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scopus(18)
Code acquisition of random optical codes in optical code-division multiple-access
ArticleAbstract: In this study, the authors present a technique for code acquisition in optical code-division multiplPalabras claves:Autores:Hernández O.G., Lopez-Hernandez F.J., Martin-Gonzalez J.A., Poves E., Rafael Pérez-JiménezFuentes:scopusComparison of Monte Carlo ray-tracing and photon-tracing methods for calculation of the impulse response on indoor wireless optical channels
ArticleAbstract: We present a comparison between the modified Monte Carlo algorithm (MMCA) and a recently proposed raPalabras claves:Autores:Ayala A., Hernández O.G., Mendoza B.R., Rafael Pérez-Jiménez, Rodríguez S.P.Fuentes:scopusComparison of three non-imaging angle-diversity receivers as input sensors of nodes for indoor infrared wireless sensor networks: Theory and simulation
ArticleAbstract: In general, the use of angle-diversity receivers makes it possible to reduce the impact of ambient lPalabras claves:Angle-diversity, Infrared channel, Sensor network, Signal to noise ratio, SimulationAutores:Ayala A., Hernández O.G., Mendoza B.R., Rafael Pérez-Jiménez, Rodríguez S.P.Fuentes:scopusConcentrator and lens models for calculating the impulse response on IR-wireless indoor channels using a ray-tracing algorithm
ArticleAbstract: This paper presents concentrator and lens models for the detector and emitter, respectively, upon whPalabras claves:Angle-diversity, CPC, Impulse response, Infrared channel, Ray TracingAutores:Borges J.A.R., Hernández O.G., Mendoza B.R., Rafael Pérez-Jiménez, Rodríguez S.P.Fuentes:scopusConsiderations on the design of conventional receivers for wireless optical channels using a Monte Carlo based ray-tracing algorithm
Conference ObjectAbstract: This paper presents a study of the design of a conventional receiver structure that offers improvedPalabras claves:Angle-diversity, Conventional receiver, Infrared channel, Ray-tracingAutores:Ayala A., Hernández O.G., Mendoza B.R., Rafael Pérez-Jiménez, Rodríguez S.P.Fuentes:scopusAdaptive OFDM system for multi-user communications over the indoor wireless optical channel
Conference ObjectAbstract: In this paper, an adaptive Orthogonal Frequency Division Multiplexing (OFDM) system is proposed forPalabras claves:Diversity reception, Optical communication, Orthogonal frequency division multiplexing, Space division multiple access, Wireless LANAutores:Hernández O.G., Mendoza B.R., Rafael Pérez-Jiménez, Rajó F.A.D., Rodríguez S.P.Fuentes:scopusAdaptive WHTS-assisted SDMA-OFDM scheme for fair resource allocation in multi-user visible light communications
ArticleAbstract: This paper proposes applying Walsh-Hadamard transform spreading (WHTS) in conjunction with space-divPalabras claves:Adaptive modulation, orthogonal frequency-division multiplexing (OFDM), Space-division multiple access (SDMA), Visible light communications (VLCs), Walsh-Hadamard transform (WHT)Autores:Guerra-Medina M., Hernández O.G., Martín I., Rafael Pérez-Jiménez, Rajó F.A.D.Fuentes:scopusAdaptive code-division multiple-access system for communications over indoor wireless optical channels based on random optical codes
ArticleAbstract: The authors have designed an adaptive optical codes-based system for communications over the indoorPalabras claves:Autores:Hernández O.G., Lopez-Hernandez F.J., Martin-Gonzalez J.A., Poves E., Rafael Pérez-JiménezFuentes:scopusDesign considerations of conventional angle diversity receivers for indoor optical wireless communications
ArticleAbstract: A conventional angle diversity receiver uses multiple receiving elements that are oriented in differPalabras claves:Angle diversity, Effective area model, Infrared channel, outage probability, Receiver designAutores:Fernández A.G.V., Hernández O.G., Mendoza B.R., Rafael Pérez-Jiménez, Rodríguez S.P.Fuentes:scopusFHSS optical wireless transceiver for short range low-speed indoor sensor interconnection
ArticleAbstract: Experimental and simulation results from the operation of a prototype of wireless indoor optical traPalabras claves:CDMA, DIFFUSE, Frequency Hopping, Optical channelAutores:Hernández O.G., Pérez S.T., Rafael Pérez-Jiménez, Rajó F.A.D.Fuentes:scopus