Steepest-descent method-based adaptive frequency domain equalizer in coherent optical orthogonal frequency division multiplexing with quadrature phase shift keying modulation

Optik ◽  
2013 ◽  
Vol 124 (22) ◽  
pp. 5739-5741
Author(s):  
Tian-yu Liang ◽  
Qing-ping He ◽  
Li He
Keyword(s):  
Phase Shift ◽  
Orthogonal Frequency Division Multiplexing ◽  
Descent Method ◽  
Steepest Descent Method ◽  
Frequency Division Multiplexing ◽  
Frequency Division ◽  
Phase Shift Keying ◽  
Quadrature Phase Shift Keying ◽  
Quadrature Phase ◽  
Shift Keying

scholarly journals Performance Analysis of Coded Frequency Division Multiplexing

2018 ◽  
Vol 2 (3) ◽  
pp. 56
Author(s):  
Mhnd Farhan
Keyword(s):  
Orthogonal Frequency Division Multiplexing ◽  
Convolutional Code ◽  
Error Correcting Code ◽  
Frequency Division Multiplexing ◽  
Frequency Division ◽  
Phase Shift Keying ◽  
Modulation Techniques ◽  
Quadrature Phase ◽  
Shift Keying ◽  
Better Than

This paper studies the performance of coded orthogonal frequency division multiplexing system using two modulation techniques, quadrature phase shift keying(QPSK) and quadrature amplitude modulation(QAM). The convolutional code is used as error-correcting-code. The communication channel used is vehicular channel. Simulation results show that the performance of coded orthogonal frequency division multiplexing system with QPSK is better than that with QAM

scholarly journals Performance Analysis of Coded Frequency Division Multiplexing

2018 ◽  
Vol 2 (3) ◽  
pp. 56-60
Author(s):  
Mhnd Farhan
Keyword(s):  
Orthogonal Frequency Division Multiplexing ◽  
Convolutional Code ◽  
Error Correcting Code ◽  
Frequency Division Multiplexing ◽  
Frequency Division ◽  
Phase Shift Keying ◽  
Modulation Techniques ◽  
Quadrature Phase ◽  
Shift Keying ◽  
Better Than

Abstract This paper studies the performance of coded orthogonal frequency division multiplexing system using two modulation techniques, quadrature phase shift keying(QPSK) and quadrature amplitude modulation(QAM). The convolutional code is used as error-correcting-code. The communication channel used is vehicular channel. Simulation results show that the performance of coded orthogonal frequency division multiplexing system with QPSK is better than that with QAM

Digital-analog hybrid optical phase-lock loop for optical quadrature phase-shift keying

2020 ◽  
Vol 18 (9) ◽  
pp. 090602
Author(s):  
Shaowen Lu ◽  
Yu Zhou ◽  
Funan Zhu ◽  
Jianfeng Sun ◽  
Yan Yang ◽  
...  
Keyword(s):  
Phase Shift ◽  
Phase Lock Loop ◽  
Phase Shift Keying ◽  
Phase Lock ◽  
Optical Phase ◽  
Quadrature Phase Shift Keying ◽  
Quadrature Phase ◽  
Shift Keying
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