Results 111 to 120 of about 10,809 (212)

Analyzing the benefit of optical transmission systems based on root raised cosine PS-QPSK and a flexible channel grid

, 2013
International audienceWe numerically investigate the multi-channel transmission performance of Polarization Switched Quadrature Phase Shift Keying (PS-QPSK) and we compare it to the performance of Polarization-Division-Multiplexed QPSK (PDM-QPSK), using ...
Ramantanis, Petros, Vuong, Jordi, Seck, Aida, Lepers, Catherine, Benkelfat, Badr-Eddine, Bendimerad, Djalal Falih, Frignac, Yann   +6 more
core  

Implementasi Dan Evaluasi Kinerja Kode Konvolusi Pada Modulasi Quadrature Phase Shift Keying (QPSK) Menggunakan WARP

Jurnal Teknik ITS, 2015
Komunikasi digital membutuhkan suatu sistem komunikasi yang memberikan transfer data handal dan tahan terhadap noise yang terdapat pada kanal transmisi.
Desrina Elvia, Suwadi Suwadi, Titiek Suryani   +2 more
doaj  

Sistema de comunicación inalámbrico para la transmisión de audio con modulación QPSK y pi/4 QPSK usando cifrado simétrico

, 2016
Este artículo consiste en la implementación y diseño de un sistema de comunicación inalámbrico de una sola portadora para la transmisión y recepción de audio utilizando compresión y cifrado simétrica, la información será modulada en QPSK y π/4 QPSK ...
Silva Jaramillo, Pablo Roberto, ESPOL. FIEC, Espol   +2 more
core  

Демодуляция и декодирование QPSK-радиосигнала стандарта CCSDS

Секция «Интеллектуальные технологии и системы»Рассмотрены стандарты передачи данных CCSDS. Предложен граф для демодуляции QPSK-радиосигнала в GNU Radio.
Семенович, С. Н., Павлышко, М. А., Прохоров, В. А.   +2 more
core  

IridiumRF-MR: A Multi-Receiver One-Dimensional I/Q Dataset for Specific Emitter Identification of LEO Satellites. [PDF]

Sensors (Basel)
Duan J, Zheng Y, Zang B, Wang K, Jia M, Zhang Y.   +5 more
europepmc   +1 more source

Analisi delle distorsioni indotte da XPM in sistemi ibridi DQPSK-OOK e QPSK-OOK

, 2009
We investigate the effect of XPM due to 10G-OOK channels on the propagation of DQPSK and coherent QPSK channels. We explain why the XPM penalty decreases when increasing the baudrate of (D)QPSK and why QPSK is more affected than ...
SERENA, Paolo, G. BELLOTTI, BONONI, Alberto, M. BERTOLINI   +3 more
core  

Design of AFDM Waveform Encryption for LEO Satellite Networks. [PDF]

Sensors (Basel)
Yuan M, Lin H, Ma C, Ma P, Yu M, Tang X.
europepmc   +1 more source

Photonics-Aided 20 m Wireless Transmission of 56-GBaud OFDM Signals at 138 GHz in the D-Band for 6G Applications. [PDF]

Sensors (Basel)
Zhang H, Pei Z, Zhang Q, Chen Y, Yu J.
europepmc   +1 more source

Reliable equalization aided long-distance OFDM-FSO performance analysis over Gamma-Gamma turbulence with thermal and background noise mitigation. [PDF]

Sci Rep
Balakrishnan R, Senthilkumar S.
europepmc   +1 more source

A 220 GHz Integrated Sensing and Communication System Based on Orthogonal-Polarization Multiplexing. [PDF]

Micromachines (Basel)
Zhang J, Tang Z, Shi S, Liu K, Feng Y, Peng H, Zhang B.   +6 more
europepmc   +1 more source