121 citations · 431 across the 34 of their papers we have counts for
17 papers · 1 filter
Meta-ViterbiNet: Online Meta-Learned Viterbi Equalization for Non-Stationary Channels
Tomer Raviv, Sangwoo Park, Nir Shlezinger +3
Deep neural networks (DNNs) based digital receivers can potentially operate in complex environments. However, the dynamic nature of communication channels implies that in some scen…
Wireless Federated Distillation for Distributed Edge Learning with Heterogeneous Data
Jin-Hyun Ahn, Osvaldo Simeone, Joonhyuk Kang
Cooperative training methods for distributed machine learning typically assume noiseless and ideal communication channels. This work studies some of the opportunities and challenge…
Coded Federated Computing in Wireless Networks with Straggling Devices and Imperfect CSI
Sukjong Ha, Jingjing Zhang, Osvaldo Simeone +1
Distributed computing platforms typically assume the availability of reliable and dedicated connections among the processors. This work considers an alternative scenario, relevant…
Wireless Map-Reduce Distributed Computing with Full-Duplex Radios and Imperfect CSI
Sukjong Ha, Jingjing Zhang, Osvaldo Simeone +1
Consider a distributed computing system in which the worker nodes are connected over a shared wireless channel. Nodes can store a fraction of the data set over which computation ne…
On the Feasibility of Full-duplex Large-scale MIMO Cellular Systems
Jeongwan Koh, Yeon-Geun Lim, Chan-Byoung Chae +1
This paper concerns the feasibility of full-duplex large-scale multiple-input-multiple-output (MIMO) cellular systems. We first propose a pilot transmission scheme and assess its p…
Optimization of Massive Full-Dimensional MIMO for Positioning and Communication
Seongah Jeong, Osvaldo Simeone, Joonhyuk Kang
Massive Full-Dimensional multiple-input multiple-output (FD-MIMO) base stations (BSs) have the potential to bring multiplexing and coverage gains by means of three-dimensional (3D)…
Control-Data Separation with Decentralized Edge Control in Fog-Assisted Uplink Communications
Jinkyu Kang, Osvaldo Simeone, Joonhyuk Kang +1
Fog-aided network architectures for 5G systems encompass wireless edge nodes, referred to as remote radio systems (RRSs), as well as remote cloud center (RCC) processors, which are…
On the Trade-Off between Computational Load and Reliability for Network Function Virtualization
Jinkyu Kang, Osvaldo Simeone, Joonhyuk Kang
Network Function Virtualization (NFV) enables the "softwarization" of network functions, which are implemented on virtual machines hosted on Commercial off-the-shelf (COTS) servers…
Control-Data Separation across Edge and Cloud for Uplink Communications in C-RAN
Jinkyu Kang, Osvaldo Simeone, Joonhyuk Kang +1
Fronthaul limitations in terms of capacity and latency motivate the growing interest in the wireless industry for the study of alternative functional splits between cloud and edge…
Layered Downlink Precoding for C-RAN Systems with Full Dimensional MIMO
Jinkyu Kang, Osvaldo Simeone, Joonhyuk Kang +1
The implementation of a Cloud Radio Access Network (C-RAN) with Full Dimensional (FD)-MIMO is faced with the challenge of controlling the fronthaul overhead for the transmission of…
Positioning via Direct Localization in C-RAN Systems
Seongah Jeong, Osvaldo Simeone, Alexander Haimovich +1
Cloud Radio Access Network (C-RAN) is a prominent architecture for 5G wireless cellular system that is based on the centralization of baseband processing for multiple distributed r…
Multivariate Fronthaul Quantization for Downlink C-RAN
Wonju Lee, Osvaldo Simeone, Joonhyuk Kang +1
The Cloud-Radio Access Network (C-RAN) cellular architecture relies on the transfer of complex baseband signals to and from a central unit (CU) over digital fronthaul links to enab…
HARQ Buffer Management: An Information-Theoretic View
Wonju Lee, Osvaldo Simeone, Joonhyuk Kang +2
A key practical constraint on the design of Hybrid automatic repeat request (HARQ) schemes is the size of the on-chip buffer that is available at the receiver to store previously r…
Multistatic Cloud Radar Systems: Joint Sensing and Communication Design
Seongah Jeong, Shahrouz Khalili, Osvaldo Simeone +2
In a multistatic cloud radar system, receive sensors measure signals sent by a transmit element and reflected from a target and possibly clutter, in the presence of interference an…
Optimal Fronthaul Quantization for Cloud Radio Positioning
Seongah Jeong, Osvaldo Simeone, Alexander Haimovich +1
Wireless positioning systems that are implemented by means of a Cloud Radio Access Networks (C-RANs) may provide cost-effective solutions, particularly for indoor localization. In…
Beamforming Design for Joint Localization and Data Transmission in Distributed Antenna System
Seongah Jeong, Osvaldo Simeone, Alexander Haimovich +1
A distributed antenna system is studied whose goal is to provide data communication and positioning functionalities to Mobile Stations (MSs). Each MS receives data from a number of…
Spectrum Leasing via Cooperation for Enhanced Physical-Layer Secrecy
Keonkook Lee, Chan-Byoung Chae, Joonhyuk Kang
Spectrum leasing via cooperation refers to the possibility of primary users leasing a portion of the spectral resources to secondary users in exchange for cooperation. In the prese…