no code implementations • 31 Oct 2022 • Joan Palacios, Nuria González-Prelcic
Greedy sparse recovery has become a popular tool in many applications, although its complexity is still prohibitive when large sparsifying dictionaries or sensing matrices have to be exploited.
no code implementations • 17 Oct 2022 • Hongxiang Xie, Joan Palacios, Nuria González-Prelcic
Low overhead channel estimation based on compressive sensing (CS) has been widely investigated for hybrid wideband millimeter wave (mmWave) multiple-input multiple-output (MIMO) systems.
no code implementations • 24 Aug 2022 • Joan Palacios, Nuria González-Prelcic, Cristian Rusu
Greedy approaches in general, and orthogonal matching pursuit in particular, are the most commonly used sparse recovery techniques in a wide range of applications.
no code implementations • 7 Apr 2022 • Joan Palacios, Nuria González-Prelcic, Cristian Rusu
Compressive approaches provide a means of effective channel high resolution channel estimates in millimeter wave MIMO systems, despite the use of analog and hybrid architectures.
no code implementations • 4 Apr 2022 • Yun Chen, Joan Palacios, Nuria González-Prelcic, Takayuki Shimizu, HongSheng Lu
High resolution compressive channel estimation provides information for vehicle localization when a hybrid mmWave MIMO system is considered.
no code implementations • 24 Mar 2022 • Murat Bayraktar, Joan Palacios, Nuria González-Prelcic, Charlie Jianzhong Zhang
RIS-aided millimeter wave wireless systems benefit from robustness to blockage and enhanced coverage.
no code implementations • 9 Dec 2021 • Anish Shastri, Joan Palacios, Paolo Casari
In this work, we propose a shallow neural network model to localize mmWave devices indoors.
no code implementations • 16 Nov 2021 • Joan Palacios, Nuria González-Prelcic, Carlos Mosquera, Takayuki Shimizu
Beamforming gain is a key ingredient in the performance of LEO satellite communication systems to be integrated into cellular networks.
no code implementations • 22 Apr 2021 • Joan Palacios, Nuria Gonzalez-Prelcic, Carlos Mosquera, Takayuki Shimizu, Chang-Heng Wang
5G and future cellular networks intend to incorporate low earth orbit (LEO) satellite communication systems (SatCom) to solve the coverage and availability problems that cannot be addressed by satellite-based or ground-based infrastructure alone.