Design of a Digital Array Signal Processing System with Full Array Element by Guoyao Xiao, Yinghui Quan, Zongzheng Sun, Bo Wen, Guisheng Liao

“…Through the implementation of the Multiple-Input Multiple-Output phased-array digital beamforming algorithm, the test conducted verifies that the system has superior signal processing performance of the broadband digital array.…”
Get full text

Distributed MIMO Radar Monopulse Angular Estimation by Jin Zhen, Xie Liang-gui, Wen Shu-liang

“…The linear zone of the S-curve, which is formed with the digital beamforming (DBF) method, is extremely narrow for monopulse angle measurements with distributed Multiple-Input and Multiple-Output (MIMO) radar. …”
Get full text

Hybrid Beamforming for Multi-User Millimeter-Wave Heterogeneous Networks by Zhannan Li, Tao Chen

“…The analog beamforming problem is formulated as a sparse signal recovery problem. An MMSE-based digital beamforming algorithm is proposed to minimize the sum MSE of the user-intended data streams so that the inter- and intra-tier interferences are mitigated iteratively. …”
Get full text

Prototype of Mobile Meter Waveband Radar with Improved Functionality by I. S. Sadovskiy, Y. Y. Bobkov, I. Y. Malevich

“…The achievement of these properties is possible due to the application of digital antenna arrays with digital solid-state Tx/Rx modules, modular construction of all radar subsystems, digital beamforming technology, adoptive algorithms of space-time, and statistical processing of received signals. …”
Get full text

A radar extended target angle estimation method based on effective phase clustering by Shuhao Zhang, Yunhua Luo, Zijian Wang, Hao Sun, Xiaoyi Wang

“…The effectiveness of the proposed method was validated by the measured data obtained from an airborne digital beamforming radar system.…”
Get full text

Antenna design using left-handed materials by Abd. Rahman, Tharek, Abdolee, Reza

“…In this project, from broad category of smart antenna techniques, the switch beam digital-beamforming technique in the downlink is deployed to improve the fidelity and performance of WiMax application. …”
Get full text

Reconfigurable Holographic Surface-Assisted Wireless Secrecy Communication System by Yiming Xu, Jinshuo Liu, Xiaoguang Wu, Tianwen Guo, Huadong Peng

“…We suggest a strategy for simultaneously optimizing the holographic beamforming at the RHS and the digital beamforming at the base station with the introduction of artificial noise (AN) to attain the highest secrecy rate. …”
Get full text

Machine-Learning-Based Framework for Coding Digital Receiving Array with Few RF Channels by Lei Xiao, Yubing Han, Zuxin Weng

“…ML-CDRA requires fewer RF channels than the traditional full-channel array, while maintaining a similar digital beamforming (DBF) performance. This provides a practical solution to the typical problems in the existing low-cost DBF systems, such as synchronization, moving target compensation, and being disabled at a low signal-to-noise ratio. …”
Get full text

ERROR ESTIMATION AND UNAMBIGUOUS RECONSTRUCTION FOR CHINESE FIRST DUAL-CHANNEL SPACEBORNE SAR IMAGING by T. Jin, T. Jin, X. Qiu, D. Hu, C. Ding

“…Particularly, we propose a digital beamforming (DBF) process composed of the subspace-based error estimation algorithm and the reconstruction algorithm before imaging. …”
Get full text

High-Resolution Wide-Swath Ambiguous Synthetic Aperture Radar Modes for Ship Monitoring by Nertjana Ustalli, Michelangelo Villano

“…This paper proposes two high-resolution, wide-swath synthetic aperture radar (SAR) acquisition modes for ship monitoring that tolerate ambiguities and do not require digital beamforming. Both modes, referred to as the low pulse repetition frequency (PRF) and the staggered (high PRF) ambiguous modes, make use of a wide elevation beam, which can be obtained by phase tapering. …”
Get full text

Joint Radio Frequency Interference and Deceptive Jamming Suppression Method for Single-Channel SAR via Subpulse Coding by Guoli Nie, Guisheng Liao, Cao Zeng, Xuepan Zhang, Dongchen Li

“…On the other hand, after the decoding process, by utilizing the subpulse digital beamforming (DBF) technology with the well-designed DBF weight vectors, DJs can also be suppressed greatly. …”
Get full text

Small Signal Anti-Jamming Scheme Based on a DMA Linear Array under Strong Jamming by Yuankai Wang, Liang Jin, Yangming Lou, Yinuo Hao

“…DMA realizes the effect of digital beamforming at the back end of the traditional communication system, has the advantages of traditional digital-spatial filtering, and further improves the receiver’s ability to receive and demodulate small signals.…”
Get full text

A Kalman Based Hybrid Precoding for Multi-User Millimeter Wave MIMO Systems by Anna Vizziello, Pietro Savazzi, Kaushik R. Chowdhury

“…Fully digital techniques are infeasible with large antenna arrays due to hardware constraints at such frequencies, while purely analog solutions suffer severe performance limitations. Hybrid analog/digital beamforming is a promising solution, especially, when extended to a multi-user scenario. …”
Get full text

Hardware Efficient Massive MIMO Systems with Optimal Antenna Selection by Shenko Chura Aredo, Yalemzewd Negash, Yihenew Wondie Marye, Hailu Belay Kassa, Kevin T. Kornegay, Feyisa Debo Diba

“…An increase in the number of transmit antennas (M) poses an equivalent rise in the number of Radio Frequency (RF) chains associated with each antenna element, particularly in digital beamforming. The chain exhibits a substantial amount of power consumption accordingly. …”
Get full text

Low Power Analog Processing for Ultra-High-Speed Receivers With RF Correlation by Jaswinder Lota, Andreas Demosthenous

“…Power analysis undertaken with current analog, hybrid and digital beamforming approaches requiring ADCs indicates considerable power savings. …”
Get full text

Multi-User Hybrid Beamforming Design for Physical Layer Secured mmWave LOS Communications by Jianguo Li, Neng Ye, Siqi Ma, Xiangyuan Bu, Jianping An

“…The base station first uses a secure analog beamforming scheme to generate analog beams in multiple desired directions, then uses minimum mean square error (MMSE) to design the digital beamforming matrix to eliminate inter-beam interference. …”
Get full text

Charging Mobile Devices in Indoor Environments by Diogo Matos, Ricardo A. M. Pereira, Helena Ribeiro, Bernardo Mendes, Daniel Belo, Arnaldo Oliveira, Nuno Borges Carvalho

“…The DC-RF electronics, digital beamforming and beam-steering by an FPGA, and radiating 4 × 4 microstrip patch phased array have been developed and experimented upon, while the lens has been designed and simulated. …”
Get full text

Advanced Hybrid Beamforming Technique in MU-MIMO Systems by Seong-Joon Shim, Seulgi Lee, Won-Seok Lee, Jae-Hyun Ro, Jung-In Baik, Hyoung-Kyu Song

“…To decrease the complexity of conventional digital beamforming system, the hybrid beamforming system was studied. …”
Get full text

Digital Phase Tightening for Millimeter-wave Imaging by Nguyen, Khoa M., Accardi, Anthony J., Kim, Helen H., Wornell, Gregory W., Sodini, Charles G.

“…A new technique called digital phase tightening reduces phase noise from receiver front-end circuits to allow precise phase estimation for digital beamforming in millimeter-wave (MMW) imaging applications. …”
Get full text
Get full text
Get full text

A novel wide area multiple azimuth beam ISAR imaging system by Yang, Taoli, Yang, Lei, Bi, Guoan, Wang, Yong

“…Two processing methods based on digital beamforming (DBF) are presented to separate the overlapped signals for achieving the wide area ISAR images. …”
Get full text
Get full text