Our current research focuses on the following aspects:


Wireless Boday Area Networks and eHealth

  • C. Yi and J. Cai, "Transmission management of delay-sensitive medical packets in beyond wireless body area networks: A queueing game approach", IEEE Trans. Mobile Computing. Accepted.
  • Z. Zhao, S. Huang, and J. Cai, "An analytical framework for IEEE 802.15.6-based wireless body area networks with instantaneous delay constraints and shadowing interruptions", IEEE Trans. Vehicular Technology. Accepted.
  • S. Huang, J. Cai, H. Chen, and F. Zhao, "Low-complexity priority-aware interference-avoidance scheduling for multi-user coexisting wireless networks", IEEE Trans. Wireless Communications. Accepted.
  • C. Yi and J. Cai, "A priority-aware truthful mechanism for supporting multi-class delay-sensitive medical packet transmission in e-health networks", IEEE Trans. Mobile Computing. Accepted.
  • C. Yi, A.S. Alfa, and J. Cai, "An incentive-compatible mechanism for transmission scheduling of delay-sensitive medical packets in e-health networks", IEEE Trans. Mobile Computing, DOI: 10.1109/TMC.2015.2500241.

Spectrum Sharing and Cognitive Radio

  • C. Yi and J. Cai, "Ascending-price progressive spectrum auction for cognitive radio networks with power-constrainted multi-rado secondary users", IEEE Trans. Vehicular Technology. Accepted.
  • C. Yi, J. Cai, and G. Zhang, "Spectrum auction for differential secondary wireless service provisioning with time-dependent valuation information", IEEE Trans. Wireless Communications. Accepted.
  • C. Yi and J. Cai, “Multi-item spectrum auction for recall-based cognitive radio networks with multiple heterogeneous secondary users”, IEEE Trans. Vehicular Technology, vol. 64, no. 2, pp. 781-792, Feb. 2015. DOI: 10.1109/TVT.2014.2322072.
  • C. Yi and J. Cai, "Two-stage Spectrum Sharing with Combinatorial Auction and Stackelberg Game in Recall-based Cognitive Radio Networks", IEEE Trans. Communications, vol. 62, no. 11, pp. 3740-3752, Nov. 2014. DOI: 10.1109/TCOMM.2014.2363116.
  • S. Dadallage, C. Yi, and J. Cai, "Joint beamforming, power and channel allocation in multi-user multi-channel underlay cognitive radio networks", IEEE Trans. Vehicular Technology. DOI: 10.1109/TVT.2015.2440421.
  • W. Wang, B. Kasiri, J. Cai and A. S. Alfa, “Channel assignment schemes for cooperative spectrum sensing in multi-channel cognitive radio networks”, Wireless Communications and Mobile Computing, vol. 15, no. 10, pp. 1471-1484, July 2015. DOI: 10.1002/wcm.2442.
  • B. Kasiri, J. Cai and A. S. Alfa, “Securing coalitional game for distributed cooperative spectrum sensing in multi-channel cognitive radio networks”, Springer Electronic Commerce Research, vol. 15, no. 1, pp. 121-146, Mar. 2015.
  • W. Wang, J. Cai, A. S. Alfa, C. K. Soong, and S. Li, “Adaptive dual-radio spectrum sensing scheme in cognitive radio networks”, Wireless Communications and Mobile Computing, vol. 13, no. 14, pp. 1247-1262, Oct. 2013.
  • B. Wang, D. Zhao, and J. Cai, “Admission control and packet scheduling in a cognitive radio network with spectrum underlay”, IEEE Trans. Wireless Communications, vol. 10, no. 11, pp. 3852-3863, Nov. 2011.

Resource Allocation and Scheduling

  • C. Yi, S. Huang, and J. Cai, "An incentive mechanism integrating joint power, channel and link management for social-aware D2D content sharing and proactive caching", IEEE Trans. Mobile Computing. Accepted.
  • C. Yi, Z. Zhao, J. Cai, R.L. Faria, ang G. Zhang, "Priority-aware pricing-based capacity sharing scheme for beyond-wireless body area networks", Computer Networks, vol. 98, pp. 29-43, Apr. 2016. DOI: 10.1016/j.comnet.2016.01.010.
  • W. Wang, J. Cai, and A. S. Alfa, “Distributed routing schemes with accessibility consideration in multi-hop wireless networks”, IEEE Trans. Wireless Communications, vol. 9, no. 10, pp. 3178-3188, Oct. 2010.
  • W. Wang, Z. Guo, X. Shen, C. Cheng, and J. Cai, “Dynamic bandwidth allocation for QoS provisioning in IEEE 802.16 networks with ARQ-SA”, IEEE Trans. Wireless Communications, vol. 7, no. 9, pp. 3477-3487, Sept. 2008.
  • J. Cai, X. Shen, J. W. Mark, and A. S. Alfa, “Semi-distributed user relaying algorithm for amplify-and-forward wireless relay networks,” IEEE Trans. Wireless Communications, vol. 7, no. 4, pp. 1348-1357, Apr. 2008.
  • J. Xu, X. Shen, J. W. Mark, and J. Cai, “Quasi-optimal channel assignment for real-time video in OFDM wireless systems”, IEEE Trans. Wireless Communications, vol. 7, no. 4, pp. 1417-1427, Apr. 2008.
  • J. Cai, K. Liu, X. Shen, J. W. Mark, and T. Todd, “Power allocation and scheduling for MAC layer design in UWB networks,” IEEE Trans. Vehicular Technology, vol. 57, no. 2, pp. 1103-1112, Mar. 2008.
  • J. Xu, X. Shen, J. W. Mark, and J. Cai, “Adaptive transmission of multi-layered video over wireless fading channels”, IEEE Trans. Wireless Communications, vol. 6, no. 6, pp. 2305-2314, June 2007.
  • J. Xu, X. Shen, J. W. Mark, J. Cai, “Efficient channel utilization for real-time video in OVSF-CDMA systems with QoS assurance,” IEEE Trans. Wireless Communications, vol. 5, no. 6, pp. 1382-1391, June 2006.
  • X. Shen, W. Zhuang, H. Jiang, and J. Cai, “Medium access control in ultra-wideband (UWB) networks,” (invited paper) IEEE Trans. Vehicular Technology, vol. 54, no. 5, pp. 1663-1677, Sept. 2005.
  • J. Cai, X. Shen, and J. W. Mark, “Downlink resource management for packet transmission in OFDM wireless communication systems,” IEEE Trans. Wireless Communications, vol. 4, no. 4, pp. 1688-1703, July 2005.

Energy Efficiency and Green Communications

  • H. Zhang, J. Cai, X. Li, and S. Huang, "Adaptive service rate and vaction length for energy-efficient HeNB based on queueing analysis", IEEE Trans. Vehicular Technology, DOI: 10.1109/TVT.2015.2506603.
  • H. Chen, G. Li, and J. Cai, "Spectral-energy efficiency tradeoff in full-duplex two-way relay networks", IEEE Systems Journal, DOI: 10.1109/JSYST.2015.2464238.
  • S. Huang, J. Cai, H. Chen, and H. Zhang, "Transmit power optimization for amplify-and-forward relay networks with reduced overhead", IEEE Trans. Vehicular Technology. DOI: 10.1109/TVT.2015.2453405.
  • S. Huang, H. Chen, J. Cai, and F. Zhao, “Energy efficiency and spectral-efficiency tradeoff in amplify-and-forward relay networks”, IEEE Trans. Vehicular Technology, vol. 62, no. 9, pp. 4366-4378, Sept. 2013.

Machine learning and distributed computing

  • H. Cao and J. Cai, "Distributed multi-user computation offloading for cloudlet based mobile cloud computing: a game-theoretic machine learning approach", IEEE Trans. Vehicular Technology. Accepted.
  • H. Cao and J. Cai, "Distributed opportunitic spectrum access in an unknown and dynamic environment: A stochastic learning approach", IEEE Trans. Vehicular Technology. Accepted.

Network Modeling and Performance Analysis

  • S. Huang and J. Cai, "An analysis framework for buffer-aided relaying under time-correlated fading channels", IEEE Trans. Vehicular Technology. DOI: 10.1109/TVT.2015.2497210.
  • X. Li, M. Peng, J. Cai, C. Yi, and H. Zhang, "OPNET-based modeling and simulation of mobile zigbee sensor networks", Springer Journal of Peer-to-Peer Networking and Applications, vol. 9, no. 2, pp. 414-423, Mar. 2016.
  • T. M. N. Ngatched, A. S. Alfa, and J. Cai, “A weighted queue-based model for correlated Rician fading channels”, IEEE Trans. Communications, vol. 59, no. 11, pp. 3049-3058, Nov. 2011.
  • L. Lei, C. Lin, J. Cai, and X. Shen, “Performance analysis of wireless opportunistic schedulers using stochastic Petri nets”, IEEE Trans. Wireless Communications, vol. 8, no. 4, pp. 2076-2087, Apr. 2009.
  • J. Cai, A. S. Alfa, P. Ren, X. Shen, and J. W. Mark, “Packet level performance analysis in wireless user-relaying networks”, IEEE Trans. Wireless Communications, vol. 7, no. 12, pp. 5336-5345, Dec. 2008.

Physical Layer Technologies

  • X. Li, Y. Yang, J. Cai, Y. Deng, J. Yang, X. Zhou, and L. Tan, "A practical indoor localization system through less-expensive wireless chips via subregion clustering", Sensors, accepted.
  • X. Li, Y. Zheng, J. Cai, and Y. Yi, "TrackCC: A practical wireless indoor localization system based on less-expensive chips",Sensors, DOI:10.3390/s17061391.
  • W. Yin, P. Ren, J. Cai, and Z. Su, “A pilot-aided detector for spectrum sensing of DVB-T signals in cognitive radio networks”, Wireless Communications and Mobile Computing, vol. 13, no. 13, pp. 1177-1191, Sept. 2013.
  • T. M. N. Ngatched, A. S. Alfa, and J. Cai, “Hybrid linear programming based decoding of finite-geometries LDPC codes”, IEEE Trans. Communications, vol. 59, no. 3, pp. 740-749, Mar. 2011.
  • P. Ren, Q. Yuan, R. Wang, and J. Cai, “Low complexity construction for quasi-cyclic low-density parity-check codes by progressive-block growth”, Science in China Series F: Information Sciences, vol. 54, no. 2, pp. 371-380, Feb. 2011.
  • J. Cai, X. Shen, J. W. Mark, H. Liu, and T. Todd, “Semiblind channel estimation for pulse-based ultra-wideband wireless communication systems,” IEEE Trans. Vehicular Technology, vol. 55, no. 1, pp. 95-103, Jan. 2006.
  • J. Cai, X. Shen, and J. W. Mark, “Robust channel estimation for OFDM wireless communication systems – An H∞ Approach,” IEEE Trans. Wireless Communications, vol. 3, no. 6, pp. 2060-2071, Nov. 2004.

Others

  • M.A. Darab, A. Khosroadeh, R. Mbeleck, Y. Liu, Q. Chang, J. Jiang, J. Cai, Q. Wang, G. Lou, and M. Xing, "Skin-inspired multifunctional autonomic-intrinsic conductive self-healing hydrogels with pressure sensitivity, stretchability and 3D printability", Advanced Materials (impact factor: 18.96), DOI:10.1002/adma.201700533.