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The letter introduces random linear network coding (RLNC) based cooperative diversity transmission scheme to guarantee reliable wireless video streaming transmission. For Rayleigh block fading channel, RLNC assisted direct communication method increases packet reliability at high signal-to-noise ratio (SNR). Whereas, cooperative relay transmission achieves diversity gain through cooperative protocols at low SNR. So we merge packet-level RLNC encoding with signal-level cooperative diversity and establish the model to minimize the cost of proposed transmission scheme. According to the quality of service (QoS) requirements of wireless video streaming, numerical results show that the proposed design decreases packet error rate (PER) and end-toend delay significantly. Keywords-cooperative diversity; random linear network coding; block fading channel; video streaming

Joint Cooperative Diversity and Network Coding for Wireless Video Streaming