We propose a progressive pseudo-analog video transmission scheme which simultaneously handles SNR and bandwidth variations with graceful quality degradation for mobile video streaming. With the inherited SNR-adaptability from pseudo-analog transmission, the proposed progressive solution acquires bandwidth-adaptability through an innovative scheduling algorithm with optimal power allocation. The basic idea is to aggressively transmit or re-transmit important coefficients so that distortion is minimized at the receiver after each received packet. We derive the closed-form expression of reduced distortion for each packet under given transmission power and known channel conditions, and show that the optimal solution can be obtained with a water-filling algorithm. We also illustrate through analyses and simulations that a near-optimal solution can be found through approximation when only statistical channel information is available. Simulations show that our solution approaches the performance upper bound of pseudo-analog transmission in an AWGN channel and significantly outperforms existing pseudoanalog solutions in a fast Rayleigh fading channel. Trace-driven emulations are also carried out to demonstrate the advantage of the proposed solution over the state-of-the-art digital and pseudoanalog solutions under a real dramatically varying wireless environment. <\/p>\n
Progressive Pseudo-Analog Transmission for Mobile Video Streaming. Available from: https:\/\/www.researchgate.net\/publication\/315587257_Progressive_Pseudo-Analog_Transmission_for_Mobile_Video_Streaming [accessed Jan 03 2018].<\/p>\n","protected":false},"excerpt":{"rendered":"
We propose a progressive pseudo-analog video transmission scheme which simultaneously handles SNR and bandwidth variations with graceful quality degradation for mobile video streaming. With the inherited SNR-adaptability from pseudo-analog transmission, the proposed progressive solution acquires bandwidth-adaptability through an innovative scheduling algorithm with optimal power allocation. The basic idea is to aggressively transmit or re-transmit important […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"footnotes":""},"msr-content-type":[3],"msr-research-highlight":[],"research-area":[13551],"msr-publication-type":[193715],"msr-product-type":[],"msr-focus-area":[],"msr-platform":[],"msr-download-source":[],"msr-locale":[268875],"msr-field-of-study":[],"msr-conference":[],"msr-journal":[],"msr-impact-theme":[],"msr-pillar":[],"class_list":["post-381044","msr-research-item","type-msr-research-item","status-publish","hentry","msr-research-area-graphics-and-multimedia","msr-locale-en_us"],"msr_publishername":"IEEE \u2013 Institute of Electrical and Electronics Engineers","msr_edition":"IEEE Transactions on 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