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Design and Implementation of 3G Video Transmission System Based on the Load Balance

Author: LiJiXiang
Tutor: WangZheLong
School: Dalian University of Technology
Course: Control Theory and Control Engineering
Keywords: Load balancing H.264 Real - time codec Embedded Linux 3G
CLC: TN919.8
Type: Master's thesis
Year: 2011
Downloads: 55
Quote: 0
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Abstract


In recent years, with the deepening of the process of social information , the requirements of television viewers and Internet users live news of the the major themes sudden events is getting higher and higher , however, affect land in order to achieve rapid and efficient motor response and weather without geographical complete live task , the 3G network system , easy operation and quick and easy is a powerful addition to the advantage of all the live means . Video call 3G network environment , provides a new method for the live broadcast - through the front - end video capture devices , the acquisition screen through The the 3G transmission module into the data stream after the 3G network to the live video for live use , This has created a new live - 3G live video . A from the live satellite broadcast trucks , using existing 3G communication can be carried by a single cameraman lightweight , portable transceiver system . This system allows the professional TV provider in the case of satellite or microwave uplink from the remote to send major news , sporting events other high - quality real-time video , so man- site live coverage as possible . The core of the system is that the 3G link load balancing technology , multi-link trunking, bandwidth superimposed multiple physical links , in order to achieve the purpose of improve the overall bandwidth , so as to improve the clarity of the image , this to meet the demanding requirements of high-definition video data transfer bandwidth . The system uses C / S model , the client using C / C language , S3C6410 processor as the hardware platform , Linux as an embedded software platform . And low bit rate H.264 codec algorithm and use hardware encoding technology of the the bind network link load balancing , in order to work together to transfer data between multiple 3G cards , successfully resolved the 3G bandwidth bottlenecks. The host computer using the C # language , the use of open source VLC dynamic link library , completed to receive and display real - time video and real-time video can be saved . The test results show that the system can achieve more 3G module boot from the start , automatic dial-up link and multilink bundle , video capture, compression coding and 3G video data transmission ; simultaneously with stable transmission and display real-time video , and video functionality . Achieve the desired results , and to meet the design requirements .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Image communication, multimedia communication
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