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移动互联网业务的发展因素和趋势分析 被引量:11
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作者 董秀青 胡磊国 《移动通信》 2012年第17期25-30,共6页
文章分析了移动互联网业务的源起,结合时间和产品形态维度分析移动终端业务发展的三个阶段,并从网络基础设施和移动终端能力的发展,以及业务新技术的应用等角度揭示移动业务发展的推动因素,提出并阐述了移动互联网业务的两个发展趋势:一... 文章分析了移动互联网业务的源起,结合时间和产品形态维度分析移动终端业务发展的三个阶段,并从网络基础设施和移动终端能力的发展,以及业务新技术的应用等角度揭示移动业务发展的推动因素,提出并阐述了移动互联网业务的两个发展趋势:一是Web App与Native App将长期并存;二是开发者将依托业务能力开放平台,快速开发、创造更多移动互联网业务。 展开更多
关键词 移动互联网业务 网络基础设施 移动终端能力 WEB APP 能力开放平台
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Improving Low Bitrate Video Coding via Computation Incorporating A Priori Information 被引量:2
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作者 Tao Xiaoming Dong Linhao +3 位作者 Li Shaoyang Li Yang Ge Ning Lu Jianhua 《China Communications》 SCIE CSCD 2015年第9期22-34,共13页
The growing number of mobile users, as well as the diversification in types of services have resulted in increasing demands for wireless network bandwidth in recent years. Although evolving transmission techniques are... The growing number of mobile users, as well as the diversification in types of services have resulted in increasing demands for wireless network bandwidth in recent years. Although evolving transmission techniques are able to enlarge the network capacity to some degree, they still cannot satisfy the requirements of mobile users. Meanwhile, following Moore's Law, the data processing capabilities of mobile user terminals are continuously improving. In this paper, we explore possible methods of trading strong computational power at wireless terminals for transmission efficiency of communications. Taking the specific scenario of wireless video conversation, we propose a model-based video coding scheme by learning the structures in multimedia contents. Benefiting from both strong computing capability and pre-learned model priors, only low-dimensional parameters need to be transmitted; and the intact multimedia contents can also be reconstructed at the receivers in real-time. Experiment results indicate that, compared to conventional video codecs, the proposed scheme significantly reduces the data rate with the aid of computational capability at wireless terminals. 展开更多
关键词 computational communications a priori information bandwidth-limited wireless communications model-based video coding
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