Results 1 to 10 of about 3,156 (138)
Robust adaptive beamforming based on covariance matrix reconstruction with annular uncertainty set constraints. [PDF]
A robust adaptive beamforming method based on the interference covariance matrix reconstruction with annular uncertainty set constraints is proposed to address the issues of covariance matrix mismatch and steering vector mismatch caused by the distortion
Gaoxiang Xing +3 more
doaj +2 more sources
A closed-loop far-field wireless power transfer (WPT) system with adaptive waveform and beamforming using limited feedback is designed, prototyped, and experimented.
Shanpu Shen, Junghoon Kim, Bruno Clerckx
doaj +1 more source
A Hybrid Adaptive Beamforming Algorithm for SINR Enhancement in Massive MIMO Systems [PDF]
With the extreme density of devices and fast change of their directions in massive MIMO networks, a fast adaptive beamforming algorithm is required to provide high directivity and an enhanced signal-to-interference and noise ratio (SINR).
H. Manai +2 more
doaj
Coherent plane-wave compounding (CPWC) is widely used in medical ultrasound imaging, in which plane-waves tilted at multiple angles are used to reconstruct ultrasound images. CPWC helps to achieve a balance between frame rate and image quality.
Shuai Feng +4 more
doaj +1 more source
Fast Wideband Beamforming Using Convolutional Neural Network
With the wideband beamforming approaches, the synthetic aperture radar (SAR) could achieve high azimuth resolution and wide swath. However, the performance of conventional adaptive wideband time-domain beamforming is severely affected as the received ...
Xun Wu +4 more
doaj +1 more source
Design and analysis of Maxwell fisheye lens based beamformer
Antenna arrays and multi-antenna systems are essential in beyond 5G wireless networks for providing wireless connectivity, especially in the context of Internet-of-Everything.
Muhammad Ali Babar Abbasi +3 more
doaj +1 more source
ADAPTIVE BEAMFORMING TECHNIQUES FOR IMPROVED COMMUNICATION IN WSNS FOR 5G NETWORKS [PDF]
The following research focuses on adaptive beamforming techniques to improve communication efficiency in WSNs integrated into 5G networks. Beamforming offers a better Signal-to-Interference-plus-Noise Ratio (SINR), reduces energy consumption, and ...
Aseel Qasim +2 more
doaj +1 more source
Fast Adaptive Beamforming with Smart Antenna for Radio Frequency Repeater
We present a fast adaptive beamforming null algorithm with smart antenna for Radio Frequency Repeater (RFR). The smart antenna system is realized by a Direction Of Arrival (DOA) Estimator, whose output is used by an adaptive beamforming algorithm to ...
Wang Chaoqun, Wei Guohua, Wang Teng
doaj +1 more source
Ultrasound imaging is a largely used medical imaging system as it is safe, non-invasive, and capable of real-time imaging. In ultrasound imaging, different beamforming methods are used to obtain the image of the field of view.
Mayur Agarwal +2 more
doaj +1 more source
This paper presents an acoustic noise cancelling technique using an inverse kepstrum system as an innovations-based whitening application for an adaptive finite impulse response (FIR) filter in beamforming structure.
Jinsoo Jeong
doaj +1 more source

