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Video Multiplexer FPGA-based SOPC Design and Implementation

Author: XuLing
Tutor: WangHongYuan
School: Huazhong University of Science and Technology
Course: Communication and Information System
Keywords: IPQAM Simple Network Management System Web server Transport stream multiplexing
CLC: TN949.197
Type: Master's thesis
Year: 2011
Downloads: 29
Quote: 0
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Abstract


With the further development of digital television , the services available on the Internet began to take shape in the television network . The three networks ( telecommunication network , TV and computer networks ) unity is the inevitable trend of development of the network , with the further expansion of the digital TV value-added services with respect to the Internet network TV services , television networks , video -on-demand service will be the traditional TV a bright spot in the industry value - added business . IPQAM equipment came into being in this environment , the input of the device to an IP datagram output QAM ??modulated analog signal , the computer network and the networks of organic together , so this topic development times 's . This topic describes the research background IPQAM and overall design , the use of multi- frequency modulation scheme , the first-line modulation system using frequency division multiplexing for multi-user standalone player without disturbing each other . Setting up web server to provide network management capabilities and improve bandwidth utilization , the subject of the embedded device , start simple NMS agent side and transport stream multiplexing function . Network management terminal via the web or simple NMS server-side proxy end configuration and monitoring , network management commands issued and device information feedback . Done in the present system in order to improve bandwidth utilization, the transport stream remultiplexing function , to achieve a single program stream , and a portion of the multi-program stream and all multiplexing , the PID automatically re-mapping, the detection of the transport stream . Finally, the solution of other issues and problems encountered in the software development process of the system , laboratory tests and to on-site commissioning , the system screen effects and network management to perform well .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > TV > TV : Press the institutional sub- > Digital TV
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