no code implementations • 4 Jan 2025 • Yongjeong Oh, Joohyuk Park, Jinho Choi, Jihong Park, Yo-Seb Jeon
To address this challenge, in our framework, an error-adaptive blind training strategy is devised, which eliminates the need for prior knowledge of communication environments.
1 code implementation • 6 Dec 2024 • Hyesu Lim, Jinho Choi, Jaegul Choo, Steffen Schneider
Adapting foundation models for specific purposes has become a standard approach to build machine learning systems for downstream applications.
no code implementations • 15 Oct 2024 • M Khalil, Ke Wang, Jinho Choi
This study introduces an innovative approach for adaptive power allocation in Non-Orthogonal Multiple Access (NOMA) systems, enhanced by the integration of spaceborne and terrestrial signals through a Reconfigurable Intelligent Surface (RIS).
no code implementations • 25 Sep 2024 • Sivaram Krishnan, Jihong Park, Gregory Sherman, Benjamin Campbell, Jinho Choi
Low Probability of Detection (LPD) communication aims to obscure the presence of radio frequency (RF) signals to evade surveillance.
no code implementations • 21 Aug 2024 • Jinho Choi, Sivaram Krishnan, Jihong Park
The Koopman autoencoder, a data-driven technique, has gained traction for modeling nonlinear dynamics using deep learning methods in recent years.
no code implementations • 6 Jun 2024 • Jinho Choi
Among those, sparse identification of nonlinear dynamics (SINDy) stands out as a successful method capable of modeling governing equations with a minimal number of terms, utilizing the principles of compressive sensing.
no code implementations • 16 May 2024 • Eleonora Grassucci, Jinho Choi, Jihong Park, Riccardo F. Gramaccioni, Giordano Cicchetti, Danilo Comminiello
In recent years, novel communication strategies have emerged to face the challenges that the increased number of connected devices and the higher quality of transmitted information are posing.
1 code implementation • 16 May 2024 • Giordano Cicchetti, Eleonora Grassucci, Jihong Park, Jinho Choi, Sergio Barbarossa, Danilo Comminiello
In the new paradigm of semantic communication (SC), the focus is on delivering meanings behind bits by extracting semantic information from raw data.
no code implementations • 4 Feb 2024 • Chang-Yong Lim, Jihong Park, Jinho Choi, Ju-Hyung Lee, Daesub Oh, Heewook Kim
In this article, we propose a multi-agent deep reinforcement learning (MADRL) framework to train a multiple access protocol for downlink low earth orbit (LEO) satellite networks.
no code implementations • 23 Jan 2024 • Sivaram Krishnan, Jihong Park, Gregory Sherman, Benjamin Campbell, Jinho Choi
Low Probability of Detection (LPD) communication aims to obscure the very presence of radio frequency (RF) signals, going beyond just hiding the content of the communication.
no code implementations • 10 Jan 2024 • Eleonora Grassucci, Jihong Park, Sergio Barbarossa, Seong-Lyun Kim, Jinho Choi, Danilo Comminiello
Disclosing generative models capabilities in semantic communication paves the way for a paradigm shift with respect to conventional communication systems, which has great potential to reduce the amount of data traffic and offers a revolutionary versatility to novel tasks and applications that were not even conceivable a few years ago.
no code implementations • 14 Oct 2023 • Jihong Park, Seung-Woo Ko, Jinho Choi, Seong-Lyun Kim, Mehdi Bennis
neural network-oriented symbolic protocols developed by converting Level 1 MAC outputs into explicit symbols; and Level 3 MAC.
no code implementations • 13 Oct 2023 • Jinhyuk Choi, Jihong Park, Seung-Woo Ko, Jinho Choi, Mehdi Bennis, Seong-Lyun Kim
In this method, referred to as SL with layer freezing (SLF), each encoder downloads a misaligned decoder, and locally fine-tunes a fraction of these encoder-decoder NN layers.
no code implementations • 20 Sep 2023 • Hyelin Nam, Jihong Park, Jinho Choi, Mehdi Bennis, Seong-Lyun Kim
By integrating recent advances in large language models (LLMs) and generative models into the emerging semantic communication (SC) paradigm, in this article we put forward to a novel framework of language-oriented semantic communication (LSC).
Ranked #1 on
Text-to-Image Generation
on Flickr-8k
no code implementations • 8 Sep 2023 • Hyelin Nam, Jihong Park, Jinho Choi, Seong-Lyun Kim
Our work is expected to pave a new road of utilizing state-of-the-art generative models to real communication systems
no code implementations • 8 Jun 2023 • Hyein Lee, Jihong Park, Sooyoung Kim, Jinho Choi
In this paper, we introduce a novel semantic generative communication (SGC) framework, where generative users leverage text-to-image (T2I) generators to create images locally from downloaded text prompts, while non-generative users directly download images from a base station (BS).
no code implementations • 2 Jun 2023 • Sivaram Krishnan, Mahyar Nemati, Seng W. Loke, Jihong Park, Jinho Choi
This paper presents a wireless data collection framework that employs an unmanned aerial vehicle (UAV) to efficiently gather data from distributed IoT sensors deployed in a large area.
no code implementations • 1 Jun 2023 • Sivaram Krishnan, Jihong Park, Subhash Sagar, Gregory Sherman, Benjamin Campbell, Jinho Choi
Low probability of detection (LPD) has recently emerged as a means to enhance the privacy and security of wireless networks.
no code implementations • 24 May 2023 • Shiva Raj Pokhrel, Jonathan Kua, Deol Satish, Philip Williams, Arkady Zaslavsky, Seng W. Loke, Jinho Choi
The proposed CKD framework transfers and fuses pose knowledge from a robust "Teacher" model to a parameterized "Student" model, which can be a promising technique for obtaining accurate yet lightweight pose estimates.
no code implementations • 31 Mar 2023 • ZiHao Wang, Eugene Agichtein, Jinho Choi
In a multi-turn dialogue, to capture the gist of a conversation, contextual information serves as essential knowledge to achieve this goal.
no code implementations • 15 Feb 2023 • Jinho Choi, Jihong Park, Abhinav Japesh, Adarsh
Autoencoder (AE) is a neural network (NN) architecture that is trained to reconstruct an input at its output.
no code implementations • 14 Jan 2023 • Subhash Sagar, Chang-Sun Li, Seng W. Loke, Jinho Choi
Federated learning (FL) enables the training of models among distributed clients without compromising the privacy of training datasets, while the invisibility of clients datasets and the training process poses a variety of security threats.
no code implementations • 13 Dec 2022 • Jihong Park, Jinho Choi, Seong-Lyun Kim, Mehdi Bennis
Metaverse over wireless networks is an emerging use case of the sixth generation (6G) wireless systems, posing unprecedented challenges in terms of its multi-modal data transmissions with stringent latency and reliability requirements.
no code implementations • 23 Nov 2022 • Hyeonsik Yeom, Junguk Park, Jinho Choi, Jeongseok Ha
It is demonstrated that the proposed bound provides a more accurate performance estimate of CF-mMIMO than that of the existing UatF bound.
no code implementations • 3 Nov 2022 • Shiva Raj Pokhrel, Jinho Choi, Anwar Walid
The bottleneck of distributed edge learning (DEL) over wireless has shifted from computing to communication, primarily the aggregation-averaging (Agg-Avg) process of DEL.
no code implementations • 8 Jul 2022 • Sejin Seo, Jihong Park, Seung-Woo Ko, Jinho Choi, Mehdi Bennis, Seong-Lyun Kim
Classical medium access control (MAC) protocols are interpretable, yet their task-agnostic control signaling messages (CMs) are ill-suited for emerging mission-critical applications.
no code implementations • 18 Mar 2022 • Shikib Mehri, Jinho Choi, Luis Fernando D'Haro, Jan Deriu, Maxine Eskenazi, Milica Gasic, Kallirroi Georgila, Dilek Hakkani-Tur, Zekang Li, Verena Rieser, Samira Shaikh, David Traum, Yi-Ting Yeh, Zhou Yu, Yizhe Zhang, Chen Zhang
This is a report on the NSF Future Directions Workshop on Automatic Evaluation of Dialog.
no code implementations • 11 Dec 2021 • Shraman Pal, Mansi Uniyal, Jihong Park, Praneeth Vepakomma, Ramesh Raskar, Mehdi Bennis, Moongu Jeon, Jinho Choi
In recent years, there have been great advances in the field of decentralized learning with private data.
1 code implementation • NAACL (CMCL) 2021 • Yuting Guo, Jinho Choi
We present a novel deep learning-based framework to generate embedding representations of fine-grained emotions that can be used to computationally describe psychological models of emotions.
no code implementations • 16 Apr 2021 • Abanoub M. Girgis, Hyowoon Seo, Jihong Park, Mehdi Bennis, Jinho Choi
Numerical results under a non-linear cart-pole environment demonstrate that the proposed split learning of a Koopman autoencoder can locally predict future states, and the prediction accuracy increases with the representation dimension and transmission power.
no code implementations • 4 Jan 2021 • Mahyar Nemati, Behrouz Maham, Shiva Raj Pokhrel, Jinho Choi
With the increasing adoption of millimeter-waves (mmWave) over cellular networks, outdoor-to-indoor (O2I) communication has been one of the challenging research problems due to high penetration loss of buildings.
no code implementations • 23 Nov 2020 • Jinho Choi
In this paper, for efficient data collection with limited bandwidth, data-aided sensing is applied to Gaussian process regression that is used to learn data sets collected from sensors in Internet-of-Things systems.
no code implementations • 17 Nov 2020 • Jinho Choi
In this paper, we study data-aided sensing (DAS) for distributed detection in wireless sensor networks (WSNs) when sensors' measurements are correlated.
no code implementations • 16 Jul 2020 • Mahyar Nemati, Morteza Soltani, Jie Ding, Jinho Choi
Analytical and numerical evaluations provide a proof to see the performance of the proposed method in terms of BER, data rate, and interference.
no code implementations • 16 Jul 2020 • Mahyar Nemati, Jihong Park, Jinho Choi
The use of millimeter-wave (mmWave) bandwidth is one key enabler to achieve the high data rates in the fifth-generation (5G) cellular systems.
no code implementations • 14 Jun 2020 • Mahyar Nemati, Jie Ding, Jinho Choi
In this paper, we propose a new AmBC model over ambient orthogonal-frequency-division-multiplexing (OFDM) subcarriers in the frequency domain in conjunction with RIS for short-range communication scenarios.
no code implementations • 8 Jun 2020 • Jie Ding, Daiming Qu, Pei Liu, Jinho Choi
Preamble collision is a bottleneck that impairs the performance of random access (RA) user equipment (UE) in grant-free RA (GFRA).
no code implementations • 13 Dec 2019 • Jinho Choi, Shiva Raj Pokhrel
In this paper, we study federated learning in a cellular system with a base station (BS) and a large number of users with local data sets.
Information Theory Signal Processing Information Theory