34 Result(s)

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  1. No Access

    Chapter

    Video over Femto CR Networks

    Due to the use of open space as transmission medium, capacity of wireless networks is usually limited by interference. When a mobile user moves away from the base station, a considerably larger transmit power ...

    Shiwen Mao in Video over Cognitive Radio Networks (2014)

  2. No Access

    Chapter

    Big Data Generation and Acquisition

    We have introduced several key technologies related to big data, i.e., cloud computing, IoT, data center, and Hadoop. Next, we will focus on the value chain of big data, which can be generally divided into fou...

    Min Chen, Shiwen Mao, Yin Zhang, Victor C. M. Leung in Big Data (2014)

  3. No Access

    Chapter

    Video over Cooperative CR Networks

    Cognitive radios (CR) provide an effective solution to meeting this critical demand, by exploiting co-deployed networks and sharing underutilized spectrum [12, 38].

    Shiwen Mao in Video over Cognitive Radio Networks (2014)

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    Chapter

    Video over Multi-hop CR Networks

    In this chapter, we study the more challenging problem of video over multi-hop CR networks. As illustrated in Fig. 5.1, we consider an infrastructureless multi-hop CR network co-located with one or more fixed pri...

    Shiwen Mao in Video over Cognitive Radio Networks (2014)

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    Chapter

    Big Data Storage

    In this chapter, we focus on the storage of big data. We will review important issues including massive storage systems, distributed storage systems, and big data storage mechanisms. On one hand, the storage i...

    Min Chen, Shiwen Mao, Yin Zhang, Victor C. M. Leung in Big Data (2014)

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    Chapter

    Big Data Applications

    In the previous chapter, we examined big data analysis, which is the final and most important phase of the value chain of big data. Big data analysis can provide useful values via judgments, recommendations, s...

    Min Chen, Shiwen Mao, Yin Zhang, Victor C. M. Leung in Big Data (2014)

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    Chapter and Conference Paper

    Virtual Infrastructure Management Framework for Cloud Computing

    In this paper, we presented challenges involved in computational biology applications where enormous computing power and storage is required. In this context, we presented virtual infrastructure management fra...

    Guang He, KaiTian Chen, XuXiang Chen in Proceedings of the 2nd International Confe… (2013)

  8. No Access

    Chapter and Conference Paper

    Downlink Power Allocation for Stored Variable-Bit-Rate Videos

    In this paper, we study the problem of power allocation for streaming multiple variable-bit-rate (VBR) videos in the downlink of a cellular network. We consider a deterministic model for VBR video traffic and ...

    Yingsong Huang, Shiwen Mao, Yihan Li in Quality, Reliability, Security and Robustn… (2012)

  9. Article

    Advances In Wireless Test beds and Research Infrastructures

    Miguel Ponce de Leon, Shiwen Mao, Frank Steuer in Mobile Networks and Applications (2010)

  10. No Access

    Article

    Utility Function Selection for Streaming Videos with a Cognitive Engine Testbed

    Cognitive Radio (CR) is a new wireless communication and networking paradigm that is enabled by the Software Defined Radio (SDR) technology and the recent change in spectrum regulation policy. As the first com...

    Youping Zhao, Shiwen Mao, Jeffrey H. Reed in Mobile Networks and Applications (2010)

  11. No Access

    Book and Conference Proceedings

    Ad Hoc Networks

    Ad Hoc Networks

    First International Conference, ADHOCNETS 2009, Niagara Falls, Ontario, Canada, September 22-25, 2009. Revised Selected Papers

    Jun Zheng, Shiwen Mao, Scott F. Midkiff, Hua Zhu in Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering (2010)

  12. No Access

    Article

    Directional Controlled Fusion in Wireless Sensor Networks

    Though data redundancy can be eliminated at aggregation point to reduce the amount of sensory data transmission, it introduces new challenges due to multiple flows competing for the limited bandwidth in the vi...

    Min Chen, Victor C. M. Leung, Shiwen Mao in Mobile Networks and Applications (2009)

  13. No Access

    Article

    A Cross-layer Approach to Channel Assignment in Wireless Ad Hoc Networks

    To improve the capacity of wireless ad hoc networks by exploiting multiple available channels, we propose a distributed channel assignment protocol that is based on a cross-layer approach. By combining channel...

    Michelle X. Gong, Scott F. Midkiff, Shiwen Mao in Mobile Networks and Applications (2007)

  14. No Access

    Article

    Multiple Description Video Multicast in Wireless Ad Hoc Networks

    Multiple description (MD) coding is a new video coding technique that is uniquely suitable for video transport over wireless ad hoc networks. In this paper, we consider the problem of how to support video mult...

    Shiwen Mao, Xiaolin Cheng, Y. Thomas Hou in Mobile Networks and Applications (2006)

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