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The Feasibility Of Ultra-WideBand Technique Using In The Multimedia M-Learning

Posted on:2009-05-02Degree:MasterType:Thesis
Country:ChinaCandidate:K JiaFull Text:PDF
GTID:2178360242496317Subject:Education Technology
Abstract/Summary:PDF Full Text Request
UWB (Ultra-Wideband UWB) wireless technique has become a hot research issue and development of the wireless communication field, and has been seen as the next generation of the wireless technique. UWB wireless communication systems have channel capacity, low-power spectral density of radiation, anti-multipath, and a strong ability transceiver simple structure and confidentiality of the proposed method. Increasingly tense in the spectrum resources, transfer rates rising today, UWB wireless communication to high-speed wireless communication as a new solution, particularly suitable for indoor multipath environment in the short-distance wireless communications.According to the the conclusion of this paper, based on the design of the FCC designated UWB wireless communication system standards and IEEE 802.15.3a channel model, The network model using finite state machine (FSM) to describe the logic of the entire system. We took simulation experiments with this model, the system load, end-to-end delay, the MAC layer delay, packets loss rate, and other network communication parameters detailed analysis, and gives the performance of each parameter curves. Simulation of the system through the analysis of experimental results, we concluded that the use of DS-UWB technologies for mobile multimedia teaching network, and the various aspects of system performance can meet the mobile multimedia teaching resource network of real-time transmission of multimedia teaching business request, and has the ability of making changes to the current status of mobile multimedia teaching.In this paper, the innovation lies in the analysis of existing mobile learning platform on the base of the proposed mobile multimedia learning system with the UWB wireless communications technology, and in accordance with the requirements of multi-media teaching UWB wireless communications, as well as the technical parameters of the establishment of a mobile multimedia teaching network simulation environment and simulation. According to wireless multimedia data transmission QoS parameters, the simulation environment based on the experimental results of the QoS analysis, and that will be UWB technology into mobile multimedia teaching them to meet the mobile multimedia teaching needs.At the same time, according to various survey results inland and abroad will be no introduction of UWB wireless communications technology using in the mobile multimedia teaching case.
Keywords/Search Tags:M-Learning, Multimedia, UWB, Ad-Hoc, wireless transmission
PDF Full Text Request
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