Publications

2026

1. JSAC

   

   Residual Diffusion Models for Variable-Rate Joint Source Channel Coding of MIMO CSI

   Sravan Ankireddy, Heasung Kim, Joonyoung Cho, and 1 more author

   IEEE Journal on Selected Areas in Communications (JSAC), Feb 2026

   Bib PDF Code

   @article{ankireddy2025residual,
     author = {Ankireddy, Sravan and Kim, Heasung and Cho, Joonyoung and Kim, Hyeji},
     title = {Residual Diffusion Models for Variable-Rate Joint Source Channel Coding of MIMO CSI},
     journal = {IEEE Journal on Selected Areas in Communications (JSAC)},
     year = {2026},
     venue = {JSAC},
     month = feb,
   }

2. arXiv

   

   Dynamic Tokenization via Reinforcement Patching: End-to-end Training and Zero-shot Transfer

   Yulun Wu*, Sravan Kumar Ankireddy*, Samuel Sharpe, and 4 more authors

   arXiv preprint, Mar 2026

   Bib PDF

   @article{wu2026reinpatch,
     author = {Wu*, Yulun and Ankireddy*, Sravan Kumar and Sharpe, Samuel and Seleznev, Nikita and Yuan, Dehao and Kim, Hyeji and Nguyen, Nam H.},
     title = {Dynamic Tokenization via Reinforcement Patching: End-to-end Training and Zero-shot Transfer},
     journal = {arXiv preprint},
     year = {2026},
     venue = {arXiv},
     month = mar,
   }

2025

1. NeurIPS (Workshop)

   

   TimeSqueeze: Dynamic Patching for Efficient Time Series Forecasting

   Sravan Ankireddy, N. Seleznev, N. Nguyen, and 4 more authors

   In Recent Advances on Time Series Foundation Models Workshop at NeurIPS , Dec 2025

   Bib PDF

   @inproceedings{ankireddy2025timesqueeze,
     author = {Ankireddy, Sravan and Seleznev, N. and Nguyen, N. and Wu, Y. and Kumar, S. and Huang, F. and Bruss, C.},
     title = {TimeSqueeze: Dynamic Patching for Efficient Time Series Forecasting},
     booktitle = {Recent Advances on Time Series Foundation Models Workshop at NeurIPS},
     year = {2025},
     month = dec,
     venue = {NeurIPS},
   }

2. ASILOMAR

   

   Residual Diffusion Models for Joint Source Channel Coding of MIMO CSI

   Sravan Ankireddy, Heasung Kim, and Hyeji Kim

   In Proceedings of the 2025 IEEE Asilomar Conference on Signals, Systems, and Computers (ASILOMAR) , Oct 2025

   Bib PDF Code

   @inproceedings{ankireddy2025residuam,
     author = {Ankireddy, Sravan and Kim, Heasung and Kim, Hyeji},
     title = {Residual Diffusion Models for Joint Source Channel Coding of MIMO CSI},
     booktitle = {Proceedings of the 2025 IEEE Asilomar Conference on Signals, Systems, and Computers (ASILOMAR)},
     year = {2025},
     venue = {ASILOMAR},
     month = oct,
   }

3. ASILOMAR

   

   NTF-OFDM: Robust Neural Modulation for High Mobility

   Sravan Ankireddy*, S. Ashwin Hebbar*, Pramod Viswanath, and 1 more author

   In Proceedings of the 2025 IEEE Asilomar Conference on Signals, Systems, and Computers (ASILOMAR) , Oct 2025

   Bib PDF

   @inproceedings{ankireddy2025deepofdm,
     author = {Ankireddy*, Sravan and Hebbar*, S. Ashwin and Viswanath, Pramod and Kim, Hyeji},
     title = {NTF-OFDM: Robust Neural Modulation for High Mobility},
     booktitle = {Proceedings of the 2025 IEEE Asilomar Conference on Signals, Systems, and Computers (ASILOMAR)},
     year = {2025},
     venue = {ASILOMAR},
     month = oct,
   }

4. JSAC

   

   LightCode: Light Analytical and Neural Codes for Channels with Feedback

   Sravan Ankireddy, Krishna Narayanan, and Hyeji Kim

   IEEE Journal on Selected Areas in Communications (JSAC), Mar 2025

   Bib PDF Code

   @article{ankireddy2024lightcode,
     author = {Ankireddy, Sravan and Narayanan, Krishna and Kim, Hyeji},
     title = {LightCode: Light Analytical and Neural Codes for Channels with Feedback},
     journal = {IEEE Journal on Selected Areas in Communications (JSAC)},
     year = {2025},
     venue = {JSAC},
     month = mar,
   }

2024

1. ICML

   

   DeepPolar: Inventing Nonlinear Large-Kernel Polar Codes via Deep Learning

   Ashwin Hebbar*, Sravan Ankireddy*, Hyeji Kim, and 2 more authors

   In Proceedings of International Conference on Machine Learning (ICML) , Jul 2024

   Bib PDF Code

   @inproceedings{hebbar2024deeppolar,
     author = {Hebbar*, Ashwin and Ankireddy*, Sravan and Kim, Hyeji and Oh, Sewoong and Viswanath, Pramod},
     title = {DeepPolar: Inventing Nonlinear Large-Kernel Polar Codes via Deep Learning},
     booktitle = {Proceedings of International Conference on Machine Learning (ICML)},
     year = {2024},
     venue = {ICML},
     month = jul,
   }

2. CVPR (Workshop)

   

   Exploring Explainability in Video Action Recognition

   Avinab Saha*, Shashank Gupta*, Sravan Ankireddy*, and 2 more authors

   3rd Explainable AI for Computer Vision (XAI4CV) Workshop at CVPR, Jun 2024

   Bib PDF

   @article{saha2024exploring,
     author = {Saha*, Avinab and Gupta*, Shashank and Ankireddy*, Sravan and Chahine, Karl and Ghosh, Joydeep},
     title = {Exploring Explainability in Video Action Recognition},
     journal = {3rd Explainable AI for Computer Vision (XAI4CV) Workshop at CVPR},
     year = {2024},
     venue = {XAI4CV Workshop at CVPR},
     month = jun,
   }

3. ISIT

   

   Nested Construction of Polar Codes via Transformers

   Sravan Ankireddy, S. Ashwin Hebbar, Heping Wan, and 2 more authors

   In Proceedings of the 2024 IEEE International Symposium on Information Theory (ISIT) , Jul 2024

   Bib PDF Code

   @inproceedings{ankireddy2024nested,
     author = {Ankireddy, Sravan and Hebbar, S. Ashwin and Wan, Heping and Cho, Joonyoung and Zhang, Charlie},
     title = {Nested Construction of Polar Codes via Transformers},
     booktitle = {Proceedings of the 2024 IEEE International Symposium on Information Theory (ISIT)},
     year = {2024},
     venue = {ISIT},
     month = jul,
     pages = {1409--1414},
   }

2023

1. NeurIPS

   

   Task-Aware Distributed Source Coding Under Dynamic Bandwidth

   Po-han Li*, Sravan Ankireddy*, Ruihan Philip Zhao, and 5 more authors

   Advances in Neural Information Processing Systems (NeurIPS), Dec 2023

   Bib PDF Code

   @article{li2024task,
     author = {Li*, Po-han and Ankireddy*, Sravan and Zhao, Ruihan Philip and Mahjoub, Hossein Nourkhiz and Pari, Ehsan Moradi and Topcu, Ufuk and Chinchali, Sandeep and Kim, Hyeji},
     title = {Task-Aware Distributed Source Coding Under Dynamic Bandwidth},
     journal = {Advances in Neural Information Processing Systems (NeurIPS)},
     volume = {36},
     year = {2023},
     venue = {NeurIPS},
     month = dec,
   }

2. ISIT

   

   Compressed Error HARQ: Feedback Communication on Noise-Asymmetric Channels

   Sravan Ankireddy, S. Ashwin Hebbar, Yihan Jiang, and 2 more authors

   In Proceedings of the 2023 IEEE International Symposium on Information Theory (ISIT) , Jul 2023

   Bib PDF Code

   @inproceedings{ankireddy2023compressed,
     author = {Ankireddy, Sravan and Hebbar, S. Ashwin and Jiang, Yihan and Viswanath, Pramod and Kim, Hyeji},
     title = {Compressed {Error HARQ}: Feedback Communication on Noise-Asymmetric Channels},
     booktitle = {Proceedings of the 2023 IEEE International Symposium on Information Theory (ISIT)},
     year = {2023},
     venue = {ISIT},
     month = jul,
     pages = {1160--1165},
   }

3. ICC

   

   Interpreting Neural Min-Sum Decoders

   Sravan Ankireddy, and Hyeji Kim

   In Proceedings of the 2023 IEEE International Conference on Communications (ICC) , Jun 2023

   Bib PDF Code

   @inproceedings{ankireddy2023interpreting,
     author = {Ankireddy, Sravan and Kim, Hyeji},
     title = {Interpreting Neural Min-Sum Decoders},
     booktitle = {Proceedings of the 2023 IEEE International Conference on Communications (ICC)},
     year = {2023},
     venue = {ICC},
     month = jun,
     pages = {6645--6651},
   }

4. arXiv

   

   Learning RL-Policies for Joint Beamforming Without Exploration: A Batch Constrained Off-Policy Approach

   Heasung Kim, and Sravan Ankireddy

   arXiv preprint, Oct 2023

   Bib PDF

   @article{kim2023learning,
     author = {Kim, Heasung and Ankireddy, Sravan},
     title = {Learning RL-Policies for Joint Beamforming Without Exploration: A Batch Constrained Off-Policy Approach},
     journal = {arXiv preprint},
     year = {2023},
     venue = {arXiv},
     month = oct,
   }

2022

1. ISIT

   

   TinyTurbo: Efficient Turbo Decoders on Edge

   S. Ashwin Hebbar, Rajesh K Mishra, Sravan Ankireddy, and 3 more authors

   In Proceedings of the 2022 IEEE International Symposium on Information Theory (ISIT) , Jul 2022

   Bib PDF Code

   @inproceedings{hebbar2022tinyturbo,
     author = {Hebbar, S. Ashwin and Mishra, Rajesh K and Ankireddy, Sravan and Makkuva, Ashok V and Kim, Hyeji and Viswanath, Pramod},
     title = {{TinyTurbo: Efficient Turbo Decoders on Edge}},
     booktitle = {Proceedings of the 2022 IEEE International Symposium on Information Theory (ISIT)},
     year = {2022},
     venue = {ISIT},
     month = jul,
     pages = {2797--2802},
   }