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The millimeter wave (mmW) frequency spectrum has been explored recently for large bandwidth communication. At these frequencies, narrow directional beams are required for communication since the signal attenuation is high due to atmospheric…

Signal Processing · Electrical Eng. & Systems 2026-03-10 Jeet Tekchandani , Jai Mangal , Sumit J. Darak , Shobha Sundar Ram

Simultaneous use of high-end wearable wireless devices like smart glasses is challenging in a dense indoor environment due to the high nature of interference. In this scenario, the millimeter wave (mmWave) band offers promising potential…

Information Theory · Computer Science 2016-06-14 Kiran Venugopal , Robert W. Heath

Beamforming techniques have been widely used in the millimeter wave (mmWave) bands to mitigate the path loss of mmWave radio links as the narrow straight beams by directionally concentrating the signal energy. However, traditional mmWave…

Information Theory · Computer Science 2023-04-03 Kan Zheng , Haojun Yang , Ziqiang Ying , Pengshuo Wang , Lajos Hanzo

In the paper, we make an investigation of robust beamforming for secure directional modulation in the multi-user multiple-input and multiple output (MU-MIMO) systems in the presence of direction angle measurement errors. When statistical…

Information Theory · Computer Science 2018-12-26 Feng Shu , Wei Zhu , Xiangwei Zhou , Jun Li , Jinhui Lu

We study the distribution of the interference power in a millimeter wave (mmWave) cellular network. Such interference is random and highly dependent on the employed transmission technique, as well as the varying channel conditions and the…

Signal Processing · Electrical Eng. & Systems 2019-11-14 Alireza Alizadeh , Mai Vu , Theodore S. Rappaport

This paper studies a secure cell-free integrated sensing and communication (ISAC) system, in which multiple ISAC transmitters collaboratively send confidential information to multiple communication users (CUs) and concurrently conduct…

Information Theory · Computer Science 2023-12-08 Zixiang Ren , Jie Xu , Ling Qiu , Derrick Wing Kwan Ng

In this study, we consider the physical layer security in the downlink of a Massive MIMO system employing one-bit quantization at the base station (BS). We assume an active eavesdropper that attempts to spoiling the channel estimation…

Information Theory · Computer Science 2020-03-03 M. A. Teeti

We present a new approach to secure wireless communications using coherent distributed transmission of signals that are spatially decomposed between a two-element distributed antenna array. High-accuracy distributed coordination of…

Signal Processing · Electrical Eng. & Systems 2025-12-17 Anton Schlegel , Jason M/ Merlo , Samuel Wagner , John B. Lancaster , Jeffrey A. Nanzer

Beamspace dimensionality reduction, a classical tool in array processing, has been shown in recent work to significantly reduce computational complexity and training overhead for adaptive reception in massive multiuser (MU) MIMO. For sparse…

Signal Processing · Electrical Eng. & Systems 2025-12-09 Canan Cebeci , Oveys Delafrooz Noroozi , Upamanyu Madhow

This work investigates the possibility of using non-orthogonal multi-carrier waveforms to defend against eavesdropping attacks. The sophisticated detection required for non-orthogonal signals provides a natural defence mechanism in secure…

Signal Processing · Electrical Eng. & Systems 2020-04-23 Tongyang Xu

In this paper, we consider the physical layer security (PLS) problem for integrated sensing and communication (ISAC) systems in the presence of hybrid-colluding eavesdroppers, where an active eavesdropper (AE) and a passive eavesdropper…

Systems and Control · Electrical Eng. & Systems 2025-02-10 Meiding Liu , Zhengchun Zhou , Qiao Shi , Guyue Li , Zilong Liu , Pingzhi Fan , Inkyu Lee

Millimeter wave (mmWave) communications have been postulated as one of the most disruptive technologies for future 5G systems. Among mmWave bands the 60-GHz radio technology is specially suited for ultradense small cells and mobile data…

Networking and Internet Architecture · Computer Science 2016-05-19 Cristina Perfecto , Javier Del Ser , Muhammad Ikram Ashraf , Miren Nekane Bilbao , Mehdi Bennis

A core challenge in physical-layer security is the difficulty of obtaining the channel state information (CSI) of potential eavesdroppers. The inherent sensing functionality of integrated sensing and communication (ISAC) systems offers a…

Information Theory · Computer Science 2026-04-28 Yaxuan Chen , Guangchi Zhang , Miao Cui , Hao Fu , Qingqing Wu , Rui Zhang

In this paper, we investigate secure communication over sparse millimeter-wave (mm-Wave) massive multiple-input multiple-output (MIMO) channels by exploiting the spatial sparsity of legitimate user's channel. We propose a secure…

Information Theory · Computer Science 2019-11-19 Jindan Xu , Wei Xu , Derrick Wing Kwan Ng , A. Lee Swindlehurst

In this paper, we study the problem of physical layer security in large-scale multiple input multiple output (LS-MIMO) systems. The large number of antenna elements in LS-MIMO system is exploited to enhance transmission security and improve…

Information Theory · Computer Science 2014-07-29 Xiaoming Chen , Chau Yuen , Zhaoyang Zhang

Deep learning driven joint source-channel coding (JSCC) for wireless image or video transmission, also called DeepJSCC, has been a topic of interest recently with very promising results. The idea is to map similar source samples to nearby…

Cryptography and Security · Computer Science 2022-09-01 Tze-Yang Tung , Deniz Gunduz

With the wide bandwidths in millimeter wave (mmWave) frequency band that results in unprecedented accuracy, mmWave sensing has become vital for many applications, especially in autonomous vehicles (AVs). In addition, mmWave sensing has…

Cryptography and Security · Computer Science 2020-11-24 Zhi Sun , Sarankumar Balakrishnan , Lu Su , Arupjyoti Bhuyan , Pu Wang , Chunming Qiao

Location privacy is one of the major security problems in a Wireless Body Area Networks (WBANs). An eavesdropper can keep track of the place and time devices are communicating. To make things even worse, the attacker does not have to be…

Cryptography and Security · Computer Science 2011-03-18 Mohammed Mana , Mohammed Feham , Boucif Amar Bensaber

Increased density of wireless devices, ever growing demands for extremely high data rate, and spectrum scarcity at microwave bands make the millimeter wave (mmWave) frequencies an important player in future wireless networks. However,…

Information Theory · Computer Science 2015-09-28 Hossein Shokri-Ghadikolaei , Carlo Fischione , Petar Popovski , Michele Zorzi

Incorporating rate splitting multiple access (RSMA) into integrated sensing and communication (ISAC) presents a significant security challenge, particularly in scenarios where the location of a potential eavesdropper (Eve) is unidentified.…

Signal Processing · Electrical Eng. & Systems 2024-07-23 A. Abdelaziz Salem , Saeed Abdallah , Mohamed Saad , Khawla Alnajjar , Mahmoud A. Albreem
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