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Advanced Search Results For "BEAMFORMING"

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Joint Secure Communication and Radar Beamforming: A Secrecy-Estimation Rate-Based Design.

Publication Type: Academic Journal

Source(s): Wireless Communications & Mobile Computing. 12/6/2022, Vol. 2022, p1-17. 17p.

Abstract: This paper considers transmit beamforming in dual-function radar-communication (DFRC) system, where a DFRC transmitter simultaneously communicates with a communication user and detects a malicious target with the same waveform. Since the waveform is em...

Robust Adaptive Beamforming via Modified Variable Loading with Subsampling Preprocessing.

Publication Type: Academic Journal

Source(s): International Journal of Antennas & Propagation. 10/7/2022, Vol. 2022, p1-9. 9p.

Abstract: For robust adaptive beamforming (RAB), the variable loading (VL) technique can provide a better trade-off between robustness and adaptivity than diagonal loading (DL). Despite its importance, few research efforts have explored the loading factor for VL...

Optimal Beamforming for Secure Transmit in Practical Wireless Networks.

Publication Type: Academic Journal

Source(s): Computers, Materials & Continua. 2022, Vol. 73 Issue 1, p1863-1877. 15p.

Abstract: In real communication systems, secure and low-energy transmit scheme is very important. So far, most of schemes focus on secure transmit in special scenarios. In this paper, our goal is to propose a secure protocol in wireless networks involved various...

A Method to Improve the Performance of Arrays for Aperture-Level Simultaneous Transmit and Receive.

Publication Type: Academic Journal

Source(s): International Journal of Antennas & Propagation. 7/18/2022, p1-10. 10p.

Abstract: The simultaneous transmit and receive (STAR) system needs to establish sufficiently high isolation between the transmitter and the receiver in order to play its role. However, due to the nonlinear characteristics and the accompanying noise of the activ...

Robust Transmit Beamforming Algorithm for Low-Altitude Slow-Speed Small Target Detection.

Publication Type: Academic Journal

Source(s): Computational Intelligence & Neuroscience. 6/8/2022, p1-8. 8p.

Abstract: Strong ground clutter echoes make it difficult to detect low-altitude slow-speed small (LSS) targets. To suppress ground clutter effectively in LSS target detection, a robust transmit beamforming algorithm has been proposed in this paper. Sidelobes in ...

A Stacked Autoencoder and Multilayer Perceptrons for mmWave Beamforming Prediction.

Publication Type: Academic Journal

Source(s): Ingénierie des Systèmes d'Information. Jun2022, Vol. 27 Issue 3, p479-485. 7p.

Abstract: The millimeter-wave frequencies planned for 6G systems present challenges for channel modeling. At these frequencies, surface roughness affects wave propagation and causes severe attenuation of millimeter-wave (mmWave) signals. In general, beamforming ...

Joint Beamforming Design for Intelligent Reflecting Surface Aided Terahertz Wireless Network.

Publication Type: Academic Journal

Source(s): Mathematical Problems in Engineering. 5/13/2022, p1-8. 8p.

Abstract: This paper investigates the transmission design in a multiple-input single-output (MISO) Terahertz network assisted by an intelligent reflecting surface (IRS). Specifically, we consider the sum-rate maximization design by jointly optimizing the active ...

An adaptive beamforming algorithm for sound source localisation via hybrid compressive sensing reconstruction.

Publication Type: Academic Journal

Source(s): Journal of Vibroengineering. May2022, Vol. 24 Issue 3, p591-603. 13p.

Abstract: In this study, a hybrid compressive sensing reconstruction algorithm called SAMP-CoSaMP is proposed. The unique combination maintains the speed advantage of CoSaMP and the adaptive sparsity searching ability from the SAMP. Afterwards, an improved beamf...

Beamforming based algorithm for 5G applications.

Publication Type: Academic Journal

Source(s): Telecommunication Systems. Jan2023, Vol. 82 Issue 1, p161-174. 14p.

Abstract: 5G applications such as the Internet of Things, high-resolution video streaming, robotic cars, smart cities, and telehealth care have a universal presence nowadays. These applications mandate higher data rates, large bandwidth, increased capacity, low ...

Robust adaptive null broadening beamforming based on subspace projection.

Publication Type: Academic Journal

Source(s): International Journal of Electronics. Jan2023, Vol. 110 Issue 1, p184-198. 15p.

Abstract: When the rapid moving interference exists, especially in the presence of look direction mismatch, coherent local scattering and so on, the output performance of beamformer will degrade dramatically. To solve this problem, a novel robust adaptive null b...