Tingjun Chen

Research Interests

Wireless networking, next-generation wireless and optical networks, edge cloud and computing, Internet-of-Things (IoT), mobile and embedded systems, platforms and testbeds

Education

• B.S. Tsinghua University (China), 2014
• M.S. Columbia University, 2018
• Ph.D. Columbia University, 2020

Positions

• Assistant Professor in the Department of Electrical and Computer Engineering
• Assistant Professor of Computer Science

Awards, Honors, and Distinctions

• Corning Outstanding Student Paper Competition Finalist. IEEE/Optica OFC'24. 2024
• Top-Scored Paper. IEEE/Optica OFC'24. 2024
• IBM Academic Award. IBM. 2023
• Highest Scoring Paper. ECOC'23. 2023
• Top-Scored Paper. IEEE/Optica OFC'23. 2023
• IBM Academic Award. IBM. 2021
• Google Research Scholar Award. Google. 2021
• Morton B. Friedman Memorial Prize for Excellence. Columbia Engineering. 2021
• Eli Jury Award. Columbia University. 2021
• ACM SIGMOBILE Doctoral Dissertation Award, Runner-up. ACM SIGMOBILE. 2021
• Facebook Fellowship. Facebook. 2019
• Best Paper Finalist. ACM MobiHoc'19. 2019
• Student Research Competition (SRC) Winner u2013 First Place. ACM MobiCom'19. 2019
• Oscar and Verna Byron Fellowship. Columbia University Engineering School. 2018
• Best Paper Award. ACM CoNEXT'16. 2016
• Edwin Howard Armstrong Memorial Award. Columbia University. 2015
• Wei Family Private Foundation Fellowship. Wei Family Private Foundation. 2014

Courses Taught

• ECE 891: Internship
• ECE 655L: Full-Stack IoT Systems
• ECE 590: Advanced Topics in Electrical and Computer Engineering
• ECE 556: Wireless Networking and Mobile Computing
• ECE 495: Special Topics in Electrical and Computer Engineering
• ECE 493: Projects in Electrical and Computer Engineering
• ECE 392: Projects in Electrical and Computer Engineering
• COMPSCI 655L: Full-Stack IoT Systems
• COMPSCI 590: Advanced Topics in Computer Science
• COMPSCI 515: Wireless Networking and Mobile Computing
• COMPSCI 390: Topics in Computer Science

Publications

• Garikapati S, Nagulu A, Kadota I, Essawy M, Chen T, Wang S, et al. Full-Duplex Receiver With Wideband, High-Power RF Self-Interference Cancellation Based on Capacitor Stacking in Switched-Capacitor Delay Lines. IEEE Journal of Solid-State Circuits. 2024 Jul 1;59(7):2105–20.
• Xu Y, Kong X, Chen T, Zhuo D. Conveyor: Efficient Tool-aware LLM Serving with Tool Partial Execution. 2024.
• Gao Z, Qi Z, Chen T. Mambas: Maneuvering Analog Multi-User Beamforming using an Array of Subarrays in mmWave Networks. In: ACM MobiCom 2024 - Proceedings of the 30th International Conference on Mobile Computing and Networking. 2024. p. 694–708.
• Wang Z, Huang YK, Ip E, Qi Z, Zussman G, Kilper D, et al. Field Trial of Coexistence and Simultaneous Switching of Real-Time Fiber Sensing and Coherent 400 GbE in a Dense Urban Environment. Journal of Lightwave Technology. 2024 Feb 15;42(4):1304–11.
• Nishizawa H, Mano T, de Lima TF, Huang YK, Wang Z, Ishida W, et al. Fast WDM provisioning with minimal probing: the first field experiments for DC exchanges. Journal of Optical Communications and Networking. 2024 Feb 1;16(2):233–42.
• Nishizawa H, Borraccini G, Sasai T, Huang YK, Mano T, Anazawa K, et al. Semi-automatic line-system provisioning with an integrated physical-parameter-aware methodology: field verification and operational feasibility. Journal of Optical Communications and Networking. 2024 Jan 1;16(9):894–904.
• Nagulu A, Reiskarimian N, Chen T, Garikapati S, Kadota I, Dinc T, et al. Doubling Down on Wireless Capacity: A Review of Integrated Circuits, Systems, and Networks for Full Duplex. Proceedings of the IEEE. 2024 Jan 1;112(5):405–32.
• Gao Z, Chen Y, Chen T. Swirls: Sniffing Wi-Fi Using Radios with Low Sampling Rates. In: Proceedings of the International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc). 2023. p. 260–9.
• Promponas P, Chen T, Tassiulas L. Optimizing Sectorized Wireless Networks: Model, Analysis, and Algorithm. In: Proceedings of the International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc). 2023. p. 141–50.
• Qi Z, Gao Z, Tung CH, Chen T. Programmable Millimeter-Wave MIMO Radios with Real-Time Baseband Processing. In: ACM WiNTECH 2023 - Proceedings of the 2023 17th ACM Workshop on Wireless Network Testbeds, Experimental Evaluation and Characterization, Part of MobiCom 2023. 2023. p. 17–24.
• Chen T, Maddala P, Skrimponis P, Kolodziejski J, Adhikari A, Hu H, et al. Open-access millimeter-wave software-defined radios in the PAWR COSMOS testbed: Design, deployment, and experimentation. Computer Networks. 2023 Oct 1;234.
• Wang Z, Kilper DC, Chen T. Open EDFA gain spectrum dataset and its applications in data-driven EDFA gain modeling. Journal of Optical Communications and Networking. 2023 Sep 1;15(9):588–99.
• Chen T, Dastjerdi MB, Krishnaswamy H, Zussman G. Wideband Full-Duplex Phased Array with Joint Transmit and Receive Beamforming: Optimization and Rate Gains. IEEE/ACM Transactions on Networking. 2021 Aug 1;29(4):1591–604.
• Du J, Chizhik D, Valenzuela RA, Feick R, Castro G, Rodriguez M, et al. Directional Measurements in Urban Street Canyons from Macro Rooftop Sites at 28 GHz for 90% Outdoor Coverage. IEEE Transactions on Antennas and Propagation. 2021 Jun 1;69(6):3459–69.
• Nagulu A, Gaonkar A, Ahasan S, Garikapati S, Chen T, Zussman G, et al. A Full-Duplex Receiver with True-Time-Delay Cancelers Based on Switched-Capacitor-Networks Operating beyond the Delay-Bandwidth Limit. IEEE Journal of Solid-State Circuits. 2021 May 1;56(5):1398–411.
• Chen T, Garikapati S, Nagulu A, Gaonkar A, Kohli M, Kadota I, et al. A Survey and Quantitative Evaluation of Integrated Circuit-Based Antenna Interfaces and Self-Interference Cancellers for Full-Duplex. IEEE Open Journal of the Communications Society. 2021 Jan 1;2:1753–76.
• Nagulu A, Chen T, Zussman G, Krishnaswamy H. Multi-Watt, 1-GHz CMOS Circulator Based on Switched-Capacitor Clock Boosting. IEEE Journal of Solid-State Circuits. 2020 Dec 1;55(12):3308–21.
• Chen T, Diakonikolas J, Ghaderi J, Zussman G. Hybrid Scheduling in Heterogeneous Half- And Full-Duplex Wireless Networks. IEEE/ACM Transactions on Networking. 2020 Apr 1;28(2):764–77.
• Chen T, Dastjerdi MB, Zhou J, Krishnaswamy H, Zussman G. Wideband Full-Duplex Wireless via Frequency-Domain Equalization: Design and Experimentation. 2018 Dec 3;
• Chen T, Diakonikolas J, Ghaderi J, Zussman G. Hybrid Scheduling in Heterogeneous Half-and Full-Duplex Wireless Networks. In: Proceedings - IEEE INFOCOM. 2018. p. 576–84.
• Dastjerdi MB, Reiskarimian N, Chen T, Zussman G, Krishnaswamy H. Full duplex circulator-receiver phased array employing self-interference cancellation via beamforming. In: Digest of Papers - IEEE Radio Frequency Integrated Circuits Symposium. 2018. p. 108–11.
• Chen T, Dastjerdi MB, Farkash G, Zhou J, Krishnaswamy H, Zussman G. Demo abstract: Open-access full-duplex wireless in the ORBIT testbed. In: INFOCOM 2018 - IEEE Conference on Computer Communications Workshops. 2018. p. 1–2.
• Chen T, Ghaderi J, Rubenstein D, Zussman G. Maximizing Broadcast Throughput under Ultra-Low-Power Constraints. IEEE/ACM Transactions on Networking. 2018 Apr 1;26(2):779–92.
• Chen T, Dastjerdi MB, Farkash G, Zhou J, Krishnaswamy H, Zussman G. Open-Access Full-Duplex Wireless in the ORBIT Testbed. 2018 Jan 9;
• Chen T, Zhou J, Dastjerdi MB, Diakonikolas J, Krishnaswamy H, Zussman G. Demo abstract: Full-duplex with a compact frequency domain equalization-based RF canceller. In: 2017 IEEE Conference on Computer Communications Workshops, INFOCOM WKSHPS 2017. 2017. p. 972–3.
• Chen T, Ghaderi J, Rubenstein D, Zussman G. Performance Evaluation of Energy-Constrained Broadcast (EconCast) in Wireless Networks. In: 2017 IEEE Wireless Communications and Networking Conference Workshops, WCNCW 2017. 2017.
• Krishnaswamy H, Zussman G, Zhou J, Marasevic J, Dinc T, Reiskarimian N, et al. Full-duplex in a hand-held device - From fundamental physics to complex integrated circuits, systems and networks: An overview of the Columbia FlexICoN project. In: Conference Record - Asilomar Conference on Signals, Systems and Computers. 2017. p. 1563–7.
• Zhou J, Reiskarimian N, Diakonikolas J, Dinc T, Chen T, Zussman G, et al. Integrated full duplex radios. IEEE Communications Magazine. 2017 Jan 1;55(4):142–51.
• Chen T, Ghaderi J, Rubenstein D, Zussman G. Maximizing broadcast throughput under ultra-low-power constraints. In: CoNEXT 2016 - Proceedings of the 12th International Conference on Emerging Networking EXperiments and Technologies. 2016. p. 457–71.
• Margolies R, Grebla G, Chen T, Rubenstein D, Zussman G. Panda: Neighbor Discovery on a Power Harvesting Budget. IEEE Journal on Selected Areas in Communications. 2016 Dec 1;34(12):3606–19.
• Chen T, Chen G, Jain S, Margolies R, Grebla G, Rubenstein D, et al. Demo Abstract: Power-Aware neighbor discovery for energy harvesting things. In: Proceedings of the 14th ACM Conference on Embedded Networked Sensor Systems, SenSys 2016. 2016. p. 312–3.
• Marašević J, Chen T, Zhou J, Reiskarimian N, Krishnaswamy H, Zussman G. Full-duplex wireless: Algorithms and rate improvement bounds for integrated circuit implementations. In: Proceedings of the Annual International Conference on Mobile Computing and Networking, MOBICOM. 2016. p. 28–32.
• Margolies R, Grebla G, Chen T, Rubenstein D, Zussman G. Panda: Neighbor discovery on a power harvesting budget. In: Proceedings - IEEE INFOCOM. 2016.
• Chen T, Zhou J, Grimwood N, Fogel R, Marašević J, Krishnaswamy H, et al. Demo: Full-Duplex Wireless based on a Small-Form-Factor Analog Self-Interference Canceller. In: Proceedings of the International Symposium on Mobile Ad Hoc Networking and Computing (MobiHoc). 2016. p. 357–8.
• Zhou S, Chen T, Chen W, Niu Z. Outage Minimization for a Fading Wireless Link with Energy Harvesting Transmitter and Receiver. IEEE Journal on Selected Areas in Communications. 2015 Mar 1;33(3):496–511.
• Chen T, Zhou S, Chen W, Niu Z. Power control policies for a wireless link with energy harvesting transmitter and receiver. In: 2014 12th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks, WiOpt 2014. 2014. p. 460–7.

In The News

• Engineers Develop Hack to Make Cars Hallucinate (Feb 2, 2024 | Pratt School of Engineering)
• COSMOS comes to Duke and Durham (May 1, 2023 | Duke Pratt School of Engineering)
• Bridging the Computation-Communication Gap in Future Connectivity Systems (Jan 18, 2023 | Duke Pratt School of Engineering)
• Pratt New Faculty: Tingjun Chen Is Connecting Tomorrow’s Wireless World (Oct 13, 2020 | Pratt School of Engineering)