English
Related papers

Related papers: Scalable Multiport Antenna Array Characterization …

200 papers

A parasitic reconfigurable antenna array is a low-power approach for beamforming using passive tunable elements. Prior work on reconfigurable antennas in communication theory is based on ideal radiation pattern abstractions. It does not…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Nitish Vikas Deshpande , Miguel Rodrigo Castellanos , Saeed R. Khosravirad , Jinfeng Du , Harish Viswanathan , Robert W. Heath

In this letter, a dual port antenna with polarization adjustability is proposed. The loading effect of four ring slots stimulates a hybrid mode in the antenna that generates eight magnetic monopoles with high gain in boresight. Due to…

Signal Processing · Electrical Eng. & Systems 2019-11-04 Peyman Aghabeyki , Masoud Hamidi , Gholamreza Moradi , Pedram Mousavi

A programmable linear resistor with a compact footprint would have profound implications for microelectronics, enabling efficient in-sensor analog signal processing and in-memory computing. Non-volatile memory offers a potential solution…

Wireless multi-port sensing remotely retrieves the scattering matrix of a multi-port device under test (DUT) connected to a set of not-directly-accessible (NDA) antennas that couple over-the-air (OTA) to a set of accessible antennas. If (i)…

Signal Processing · Electrical Eng. & Systems 2025-09-30 Philipp del Hougne

This paper surveys recent advances in the area of very large MIMO systems. With very large MIMO, we think of systems that use antenna arrays with an order of magnitude more elements than in systems being built today, say a hundred antennas…

Information Theory · Computer Science 2015-06-03 Fredrik Rusek , Daniel Persson , Buon Kiong Lau , Erik G. Larsson , Thomas L. Marzetta , Ove Edfors , Fredrik Tufvesson

Backscatter radio is a promising technology for low-cost and low-power Internet-of-Things (IoT) networks. The conventional monostatic backscatter radio is constrained by its limited communication range, which restricts its utility in…

Systems and Control · Electrical Eng. & Systems 2025-09-17 Kartik Patel , Junbo Zhang , John Kimionis , Lefteris Kampianakis , Michael S. Eggleston , Jinfeng Du

Neutral atoms are among the leading platforms toward realizing fault-tolerant quantum computation (FTQC). However, scaling up a single neutral-atom device beyond $\sim 10^4$ atoms to meet the demands of FTQC for practical applications…

Quantum Physics · Physics 2025-02-18 Shinichi Sunami , Shiro Tamiya , Ryotaro Inoue , Hayata Yamasaki , Akihisa Goban

To overcome the limited payload of lightweight vehicles such as unmanned aerial vehicle (UAV) and the aerodynamic constraints on the onboard radar, a compact nonuniform conformal array is proposed in order to achieve a wide beamscanning…

Signal Processing · Electrical Eng. & Systems 2023-12-18 Yuanyan Su , Icaro V. Soares , Siegfred Daquioag Balon , Jun Cao , Denys Nikolayev , Anja K. Skrivervik

We describe and analyze a hybrid approach to scalable quantum computation based on an optically connected network of few-qubit quantum registers. We show that probabilistically connected five-qubit quantum registers suffice for…

Quantum Physics · Physics 2013-02-26 L. Jiang , J. M. Taylor , A. S. Sørensen , M. D. Lukin

This paper presents the design and implementation of a compact, cost-effective phased array antenna system. It is capable of real-time beam-steering for dynamic target-tracking applications. The system employs a 4$\times$4 rectangular…

Systems and Control · Electrical Eng. & Systems 2025-08-29 Adham Saad , Aya Sherif Nassef , Mahmoud Mohamed Elshahed , Mohamed Ismail Ahmed

We propose the use of 2-dimensional Penning trap arrays as a scalable platform for quantum simulation and quantum computing with trapped atomic ions. This approach involves placing arrays of micro-structured electrodes defining static…

Quantum Physics · Physics 2020-08-07 Shreyans Jain , Joseba Alonso , Matt Grau , Jonathan P. Home

Since S-parameter measurements without uncertainty cannot claim any credibility, the uncertainties in full two-port Vector Network Analyser (VNA) measurements were estimated using total complex differentials (Total Differential Errors). To…

Classical Physics · Physics 2015-06-03 N. I. Yannopoulou , P. E. Zimourtopoulos

We review recent experimental progress towards quantum information processing and quantum simulation using neutral atoms in two-dimensional (2D) arrays of optical microtraps as 2D registers of qubits. We describe a scalable quantum…

Quantum Physics · Physics 2011-11-03 Malte Schlosser , Sascha Tichelmann , Jens Kruse , Gerhard Birkl

Next-generation (5G/6G) wireless systems demand low-power mm-wave phased-array ICs. Variable-gain LNAs (VGLNAs) are key building blocks enabling hardware complexity reduction, performance enhancement and functionality extension. This paper…

Signal Processing · Electrical Eng. & Systems 2024-09-13 Domenico Zito , Michele Spasaro

Along with the rapid development of real-world applications, higher requirements on the accuracy and efficiency of image super-resolution (SR) are brought forward. Though existing methods have achieved remarkable success, the majority of…

Image and Video Processing · Electrical Eng. & Systems 2021-09-28 Zongcai Du , Jie Liu , Jie Tang , Gangshan Wu

The Minimum Variance Distortionless Response (MVDR) beamforming technique is widely applied in array systems to mitigate interference. However, applying MVDR to large arrays is computationally challenging; its computational complexity…

Signal Processing · Electrical Eng. & Systems 2025-10-17 Sanjaya Herath , Armin Gerami , Kevin Wagner , Ramani Duraiswami , Christopher A. Metzler

Reconfigurable quantum circuits are fundamental building blocks for the implementation of scalable quantum technologies. Their implementation has been pursued in linear optics through the engineering of sophisticated interferometers. While…

Future wireless networks, deploying thousands of antenna elements, may operate in the radiative near-field (NF), enabling spatial multiplexing across both angle and range domains. Sparse arrays have the potential to achieve comparable…

Signal Processing · Electrical Eng. & Systems 2026-05-22 Ahmed Hussain , Asmaa Abdallah , Abdulkadir Celik , Emil Björnson , Ahmed M. Eltawil

This topology can achieve a high step-up gain by utilizing a switched capacitor and switched inductor-based VMC network arrangement.Furthermore, the proposed topology can achieve an output gain of approximately three times at a nominal duty…

Systems and Control · Electrical Eng. & Systems 2025-06-19 V. Rajeswari , Nalin Kant Mohanty

Channel state information (CSI) at transmitter is crucial for massive MIMO downlink systems to achieve high spectrum and energy efficiency. Existing works have provided deep learning architectures for CSI feedback and recovery at the…

Signal Processing · Electrical Eng. & Systems 2022-04-21 Yu-Chien Lin , Ta-Sung Lee , Zhi Ding