no code implementations • 7 Mar 2024 • Aron Bevelander, Kim Batselier, Nitin Jonathan Myers
Compressed sensing (CS) techniques demand significant storage and computational resources, when recovering high-dimensional sparse signals.
no code implementations • 11 Oct 2023 • Weijia Yi, Nitin Jonathan Myers, Geethu Joseph
Our method exploits the sparse structure in mmWave channels for low training overhead and accounts for the phase errors in the channel measurements due to phase noise at the oscillator.
no code implementations • 25 Aug 2023 • Hamed Masoumi, Michel Verhaegen, Nitin Jonathan Myers
The essence of our framework lies in the construction of a low-resolution beam codebook to identify the best sector and in the design of the CS matrix for in-sector channel estimation.
no code implementations • 8 Feb 2023 • Hamed Masoumi, Michel Verhaegen, Nitin Jonathan Myers
Orthogonal matching pursuit (OMP) is a widely used greedy algorithm for sparse signal recovery in compressed sensing (CS).
no code implementations • 23 May 2022 • Hamed Masoumi, Nitin Jonathan Myers, Geert Leus, Sander Wahls, Michel Verhaegen
Fast millimeter wave (mmWave) channel estimation techniques based on compressed sensing (CS) suffer from low signal-to-noise ratio (SNR) in the channel measurements, due to the use of wide beams.
no code implementations • 20 May 2022 • Nitin Jonathan Myers, Yanki Aslan, Geethu Joseph
Phased arrays in near-field communication allow the transmitter to focus wireless signals in a small region around the receiver.
no code implementations • 10 Aug 2021 • Kartik Patel, Nitin Jonathan Myers, Robert W. Heath Jr
Using simulations, we study the performance of the proposed defense technique against a greedy eavesdropping strategy in a vehicle-to-infrastructure scenario.
no code implementations • 27 Feb 2021 • Yuyang Wang, Nitin Jonathan Myers, Nuria González-Prelcic, Robert W. Heath Jr
We design fully-connected layers to optimize channel acquisition and beam alignment.
no code implementations • 6 Sep 2020 • Preeti Kumari, Nitin Jonathan Myers, Robert W. Heath Jr
To rapidly estimate the mmWave automotive radar channel in the Doppler-angle domain with a wide field-of-view, our JCR design employs a few circulant shifts of the transmit beamformer and apply two-dimensional partial Fourier compressed sensing technique.
no code implementations • 8 Jun 2020 • Nitin Jonathan Myers, Robert W. Heath Jr
In this paper, we investigate the misfocus effect and propose InFocus, a low complexity technique to construct beams that are well suited for massive wideband phased arrays.
no code implementations • 11 May 2020 • Yuyang Wang, Nitin Jonathan Myers, Nuria González-Prelcic, Robert W. Heath Jr
Furthermore, based on the CS channel measurements, we develop techniques to update and learn such channel AoD statistics at the BS.