5   Artículos

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en línea
Sangwoo Park,Erchin Serpedin,Khalid Qaraqe     Pág. 101 - 107
This paper focuses on non-data aided estimation of the symbol rate and detecting the data symbols in linearlymodulated signals. A blind oversampling-based signal detector under the circumstance of unknown symbol period is proposed. First, the symbol rate... ver más
Revista: Journal of Communications Software and Systems    Formato: Electrónico

 
en línea
Titiek Suryani,Gamantyo Hendrantoro     Pág. 178 - 183
Improvement on Inter Carrier Interference (ICI)mitigation techniques for OFDM caused by Doppler effectsthrough minimizing channel estimation error and decreasingchannel time varying rate is investigated. The performanceof pilot-aided channel estimation t... ver más
Revista: Journal of Communications Software and Systems    Formato: Electrónico

 
en línea
Guang Yang, Feng Zhou, Gang Qiao, Yunjiang Zhao, Yufei Liu, Yinheng Lu and Yuanan He    
In mobile underwater acoustic (UWA) communications, the Doppler effect causes severe signal distortion, which leads to carrier frequency shift and compresses/broadens the signal length. This situation has a more severe impact on communication performance... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Yuzhi Zhang, Shumin Zhang, Bin Wang, Yang Liu, Weigang Bai and Xiaohong Shen    
Orthogonal time frequency space (OTFS) is a novel two-dimensional (2D) modulation technique that provides reliable communications over time- and frequency-selective channels. In underwater acoustic (UWA) channel, the multi-path delay and Doppler shift ar... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Wang Cheng, Cao Yushi and Wang Weidong    
In recent years, the constant-envelope orthogonal frequency-division multiplexing (CE-OFDM) has been considered as a candidate waveform in broadband satellite systems as it has a 0-dB peak-to-average power ratio (PAPR). However, the carrier frequency off... ver más
Revista: Applied Sciences    Formato: Electrónico

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