Research

Receiving RISs: Enabling Channel Estimation and Autonomous Configuration
This work addresses semi-passive Reconfigurable Intelligent Surface (RIS) architectures enhanced with radio-frequency (RF) chains for …
DOI
Biconvex Optimization for Time-Domain Channel Estimation Under Dual-Wideband Fading Conditions
Single-carrier (SC) waveforms offer significant ad- vantages in high-frequency communications due to their lower peak-to-average power …
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Flexible Hybrid Precoding for Integrated Sensing and Communications

Key Contributions

  • Presents flexible hybrid precoding architectures for Integrated Sensing and Communications (ISAC), enabling simultaneous radar sensing and multi-user data transmission from a shared antenna array.
  • Develops optimization frameworks that balance sensing beampattern design with communication spectral efficiency under practical hardware constraints including finite-resolution phase shifters.
  • Provides a comprehensive treatment of ISAC precoding in a book chapter context, covering design principles, algorithmic solutions, and trade-off analysis for next-generation wireless systems.
Improving Wideband Massive MIMO Channel Estimation With UAV State-Space Information
In this paper, we focus on the estimation of massive Multiple-Input Multiple-Output (mMIMO) channels in high-frequency point-to-point …
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Intelligent UAV Path Planning for Ergodic Rate Maximization of MIMO Multipath Channels
Reliable communication between ground control stations and unmanned aerial vehicles (UAVs) is fundamental for safe, autonomous, and …
New Paper: Enabling Extended Reality Applications over 5G Mobile Networks
The study optimizes 5G network performance to support seamless and immersive extended reality experiences on-the-go.
Aug 1, 2024 1 min read Paper
New Paper: Velocity-aided channel estimation for spatially selective mmWave massive MIMO communications
This study introduces velocity-aided channel estimation for spatially selective mmWave massive MIMO communications, significantly improving channel estimation accuracy by incorporating vehicle velocity information.
Sep 4, 2023 1 min read Paper
New Paper: Covariance-based hybrid beamforming for spectrally efficient joint radar-communications
This paper develops a covariance-based hybrid beamformer for spectrally efficient joint radar-communications systems, enhancing interference mitigation and spectral efficiency by leveraging fewer RF chains than transmit antennas.
May 28, 2023 1 min read Paper
New Paper: Flexible hybrid beamforming for spectrally efficient 6g joint radar-communications
This research proposes a novel flexible hybrid beamforming scheme for spectrally efficient 6G joint radar-communications, enabling interference mitigation and improved system performance through reduced RF chain usage.
May 28, 2023 1 min read Paper
New Paper: Millimeter wave channel estimation for lens based hybrid MIMO with low resolution ADCs
This paper develops a novel channel estimation method for lens-based hybrid MIMO systems using low-resolution ADCs, significantly improving performance and enabling practical mmWave applications.
May 28, 2023 1 min read Paper