By Year

Publications by Year

2021

  1. T. Chen, M. Baraani Dastjerdi, H. Krishnaswamy, and G. Zussman, “Wideband full-duplex phased array with joint transmit and receive beamforming: Optimization and rate gains,” IEEE/ACM Transactions on Networking (to appear), 2021.
  2. B. Lantz, J. Yu, A. Bhardwaj, A. A. Díaz-Montiel, A. Quraishy, S Santaniello, T. Chen, R. Fujieda, A. Mukhopadhyay, G. Zussman, M. Ruffini, and D. Kilper, “SDN-controlled dynamic front-haul provisioning, emulated on hardware and virtual COSMOS optical x-haul testbeds,” in Proc. IEEE/OSA Optical Fiber Communication Conf. (OFC) (to appear), 2021.
  3. X. Gu, A. Paidimarri, B. Sadhu, C. Baks, S. Lukashov, M. Yeck, Y. Kwark, T. Chen, G. Zussman, I. Seskar, and A. Valdes-Garcia, “Development of a compact 28-GHz software-defined phased array for a city-scale wireless research testbed,” in Proc. IEEE MTT-S Int’l. Microwave Symp. (IMS) (to appear), 2021.
  4. A. Nagulu, T. Chen, G. Zussman, and H. Krishnaswamy, “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 (to appear), 2021. [DOI]
  5. A. Nagulu, S. Garikapati, I. Kadota, M. Essawy, T. Chen, A. Natarajan, G. Zussman, and H. Krishnaswamy, “Full-duplex receiver with wideband multi-domain FIR cancellation based on stacked-capacitor, N-path switched-capacitor delay lines achieving >+54dB SIC Across 80MHz BW and >+15dBm TX power handling,” in Proc. IEEE Int’l. Solid-State Circuits Conf. (ISSCC), 2021.
  6. M. Baraani Dastjerdi, T. Chen, G. Zussman, and H. Krishnaswamy, “Multiple-input multiple-output array systems,” in In-Band Full-Duplex Technologies and Applications (ed: K. Kolodziej) (invited), Artech House, 2021.
  7. J. Zhou, T. Chen, Y. Cao, G. Zussman, and H. Krishnaswamy, “Frequency-domain RF cancellation,” in In-Band Full-Duplex Technologies and Applications (ed: K. Kolodziej) (invited), Artech House, 2021.
  8. J. Du, D. Chizhik, R. Valenzuela, R. Feick, G. Castro, M. Rodriguez, T. Chen, M. Kohli, and G. Zussman, “Directional measurements in urban street canyons from macro rooftop sites at 28 GHz for 90% outdoor coverage,” IEEE Transactions on Antenna and Propagation (to appear), 2021.

2020

  1. A. Nagulu, T. Chen, G. Zussman, and H. Krishnaswamy, “Multi-watt, 1GHz CMOS circulator based on switched-capacitor clock boosting,” IEEE Journal of Solid-State Circuits, vol. 55, no. 12, pp. 3308-3321, Dec. 2020. [PDF] [DOI]
  2. S. Garikapati, A. Gaonkar, A. Nagulu, T. Chen, G. Zussman, and H. Krishnaswamy, “Performance comparison of time-domain and frequency-domain RF self-interference cancellation in full-duplex wireless systems,” in Proc. Asilomar Conf. on Signals, Systems, and Computers (invited), 2020. [PDF] [DOI]
  3. T. Chen, “Algorithms and experimentation for future wireless networks: From Internet-of-Things to full-duplex,” Ph.D. Thesis, Columbia University, 2020. [link]
  4. M. Kohli, T. Chen, M. Baraani Dastjerdi, J. Welles, I. Seskar, H. Krishnaswamy, and G. Zussman, “Open-access full-duplex wireless in the ORBIT and COSMOS testbeds,” in Proc. ACM MobiCom’20 Workshop on Wireless Network Testbeds, Experimental evaluation & CHaracterization (WiNTECH) (invited), 2020. [PDF] [DOI]
  5. M. Kohli, T. Chen, J. Welles, M. Baraani Dastjerdi, J. Kolodziejski, M. Sherman, I. Seskar, H. Krishnaswamy, and G. Zussman, “Demo: Remote experimentation with open-access full-duplex wireless in the COSMOS testbed,” in Proc. ACM Int’l. Conf. on Mobile Computing and Networking (MobiCom), 2020. [PDF] [DOI]
  6. D. Raychaudhuri, I. Seskar, G. Zussman, T. Korakis, D. Kilper, T. Chen, J. Kolodziejski, M. Sherman, Z. Kostic, X. Gu, H. Krishnaswamy, S. Maheshwari, P. Skrimponis, and C. Gutterman, “Challenge: COSMOS: A city-scale programmable testbed for experimentation with advanced wireless,” in Proc. ACM Int’l. Conf. on Mobile Computing and Networking (MobiCom), 2020. [PDF] [DOI] [COSMOS website
  7. A. Nagulu, A. Gaonkar, S. Ahasan, T. Chen, G. Zussman, and H. Krishnaswamy, “A full-duplex receiver leveraging multiphase switched-capacitor-delay based multi-domain FIR filter cancellers,” in Proc. IEEE Radio Frequency Integrated Circuits Symp. (RFIC), 2020. [PDF] [DOI]
  8. T. Chen, J. Diakonikolas, J. Ghaderi, and G. Zussman, “Hybrid scheduling in heterogeneous half- and full-duplex wireless networks,” IEEE/ACM Transactions on Networking, vol. 28, no. 2, pp. 764-777, Apr. 2020. [PDF] [DOI]
  9. A. Minakhmetov, C. Gutterman, T. Chen, J. Yu, C. Ware, L. Iannone, D. Kilper, and G. Zussman, “Experiments on cloud-RAN wireless handover using optical switching in a dense urban testbed,” in Proc. IEEE/OSA Optical Fiber Communication Conf. (OFC), Th2A.25, 2020. [PDF] [DOI]
  10. J. Yu, C. Gutterman, A. Minakhmetov, M. Sherman, T. Chen, S. Zhu, G. Zussman, I. Seskar, and D. Kilper, “Dual use SDN controller for management and experimentation in a field deployed testbed,” in Proc. IEEE/OSA Optical Fiber Communication Conf. (OFC), T3J.3, 2020. [PDF] [DOI]
  11. A. Nagulu, T. Chen, G. Zussman, and H. Krishnaswamy, “Non-magnetic 180nm SOI circulator with multi-watt power handling based on switched capacitor clock boosting,” in Proc. IEEE Int’l. Solid-State Circuits Conf. (ISSCC), 2020. [PDF] [DOI]
  12. T. Chen, J. Zhou, G. Zussman, and H. Krishnaswamy, “Integrated full-duplex radios: System concepts, implementations, and experimentation,” in Full-Duplex Communications for Future Wireless Networks (eds: H. Alves, T. Riihonen, and H. Suraweera) (invited), Springer, 2020, pp. 299-320. [link]

2019

  1. T. Chen, M. Kohli, T. Dai, A. D. Estigarribia, D. Chizhik, J. Du, R. Feick, R. Valenzuela, and G. Zussman, “28GHz channel measurements in the COSMOS testbed deployment area,” in Proc. ACM MobiCom’19 Workshop on Millimeter-Wave Networks and Sensing Systems (mmNets), 2019. [PDF] [DOI]
  2. T. Chen, M. Baraani Dastjerdi, J. Welles, J. Zhou, H. Krishnaswamy, and G. Zussman, “Poster: Enabling wideband full-duplex wireless via frequency-domain equalization,” in Proc. ACM Int’l. Conf. on Mobile Computing and Networking (MobiCom), 2019. ACM MobiCom Student Research Competition (SRC) Winner – First Place [PDF] [DOI]
  3. C. Gutterman, A. Minakhmetov, J. Yu, M. Sherman, T. Chen, S. Zhu, I. Seskar, D. Raychaudhuri, D. Kilper, and G. Zussman, “Programmable optical x-haul network in the COSMOS testbed,” in Proc. IEEE ICNP’19 Workshop Midscale Education and Research Infrastructure and Tools (MERIT), 2019. [PDF] [DOI]
  4. T. Chen, J. Welles, M. Kohli, M. Baraani Dastjerdi, J. Kolodziejski, M. Sherman, I. Seskar, H. Krishnaswamy, and G. Zussman, “Experimentation with full-duplex wireless in the COSMOS testbed,” in Proc. IEEE ICNP’19 Workshop Midscale Education and Research Infrastructure and Tools (MERIT), 2019. [PDF] [DOI]
  5. T. Chen, M. Baraani Dastjerdi, J. Zhou, H. Krishnaswamy, and G. Zussman, “Wideband full-duplex wireless via frequency-domain equalization: Design and experimentation,” in Proc. ACM Int’l. Conf. on Mobile Computing and Networking (MobiCom), 2019. [PDF] [DOI]
  6. J. Du, D. Chizhik, R. Valenzuela, R. Feick, G. Castro, M. Rodriguez, T. Chen, M. Kohli, and G. Zussman, “Directional measurements in urban street canyons from macro rooftop sites at 28GHz for 90% outdoor coverage,” arXiv:1908.00512v2 [eess.SP], Aug. 2019. [arXiv]
  7. A. Nagulu, T. Chen, G. Zussman, and H. Krishnaswamy, “A full-duplex radio using a CMOS non-magnetic circulator achieving +95 dB overall SIC,” in Proc. IEEE AP-S Symp. on Antennas and Propagation and CNC/USNC-URSI Joint Meeting (AP-S/URSI) (invited), 2019. [PDF] [DOI]
  8. T. Chen, M. Baraani Dastjerdi, H. Krishnaswamy, and G. Zussman, “Wideband full-duplex phased array with joint transmit and receive beamforming: Optimization and rate gains,” in Proc. ACM Int’l. Symp. on Mobile Ad Hoc Networking and Computing (MobiHoc), 2019. Best Paper Finalist [PDF] [DOI]
  9. A. Nagulu, T. Chen, G. Zussman, and H. Krishnaswamy, “A single antenna full-duplex radio using a non-magnetic, CMOS circulator with in-built isolation tuning,” in Proc. IEEE ICC’19 Workshop on Full-Duplex Communications for Future Wireless Networks (invited), 2019. [PDF] [DOI]
  10. J. Yu, T. Chen, C. Gutterman, S. Zhu, G. Zussman, I. Seskar, and D. Kilper, “COSMOS: Optical architecture and prototyping,” in Proc. IEEE/OSA Optical Fiber Communication Conf. (OFC), M3G.3 (invited), 2019. [PDF] [DOI]
  11. D. Rubenstein, G. Zussman, J. Ghaderi, R. Margolies, T. Chen, and G. Grebla, “Systems and methods for throughput enhancement among ultra-low power wireless network devices,” U.S. Patent US 10,200,956 B2, Feb. 2019. [link]
  12. N. Reiskarimian, T. Dinc, J. Zhou, T. Chen, M. Baraani Dastjerdi, J. Diakonikolas, G. Zussman, and H. Krishnaswamy, “A one-way ramp to a two-way highway: Integrated magnetic-free non-reciprocal antenna interfaces for full duplex wireless,” IEEE Microwave Magazine (invited), vol. 20, no. 2, pp. 56-75, Feb. 2019. [PDF] [DOI]

2018

  1. T. Chen, M. Baraani Dastjerdi, J. Zhou, H. Krishnaswamy, and G. Zussman, “Wideband full-duplex wireless via frequency-domain equalization: Design and experimentation,” arXiv:1812.01126 [eess.SP], Dec. 2018.
  2. T. Chen, J. Diakonikolas, J. Ghaderi, and G. Zussman, “Hybrid scheduling in heterogeneous half- and full-duplex wireless networks,” arXiv:1801.01108v2 [cs.NI], Nov. 2018.
  3. T. Chen, J. Diakonikolas, J. Ghaderi, and G. Zussman, “Fairness and delay in heterogeneous half- and full-duplex wireless networks,” in Proc. Asilomar Conf. on Signals, Systems, and Computers (invited), 2018.
  4. M. Baraani Dastjerdi, T. Chen, N. Reiskarimian, G. Zussman, and H. Krishnaswamy, “Self-interference cancellation via beamforming in an integrated full duplex circulator-receiver phased array,” in Proc. IEEE Int’l. Conf. on Signal Processing and Communications (SPCOM) (invited), 2018.
  5. M. Baraani Dastjerdi, N. Reiskarimian, T. Chen, G. Zussman, and H. Krishnaswamy, “Full duplex circulator-receiver phased array employing self-interference cancellation via beamforming,” in Proc. IEEE Radio Frequency Integrated Circuits Symp. (RFIC), 2018.
  6. T. Chen, M. Baraani Dastjerdi, G. Farkash, J. Zhou, H. Krishnaswamy, and G. Zussman, “Open-access full-duplex wireless in the ORBIT testbed,” arXiv:1801.03069v2 [cs.NI], May 2018.
  7. T. Chen, J. Diakonikolas, J. Ghaderi, and G. Zussman, “Hybrid scheduling in heterogeneous half- and full-duplex wireless networks,” in Proc. IEEE Int’l. Conf. on Computer Communications (INFOCOM), 2018.
  8. T. Chen, M. Baraani Dastjerdi, G. Farkash, J. Zhou, H. Krishnaswamy, and G. Zussman, “Demo Abstract: Open-access full-duplex wireless in the ORBIT testbed,” in Proc. IEEE Int’l. Conf. on Computer Communications (INFOCOM), 2018.
  9. T. Chen, J. Ghaderi, D. Rubenstein, and G. Zussman, “Maximizing broadcast throughput under ultra-low-power constraints,” IEEE/ACM Transactions on Networking, vol. 26, no. 2, pp. 779-792, Apr. 2018.

2017 and earlier

  1. T. Chen, J. Zhou, M. Baraani Dastjerdi, J. Diakonikolas, H. Krishnaswamy, and G. Zussman, “Demo abstract: Full-duplex with a compact frequency domain equalization-based RF canceller,” in Proc. IEEE Int’l. Conf. on Computer Communications (INFOCOM), 2017.
  2. T. Chen, J. Ghaderi, D. Rubenstein, and G. Zussman, “Maximizing broadcast throughput under Ultra-low-power constraints,” arXiv:1610.04203v2 [cs.NI], Apr. 2017.
  3. J. Zhou, N. Reiskarimian, J. Marasevic, T. Dinc, T. Chen, G. Zussman, and H. Krishnaswamy, “Integrated full-duplex radios,” IEEE Communications Magazine (invited), vol. 55, no. 4, pp. 142-151, Apr. 2017.
  4. T. Chen, J. Ghaderi, D. Rubenstein, and G. Zussman, “Performance evaluation of Energy-Constrained Broadcast (EconCast) in wireless networks,” in Proc. IEEE WCNC’17 Workshop on Energy Harvesting and Remotely Powered Wireless Communications for the IoT (invited), 2017.
  5. R. Margolies, G. Grebla, T. Chen, D. Rubenstein, and G. Zussman, “Panda: Neighbor discovery on a power harvesting budget,” IEEE Journal on Selected Areas in Communications, Green Communications and Networking Series, vol. 34, no. 12, pp. 3606-3619, Dec. 2016.
  6. T. Chen, J. Ghaderi, D. Rubenstein, and G. Zussman, “Maximizing broadcast throughput under ultra-low-power constraints,” in Proc. ACM Int’l. Conf. on emerging Networking EXperiments and Technologies (CoNEXT), 2016. Best Paper Award [DOI]
  7. H. Krishnaswamy, G. Zussman, J. Zhou, J. Marasevic, T. Dinc, N. Reiskarimian, and T. Chen, “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 Proc. Asilomar Conf. on Signals, Systems, and Computers (invited), 2016.
  8. T. Chen, G. Chen, S. Jain, R. Margolies, G. Grebla, D. Rubenstein, and G. Zussman, “Demo abstract: Power-aware neighbor discovery for energy harvesting things,” in Proc. ACM SenSys’16, 2016. [DOI]
  9. J. Marasevic, T. Chen, J. Zhou, N. Reiskarimian, H. Krishnaswamy, and G. Zussman, “Full-duplex wireless: Algorithms and rate Improvement bounds for Integrated circuit implementations,” in Proc. ACM HotWireless’16 (invited), 2016. [DOI]
  10. T. Chen, J. Zhou, N. Grimwood, R. Fogel, J. Marasevic, H. Krishnaswamy, and G. Zussman, “Demo: Full-duplex wireless based on a small-form-factor analog self-interference canceller,” in Proc. ACM MobiHoc’16, 2016. [DOI]
  11. R. Margolies, G. Grebla, T. Chen, D. Rubenstein, and G. Zussman, “Panda: Neighbor discovery on a power harvesting budget,” in Proc. IEEE Int’l. Conf. on Computer Communications (INFOCOM), 2016.
  12. R. Margolies, G. Grebla, T. Chen, D. Rubenstein, and G. Zussman, “Panda: Neighbor discovery on a power harvesting budget,” arXiv:1601.06474 [cs.NI], Jan. 2016.
  13. S. Zhou, T. Chen, W. Chen, and Z. Niu, “Outage minimization for a fading wireless link with energy harvesting transmitter and receiver,” IEEE Journal on Selected Areas in Communications, Special Issue on Wireless Communications Powered by Energy Harvesting and Wireless Energy Transfer, vol. 33, no. 3, pp. 496-511, Mar. 2015.
  14. T. Chen, S. Zhou, W. Chen, and Z. Niu, “Power control policies for a wireless link with energy harvesting transmitter and receiver,” in Proc. IEEE Int’l. Symp. on Modeling and Optimization in Mobile, Ad Hoc and Wireless Networks (WiOpt), 2014.