no code implementations • 14 Mar 2024 • Xiang Peng, Zhijin Qin, Xiaoming Tao, Jianhua Lu, Khaled B. Letaief
Semantic communications have gained significant attention as a promising approach to address the transmission bottleneck, especially with the continuous development of 6G techniques.
1 code implementation • 8 Mar 2024 • Zhenzi Weng, Zhijin Qin, Xiaoming Tao
Moreover, to cope with the practical communication scenario when the input speech is corrupted, a novel generative adversarial network (GAN)-enabled deep semantic compensator is proposed to predict the lost semantic information in the source speech and produce the textual semantic features in the target language simultaneously, which establishes a robust semantic transmission mechanism for dynamic speech input.
Generative Adversarial Network Speech-to-Text Translation +1
no code implementations • 28 Feb 2024 • Zelin Ji, Zhijin Qin
To minimize long-term energy consumption on constraints queue stability and computational delay, a Lyapunov-guided deep reinforcement learning hybrid (DRLH) framework is proposed to solve the mixed integer non-linear programming (MINLP) problem.
no code implementations • 20 Feb 2024 • Huiqiang Xie, Zhijin Qin, Xiaoming Tao, Zhu Han
First, we propose a new semantic communication architecture that seamlessly integrates large models into semantic communication through the introduction of a memory module.
no code implementations • 18 Dec 2023 • Yiyu Guo, Zhijin Qin, Xiaoming Tao, Geoffrey Ye Li
With recent advances in edge intelligence and deep learning, we have developed a novel multi-view synthesizing framework that can efficiently provide computation, storage, and communication resources for wireless content delivery in the metaverse.
no code implementations • 2 Dec 2023 • Lingyi Wang, Wei Wu, Fuhui Zhou, Zhaohui Yang, Zhijin Qin
In order to investigate the performance of semantic communication networks, the quality of service for semantic communication (SC-QoS), including the semantic quantization efficiency (SQE) and transmission latency, is proposed for the first time.
no code implementations • 8 Nov 2023 • Dingxi Yang, Zhijin Qin, Liting Wang, Xiaoming Tao, Fang Cui, Hengjiang Wang
The enormous data volume of video poses a significant burden on the network.
no code implementations • 10 Oct 2023 • BoWen Zhang, Zhijin Qin, Geoffrey Ye Li
In this article, we also investigate the data transmission methods for programmable sensors, where the performance of communication systems is evaluated by the reconstructed images or videos rather than the transmission of sensor data itself.
no code implementations • 6 Jul 2023 • Zelin Ji, Zhijin Qin, Xiaoming Tao
In cellular networks, resource allocation is usually performed in a centralized way, which brings huge computation complexity to the base station (BS) and high transmission overhead.
no code implementations • 6 Jul 2023 • BoWen Zhang, Zhijin Qin, Geoffrey Ye Li
According to the base CS results, the encoder then employs a policy network to analyze the semantic information in images and determines the measurement matrix for different image areas.
no code implementations • 22 Mar 2023 • Huiqiang Xie, Zhijin Qin, Geoffrey Ye Li
While semantic communication succeeds in efficiently transmitting due to the strong capability to extract the essential semantic information, it is still far from the intelligent or human-like communications.
no code implementations • 17 Feb 2023 • BoWen Zhang, Zhijin Qin, Geoffrey Ye Li
Wireless extended reality (XR) has attracted wide attentions as a promising technology to improve users' mobility and quality of experience.
no code implementations • 20 Jan 2023 • Zelin Ji, Zhijin Qin, Xiaoming Tao, Han Zhu
Edge computing, especially the edge intelligence system, enables local users to offload the computation tasks to the edge servers to reduce the computational energy consumption of user equipment and accelerate fast task execution.
no code implementations • 11 Jan 2023 • Zhijin Qin, Feifei Gao, Bo Lin, Xiaoming Tao, Guangyi Liu, Chengkang Pan
This article introduces a framework for generalized semantic communication system, which exploits the semantic information in both the multimodal source and the wireless channel environment.
no code implementations • 16 Dec 2022 • BoWen Zhang, Zhijin Qin, Yiyu Guo, Geoffrey Ye Li
In particular, semantic sensing is used to improve the sensing efficiency by exploring the spatial-temporal distributions of semantic information.
no code implementations • 6 Dec 2022 • Wenjun Xu, Yimeng Zhang, Fengyu Wang, Zhijin Qin, Chenyao Liu, Ping Zhang
Internet of Vehicles (IoV) is expected to become the central infrastructure to provide advanced services to connected vehicles and users for higher transportation efficiency and security.
no code implementations • 23 Sep 2022 • Qifan Fu, Huiqiang Xie, Zhijin Qin, Gregory Slabaugh, Xiaoming Tao
Although analog semantic communication systems have received considerable attention in the literature, there is less work on digital semantic communication systems.
1 code implementation • 16 Sep 2022 • Guangyi Zhang, Qiyu Hu, Zhijin Qin, Yunlong Cai, Guanding Yu, Xiaoming Tao
Task-oriented semantic communications have achieved significant performance gains.
no code implementations • 19 Jul 2022 • Deniz Gunduz, Zhijin Qin, Inaki Estella Aguerri, Harpreet S. Dhillon, Zhaohui Yang, Aylin Yener, Kai Kit Wong, Chan-Byoung Chae
Communication systems to date primarily aim at reliably communicating bit sequences.
1 code implementation • 8 Jun 2022 • Qiyu Hu, Guangyi Zhang, Zhijin Qin, Yunlong Cai, Guanding Yu, Geoffrey Ye Li
Although semantic communications have exhibited satisfactory performance for a large number of tasks, the impact of semantic noise and the robustness of the systems have not been well investigated.
no code implementations • 6 Jun 2022 • Xiang Peng, Zhijin Qin, Danlan Huang, Xiaoming Tao, Jianhua Lu, Guangyi Liu, Chengkang Pan
With the advent of the 6G era, the concept of semantic communication has attracted increasing attention.
no code implementations • 1 Jun 2022 • Guangyi Zhang, Qiyu Hu, Zhijin Qin, Yunlong Cai, Guanding Yu
Simulation results demonstrate that our proposed U-DeepSC achieves comparable performance to the task-oriented semantic communication system designed for a specific task with significant transmission overhead reduction and much less number of model parameters.
no code implementations • 28 May 2022 • Lei Yan, Zhijin Qin, Rui Zhang, Yongzhao Li, Geoffrey Ye Li
Specifically, an approximate measure of semantic entropy is first developed to quantify the semantic information for different tasks, based on which a novel quality-of-experience (QoE) model is proposed.
1 code implementation • 9 May 2022 • Zhenzi Weng, Zhijin Qin, Xiaoming Tao, Chengkang Pan, Guangyi Liu, Geoffrey Ye Li
In this paper, we develop a deep learning based semantic communication system for speech transmission, named DeepSC-ST. We take the speech recognition and speech synthesis as the transmission tasks of the communication system, respectively.
no code implementations • 20 Apr 2022 • Zelin Ji, Zhijin Qin
Analysis and numerical results show that the proposed FRL_suc framework can lower the transmission overhead and offload the computation from the central server to the local users, while outperforming the conventional multi-agent reinforcement learning algorithm in terms of EE, and is more robust to channel variations.
no code implementations • 7 Feb 2022 • Qiyu Hu, Guangyi Zhang, Zhijin Qin, Yunlong Cai, Guanding Yu, Geoffrey Ye Li
In this paper, we first propose a framework for the robust end-to-end semantic communication systems to combat the semantic noise.
1 code implementation • 16 Jan 2022 • Lei Yan, Zhijin Qin, Rui Zhang, Yongzhao Li, Geoffrey Ye Li
Semantic communications have shown its great potential to improve the transmission reliability, especially in the low signal-to-noise regime.
no code implementations • 30 Dec 2021 • Zhijin Qin, Xiaoming Tao, Jianhua Lu, Wen Tong, Geoffrey Ye Li
Semantic communication, regarded as the breakthrough beyond the Shannon paradigm, aims at the successful transmission of semantic information conveyed by the source rather than the accurate reception of each single symbol or bit regardless of its meaning.
no code implementations • 21 Dec 2021 • Xu Kang, Bin Song, Jie Guo, Zhijin Qin, F. Richard Yu
The vigorous developments of Internet of Things make it possible to extend its computing and storage capabilities to computing tasks in the aerial system with collaboration of cloud and edge, especially for artificial intelligence (AI) tasks based on deep learning (DL).
no code implementations • 19 Dec 2021 • Huiqiang Xie, Zhijin Qin, Xiaoming Tao, Khaled B. Letaief
For the single-modal multi-user system, we will propose two Transformer based models, named, DeepSC-IR and DeepSC-MT, to perform image retrieval and machine translation, respectively.
no code implementations • 16 Aug 2021 • Huiqiang Xie, Zhijin Qin, Geoffrey Ye Li
In this letter, we consider a task-oriented multi-user semantic communication system for multimodal data transmission.
no code implementations • 22 Jul 2021 • Zhenzi Weng, Zhijin Qin, Geoffrey Ye Li
The traditional communications transmit all the source date represented by bits, regardless of the content of source and the semantic information required by the receiver.
no code implementations • 5 Jul 2021 • Zelin Ji, Zhijin Qin, Clive G. Parini
Reconfigurable intelligent surface (RIS) technology is a promising method to enhance wireless communications services and to realize the smart radio environment.
no code implementations • 22 Apr 2021 • Di wu, XiaoFeng Xie, Xiang Ni, Bin Fu, Hanhui Deng, Haibo Zeng, Zhijin Qin
We further present an experiment on data anomaly detection in this architecture, and the comparison between two architectures for ECG diagnosis.
no code implementations • 24 Feb 2021 • Zhenzi Weng, Zhijin Qin
In order to improve the recovery accuracy of speech signals, especially for the essential information, DeepSC-S is developed based on an attention mechanism by utilizing a squeeze-and-excitation (SE) network.
no code implementations • 7 Jan 2021 • Yixuan Zou, Zhijin Qin, Yuanwei Liu
Grant-free non-orthogonal multiple access (NOMA) is considered as one of the supporting technology for massive connectivity for future networks.
no code implementations • 9 Dec 2020 • Zhenzi Weng, Zhijin Qin, Geoffrey Ye Li
We consider a semantic communication system for speech signals, named DeepSC-S.
no code implementations • 21 Jul 2020 • Huiqiang Xie, Zhijin Qin
To make it affordable for IoT devices, we propose a lite distributed semantic communication system based on DL, named L-DeepSC, for text transmission with low complexity, where the data transmission from the IoT devices to the cloud/edge works at the semantic level to improve transmission efficiency.
no code implementations • 22 Jun 2020 • Zelin Ji, Zhijin Qin
Reconfigurable intelligent surface (RIS) technology is a promising method to enhance the device-to-device (D2D) communications.
no code implementations • 18 Jun 2020 • Huiqiang Xie, Zhijin Qin, Geoffrey Ye Li, Biing-Hwang Juang
To justify the performance of semantic communications accurately, we also initialize a new metric, named sentence similarity.
no code implementations • 11 May 2020 • Zhijin Qin, Geoffrey Ye Li, Hao Ye
In contrast to other machine learning tools that require no communication resources, federated learning exploits communications between the central server and the distributed local clients to train and optimize a machine learning model.
Information Theory Signal Processing Information Theory