Cognitive Radio for Opportunistic Spectrum Access

1. K. Liu and Q. Zhao
   
"Indexability of Restless Bandit Problems and Optimality of Whittle's Index for Dynamic Multichannel Access" pdf file
submitted to IEEE Transactions on Information Theory, November, 2008.
Also available at arXiv.org.
 
2. W. Ren, Q. Zhao, and A. Swami
   
"Power Control in Cognitive Radio Networks: How to Cross a Multi-Lane Highway" pdf file
submitted to IEEE Journal on Selected Areas in Communications (JSAC): Special Issue on Stochastic Geometry and Random Graphs for Wireless Networks, August, 2008.
Also available at arXiv.org.
 
3. Y. Chen, Q. Zhao, and A. Swami
   
"Distributed Spectrum Sensing and Access in Cognitive Radio Networks with Energy Constraint" pdf file
in IEEE Transactions on Signal Processing, vol. 57, no. 2, pp. 783-797, February, 2009.
 
4. Q. Zhao, B. Krishnamachari, and K. Liu
   
"On Myopic Sensing for Multi-Channel Opportunistic Access: Structure, Optimality, and Performance" pdf file
in IEEE Transactions on Wireless Communications, vol. 7, no. 12, pp. 5431-5440, December, 2008. Also available at arXiv.org.
 
5. Q. Zhao and K. Liu
   
"Detecting, Tracking, and Exploiting Spectrum Opportunities in Unslotted Primary Systems'' pdf file
in Proc. of IEEE Radio and Wireless Symposium (RWS), January, 2008.
 
6. Q. Zhao, W. Ren, and A. Swami
   
"Spectrum Opportunity Detection: How Good Is Listen-Before-Talk?'' pdf file
in Proc. of IEEE Asilomar Conference on Signals, Systems, and Computers, November, 2007 (invited).
 
7. Y. Chen, Q. Zhao, and A. Swami
   
"Joint Design and Separation Principle for Opportunistic Spectrum Access in the Presence of Sensing Errors" pdf file
in IEEE Transactions on Information Theory, vol. 54, no. 5, pp. 2053-2071, May, 2008. Also available at arXiv.org.
 
8. Q. Zhao and A. Swami
   
"A Decision-Theoretic Framework for Opportunistic Spectrum Access" pdf file
in IEEE Wireless Communications Magazine: Special Issue on Cognitive Wireless Networks, vol. 14, no. 4, pp. 14-20, August, 2007.
 
9. Q. Zhao and B.M. Sadler
   
"A Survey of Dynamic Spectrum Access" pdf file
in IEEE Signal Processing Magazine, vol. 55, no. 5, pp. 2294-2309, May, 2007. Also available at arXiv.org.
 
10. Q. Zhao, L. Tong, A. Swami, and Y. Chen
    
"Decentralized Cognitive MAC for Opportunistic Spectrum Access in Ad Hoc Networks: A POMDP Framework" pdf file
in IEEE Journal on Selected Areas in Communications (JSAC): Special Issue on Adaptive, Spectrum Agile and Cognitive Wireles Networks , vol. 25, no. 3, pp. 589-600, April, 2007.
 

Wireless Sensor Networks

1. Y. Chen and Q. Zhao
   
"An Integrated Approach to Energy-Aware Medium Access for Wireless Sensor Networks" pdf file
in IEEE Transactions on Signal Processing, vol. 55, no. 7, pp. 3429-3444, July, 2007.
 
2. Y. Chen, C. Chuan, and Q. Zhao
   
"Network Configuration for Optimal Utilization Efficiency of Wireless Sensor Networks" pdf file
in Elsevier Journal on Ad Hoc Networks, vol. 6, no. 1, pp. 92-107, January, 2008.
 
3. Y. Chen, Q. Zhao, V. Krishnamurthy, and D. Djonin
   
"Transmission Scheduling for Optimizing Sensor Network Lifetime: A Stochastic Shortest Path Approach" pdf file
in IEEE Transactions on Signal Processing, vol. 55, no. 5, pp. 2294-2309, May, 2007.
 
4. Q. Zhao, A. Swami, and L. Tong
   
"The Interplay between Signal Processing and Networking in Sensor Networks" pdf file
in IEEE Signal Processing Magazine: Special Issue on Distributed Signal Processing in Sensor Networks, vol. 23, no. 4, pp. 84-93, July, 2006.
 
5. Y. Chen, Q. Zhao, V. Krishnamurthy, and D. Djonin
   
"Transmission Scheduling for Sensor Network Lifetime Maximization: A Shortest Path Bandit Formulation," pdf file
in Proc. of IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), May, 2006 ( Student Paper Contest Award ).
 
6. Y. Chen and Q. Zhao
   
"On the Lifetime of Wireless Sensor Networks" pdf file
in IEEE Communications Letters, vol. 9, no. 11, pp. 976 - 978, November, 2005.
 

Multiaccess and Mobile Ad Hoc Networks

1. Q. Zhao, L. Tong, and D. Counsil
   
"Energy-Aware Adaptive Routing for Large-Scale Ad Hoc Networks: Protocol and Performance Analysis" pdf file
in IEEE Transactions on Mobile Computing, vol. 6, no. 9, pp. 1048-1059, September, 2007.
 
2. Q. Zhao and L. Tong
   
"Energy Efficiency of Large-Scale Wireless Networks: Proactive vs. Reactive Networking" pdf file
in IEEE Journal on Selected Areas in Communications (JSAC): Special Issue on Advances in Military Wireless Communications, vol. 23, pp. 1100-1112, May, 2005.
 
3. Q. Zhao and L. Tong
   
"A Dynamic Queue Protocol for Multiaccess Wireless Networks with Multipacket Reception," pdf file
in IEEE Transactions on Wireless Communications, vol. 3, no. 6, pp. 2221-2231, November, 2004.
 
4. Q. Zhao and L. Tong
   
"A Multi-Queue Service Room MAC Protocol for Wireless Networks with Multipacket Reception," pdf file, Typo Correction
in IEEE/ACM Transactions on Networking, vol. 11, no. 1, pp. 125-137, February, 2003.
 

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