WoS İndeksli Yayınlar Koleksiyonu

Permanent URI for this collectionhttps://hdl.handle.net/20.500.12416/8653

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Fast decodable turbo codes
(Ieee-inst Electrical Electronics Engineers inc, 2007) Gazi, Orhan; Gazi, Orhan; Yilmaz, A. Ozgar; 102896; 111575
Decoding 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 codes.
Turbo product codes based on convolutional codes
(Wiley, 2006) Gazi, Orhan; Gazi, Orhan; Yilmaz, Ali Ozgur; 102896; 111575
In this article, we introduce a new class of product codes based 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.
Zero state doped turbo equalizer
(Ieee-inst Electrical Electronics Engineers inc, 2007) Gazi, Orhan; Gazi, Orhan; Yilmaz, A. Ozgur; 102896; 111575
Although 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.

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