Papers

Book Chapters

• Yi Shi and Y. Thomas Hou, "Analytical models for multi-hop cognitive radio networks," in Cognitive Radio Networks, edited by Yang Xiao and Fei Hu, Auerbach Publications, CRC Press, Boca Raton, FL, 2009.
• Yi Shi and Y. Thomas Hou, "Cross-layer optimization for multi-hop cognitive radio networks," in Cognitive Radio Communications and Networks: Principles and Practice, edited by Alexander M. Wyglinski, Maziar Nekovee, and Y. Thomas Hou, to be published by Elsevier Inc., Dec. 2009.

Journal papers

• Yi Shi, Y. Thomas Hou, and Huaibei Zhou, "Per-node based optimal power control for multi-hop cognitive radio networks," to appear in IEEE Transactions on Wireless Communications.
• Yi Shi and Y. Thomas Hou, "Optimal base station placement in wireless sensor networks," to appear in ACM Transactions on Sensor Networks.
• Yi Shi, Y. Thomas Hou, and Alon Efrat, "Algorithm design for a class of base station location problems in Sensor Networks," ACM/Springer Wireless Networks, vol. 15, issue 1, pp. 21-38, 2009.
• Yi Shi and Y. Thomas Hou, "On the capacity of UWB-based wireless sensor network," Elsevier Computer Networks Journal, vol. 52, issue 14, pp. 2797-2804, Oct. 2008.
• Jia Liu, Y. Thomas Hou, Yi Shi, and Hanif D. Sherali, "Cross-layer optimization for MIMO-based wireless mesh networks: Routing, power allocation, and bandwidth allocation," IEEE Journal on Selected Areas in Communications, vol. 26, no. 6, pp. 913-926, Aug. 2008.
• Yi Shi, Y. Thomas Hou, and Hanif D. Sherali, "Cross-layer optimization for data rate utility problem in UWB-based ad hoc networks," IEEE Transactions on Mobile Computing, vol. 7, issue 6, pp. 764-777, June 2008.
• Y. Thomas Hou, Yi Shi, and Hanif D. Sherali, "Rate allocation and network lifetime problems for wireless sensor networks," IEEE/ACM Transactions on Networking, vol. 16, no. 2, pp. 321-334, April 2008.
• Jia Liu, Y. Thomas Hou, Yi Shi, Hanif D. Sherali, and Sastry Kompella, "On the capacity of multiuser MIMO networks with interference," IEEE Transactions on Wireless Communications, vol. 7, no. 2, pp. 488–494, Feb. 2008.
• Y. Thomas Hou, Yi Shi, and Hanif D. Sherali, "Spectrum sharing for multi-hop networking with cognitive radios," IEEE Journal on Selected Areas of Communications, vol. 26, no. 1, pp. 146-155, Jan. 2008.
• Y. Thomas Hou and Yi Shi, "Variable bit rate flow routing in wireless sensor networks," IEEE Transactions on Wireless Communications, vol. 6, no. 6, pp. 2140-2148, June 2007.
• Y. Thomas Hou, Yi Shi, Hanif D. Sherali, and Jeffrey E. Wieselthier, "Multicast communications in ad hoc networks using directional antennas: A lifetime-centric approach," IEEE Transactions on Vehicular Technology, vol. 56, issue 3, pp.1333-1344, May 2007.
• Y. Thomas Hou, Yi Shi, Jianping Pan, and Scott F. Midkiff, "Maximizing the lifetime of wireless sensor networks through optimal single-session flow routing," IEEE Transactions on Mobile Computing, vol. 5, no. 9, pp. 1255-1266, Sep. 2006.
• Y. Thomas Hou, Yi Shi, and Hanif D. Sherali, "Optimal base station selection for anycast routing in wireless sensor networks," IEEE Transactions on Vehicular Technology, vol. 55, issue 3, pp. 813-821, May 2006.
• Yi Shi, Y. Thomas Hou, Hanif D. Sherali, and Scott F. Midkiff, "Optimal routing for UWB-based sensor networks," IEEE Journal on Selected Areas of Communications, vol. 24, no. 4, pp. 857-863, April 2006.
• Jianping Pan, Y. Thomas Hou, Lin Cai, Yi Shi, and Sherman X. Shen, "Serialized optimal relay schedules in two-tiered wireless sensor networks," Elsevier Computer Communications, vol. 29, no. 4, pp. 511-524, Feb. 2006.
• Y. Thomas Hou, Yi Shi, and Hanif D. Sherali, "On node lifetime problem for energy-constrained wireless sensor networks," ACM/Springer Mobile Networks and Applications, vol. 10, no. 6, pp. 865-878, Dec. 2005.
• Jianping Pan, Lin Cai, Y. Thomas Hou, Yi Shi, and Sherman X. Shen, "Optimal base-station locations in two-tiered wireless sensor networks," IEEE Transactions on Mobile Computing, vol. 4, no. 5, pp. 458-473, Sep./Oct. 2005.
• Y. Thomas Hou, Yi Shi, and Hanif D. Sherali, "On energy provisioning and relay node placement for wireless sensor networks," IEEE Transactions on Wireless Communications, vol. 4, no. 5, pp. 2579-2590, Sep. 2005.

Conference papers:

2009:

• Yi Shi, Y. Thomas Hou, and Sastry Kompella, "How to correctly use the protocol interference model for multi-hop wireless networks," in Proc. ACM Mobihoc, pp. 239-248, New Orleans, LA, May 18-21, 2009.
• Jia Liu, Y. Thomas Hou, Yi Shi, and Hanif D. Sherali, "On performance optimization for multi-carrier MIMO ad hoc networks," in Proc. ACM Mobihoc, pp. 43-54, New Orleans, LA, May 18-21, 2009.

2008:

• Yi Shi, Sushant Sharma, Y. Thomas Hou, and Sastry Kompella, "Optimal relay assignment for cooperative communications," in Proc. ACM Mobihoc, pp. 3-12, Hong Kong SAR, China, May 26-30, 2008.
• Yi Shi and Y. Thomas Hou, "Theoretical results on base station movement problem for sensor network," in Proc. IEEE Infocom, pp. 376-384, Phoenix, AZ, April 14-17, 2008. (Best Paper Award)
• Yi Shi and Y. Thomas Hou, "A distributed optimization algorithm for multi-hop cognitive radio networks," in Proc. IEEE Infocom, pp. 1966-1974, Phoenix, AZ, April 14-17, 2008.
• Yi Shi, Y. Thomas Hou, and Sastry Kompella, "A cross-layer approach to multi-hop networking with cognitive radios," in Proc. IEEE Military Communications Conference (Milcom), 7 pages, San Diego, CA, Nov. 17-19, 2008.

2007:

• Yi Shi and Y. Thomas Hou, "Optimal power control for multi-hop software defined radio networks," in Proc. IEEE Infocom, pp. 1694-1702, Anchorage, AL, May 6-12, 2007.
• Y. Thomas Hou, Yi Shi, and Hanif D. Sherali, "Optimal spectrum sharing for multi-hop software defined radio Networks," in Proc. IEEE Infocom, pp. 1-9, Anchorage, AL, May 6-12, 2007.
• Yi Shi and Y. Thomas Hou, "Network capacity of UWB-based sensor networks," in Proc. IEEE International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks (Qshine), 7 pages, Vancouver, British Columbia, Canada, Aug. 14-17, 2007.
• Yi Shi and Y. Thomas Hou, "Approximation algorithm for base station placement in wireless sensor networks," in Proc. IEEE Communications Society Conference on Sensor and Ad Hoc Communications and Networks (SECON), pp. 512-519, San Diego, CA, June 18-21, 2007.
• Jia Liu, Tae Yoon Park, Y. Thomas Hou, Yi Shi, and Hanif D. Sherali, "Cross-layer optimization of MIMO-based mesh networks under orthogonal channels," in Proc. IEEE Wireless Communications and Networking Conference (WCNC), pp. 49-54, Hong Kong, China, March 11-15, 2007.

2006:

• Jia Liu, Y. Thomas Hou, Yi Shi, and Hanif D. Sherali, "Optimization of multiuser MIMO networks with interference," in Proc. IEEE Global Telecommunications Conference (Globecom), 6 pages, San Franscisco, CA, Nov. 27-Dec. 1, 2006.
• Yi Shi, Y. Thomas Hou, Hanif D. Sherali, and Sastry Kompella, "Cross-layer optimization for UWB-based ad hoc networks," in Proc. IEEE Military Communications Conference (Milcom), 7 pages, Washington, DC, Oct. 23-25, 2006.
• Yi Shi, Y. Thomas Hou, and Alon Efrat, "Algorithm design for base station placement problems in sensor networks," in Proc. ACM International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks (Qshine), 11 pages, Waterloo, Ontario, Canada, Aug. 7-9, 2006.

2005:

• Yi Shi, Y. Thomas Hou, Hanif D. Sherali, and Scott F. Midkiff, "Cross-layer optimization for routing data traffic in UWB-based sensor networks," in Proc. ACM Mobicom, pp. 299-312, Cologne, Germany, Aug. 28-Sep. 2, 2005.
• Y. Thomas Hou, Yi Shi, Hanif D. Sherali, and Jeffrey E. Wieselthier, "Online lifetime-centric multicast routing for ad hoc networks with directional antennas," in Proc. IEEE Infocom, pp. 761-772, Miami, FL, March 13-17, 2005.
• Y. Thomas Hou, Yi Shi, Jianping Pan, Scott F. Midkiff, and Kazem Sohraby, "Single-beam flow routing for wireless sensor networks," in Proc. IEEE Global Telecommunications Conference (Globecom), pp. 3263-3268, St Louis, MO, Nov. 28-Dec. 2, 2005.
• Y. Thomas Hou, Yi Shi, Hanif D. Sherali, and Scott F. Midkiff, "Prolonging sensor network lifetime with energy provisioning and relay node placement," in Proc. IEEE Communications Society Conference on Sensor and Ad Hoc Communications and Networks (SECON), pp. 295-304, Santa Clara, CA, Sep. 26-29, 2005.
• Y. Thomas Hou, Yi Shi, and Hanif D. Sherali, "On base station selection for anycast flow routing in energy-constrained wireless sensor networks," in Proc. IEEE International Conference on Quality of Service in Heterogeneous Wired/Wireless Networks (Qshine), 9 pages, Orlando, FL, Aug. 22-24, 2005.
• Y. Thomas Hou, Yi Shi, Jeffrey H. Reed, and Kazem Sohraby, "Flow routing for variable bit rate source nodes in energy-constrained wireless sensor networks," in Proc. IEEE International Conference on Communications (ICC), pp. 3057-3062, Seoul, Korea, May 16-20, 2005.

2004:

• Y. Thomas Hou, Yi Shi, and Hanif D. Sherali, "Rate allocation in wireless sensor networks with network lifetime requirement," in Proc. ACM Mobihoc, pp. 67-77, Roppongi Hills, Tokyo, Japan, May 24-26, 2004.
• Y. Thomas Hou, Yi Shi, Jianping Pan, and Scott F. Midkiff, "Lifetime-optimal data routing in wireless sensor networks without flow splitting," in Workshop on Broadband Advanced Sensor Networks (held in conjunction with Broadnets 2004), 10 pages, San Jose, CA, Oct. 25, 2004.
• Y. Thomas Hou, Yi Shi, and Hanif D. Sherali, "On lexicographic max-min node lifetime for wireless sensor networks," in Proc. IEEE International Conference on Communications (ICC), pp. 3790-3796, Paris, France, June 20-24, 2004.

2003:

• Jianping Pan, Y. Thomas Hou, Lin Cai, Yi Shi, and Sherman X. Shen, "Topology control for wireless sensor networks," in Proc. ACM Mobicom, pp. 286-299, San Diego, CA, Sep. 14-19, 2003.
• Y. Thomas Hou, Yi Shi, and Jianping Pan, "A lifetime-aware single-session flow routing algorithm for energy-constrained wireless sensor networks," in Proc. IEEE Military Communications Conference (Milcom), pp. 603-608, Boston, MA, Oct. 13-16, 2003.
• Y. Thomas Hou, Yi Shi, Jianping Pan, and Scott F. Midkiff, "Optimal single-session flow routing for wireless sensor networks," in Proc. IEEE Vehicular Technology Conference (VTC), pp. 2855-2859, Orlando, FL, Oct. 6-9, 2003.
• Jianping Pan, Lin Cai, Y. Thomas Hou, Yi Shi, and Sherman X. Shen, "Locating base-stations for video sensor networks," in Proc. IEEE Vehicular Technology Conference (VTC), pp. 3000-3004, Orlando, FL, Oct. 6-9, 2003.