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JSCC-Cast: A Joint Source Channel Coding Video Encoding and Transmission System with Limited Digital Metadata [PDF]

open access: yesSensors, 2021
This work considers the design and practical implementation of JSCC-Cast, a comprehensive analog video encoding and transmission system requiring a reduced amount of digital metadata.
Jose Balsa   +4 more
doaj   +9 more sources

Design and Optimization of Linking Matrix for a JSCC System Based on DP-LDPC Codes [PDF]

open access: yesEntropy, 2023
Although extensive optimization of encoding and decoding schemes for joint source-channel coding (JSCC) systems has been conducted, efficient optimization schemes are still required for designing and optimizing the linking matrix between variable nodes ...
Yijie Lv, Shaohua Hong, Lin Wang
doaj   +2 more sources

Analysis and Optimization of a General Linking Matrix for JSCC Scheme Based on Double LDPC Codes [PDF]

open access: yesEntropy, 2023
A key component of the joint source-channel coding (JSCC) scheme based on double low-density parity-check (D-LDPC) codes is the introduction of a linking matrix between the source LDPC code and channel LDPC code, by which the decoding information ...
Qiwang Chen   +3 more
doaj   +2 more sources

Design and Analysis of Joint Group Shuffled Scheduling Decoding Algorithm for Double LDPC Codes System [PDF]

open access: yesEntropy, 2023
In this paper, a joint group shuffled scheduling decoding (JGSSD) algorithm for a joint source-channel coding (JSCC) scheme based on double low-density parity-check (D-LDPC) codes is presented. The proposed algorithm considers the D-LDPC coding structure
Qiwang Chen   +4 more
doaj   +2 more sources

Hybrid Window Decoding for Joint Source Channel Anytime Coding System [PDF]

open access: yesEntropy
Joint source channel anytime coding (JSCAC) is a kind of joint source channel coding (JSCC) systems based on the causal spatially coupled coding and joint expanding window decoding (JEWD) techniques.
Li Deng   +5 more
doaj   +2 more sources

Importance-Aware Resource Allocations for MIMO Semantic Communication [PDF]

open access: yesEntropy
This study proposes a separate source-channel coding (SSCC) framework to address semantic communication challenges in MIMO systems, overcoming the limitations of joint source-channel coding (JSCC) in channel adaptation and model reusability.
Yue Cao   +3 more
doaj   +2 more sources

Protograph Designing of P-LDPC Codes via M3 Method [PDF]

open access: yesEntropy, 2023
Recently, a mesh model-based merging (M3) method and four basic graph models were proposed to construct the double protograph low-density parity-check (P-LDPC) code pair of the joint source channel coding (JSCC). Designing the protograph (mother code) of
Dan Song, Meiyuan Miao, Lin Wang
doaj   +2 more sources

Design of Low-Density Parity-Check Code Pair for Joint Source-Channel Coding Systems Based on Graph Theory [PDF]

open access: yesEntropy, 2023
In this article, a graph-theoretic method (taking advantage of constraints among sets associated with the corresponding parity-check matrices) is applied for the construction of a double low-density parity-check (D-LDPC) code (also known as LDPC code ...
Yijie Lv   +3 more
doaj   +2 more sources

Rate–Distortion–Perception Optimized Neural Speech Transmission System for High-Fidelity Semantic Communications [PDF]

open access: yesSensors
We consider the problem of learned speech transmission. Existing methods have exploited joint source–channel coding (JSCC) to encode speech directly to transmitted symbols to improve the robustness over noisy channels.
Shengshi Yao, Zixuan Xiao, Kai Niu
doaj   +2 more sources

Channel-Blind Joint Source–Channel Coding for Wireless Image Transmission [PDF]

open access: yesSensors
Joint source–channel coding (JSCC) based on deep learning has shown significant advancements in image transmission tasks. However, previous channel-adaptive JSCC methods often rely on the signal-to-noise ratio (SNR) of the current channel for encoding ...
Hongjie Yuan   +3 more
doaj   +2 more sources

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