402 citations · 1.7k across the 25 of their papers we have counts for
11 papers · 1 filter
Movable Antenna Aided Robust Wireless Transmission: From Model-Based Optimization to Scalable Reinforcement Learning
Jinshuo Zhang, Yafei Wang, Hongwei Hou +4
This paper investigates robust joint antenna positioning and precoding for multiuser movable antenna (MA) systems under imperfect channel state information (CSI). First, we identif…
CORDIS: A Scalable Coordinated Resource Allocation Framework for Distributed Cell-Free ISAC
Mehdi Zafari, Björn Ottersten, A. Lee Swindlehurst
Integrated Sensing and Communication (ISAC) is envisioned as a key technology for 6G wireless networks, enabling the joint use of spectrum and hardware for sensing and communicatio…
CoFAR Clutter Estimation using Covariance-Free Bayesian Learning
Kunwar Pritiraj Rajput, Bhavani Shankar M. R., Kumar Vijay Mishra +2
A cognitive fully adaptive radar (CoFAR) adapts its behavior on its own within a short period of time in response to changes in the target environment. For the CoFAR to function pr…
Double-Phase-Shifter based Hybrid Beamforming for mmWave DFRC in the Presence of Extended Target and Clutters
Ziyang Cheng, Linlong Wu, Bowen Wang +2
In millimeter-wave (mmWave) dual-function radar-communication (DFRC) systems, hybrid beamforming (HBF) is recognized as a promising technique utilizing a limited number of radio fr…
Optimal Sensor Placement for Source Localization: A Unified ADMM Approach
Nitesh Sahu, Linlong Wu, Prabhu Babu +2
Source localization plays a key role in many applications including radar, wireless and underwater communications. Among various localization methods, the most popular ones are Tim…
Resource Allocation in Heterogeneously-Distributed Joint Radar-Communications under Asynchronous Bayesian Tracking Framework
Linlong Wu, Kumar Vijay Mishra, Bhavani Shankar M. R. +1
Optimal allocation of shared resources is key to deliver the promise of jointly operating radar and communications systems. In this paper, unlike prior works which examine synergis…
Heterogeneously-Distributed Joint Radar Communications: Bayesian Resource Allocation
Linlong Wu, Kumar Vijay Mishra, Bhavani Shankar M. R. +1
Due to spectrum scarcity, the coexistence of radar and wireless communication has gained substantial research interest recently. Among many scenarios, the heterogeneouslydistribute…
On the Performance of One-Bit DoA Estimation via Sparse Linear Arrays
Saeid Sedighi, M. R. Bhavani Shankar, Mojtaba Soltanalian +1
Direction of Arrival (DoA) estimation using Sparse Linear Arrays (SLAs) has recently gained considerable attention in array processing thanks to their capability to provide enhance…
Downlink Transmit Design for Massive MIMO LEO Satellite Communications
Ke-Xin Li, Li You, Jiaheng Wang +4
This paper investigates the downlink (DL) transmit design for massive multiple-input multiple-output (MIMO) low-earth-orbit (LEO) satellite communication systems, where only the sl…
Localization with One-Bit Passive Radars in Narrowband Internet-of-Things using Multivariate Polynomial Optimization
Saeid Sedighi, Kumar Vijay Mishra, M. R. Bhavani Shankar +1
Several Internet-of-Things (IoT) applications provide location-based services, wherein it is critical to obtain accurate position estimates by aggregating information from individu…
A Family of Deep Learning Architectures for Channel Estimation and Hybrid Beamforming in Multi-Carrier mm-Wave Massive MIMO
Ahmet M. Elbir, Kumar Vijay Mishra, M. R. Bhavani Shankar +1
Hybrid analog and digital beamforming transceivers are instrumental in addressing the challenge of expensive hardware and high training overheads in the next generation millimeter-…