Results 51 to 60 of about 2,627 (180)

Equivalent-Capacity-Based Design of Space-Time Block-Coded Sphere-Packing-Aided Multilevel Coding [PDF]

, 2007
A multilevel coding (MLC) scheme invoking sphere packing (SP) modulation combined with space time block coding (STBC) is designed. The coding rates of each of the MLC component codes are determined using the so-called equivalent capacity based ...
Ng, S.X., Alamri, O., S. X. Ng, Tee, R.Y.S., R. Y. S. Tee, O. Alamri, L. Hanzo, Hanzo, L.   +7 more
core   +1 more source

Dynamic Continuous Variable Quantum Key Distribution for Securing a Future Global Quantum Network

Advanced Quantum Technologies, Volume 8, Issue 10, October 2025.
The article explores securing a dynamic global quantum network using continuous variable QKD, proposing a unified three‐layer network architecture for integrating existing QKD networks. It evaluates secret key rates across various channels and introduces the link capacity as a metric for determining the optimum path for secret key distribution in a ...
Mikhael T. Sayat, Sebastian P. Kish, Ping Koy Lam, Nicholas J. Rattenbury, John E. Cater   +4 more
wiley   +1 more source

Spatially Coupled Generalized Low-Density Parity-Check Codes Over Class-A Impulsive Noise Channels

IEEE Access, 2019
In this paper, a class of spatially coupled generalized low-density parity-check (SC-GLDPC) codes with minimum coupling width is introduced to mitigate the Class-A impulsive noise. Codes with minimum coupling width are beneficial to simple code structure,
Ping Wang, Liuguo Yin, Jianhua Lu
doaj   +1 more source

QMM‐Enhanced Error Correction: Demonstrating Reversible Imprinting and Retrieval for Robust Quantum Computation

Advanced Quantum Technologies, Volume 8, Issue 9, September 2025.
Hardware experiments show a single‐layer Quantum Memory Matrix booster cuts logical error sixfold and, when prepended to a [3,1,3]$[3,1,3]$ repetition code, attains 94 % logical fidelity without extra CX gates. QMM dressing also lowers variational‐training loss by 35 %, offering a measurement‐free, resource‐light route to error suppression on NISQ ...
Florian Neukart, Eike Marx, Valerii Vinokur, Jeff Titus   +3 more
wiley   +1 more source

Low-Complexity High-Performance Low-Density Parity-Check Encoder Design for China Digital Radio Standard

IEEE Access, 2017
This paper proposes a novel encoder architecture of low-density parity-check (LDPC) generator matrix in frequency modulation-China digital radio (CDR), which was promulgated in August 2013.
Dongying Chen, Pingping Chen, Yi Fang
doaj   +1 more source

Symbol detection aided channel prediction in fast‐varying massive MIMO systems: Framework and performance analysis

IET Communications, Volume 19, Issue 1, January/December 2025.
The transmission structure is designed to obtain the accurate channel state information in time‐varying environment. On this basis, communication performance of multiple‐input multiple‐output system is improved by symbol detection aided channel prediction.
Wei Gao, Junqiang Xiao, Chuan Liu, Wei Peng   +3 more
wiley   +1 more source

5G‐coded fluid antenna multiple access over block fading channels

Electronics Letters, Volume 61, Issue 1, January/December 2025.
This letter investigates the use of 5G New Radio (NR) Modulation Coding Scheme (MCS) for FAMA systems to improve its connectivity over block fading channels. In particular, we propose an iterative decoding receiver with iterative interference covariance estimation, designed explicitly for slow fading channels.
Hanjiang Hong, Kai‐Kit Wong, Kin‐Fai Tong, Hao Xu, Haoyang Li   +4 more
wiley   +1 more source

From Product Codes to Structured Generalized LDPC Codes

, 2010
Product codes, due to their relatively large minimum distance, are often seen as a natural solution for applications requiring low error floors.
Paolini, Enrico, Michael Lentmaier, G. Liva, G. Fettweis, Fettweis, Gerhard, Gerhard Fettweis, Lentmaier, Michael, Liva, Gianluigi, Gianluigi Liva, M. Lentmaier, Enrico Paolini   +10 more
core   +1 more source

Adaptive Coding‐Based Quantum Communication System for Image Transmission

Electronics Letters, Volume 61, Issue 1, January/December 2025.
Adaptive coding‐based quantum communication demonstrates the superior robustness and higher image quality compared to the adaptive coding‐based classical communication in varying channel noise conditions and bandwidth‐restricted applications. ABSTRACT This work presents a quantum communication system enhanced with adaptive coding, aimed at improving ...
Udara Jayasinghe, Prabhath Samarathunga, Yasith Ganearachchi, Thanuj Fernando, Anil Fernando   +4 more
wiley   +1 more source

Iterative decoding of SOVA and LDPC product code for bit-patterned media recoding

AIP Advances, 2018
The demand for high-density storage systems has increased due to the exponential growth of data. Bit-patterned media recording (BPMR) is one of the promising technologies to achieve the density of 1Tbit/in2 and higher.
Seongkwon Jeong, Jaejin Lee
doaj   +1 more source