Characterization of the In-Phase Response and Phase Compensation in Multicarrier Systems for Channels with Non-Uniform Frequent

  • Claudia Lucía Cortés Cortés Universidad Nacional de Colombia - sede Manizales
  • Neil Guerrero González Universidad Nacional de Colombia - sede Manizales
Keywords: multicarrier modulation, non-uniform frequency response, phase response, Nyquist - FDM, unconventional QPSK

Abstract

This work proposes a methodology for the phase estimation in sub-bands of a non-uniform response channel. The novelty of this proposal lies in the use of a modulation format in QSPK (Quadrature Phase Shift Keying) quadrature-phase modified as a test signal for the phase estimation that eliminates the ambiguity issue. The methodology here proposed is verified experimentally using a defective RF cable as transmission channel and
thus achieving data transmission rates of 20 Kbaud in a 120 cm distance in a frequency band between the 50 kHz y 276 kHz.

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  • Author Biographies

    Claudia Lucía Cortés Cortés, Universidad Nacional de Colombia - sede Manizales

    Magíster en Ingeniería en Automatización Industrial, estudiante del Doctorado en Ingeniería Automática,
    Universidad Nacional de Colombia, Manizales, Colombia

    Neil Guerrero González, Universidad Nacional de Colombia - sede Manizales

    PhD en Fotónica. Profesor asociado del Departamento de Ingeniería Eléctrica, Electrónica y Computación, Universidad Nacional de Colombia, Manizales, Colombia

Published
2019-07-23
How to Cite
Cortés Cortés, C. L., & Guerrero González, N. (2019). Characterization of the In-Phase Response and Phase Compensation in Multicarrier Systems for Channels with Non-Uniform Frequent . Revista Ingenierías Universidad De Medellín, 19(36), 167-185. https://doi.org/10.22395/rium.v19n36a8

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