Results 111 to 120 of about 4,741 (155)
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Turbo-like codes for the block-fading channel
International Symposium onInformation Theory, 2004. ISIT 2004. Proceedings., 2004We consider the coded modulation family of block-wise concatenated codes (BCC). The blocks are separately interleaved and fed to binary inner encoders. Finally, the output of each component inner code is mapped onto a sequence of signal components by the modulator mapping.
Albert Guillen i Fabregas +1 more
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Turbo block codes for the binary adder channel
Proceedings. International Symposium on Information Theory, 2005. ISIT 2005., 2005A novel coding scheme for collaborative coding multiple access is introduced for practical application, which permits improving performance with the use of turbo ...
Maria de Lourdes M. G. Alcoforado +2 more
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Layered Coding with Block Turbo Code for Broadcasting and Multicasting Services
IEEE Vehicular Technology Conference, 2006This paper presents an efficient layered coding scheme using block turbo codes for multimedia broadcasting and multicasting services (MBMS). Because of unidirectional nature of MBMS, we cannot use adaptive coding and modulation schemes using channel quality information from a return link.
Sunheui Ryoo, Sooyoung Kim, Do-Seob Ahn
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Near-optimum decoding of product codes: block turbo codes
IEEE Transactions on Communications, 1998Summary: This paper describes an iterative decoding algorithm for any product code built using linear block codes. It is based on soft-input/soft-output decoders for decoding the component codes so that near-optimum performance is obtained at each iteration.
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Laminated turbo codes: A new class of block-convolutional codes
IEEE Transactions on Information Theory, 2008In this paper, a new class of codes is presented that features a block-convolutional structure-namely, laminated turbo codes. It allows combining the advantages of both a convolutional encoder memory and a block permutor, thus allowing a block-oriented decoding method.
Axel Huebner +2 more
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Turbo decoding of linear block codes
2001 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (IEEE Cat. No.01CH37233), 2002Turbo codes, due to their novel coding and decoding technique and remarkable performance, have attracted considerable interest since 1993. We consider how to use the turbo decoding principle to decode a general linear block code. We present two decoding strategies, and give an open problem.
null Dian-Wu Yue, E. Shwedyk
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Turbo code performance as a function of code block size
Proceedings. 1998 IEEE International Symposium on Information Theory (Cat. No.98CH36252), 2002We show that a single family of turbo codes is "nearly perfect" with respect to Shannon's (1959) sphere-packing bound, over a wide range of code rates and block sizes. We also assess the "imperfectness" of various non-turbo codes for comparison,.
S. Dolinar, D. Divsalar, F. Pollara
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Iterative Decoding With a Hamming Threshold for Block Turbo Codes
IEEE Communications Letters, 2004This work introduces a novel approach to increase the performance of block turbo codes (BTCs). The idea is based on using a Hamming threshold to limit the search for the maximum-likelihood (ML) codeword within only those codewords that lie within this threshold. The proposed iterative decoding approach is shown to offer both significant coding gain and
Ashraf Mahran, Mohammed Benaissa
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Interleaver design for short block length turbo codes
2000 IEEE International Conference on Communications. ICC 2000. Global Convergence Through Communications. Conference Record, 2002The performance of a turbo code with short block length depends critically on the interleaver design. There are two major criteria in the design of an interleaver: the distance spectrum of the code and the correlation between the information input data and the soft output of each decoder corresponding to its parity bits.
Hamid R. Sadjadpour +3 more
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Efficient architecture for Reed Solomon block turbo code
2006 IEEE International Symposium on Circuits and Systems, 2006Reed-Solomon codes are block-based error correcting codes with a wide range of applications in digital communications and storage. Recently, block turbo codes using Reed-Solomon component codes have been introduced. This was motivated by the highest code rate property of Reed-Solomon codes and their efficiency for burst error correction.
Piriou, Erwan +4 more
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