An introduction to factor graphs

HA Loeliger - IEEE Signal Processing Magazine, 2004 - ieeexplore.ieee.org
Graphical models such as factor graphs allow a unified approach to a number of key topics
in coding and signal processing such as the iterative decoding of turbo codes, LDPC codes …

Performance comparison of nb-fi, sigfox, and lorawan

P Levchenko, D Bankov, E Khorov, A Lyakhov - Sensors, 2022 - mdpi.com
LPWANs are a promising solution for wireless sensor networks. To compete with such
widespread technologies as LoRaWAN and Sigfox, recently a new LPWAN technology …

Block Markov superposition transmission: Construction of big convolutional codes from short codes

X Ma, C Liang, K Huang… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
A construction of big convolutional codes from short codes called block Markov
superposition transmission (BMST) is proposed. The BMST is very similar to superposition …

[图书][B] Digital Signal Processing in High-Speed Optical Fiber Communication Principle and Application

J Yu, N Chi - 2020 - books.google.com
This book presents the principles and applications of optical fiber communication based on
digital signal processing (DSP) for both single and multi-carrier modulation signals. In the …

Concatenated tree codes: A low-complexity, high-performance approach

L Ping, KY Wu - IEEE Transactions on Information Theory, 2001 - ieeexplore.ieee.org
This paper is concerned with a family of concatenated tree (CT) codes. CT codes are special
low-density parity check (LDPC) codes consisting of several trees with large spans. They …

Three design aspects of multicarrier interleave division multiple access

R Zhang, L Hanzo - IEEE Transactions on Vehicular …, 2008 - ieeexplore.ieee.org
This paper presents a novel generalized transceiver architecture, ie, Multicarrier Interleave-
Division-Multiplexing-aided Interleave Division Multiple Access (MC-IDM-IDMA). A parallel …

Fixed-rate Raptor codes over Rician fading channels

B Sivasubramanian, H Leib - IEEE transactions on vehicular …, 2008 - ieeexplore.ieee.org
This paper considers the newly introduced fountain codes for fixed-rate error control coding,
with emphasis on Raptor codes. The performance of Raptor codes of low-to-moderate rates …

Real-time face detection using boosting in hierarchical feature spaces

D Zhang, SZ Li, D Gatica-Perez - Proceedings of the 17th …, 2004 - ieeexplore.ieee.org
Boosting-based methods have recently led to the state-of-the-art-face detection systems. In
these systems, weak classifiers to be boosted are based on simple, local, Haar-like features …

Concatenated zigzag Hadamard codes

WKR Leung, G Yue, L Ping… - IEEE transactions on …, 2006 - ieeexplore.ieee.org
In this correspondence, we introduce a new class of low-rate error correction codes called
zigzag Hadamard (ZH) codes and their concatenation schemes. Each member of this class …

Obtaining extra coding gain for short codes by block Markov superposition transmission

X Ma, C Liang, K Huang… - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
In this paper, we present a new approach, called block Markov superposition transmission
(BMST), to construct from short codes a class of convolutional codes with large constraint …