| 一种改善TD-SCDMA/CDMA2000 1x双模视频传输效果的方法 |
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| 引用本文： | 田增山,李潜杰,何维,张勤. 一种改善TD-SCDMA/CDMA2000 1x双模视频传输效果的方法[J]. 重庆邮电学院学报(自然科学版), 2010, 0(1) |
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| 作者姓名： | 田增山 李潜杰 何维 张勤 |
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| 作者单位： | 重庆邮电大学移动通信技术重点实验室; |
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| 基金项目： | 重庆市科委科技攻关项目(CSTC,2008AC2073);;重庆市科委自然科学基金项目(CSTC,2008BB2412);;重庆市教委科技项目(KJ080520) |
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| 摘 要： | 针对双模视频传输时延差异带来的异步接收发生解帧错误现象和双模网络带宽不一致引起的调度问题,提出了一种有效改善TD-SCDMA和CDMA2000 1x双模无线视频传输效果的方法。该方法包括在发送端加定帧标识进行封包预处理,在接收端同步组合,同时设计了无线通信信道的协同工作和视频数据传输的调度管理。实验结果证明采用本方法后,双模视频传输系统效果已经能接近理想水平。该方法可以有效提高收端解帧的正确性和网络的可利用性,减少数据拥塞和系统时延。
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| 关 键 词： | 双模视频传输 TD-SCDMA CDMA2000 1x 调度算法 |
A method to improve effect of TD-SCDMA and CDMA2000 1x dual-mode wireless video transmission |
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| TIAN Zeng-shan,LI Qian-jie,HE Wei,ZHANG Qin. A method to improve effect of TD-SCDMA and CDMA2000 1x dual-mode wireless video transmission[J]. Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition), 2010, 0(1) |
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| Authors: | TIAN Zeng-shan LI Qian-jie HE Wei ZHANG Qin |
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| Affiliation: | Key Lab of Mobile Communication Technology;Chongqing University Posts and Telecommunication;Chongqing 400065;P.R.China |
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| Abstract: | For solving the problem of the solution framing error phenomenon caused by asynchronous receiver of time delay differences when dual-mode wireless video are transmitted and the scheduling problems caused by the inconsistence of dual-mode network bandwidth,this paper presents an effective method to improve dual-mode wireless video transmission of TD-SCDMA and CDMA2000 1x.The method includes signing flag on initial terminal for pack preconditioning and combining synchronously on receiving end.At the same tine... |
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| Keywords: | dual-mode wireless video transmission TD-SCDMA CDMA2000 1x dispatching algorithm |
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