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Network coding not only improves TCP performance in lossy wireless multi-hop networks, but also changes other features of the TCP protocol such as the evolutionary process of the congestion window, which raises new issues about rate control, fairness etc. This paper analyzes the evolutionary process of network coded TCP against lossy links and error correcting coding. Ignoring the slow start phase,...
This paper presents a frame for classifying polarimetric synthetic aperture radar (PolSAR) data. The frame is based on the combination of wavelet polarization information, textons, and sparse coding. Polarimetric synthesis unites with the discrete wavelet frame to obtain wavelet polarization variance through the calculation of the wavelet variance in the space of polarization states. The K-means cluster...
An IP camera based on TI's DaVinci DSP-TMS320DM6437 is developed in this paper. An intelligent video surveillance system is established using the designed IP camera. The real-time capture of the video is implemented in the system as well as the compression coding of the video using H.264 and the transmission of the encoded video through network. In the section of network communication, the performance...
Real-time multimedia transport has stringent QoS requirements, such as bandwidth, delay, jitter, and loss ratio. Wireless sensor networks are useful for streaming multimedia data in infrastructure-free and hazardous environments. However, these networks are composed of nodes with constrained bandwidth and energy. In QoS routing for wired networks, multipath routing is widely used. Some existing ad...
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