Results 31 to 40 of about 7,265 (245)

Optimal design of 10‐bit single‐slope ADC for CMOS image sensor based on swarm intelligent optimization algorithm

open access: yesIET Circuits, Devices and Systems, 2021
As one of the most critical blocks of the CMOS image sensor (CIS), the accuracy and power consumption of the analogue‐to‐digital converter (ADC) play an important role in its performance.
Yan‐Hua Ma   +3 more
doaj   +1 more source

Nonlinear Precoding for Multipair Relay Networks With One-Bit ADCs and DACs

open access: yesIEEE Signal Processing Letters, 2018
We consider a multipair half-duplex relay communication network, where the relay is deployed with one-analog-to-digital converters and one-bit digital-to-analog converters. To suppress the interpair interference and quantization artifacts, we propose nonlinear precoding schemes to forward the quantized signals at the relay. We first present a technique
Chuili Kong   +4 more
openaire   +1 more source

One-Bit Spectrum Sensing Peculiarities

open access: yesVìsnik Nacìonalʹnogo Tehnìčnogo Unìversitetu Ukraïni Kììvsʹkij Polìtehnìčnij Ìnstitut: Serìâ Radìotehnìka, Radìoaparatobuduvannâ
The use of autonomous sensors for analyzing wide bands of radio frequency spectrum requires using the high-speed analog-to-digital converters (ADC). The operation of such devices with high bit resolution requires several watts of power. One-bit ADC will
M. V. Buhaiov
doaj   +1 more source

Cooperative DF Protocol for MIMO Systems Using One-Bit ADCs

open access: yesSensors, 2022
This study considers a detection scheme for cooperative multi-input–multi-output (MIMO) systems using one-bit analog-to-digital converters (ADCs) in a decode-and-forward (DF) relay protocol. The use of one-bit ADCs is a promising technique for reducing the power consumption, which is necessary for supporting future wireless systems comprising a large ...
openaire   +3 more sources

Semi-Supervised Learning Detector for MU-MIMO Systems with One-Bit ADCs [PDF]

open access: yes2019 IEEE International Conference on Communications Workshops (ICC Workshops), 2019
We study an uplink multiuser multiple-input multiple-output (MU-MIMO) system with one-bit analog-to-digital converters (ADCs). In this system, we recently proposed a supervised-learning (SL) detector by modeling a non-linear end-to-end system function into a parameterized Bernoulli-like model.
Seonho Kim   +3 more
openaire   +3 more sources

Method and Implementation of High-speed Digital Sampling Technology Based on Impulse Radar Signal

open access: yesLeida xuebao, 2012
A High-speed digital sampling technology suitable for periodical impulse radar signal is proposed in this paper. One bit high-speed quantize is constructed by differential comparator in FPGA. Time-interleaved digital sampling and buffer encoding are used
Shen Shao-xiang   +2 more
doaj   +1 more source

An Accurate and Fast Method for Improving ADC Nonlinearity

open access: yesApplied Computational Intelligence and Soft Computing, 2023
Errors in analog-to-digital conversion (ADC) occur due to internal links or other electronic parts; faults that may occur during code conversion cannot be overlooked because signal digitalisation demands a large dynamic range and high resolution.
Mohammed Abdulmahdi Mohammedali   +1 more
doaj   +1 more source

Experimental study of the accuracy of searchless methods of spectral correlation-interferometric radio direction finding

open access: yesТехнічна інженерія, 2023
The experimental assessment of direction finding error for searchless methods of spectral correlation-interferometric radio direction finding was performed.
V.V. , V.G. , V.V.
doaj   +1 more source

Using Novel One-Bit ADC to Design n-Bit ADC

open access: yesInternational Journal of Innovative Technology and Exploring Engineering, 2019
This work presents two novel styles for designing n-bit analog to digital converter (ADC). Each of the proposed ADCs is built using novel one-bit cell. The novel cell produces single output bit as a response to an input voltage, in addition, it outputs another analog voltage. The generated analog voltage is used again as an input to the to generate one
openaire   +1 more source

Differential Deep Detection in Massive MIMO With One-Bit ADC

open access: yes, 2021
This article presents a differential detection scheme for the uplink of a massive MIMO system that employs one-bit quantizers on each receive antenna. We focus on the detection of differential amplitude and phase shift keying symbols and we use the Bussgang theorem to express the quantized received signal in terms of quantized signals received during ...
Emenonye, Don-Roberts   +2 more
openaire   +2 more sources

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