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Video streaming is challenging in wireless networks due to the high loss rate and limited bandwidth. In video sequences, different part has different importance for reconstruction. Based on H.264 error resilient tool of datapartitioning, we apply UEP (Unequal Error Protection) to different data partitions. RS (Reed Solomon) coding is used for data partition A, whereas simple repeat-packet coding for...
This paper presents a receiver-driven video delivery algorithm that exploits a novel Randomized Network Coding (RNC) scheme for unequal error protection (UEP). The main idea of our approach is to account for the unequal importance of media packets in the network coding algorithm for efficient stream delivery in lossy overlay networks. Based on the requests from their neighbours, the network nodes...
In this paper a new reliable and low-latency video-on-demand (VOD) broadcasting protocol is proposed. Most existing VOD broadcasting protocols have no protection against frame loss. In order to acquire loss-resiliency, we encode each segment of a partitioned video with an unequal error protection (UEP) rateless code. Using this error correction encoding scheme beside gaining error resiliency, the...
Some communication applications, like multimedia, deliver data of different importance classes allowing unequal error protection (UEP) levels. In this paper, a multiple-input multiple-output (MIMO) system using orthogonal frequency division multiplexing (OFDM) is considered with a new UEP bit-loading algorithm based on the non-UEP algorithm by Chow, Cioffi, and Bingham. In the proposed bit-loading...
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