Publication List

Preprints

Publications by Year

Publications by Topic

A Few Selected Publications

Preprints

• UPDATE: User-Profile-Driven Adaptive Transfer, [pdf]
  Yichuan Wang and Xin Liu.
  
• Spectrum Mobility Games,
  Richard Southwell, Jianwei Huang, and Xin Liu.
  
• Geographic Trough Filling for Internet Datacenters. [pdf]
  Dan Xu and Xin liu.
  

Publications by Year

[2011]

• Opportunistic Spectrum Access in Multiple Primary User Environments Under the Packet Collision Constraint [pdf]
  Eric Jung and Xin Liu
  IEEE/ACM Transactions on Networking, to appear.
  
• Traffic-Tracing Gateway (TTG) [pdf]
  Haiping Liu, Xiaoling Qiu, Dipak Ghosal, Chen-Nee Chuah, Xin Liu, and Yueyue Fan
  IEEE Infocom 2011.
  
• Toward Region- and Action-Aware Second Life Clients: A Parameterized Second Life Traffic Model [pdf]
  Yichuan Wang, Cheng-Hsin Hsu, Jatinder Pal Singh, and Xin Liu
  2011 IEEE International Conference on Multimedia & Expo, Barcelona, Spain, July. 11-15, 2011.
  
• Network Traces of Virtual Worlds: Measurements and Applications [pdf]
  Y. Wang, C. Hsu, J. Singh, and X. Liu
  ACM Multimedia Systems (MMSys11), San Jose, CA, February 2011.
  
• Minimizing Energy Cost for Internet-Scale Datacenters with Dynamic Traffic [pdf]
  Dan Xu, Xin Liu, and Bin Fan
  IWQoS 2011, poster.
  
• Delay Performance of Threshold Policies for Dynamic Spectrum Access [pdf]
  Rong-Rong Chen, and Xin Liu
  IEEE Transactions on Wireless Communications, Vol. 10, No. 7.
• Towards Dynamic Energy-Efficient Operation of Cellular Network Infrastructure [pdf]
  Eunsung Oh, Bhaskar Krishnamachari, Xin Liu, and Zhisheng Niu
  IEEE communications magazine, Vol. 49, No. 6.
• Integration Gain of Heterogeneous WiFi/WiMAX networks [pdf]
  Wei Wang and Xin Liu and John Vicente and Prasant Mohapatra
  IEEE Transactions on Mobile Computing, vol. 10, no. 8, p. 1131-1143, 2011.
• Improved Spectrum Access Control of Cognitive Radios based on Primary ARQ Signals [pdf]
  Fabio Lapiccirella and Z. Ding and X. Liu
  IET Communications, 2011.

[2010]

• Markov Decision Process (MDP) Framework for Software Power Optimization using Call Profiles on Mobile Phones [pdf]
  Eric Jung, Frank Maker, Tang Lung Cheung, Xin Liu, and Venkatesh Akella.
  This is a more general version of EMSOFT 2009 paper with multiple applications and heuristic policies, invited for fast track submission to Design Automation for Embedded Systems.
• User-Profile-Driven Collaborative Bandwidth Sharing on Mobile Phones [pdf]
  Eric Jung, Yichuan Wang, Iuri Prilepov, Frank Maker, Xin Liu, and Venkatesh Akella
  ACM MobileCloud 2010, in conjunction with ACM Mobisys, June 15-18th, 2010, San Francisco, CA, USA.
• A Two-Tier Market for Decentralized Dynamic Spectrum Access in Cognitive Radio Networks [pdf]
  Dan Xu, Xin Liu, and Zhu Han
  IEEE Communications Society Conference on Sensor and Ad Hoc Communications and Networks (SECON), Boston, MA, June 21-25, 2010.
• Decentralized Cognitive Radio Control based on Inference from Primary Link Control Information [pdf]
  Senhua Huang, Xin Liu, and Zhi Ding.
  JSAC special issue on Cognitive Radio: Theory and Applications.
  A more general version of Infocom 2010 paper with convergence proof.
• Distributed Power Control for Cognitive User Access based on Primary Link Control Feedback [pdf]
  Senhua Huang, Xin Liu, and Zhi Ding.
  Infocom 2010.
• Co-existing with CSMA-based Reactive Primary Users [pdf]
  Rong-rong Chen and Xin Liu.
  IEEE Symposia on New Frontiers in Dynamic Spectrum Access Networks (DySPAN) 2010.
• Channel Selection in Multi-channel Cognitive Radio Networks with Perfect Sensing [pdf]
  Xin Liu, Bhaskar Krishnamachari, and Hua Liu.
  IEEE Symposia on New Frontiers in Dynamic Spectrum Access Networks (DySPAN) 2010.
• TODA: Truthful Online Double Auction for Spectrum Allocation in Wireless Networks [pdf]
  ShiGuang Wang, Ping Xu, XiaoHua Xu, Shao-Jie Tang, Xiang-Yang Li, and Xin Liu.
  IEEE Symposia on New Frontiers in Dynamic Spectrum Access Networks (DySPAN) 2010.
• Cognitive Spectrum Access Control Based on Intrinsic Primary ARQ Information [pdf]
  Fabio E. Lapiccirella, Zhi Ding, and Xin Liu.
  ICC 2010.
• Distributed secondary spectrum access based on primary user feedback [abstract]
  Fabio E. Lapiccirella, Zhi Ding and Xin Liu
  Information Theory and Application Workshop, UCSD, Feb., 2010.

[2009]

• Feedback-based access and power control for distributed multiuser cognitive networks. [pdf]
  Fabio E. Lapiccirella, Senhua Huang, Xin Liu, and Zhi Ding.
  Information Theory and Applications Workshop, 2009.
• Optimal Sensing-Transmission Structure for Dynamic Spectrum Access. [pdf]
  Senhua Huang, Xin Liu, and Zhi Ding.
  IEEE Infocom 2009.
• Markov Decision Process (MDP) Framework for Optimizing Software on Mobile Phones [pdf]
  Tang Lung Cheung, Kari Okamoto, Frank Maker, Xin Liu, and Venkatesh Akella, the International Conference on Embedded Software, Oct. 12-16, Grenoble, France. (33/106). Candidate for Best Paper Award.
• Robust Routing and Scheduling in Wireless Mesh Networks Under Dynamic Traffic Conditions [pdf]
  Wei Wang, Xin Liu, Dilip Krishnaswamy
  IEEE Transactions on Mobile Computing, vol. 8, No. 12, Dec. 2009.
• Optimization of Transmission Strategies for Opportunistic Access in Cognitive Radio Networks. [pdf]
  Senhua Huang, Xin Liu, and Zhi Ding.
  A more general version of our Infocom 2008 paper. IEEE Transactions on Mobile Computing, vol. 8, No. 12, Dec. 2009.

[2008]

• Opportunistic Spectrum Access in Cognitive Radio Networks: When to Turn off the Spectrum Sensors [pdf]
  Dan Xu, and Xin Liu
  The Fourth International Wireless Internet Conference (WiCON), 2008 (invited).
• Optimal Bandwidth Selection in Multi-Channel Cognitive Radio Networks: How Much is Too Much? [pdf]
  Dan Xu, Eric Jung, and Xin Liu.
  IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN) 2008, Chicago, IL.
• Opportunistic Spectrum Access in Heterogeneous User Environments. [pdf] A more general version is [here]
  Eric Jung and Xin Liu.
  IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN) 2008, Chicago, IL.
• Short Paper: On Optimal Sensing and Transmission Strategies for Dynamic Spectrum Access [pdf]
  Senhua Huang, Xin Liu, and Zhi Ding.
  Short Paper and Poster Presentation, IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN) 2008, Chicago, IL.
• Heterogeneous Wireless Access in Large Mesh Networks [pdf]
  Haiping Liu, Xin Liu, Chen-nee Chuah, and Prasant Mohapatra.
  Fifth IEEE International Conference on Mobile Ad-hoc and Sensor Systems (MASS), Atlanta, GA, Sept. 29-Oct. 2, 2008.
• Opportunistic spectrum access in cognitive radio networks [pdf]
  S. Huang, X. Liu, and Z. Ding
  IEEE INFOCOM 2008 , Phoenix, Arizona.
  A more general version is at here.
• Exploiting Opportunistic Scheduling in Cellular Data Networks [pdf]
  Radmilo Racic, Denys Ma, Hao Chen, and Xin Liu.
  Proceedings of the 15th Annual Network and Distributed System Security Symposium (NDSS 2008), San Diego, CA, February 10-13, 2008.
• Per User Throughput in Large Wireless Networks [pdf]
  D. Xu and X. Liu.
  IEEE Communications Society Conference on Sensor and Ad Hoc Communications and Networks (SECON), San Francisco, CA, June 16-20, 2008.
• Asymptotic uniform data-rate guarantees in large wireless networks [pdf]
  X. Liu and R. Skrikant.
  Ad Hoc Networks, Vol. 6, no. 3., pp. 325-343, May 2008. (Journal version of IEEE SECON 2004 paper)
• Channel Assignment and Link Scheduling in Multi-radio Multi-channel Wireless Mesh Networks
  H. Yu, P. Mohapatra, and Xin Liu.
  Mobile Networks and Applications, Springer, April, 2008.

[2007]

• Non-Intrusive Cognitive Radio Networks based on Smart Antenna Technology . [pdf]
  S. Huang, Z. Ding, X. Liu.
  IEEE Globecom, Washington, DC, Nov. 26-30, 2007.
• The multicast capacity of ad hoc networks. [pdf]
  Srinivas Shakkottai, X. Liu and R. Srikant.
  ACM Mobihoc, 2007.
• ESCAPE: A Channel Evacuation Protocol for Spectrum-Agile Networks. [pdf]
  Xin Liu and Zhi Ding.
  IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN), Dublin, Ireland, Apr. 17- 20, 2007.
• Characterization of Spectrum Activities in the U.S. Public Safety Band for Opportunistic Spectrum Access [pdf]
  Steven D. Jones, Eric Jung, Xin Liu, Naim Merheb, and I-Jeng Wang.
  IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN), Dublin, Ireland, Apr. 17-20, 2007.
• Dynamic Channel Assignment and Link Scheduling in Multi-Radio Multi-Channel Wireless Mesh Networks. [pdf]
  Hua Yu, P. Mohapatra, and Xin Liu.
  The 4th Annual International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services, (ACM Mobiquitous 2007), August 6-10, 2007 - Philadelphia, PA.
• Robust Routing and Scheduling in Wireless Mesh Networks. [pdf]
  W. Wang, X. Liu, and D. Krishnaswamy.
  IEEE SECON 2007, San Diego, CA, 2007.
• Energy Efficient Throughput optimization in multi-hop wireless networks. [pdf]
  Dan Xu and Xin Liu.
  IFIP Networking 2007, Atlanta, GA, May 14-18, 2007.
• Scheduling Multiple Partially Overlapped Channels in Wireless Mesh Network. [pdf]
  H. Liu, H. Yu, X. Liu, C. Chuah, and P. Mohapatra.
  IEEE ICC, Glasgow, June 24-28, 2007.
• Priority Collision Resolution Distributed Coordination Function for Wireless Network. [pdf]
  X. Ye, X. Liu. Z. Ding, and S. J. B. Yoo.
  IEEE Globecom, Washington, DC, Nov. 26-30, 2007.
• Combs, Needles, Haystacks: Balancing Push and Pull for Discovery in Large-Scale Sensor Networks [pdf]
  X. Liu, Qingfeng Huang, and Ying Zhang.
  IEEE Transactions on Mobile Computer, vol. 6, no. 3, March 2007. Earlier version published at ACM Sensys 2004.
• On the Deployment of Wireless Data-back-haul networks [pdf]
  X. Liu and P. Mohapatra.
  IEEE Transactions on Wireless Networks, vol. 5, no. 4, April 2007. (Earlier version appeared at SenMetrics workshop.
• Delay Sensitive Scheduling Schemes with Short-Term Fairness for Heterogeneous QoS over Wireless Network. [pdf]
  Zhu Han, Xin Liu, Z.Jane Wang, and K. J. Ray Liu.
  IEEE Transactions on Wireless Communication, vol.6, no.2, p.p. 423-428 February, 2007.

[2006]

• Sensing-based opportunistic channel access. [pdf]
  X. Liu and S. Shankar.
  ACM Journal on Mobile Networks and Applications (MONET), Volume 11, Number 1, February 2006, p. 577-591.
• A Framework for Maximum Capacity in Multi-channel Multi-radio Wireless Networks. [pdf]
  Wei Wang and Xin Liu.
  IEEE Consumer Communications and Networking Conference, Las Vegas, NV, Jan, 2006, (invited).
  
• Coverage with Connectivity in wireless sensor networks.
  X. Liu.
  Third IEEE/CreateNet International Workshop on Broadband Advanced Sensor Networks (Basenet 2006) , in conjunction with BroadNets, San Jose, CA, Oct. 1, 2006, (invited).

[2005]

• On the Characteristics of Spectrum-Agile Communication Networks [pdf]
  X. Liu and W. Wang.
  IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN), Baltimore, MD, Nov. 8-11, 2005.
• Exploring Opportunistic Spectrum Availability in Wireless Communication Networks [pdf]
  W. Wang, X. Liu, and Hong Xiao.
  IEEE VTC Fall 2005, Dallas, TX, September 25-28, 2005.
• On the deployment of wireless sensor networks [pdf]
  X. Liu and P. Mohapatra.
  the Third International Workshop on Measurement, Modeling, and Performance Analysis of Wireless Sensor Networks (SenMetrics), in conjunction with the Second Annual International Conference on Mobile and Ubiquitous Systems: Networking and Services, (MobiQuitous), San Diago, CA, July 17-21, 2005.
• Determining the Peer Contributions in a P2P Contract
  B. Korashadi, X. Liu, and D. Ghosal.
  Hot-P2P, in conjunction with the Second Annual International Conference on Mobile and Ubiquitous Systems: Networking and Services, (MobiQuitous), San Diago, CA, July 17-21, 2005.

[2004]

• Combs, Needles, Haystacks: Balancing Push and Pull for Discovery in Large-Scale Sensor Networks [pdf] [ppt] [abs] [bib]
  X. Liu, Qingfeng Huang, and Ying Zhang.
  ACM Sensys 2004, November 3-5, 2004, Baltimore, MD.
• An Information-Theoretic View of Connectivity in Wireless Sensor Networks [pdf] [ppt] [abs] [bib]
  X. Liu and R. Srikant.
  the first IEEE Communications Society Conference on Sensor and Ad Hoc Communications and Networks (SECON), Santa Clara, CA, Oct. 4-7, 2004.
• Energy-aware Node Placement in Wireless Sensor Networks [pdf]
  Peng Cheng, Chen-Nee Chuah, and Xin Liu.
  IEEE Globecom, Dallas, TX, Nov. 29-Dec. 3, 2004.
• The Timing Capacity of Single-server Queues with Multiple Flows [pdf]
  X. Liu and R. Srikant.
  DIMACS Series in Discrete Mathematics and Theoretical Computer Science, P. Gupta, G. Kramer and A. van Wijngaarden (Eds.), 2004.

[2003 and before]

• Increasing timing capacity using packet coloring [pdf]
  X. Liu and R. Srikant.
  Proceeding of the 37th annual conference on Information Sciences and Systems, Baltimore, Maryland, March, 2003.
• Optimal Opportunistic Scheduling in Wireless Networks [pdf]
  X. Liu, E. Chong, and N. Shroff.
  in Proceedings of VTC Fall 2003 (invited).
• A Framework for Opportunistic Scheduling in Wireless Networks [pdf]
  X. Liu, E. Chong, and N. Shroff.
  Computer Networks Journal (Elsevier), vol. 41, no. 4, p. 451-474, 2003. Best paper award in 2003.
• Opportunistic Transmission Scheduling with Resource-Sharing Constraints in Wireless Networks [pdf]
  X. Liu, E. Chong, and N. Shroff.
  IEEE Journal on Selected Areas in Communications, vol. 19, no. 10, pp. 2053-2064, October, 2001.
• Optimal Transmission Scheduling [pdf]
  E. Chong, X. Liu, and N. Shroff.
  presented at the 17th IEEE Annual Computer Communications Workshop (CCW 2002), Santa Fe, New Mexico, October 13-16, 2002 (Invited paper).
• Joint Scheduling and Power-Allocation for Interference Management in Wireless Networks [pdf]
  X. Liu, E. Chong, and N. Shroff.
  Proceedings of the VTC Fall 2002, 2002.
• Transmission Scheduling for Efficient Wireless Resource Utilization with Minimum-Utility Guarantees [pdf]
  X. Liu, E. Chong, and N. Shroff.
  Proceedings of the IEEE VTC Fall 2001, Atlantic City, October, 2001.
• Transmission Scheduling for Efficient Wireless Utilization [pdf]
  X. Liu, E. Chong, and N. Shroff.
  Proceedings of the 2001 IEEE INFOCOM, Alaska, April 2001, pp. 776-785.
• Efficient Network Utilization for Multimedia Wireless Networks [pdf]
  X. Liu, E. Chong, and N. Shroff.
  IFIP-TC6/European Commission NETWORKING 2000 International Workshop, MWCN 2000 Paris, France, pp. 108-123.
• A Novel Scheme to Provide QoS in Packet-switched Wireless Networks
  X. Liu, E. Chong, and N. Shroff.
  Technical Report, Purdue University.
• Opportunistic Scheduling in Wireless Communication Networks [pdf]
  Xin Liu.
  Ph.D. Thesis, Purdue University, 2002.