Results 21 to 30 of about 3,412 (199)

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

Sensors
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, Zhen Huang, Yulu Zhang, Yunjian Jia, Wanli Wen   +4 more
doaj   +2 more sources

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

Entropy, 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, Zhiping Xu, Huihui Wu, Guofa Cai   +3 more
doaj   +2 more sources

Generalized Joint Shuffled Scheduling Decoding Algorithm for the JSCC System Based on Protograph-LDPC Codes

IEEE Access, 2021
The joint shuffled scheduling decoding (JSSD) algorithm can reduce the decoding complexity of the joint source-channel coding system (JSCC) based on double protograph low-density parity-check (P-LDPC) codes. However, the JSSD algorithm will not work when
Zhiping Xu, Lin Wang, Shaohua Hong, Guanrong Chen   +3 more
doaj   +2 more sources

Channel Code-Book (CCB): Semantic Image-Adaptive Transmission in Satellite–Ground Scenario [PDF]

Sensors
Satellite–ground communication is a critical component in the global communication system, significantly contributing to environmental monitoring, radio and television broadcasting, aerospace operations, and other domains.
Hui Cao, Shujun Han, Rui Meng, Xiaodong Xu, Ping Zhang   +4 more
doaj   +2 more sources

Design of Linking Matrix in JSCC Scheme Based on Double Protograph LDPC Codes

IEEE Access, 2019
A joint source channel coding (JSCC) scheme based on source and channel low density parity check (LDPC) codes, which is named as the D-LDPC system, has attracted a lot of attention recently. However, it suffers from a high error-floor.
Qiwang Chen, Shaohua Hong, Yifan Chen
exaly   +3 more sources

DD-JSCC: Dynamic Deep Joint Source-Channel Coding for Semantic Communications

ICC 2025 - IEEE International Conference on Communications
Deep Joint Source-Channel Coding (Deep-JSCC) has emerged as a promising semantic communication approach for wireless image transmission by jointly optimizing source and channel coding using deep learning techniques. However, traditional Deep-JSCC architectures employ fixed encoder-decoder structures, limiting their adaptability to varying device ...
Raha, Avi Deb, Adhikary, Apurba, Gain, Mrityunjoy, Park, Yumin, Saad, Walid, Hong, Choong Seon   +5 more
openaire   +3 more sources

SNR and Resource Adaptive Deep JSCC for Distributed IoT Image Classification

IEEE International Symposium on Personal, Indoor and Mobile Radio Communications
Sensor-based local inference at IoT devices faces severe computational limitations, often requiring data transmission over noisy wireless channels for server-side processing. To address this, split-network Deep Neural Network (DNN) based Joint Source-Channel Coding (JSCC) schemes are used to extract and transmit relevant features instead of raw data ...
Waqas, Ali, Coleri, Sinem
openaire   +3 more sources

Joint Optimization and Performance Analysis of Analog Shannon–Kotel’nikov Mapping for OFDM with Carrier Frequency Offset [PDF]

Entropy
An analog joint source-channel coding (AJSCC) based on Shannon–Kotel’nikov (S-K) mapping transmitting discrete-time encoded samples in orthogonal frequency division multiplexing (OFDM) systems over wireless channel has exhibited excellent performance ...
Jingwen Lin, Qiwang Chen, Yu Hua, Chen Chen   +3 more
doaj   +2 more sources

Comparison of regression for blood ALP levels using methods of the Japan Society of Clinical Chemistry and the International Federation of Clinical Chemistry and Laboratory Medicine in bovine, canine, feline, and human testing.

PLoS ONE, 2021
Livestock and companion animal health have a direct impact on human health. Research on clinical laboratory technology for veterinary medicine is as important as that on human laboratory technology.
Akihisa Hata, Noboru Fujitani, Masahiro Takeshita, Chie Tanaka, Noriko Matsuda, Michiko Takaishi, Takako Shimokawa Miyama, Fumio Hoshi   +7 more
doaj   +1 more source

Design and Analysis of Joint Source-Channel Code System with Fixed-Length Code

Information, 2022
As the demands of multimedia and data services increase, efficient communication systems are being investigated to meet the high data rate requirements.
Han Bao, Can Zhang, Shaoshuai Gao
doaj   +1 more source