Mostrando 10 resultados de: 11
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2020 12th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2020(2)
Communications in Computer and Information Science(2)
2020 IEEE Colombian Conference on Communications and Computing, COLCOM 2020 - Proceedings(1)
2020 South American Colloquium on Visible Light Communications, SACVC 2020 - Proceedings(1)
Applied Sciences (Switzerland)(1)
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Física aplicada(8)
Ciencias de la computación(3)
Minería y operaciones afines(3)
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Comunicación(8)
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Origen
scopus(11)
Comparative Analysis of Cooperative Routing Protocols in Cognitive Radio Networks
Conference ObjectAbstract: In this work, we investigate and compare cooperative routing protocols for channel selection purposePalabras claves:Channel Selection Scheme for Cooperative Routing Protocols, Cognitive Radio Network, Cooperative routing protocols, Multi-channel MAC protocol, Multi-channel schemeAutores:Carlos Saavedra, José Rodrigues Freire Filho, Milton Román-Cañizáres, Pablo Palacios Játiva, Zabala-Blanco D.Fuentes:scopus3D multiple sound source localization by proposed cuboids nested microphone array in combination with adaptive wavelet-based subband gevd
ArticleAbstract: Sound source localization is one of the applicable areas in speech signal processing. The main challPalabras claves:Clustering, Nested microphone array, Sound source localization, Spectral estimation, Subband processing, wavelet transformAutores:Adasme P., Azurdia-Meza C.A., Firoozabadi A.D., Irarrazaval P., Pablo Palacios Játiva, Zabala-Blanco D.Fuentes:scopusA VLC channel model for underground mining environments with scattering and shadowing
ArticleAbstract: Underground mining is an industry that preserves the miners' safety and efficiency in their work usiPalabras claves:channel impulse response, Channel modeling, scattering, shadowing, underground mining, Visible light communicationAutores:Azurdia-Meza C.A., Firoozabadi A.D., Gutiérrez C.A., Iván Sánchez, Pablo Palacios Játiva, Seguel F., Soto I., Zabala-Blanco D.Fuentes:scopusEmpirical Path Loss Distribution for Visible Light Communications in Underground Mines
Conference ObjectAbstract: Visible light communication (VLC) systems allow communication and lighting simultaneously. This advaPalabras claves:light propagation, path loss distribution, path loss modeling, underground mining (UM) communication, visible light communication (VLC)Autores:Azurdia C., Milton Román, Pablo Palacios Játiva, Seguel F., Soto I., Zabala-Blanco D.Fuentes:scopusMultiresolution speech enhancement based on proposed circular nested microphone array in combination with sub-band affine projection algorithm
ArticleAbstract: Speech enhancement is one of the most important fields in audio and speech signal processing. The spPalabras claves:Adaptive filter, Filter bank, Microphone array, Speech enhancement, Sub-band processingAutores:Adasme P., Azurdia-Meza C.A., Durney H., Firoozabadi A.D., Irarrazaval P., Pablo Palacios Játiva, Sanhueza M., Zabala-Blanco D.Fuentes:scopusICI Reduction by Using the Improved Double-jump 1 Pulse in MQAM-OFDM Schemes
Conference ObjectAbstract: Orthogonal frequency division multiplexing (OFDM) is sensitive to frequency offset since it causes iPalabras claves:double-jump 1 pulse, frequency offset, improved pulse shaping filters, intercarrier interference, Orthogonal Frequency Division Multiplexing (OFDM)Autores:Azurdia-Meza C.A., Firoozabadi A.D., Kamal S., Montejo-Sanchez S., Pablo Palacios Játiva, Soto I., Zabala-Blanco D.Fuentes:scopusImproved Double-jump 2 Pulse to Compensate Frequency Offset in MQAM-OFDM Systems
Conference ObjectAbstract: Orthogonal frequency division multiplexing (OFDM) is severely affected by the frequency offset becauPalabras claves:frequency offset, intercarrier interference, Nyquist-I pulses, Orthogonal frequency division multiplexingAutores:Azurdia-Meza C.A., Pablo Palacios Játiva, Zabala-Blanco D.Fuentes:scopusInterference mitigation for visible light communications in underground mines using angle diversity receivers
ArticleAbstract: This paper proposes two solutions based on angle diversity receivers (ADRs) to mitigate inter-cell iPalabras claves:Angle diversity receiver, Inter-cell interference, Signal combining scheme, underground mining, Visible light communicationAutores:Azurdia-Meza C.A., Firoozabadi A.D., Milton Román-Cañizáres, Montejo-Sanchez S., Pablo Palacios Játiva, Seguel F., Soto I., Zabala-Blanco D.Fuentes:scopusPerformance Analysis of OFDM-Based VLC Schemes in NLOS Channels
Conference ObjectAbstract: In this paper, several Orthogonal frequency division multiplexing (OFDM)-based Visible light CommuniPalabras claves:ACO-OFDM, ADO-OFDM, DCO-OFDM, IM/DD, OFDM-based VLCAutores:Azurdia-Meza C.A., Milton Román-Cañizáres, Montejo-Sanchez S., Pablo Palacios Játiva, Zabala-Blanco D.Fuentes:scopusRelaxation of the radio-frequency linewidth for coherent-optical orthogonal frequency-division multiplexing schemes by employing the improved extreme learning machine
ArticleAbstract: A coherent optical (CO) orthogonal frequency division multiplexing (OFDM) scheme gives a scalable anPalabras claves:Coherent detection, Extreme learning machine (ELM), Laser phase noise, Orthogonal Frequency Division Multiplexing (OFDM), Subcarrier modulation formatAutores:Azurdia-Meza C.A., Firoozabadi A.D., Mora M., Pablo Palacios Játiva, Soto I., Zabala-Blanco D.Fuentes:scopus