no code implementations • 16 Apr 2024 • Ibrahim Kilinc, Ryan M. Dreifuerst, JungHoon Kim, Robert W. Heath Jr
Codebook-based beam selection is one approach for configuring millimeter wave communication links.
no code implementations • 5 Mar 2024 • Ryan M. Dreifuerst, Robert W. Heath Jr
Obtaining accurate and timely channel state information (CSI) is a fundamental challenge for large antenna systems.
no code implementations • 24 Nov 2023 • Ryan M. Dreifuerst, Robert W. Heath Jr
Beam management is a strategy to unify beamforming and channel state information (CSI) acquisition with large antenna arrays in 5G.
1 code implementation • IEEE Transactions on Wireless Communications 2023 • Cleverson V. Nahum, Victor Hugo Lopes, Ryan M. Dreifuerst, Pedro Batista, Ilan Correa, Kleber V. Cardoso, Aldebaro Klautau, and Robert W. Heath Jr
In this scenario, radio resource scheduling (RRS) is responsible for dealing with scarce and limited frequency spectrum resources available at the RAN domain while fulfilling the slice intents.
no code implementations • 6 Mar 2023 • Ryan M. Dreifuerst, Robert W. Heath Jr
In this paper, we characterize the role of each codebook used during the beam management process and design a neural network to find codebooks that improve overall system performance.
no code implementations • 31 Jan 2023 • Ryan M. Dreifuerst, Robert W. Heath Jr
Massive multiple-input multiple-output (MIMO) is an important technology in fifth generation (5G) cellular networks and beyond.
no code implementations • 12 Apr 2022 • Ryan M. Dreifuerst, Robert W. Heath Jr., Ali Yazdan
The performance, however, is limited by the codebook design.
no code implementations • 22 Oct 2020 • Ryan M. Dreifuerst, Samuel Daulton, Yuchen Qian, Paul Varkey, Maximilian Balandat, Sanjay Kasturia, Anoop Tomar, Ali Yazdan, Vish Ponnampalam, Robert W. Heath
Wireless cellular networks have many parameters that are normally tuned upon deployment and re-tuned as the network changes.
no code implementations • 11 Oct 2020 • Ryan M. Dreifuerst, Andrew Graff, Sidharth Kumar, Clive Unger, Dylan Bray
This paper presents a novel method for classifying radio frequency (RF) devices from their transmission signals.