerima.
DHONI PUTRA SETIAWAN +2 more
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Performance analysis of wireless compressed-image transmission over DST-based OFDMA systems
EURASIP Journal on Wireless Communications and Networking, 2023 Multimedia data, like images, consumes significant bandwidth when transmitted over wireless systems. Therefore, compressing transmitted images becomes crucial to reduce the required bandwidth and improve energy efficiency.
Nagi H. Al-Ashwal +3 more
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Xibei Gongye Daxue Xuebao, 2021 Aiming at the problems of low efficiency of buffer information collection and sharp drop of system throughput caused by the aggravation of conflicts in the multi basic service set (BSS) high density deployment overlap coverage scenario of next generation
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