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 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. [1] A.Da Silva, M. R. Chowdhury. A. Sathish, A. Tripathi, S. F. Midkiff, and L. DaSilva, "**CCI xG Testbed: An O-RAN Based Platform for Future Wireless Network Experimentation**," in *IEEE Communications Magazine*, vol. 63, no. 2, pp. 62-68, February 2025, doi: 10.1109/MCOM.001.2400322. `Link `_ .. [2] A.Tripathi, F. Bashar, M. R. Chowdhury, A. P. da Silva, and S. F. Midkiff, "**Benchmarking Software Defined Radio Based 5G Deployments With srsRAN: Lessons Learned**," accepted in *Proc. IEEE Wireless Communications and Networking Conference (WCNC)*, Milan, Italy, Mar. 24 - 27, 2025. `Link <#>`_ AI/ML based E2E O-RAN Control ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. [3] M.H. Rahman, A. Jain, A. P. Da Silva, S. Singh, M. R. Chowdhury, H. S. Dhillon, and M. Hong, "**Leveraging O-RAN SC AI/ML Framework & Non-RT RIC for AI-Driven Network Slice QoS Optimization**," in *Proc. IEEE GLOBECOM Wkshp*, Cape Town, South Africa, Dec 2024. `Link <#>`_ .. [4] A.Tripathi, J. S. R. Mallu, M.H. Rahman, A. Sultana, A. Sathish, A. Huff, et al., "**End-to-End O-RAN Control-Loop For Radio Resource Allocation in SDR-Based 5G Network**," *MILCOM 2023-2023 IEEE Military Communications Conference (MILCOM)*, Boston, MA, USA, 2023, pp. 253-254, doi: 10.1109/MILCOM55735.2023.10356030. `Link `_ Spectrum Sharing - CBRS and NR-U ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. [5] O.R. Collaco, M.R. Chowdhury, A.P. da Silva, and L. DaSilva, "**Enabling CBRS Experimentation through an OpenSAS and SDR-based CBSD**," *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 `_ .. [6] O.R. Collaco, A. Tripathi, and A.P. da Silva, "**Enabling AI/ML-based Incumbent Detection in a CBRS Experimental Network Through OpenSAS**," in *Proceedings of the ACM Workshop on Wireless Network Testbeds, Experimental Evaluation & Characterization (WiNTECH '23)*, New York, USA, 2023, pp. 25–32. `Link `_ .. [7] A.Sathish, M. R. Chowdhury, A. P. da Silva, M. Ghosh, and L. A. DaSilva, "**Decoupling Traffic Management from Listen-Before-Talk in the Unlicensed Spectrum with 5G NR-U**," in *Proc. IEEE CCNC*, Las Vegas, NV USA, Jan 2025. `Link <#>`_ Conflict Mitigation ~~~~~~~~~~~~~~~~~~ .. [8] A.Sultana, C. Adamczyk, M. R. Chowdhury, A. Kliks, and A. P. da Silva, "**Experimental evaluation of xApp Conflict Mitigation Framework in O-RAN: Insights from Testbed deployment in OTIC**," accepted in *Proc. IEEE INFOCOM Wkshp*, London, United Kingdom, May 19 - 22. 2025. `Link <#>`_ .. [9] A.Sultana, F. Bashar, M. R. Chowdhury, A. P. da Silva, "**A Software-Defined Radio based O-RAN Platform for xApp Conflict Detection and Mitigation**," in *Proc. IEEE MILCOM Demo*, Washington DC, USA, Oct. 2024. `Link `_ Other Works ~~~~~~~~~~ .. [10] M.H. Rahman, M. R. Chowdhury, A. Sultana, A. Tripathi, and A. P. da Silva, "**Deep Learning Based Uplink Power Allocation in Multi-Radio Dual Connectivity Heterogeneous Wireless Networks**," in *Proc. IEEE PIMRC*, Valencia, Spain, Sept. 2024. `Link `_ .. [11] P.Sethi, T. Nguyen, M. R. Chowdhury, S. Pirttikangas, A.P. da Silva, "**Fair Consensus in Blockchain with Heterogeneous Miners using Reinforcement Learning aided Adaptive Proof-of-Work**," *2024 IEEE 21st Consumer Communications & Networking Conference (CCNC)*, Las Vegas, NV, USA, 2024, pp. 937-942, doi: 10.1109/CCNC57312.2024.10434456. `Link `_