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Fengzhong Qu, Zhengchao Li, Minhao Zhang, Xingbin Tu and Yan Wei
Wireless communication at sea is an essential way to establish a smart ocean. In the communication system, however, signals are affected by the carrier frequency offset (CFO), which results from the Doppler effect and crystal frequency offset. The offset...
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Ireneusz Kubiak and Artur Przybysz
The electromagnetic protection of IT devices includes a number of organizational and technical measures aimed at ensuring control over radiated and conducted revealing emissions. This is of particular importance for ensuring information security in wirel...
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Xiao Zhou, Chengyou Wang and Ruiguang Tang
This channel estimation method can be utilized to improve the underwater acoustic communication and fifth-generation (5G) wireless communication systems.
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Min Zhang, Zhongwei Yu, Hai Wang, Hongbo Qin, Wei Zhao and Yan Liu
Neural network shows great potential in modulation classification because of its excellent accuracy and achievability but overfitting and memorizing data noise often happen in previous researches on automatic digital modulation classifier. To solve this ...
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Luis Oñate,José Gómez,Holger Lapo
La Televisión Digital Terrestre está orientada a sustituir las transmisiones de televisión analógica, al utilizar la modulación OFDM (multiplexación por división de frecuencias ortogonales), con esta modulación se puede realizar transmisiones para equipo...
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Izz Abboud,Muaayed Al-Rawi,Nasir Al-Awad
Pág. 30 - 34
This paper studies the performance of coded orthogonal frequency division multiplexing system using two modulation techniques, quadrature phase shift keying (QPSK) and M-ary quadrature amplitude modulation(M-QAM) with M=8, 16, 32, and 64. The convolution...
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Mohamed Tamazin, Ahmed Gouda and Mohamed Khedr
Many new consumer applications are based on the use of automatic speech recognition (ASR) systems, such as voice command interfaces, speech-to-text applications, and data entry processes. Although ASR systems have remarkably improved in recent decades, t...
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Nasir Al-Awad,Muaayed Al-Rawi
Pág. 39 - 42
This paper studies the performance of coded orthogonal frequency division multiplexing system using two modulation techniques, quadrature phase shift keying (QPSK) and M-ary quadrature amplitude modulation(M-QAM) with M=8, 16, 32, and 64. The convolution...
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Nazmul Ahmed, Md. Mamunur Rashid, Chowdhury Akram Hossain, Md. Saniat Rahman Zishan
Pág. 113 ? 118
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Germán Arévalo Bermeo
El presente artículo presenta el análisis de la probabilidad de error en la transmisión de datos en un canal digital con ruido blanco gaussiano aditivo (AWGN), considerando una cadena de bits codificada con el código Grey, para diferentes valores de umbr...
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