English
Related papers

Related papers: A Digital-Receiver for the Murchison Widefield Arr…

200 papers

Here we briefly present some design approaches for a multifrequency 96-antenna radioheliograph. The array antenna configuration, transmission lines and digital receivers are the main focus of this work. The radioheliograph is a T-shaped…

Instrumentation and Methods for Astrophysics · Physics 2015-06-19 S. V. Lesovoi , A. T. Altyntsev , E. F. Ivanov , A. V. Gubin

Deep imaging of structures from the Cosmic Dawn (CD) and the Epoch of Reionization (EoR) in five targeted fields is one of the highest priority scientific objectives for the Square Kilometre Array (SKA). Selecting 'quiet' fields, which…

Instrumentation and Methods for Astrophysics · Physics 2025-07-14 Xueying Zhang , Qian Zheng , Linhui Wu , Quan Guo , Stefan W. Duchesne , Mengfan He , Huanyuan Shan , Xiang-ping Wu , Melanie Johnston-Hollitt , Feiyu Zhao , Qingyuan Ma

Millimeter wave (mmWave) systems will likely employ large antenna arrays at both the transmitters and receivers. A natural application of antenna arrays is simultaneous transmission to multiple users, which requires multi-user precoding at…

Information Theory · Computer Science 2016-11-17 Ahmed Alkhateeb , Robert W. Heath , Geert Leus

We demonstrate a real-time implementation of multi-target detection and tracking using 5G New Radio (NR) physical downlink shared channel (PDSCH) waveform with 400 MHz bandwidth at 28 GHz carrier frequency. The hardware platform is built on…

Signal Processing · Electrical Eng. & Systems 2025-12-30 Xinyang Li , Hian Zing Voon , Vlad C. Andrei , Alexander Sessler , Nunzio Sciammetta , Ullrich J. Mönich , Dominic A. Schupke , Holger Boche

Around 10% of bright low-frequency radio sources observed with the Murchison Widefield Array (MWA) show strong Interplanetary Scintillation (IPS) on timescales of a few seconds, implying that almost all their low-frequency radio emission…

Astrophysics of Galaxies · Physics 2018-11-28 Elaine M. Sadler , Rajan Chhetri , John Morgan , Elizabeth K. Mahony , Thomas H. Jarrett , Steven Tingay

This work presents a 340-GHz frequency-modulated continuous-wave (FMCW) pulse-Doppler radar. The radar system is based on a transceiver module with about one milli-Watt output power and more than 30-GHz bandwidth. The front-end optics…

Instrumentation and Detectors · Physics 2023-03-31 Tomas Bryllert , Marlene Bonmann , Jan Stake

Full-duplex (FD) communication is a promising candidate to address the data rate limitations in underwater acoustic (UWA) channels. Because of transmission at the same time and on the same frequency band, the signal from the local…

Signal Processing · Electrical Eng. & Systems 2021-03-15 Mohammad Towliat , Zheng Guo , Leonard J. Cimini , Xiang-Gen Xia , Aijun Song

The "Auger Muons and Infill for the Ground Array" (AMIGA) project provides direct muon counting capacity to the Pierre Auger Observatory and extends its energy detection range down to 0.3 EeV. It currently consists of 61 detector pairs (a…

Instrumentation and Methods for Astrophysics · Physics 2015-06-18 O. Wainberg , A. Almela , M. Platino , F. Sanchez , F. Suarez , A. Lucero , M. Videla , B. Wundheiler , D. Melo , M. Hampel , A. Etchegoyen

We investigate the correlation between the integrated low-frequency and infrared (IR) emissions of star-forming galaxies extracted from the {\sl Herschel} Reference Survey. By taking advantage of the GaLactic Extragalactic All-sky MWA…

Astrophysics of Galaxies · Physics 2022-04-05 Tsutomu T. Takeuchi , Shuntaro A. Yoshida , Luca Cortese , O. Ivy Wong , Barbara Catinella , Suchetha Cooray

Refraction and diffraction of incoming radio waves by the ionosphere induce time variability in the angular positions, peak amplitudes and shapes of radio sources, potentially complicating the automated cross-matching and identification of…

We present a search for prompt radio emission associated with the short-duration gamma-ray burst (GRB) 150424A using the Murchison Widefield Array (MWA) at frequencies from 80-133 MHz. Our observations span delays of 23 s-30 min after the…

High Energy Astrophysical Phenomena · Physics 2015-12-02 D. L. Kaplan , A. Rowlinson , K. W. Bannister , M. E. Bell , S. D. Croft , T. Murphy , S. J. Tingay , R. B. Wayth , A. Williams

We report on the design, deployment, and first results from a scintillation detector deployed at the Murchison Radio-astronomy Observatory (MRO). The detector is a prototype for a larger array -- the Square Kilometre Array Particle Array…

We present an approach to identifying wireless microwave tags using radio frequency (RF) fingerprinting and machine learning. The tags are designed for low cost and simplicity, consisting of only two antennas and a single nonlinear element…

Signal Processing · Electrical Eng. & Systems 2025-10-29 Cory Hilton , Mohammad Rashid , Faiz Sherman , Steven Bush , Jeffrey A. Nanzer

A prototype of digital frequency multiplexing electronics allowing the real time monitoring of kinetic inductance detector (KIDs) arrays for mm-wave astronomy has been developed. It requires only 2 coaxial cables for instrumenting a large…

Instrumentation and Methods for Astrophysics · Physics 2015-03-18 O. Bourrion , A. Bideaud , A. Benoit , A. Cruciani , J. F. Macias-Perez , A. Monfardini , M. Roesch , L. Swenson , C. Vescovi

Recent applications of the Full Duplex (FD) technology focus on enabling simultaneous control communication and data transmission to reduce the control information exchange overhead, which impacts end-to-end latency and spectral efficiency.…

Information Theory · Computer Science 2021-09-17 Md Atiqul Islam , George C. Alexandropoulos , Besma Smida

We present the design of a new $\mu$TCA-based waveform digitizer, which will be deployed in the Muon g-2 experiment at Fermilab and will allow our pileup identification requirement to be met. This digitizer features five independent…

Instrumentation and Detectors · Physics 2016-12-16 David A. Sweigart

This paper presents a novel micro-Doppler energy-based framework for robust multi-target vital signs monitoring using 77-GHz Frequency-Modulated Continuous-Wave (FMCW) radar. Unlike conventional phase-based methods that are susceptible to…

Signal Processing · Electrical Eng. & Systems 2025-10-23 Chenxing Tan , Yuguan Hou , Hao Wang , Zhonghao Yuan

We report the first astrophysical application of the technique of wide-field Interplanetary Scintillation (IPS) with the Murchison Widefield Array (MWA). This powerful technique allows us to identify and measure sub-arcsecond compact…

High Energy Astrophysical Phenomena · Physics 2018-01-10 R. Chhetri , J. Morgan , R. D. Ekers , J-P Macquart , E. M. Sadler , M. Giroletti , J. R. Callingham , S. J. Tingay

There has been an increasing interest in the millimeter wave (mmW) frequency regime in the design of next-generation wireless systems. The focus of this work is on understanding mmW channel properties that have an important bearing on the…

Information Theory · Computer Science 2018-02-14 Vasanthan Raghavan , Andrzej Partyka , Lida Akhoondzadehasl , Ali Tassoudji , Ozge Koymen , John Sanelli

Millimeter-wave (mmWave) radars are being increasingly integrated in commercial vehicles to support new Adaptive Driver Assisted Systems (ADAS) features that require accurate location and Doppler velocity estimates of objects, independent…

Signal Processing · Electrical Eng. & Systems 2023-01-24 Xiangyu Gao , Sumit Roy , Guanbin Xing , Sian Jin