Papers

Book Chapters

• Yi Shi, Y. Thomas Hou, and Hanif D. Sherali, "On throughput maximization problem for UWB-based sensor networks via reformulation-linearization technique," in The Handbook of Optimization in Complex Networks: Theory and Applications, edited by My T. Thai and Panos Pardalos, Springer Publisher, 2011.
• 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, Elsevier Inc., 2009.
• 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, 2009.

Journal papers

• Liguang Xie, Yi Shi, Y. Thomas Hou, and Hanif D. Sherali, "Making sensor networks immortal: An energy-renewal approach with wireless power transfer," to appear in IEEE/ACM Transactions on Networking.
• Yi Shi and Y. Thomas Hou, "Some fundamental results on base station movement problem for wireless sensor networks," to appear in IEEE/ACM Transactions on Networking.
• Sushant Sharma, Yi Shi, Y. Thomas Hou, Hanif D. Sherali, Sastry Kompella, and Scott F. Midkiff, "Joint flow routing and relay node assignment in cooperative multi-hop networks," to appear in IEEE Journal on Selected Areas in Communications.
• Sushant Sharma, Yi Shi, Jiu Liu, Y. Thomas Hou, Sastry Kompella, and Scott F. Midkiff, "Network coding in cooperative communications: Friend or foe?" to appear in IEEE Transactions on Mobile Computing.
• Cunhao Gao, Yi Shi, Y. Thomas Hou, and Sastry Kompella, "On the throughput of MIMO-empowered multi-hop cognitive radio networks," to appear in IEEE Transactions on Mobile Computing.
• Yi Shi, Y. Thomas Hou, Sastry Kompella, and Hanif D. Sherali, "Maximizing capacity in multi-hop cognitive radio networks under the SINR model," IEEE Transactions on Mobile Computing, vol. 10, no. 7, pp. 954-967, July 2011.
• Sushant Sharma, Yi Shi, Y. Thomas Hou, and Sastry Kompella, "An optimal algorithm for relay node assignment in cooperative ad hoc networks," IEEE/ACM Transactions on Networking, vol. 19, issue 3, pp. 879-892, June 2011.
• Canming Jiang, Yi Shi, and Y. Thomas Hou, "On the asymptotic capacity of multi-hop MIMO ad hoc networks," IEEE Transactions on Wireless Communications, vol. 10, issue 4, pp. 1032-1037, April 2011.
• Cunhao Gao, Yi Shi, Y. Thomas Hou, Hanif D. Sherali, and Huaibei Zhou, "Multicast communications in multi-hop cognitive radio networks," IEEE Journal on Selected Areas in Communications, vol. 29, issue 4, pp. 784-793, April 2011.
• Yi Shi, Y. Thomas Hou, Huaibei Zhou, and Scott F. Midkiff, "Distributed cross-layer optimization for cognitive radio networks," IEEE Transactions on Vehicular Technology, vol. 59, issue 8, pp. 4058-4069, October 2010.
• Yi Shi and Y. Thomas Hou, "Optimal base station placement in wireless sensor networks," ACM Transactions on Sensor Networks, vol. 5, issue 4, article 32, November 2009.
• Yi Shi, Y. Thomas Hou, and Huaibei Zhou, "Per-node based optimal power control for multi-hop cognitive radio networks," IEEE Transactions on Wireless Communications, vol. 8, no. 10, pp. 5290-5299, October 2009.
• 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, January 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, October 2008.
• Jia Liu, Y. Thomas Hou, Yi Shi, and Hanif D. Sherali, "Cross-layer optimization for MIMO-based wireless ad hoc networks: Routing, power allocation, and bandwidth allocation," IEEE Journal on Selected Areas in Communications, vol. 26, no. 6, pp. 913-926, August 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, February 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, January 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, September 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, February 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, December 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, September/October 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, September 2005.

Conference papers:

2012:

• Canming Jiang, Yi Shi, Y. Thomas Hou, Wenjing Lou, Sastry Kompella, and Scott F. Midkiff, "Toward simple criteria to establish capacity scaling laws for wireless networks," to appear in Proc. IEEE INFOCOM, Orlando, FL, March 25-30, 2012.
• Canming Jiang, Yi Shi, Y. Thomas Hou, Wenjing Lou, Sastry Kompella, and Scott F. Midkiff, "Squeezing the most out of interference: An optimization framework for joint interference exploitation and avoidance," to appear in Proc. IEEE INFOCOM, Orlando, FL, March 25-30, 2012.
• Canming Jiang, Yi Shi, Y. Thomas Hou, and Wenjing Lou, "Cherish every joule: Maximizing throughput with an eye on networkwide energy consumption," to appear in Proc. IEEE INFOCOM, Orlando, FL, March 25-30, 2012.

2011:

• Sushant Sharma, Yi Shi, Y. Thomas Hou, Sastry Kompella, and Scott F. Midkiff, "Optimal grouping and matching for network-coded cooperative communications," in Proc. IEEE Military Communications Conference (MILCOM), pp. 722-728, Baltimore, MD, November 7-10, 2011.
• Yi Shi, Canming Jiang, Y. Thomas Hou, and Sastry Kompella, "On capacity scaling law of cognitive radio ad hoc networks (Invited Paper)," in Proc. IEEE International Conference on Computer Communication Networks (ICCCN), 8 pages, Maui, HI, July 31-August 4, 2011.
• Sushant Sharma, Yi Shi, Y. Thomas Hou, and Sastry Kompella, "Achievable rate analysis in network-coded cooperative communications with multiple relay nodes," in Proc. IEEE International Conference on Communications (ICC), 5 pages, Kyoto, Japan, June 5-9, 2011.
• Yi Shi, Jia Liu, Canming Jiang, Cunhao Gao, and Y. Thomas Hou, "An optimal link layer model for multi-hop MIMO networks," in Proc. IEEE INFOCOM, pp. 1916-1924, Shanghai, China, April 10-15, 2011. (The only Best Paper Award Runner-Up)
• Yi Shi, Liguang Xie, Y. Thomas Hou, and Hanif D. Sherali, "On renewable sensor networks with wireless energy transfer," in Proc. IEEE INFOCOM, pp. 1350-1358, Shanghai, China, April 10-15, 2011.
• Canming Jiang, Yi Shi, Y. Thomas Hou, and Sastry Kompella, "On optimal throughput-energy curve for multi-hop wireless networks," in Proc. IEEE INFOCOM, pp. 1341-1349, Shanghai, China, April 10-15, 2011.
• Sushant Sharma, Yi Shi, Y. Thomas Hou, Hanif D. Sherali, and Sastry Kompella, "Optimizing network-coded cooperative communications via joint session grouping and relay node selection," in Proc. IEEE INFOCOM, pp. 1898-1906, Shanghai, China, April 10-15, 2011.

2010:

• Sushant Sharma, Yi Shi, Jia Liu, Y. Thomas Hou, and Sastry Kompella, "Is network coding always good for cooperative communications?" in Proc. IEEE INFOCOM, 9 pages, San Diego, CA, March 15-19, 2010.
• Sushant Sharma, Yi Shi, Y. Thomas Hou, Hanif D. Sherali, and Sastry Kompella, "Cooperative communications in multi-hop wireless networks: Joint flow routing and relay node assignment," in Proc. IEEE INFOCOM, 9 pages, San Diego, CA, March 15-19, 2010.
• Lei Shi, Jiang-Hong Han, Yi Shi, and Zhen-Chun Wei, "Cross-layer optimization for wireless sensor network with multi-packet reception," in Proc. ICST CHINACOM, 5 pages, Beijing, China, August 25-27, 2010.

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.

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, November 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, August 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, November 27-December 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, October 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, August 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, August 28-September 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, November 28-December 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, September 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, August 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, October 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, September 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, October 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, October 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, October 6-9, 2003.