Results 61 to 70 of about 2,958,782 (230)
Analog Current-Mode 8-Point Approximate-DFT Multi-Beamformer With 4.7 Gbps Channel Capacity
IEEE Access, 2023 This paper describes a current-mode on-chip analog architecture suitable for multi-beamforming of IF band signals from small- to moderate-sized antenna arrays.
Haixiang Zhao +3 more
doaj +1 more source
Context Information Based Initial Cell Search for Millimeter Wave 5G Cellular Networks
, 2016 Millimeter wave (mmWave) communication is envisioned as a cornerstone to fulfill the data rate requirements for fifth generation (5G) cellular networks.
Abbas, Waqas Bin, Zorzi, Michele
core +1 more source
Digital beamform simulation in anechoic chamber [PDF]
ITM Web of Conferences, 2019 The results of digital beamform simulation, principles of processing and use of the obtained experimental data are presented. Methods were developed and an experimental setup was created for full- scale modeling and measurement of the characteristics of digital antenna systems with spatio-temporal signal processing at the Scientific and Production ...
Dobychina Elena, Snastin Mikhail
openaire +2 more sources
A Direct-Conversion Digital Beamforming Array Receiver with 800 MHz Channel Bandwidth at 28 GHz using Xilinx RF SoC [PDF]
IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems, 2019 This paper discusses early results associated with a fully-digital direct-conversion array receiver at 28 GHz. The proposed receiver makes use of commercial off-the-shelf (COTS) electronics, including the receiver chain.
S. Pulipati +7 more
semanticscholar +1 more source
XOR‐Logic Phase Coding Programmable Metasurface for Low Power‐Consumption Systems
Advanced Science, EarlyView.By leveraging XOR logic, the biasing‐network complexity of 2D programmable metasurfaces is reduced from m×n to m+n through efficient row‐column control. This enables versatile functions including beam deflection and beamforming, facilitating applications in wireless communications and beyond.
Ruichao Zhu +10 more
wiley +1 more source
Remote SensingGlobal navigation satellite system (GNSS) array antenna receivers are widely used to suppress wideband interference in navigation countermeasures. However, existing array antenna receivers all adopt a digital array structure and digital beamforming ...
Zhenxing Xu +9 more
doaj +1 more source
The Journal of Engineering, 2019 Here, the authors propose a novel robust adaptive beamforming method, which is robust to both of the covariance matrix mismatch and the steering vector estimation mismatch.
Lei Yu +3 more
doaj +1 more source
Single-Carrier Modulation versus OFDM for Millimeter-Wave Wireless MIMO
, 2017 This paper presents results on the achievable spectral efficiency and on the energy efficiency for a wireless multiple-input-multiple-output (MIMO) link operating at millimeter wave frequencies (mmWave) in a typical 5G scenario.
Buzzi, Stefano +4 more
core +1 more source
A General and Efficient Framework for the Rapid Design of Miniaturized, Wideband, and High‐Bit RIS
Advanced Electronic Materials, EarlyView.A general and efficient framework is proposed for the rapid design of high‐performance reconfigurable intelligent surfaces (RISs). This framework integrates advanced antenna design techniques and incorporates various load types, quantities, and values to achieve the design of high‐performance RISs.
Jun Wei Zhang +14 more
wiley +1 more source
Spectral Efficiency of mmWave Massive MIMO Systems with Hybrid Beamforming
Wasit Journal of Engineering SciencesMillimeter wave communications (mmWave) has been considered a key enabling technique for 5G systems since it offers orders of magnitude more spectrum than current frequency bands.
Sajjad Kadhim +5 more
doaj +1 more source