Results 211 to 220 of about 249,251 (264)

A Queued-Code Based on LDPC Block Codes

IEEE GLOBECOM 2007-2007 IEEE Global Telecommunications Conference, 2007
A 'queued-code' is a novel code which allows for instantaneous rate adaptation, to match the current channel state information (CSI), assumed known to the transmitter. Previously, information theoretic codes were analyzed in the regime of large delay bounds.
Satashu Goel, Rohit Negi
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On the code distance of a woven block code construction

2017 IEEE International Symposium on Information Theory (ISIT), 2017
In this paper we propose a woven block code construction based on two convolutional outer codes and a single inner code. We proved lower and upper bounds on this construction's code distance. The lower bound is shown to be higher than the product of the free distances of inner and outer constituent codes.
Igor V. Zhilin, Alexey Kreshchuk, Victor V. Zyablov   +2 more
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Speech coding using efficient block codes

ICASSP '82. IEEE International Conference on Acoustics, Speech, and Signal Processing, 2005
Digital coders invariably introduce errors into analog signals such as speech. The importance of adjusting the spectrum of the error so as to minimize the subjective distortion is now well recognized. The optimum noise spectrum for minimum subjective distortion is in general non-flat.
Manfred R. Schroeder, Bishnu S. Atal
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On the Coding Gain of Linear Binary Block Codes

IEEE Transactions on Communications, 1984
The coding gain of linear binary block codes on the AWGN channel is studied. Antipodal signaling and hard decision demodulation are assumed. Simple asymptotic expressions for the gain at high and low energy to noise spectral density ratios are derived. Monotonicity of the coding gain is also discussed.
Vladan M. Jovanovic, Srdjan Z. Budisin
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Trellis Coded Block Codes: Design and Applications

Journal of Communications, 2012
This paper presents a new family of block codes referred to as Trellis Coded Block (TCB) codes, which are built using a trellis code and a linear block code (LBC). The TCB code (TCBC) construction is based on an algebraic structure inherent to many LBCs, which allows one to partition an LBC into sub-sets with a constant distance between every pair of ...
Ganesan Thiagarajan, Chandra R. Murthy
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On the rectangularity of nonlinear block codes

IEEE Transactions on Information Theory, 1999
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Vladimir Sidorenko, Ian Martin, Bahram Honary   +2 more
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The ABCs of linear block codes

IEEE Signal Processing Magazine, 2004
The basic principles of block codes are presented with illustrations to visualize the concepts of vector spaces and subspaces. Intuitive explanations of goals, capabilities, and limitations of codes are offered. An important subclass of block codes called cyclic codes is examined.
Bernard Sklar, Fred Harris
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On multilevel block modulation codes

IEEE Transactions on Information Theory, 1991
The multilevel technique for combining block coding and modulation is investigated. A general formulation is presented for multilevel modulation codes in terms of component codes with appropriate distance measures. A specific method for constructing multilevel block modulation codes with interdependency among component codes is proposed.
Tadao Kasami, Toyoo Takata, Toru Fujiwara, Shu Lin 0001   +3 more
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On variable-length-to-block coding

IEEE Transactions on Information Theory, 1972
Variable-length-to-block codes are a generalization of run-length codes. A coding theorem is first proved. When the codes are used to transmit information from fixed-rate sources through fixed-rate noiseless channels, buffer overflow results. The latter phenomenon is an important consideration in the retrieval of compressed data from storage.
Frederick Jelinek, Kenneth S. Schneider
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Sliding block implementation of block codes (Corresp.)

IEEE Transactions on Information Theory, 1979
A sliding block encoding scheme easily derivable from block encoding is presented. It is shown to perform arbitrarily close to the rate distortion function when the source is stationary and memoryless.
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