Mühendislik Fakültesi
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Browsing Mühendislik Fakültesi by Author "111575"
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Article Citation Count: Gazi, O., Yılmaz, A.Ö. (2007). Fast decodable turbo codes. IEEE Communications Letters, 11(2), 173-175. http://dx.doi.org/10.1109/LCOMM.2007.061528Fast decodable turbo codes(IEEE-Inst Electrical Electronics Engineers Inc, 2007) Gazi, Orhan; Yılmaz, Ali Özgür; 102896; 111575Decoding delay is an important consideration for the use of turbo codes in practical applications. We propose a new structure for turbo codes which is very suitable for parallel decoding. It is shown by union bound analysis and simulation results that the proposed system performance is comparable to that of the classical turbo codesArticle Citation Count: Gazi, O., Yılmaz, A.O., (2006). Turbo product codes based on convolutional codes. Etri Journal, 28(4), 453-460. http://dx.doi.org/10.4218/etrij.06.0105.0187Turbo product codes based on convolutional codes(Electronics Telecommunications Research Inst, 2006) Gazi, Orhan; Yılmaz, Ali Özgür; 102896; 111575In this article, we introduce a new class of product codesbased on convolutional codes, called convolutional product codes. The structure of product codes enables parallel decoding, which can significantly increase decoder speed in practice. The use of convolutional codes in a product code setting makes it possible to use the vast knowledge base for convolutional codes as well as their flexibility in fast parallel decoders. Just as in turbo codes, interleaving turns out to be critical for the performance of convolutional product codes. The practical decoding advantages over serially-concatenated convolutional codes are emphasized.Article Citation Count: Gazi, O., Yılmaz, A.Ö. (2007). Zero state doped turbo equalizer. IEEE Communications Letters, 11(2), 164-166. http://dx.doi.org/10.1109/LCOMM.2007.061442Zero state doped turbo equalizer(IEEE-Inst Electrical Electronics Engineers Inc, 2007) Gazi, Orhan; Yılmaz, Ali Özgür; 102896; 111575Although iterative equalizers perform well at low signal to noise ratios, high latency is a major disadvantage for their use in practical communication systems. In this article we propose zero state doped turbo equalizers (ZSDTEs) which can be processed in parallel and have significantly reduced processing delays. The proposed technique shows better performance when compared to the sliding window method
