Results 181 to 190 of about 8,172 (227)

Efficient FPGA implementation of polar codes-based information reconciliation for quantum key distribution. [PDF]

Sci Rep
Liao L, Wu X, Chen Y, Fan X, Tian Z, Huang J, Mu T, Guo J, Liu M, Liu B, Sun S.   +10 more
europepmc   +1 more source

Advanced channel estimation in OTFS and NOMA using deep bayesian gaussian processes and compressive sensing. [PDF]

Sci Rep
Anilkumar N, Sengan S.
europepmc   +1 more source

Designand Implementation of a Novel Wideband HF Communication System Based on NC-OFDM and Probabilistic Shaping. [PDF]

Sensors (Basel)
Yang R, Bai Y, Hu Z.
europepmc   +1 more source

Real-Time Decoder Architecture for LDPC-CPM. [PDF]

Entropy (Basel)
Perrins E.
europepmc   +1 more source

Quasi-cyclic generalized ldpc codes with low error floors

IEEE Transactions on Communications, 2008
In this paper, a novel methodology for designing structured generalized LDPC (G-LDPC) codes is presented. The proposed design results in quasi-cyclic G-LDPC codes for which efficient encoding is feasible through shift-register-based circuits.
Gianluigi Liva, W E Ryan, Marco Chiani   +2 more
exaly   +2 more sources

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Irregular LDPC codes as concatenation of regular LDPC codes

IEEE Communications Letters, 2005
In this letter, the construction of irregular LDPC codes obtained by concatenating regular ones is considered. These codes are analyzed for the binary symmetric channel (BSC). It is shown via proper distribution evolution that such concatenated codes have in general a threshold value weaker (but not necessarily much different) than their unconstrained ...
Marc P. C. Fossorier, Nenad Miladinovic
openaire   +1 more source

Overview of LDPC Codes

7th IEEE International Conference on Computer and Information Technology (CIT 2007), 2007
In light of the history of LDPC codes and relevant research advances in recent years, this paper probes into the encoding and decoding techniques related to this capacity-approaching error-correction technology. Besides the general expression as an equation, LDPC codes can also be examined with a Tanner graph.
Zongjie Tu, Shiyong Zhang
openaire   +1 more source

The rate of regular LDPC codes

IEEE International Symposium on Information Theory, 2003. Proceedings., 2003
Summary: We find the rate of a typical code from the regular low-density parity-check (LDPC) ensemble. We then show that the rate of a code from the ensemble converges to the design rate in quadratic mean and almost surely.
G. Miller, Gérard D. Cohen
openaire   +2 more sources

An Improvement on LDPC Coded Queued Codes

IEEE GLOBECOM 2008 - 2008 IEEE Global Telecommunications Conference, 2008
The queued-code based on low-density parity-check (LDPC) codes, which exploit both the near Shannon-limit performance LDPC codes and the instantaneous channel state information (CSI), can provide excellent performance in the block fading channels. The existing work utilized the conventional random puncturing and repetition operation, which may lead to ...
Ming Jiang 0012, Chunming Zhao 0001, Enyang Xu, Xiaoqun Gong   +3 more
openaire   +1 more source