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The integration of radar sensors and communication networks as envisioned for the 6G wireless networks poses significant security risks, e.g., the user position information can be released to an unauthorized dual-functional base station…

Information Theory · Computer Science 2025-01-28 Fan Xu , Wenhai Lai , Kaiming Shen

Reconfigurable intelligent surface (RIS) can effectively control the wavefront of the impinging signals and has emerged as a cost-effective promising solution to improve the spectrum and energy efficiency of wireless systems. Most existing…

Information Theory · Computer Science 2022-06-07 Yiming Liu , Erwu Liu , Rui Wang , Binyu Lu , Zhu Han

Reconfigurable Intelligent Surface (RIS) assisted physical layer key generation has shown great potential to secure wireless communications by smartly controlling signals such as phase and amplitude. However, previous studies mainly focus…

Signal Processing · Electrical Eng. & Systems 2023-10-17 Ningya Xu , Guoshun Nan , Xiaofeng Tao

Reconfigurable intelligent surfaces (RISs) can establish favorable wireless environments to combat the severe attenuation and blockages in millimeter-wave (mmWave) bands. However, to achieve the optimal enhancement of performance, the…

Information Theory · Computer Science 2022-03-02 Muxin He , Jindan Xu , Wei Xu , Hong Shen , Ning Wang , Chunming Zhao

Coordinated beamforming (Co-BF) is a key multi-access-point coordination (MAPC) technique for dense Wi-Fi deployments, but its performance can be hindered by the large channel state information (CSI) feedback required through channel…

Networking and Internet Architecture · Computer Science 2026-04-16 Ibrahim Aboushehada , Boris Bellalta , Giovanni Geraci , Lorenzo Galati Giordano

We consider the multi-antenna wiretap channel in which the transmitter wishes to send a confidential message to its receiver while keeping it secret to the eavesdropper. It has been known that the secrecy capacity of such a channel does not…

Information Theory · Computer Science 2016-11-17 Mari Kobayashi , Pablo Piantanida , Sheng Yang , Shlomo Shamai

This letter investigates the artificial noise aided beamforming design for secure simultaneous wireless information and power transfer (SWIPT) in a two-tier downlink heterogeneous network, where one femtocell is overlaid with one macrocell…

Information Theory · Computer Science 2017-07-25 Bin Li , Zesong Fei , Zheng Chu

This paper considers unmanned aerial vehicle (UAV)-carried intelligent reflecting surface (IRS) for secure data collection in wireless sensor networks. An eavesdropper (Eve) lurks within the vicinity of the main receiver (Bob) while several…

Information Theory · Computer Science 2021-01-19 Christantus O. Nnamani , Muhammad R. A. Khandaker , Mathini Sellathurai

Deep joint source-channel coding (DeepJSCC) has emerged as a promising paradigm for efficient and robust information transmission. However, its intrinsic characteristics also pose new security challenges, notably an increased vulnerability…

Signal Processing · Electrical Eng. & Systems 2025-12-23 Kaiyi Chi , Yinghui He , Qianqian Yang , Yuanchao Shu , Zhiqin Wang , Jun Luo , Jiming Chen

Future mobile networks not only envision enhancing the traditional link quality and data rates of mobile broad band (MBB) links, but also development of new control channels to meet the requirements of delay sensitive use cases. In…

Signal Processing · Electrical Eng. & Systems 2018-06-20 Amir Aminjavaheri , Ahmad RezazadehReyhani , Ramon Khalona , Hussein Moradi , Behrouz Farhang-Boroujeny

This paper presents a novel approach to achieving secure wireless communication by leveraging the inherent characteristics of wireless channels through end-to-end learning using a single-input-multiple-output (SIMO) autoencoder (AE). To…

Signal Processing · Electrical Eng. & Systems 2024-08-13 Abdullahi Mohammad , Mahmoud Tukur Kabir , Mikko Valkama , Bo Tan

The advancement of wireless communication systems toward 5G and beyond is spurred by the demand for high data rates, exceedingly dependable low-latency communication, and extensive connectivity that aligns with sensing requisites such as…

Information Theory · Computer Science 2024-04-10 Mamady Delamou , El Mehdi Amhoud

Eavesdroppers of wireless signals want to infer as much as possible regarding the transmitter (Tx). Popular methods to minimize information leakage to the eavesdropper include covert communication, directional modulation, and beamforming…

Signal Processing · Electrical Eng. & Systems 2025-03-07 Georgios Chrysanidis , Antonios Argyriou , Le-Nam Tran , Yanming Zhang , Yanwei Liu

We present DeepCSI, a novel approach to Wi-Fi radio fingerprinting (RFP) which leverages standard-compliant beamforming feedback matrices to authenticate MU-MIMO Wi-Fi devices on the move. By capturing unique imperfections in off-the-shelf…

Networking and Internet Architecture · Computer Science 2022-12-01 Francesca Meneghello , Michele Rossi , Francesco Restuccia

With the rapid evolution of wireless technologies, Wi-Fi has expanded beyond its original role in data transmission to support various emerging applications, particularly in physical-layer security, including device authentication, user…

Cryptography and Security · Computer Science 2026-04-07 Jingzhe Zhang , Yitong Shen , Ning Wang , Yili Ren

Satellite-terrestrial networks (STNs) have emerged as a promising architecture for providing seamless wireless coverage and connectivity for multiple users. However, potential malicious eavesdroppers pose a serious threat to the private…

Cryptography and Security · Computer Science 2026-02-09 Yujie Ling , Zan Li , Lei Guan , Zheng Zhang , Shengyu Zhang , Tony Q. S. Quek

For autonomous aerial vehicle (AAV) secure communications, traditional designs based on fixed position antenna (FPA) lack sufficient spatial degrees of freedom (DoF), which leaves the line-of-sight-dominated AAV links vulnerable to…

Signal Processing · Electrical Eng. & Systems 2025-12-02 Yingjie Wu , Junshan Luo , Weiyu Chen , Shilian Wang , Fanggang Wang , Haiyang Ding

In this paper, we establish a general framework on the reduced dimensional channel state information (CSI) estimation and pre-beamformer design for frequency-selective massive multiple-input multiple-output MIMO systems employing…

Information Theory · Computer Science 2016-07-07 Gokhan M. Guvensen , Ender Ayanoglu

This paper investigates physical layer security for a large-scale WSN with random multiple access, where each fusion center in the network randomly schedules a number of sensors to upload their sensed data subject to the overhearing of…

Information Theory · Computer Science 2022-04-14 Tong-Xing Zheng , Xin Chen , Chao Wang , Kai-Kit Wong , Jinhong Yuan

Semantic communication is an increasingly popular framework for wireless image transmission due to its high communication efficiency. With the aid of the joint-source-and-channel (JSC) encoder implemented by neural network, semantic…

Information Theory · Computer Science 2022-12-02 Maojun Zhang , Yang Li , Zezhong Zhang , Guangxu Zhu , Caijun Zhong