Results 61 to 70 of about 26,841 (236)
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 +3 more
wiley +1 more source
Design and Analysis of Time-Invariant SC-LDPC Convolutional Codes With Small Constraint Length
, 2017 In this paper, we deal with time-invariant spatially coupled low-density parity-check convolutional codes (SC-LDPC-CCs). Classic design approaches usually start from quasi-cyclic low-density parity-check (QC-LDPC) block codes and exploit suitable ...
Baldi, Marco +4 more
core +1 more source
Electronics Letters, Volume 61, Issue 1, January/December 2025.Here, a multi‐user signal iterative detection and decoding scheme named LBEP based on block expectation propagation (BEP) is proposed for LDPC‐coded two‐phase unsourced random access (URA) scheme. In the iteratively process, the approximation of matrix inversion is used to facilitate expectation propagation (EP). The numerical results show that, in the
Jinyang Chen +5 more
wiley +1 more source
Design of rate-compatible low-density parity-check codes for type-II hybrid ARQ systems
Tongxin xuebao, 2006 The design of powerful rate-compatible low-density parity-check codes（RC-LDPC）was constructed in zigzag structure for type-II hybrid ARQ systems.The generalized PEG algorithm was used in the process of constructing RC-LDPC codes to improve the ...
WANG Dan, WANG Xin-mei
doaj +2 more sources
Design and Performance of Rate-compatible Non-Binary LDPC Convolutional Codes
, 2011 In this paper, we present a construction method of non-binary low-density parity-check (LDPC) convolutional codes. Our construction method is an extension of Felstroem and Zigangirov construction for non-binary LDPC convolutional codes.
Kasai, Kenta +2 more
core +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 +4 more
wiley +1 more source
COMPARATIVE ANALYSIS OF LDPC AND BCH CODES ERROR-CORRECTING CAPABILITIES
Information and Telecommunication Sciences, 2014 The error-correcting capabilities of regular LDPC (Low Density Parity Check) codes and BCH (Bose-Chaudhuri-Hocquenguem) codes are examined. The qualitative analysis and the quantitative assessment of error-correcting abilities are performed for LDPC ...
Leonid O. Uryvsky, Serhii O. Osypchuk
doaj +1 more source
Interleaved Product LDPC Codes [PDF]
IEEE Transactions on Communications, 2012 11 pages, 5 figures, accepted for publication in IEEE Transactions on ...
Baldi, Marco +2 more
openaire +2 more sources
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 +4 more
wiley +1 more source
Construction of Quasi-Cyclic Low Density Parity Check Codes for Magnetic Induction Communication
IEEE Access, 2019 The magnetic induction (MI) communication has been proved to be an effective method in the wireless underground sensor networks (WUSN). MI communication system based on quasi-cyclic low density parity check (QC-LDPC) codes is expected to improve the ...
Hua Xu, Yanjing Sun, Wenjuan Shi
doaj +1 more source