Sub-Graph Based Joint Sparse Graph for Sparse Code Multiple Access Systems [PDF]
Sparse code multiple access (SCMA) is a promising air interface candidate technique for next-generation mobile networks, especially for massive machine-type communications. In this paper, we design a low-density parity-check (LDPC) coded SCMA detector by
Ke Lai +5 more
doaj +4 more sources
3D EXIT Charts for Analyzing the 5G 3GPP New Radio LDPC Decoder [PDF]
Low Density Parity Check (LDPC) codes have been selected to provide channel coding for data in the next generation of wireless communication standard referred to in practice as the 3GPP New Radio (NR).
Shuai Shao +3 more
doaj +2 more sources
Deriving Good LDPC Convolutional Codes from LDPC Block Codes [PDF]
Low-density parity-check (LDPC) convolutional codes are capable of achieving excellent performance with low encoding and decoding complexity. In this paper we discuss several graph-cover-based methods for deriving families of time-invariant and time-varying LDPC convolutional codes from LDPC block codes and show how earlier proposed LDPC convolutional ...
Ali Emre Pusane +2 more
exaly +3 more sources
Decoder-in-the-Loop: Genetic Optimization-Based LDPC Code Design [PDF]
LDPC code design tools typically rely on asymptotic code behavior and are affected by an unavoidable performance degradation due to model imperfections in the short length regime.
Ahmed Elkelesh +4 more
doaj +4 more sources
High performance short-block binary regular LDPC codes
LDPC code shows a good performance with long-block codes. However, certain channels are constrained to use short-block codes due to latency. Therefore, concatenated LDPC codes with iterative decoding is a good choice to get a good performance ...
AbdelMalik Taleb-Ahmed
exaly +3 more sources
LDPC Codes on Balanced Incomplete Block Designs: Construction, Girth, and Cycle Structure Analysis [PDF]
In this paper, we investigate the cycle structure inherent in the Tanner graphs of low-density parity-check (LDPC) codes constructed from balanced incomplete block designs (BIBDs).
Hengzhou Xu +4 more
doaj +2 more sources
The design of structured LDPC codes with algorithmic graph construction [PDF]
Low-Density Parity-Check (LDPC) codes are among the most effective modern error-correcting codes due to their excellent correction performance and highly parallel decoding scheme.
Wojciech Sułek
doaj +1 more source
Evaluation of LDPC codes efficiency in channels with fading [PDF]
The article discusses the operation of communication systems using a low-density parity check codes in channels with multipath propagation. This class of codes has found wide application in modern communication and broadcasting systems and is one of the ...
Shinkevich Artem +5 more
doaj +1 more source
REDUCING LDPC DECODER COMPLEXITY BY USING FPGA BASED ON MIN SUM ALGORITHM
Low-Density Parity-Check (LDPC) code approaches Shannon–limit execution for twofold field and long code lengths. The point of this work is to propose an LDPC calculation for Min Sum (MS) deciphering and playing out its equipment execution investigation
Butheena R. kadhim, Fatih Korkmaz
doaj +1 more source
Protection scheme of subcarrier index in OFDM with index modulation aided by LDPC coding
The receiver of OFDM with Index Modulation (OFDM-IM) usually adopts a Log Likelihood Ratio (LLR) detection algorithm based on the activation state of subcarriers.
doaj +1 more source

