FuNLab Journal, Conference Publications and Books


Journal Publications
2014

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Hessar, Farzad; Roy, Sumit; "Resource Allocation Techniques for Cellular Networks in TV White Space Spectrum," New Frontiers in Dynamic Spectrum (DySPAN), 2014 IEEE Symposium on, 1-4 April 2014
2013

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Hessar, Farzad; Roy, Sumit; "Energy Based Performance Evaluation of Passive EPC Gen 2 Class 1 RFID Systems," Communications, IEEE Transactions on, vol.61, no.4, pp.1337,1348, April 2013

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Hessar, Farzad; Roy, Sumit; "Minimum energy source coding for asymmetric modulation with application to RFID", RFID (RFID), 2013 IEEE International Conference on, pp. 207 - 214, April 30 2013-May 2 2013

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Mutairi, Abdulmohsen; Roy, Sumit; "The Case for Random Access in OFDMA Femtocells." Wireless Communications, IEEE, vol.20, no.5, pp.89-99, October 2013

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H. Firooz, Z. Chen, S. Roy and H. Liu, “Wireless Network Coding via Modified 802.11 MAC/PHY: Design and Implementation on SDR,” IEEE J. Sel. Areas Commn. Spl. Issue on Theories and Methods for Advanced Wireless Relays, 2013 (to appear).

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Mutairi, Abdulmohsen; Roy, Sumit; Hwang, Ganguk; , "Delay Analysis of OFDMA-Aloha," Wireless Communications, IEEE Transactions on , vol.12, no.1, pp.89-99, January 2013
2012

 

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M. H. Firooz and S. Roy, “Collaborative Downloading in VANET using Network Coding,” Proc. 2012 IEEE Int. Conf. Communications, Jun. 2012, Ottawa, CA.

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C. Ghosh, H. Safavi-Naeini, S. Roy, K. Doppler and J. Stahl, “QP-CSMA-CA: A Modified CSMA-CA-based Cognitive Channel Access Mechanism with Testbed Implementation,” Proc. IEEE DySPAN, Seattle, WA, 2012.

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X. Li, H. Liu, S.Roy, J. Zhang, P. Zhang and C. Ghosh, “Throughput Analysis for a Multi-user, Multi-channel ALOHA Cognitive Radio System,” IEEE Trans. Wireless Commn., Nov. 2012, pp. 3900-3909.

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Y.Yang and S. Roy, “PMU Deployment for Optimal State Estimation Performance,” IEEE GlobeComm Workshop on Smart Grid Communications, Anaheim, CA, 2012.

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C. Ghosh, S. Roy and M. B. Rao, “Modeling and Validation of Channel Idleness & Spectrum Availability for Cognitive Networks,” IEEE J. Sel. Areas. Commn. - Cognitive Radio Series, Nov. 2012

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L. Bai and S. Roy, “Compressive Spectrum Sensing Using a Bandpass Sampling Architecture,” IEEE J. Emerging & Sel. Topics in Circuits and Syst., Spl. Issue on Compressive Sensing, Oct. 2012.

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X. Li, H. Liu, S.Roy, J. Zhang, P. Zhang and C. Ghosh, “Throughput Analysis for a Multi-user, Multi-channel ALOHA Cognitive Radio System,” IEEE Trans. Wireless Commn., Aug. 2012

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L. Y. Bai and S. Roy, “A Two-stage Approach for Network Monitoring,” J. Network and Systems Management, 2012 (accepted).

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C. S. Boyer and S. Roy, “Coded QAM Backscatter Modulation For RFID,” IEEE Trans. Commn., July 2012, pp. 1925-1934.

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L. Luo and S. Roy, “Efficient Spectrum Sensing for Cognitive Radio Networks via Joint Optimization of Sensing Threshold and Duration,” IEEE Trans Commn., July 2012.

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F. Ye, S. Roy and H. Wang, “Efficient Data Dissemination in Vehicular Ad Hoc Networks,” IEEE J. Sel. Areas Commn. Spl. Issue Broadband Wireless Commns. for High Speed Vehicles, May 2012, pp. 769-779.

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G. Hwang and S. Roy, “Design and Analysis of Optimal Random Access Policies in Cognitive Radio Networks,” IEEE Trans. Commn., Jan. 2012, pp. 121-131.


2011

download.png S. Roy, D. Nordell and S. S. Venkata, “Lines of Communication: Architecture and Solutions for Linking Elements of the Smart Distribution Grid,” IEEE Power & Energy Magazine, Sep-Oct. 2011.

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C. Ghosh, D. Cavalcanti, and S. Roy, “Coexistence Challenges for Heterogeneous Cognitive Wireless Networks in TV White Spaces,” IEEE Wireless Communications Magazine, Aug. 2011

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R. Chakraborty, S. Roy, and V. Jandhyala, “Revisiting RFID Link Budgets for Technology Scaling: Range Maximization of RFID Tags,” IEEE Trans. Microwave Theory & Tech., Feb. 2011, pp. 496-503.

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F. Ye, R. Yim, S. Roy, and J. Zhang, “Efficiency and Reliability of One-Hop Broadcasting in Vehicular Ad-Hoc Networks,” IEEE JSAC Spl. Issue on Vehicular Communications and Networks, Jan. 2011, pp. 151-160.

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L. Luo and S. Roy, “Modeling and Analysis of Detection Time Trade-offs for Channel Searching in Cognitive Radio Networks,” IET Communications, 2011.


2010

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B. M. Howe, Y. Chao, P. Arabshahi, S. Roy, T. McGinnis, and A. Gray, “A Smart Sensor Web for Ocean Observation: Fixed and Mobile Platforms, Integrated Acoustics, Satellites and Predictive Modeling,” IEEE J. Selected Topics in Applied Earth Observations and Remote Sensing, July 2010.

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I. Purushothaman and S. Roy, “FastScan - A handoff scheme for Voice over IEEE 802.11 WLANs,” Wireless Networks, Sep. 2010.

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S. Roy, V. Jandhyala, J. R. Smith, D. J. Wetherall, B. P. Otis, R. Chakraborty, M. Buettner, D. J. Yeager, Y. Ko, and A. P. Sample, “RFID: From Supply Chains to Sensor Nets,” Proceedings of the IEEE, Vol. 98, No. 9, pp. 1583-1592, Sep. 2010.

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F. Ye, S. Roy, and Z. Niu, “Flow Oriented Channel Assignment for Multi-Radio Wireless Mesh Networks,” EURASIP J. on Wireless Communication and Networking, vol. 10, 2010.



2009
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Y-C. Ko, S. Roy, C-H.Cho, H-W. Lee and H. K. Garg, “Multiple Feedback Algorithm for RFID MAC Protocols,” IEEE Comm. Letters, 2009.

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L. Luo, N. Neihart, S. Roy and D. J. Allstot, “A Two Stage Sensing Technique for Dynamic Spectrum Access,” IEEE Trans. Wireless Commn., vol. 8, Jun 2009, pp. 3028-3037.

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H. Ma, R. Vijaykumar, S. Roy and J. Zhu, “Optimizing 802.11 Wireless Mesh Networks Based on Physical Carrier Sensing,” IEEE/ACM Trans. Networking, 2009.



2008

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B. Liu, H. Li, H. Liu and S. Roy, “DPC-based Hierarchical Broadcasting: Design and Implementation,” IEEE Trans. Veh. Tech., Nov. 2008, pp. 3895-3900.

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H. Alazemi, A. K. Das, R. Vijayakumar and S. Roy, “Fixed Channel Assignment Algorithms for Multi-radio Multi-channel Mesh Networks,” Wiley J. Wireless Commun. and Mobile Comput., vol. 8, no. 6, Aug. 2008.

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N. Parrish, L. Tracy, S. Roy, P. Arabshahi and W. L. J. Fox, “System Design Considerations for Undersea Networks: Link and Multiple Access Protocols,” IEEE J. Sel. Areas Communications, Spl. Issue Underwater Wireless Communications and Networks, vol. 26, Dec. 2008, pp. 1720-1730.

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Y-C Ko, S. Roy, J. R. Smith, H-W Lee and C-H Cho, “RFID MAC Performance Evaluation Based on ISO/IEC 18000-6 Type C,” IEEE Commn. Letters, June 2008, pp. 426-428.

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H. Ma, J. Zhu, S. Roy and S-Y. Shin, “Joint Transmit Power and Physical Carrier Sensing Adaptation based on Loss Differentiation for High Density IEEE 802.11 WLAN,” Computer Networks, vol. 52, June 2008, pp. 1703-1720.



2007

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B. Jiang, J. R. Smith, M. Philipose, S. Roy, K. Sundara-Rajan and A. V. Mamishev, “Energy Scavenging for Inductively Coupled Passive RFID Systems,” IEEE Trans. Instrumentation & Measurement, Feb. 2007, pp. 118-125.

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H. Ma, S. Roy and J. Zhu, “On Loss Differentiation for CSMA-based Dense Wireless Network,” IEEE Communications Lett., Nov. 2007, pp. 877-879.

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R. Iyappan, A. Das and S. Roy, “Analysis of Contention Access Part of IEEE 802.15.4 MAC,” ACM Trans. Sensor Networks, vol. 3, Mar. 2007.



2006

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S. Jain, R. C. Shah, G. Borriello, W. Brunette and S. Roy, “Exploiting Mobility for Energy Efficient Data Collection in Sensor Networks,” ACM/Kluwer Mobile Networks and Applications, June 2006, pp. 327-339.

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J. Zhu, S. Roy and J. Kim, “Performance Modelling of TCP Enhancements in Terrestrial-Satellite Hybrid Networks,” IEEE Trans. Networking, vol. 14, Aug. 2006, pp. 753-766.

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I. Ramachandran and S. Roy, “On Acquisition of Ultra-Wideband Direct Sequence Spread-Spectrum Signals,”IEEE Trans. Wireless Commn., June 2006, pp. 1537-1546.



2005

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L. Shao and S. Roy, “Rate-1 Space-Frequency Block Codes with Maximum Diversity for MIMO-OFDM,” IEEE Trans. Wireless Communications, vol. 4. July 2005, pp. 1674-1687.

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J. Zhu and S. Roy, “An 802.11 Based Slotted Dual-Channel Reservation MAC Protocol for Multimedia Multi-Hop Networks,” ACM/Kluwer Mobile Networking & Appl. (MONET), Spl. Issue WLAN Optimization at MAC and Network Levels, 2005.

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H. Yan and S. Roy, “Parallel Interference Cancellation for Uplink Multirate Overlay CDMA Channels,” IEEE Trans. Communications, vol. 53, Jan. 2005, pp. 152-161.



2004

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J. Zhu, X. Guo, L. Yang, W. Steven Conner, S. Roy and M. Hazra, “Adapting Physical Carrier Sensing to Maximize Spatial Reuse in 802.11 MESH Networks,” Wiley J. Wireless Communications and Mobile Computing,, Spl. Issue on Emerging WLAN Applications and Technologies, vol. 4, no. 8, pp. 933-946, 2004.

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H. Mir and S. Roy, “Optimum Transmitter/Receiver Design for Narrowband Overlay in Non-coordinated Subscriber Lines,” IEEE Trans. Communications, vol. 52, June 2004, pp. 992-998.

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J. Zhu and S. Roy, “Improving Link Layer Performance on Satellite Channels with Shadowing with Delay Two-Copy ARQ,” IEEE J. Sel. Areas Commn., Spl. Issue on “Broadband IP Networks via Satellites,” vol. 22, Apr. 2004, pp. 472-481.

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S. Roy, J. R. Foerster, V. S. Somayazulu and D. G. Leeper, “Ultra Wideband Radio Design: The Promise of High-speed, Short-range Wireless Connectivity,”, Proc. IEEE Spl. Issue on Gigabit Wireless, Feb. 2004, pp. 295-311.



2003

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J. Zhu and S. Roy, “Media Access Control for Dedicated Short Range Communications in Intelligent Transportation Systems,” IEEE Communications Magazine, Dec. 2003, pp. 60-67.

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P. Smith, S. Roy and M. Shafi, “Capacity of MIMO Systems with Semicorrelated Flat Fading,” IEEE Trans. Inf. Theory, vol. 49, Oct. 2003, pp. 2781-2788.

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A. Abouzeid and S. Roy, “Stochastic Modeling of TCP in Networks with Abrupt Delay Variations,” Wireless Networks, vol. 9, Sep. 2003, pp. 509-524.

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R. C. Shah, S. Roy, S. Jain and W. Brunette, “Data Mules: Modelling a Three-tier Architecture for Sparse Sensor Networks,”, Elsevier AdHoc Networks J., Spl. Issue on Sensor Networks Applicns. & Protocols, vol. 1, Sept. 2003, pp. 215-233.

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A. Abouzeid, S. Roy and M. Azizoglu, “Comprehensive Performance Analysis for a TCP Session over a Wireless Fading Link with Queueing,” IEEE Trans. Wireless Commun., vol. 2, Mar. 2003, pp. 344-356.

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C.-Y. Li and S. Roy, “Subspace Based Blind Channel Estimation for OFDM by Exploiting Virtual Carriers,” IEEE Trans. Wireless Commn., Jan. 2003, pp. 141-150.



2002

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C.-Y. Li and S. Roy, “Subspace Based Blind Channel Estimation Method for OFDM Systems without Cyclic Prefix,” IEEE Trans. Wireless Commn., vol. 1, no. 4, Oct. 2002, pp. 572-579.

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S. Aramvith, C-W. Lin, S. Roy and M-T. Sun, “Wireless Video Transport Using Conditional Retransmission and Low-Delay Interleaving,” IEEE Trans. Circuits Syst. Video Tech., vol. 12, Jun. 2002, pp. 558-565.

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S. Roy and H. Yan, “Blind Channel Estimation in Multi-Rate CDMA Systems”, IEEE Trans. Commun., vol. 50, June 2002, pp. 995-1004.

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A.Abouzeid and S. Roy, “Modelling Random Early Detection in a Heterogeneous Differentiated Services Network,” Computer Networks, vol. 40, Nov. 2002, pp. 537-556.



2001

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C-Y. Li and S. Roy, “Performance of Frequency-Time MMSE Equalizer for MC-CDMA over Multipath Fading Channel,” Wireless Personal Communications, vol. 18, no. 2, 2001, pp. 179-192.



2000

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S. Roy, “Subspace Blind Adaptive Detection for Multi-User CDMA”, IEEE Trans. Comm., vol. 48, no. 1, Jan. 2000, pp. 169-175.



1999

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Y. Song and S. Roy, “Blind Adaptive Reduced-Rank Detection for DS-CDMA Signals in Multipath Channels,” J. Sel. Areas. Comm. Wireless Series, vol. 17, no. 11, Nov. 1999, pp. 1960-1970.



1998

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T.-J. Lim and S. Roy, “Adaptive Detectors for Multiuser CDMA”, Wireless Networks, vol. 4. no. 4, pp. 307-318, 1998.

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C. Schlegel, P. Alexander and S. Roy “Coded Asynchronous CDMA and Its Efficient Detection,” IEEE Trans. Info. Theory, vol. 44, no. 6 Nov. 1998, pp. 2837-2847.

 


 

Magazine Publications, Contributed Articles and Book Chapters
 

R. Vijaykumar, A. K. Das, S. Roy and H. Ma, “Multi-radio Multi-channel Mesh Networks,” in Wireless Mesh Networking: Architectures, Protocols and Standards, Auerbach Publications, 2007, pp. 49-78.

R. Iyappan and S. Roy, “Clear Channel Assessment in Energy-constrained Wideband Wireless Networks,” IEEE Wireless Commun. Magazine, June 2007, pp. 70-78.

J. R. Smith, M. Philipose, B. Jiang, K. Sundara-Rajan, S. Roy and A. Mamishev, “RFID Based Techniques for Human Activity Detection,” Communications of ACM, Sep. 2005.

M. Philipose, J. R. Smith, B. Jiang, A. Mamishev, S. Roy, K. Sundara-Rajan “Battery-free Wireless Idenfication and Sensing” IEEE Pervasive Computing Magazine, Spl. issue on Energy Harvesting and Conservation, Jan-Mar. 2005, pp. 37-45.

K. Fishkin, S. Roy and B. Jiang, “Some Methods for Privacy in RFID Communication,” in Security in Ad-hoc and Sensor Networks, Lecture Notes in Computer Science, Springer Verlag, vol. 3313, 2005.

S. Roy and R. Iyappan, “Channel Estimation for High-rate Ultra Wideband Systems,” in UWB Communication Systems: A Comprehensive Overview, ed. M-G. di Benedetto et al., EURASIP Book Series on Sig. Proc. & Communications, vol. 5 2006, pp. 118-142.

S. Roy and P. Zhang, “Importance Sampling,” in Encyclopaedia of Environmetrics,” Wiley, 2001.

S. Roy, D. S. Chen and S.-C. Mau, “Adaptive Multi-user Decorrelating Receivers for CDMA Systems,” in Wireless and Mobile Communications, ed. J. M. Holtzmann and D. J. Goodman, Kluwer Acad., Norwell, MA. pp. 67-82.

S. Roy, J. Yang and P. S. Kumar, “Joint Transmitter/Receiver Optimization for Multi-user Communications,” in Cyclostationarity in Communications and Signal Processing, ed. W. A. Gardner, IEEE Press, Dec. 1993, pp. 327-359.

 

 



Conference Publications
 

2013
  Mutairi, A.; Roy, S., "Exponential backoff in frequency-domain for random access in OFDMA femtocells," Wireless Communications and Networking Conference (WCNC), 2013 IEEE , vol., no., pp.464,469, 7-10 April 2013
2012
  C. Ghosh, H. Safavi-Naeini, S. Roy, K. Doppler and J. Stahl, “QP-CSMA-CA: A Modified CSMA-CA-based Cognitive Channel Access Mechanism with Testbed Implementation,” Proc. IEEE DySPAN, Seattle, WA, 2012.
  M. H. Firooz and S. Roy, “Collaborative Downloading in VANET using Network Coding,” Proc. 2012 IEEE Int. Conf. Communications, Jun. 2012, Ottawa, CA.

2011

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F. Ye, S. Roy, H. Wang, “Efficient Inter-Vehicle Data Dissemination,”To appear in 4th International Symposium on Wireless Vehicular Communications, San Francisco, Sep 2011


2010

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R. Yim, F. Ye, S. Roy and P. Orlik, “Effect of Transmission Parameters on Efficiency and Reliability of V2V Networks,”to appear in 17th Intelligent Transportation Systems World Congress, Busan, Korea, 2010.

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C. Ghosh, S. Roy, M. B. Rao, and D. P. Agrawal, “Spectrum Occupancy Validation and Modeling Using Real-time Measurements,” to appear in 2nd ACM SIGMOBILE Workshop on Cognitive Wireless Networking in conjunction with MobiCom 2010, Chicago, Illinois, Sept. 2010.

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F. Ye, R. Yim, J. Zhang and S. Roy, “Congestion Control to Achieve Optimal Broadcast Efficiency in VANETs,” Proc. of IEEE ICC, Cape Town, South Africa, 2010.

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L. Luo, C. Ghosh, and S. Roy, “Joint Optimization of Spectrum Sensing for Cognitive Radio Networks,” Proc. of IEEE Globecom, Miami, FL, Dec. 2010.

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M. H. Firooz, S. Roy, L. Bai, and C. Lydick, “Link Failure Monitoring via network Coding,” 5th IEEE LNC workshop on Network Measurements, Denver, CO, Oct. 2010.

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F. Ye, R. Yim, J. Guo, J. Zhang and S. Roy, “Prioritized Broadcast Contention Control in VANETs,” Proc. IEEE ICC, Cape Town, South Africa, 2010.

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M. H. Firooz and S.Roy, “Network Tomography via Compressed Sensing,” Proc. of IEEE Globecom, Miami, FL, Dec. 2010.


2009
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W. Shi and S. Roy, “Achieving Full Diversity by Selection in Arbitrary Multi-hop Amplify-and Forward Relay Networks,” Proc. of IEEE Globecom, Hawaii, 2009.

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L. Luo and S. Roy, “Analysis of Dynamic Spectrum Access with Heterogeneous Networks: Benefits of Channel Packing Scheme,” Proc. of IEEE Globecom, Hawaii, 2009.

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Y-C Ko, S. Roy, C-H Cho and H-W. Lee, “An Enhanced Multiple Feedback Algorithm for RFID MAC Protocols,” Proc. IEEE ICC, Dresden, Germany, 2009.

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L. Falconetti, C. Hoymann, R. Gupta,"Distributed Uplink Macro Diversity for Cooperating Base Stations", Proc. IEEE ICC'09 LTE Workshop, Dresden, Germany, June 2009.

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C. Hoymann, L. Falconetti, R. Gupta, "Distributed Uplink Signal Processing of Cooperating Base Stations based on IQ Sample Exchange", Proc. IEEE ICC'09, Dresden, Germany, June 2009.


2008

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F. Ye, M. Adams and S. Roy, “V2V Wireless Communication Protocol for Rear-end Collision Avoidance on Highways,” Vehi-Mobi Workshop, IEEE ICC, Beijing, May 2008.

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L. Tracy and S. Roy, “A Reservation MAC Protocol for Ad-Hoc Underwater Acoustic Sensor Networks,” Workshop on Underwater Networks (WUWNet) 2008, San Francisco, CA, Sep 15, 2008.

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K. C. Desouza, S. Roy, and Y. Lin, “Performance Measures for Edge Organizations: A Preliminary Report,” Proc. of the 13th International Command and Control Research and Technology Symposium (ICCRTS), Bellevue, WA June 2008.

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E. Alotaibi and S. Roy, “A Location Aware Routing Metric for Multi-hop, Multi-channel Wireless Mesh Networks,” Proc. IEEE WCNC, 2008.

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H. Ma and S. Roy, “Contention Window and Transmission Opportunity Adaptation for Dense IEEE 802.11 WLAN Based on Loss Differentiation,” Proc. IEEE ICC, Beijing, May 2008.

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L. Luo and S. Roy, “A Two-stage Sensing Technique for Dynamic Spectrum Access,” Proc. IEEE ICC, Beijing, May 2008.



2007

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J. Zhu, X. Guo, S. Roy and K. Papagiannaki, “CSMA Self-Adaptation Based on Interference Differentiation,” Proc. IEEE Globcomm, Washington D.C. Nov. 2007.

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A. Margolis, R. Vijaykumar and S. Roy, “Modelling Throughput and Starvation in 802.11 Wireless Networks with Multiple Flows,” Proc. IEEE Globcomm, Washington D.C., Nov. 2007.

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A. K. Das, S. Roy and A. Mahalanobis “Analysis of the Contention Access Phase of Reservation MAC Protocol for Wide Area Data Intensive Sensor Networks,” Proc. IEEE Globcomm, Washington D. C., Nov. 2007.

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W. Fox, P. Arabshahi, S. Roy and N. Parrish, “Underwater Acoustic Communications Performance Modelling in Support of Ad Hoc Network Design,” IEEE Oceans Conf., Vancouver, B.C., Sep. 2007.

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R. Gupta, T. Shing, S. Roy and J. Zhu, “Closed Loop RF Management Algorithm for Enterprise High Density WLANs,” Proc. IEEE Globcomm, Washington D.C., Nov. 2007.

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Y-C. Ko, S. Roy, J. R. Smith, H-W. Lee and C-H. Cho, “An Enhanced RFID Multiple Access Protocol for Fast Inventory,” Proc. IEEE Globcomm, Washington D.C., Nov. 2007.

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N. Neihart, S. Roy and D. A. Allstot, “A Parallel, Multi-resolution Sensing Technique for Multiple Antenna Cognitive Radios,” Proc. IEEE ISCAS, New Orleans, May 2007.

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H. Ma, S-Y. Shin and S. Roy, “Optimizing Throughput with Carrier Sensing Adaptation for IEEE 802.11 Mesh Networks Based on Loss Differentiation,” Proc. IEEE ICC, Glasgow, Scotland, June 2007.

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S.-Y. Shin, R. Iyappan, S. Roy and W. H. Kwon, “Cascaded Clear Channel Assessment: Enhanced Carrier Sensing for Cognitive Radios,” IEEE Cognet 2007 Workshop, Glasgow, Scotland, June 2007.

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L. Luo and S. Roy, “Analysis of Search Schemes in Cognitive Radio,” 2nd IEEE Workshop on Networking Technologies for Software Defined Radio Networks, San Diego, June 2007.

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N. Parrish, S. Roy, P. Arabshahi and W. Fox, “Rate-range for an FH-FSK Modem,” 2nd ACM Workshop on Underwater Networking, Montreal, CA, Sep. 2007.



2006

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J. R. Smith, A. P. Sample, P. S. Powledge, S. Roy and A. Mamishev, “A Wirelessly Powered Platform for Sensing and Computation,” 8th Int. Conference on Ubiquitous Computing, Orange Co., CA, Sep. 2006.

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E-S Hwang, Y-C Ko, C-H Cho, H-W Lee and S. Roy, “Open and Association MCTA Access and Allocation Scheme by Staggering Algorithm in IEEE 802.15.3,” 2006 Int. Conf. on Information Networking, Sendai, Japan, Jan. 2006.

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T. Henderson, S. Roy, S. Floyd and G. Riley, “ns-3 Project Goals,” Wkshp. on ns-2: the IP Simulator,” Pisa, Italy, Oct. 2006.

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R. Iyappan and S. Roy, “On the Impact of Clear Channel Assessment on MAC Performance,” Proc. IEEE Globecom, San Francisco, Nov. 2006.

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H. Ma and S. Roy, “Simple and Effective Carrier Sensing Adaptation for Multi Rate Ad-Hoc MESH Networks,” 1st Intl. Wkshp. Wireless Mesh Networks and Applicn., Vancouver, CA, Oct. 2006.

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A. K. Das, S. Roy and R. Vijaykumar, “Static Channel Assignment in Multi-radio Multi-channel 802.11 Wireless Mesh Networks: Issues, Metrics and Algorithms,” Proc. IEEE Globecom, San Francisco, Nov. 2006.

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S. Roy, P. Arabshahi, D. Rouseff and W. L. Fox, “Wide Area Ocean Networks: Architecture and System Design Considerations,” 1st ACM Wkshp. Underwater Networks, Los Angeles, CA, Sep. 2006.

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H. Ma, E. Alotaibi and S. Roy, “Analysis and Simulation Model of Physical Carrier Sensing in IEEE 802.11 Mesh Networks,” OPNETWORK 2006, Washington D.C, Aug. 2006.


2005


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B. Liu, H. Liu and S. Roy, “Structured Dirty Paper Coding with Known Interference Structure at Receiver,” Asilomar Conf. on Signals, Systems & Computers, Asilomar, CA, Nov. 2005.

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J. R. Smith, B. Jiang, S. Roy et al, “ID Modulation: Embedding Sensor Data in an RFID Timeseries,” Information Hiding Workshop, Barcelona, Spain 2005.

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B. Jiang, S. Roy et al “Energy Scavenging For Inductively Coupled Passive RFID System,” IEEE Instrumentation and Measurement Technology Conf., Ottawa, CA, May 2005, pp. 984-989.

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R. Iyappan and S. Roy, “Analysis of Throughput and Energy Efficiency of p-persistent CSMA with Imperfect Carrier Sensing,” IEEE Globcom Conf., St. Louis, MO, Nov. 2005.

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H. Ma, H. Alazemi and S. Roy, “A Stochastic Model for Optimizing Physical Carrier Sensing and Spatial Reuse in Wireless Ad Hoc Networks,” Mobile Ad-Hoc & Sensor Systems (MASS) 2005, Washington D.C., Nov. 2005.

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S. Roy, A. Das, R. Vijaykumar, H. Alazemi, E. Alotaibi and H. Ma, “Capacity Scaling with Multi-radio MESH,” IEEE Wireless MESH Network Workshop, Santa Clara, CA, Sep. 2005.

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A. Das, H. K. Alazemi, R. Vijaykumar and S. Roy, “Optimization Models for Fixed Channel Assignment in Wireless Mesh Networks with Multiple Radios,” IEEE SECON, Santa Clara, CA, Sep. 2005.

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I. Ramachandran and S. Roy, “Acquisition of Direct Sequence Ultra-Wideband Signals,” WCNC2005, New Orleans, Mar. 2005.

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L. Shao and S. Roy, “Downlink Multi-cell MIMO-OFDM: An Architecture for Next Generation Wireless Networks,” WCNC2005, New Orleans, Mar. 2005.

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J. Zhu and S. Roy, “802.11 Mesh Networks with Two Radio Access Points,” ICC 2005, May 2005, Seoul, Korea.



2004

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K. Fishkin, S. Roy and B. Jiang, “Some Methods for Privacy in RFID Communication,” 1st European Workshop on Security in Ad-Hoc and Sensor Networks, Heidelberg, Germany, Aug. 2004 (invited)

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K. Fishkin, B. Jiang, S. Roy, “I Sense a Disturbance in the Force: Unobtrusive Detection of Interactions with RFID-tagged Objects,” Ubicomp, Nottingham, England, Sep. 2004.

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L. Shao, S. Sandhu, S. Roy and M. Ho, “High Rate Space Frequency Block Code Designs for MIMO-OFDM,” IEEE ICC, Paris, France, 2004.



2003

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L. Shao, S. Roy and S. Sandhu, “Rate-One Space Frequency Block Codes with Maximum Diversity Gain for MIMO-OFDM,” IEEE Globecom, San Fransisco, CA 2003.

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J. Zhu and S. Roy, “Enhancing TCP Splitting in Satellite-Terrestrial Networks via ACK Reservation,” IEEE Globecom, San Fransisco, CA, 2003.

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J. R. Foerster, V. S. Somayazulu and S. Roy, “A Multi-banded System Architecture for Ultra-wideband Communications,” IEEE Milcom 2003, Boston, MA.

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X. Guo, S. Roy and W. Steven Conner, “Spatial Reuse in Wireless Ad-Hoc Networks,”2003 IEEE Fall VTC, Orlando, FL (invited).

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R. C. Shah, S. Roy, S. Jain and W. Brunette, “Data MULEs: Modeling a Three-Tier Architecture for Sparse Sensor Networks,” ICC2003, Anchorage, AL.

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Lei Shao; Sumit Roy; Sandhu, S; Ho, M, Rate-one Space-Frequency Block-codes with Maximum Diversity Gain for MIMO-OFDM, Globecom 2003, Dec 2003, San Francisco, CA.

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J. Zhu and S. Roy, “Improving TCP Performance in TDMA-based Satellite Access Networks,” ICC2003, Anchorage, AL.

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J. Zhu and S. Roy, “Modeling TCP Over Selective Repeat ARQ in Wireless Networks with Non-Negligible Propagation Delay,” ICC2003, Anchorage, AL.

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J. Zhu and S. Roy, “Satellite Link Layer Performance using Two-Copy ARQ and It’s Impact on TCP Traffic,” 2003 Int. Conf. Information Networks, Jeju, Korea, Feb. 2003.


2002


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M. Ho, V. S. Somayazulu, J. Foerster and S. Roy, “A Differential Detector for Ultra-Wideband Communications System,” IEEE Spring VTC., Montogomery, AL, 2002, pp. 1896-1900.

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J. Zhu and S. Roy, “An Adaptive Two-Copy Delayed SR-ARQ for Satellite Channels with Shadowing,” IEEE Fall VTC Conf., Vancouver, BC, Sep. 2002, pp. 849-853.

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V. S. Somayazulu, J. Foerster and S. Roy, “Design Challenges for High Data Rate UWB Systems,” 2002 Asilomar Conf., Nov. 2002.

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L. Shao and S. Roy, “A Rate-1 Non-Orthogonal Space-Time Coded OFDM System with Estimation for Frequency Selective Channels,” 2002 IEEE Globecomm, Taipei, Taiwan, Nov. 2002, pp. 676-680.

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C.-Y. Li, M. Pun and S. Roy, “Low Complexity Blind Frequency-Offset Estimator for OFDM Systems over ISI Channels,” 2002 IEEE Globecom, Taipei, Taiwan, Nov. 2002, pp. 249-253.

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J. Zhu and S. Roy, “Performance of Land Mobile Satellite Communications Channel with Hybrid FEC/ARQ,” 2002 IEEE Globecom, Taipei, Taiwan, Nov. 2002, pp. 2851-2854.



2001

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H. Yan and S. Roy, “FIR Channel Identification in Multirate Communication Systems with a Subspace Method,” 2001 IEEE Int. Conf. Acoust. Speech Signal Proc., Salt Lake City, UT, May 2001, vol. 4, pp. 2097-2100.

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C.-Y. Li and S. Roy, “Subspace Based Blind Channel Estimation for OFDM by Exploiting Virtual Carriers,” IEEE Globecom 2001, San Antonio, TX, Nov. 2001.

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C.-Y. Li and S. Roy, “Subspace Blind Channel Estimation Method for OFDM Systems without Cyclic Prefix,” IEEE Fall Veh. Tech. Conf. , Atlantic City, NJ, Oct. 2001, pp. 2148-2152.

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M. Albuquerque, J. H. Kim and S. Roy, “Effect of Packet Size on TCP-Reno Performance over Lossy, Congested Links,” IEEE Mil. Commn. Conference, Oct. 2001, pp. 705-710.

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A. Abouzeid and S. Roy, “TCP in Networks with Abrupt Delay Variations and Random Loss,” IEEE Mil. Commn. Conference, Oct. 2001, pp. 726-730.

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H. Yan and S. Roy, “A Frequency Domain Method for Channel Estimation in Multirate Communication Systems,” 2001 IEEE Int. Conf. Acoust. Speech Signal Proc., Salt Lake City, UT, May 2001, vol. 4, pp. 2057-2060.

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S. Aramvith, C-W. Lin, S. Roy and M-T. Sun, “Wireless Video Transport Using Conditional Retransmission and Low-Delay Interleaving,” IEEE Int. Symp. on Circ. & Syst., May 2001, vol. 5, pp. 101-104.



2000

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C.-Y. Li and S. Roy, “Subspace Based Detection in MC-CDMA over Dispersive Channel,” 2000 IEEE Int. Conf. Personal Wireless Commn., Hyderabad, India, Dec. 2000, pp. 98-103.

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A. Abouzeid and S. Roy, “Analytical Understanding of RED Gateways with Multiple Competing TCP Flows,” Globecom 2000 Global Internet Mini-Symposium, San Fransisco, CA, Nov. 2000, vol. 1, pp. 555-560.

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H. Yan and S. Roy, “Blind Channel Identification for Multirate CDMA Systems,” IEEE 2000 Int. Conf. on Acoust. Speech Sig. Proc., Istanbul, Turkey, June 2000, vol. 5, pp. 2509-2512.

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A. Abouzeid, M. Azizoglu and S. Roy, “Stochastic Modeling of a Single TCP/IP Session over a Channel with Random Packet Loss,”Proc. DIMACS Workshop on Mobile Networks & Computing ed. P. Pardalos et al, American Math. Society vol. 52, pp. 1-18, 2000.

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A. Abouzeid, S. Roy and M. Azizoglu, “Stochastic Modeling of TCP over Lossy Links,” Proc. INFOCOM 2000, Tel Aviv, ISRAEL, March 2000, vol. 3, pp. 1724-1733.



1999

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S. Roy and H-Y. Wang, “Performance of CDMA Slotted Aloha Multiple Access with Multiuser Detection,” IEEE Wireless Communications and Networking Conference, New Orleans, Sep. 1999, vol. 2, pp. 839-843.

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W-H. (Jonas) Chen, J-N. Hwang and S. Roy, “Ordered Statistics Decoding of Linear Block Codes on WSSUS Multipath Channel,” IEEE Pacific Rim Conf. on Commn., Computers and Sig. Proc., Victoria, B.C. 1999, pp. 412-415.

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E. Aldama, C. Vargas-Rosales and S. Roy, “Outage Effects on TCP-Wireless Integration for Data/Voice Services in CDMA Systems,” IEEE Veh. Tech. Conference, Houston, TX, May 1999, vol. 2, pp. 1717-1721.