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Non-Binary LDPC codes are nowadays considered as a potential competitor of both binary LDPC and convolutional Turbo Codes, mainly when codes with short and moderate codeword lengths are used. However, the Non-Binary nature of these codes makes their decoding process suffers from high computational complexity. This paper deals with the reduction of this computational complexity at the Check Node level...
Distributed video coding (DVC) technology is investigated and payed more and more attentions in wireless video applications because of characteristics of its encoder with low-complexity and decoder with high-complexity. Its coding types can be sorted the key and Wyner-Ziv frames, key frames are with conventional intra-coding mode, Wyner-Ziv frames are coded by an encoder that is composed of quantizer...
This paper studies efficient complex valued matrix manipulations for multi-user STBC-MIMO decoding. A novel method called Alamouti blockwise analytical matrix inversion (ABAMI) is proposed for the inversion of large complex matrices that are based on Alamouti sub-blocks. Another method using a variant of Givens rotation is proposed for fast QR decomposition of this kind of matrices. Our solutions...
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