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Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10495/7726
Título : A novel dispersion monitoring technique in W-band radio-over-fiber signals using clustering on asynchronous histograms
Otros títulos : Nueva técnica de monitoreo sobre la dispersión en las señales de radiosobre- fibra en la banda W usando clustering en histogramas asíncronos
Autor : Granada Torres, Jhon James
Cárdenas Soto, Ana María
Guerrero González, Neil
Palabras clave : Dispersión cromática
Monitoreo óptico
Radio sobre fibra
Fecha de publicación : 2014
Editorial : Universidad Nacional de Colombia, Facultad de Ingeniería
Citación : Granada, J. J., Cárdenas, A. M. & Guerrero, N. (2014). A novel dispersion monitoring technique in W-band radio-over-fiber signals using clustering on asynchronous histograms. Ingeniería e Investigación, 34 (3), 76-80. DOI: 10.15446/ing.investig.v34n3.42902
Abstract : Radio over Fiber (RoF) systems have been proposed as a promising solution for transmitting radiofrequency signals at high data rates over long distances. To reach data rates in the Gbps range, studies indicate using the W-Band (75 -110 GHz). However, in this frequency band, chromatic dispersion becomes an issue that increases the bit-error-rate. This paper presents a novel digital dispersion monitoring technique for RoF systems based on asynchronous histogram analysis. This method quantifies the intensity level of the distortion of a radiofrequency demodulated signal by a dispersion factor. This dispersion factor is calculated using an enhanced clustering approach, which carries out a Gaussian fitting technique through the expectation-maximization algorithm. Dispersion monitoring was performed on radiofrequency transmission simulations using non-return-to-zero and binary phase-shift keying modulated signals over 80 km of optical fiber at 60, 75 and 100 GHz. The bit error rate is estimated and compared to the dispersion factor, showing that the behavior of the dispersion effects are not proportional to the increase of carrier frequency, bit rate and distances. This novel monitoring method can be used to estimate the feasibility of RoF systems for future hybrid networks under specific transmission parameters such as fiber length, modulation format, and carrier frequency.
Grupo de INV. : Grupo de Investigación en Telecomunicaciones Aplicadas (GITA)
URI : http://hdl.handle.net/10495/7726
ISSN : 01205609
22488723 E
Aparece en las colecciones: CIA (Centro de Investigaciones Ambientales y de Ingeniería)

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