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Browsing by Author "Yilmaz, A. Oezguer"

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    Article
    Citation - WoS: 7
    Citation - Scopus: 8
    Collision free row column s-random interleaver
    (Ieee-inst Electrical Electronics Engineers inc, 2009) Gazi, Orhan; Gazi, Orhan; Yilmaz, A. Oezguer; 102896; Elektronik ve Haberleşme Mühendisliği
    Parallel decodable turbo codes (PDTCs) are suitable for concurrent decoding and hence have low latency. Memory collision issue is an important problem met during parallel processing. In this article, we propose a collision free interleaver for parallel processing operations. The performance of PDTCs is analyzed with the proposed random interleaver preventing the memory collision problem. Distance spectra of PDTCs with the proposed interleaves are computed and compared to those with S-random interleaver.
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    Conference Object
    Citation - WoS: 0
    Citation - Scopus: 3
    On Parallelized Serially Concatenated Codes
    (Ieee, 2007) Gazi, Orhan; Yilmaz, A. Oezguer; Elektronik ve Haberleşme Mühendisliği
    Serial concatenated codes show very good performance at low signal to noise ratios. However, large decoding delays due to long input frame lengths constitute a major disadvantage for these type of codes. In this study we introduce a new class of concatenated convolutional codes which are very suitable for parallel decoding, thus have much less decoding delays and also show comparable performance to that of classical serial concatenated convolutional codes. The analytical upper bound expressions for performance of the proposed structures are derived using the uniform interleaver concept.