Multimedia Transmission
Mostrando 13-20 de 20 artigos, teses e dissertações.
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13. Análise de desempenho de uma rede local sem fio para aplicações multimídia
This work presents a methodology that supplies subsidies in order to evaluate the acting of multimedia applications in Wireless Local Area Network. To understand the context of the work first we described some theoretical fundamentals on Wireless Local Area Network (WLAN) and Multimedia Applications. In what it concerns the Wireless Local Area Network, stand
Publicado em: 2001
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14. Dos parametros de degradação do canal de retorno em redes hibridas fibra/coaxial (HFC) interativas
This thesis describes the characterization of the return channel implemented in Hybrid network Fibra/Coaxial (HFC) Interactive considered as an alternative for the access the wide band, in the transmission of services multimedia. The main attention is centered in the pattern of the parameters that can degrade this channel, when of the digital transmissions u
Publicado em: 2001
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15. Implantando a tecnologia ATM em redes locais
The technological advances and the offer of new services, like voice and interactive video and graphic data transmission, have generated a need of changes in traditional local area networks. The topology that involves shared media is quite efficient for data transmission applications, which require low error probabilities but are very tolerant to delays, sup
Publicado em: 1998
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16. Sincronização de fluxos de dados em aplicações multimidia
In a near future, the computers will offer to users the possibility to manipulete continuous media through totally interacted systems. For these systems medias like, for example, audio and video are especially important and are called continuous media because of the closed relation with the time. In computing, the mechanism capable to maintain this relation
Publicado em: 1997
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17. PROTOCOLOS DE ACESSO PARA TECNOLOGIA TDMA EM SISTEMAS DE COMUNICAÇÃO MÓVEIS / MULTIPLE ACCESS PROTOCOLS FOR TDMA TECHNOLOGY IN MÓBILE COMMUNICATIONS SYSTEMS
The fast technological development that occurred in the mobile communications sector and the outstanding interest showed by the users resulted in na unexpected huge demand. The need to sypply this demand and to support new services such as audio, video and multimedia have motivated the study of new technologies. Nowadays, one of the greatest challenge is to
Publicado em: 1996
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18. Willow: a uniform search interface.
The objective of the Willow Project is to develop a uniform search interface that allows a diverse community of users to retrieve information from heterogeneous network-based information resources. Willow separates the user interface from the database management or information retrieval system. It provides a graphic user interface to a variety of information
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19. Multi-purpose HealthCare Telemedicine Systems with mobile communication link support
The provision of effective emergency telemedicine and home monitoring solutions are the major fields of interest discussed in this study. Ambulances, Rural Health Centers (RHC) or other remote health location such as Ships navigating in wide seas are common examples of possible emergency sites, while critical care telemetry and telemedicine home follow-ups a
BioMed Central.
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20. Image sampling in static telepathology for frozen section diagnosis.
BACKGROUND: A frozen section diagnostic service is often not directly available in small rural or mountain hospitals. In these cases, it could be possible to provide frozen section diagnosis through telepathology systems. Telepathology is based on two main methods: static and dynamic. The former is less expensive, but involves the crucial problem of image sa