no code implementations • 4 Jan 2024 • Chuanhong Liu, Caili Guo, Yang Yang, Wanli Ni, Tony Q. S. Quek
Based on semantic importance, we formulate a sub-carrier and bit allocation problem to maximize communication performance.
no code implementations • 22 Mar 2023 • Chuanhong Liu
A novel semantic extraction method is proposed to convert transmitted text into semantic triplets, where syntactic dependency analysis is introduced to improve semantic completeness.
no code implementations • 5 Feb 2023 • Qizheng Sun, Caili Guo, Yang Yang, Jiujiu Chen, Rui Tang, Chuanhong Liu
Specifically, we first propose semantic importance weight calculation method, which is based on the gradient of intelligent task's perception results with respect to the features.
no code implementations • 24 Aug 2022 • Qizheng Sun, Caili Guo, Yang Yang, Jiujiu Chen, Rui Tang, Chuanhong Liu
The semantic information of the image for intelligent tasks is hidden behind the pixels, and slight changes in the pixels will affect the performance of intelligent tasks.
no code implementations • 19 Apr 2022 • Chuanhong Liu, Caili Guo, Yang Yang, Nan Jiang
To solve the problem, both compression ratio and resource allocation are optimized for the task-oriented communication system to maximize the success probability of tasks.
no code implementations • 26 Jan 2022 • Chuanhong Liu, Caili Guo, Yang Yang, Jiujiu Chen
The first subproblem is a compression ratio optimization problem with a given resource allocation scheme, which is solved by a enumeration algorithm.
no code implementations • 29 Sep 2021 • Yang Yang, Caili Guo, Fangfang Liu, Chuanhong Liu, Lunan Sun, Qizheng Sun, Jiujiu Chen
A radical paradigm shift of wireless networks from ``connected things'' to ``connected intelligence'' undergoes, which coincides with the Shanno and Weaver's envisions: Communications will transform from the technical level to the semantic level.
no code implementations • 5 Mar 2021 • Chuanhong Liu, Caili Guo, Yang Yang, Mingzhe Chen, H. Vincent Poor, Shuguang Cui
Then, the problem of user selection and bandwidth allocation is studied for FL implemented over a hybrid VLC/RF system aiming to optimize the FL performance.