Results 111 to 120 of about 12,277 (211)

Fast simulation of turbo codes over AWGN channels

, 2007
In this paper, we illustrate the use of importance sampling (IS) for efficient simulation of Turbo Codes over additive white Gaussian noise (AWGN) channels.
Guo, Y. Jay, Liyanapathirana, Ranjith, Nguyen, Kim Chi, Dutkiewicz, Eryk, Gunawardana, Upul   +4 more
core  

Simultaneous single image super‐resolution and blind Gaussian denoising via slim ghost full‐frequency residual blocks

IET Image Processing
Given that super‐resolution (SR) aims to recover lost information, and low‐resolution (LR) images in real‐world conditions might be corrupted with multiple degradations, considering basic bicubic down‐sampling as the sole degradation significantly limits
Saghar Farhangfar, Aryaz Baradarani, Mohammad Asadpour, Mohammad Ali Balafar, Roman Gr. Maev   +4 more
doaj   +1 more source

Performance of rate compatible punctured turbo codes over AWGN channels

, 2004
The performance of turbo codes with short frame size of 320 bits with variable rate and constraint length of 4 and 5 of AWGN channel is investigated. Two encoders (13,15) and (37,21) with constraint length 4 and 5 were tested over AWGN channel. The first
Kabalan K.Y., El-Hajj A., Choufani D.
core  

Chaotic Multiple Access System Based on Orthogonal Chaotic Vector of Lorenz System

مجلة النهرين للعلوم الهندسية, 2017
Chaos phenomenon is capable of generating chaotic sequences with low cross-correlation, which can be useful for spreading the direct sequence code division multiple access (DS-CDMA) system.
Hikmat N. Abdullah
doaj  

Exponentes de error alcanzables de canales AWGN unidireccionales y bidireccionales

, 2019
Los exponentes de error alcanzables para el unidireccional con realimentación ruidosa y los canales AWGN bidireccionales se derivan para la transmisión de un número finito de mensajes usando una longitud de bloque fija, bajo las restricciones de potencia
Palacio Baus, Kenneth Samuel, Devroye, Natasha   +1 more
core  

Análisis del desempeño de un sistema de comunicaciones con modulación DBPSK/DQPSK basado en hardware reconfigurable

Ingenierías USBMed, 2014
En este informe de trabajo de grado bajo la modalidad de investigación se presenta la implementación en bloques hardware de un sistema de transmisión y recepción de señales digitales moduladas en fase diferencial DBPSK y DQPSK.
Fabián A. Burbano Robles , Mario A. Ramos Goyes, Pablo E. Jojoa Gómez   +2 more
doaj  

Performance analysis of Bluetooth packet transmission and adaptive packet selection strategy

Tongxin xuebao, 2005
Relations between bit error rate and average received signal-to-noise ratio （SNR） in AWGN channel were derived for three modulation modes defined by Bluetooth 2.0+EDR new specification.
YANG Fan, WANG Ke, QIAN Zhi-hong
doaj  

Task-Oriented Deep Joint Source-Channel Coding with Semantic-Aware Adaptive Quantization for Autonomous Driving. [PDF]

Sensors (Basel)
Wang X, Chen H, Sun Y, Li X, Xie M.
europepmc   +1 more source

Bandwidth-efficient and reliable communication in smart grid systems for modern energy networks using Trellis and Turbo Trellis Coded Modulation. [PDF]

Sci Rep
Ghallab R, Shaheen M, Elkorany AS, El-Feshawy SA.   +3 more
europepmc   +1 more source

Approaching the capacity of AWGN channels using multi-layer Raptor codes and superposition modulation

We propose a capacity approaching coding strategy for additive white Gaussian noise (AWGN) channels by using multi-layer Raptor codes and superposition modulation.
Sarah Johnson (21132320), Mahyar Shirvanimoghaddam (21140468)   +1 more
core