Results 11 to 20 of about 88,416 (262)
LOW FREQUENCY DIGITAL RECEIVER [PDF]
Радиофизика и электроника, 2015 Application of digital devices removes many experimental obstacles, as the physical elements are replaced by their virtual computer analogs. A receiver is realized in an ordinary computer supplied by the ADC (analog-digital converter) board and by the ...
Y. P. Galyuk
doaj +2 more sources
A channelized digital ultrawideband receiver [PDF]
IEEE Transactions on Wireless Communications, 2003 A channelized digital ultrawideband (UWB) receiver that efficiently samples the UWB signal at a fraction of the chip frequency is proposed. The received signal is channelized in the frequency domain by employing a bank of mixers and low-pass filters.
exaly +2 more sources
A digital-receiver for the MurchisonWidefield Array [PDF]
Experimental Astronomy, 2015 An FPGA-based digital-receiver has been developed for a low-frequency imaging radio interferometer, the Murchison Widefield Array (MWA). The MWA, located at the Murchison Radio-astronomy Observatory (MRO) in Western Australia, consists of 128 dual-polarized aperture-array elements (tiles) operating between 80 and 300\,MHz, with a total processed ...
David Kaplan +2 more
exaly +7 more sources
Anatomy of a Digital Coherent Receiver
IEICE Transactions on Communications, 2014 Digital coherent receivers have gained significant attention in the last decade. The reason for this is that coherent detection, along with digital signal processing (DSP) allows for substantial increase of the channel capacity by employing advanced detection techniques.
Idelfonso Tafur Monroy +2 more
exaly +3 more sources
MULTIFUNCTIONAL DIGITAL RECEIVER-SPECTROMETER
Radio Physics and Radio Astronomy, 2014 A new two-channel digital receiver-spectrometer whose parameters and functional capabilities are optimized to provide its effective use in decameter telescopes, as well as in other systems where high precision and synchronization of measurements are ...
O. Y. Vasilyev +5 more
doaj +3 more sources
Power Scalable Angle of Arrival Estimation Using Pilot Design With Orthogonal Subsequences
IEEE Open Journal of the Communications Society, 2021 Energy efficient array processing is critical to implement feasible solutions for directional communication in a mmWave channel. MmWave channels are highly susceptible to blockage and require frequent angle of arrival (AoA) estimation.
Mahbuba S. Ullah +2 more
doaj +1 more source
Design of a digital CDMA receiver [PDF]
Proceedings of the 2003 conference on Asia South Pacific design automation - ASPDAC, 2003 In this work, an attempt has been made to design a Digital Signal Code Division Multiple Accesses Receiver using VHDL [1] [2] and synthesize using Mentor Graphics tools. The receiver is designed for a maximum of three users as per the design specification given for the contest.
I. Vijay Kumar, M. B. Srinivas
openaire +1 more source
Radioengineering, 2021 The CipherCAD testbed is a unique workplace for the development, design, testing, verification and teaching of the communications systems. CipherCAD is at the core of the workplace, which is an application primarily designed for solving cryptographic ...
V. Platenka, A. Mazalek
doaj
Applied Sciences, 2021 By increasing the demand for radio frequency (RF) and access of hackers and spoofers to low price hardware and software defined radios (SDR), radio frequency interference (RFI) became a more frequent and serious problem. In order to increase the security
Mohammad Hossein Same +4 more
doaj +1 more source
Leveraging Waveform Structure to Develop a Power Scalable AoA Estimation
IEEE Open Journal of the Communications Society, 2021 In a mmWave mobile device, power consumption resulting from the high sampling rate is a primary concern for angle of arrival (AoA) estimation solutions. In this paper, we provide a power scalable solution for AoA estimation with structured waveforms in a
Mahbuba Sheba Ullah +2 more
doaj +1 more source