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CQI FEEDBACK MECHANISMS FOR DISTORTION-AWARE LINK ADAPTATION TOWARD ENHANCED MULTIMEDIA COMMUNICATIONS
CQI FEEDBACK MECHANISMS FOR DISTORTION-AWARE LINK ADAPTATION TOWARD ENHANCED MULTIMEDIA COMMUNICATIONS
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机译:面向增强型多媒体通信的失真感知链接自适应的CQI反馈机制
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摘要
Link adaptation parameters for encoding of a source are selected to minimize distortion between the source and a reconstructed source induced by transmission of the source over a multiple input multiple output (MIMO) channel. Such distortion-awareness and associated joint source-channel coding ideas to support link adaptation over MIMO channels may affect system architectures for MIMO systems. CQI feedback mechanisms may ensure that these distortion-aware MIMO link adaptation techniques are applicable for downlink channels, under different forms of link adaptation, including MS-controlled vs. BS-controlled link adaptation, long-term vs. dynamic link adaptation, and presence vs. absence of distortion-awareness at the BS, for different kinds of video coding including single-layer compression and layered compression.
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