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Rethinking Dense Cells for Integrated Sensing and Communications: A Stochastic Geometric View
Abdelhamid Salem, Kaitao Meng, Christos Masouros +2
The inclusion of the sensing functionality in the coming generations of cellular networks necessitates a rethink of dense cell deployments. In this paper, we analyze and optimize d…
Speeding-up Symbol-Level Precoding Using Separable and Dual Optimizations
Junwen Yang, Ang Li, Xuewen Liao +1
Symbol-level precoding (SLP) manipulates the transmitted signals to accurately exploit the multi-user interference (MUI) in the multi-user downlink. This enables that all the resul…
RIS-assisted Integrated Sensing and Communications: A Subspace Rotation Approach
Xiao Meng, Fan Liu, Shihang Lu +2
In this paper, we propose a novel joint active and passive beamforming approach for integrated sensing and communication (ISAC) transmission with assistance of reconfigurable intel…
NOMA Made Practical: Removing the Receive SIC Processing through Interference Exploitation
Abdelhamid Salem, Xiao Tong, Ang Li +1
Non-orthogonal multiple access (NOMA) is a powerful transmission technique that enhances the spectral efficiency of communication links, and is being investigated for 5G standards…
Sensing-Assisted Eavesdropper Estimation: An ISAC Breakthrough in Physical Layer Security
Nanchi Su, Fan Liu, Christos Masouros
In this paper, we investigate the sensing-aided physical layer security (PLS) towards Integrated Sensing and Communication (ISAC) systems. A well-known limitation of PLS is the nee…
Seventy Years of Radar and Communications: The Road from Separation to Integration
Fan Liu, Le Zheng, Yuanhao Cui +4
Radar and communications (R&C) as key utilities of electromagnetic (EM) waves have fundamentally shaped human society and triggered the modern information age. Although R&C have be…
Low Complexity SLP: An Inversion-Free, Parallelizable ADMM Approach
Junwen Yang, Ang Li, Xuewen Liao +1
We propose a parallel constructive interference (CI)-based symbol-level precoding (SLP) approach for massive connectivity in the downlink of multiuser multiple-input single-output…
Energy-Efficient Trajectory Design of a Multi-IRS Assisted Portable Access Point
Nithin Babu, Marco Virgili, Mohammad Al-jarrah +6
In this work, we propose a framework for energy-efficient trajectory design of an unmanned aerial vehicle (UAV)-based portable access point (PAP) deployed to serve a set of ground…
ISAC from the Sky: UAV Trajectory Design for Joint Communication and Target Localization
Xiaoye Jing, Fan Liu, Christos Masouros +1
Unmanned aerial vehicles (UAVs) as aerial base stations (BSs) are able to provide not only the communication service to ground users, but also the sensing functionality to localize…
Vehicular Connectivity on Complex Trajectories: Roadway-Geometry Aware ISAC Beam-tracking
Xiao Meng, Fan Liu, Christos Masouros +3
In this paper, we propose sensing-assisted beamforming designs for vehicles on arbitrarily shaped roads by relying on integrated sensing and communication (ISAC) signalling.Specifi…
Practical Interference Exploitation Precoding without Symbol-by-Symbol Optimization: A Block-Level Approach
Ang Li, Chao Shen, Xuewen Liao +2
In this paper, we propose a constructive interference (CI)-based block-level precoding (CI-BLP) approach for the downlink of a multi-user multiple-input single-output (MU-MISO) com…
Block-Level Interference Exploitation Precoding without Symbol-by-Symbol Optimization
Ang Li, Chao Shen, Xuewen Liao +2
Symbol-level precoding (SLP) based on the concept of constructive interference (CI) is shown to be superior to traditional block-level precoding (BLP), however at the cost of a sym…
An Experimental Proof of Concept for Integrated Sensing and Communications Waveform Design
Tongyang Xu, Fan Liu, Christos Masouros +1
The integration of sensing and communication (ISAC) functionalities have recently gained significant research interest as a hardware-, power-, spectrum- and cost- efficient solutio…
Energy Efficient Dual-Functional Radar-Communication: Rate-Splitting Multiple Access, Low-Resolution DACs, and RF Chain Selection
Onur Dizdar, Aryan Kaushik, Bruno Clerckx +1
Dual-Functional Radar-Communication systems enhance the benefits of communications and radar sensing by jointly implementing these on the same hardware platform and using the commo…
Integrated Sensing and Communication with mmWave Massive MIMO: A Compressed Sampling Perspective
Zhen Gao, Ziwei Wan, Dezhi Zheng +4
Integrated sensing and communication (ISAC) has opened up numerous game-changing opportunities for realizing future wireless systems. In this paper, we propose an ISAC processing f…