publications

2026

1. Back to the Bits: Parametric Symbol Compression for Semantic O-RAN Fronthaul

   Hanju Yoo, Dongha Choi, Songkuk Kim, Chan-Byoung Chae, and Robert W. Heath, Jr.

   Submitted, 2026

   BibGitHub

   @article{yoo2026bits,
     author = {Yoo, Hanju and Choi, Dongha and Kim, Songkuk and Chae, Chan-Byoung and {Heath, Jr.}, Robert W.},
     journal = {Submitted},
     title = {Back to the Bits: Parametric Symbol Compression for Semantic {O-RAN} Fronthaul},
     year = {2026},
   }

2. Waveforms as an Operating System: A Signal-Channel Abstraction for AI-RAN

   Hanju Yoo, Minjae Ko, Songkuk Kim, Chan-Byoung Chae, and Robert W. Heath, Jr.

   Submitted, 2026

   Bib

   @article{yoo2026waveos,
     author = {Yoo, Hanju and Ko, Minjae and Kim, Songkuk and Chae, Chan-Byoung and {Heath, Jr.}, Robert W.},
     journal = {Submitted},
     title = {Waveforms as an Operating System: A Signal-Channel Abstraction for {AI-RAN}},
     year = {2026},
   }

3. Train Once, Deploy Broadly: Waveform Transformation for AWGN-Trained Semantic Communications

   Hanju Yoo, Minjae Ko, Songkuk Kim, Chan-Byoung Chae, and Robert W. Heath, Jr.

   Submitted, 2026

   Bib

   @article{yoo2026trainonce,
     author = {Yoo, Hanju and Ko, Minjae and Kim, Songkuk and Chae, Chan-Byoung and {Heath, Jr.}, Robert W.},
     journal = {Submitted},
     title = {Train Once, Deploy Broadly: Waveform Transformation for AWGN-Trained Semantic Communications},
     year = {2026},
   }

4. Symbol Distributions in Semantic Communications: A Source-Channel Equilibrium Perspective

   Hanju Yoo, Dongha Choi, Songkuk Kim, Chan-Byoung Chae, and Robert W. Heath, Jr.

   Submitted, 2026

   Bib Details Paper

   @article{yoo2026dist,
     author = {Yoo, Hanju and Choi, Dongha and Kim, Songkuk and Chae, Chan-Byoung and {Heath, Jr.}, Robert W.},
     journal = {Submitted},
     title = {Symbol Distributions in Semantic Communications: A Source-Channel Equilibrium Perspective},
     year = {2026},
     url = {https://arxiv.org/abs/2512.14022}
   }

2025

1. Frequency-Domain Nonlinear Self-Interference Cancellation in Full-Duplex Zero-IF Transceivers: From Algorithm to Prototype

   HyeonHwi Lee, Yonghwi Kim, Hanju Yoo, Byoungnam Kim, and Chan-Byoung Chae

   IEEE Internet of Things Journal, Nov 2025

   Bib Paper

   @article{lee2025frequency,
     author = {Lee, HyeonHwi and Kim, Yonghwi and Yoo, Hanju and Kim, Byoungnam and Chae, Chan-Byoung},
     journal = {IEEE Internet of Things Journal},
     title = {Frequency-Domain Nonlinear Self-Interference Cancellation in Full-Duplex Zero-IF Transceivers: From Algorithm to Prototype},
     year = {2025},
     volume = {},
     number = {},
     pages = {1-1},
     month = nov,
     url = {https://doi.org/10.1109/JIOT.2025.3634602}
   }

2. Site-Specific Beam Alignment without Explicit Channel Knowledge via Deep Learning

   Jongwoo Kwak^†, Hanju Yoo^†, Ian P. Roberts, and Chan-Byoung Chae

   Submitted, Nov 2025

   ^† equal contribution

   Bib

   @article{kwak2025site,
     author = {Kwak, Jongwoo and Yoo, Hanju and Roberts, Ian P. and Chae, Chan-Byoung},
     journal = {Submitted},
     title = {Site-Specific Beam Alignment without Explicit Channel Knowledge via Deep Learning},
     year = {2025},
     equal_contribution = {Jongwoo Kwak and Hanju Yoo},
     note = {equal contribution},
   }

3. Bridging Neural Networks And Wireless Systems with MIMO-OFDM Semantic Communications

   Hanju Yoo, Dongha Choi, Yonghwi Kim, Yoontae Kim, Songkuk Kim, Chan-Byoung Chae, and Robert W. Heath, Jr.

   IEEE Wireless Communications, Sep 2025

   Bib Details PaperGitHub

   @article{yoo2025bridging,
     author = {Yoo, Hanju and Choi, Dongha and Kim, Yonghwi and Kim, Yoontae and Kim, Songkuk and Chae, Chan-Byoung and {Heath, Jr.}, Robert W.},
     journal = {IEEE Wireless Communications},
     title = {Bridging Neural Networks And Wireless Systems with MIMO-OFDM Semantic Communications},
     year = {2025},
     volume = {32},
     number = {5},
     pages = {48-55},
     month = sep,
     url = {https://doi.org/10.1109/MWC.001.2500040},
   }

4. MAP-X: Massive Field Data Processing for Real-Time Wide-Area Mapping Using High-Altitude Platforms with MIMO

   Hyung-Joo Moon, Hanju Yoo, Kaibin Huang, Chan-Byoung Chae, and Robert W. Heath, Jr.

   IEEE Transactions on Wireless Communications, Sep 2025

   Bib Paper

   @article{moon2025map,
     author = {Moon, Hyung-Joo and Yoo, Hanju and Huang, Kaibin and Chae, Chan-Byoung and {Heath, Jr.}, Robert W.},
     journal = {IEEE Transactions on Wireless Communications},
     title = {MAP-X: Massive Field Data Processing for Real-Time Wide-Area Mapping Using High-Altitude Platforms with MIMO},
     year = {2025},
     volume = {},
     number = {},
     pages = {1-1},
     month = sep,
     url = {https://doi.org/10.1109/TWC.2025.3610537}
   }

2024

1. Site-Specific Beam Alignment without Explicit Channel Knowledge via Deep Learning

   Jong Woo Kwak, Hanju Yoo, Ian P Roberts, and Chan-Byoung Chae

   In Proc. IEEE Asilomar Conf. Signals Syst. Comput., Sep 2024

   Bib Paper

   @inproceedings{kwak2024site,
     title = {Site-Specific Beam Alignment without Explicit Channel Knowledge via Deep Learning},
     author = {Kwak, Jong Woo and Yoo, Hanju and Roberts, Ian P and Chae, Chan-Byoung},
     booktitle = {Proc. IEEE Asilomar Conf. Signals Syst. Comput.},
     pages = {1139--1143},
     year = {2024},
     organization = {IEEE},
     url = {https://doi.org/10.1109/IEEECONF60004.2024.10943102}
   }

2. A State-of-the-Art Survey on Full-Duplex Network Design

   Yonghwi Kim, Hyung-Joo Moon, Hanju Yoo, Byoungnam Kim, Kai-Kit Wong, and Chan-Byoung Chae

   Proc. IEEE, Feb 2024

   Bib Paper

   @article{kim2024state,
     author = {Kim, Yonghwi and Moon, Hyung-Joo and Yoo, Hanju and Kim, Byoungnam and Wong, Kai-Kit and Chae, Chan-Byoung},
     journal = {Proc. IEEE},
     title = {A State-of-the-Art Survey on Full-Duplex Network Design},
     year = {2024},
     volume = {},
     number = {},
     pages = {1-24},
     keywords = {Protocols;Media Access Protocol;Cellular networks;Routing;Surveys;Sensors;Full-duplex system;Advanced duplex;flexible duplex;full-duplex (FD);medium access control (MAC);network design;physical (PHY);protocol;radio resource control (RRC)},
     doi = {10.1109/JPROC.2024.3363218},
     month = feb,
     url = {https://doi.org/10.1109/JPROC.2024.3363218},
   }

2023

1. On the Role of ViT and CNN in Semantic Communications: Analysis and Prototype Validation

   Hanju Yoo, Linglong Dai, Songkuk Kim, and Chan-Byoung Chae

   IEEE Access, Jul 2023

   Bib Details PaperGitHub

   @article{yoo2023role,
     author = {Yoo, Hanju and Dai, Linglong and Kim, Songkuk and Chae, Chan-Byoung},
     journal = {IEEE Access},
     title = {On the Role of ViT and CNN in Semantic Communications: Analysis and Prototype Validation},
     year = {2023},
     volume = {11},
     month = jul,
     number = {},
     pages = {71528-71541},
     doi = {10.1109/ACCESS.2023.3291405},
     url = {https://doi.org/10.1109/ACCESS.2023.3291405},
   }

2022

1. Demo: Real-Time Semantic Communications with a Vision Transformer

   Hanju Yoo, Taehun Jung, Linglong Dai, Songkuk Kim, and Chan-Byoung Chae

   In Proc. IEEE Int. Conf. Commun. Workshops (ICC WKSHPS), May 2022

   Bib PaperGitHub

   @inproceedings{yoo2022real,
     author = {Yoo, Hanju and Jung, Taehun and Dai, Linglong and Kim, Songkuk and Chae, Chan-Byoung},
     booktitle = {Proc. IEEE Int. Conf. Commun. Workshops (ICC WKSHPS)},
     title = {Demo: Real-Time Semantic Communications with a Vision Transformer},
     year = {2022},
     month = may,
     volume = {},
     number = {},
     pages = {1-2},
     doi = {10.1109/ICCWorkshops53468.2022.9914635},
     url = {https://doi.org/10.1109/ICCWorkshops53468.2022.9914635},
   }