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Research Areas
==============
The research areas of the group include, but are not limited to:

- Wireless networking
- Network functions virtualization (NFV)
- Software-defined networking (SDN)
- Software-defined radio (SDR)
- Machine learning and deep learning in wireless networks
- Open Radio Access Networks (O-RAN)
- 5G and beyond 5G networks

Research Publications
--------------------

5G/O-RAN Testbed Development and Experimentation
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

.. |quote1| raw:: html

    <span style="color: black; font-weight: bold">“CCI xG Testbed: An O-RAN Based Platform for Future Wireless Network Experimentation”</span>

.. |quote2| raw:: html


    <span style="color: black; font-weight: bold">“Benchmarking Software Defined Radio Based 5G Deployments With srsRAN: Lessons Learned”</span>

.. [1]  Da Silva, M. R. Chowdhury, A. Sathish, A. Tripathi, S. F. Midkiff, and L. DaSilva, |quote1|, in *IEEE Communications Magazine*, vol. 63, no. 2, pp. 62–68, February 2025, doi: 10.1109/MCOM.001.2400322. `Link <https://doi.org/10.1109/MCOM.001.2400322>`_

.. [2]  A. Tripathi, F. Bashar, M. R. Chowdhury, A. Da Silva, and S. F. Midkiff, |quote2|, 2025 IEEE Wireless Communications and Networking Conference (WCNC), Milan, Italy, 2025, pp. 1-6, doi: 10.1109/WCNC61545.2025.10978285 `Link <https://ieeexplore.ieee.org/abstract/document/10978285>`_

..  Tripathi, F. Bashar, M. R. Chowdhury, A. Da Silva and S. F. Midkiff, "Benchmarking Software Defined Radio Based 5G Deployments With srsRAN: Lessons Learned," 2025 IEEE Wireless Communications and Networking Conference (WCNC), Milan, Italy, 2025, pp. 1-6, doi: 10.1109/WCNC61545.2025.10978285

AI/ML based E2E O-RAN Control
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

.. |quote3| raw:: html

    <span style="color: black; font-weight: bold">“Leveraging O-RAN SC AI/ML Framework & Non-RT RIC for AI-Driven Network Slice QoS Optimization”</span>


.. [3]  M.H. Rahman, A. Jain, A. P. Da Silva, S. Singh, M. R. Chowdhury, H. S. Dhillon, and M. Hong, |quote3|, in *Proc. IEEE GLOBECOM Wkshp*, Cape Town, South Africa, Dec 2024. `Link <https://ieeexplore.ieee.org/document/11100808>`_
.. |quote4| raw:: html

    <span style="color: black; font-weight: bold">“End-to-End O-RAN Control-Loop For Radio Resource Allocation in SDR-Based 5G Network”</span>

.. [4]  A. Tripathi, J. S. R. Mallu, M.H. Rahman, A. Sultana, A. Sathish, A. Huff, et al., |quote4|, *MILCOM 2023-2023 IEEE Military Communications Conference (MILCOM)*, Boston, MA, USA, 2023, pp. 253–254, doi: 10.1109/MILCOM55735.2023.10356030. `Link <https://ieeexplore.ieee.org/abstract/document/10356316>`_


Spectrum Sharing - CBRS and NR-U
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

.. |quote5| raw:: html

    <span style="color: black; font-weight: bold">“Enabling CBRS Experimentation through an OpenSAS and SDR-based CBSD”</span>

.. |quote6| raw:: html

    <span style="color: black; font-weight: bold">“Enabling AI/ML-based Incumbent Detection in a CBRS Experimental Network Through OpenSAS”</span>

.. |quote7| raw:: html

    <span style="color: black; font-weight: bold">“Decoupling Traffic Management from Listen-Before-Talk in the Unlicensed Spectrum with 5G NR-U”</span>

.. [5]  O.R. Collaco, M.R. Chowdhury, A.P. da Silva, and L. DaSilva, |quote5|, *IEEE INFOCOM 2023 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS)*, Hoboken, NJ, USA, 2023, pp. 1–2, doi: 10.1109/INFOCOMWKSHPS57453.2023.10225978. `Link <https://ieeexplore.ieee.org/abstract/document/10225978>`_

.. [6]  O.R. Collaco, A. Tripathi, and A.P. da Silva, |quote6|, in *Proceedings of the ACM Workshop on Wireless Network Testbeds, Experimental Evaluation & Characterization (WiNTECH '23)*, New York, USA, 2023, pp. 25–32. `Link <https://dl.acm.org/doi/10.1145/3615453.3616520>`_

.. [7]  A. Sathish, M. R. Chowdhury, A. P. da Silva, M. Ghosh, and L. A. DaSilva, |quote7|, in *Proc. IEEE CCNC*, Las Vegas, NV, USA, Jan 2025. `Link <https://ieeexplore.ieee.org/document/10975910>`_


Conflict Mitigation
~~~~~~~~~~~~~~~~~~

.. |quote8| raw:: html

    <span style="color: black; font-weight: bold">“Experimental evaluation of xApp Conflict Mitigation Framework in O-RAN: Insights from Testbed deployment in OTIC”</span>

.. |quote9| raw:: html

    <span style="color: black; font-weight: bold">“A Software-Defined Radio based O-RAN Platform for xApp Conflict Detection and Mitigation”</span>

.. [8]  A. Sultana, C. Adamczyk, M. R. Chowdhury, A. Kliks, and A. P. da Silva, |quote8|, accepted in *Proc. IEEE INFOCOM Wkshp*, London, United Kingdom, May 19–22, 2025. `Link <https://arxiv.org/abs/2503.11566>`_

.. [9]  A. Sultana, F. Bashar, M. R. Chowdhury, A. P. da Silva, |quote9|, in *Proc. IEEE MILCOM Demo*, Washington DC, USA, Oct. 2024. `Link <https://ieeexplore.ieee.org/document/10773739>`_


Other Works
~~~~~~~~~~

.. |quote10| raw:: html

    <span style="color: black; font-weight: bold">“Deep Learning Based Uplink Power Allocation in Multi-Radio Dual Connectivity Heterogeneous Wireless Networks”</span>

.. |quote11| raw:: html

    <span style="color: black; font-weight: bold">“Fair Consensus in Blockchain with Heterogeneous Miners using Reinforcement Learning aided Adaptive Proof-of-Work”</span>

.. [10] M.H. Rahman, M. R. Chowdhury, A. Sultana, A. Tripathi, and A. P. da Silva, |quote10|, in *Proc. IEEE PIMRC*, Valencia, Spain, Sept. 2024. `Link <https://ieeexplore.ieee.org/document/10817336>`_

.. [11]  P. Sethi, T. Nguyen, M. R. Chowdhury, S. Pirttikangas, A. P. da Silva, |quote11|, *2024 IEEE 21st Consumer Communications & Networking Conference (CCNC)*, Las Vegas, NV, USA, 2024, pp. 937–942, doi: 10.1109/CCNC57312.2024.10434456. `Link <https://ieeexplore.ieee.org/abstract/document/10454844>`_