Results 1 to 10 of about 1,192 (159)

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   +3 more sources

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   +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

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

HASCom: A Heterogeneous Affective-Semantic Communication Framework for Speech Transmission [PDF]

open access: yesSensors
Driven by the development of next-generation wireless networks and the widespread adoption of sensing, communication is shifting from traditional bit-level transmission to intelligent, rich interactions within our digital social system. However, existing
Zhenjia Yu   +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

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

CNN and Attention-Based Joint Source Channel Coding for Semantic Communications in WSNs [PDF]

open access: yesSensors
Wireless Sensor Networks (WSNs) have emerged as an efficient solution for numerous real-time applications, attributable to their compactness, cost-effectiveness, and ease of deployment.
Xinyue Liu   +4 more
doaj   +2 more sources

Comparison of Analytical Values after Changing to the International Standardized Method for Lactate Dehydrogenase and Alkaline Phosphatase Measurements in Mouse and Rat

open access: yesVeterinary Sciences, 2022
Since April 2020, the method for lactate dehydrogenase (LD) and alkaline phosphatase (ALP) activity measurements in Japan has been switched from the Japan Society of Clinical Chemistry (JSCC) reference method, which is only used in Japan, to the ...
Kayo Furumoto   +3 more
doaj   +1 more source

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