Current position: Prof. Xun Luo >> Scientific Research >> Publication
Xun Luo

Personal Information

Professor   Supervisor of Doctorate Candidates  

Academic Titles : Executive Director of Center for Integrated Circuits

Publication

Journal

  1. H. Qian, Y. Shu, J. Zhou, and X. Luo, “A 20−32GHz quadrature digital transmitter using synthesized impedance variation compensation,” IEEE J. Solid-State Circuits, on-line publication (early access), 2020.

  2. Z. Deng, J. Zhou, H. Qian, and X. Luo, “High resolution reconfigurable phase-tuning line using self-shielded 3-D interdigital capacitor,” IEEE Microw. Wireless Compon. Lett., accepted, 2020.

  3. W. Yu, H. Qian, Y. Rao, and X. Luo, “A reflectionless filtering 90° coupler using stacked cross coupled-line and loaded cross-stub,” IEEE Microw. Wireless Compon. Lett., accepted, 2020.

  4. Y. Rao, H. Qian, B. Yang, R. Gomez-Garcia, and X. Luo, Dual-band bandpass filter and filtering power divider with ultra-wide upper stopband using hybrid microstrip/DGS dual-resonance cells,” IEEE Access, vol. 8, pp. 23624-23637, Feb. 2020.

  5. C. Liu, Y. Rao, Z. Deng, W. Li, and X. Luo, “Marshalling access: four-channel switchable filter bank,” IEEE Microw. Magazine, vol. 21, no. 1, pp. 73–81, Jan. 2020. (IEEE IMS2019 Student Design Competition Winner for the category of Four-Channel Switchable/Reconfigurable Filter Bank)

  6. Y. Shu, H. Qian, and X. Luo, “A 169.6 GHz low phase noise and wideband hybrid mode-switching push-push oscillator,” IEEE Trans. Microw. Theory Tech., vol. 67, no. 7, pp. 27692781, Jul. 2019.

  7. Z. Deng, H. Qian, and X. Luo, “Tunable quasi-circulator based on a compact fully-reconfigurable 180° hybrid for full-duplex transceivers,” IEEE Trans. Circuits Syst. I, Reg. Papers, vol. 66, no. 8, pp. 29492962, Aug. 2019(IEEE TCAS-I Download Ranking No.6, May 2019)

  8. J. Zhou, H. Qian, J. Ren, and X. Luo, “Reconfigurable wideband filtering balun with tunable dual-notched bands using CPW-to-slot transition and varactor-loaded shorted-slot,” IEEE Access, vol. 7, pp. 36761–36771, Mar. 2019.

  9. X. Luo, B. Yang, and H. Qian, “Adaptive synthesis for resonator-coupled filters based on particle swarm optimization,” IEEE Trans. Microw. Theory Tech., vol. 67, no. 2, pp. 712725, Feb. 2019.

  10. H. Qian, B. Zhang, and X. Luo, “High resolution wideband phase shifter with current limited vector-sum,” IEEE Trans. Circuits Syst. I, Reg. Papers, vol. 66, no. 2, pp. 820–833, Feb. 2019.

  11. J. Deng, Y. Yang, Z. Zhu, and X. Luo, “A 140–220 GHz balanced doubler with 8.7–12.7% efficiency,” IEEE Microw. Wireless Compon. Lett., vol. 28, no. 6, pp. 515–517, Jun. 2018.

  12. Z. Deng, Z. Tian, H. Qian, and X. Luo, “A metamorphosed roadway: dual-band variable-attenuation notch filters,” IEEE Microw. Magazine, vol. 19, no. 2, pp. 70–76, Mar. 2018. (IEEE IMS2017 Student Design Competition Winner for the category of Dual-Band Variable-Attenuation Notch Filters)

  13. J. Zhou, H. Qian, and X. Luo, “Compact wideband phase shifter using microstrip self-coupled line and broadside-coupled microstrip/CPW for multi-phase feed-network,” IEEE Microw. Wireless Compon. Lett., vol. 27, no. 9, pp. 791–793, Sep. 2017. (IEEE MWCL Download Ranking No.1, Sep. 2017)

  14. H. Qian, J. O. Liang, and X. Luo, “Wideband digital power amplifiers with efficiency improvement using 40-nm LP CMOS technology,” IEEE Trans. Microw. Theory Tech., vol. 64, no. 3, pp. 675–687, Mar. 2016. (IEEE TMTT Download Ranking No.1, Apr. 2016)

  15. H. Qian and X. Luo, “Compact 6.5-28.5 GHz on-chip balun with enhanced inband balance responses,” IEEE Microw. Wireless Compon. Lett., vol. 26, no. 12, pp. 993–995, Dec. 2016.

  16. X. Luo, S. Sun, et al., “Tunable bandpass filter with two adjustable transmission poles and compensable coupling,” IEEE Trans. Microw. Theory Tech., vol. 62, no. 9, pp. 2003–2013, Sep. 2014. (IEEE TMTT Download Ranking No.1, Sep. 2014)

  17. A. Li, S. Zheng, J. Yin, X. Luo, and H. C. Luong, “A 21–48 GHz subharmonic injection-locked fractional-N frequency synthesizer for multiband point-to-point backhaul communications,” IEEE J. Solid-State Circuits, vol. 8, no. 49, pp. 1785–1799, Aug. 2014. (IEEE TMTT Download Ranking No.13, Aug. 2014)

  18. X. Luo, H. Qian, S. Sun, and Z.-N. Chen, “Dual-band bandpass filter design using miniaturized spiral scheme,” Microwave. Opt. Technol. Lett., vol. 56, no. 4, pp. 997–999, Apr. 2014.

  19. X. Luo and H. Qian, “Compact Filter Design Using SIR and Tapped Asymmetrical Coupling Path,” Microwave. Opt. Technol. Lett., vol. 55, no. 9, pp. 2059–2062, Sep. 2013.

  20. X. Luo, J.-G. Ma, K. S. Yeo, and E.-P. Li, “Compact ultra-wideband (UWB) bandpass filter with dual- and quad-notched bands,” IEEE Trans. Microw. Theory Tech., vol. 59, no. 6, pp. 1509–1519, Jun. 2011. (IEEE TMTT Download Ranking No.2, Jul. 2011)

  21. X. Luo, J.-G. Ma, E.-P. Li, and K. Ma, “Hybrid microstrip T-stub/defected ground structure cell for electromagnetic interference bandpass filter design,” IEEE Trans. Electromagnetic Compatibility, vol. 53, no. 3, pp. 717–725, Aug, 2011. (IEEE TEMC Download Ranking No.10, Sep. 2011)

  22. X. Luo, J.-G. Ma, and E.-P. Li, “Hybrid microstrip/DGS cell for filter design,” IEEE Microwave Wireless Compon. Lett., vol. 21, no. 10, pp. 528–530, Oct. 2011, invited paper.

  23. X. Luo, J.-G. Ma, and E.-P. Li, “Wideband bandpass filter with wide stopband using loaded BCMC stub and short-stub,” IEEE Microwave Wireless Compon. Lett., vol. 21, no. 7, pp. 353–355, Jul. 2011.

  24. X. Luo, J.-G. Ma, and E.-P. Li, “Bandpass filter with wide stopband using broadside-coupled microstrip T-stub/DGS cell,” Microwave. Opt. Technol. Lett., vol. 53, no. 8, pp. 1786–1789, Aug. 2011.

  25. X. Luo, J.-G. Ma, and E.-P. Li, “Dual-band bandpass filter using stepped-impedance-stub loaded hexagonal SIR,” Microwave. Opt. Technol. Lett., vol. 53, no. 5, pp. 1147–1150, May. 2011.

  26. X. Luo, J.-G. Ma, K. Ma, and K. S. Yeo, “Compact UWB bandpass filter with ultra narrow notched band,” IEEE Microwave Wireless Compon. Lett., vol. 20, no. 3, pp. 145–147, Mar. 2010.

  27. X. Luo, H. Qian, J.-G. Ma, K. Ma, and K. S. Yeo, “Compact Dual-Band Bandpass Filters Using Novel Embedded Spiral Resonator (ESR),” IEEE Microwave Wireless Compon. Lett., vol. 20, no. 8, pp. 435–437, Aug. 2010.

  28. X. Luo, J.-G. Ma, and K. S. Yeo, “Dual-band bandpass filter using embedded spiral resonator (ESR) and broadside-coupled meander slot-line (MSL),” Electronic Lett., vol. 46, no. 16, pp. 1390–1391, Aug. 2010.

  29. X. Luo, H. Qian, J.-G. Ma, and E.-P. Li, “Wideband bandpass filter with excellent selectivity using new CSRR based resonator,” Electronic Lett., vol. 46, no. 20, pp. 1135–1137, Sep. 2010.

  30. X. Luo, J.-G. Ma, K. Ma, and K. S. Yeo, “An ultra-wideband bandpass filter using hybrid structure of microstrip and CPW,” Microwave. Opt. Technol. Lett., vol. 51, no. 10, pp. 2470–2473, Oct. 2009.


Conference

  1. D. Tang, C. Han, Z. Deng, H. Qian, and X. Luo, “Compact bandpass filter with wide stopband and low radiation loss,” in IEEE MTT-S Int. Microwave Sym. Dig., Los Angeles, CA, USA, Jun. 2020. (IMS2020 Best Student Paper Finalist)

  2. H. Qian, B. Yang, J. Zhou, H. Xu, and X. Luo, “A quadrature digital power amplifier with hybrid Doherty and impedance boosting for efficiency enhancement in complex domain,” in IEEE RFICLos Angeles, CA, USA, Jun. 2020.

  3. B. Yang, H. Qian, T. Wang, and X. Luo, “1.2–3.6 GHz 32.67 dBm 4096-QAM digital PA using reconfigurable power combining transformer for wireless communication,” in IEEE RFIC, Los Angeles, CA, USA, Jun. 2020.

  4. Y. Shu, H. Qian, and X. Luo, “A 18.6-to-40.1GHz 201.7dBc/Hz FoMT multi-core oscillator using E-M mixed-coupling resonance boosting, in IEEE ISSCC, San Franscisco, CA, Feb. 2020.

  5. W. Li, H. Qian, and X. Luo, A 21.6–45 GHz low-profile wideband slot antenna array for 5G wireless, in IEEE AP-S/URSI, Montréal, Canada, Jun. 2020.

  6. X. Deng, Y. Tian, K. Huang, J. Jiang, Y. He, J. Zhou, W. Su, and X. Luo, A 315–340 GHz frequency amplifier/multiplier chain with 8.5 dBm peak output power,” in IEEE MTT-s Int. Wireless Symp., Shanghai, China, May. 2020.

  7. B. Yang, H. Qian, J. Zhou, Y. Shu, and X. Luo, “A 90-98 GHz 2×2 phased-array transmitter with high resolution phase control and digital gain compensation,” in IEEE MTT-S Int. Microwave Sym. Dig., Boston, MA, USA, Jun. 2019. (IMS2019 Best Student Paper Finalist)

  8. X. Liu, J. Zhou, Z. Deng, and X. Luo, “Compact wideband marchand balun with amplitude and phase compensation shield,” in IEEE MTT-S Int. Microwave Sym. Dig., Boston, MA, USA, Jun. 2019. (IMS2019 Best Student Paper Finalist)

  9. W. Chen, Y. Shu, Z. Deng, H. Qian, and X. Luo, “A wideband quasi-circulator with low NF and high P1dB using noise-canceling technique,” in IEEE MTT-S Int. Microwave Sym. Dig., Boston, MA, USA, Jun. 2019.

  10. Z. Tian, Y. Rao, Z. Deng, and X. Luo, “Reconfigurable dual-band filtering power divider with ultra-wide stopband using hybrid microstrip/square defected ground structure,” in IEEE MTT-S Int. Microwave Sym. Dig., Boston, MA, USA, Jun. 2019.

  11. C. Liu, Z. Deng, X. Liu, and X. Luo, “A wideband bandpass filter with broad stopband and ultra-wide reflectionless range for 5G applications,” in IEEE MTT-S Int. Microwave Sym. Dig., Boston, MA, USA, Jun. 2019.  (IMS2019 Sixty-Second Presentation Competition Award)

  12. H. Qian, Y. Shu, J. Zhou, and X. Luo, “A 20-32GHz digital quadrature transmitter with notched-matching and mode-switch topology for 5G wireless and backhaul,” in IEEE RFIC, Boston, MA, USA, Jun. 2019.

  13. C. Han, Y. Rao, H. Qian, and X. Luo, “High-selectivity bandpass filter with wide upper stopband using harmonic suppression structure,”in IEEE Int. Symp. Radio-Freq. Integra. Techn., Nanjing, China, Aug. 2019. (RFIT2019 Best Student Paper Award, 3rd Place)

  14. Y. Shu, H. Qian, and X. Luo, “A 169.6 GHz hybrid mode-switching push-push oscillator with 21.7% tuning range and 180.6dBc/Hz FoMT in 28nm CMOS technology,” in IEEE MTT-S Int. Microwave Sym. Dig., Philadelphia, PA, USA, Jun. 2018.

  15. Z. Deng, H. Qian, and X. Luo, “A compact quasi-circulator with high isolation using reconfigurable 180° hybrid,” in IEEE MTT-S Int. Microwave Sym. Dig., Philadelphia, PA, USA, Jun. 2018.

  16. J. Ren, H. Qian, and X. Luo, “A wideband filtering balun using CPW-to-slotline transitions,” in IEEE MTT-S Int. Microwave Sym. Dig., Philadelphia, PA, USA, Jun. 2018. (IMS2018 Best Student Paper Finalist)

  17. L. Fan, H. Qian, B. Yang, G. Wang, and X. Luo, “Filtering power divider with wide stopband using open-stub loaded coupled-line and hybrid microstrip T-stub/DGS cell,” in IEEE MTT-S Int. Microwave Sym. Dig., Philadelphia, PA, USA, Jun. 2018.

  18. Y. Rao, H. Qian, R. Gomez-Garcia, and X. Luo, “Dual-band bandpass filter with ultra-wide upper stopband using slow-wave dual-resonance cells,” in IEEE MTT-S Int. Microwave Sym. Dig., Philadelphia, PA, USA, Jun. 2018.

  19. Y. Shu, H. Qian, and X. Luo, “A 20.7-31.8GHz dual-mode voltage waveform-shaping oscillator with 195.8dBc/Hz FoMT in 28nm CMOS,” in IEEE RFIC, Philadelphia, PA, USA, Jun. 2018.

  20. T. Wang, X. Liu, Z. Deng, and X. Luo, “Compact multi-function notch filter using λ/4 microstrip resonator with embedded varactor-loaded hybrid microstrip/CPW structure,” in Proc. Asia-Pacific Microw. Conf., Kyoto, Nov. 2018.

  21. Y. Shu, H. Qian, and X. Luo, “A 173 GHz transformer-based push-push oscillator with 11.2% tuning range in 28nm CMOS,” in IEEE MTT-s Int. Wireless Symp., Chengdu, China, May. 2018. (IWS2018 Best Student Paper Award, 2nd Place)

  22. X. Liu, Z. Tian, H. Qian, and X. Luo, “Reconfigurable diplexer using λ/2 resonator with hybrid varactor-embedded stepped-impedance open-stub and slot,” in IEEE MTT-s Int. Wireless Symp., Chengdu, China, May. 2018.

  23. C. Liu, X. Liu, Z. Deng, and X. Luo, “High-isolation multi-function duplexer using varactor loaded sir and feed-line,” in UCMMT, Hangzhou, China, Sep. 2018.

  24. X. Tian, H. Qian, R. Gomez-Garcia, and X. Luo, “Compact K-band split-type dual-band bandpass filter based on stepped-impedance DGS cells,” in UCMMT, Hangzhou, China, Sep. 2018.

  25. Z. Tian, H. Qian, and X. Luo, “Reconfigurable dual-band bandpass filter with fully-switch operation using λ/2 folded-resonator with varactor-loaded open-stub,” in IEEE MTT-S Int. Microwave Sym. Dig., Honolulu, HI, Jun. 2017.

  26. J. Zhou, H. Qian, D. Huang, and X. Luo, “Ultra-wideband (UWB) wilkinson power divider with ultra-narrow dual-notched bands using embedded CPW resonators,” in IEEE MTT-S Int. Microwave Sym. Dig., Honolulu, HI, Jun. 2017.

  27. H. Qian, J. O. Liang, N. Zhu, P. Gao, and X. Luo, “A 3-7GHz 4-element digital modulated polar phased-array transmitter with 0.35° phase resolution and 38.2% peak system efficiency,” in IEEE Custom Integrated Circuits Conf., Austin, TX, May 2017.

  28. B. Yang, H. Qian, Y. Shu, and X. Luo, “Compact bandpass filter with wide stopband using slow-wave CPW resonator with back-to-back coupled-scheme,” in IEEE Int. Symp. Radio-Freq. Integra. Techn., Seoul, Korea, Aug. 2017.

  29. Y. Shu, B. Yang, H. Qian, and X. Luo, “Compact UWB antenna with quad-notched bands,” in IEEE AP-S/URSI, Puerto Rico, Jun. 2016.

  30. H. Qian, J. O. Liang, N. Zhu, P. Gao, and X. Luo, “A 3.1–7 GHz 40-nm CMOS digital polar transmitter with high data-rate and feed-forward operation,” in IEEE Int. Symp. Radio-Freq. Integra. Techn., Taipei, Taiwan, Aug. 2016. (RFIT2016 Best Student Paper Award, 1st Place)

  31. Z. Zhang, B. Yang, H. Qian, X. Luo, “Dual-band bandpass filter based on slow-wave resonant cell,” in IEEE MTT-S Int. Conf. Numerical Electromagn. Multiphys. Model. Optim., Beijing, China, Jul. 2016.

  32. B. Yang, H. Qian, and X. Luo, “Compact CPW bandpass filter with ultra-wide stopband using slow-wave structure,” in IEEE Int. Workshop on Electromagn., Nanjing, China, May 2016.

  33. X. Luo, et. al., “A waveform-shaping millimeter-wave oscillator with 184.7dBc/Hz FOM in 40nm digital CMOS process,” in IEEE MTT-S Int. Microwave Sym. Dig., Phoenix, AZ, May 2015.

  34. X. Luo, “On-chip CMOS THz resonant cell using hybrid coplanar-waveguide T-stub/defected ground structure,” in IEEE MTT-S Int. Microwave Sym. Dig., Phoenix, AZ, May 2015.

  35. H. Qian and X. Luo, “Novel on-chip passive circuits for RF, microwave, millimeter-wave and sub-THz applications,” in IEEE MTT-S Int. Microwave Workshop Series, Suzhou, China, Jul. 2015.

  36. H. Qian, J. O. Liang, and X. Luo, “A 3.5-9.5 GHz compact digital power amplifier with 39.3% peak PAE in 40nm CMOS technology,” in IEEE MTT-s Int. Wireless Symp., Shenzhen, China, Apr. 2015. (IWS2015 Best Student Paper Award, 1st Place)

  37. L. Jin and X. Luo, “Ultra-low phase-noise VCO for microwave/mm-wave point-to-point backhaul communication,” in IEEE MTT-s Int. Wireless Symp., Shenzhen, China, Apr. 2015.

  38. K. Han and X. Luo, “A 9.5–18.5 GHz power amplifier for multi-band microwave point-to-point backhaul communication,” in IEEE RFIC, Tamp Bay, FL, Jun. 2014.

  39. X. Luo, “Compact ultra-wideband stacked-spiral-coupled balun using center-tapped float-shield and port-coupled compensation line,” in IEEE MTT-S Int. Microwave Sym. Dig., Seattle, WA, Jun. 2013.

  40. A. Li, S. Zheng, J. Yin, H. C. Luong and X. Luo, “A CMOS 21-48GHz fractional-N synthesizer employing ultra-wideband injection-locked frequency multipliers,” in IEEE Custom Integrated Circuits Conf., San Jose, CA, Sep. 2013. (CICC2013 Best Student Paper Finalist)

  41. X. Luo, L. Jin, S. Sun, and E.-P. Li, “Miniaturized dual-band bandpass filter using λ/2 spiral-resonator and loaded open-stub,” in IEEE MTT-s Int. Wireless Symp., Beijing, China, Apr. 2013.

  42. X. Luo and G. Wang, “Compact diplexer design using spiral-oriented resonator,” in Proc. Asia-Pacific Microw. Conf., Korea, Nov. 2013.

  43. X. Luo, S. Sun, and E.-P. Li, “Miniaturized dual-band bandpass filter using λ/2 spiral-resonator and loaded open-stub,” in IEEE MTT-S Int. Microwave Sym. Dig., Montréal, Canada, Jun. 2012.

  44. X. Luo, S. Sun, and E.-P. Li, “Microstrip spiral-coupled scheme bandpass filters with mutual electric and magnetic coupling,” in 42st European Microw. conf., Amsterdam, Oct. 2012.

  45. X. Luo, J.-G. Ma, and E.-P. Li, “Miniaturized bandpass filter with high selectivity and wide stopband using dual-layer structure,” in IEEE MTT-S Int. Microwave Sym. Dig., Baltimore, MA, Jun. 2011.

  46. X. Luo, J.-G. Ma, and E.-P. Li, “Compact high selectivity and wide stopband bandpass filter using dual-layer structure,” in 41st European Microw. conf., Manchester, Oct. 2011.

  47. X. Luo and E.-P. Li, “UWB bandpass filter with wide notch using hybrid microstrip/CPW scheme and defected microstrip array,” in Proc. Asia-Pacific Microw. Conf., Melbourne, Dec. 2011.

  48. X. Luo, H. Qian, J.-G. Ma, K. Ma, and K. S. Yeo, “A Compact UWB bandpass filter with ultra narrow notched band and competitive attenuation slope,” in IEEE MTT-S Int. Microwave Sym. Dig., Anaheim, CA, May. 2010.

  49. X. Luo, H. Qian, J.-G. Ma, and K. S. Yeo, “Novel bandpass filter with wide-stopband using quarter-wavelength shorted coupled-lines,” in Proc. Asia-Pacific Microw. Conf., Dec, 2010.

  50. X. Luo and J.-G. Ma, “Compact slot-line bandpass filter using backside microstrip open-stubs and air-bridge structure for spurious Suppression,” in Proc. Asia-Pacific Microw. Conf., Dec. 2009.

  51. H. Qian, X. Luo, X. Song, W. Luo, and J.-G. Ma, “Compact UWB bandpass filter using microstrip and coplanar waveguide back-to-back coupled structure,” in IEEE International Conference on Electron Devices and Solid-State Circuit, Nov. 2009, invited paper.

  52. X. Luo, J.-G. Ma, and E.-P. Li, “Compact ultra-wideband bandpass filter using broadside-coupled microstrip/coplanar waveguide composition structure,” in Proc. Asia-Pacific Microw. Conf., Dec. 2008.