313 citations · 1.5k across the 101 of their papers we have counts for
17 papers · 1 filter
Toward Secure Communications for a UAV Swarm with Movable Antennas in SAGIN: CKM-Enabled Multi-Agent Reinforcement Learning Framework
Jiayang Wan, Yafei Wang, Jiawei Zhuang +2
Space-air-ground integrated networks (SAGINs) can provide ubiquitous and reliable connectivity for unmanned aerial vehicles (UAVs). However, air-to-ground links, which are typicall…
Distributed Gossip-GAN for Low-overhead CSI Feedback Training in FDD mMIMO-OFDM Systems
Yuwen Cao, Guijun Liu, Tomoaki Ohtsuki +2
The deep autoencoder (DAE) framework has turned out to be efficient in reducing the channel state information (CSI) feedback overhead in massive multiple-input multipleoutput (mMIM…
Symbiotic Sensing and Communication: Framework and Beamforming Design
Fanghao Xia, Zesong Fei, Xinyi Wang +4
In this paper, we propose a novel symbiotic sensing and communication (SSAC) framework, comprising a base station (BS) and a passive sensing node. In particular, the BS transmits c…
Pilot-Aided Joint Time Synchronization and Channel Estimation for OTFS
Jiazheng Sun, Peng Yang, Xianbin Cao +3
This letter proposes a pilot-aided joint time synchronization and channel estimation (JTSCE) algorithm for orthogonal time frequency space (OTFS) systems. Unlike existing algorithm…
Semantic-Enabled 6G Communication: A Task-oriented and Privacy-preserving Perspective
Shuaishuai Guo, Anbang Zhang, Yanhu Wang +2
Task-oriented semantic communication (ToSC) emerges as an innovative approach in the 6G landscape, characterized by the transmission of only vital information that is directly pert…
Wireless-Powered Mobile Crowdsensing Enhanced by UAV-Mounted RIS: Joint Transmission, Compression, and Trajectory Design
Yongqing Xu, Haoqing Qi, Zhiqin Wang +3
Mobile crowdsensing (MCS) enables data collection from massive devices to achieve a wide sensing range. Wireless power transfer (WPT) is a promising paradigm for prolonging the ope…
Multi-User Pilot Pattern Optimization for Channel Extrapolation in 5G NR Systems
Yubo Wan, An Liu, Tony Q. S. Quek
Pilot pattern optimization in orthogonal frequency division multiplexing (OFDM) systems has been widely investigated due to its positive impact on channel estimation. In this paper…
Harnessing the Power of AI-Generated Content for Semantic Communication
Yiru Wang, Wanting Yang, Zehui Xiong +3
Semantic Communication (SemCom) is envisaged as the next-generation paradigm to address challenges stemming from the conflicts between the increasing volume of transmission data an…
RIS-Enhanced Cognitive Integrated Sensing and Communication: Joint Beamforming and Spectrum Sensing
Yongqing Xu, Yong Li, Tony Q. S. Quek
Cognitive radio (CR) and integrated sensing and communication (ISAC) are both critical technologies for the sixth generation (6G) wireless networks. However, their interplay has ye…
OFDM-Based Digital Semantic Communication with Importance Awareness
Chuanhong Liu, Caili Guo, Yang Yang +2
Semantic communication (SemCom) has received considerable attention for its ability to reduce data transmission size while maintaining task performance. However, existing works mai…
Physical-layer Adversarial Robustness for Deep Learning-based Semantic Communications
Guoshun Nan, Zhichun Li, Jinli Zhai +7
End-to-end semantic communications (ESC) rely on deep neural networks (DNN) to boost communication efficiency by only transmitting the semantics of data, showing great potential fo…
Deep Learning and Image Super-Resolution-Guided Beam and Power Allocation for mmWave Networks
Yuwen Cao, Tomoaki Ohtsuki, Setareh Maghsudi +1
In this paper, we develop a deep learning (DL)-guided hybrid beam and power allocation approach for multiuser millimeter-wave (mmWave) networks, which facilitates swift beamforming…
Explainable Semantic Communication for Text Tasks
Chuanhong Liu, Caili Guo, Yang Yang +4
Task-oriented semantic communication has gained increasing attention due to its ability to reduce the amount of transmitted data without sacrificing task performance. Although some…
Non-Terrestrial Networks for UAVs: Base Station Service Provisioning Schemes with Antenna Tilt
Seongjun Kim, Minsu Kim, Jong Yeol Ryu +2
By focusing on unmanned aerial vehicle (UAV) communications in non-terrestrial networks (NTNs), this paper provides a guideline on the appropriate base station (BS) service provisi…
Learn to Sense: a Meta-learning Based Sensing and Fusion Framework for Wireless Sensor Networks
Hui Wu, Zhaoyang Zhang, Chunxu Jiao +2
Wireless sensor networks (WSN) acts as the backbone of Internet of Things (IoT) technology. In WSN, field sensing and fusion are the most commonly seen problems, which involve coll…
Multi-layer Unmanned Aerial Vehicle Networks: Modeling and Performance Analysis
Dongsun Kim, Jemin Lee, Tony Q. S. Quek
Since various types of unmanned aerial vehicles (UAVs) with different hardware capabilities are introduced, we establish a foundation for the multi-layer aerial network (MAN). Firs…
Performance Analysis for Multi-layer Unmanned Aerial Vehicle Networks
Dongsun Kim, Jemin Lee, Tony Q. S. Quek
In this paper, we provide the model of the multilayer aerial network (MAN), composed unmanned aerial vehicles (UAVs) that distributed in Poisson point process (PPP) with different…