Results 41 to 50 of about 595,487 (209)

Complexity of statistical attacks on QC‐LDPC code‐based cryptosystems [PDF]

IET Information Security, 2020
Public‐key cryptosystems built on quasi‐cyclic (QC) low‐density parity‐check and moderate‐density parity‐check codes are promising candidates for post‐quantum cryptography, since they are characterised by compact keys and high algorithmic efficiency. The main issue with this kind of system is represented by the fact that, since the decoding procedure ...
Paolo Santini, Marco Baldi, Franco Chiaraluce   +2 more
openaire   +3 more sources

Construction of regular quasi-cyclic protograph LDPC codes based on Vandermonde matrices

, 2008
In this contribution, we investigate the attainable performance of quasi-cyclic (QC) protograph Low-Density Parity-Check (LDPC) codes for transmission over both Additive White Gaussian Noise (AWGN) and uncorrelated Rayleigh channels.
Sheng Chen, Chen, Sheng, Nicholas Bonello, Bonello, Nicholas, L. Hanzo, Hanzo, Lajos   +5 more
core   +1 more source

A Decoding Algorithm for LDPC Codes Over Erasure Channels with Sporadic Errors [PDF]

, 2010
An efficient decoding algorithm for low-density parity-check (LDPC) codes on erasure channels with sporadic errors (i.e., binary error-and-erasure channels with error probability much smaller than the erasure probability) is proposed and its performance ...
Paolini, Enrico, G. Liva, Balazs Matuz, B. Matuz, Marco Chiani, Liva, Gianluigi, Chiani, Marco, Matuz, Balazs, Gianluigi Liva, Enrico Paolini   +9 more
core   +1 more source

Performance Simulation of a Layered QC-LDPC Decoder for URLLC Applications [PDF]

EPJ Web of Conferences
This research investigates the simulation performance of a layered Quasi-Cyclic Low-Density Parity-Check (QC-LDPC) decoder intended for Ultra-Reliable Low-Latency Communication (URLLC) applications in 5G New-Radio (NR) standards.
Mejmaa Bilal, Aqil Chakir, Akharraz Ismail, Ahaitouf Abdelaziz   +3 more
doaj   +1 more source

An Efficient Construction Method for Quasi-Cyclic Low Density Parity Check Codes

IEEE Access, 2017
In this paper, we propose an optimized belief propagation (OBP) based progressive edge-growth (PEG) method for constructing quasi-cyclic low density parity check (QC-LDPC) codes. In this proposed method, Tanner graphs are built by progressively appending
Yiming Lei, Mingke Dong
doaj   +1 more source

Analisis Kinerja Jaringan 5G dengan Pengkodean QC-LDPC dan Polar

Jurnal Elkomika
ABSTRAK Jaringan 5G telah menjadi penanda penting dalam evolusi teknologi nirkabel yang menawarkan kecepatan dan kinerja yang luar biasa untuk memenuhi kebutuhan konektivitas yang semakin meningkat.
RENI DYAH WAHYUNINGRUM, MELINDA BR GINTING, KHOIRUN NI’AMAH, SOLICHAH LARASATI   +3 more
doaj   +1 more source

Concatenated Turbo/LDPC codes for deep space communications: performance and implementation [PDF]

, 2013
Deep space communications require error correction codes able to reach extremely low bit-error-rates, possibly with a steep waterfall region and without error floor. Several schemes have been proposed in the literature to achieve these goals.
Condo, Carlo
core  

Adaptive Offset Min‐Sum Decoder for 5G‐NR BG2 LDPC Codes Using Genetic Algorithm

Applied Computational Intelligence and Soft Computing, Volume 2026, Issue 1, 2026.
This paper proposes a more efficient resource‐constrained decoding algorithm for Adaptive Offset Min‐Sum (A‐OMS) low‐density parity check (LDPC) optimized decoder parameters in fifth‐generation New Radio (5G‐NR) Base Graph 2 codes (BG2). To curb the challenge of observing the all‐time finest offset to use the irregular BG2 structure, a genetic ...
Anwer Sabah Ahmed, Yousif Jawad Kadhim Nukhailawi, Heyam A. Marzog, Marwa Jaleel Mohsin, Pramita Mishra   +4 more
wiley   +1 more source

A Note on the Girth of (3, 19)-Regular Tanner’s Quasi-Cyclic LDPC Codes

IEEE Access, 2021
In this article, we study the cycle structure of (3, 19)-regular Tanner’s quasi-cyclic (QC) LDPC codes with code length $19p$ , where $p$ is a prime and $p\equiv 1~(\bmod ~57)$ , and transform the conditions for the existence of cycles of ...
Manjie Zhou, Hai Zhu, Hengzhou Xu, Bo Zhang, Kaixuan Xie   +4 more
doaj   +1 more source

Classical channel bandwidth requirements in continuous variable quantum key distribution systems

IET Quantum Communication, Volume 5, Issue 4, Page 601-611, December 2024.
The reconciliation method for continuous variable quantum key distribution (CV‐QKD) systems is usually chosen based on its reconciliation efficiency. Nonetheless, one must also consider the requirements of each reconciliation method in terms of the amount of information transmitted on the classical channel. Such may limit the achievable key rates.
Margarida Almeida, Daniel Pereira, Armando N. Pinto, Nuno A. Silva   +3 more
wiley   +1 more source