Search Results - "Channel estimation"

AI-driven multi-antenna designs for next generations of wireless communication systems

Authors: Raja Kumar, Dheeraj

Contributors: University/Department: Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions

Thesis Advisors: Antón Haro, Carles, Mestre Pons, Francesc X., Rey Micolau, Francesc

Source: TDX (Tesis Doctorals en Xarxa)

Subject Terms: Graph Neural Network, RSMA, Deep Learning, Channel Estimation, Precoding, Symbol Detection, Non-linearity, Àrees temàtiques de la UPC::Enginyeria de la telecomunicació, Àrees temàtiques de la UPC::Informàtica, 621.3 - Enginyeria elèctrica. Electrotècnia. Telecomunicacions, 004 - Informàtica

File Description: application/pdf

Access URL: http://hdl.handle.net/10803/695436
https://dx.doi.org/10.5821/dissertation-2117-443328

Steerable Subarrays for Practical mmWave Massive MIMO: Algorithm Design and System-Level Analysis

Authors: Kanters, Noud B. Alayón Glazunov, Andrés

Source: IEEE OPEN JOURNAL OF VEHICULAR TECHNOLOGY. 6:2224-2235

Subject Terms: Array signal processing, Antenna arrays, Computer architecture, Channel estimation, Millimeter wave communication, Signal to noise ratio, Vectors, Radio frequency, Phase shifters, Spectral efficiency, multi-user MIMO, partially-connected hybrid beamforming

File Description: electronic

Access URL: https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-217544
https://doi.org/10.1109/OJVT.2025.3597730

Geographical Fairness in Multi-RIS-Assisted Networks in Smart Cities: A Robust Design

Authors: Zivuku, Progress Adam, Abuzar B. M. Ntontin, Konstantinos et al.

Source: IEEE Transactions on Communications. 73(8):6622-6638

Subject Terms: Smart cities, Quality of service, Wireless networks, Reconfigurable intelligent surfaces, Energy efficiency, Resource management, Optimization, Channel estimation, Minimax techniques, Signal to noise ratio, Resource allocation, User association, Precoding, Geographical fairness, Successive convex approximation, Robust optimization, S-procedure

File Description: print

Access URL: https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-364732
https://doi.org/10.1109/TCOMM.2025.3525568

Delay-Constrained Grant-Free Random Access in MIMO Systems: Distributed Pilot Allocation and Power Control

Authors: Bai, Jianan Chen, Zheng Larsson, Erik G

Source: IEEE Transactions on Cognitive Communications and Networking. 11(3):1535-1550

Subject Terms: Power control, Delays, Training, Uplink, Resource management, Linear programming, Vectors, Throughput, Cross layer design, Channel estimation, Grant-free random access, delay constraint, MIMO, fairness, and distributed control

File Description: electronic

Access URL: https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-215382
https://liu.diva-portal.org/smash/get/diva2:1975827/FULLTEXT01.pdf

Implementation of least squares channel estimation on OFDM for video transmission using GNU radio-USRP.

Authors: Lisallah Astawa, I. Gede Puja Nadziroh, Faridatun et al.

Source: AIP Conference Proceedings. 2025, Vol. 3334 Issue 1, p1-9. 9p.

Subject Terms: *ORTHOGONAL frequency division multiplexing, *CHANNEL estimation, *RADIO interference, *SOFTWARE radio, *BIT error rate, *VIDEO signals, *LEAST squares

Joint channel estimation and feedback with masked token transformers in massive MIMO systems.

Authors: Yin, Mei Zhao, Mingming Liu, Lin et al.

Source: Scientific Reports. 11/24/2025, Vol. 15 Issue 1, p1-14. 14p.

Subject Terms: *CHANNEL estimation, *MIMO systems, *FEATURE extraction, *ARTIFICIAL neural networks, *AUTOENCODERS, *PERIODICAL articles, *MULTILAYER perceptrons

Revolutionizing Channel Estimation and Beamforming in Multi-Carrier mm-Wave MIMO through Large-Kernel Attention Graph Convolutional Networks.

Authors: Devnikar, Rohini Hendre, Vaibhav Deotale, Nitin T.

Source: IETE Journal of Research. Nov2025, p1-9. 9p. 7 Illustrations.

Subject Terms: *CHANNEL estimation, *BEAMFORMING, *ARRAY processing, *BROADBAND communication systems, *COMPRESSED sensing, *MILLIMETER waves, *GRAPH neural networks

Advanced Correlation‐Based Techniques for CFO and Channel Estimation in Multiuser OFDMA Systems With RIS Deployment.

Authors: Lin, Tsui‐Tsai Hwang, Fuh‐Hsin

Source: International Journal of Communication Systems. 11/10/2025, Vol. 38 Issue 16, p1-11. 11p.

Subject Terms: *ORTHOGONAL frequency division multiplexing, *CHANNEL estimation, *CO-channel interference, *SIGNAL frequency estimation, *COMPUTER simulation, *MEAN square algorithms

Adaptive Channel Estimation for Semi-Passive IRS with Optimized Sensor Deployment.

Authors: Han, Zhiyu Wang, Hanning Wang, Yafeng et al.

Source: Sensors (14248220). Nov2025, Vol. 25 Issue 21, p6797. 12p.

Subject Terms: *CHANNEL estimation, *COMPRESSED sensing, *PARTICLE swarm optimization, *SENSOR placement

Activity Detection and Channel Estimation Based on Correlated Hybrid Message Passing for Grant-Free Massive Random Access.

Authors: Liu, Xiaofeng Gong, Xinrui Fu, Xiao

Source: Entropy. Nov2025, Vol. 27 Issue 11, p1111. 36p.

Subject Terms: *CHANNEL estimation, *6G networks, *SIGNAL processing, *GAUSSIAN distribution, *MESSAGE passing (Computer science), *MARKOV processes, *MACHINE-to-machine communications

Robust OTFS Detection via MMSE-DFE Equalization for ISAC in Doubly Dispersive Channels.

Authors: Ramadan, Khaled Aqeel, Ibrahim Hassan, Emad S.

Source: Mathematics (2227-7390). Nov2025, Vol. 13 Issue 21, p3545. 29p.

Subject Terms: *ORTHOGONAL frequency division multiplexing, *CHANNEL estimation, *MULTIPATH channels, *BIT error rate, *SIGNAL-to-noise ratio, *DECISION feedback equalizers, *TELECOMMUNICATION systems

Admm-based learnable channel estimation for RIS-aided mmWave massive MIMO systems.

Authors: Wu, Ying Liu, Ziyan Cheng, Shitong et al.

Source: Cluster Computing. 2025, Vol. 28 Issue 11, p1-9. 9p.

Subject Terms: *CHANNEL estimation, *6G networks, *TELECOMMUNICATION, *COMPRESSED sensing, *MIMO systems, *MILLIMETER waves

Adaptive machine learning-enhanced channel estimation for RIS-assisted mmWave systems: a hybrid approach.

Authors: Albataineh, Zaid Hayajneh, Khaled Shakhatreh, Hazim et al.

Source: Cluster Computing. Oct2025, Vol. 28 Issue 10, p1-16. 16p.

Subject Terms: *CHANNEL estimation, *MACHINE learning, *DEEP learning, *TELECOMMUNICATION systems, *CONVOLUTIONAL neural networks, *COMPRESSED sensing, *SIGNAL processing, *MILLIMETER wave communication systems

TranSIC-Net: An End-to-End Transformer Network for OFDM Symbol Demodulation with Validation on DroneID Signals.

Authors: Wang, Zhihong Xu, Zi-Xin

Source: Sensors (14248220). Oct2025, Vol. 25 Issue 20, p6488. 13p.

Subject Terms: *ORTHOGONAL frequency division multiplexing, *CHANNEL estimation, *DEEP learning, *TRANSFORMER models, *WIRELESS communications, *SIGNAL detection

Channel Estimation in UAV-Assisted OFDM Systems by Leveraging LoS and Echo Sensing with Carrier Aggregation.

Authors: Chen, Zhuolei Wu, Wenbin Wang, Renshu et al.

Source: Sensors (14248220). Oct2025, Vol. 25 Issue 20, p6392. 28p.

Subject Terms: *CHANNEL estimation, *WIRELESS communications, *MULTI-carrier modulation, *DRONE aircraft, *TELECOMMUNICATION channels, *SOUND reverberation, *ORTHOGONAL frequency division multiplexing

Gradient descent based polarization channel estimation in extremely largescale MIMO systems.

Authors: Wang, Hongmei Liu, Shuo Song, Jinling et al.

Source: Wireless Networks (10220038). Oct2025, Vol. 31 Issue 7, p4625-4636. 12p.

Subject Terms: *MIMO systems, *CHANNEL estimation, *COMPUTER simulation, *6G networks, *OPTIMIZATION algorithms, *ELECTROMAGNETIC wave propagation

JCESR-Net: a joint channel estimation and signal recovery network for underwater optical communication with ADO-OFDM.

Authors: Priyalakshmi, B.¹ (AUTHOR) priyalab@srmist.edu.in

Source: Wireless Networks (10220038). Oct2025, Vol. 31 Issue 7, p4541-4561. 21p.

Subject Terms: *CHANNEL estimation, *DEEP learning, *MARINE communication, *OPTICAL communications, *SIGNAL reconstruction, *ENVIRONMENTAL monitoring, *DATA transmission systems, *SIGNAL detection

Radio Frequency Fingerprint-Identification Learning Method Based-On LMMSE Channel Estimation for Internet of Vehicles.

Authors: Sheng, Lina Xu, Yao Li, Yan et al.

Source: Mathematics (2227-7390). Oct2025, Vol. 13 Issue 19, p3124. 19p.

Subject Terms: *SIGNAL-to-noise ratio, *CHANNEL estimation, *MOBILE communication systems, *SIGNAL processing, *WIRELESS communications security, *ARTIFICIAL neural networks, *SIGNAL integrity (Electronics)

Improved channel quality indicator estimation using extended Kalman filter in LTE networks under diverse mobility models.

Authors: Ezea, Hilary U. Ahaneku, Mamilus A. Chijindu, Vincent C. et al.

Source: Telkomnika. Oct2025, Vol. 23 Issue 5, p1166-1176. 11p.

Subject Terms: *LONG-Term Evolution (Telecommunications), *CHANNEL estimation, *RESOURCE allocation, *KALMAN filtering, *MOBILITY (Structural dynamics), *SIGNAL-to-noise ratio

A Convolutional-Transformer Residual Network for Channel Estimation in Intelligent Reflective Surface Aided MIMO Systems.

Authors: Wu, Qingying Bao, Junqi Xu, Hui et al.

Source: Sensors (14248220). Oct2025, Vol. 25 Issue 19, p5959. 19p.

Subject Terms: *MIMO systems, *CHANNEL estimation, *ARTIFICIAL neural networks, *REFLECTIVE materials, *BANDWIDTHS, *DEEP learning