Research
My research interests are in the general area of Wireless Communications with the following endeavors:
  • Intelligent Reflecting Surface-Assisted Communications
  1. K. Li, M. Cui, G. Zhang, Q. Wu, D. Li and J. He, “Robust Transmit and Reflect Beamforming Design for IRS-Assisted Offshore NOMA Communication Systems," accepted by IEEE Transactions on Vehicular Technology, 2023.
  2. H. Xie, B. Gu, D. Li, Z. Lin and Y. Xu, “Gain without Pain: Recycling Reflected Energy from Wireless Powered RIS-aided Communications," accepted by IEEE Internet of Things Journal, 2023.
  3. H. Niu, Z. Lin, K. An, X. Liang, Y. Hu, D. Li and G. Zheng, “Active RIS-Assisted Secure Transmission for Cognitive Satellite Terrestrial Networks," IEEE Transactions on Vehicular Technology, vol. 72, no. 2, pp. 2609-2614, Feburary 2023.
  4. Y. Wang, Z. Lin, H. Niu, K. An, Y. Hu, D. Li, G. Zheng and A.-D. Naofal, “Satellite Secure Transmission with Active Reconfigurable Intelligent Surface," IEEE Communications Letters, vol. 26, no. 12, pp. 3029-3033, December 2022.
  5. D. Li, “Bound Analysis of Number Configuration for Reflecting Elements in IRS-Assisted D2D Communications,” IEEE Wireless Communications Letters, vol. 11, no. 10, pp. 2220-2224, October 2022.
  6. D. Li, “How Many Reflecting Elements are Needed for Energy- and Spectral-Efficient Intelligent Reflecting Surface-Assisted Communication,” IEEE Transactions on Communications, vol. 70, no. 2, pp. 1320-1331, February 2022.
  7. X. Yu, D. Li, Y. Xu and Y.-C. Liang, “Convolutional Auto-Encoder-Based Feedback Compression for Intelligent Reflecting Surface-Assisted Wireless Systems," IEEE Communications Letters, vol. 26, no. 1, pp. 89-93, January 2022.
  8. Z. Gao, Y. Xu, Q. Wang, Q. Wu and D. Li, “Outage-Constrained Energy Efficiency Maximization for RIS-Assisted WPCNs," IEEE Communications Letters, vol. 25, no. 10, pp. 3370-3374, October 2021.
  9. D. Li, “Fairness-Aware Multiuser Scheduling for Finite-Resolution Intelligent Reflecting Surface-Assisted Communication,” IEEE Communications Letters, vol. 25, no. 7, pp. 2395-2397, July 2021.
  10. D. Li, “Ergodic Capacity of Intelligent Reflecting Surface-Assisted Communication Systems with Phase Errors,” IEEE Communications Letters, vol. 24, no. 8, pp. 1646-1650, August 2020.

  • Backscatter Communications, Ambient Backscatter
  1. C. Zhou, Y. Xu, D. Li, C. Huang, C. Yuen, J. Zhou and G. Yang, “Energy-Efficient Maximization for RIS-Aided MISO Symbiotic Radio Systems," accepted by IEEE Transactions on Vehicular Technology, 2023.
  2. Y. Xu, R. Xu, D. Li, G. Yang, G. Wang, C. Yuen and J. Zhou, “Robust Resource Allocation for Wireless-Powered Backscatter Communication Systems with NOMA," accepted by IEEE Transactions on Vehicular Technology, 2023.
  3. B. Gu, D. Li, Y. Liu and Y. Xu, “Exploiting Constructive Interference for Backscatter Communication Systems,” IEEE Transactions on Communications, vol. 71, no. 7, pp. 4344-4359, July 2023.
  4. B. Gu, H. Xie and D. Li, “Act before Another is Aware: Safeguarding Backscatter Systems with Covert Communications," IEEE Wireless Communications Letters, vol. 12, no. 6, pp. 1106-1110, June 2023.
  5. S. Mao, K. Yang, J. Hu, D. Li, D. Lan, M. Xiao and Y. Xiong, “Intelligent Reflecting Surface-aided Wireless Powered Hybrid Backscatter-Active Communication Networks," IEEE Transactions on Vehicular Technology, vol. 72, no. 1, pp. 1383-1388, January 2023.
  6. B. Gu, D. Li, Y. Xu, C. Li and S. Sun, “Many a Little Makes a Mickle: Probing Backscattering Energy Recycling for Backscatter Communications,” IEEE Transactions on Vehicular Technology, vol. 72, no. 1, pp. 1343-1348, January 2023.
  7. Y. Xu, B. Gu and D. Li, “Robust Energy-Efficient Optimization for Secure Wireless-Powered Backscatter Communications with A Non-linear EH Model," IEEE Communications Letters, vol. 25, no. 10, pp. 3209-3213, October 2021.
  8. X. Li, Y. Zheng, W. U. Khan, M. Zeng, D. Li, G. K. Ragesh and L. Li, “Physical Layer Security of Cognitive Ambient Backscatter Communications for Green Internet-of-Things,” IEEE Transactions on Green Communications and Networking, Special Issue on Green Internet of Things: Challenges and Future Opportunities, vol. 5, no. 3, pp. 1066-1076, September 2021. 
  9. Y. Ye, L. Shi, X. Chu, D. Li and G. Lu, “Delay Minimization in Wireless Powered Mobile Edge Computing With Hybrid BackCom and AT,” IEEE Wireless Communications Letters, vol. 10, no. 7, pp. 1532-1536, July 2021.
  10. D. Li, “Fairness-Aware Multiuser Scheduling for Finite-Resolution Intelligent Reflecting Surface-Assisted Communication,” IEEE Communications Letters, vol. 25, no. 7, pp. 2395-2397, July 2021.
  11. Y. Xu, B. Gu, R. Q. Hu, D. Li and H. Zhang, “Joint Computation Offloading and Radio Resource Allocation in MEC-based Wireless-Powered Backscatter Communication Networks,” IEEE Transactions on Vehicular Technology, vol. 70, no. 6, pp. 6200-6205, June 2021.
  12. D. Li, “Hybrid Active and Passive Antenna Selection for Backscatter-Assisted MISO Systems,” IEEE Transactions on Communications, vol. 68, no. 11, pp. 7258-7269, November 2020.
  13. D. Li, “Backscatter Communication Powered by Selective Relaying,” IEEE Transactions on Vehicular Technology, vol. 69, no. 11, pp. 14037-14042, November 2020.
  14. D. Li, “Fairness-Based Multiuser Scheduling for Ambient Backscatter Communication Systems,” IEEE Wireless Communications Letters, vol. 9, no. 8, pp. 1150-1154, August, 2020.
  15. D. Li, “Backscatter Communication via Harvest-Then-Transmit Relaying,” IEEE Transactions on Vehicular Technology, vol. 69, no. 6, pp. 6843-6847, June 2020.
  16. D. Li, “Two Birds with One Stone: Exploiting Decode-and-Forward Relaying for Opportunistic Ambient Backscattering,” IEEE Transactions on Communications, vol. 68, no. 3, pp. 1405-1416, March 2020.
  17. D. Li, H. Zhang and L. Fang, “Adaptive Mode Selection for Backscatter-Assisted Communication Systems with Opportunistic SIC,” IEEE Transactions on Vehicular Technology, vol. 69, no. 2, pp. 2327-2331, February 2020.
  18. D. Li, “Capacity of Backscatter Communication with Frequency Shift in Rician Fading Channels,” IEEE Wireless Communications Letters, vol. 8, no. 6, pp. 1639-1643, December 2019.
  19. D. Li and Y.-C. Liang, “Price-Based Bandwidth Allocation for Backscatter Communication with Bandwidth Constraints,” IEEE Transactions on Wireless Communications, vol. 18, no. 11, pp. 5170-5180, November 2019.
  20. D. Li, W. Peng and F. Hu, “Capacity of Backscatter Communication Systems with Tag Selection,” IEEE Transactions on Vehicular Technology, vol. 68, no. 10, pp. 10311-10314, October 2019.
  21. D. Li and Y.-C. Liang, “Adaptive Ambient Backscatter Communication Systems with MRC,” IEEE Transactions on Vehicular Technology, vol. 67, no. 12, pp. 12352-12357, December 2018.
  22. D. Li, W. Peng and Y.-C. Liang, “Hybrid Ambient Backscatter Communication Systems with Harvest-Then-Transmit Protocols,” IEEE Access, vol. 6, pp. 45288-45298, September 2018.

  • Cognitive Radio, Spectrum Sharing, Spectrum Sensing
  1. Y. Ma, Z. Quan, D. Li, S. Zhang, X. Li, Z, Feng and Z. Ding, “Optimal Linear Cooperation for Signal Classification in Cognitive Communication Networks,” IEEE Transactions on Wireless Communications, vol. 19, no. 5, pp. 3144-3155, May 2020.
  2. Y. Ma, Z. Quan, D. Li and J. Zhang, “Minimizing Misclassification for Cooperative Spectrum Sensing using M-ary Hypothesis Testing,” IEEE Transactions on Vehicular Technology, vol. 68, no. 8, pp. 8210-8215, August 2019.
  3. D. Li, “Amplify-and-Forward Relay Sharing for Both Primary and Cognitive Users,” IEEE Transactions on Vehicular Technology, vol. 65, no. 4, pp. 2796-2801, April 2016.
  4. D. Li, “Opportunistic DF-AF Selection for Cognitive Relay Networks,” IEEE Transactions on Vehicular Technology, vol. 65, no. 4, pp. 2790-2796, April 2016.
  5. D. Li, “Cognitive Relay Networks: Opportunistic or Uncoded Decode-and-Forward Relaying?” IEEE Transactions on Vehicular Technology, vol. 63, no. 3, pp. 1486-1491, March 2014.
  6. D. Li and Y.-C. Liang, “Power Allocation for Interference-Limited Cognitive Multiple Access Channels,” IEEE Wireless Communications Letters, vol. 2, no. 3, pp. 291-294, June 2013.
  7. D. Li, “Performance Analysis of MRC Diversity for Cognitive Radio Systems,” IEEE Transactions on Vehicular Technology, vol. 61, no. 2, pp. 849-853, February 2012.
  8. D. Li, “Effect of Channel Estimation Errors on Arbitrary Transmit Antenna Selection for Cognitive MISO Systems,” IEEE Communications Letters, vol. 15, no. 6, pp. 656-658, June 2011.
  9. D. Li, “Performance Analysis of Uplink Cognitive Cellular Networks with Opportunistic Scheduling,” IEEE Communications Letters, vol. 14, no. 9, pp. 827-829, September, 2010.
  10. D. Li, X. Dai and H. Zhang, “Sidelobe Suppression in NC-OFDM Systems using Constellation Adjustment,” IEEE Communications Letters, vol. 13, no. 5, pp. 327-329, May 2009.