Publications (11)
Resource Allocation and Passive Beamforming for IRS-assisted URLLC Systems
Yangyi Zhang, Xinrong Guan, Qingqing Wu +2
In this correspondence, we investigate an intelligent reflective surface (IRS) assisted downlink ultra-reliable and low-latency communication (URLLC) system, where an access point…
Joint Relay and Jammer Selection Improves the Physical Layer Security in the Face of CSI Feedback Delays
Lei Wang, Yueming Cai, Yulong Zou +2
We enhance the physical-layer security (PLS) of amplify-and-forward relaying networks with the aid of joint relay and jammer selection (JRJS), despite the deliterious effect of cha…
Analyzing Power Beacon Assisted Multi-Source Transmission Using Markov Chain
Xuanxuan Tang, Yansha Deng, Yueming Cai +2
Wireless power transmission (WPT) is envisioned to be a promising technology for prolonging the lifetime of wireless devices in energy-constrained networks. This paper presents a g…
Terahertz Integrated Sensing and Communication-Empowered UAVs in 6G: A Transceiver Design Perspective
Ruoyu Zhang, Wen Wu, Xiaoming Chen +2
Due to their high maneuverability, flexible deployment, and low cost, unmanned aerial vehicles (UAVs) are expected to play a pivotal role in not only communication, but also sensin…
Channel Estimation for Movable-Antenna MIMO Systems Via Tensor Decomposition
Ruoyu Zhang, Lei Cheng, Wei Zhang +4
In this letter, we investigate the channel estimation problem for MIMO wireless communication systems with movable antennas (MAs) at both the transmitter (Tx) and receiver (Rx). To…
Covert Communications with Constrained Age of Information
Yida Wang, Shihao Yan, Weiwei Yang +1
In this letter, we consider the requirement of information freshness in covert communications for the first time. With artificial noise (AN) generated from a full-duplex (FD) recei…
Wireless Key Generation from Imperfect Channel State Information: Performance Analysis and Improvements
Xinrong Guan, Ning Ding, Yueming Cai +1
The basis of generating secret key from the common wireless channel at two communication parties is reciprocity. However, due to non-simultaneous measurements and unavoidable estim…
When Does Relay Transmission Give a More Secure Connection in Wireless Ad Hoc Networks?
Chunxiao Cai, Yueming Cai, Xiangyun Zhou +2
Relay transmission can enhance coverage and throughput, while it can be vulnerable to eavesdropping attacks due to the additional transmission of the source message at the relay. T…
Robust and Secure Beamforming for Intelligent Reflecting Surface Aided mmWave MISO Systems
Xingbo Lu, Weiwei Yang, Xinrong Guan +2
In this letter, we investigate the robust and secure beamforming (RSBF) in an intelligent reflecting surface (IRS) aided millimeter wave (mmWave) multiple input single output (MISO…
Robust frequency offset estimator for OFDM over fast varying multipath channel
Li Wei, Youyun Xu, Yueming Cai +1
This paper presents a robust carrier frequency offset(CFO) estimation algorithm suitable for fast varying multipath channels. The proposed algorithm estimates CFO both in time-doma…
The Learning and Prediction of Application-level Traffic Data in Cellular Networks
Rongpeng Li, Zhifeng Zhao, Jianchao Zheng +3
Traffic learning and prediction is at the heart of the evaluation of the performance of telecommunications networks and attracts a lot of attention in wired broadband networks. Now…