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To ensure the reliability of distributed storage systems, we studied network bandwidth-aware multiple fault tolerant erasure codes. A flat XOR code is one of the sparse graph codes designed for distributed storage systems. It encodes and decodes data by exclusive OR (XOR) operation with low complexity. However, conventional construction methods of flat XOR codes are not optimal in terms of repair...
This paper introduces a FireFort-LDGM (FF-LDGM) code that is part of ISO/IEC 23008-10 (MMT AL-FEC codes) and its application to robust Ultra High Definition (UHD) video transmission. It is especially useful for UHD real-time video streaming because that it can easily handle contiguous streams containing over several thousand packets. Simulation results show its high error recovery performance with...
In this paper we propose a method of constructing packet-level LDGM codes that offer backward compatibility with conventional viewing devices. Our proposed method makes it possible to watch content even if the viewer does not support any FEC module. Moreover, the method also improves the coding efficiency through the combined use of packet division and interleaving methods. In general, there is a...
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