Publications:

2007

• Y. Yuan, P. Bahl, R. Chandra, T. Moscibroda, Y. Wu, Allocating Dynamic Time-Spectrum Blocks for Cognitive Radio Networks, ACM MobiHoc 2007, Montreal, Canada (September 2007) (pdf, 379 Kbytes)
• P Bahl, R. Chandra, A. Greenberg, S. Kandula, D. A. Maltz, M. Zhang, Towards Highly Reliable Enterprise Network Services Via Inference of Multi-level Dependencies, ACM SIGCOMM 2007, Kyoto, Japan (August 2007) (pdf, 581 Kbytes)
• Y. Agarwal, R. Chandra, A. Wolman, P. Bahl, K. Chin, Wireless Wakeups Revisited- Energy Management for VoIP over Wi-Fi SmartPhones, ACM/USENIX MobiSys 2007, Puerto Rico, San Juan, (June 2007) (pdf, 427 Kbytes)
• S. Narlanka, R. Chandra, P. Bahl, I. Ferrell, A Hardware Platform for Utilizing TV Bands With a Wi-Fi Radio, IEEE LANMAN 2007, Princeton, New Jersey (June 2007) (pdf, 400 Kbytes)
• Y. Yuan, P. Bahl, R. Chandra, P. A. Chou, I. Ferrell, T. Moscibroda, S. Narlanka, Y. Wu, Kognitiv Networking Over White Spaces, IEEE DySPAN 2007, Dublin, Ireland (April 2007) (pdf, 902 Kbytes)
• V. Brik, A. Mishra, S. Banerjee, P. Bahl, Towards an Architecture for Efficient Spectrum Slicing, HotMobile 2007, Tucson, Arizona, (February 2007) (pdf, 644 Kbytes)
• P. Bahl, M.T. Hajiaghayi, K. Jain, V. Mirrokni, L. Qiu, A. Seberi, Cell Breathing in Wireless LANs: Algorithms and Evaluation, IEEE Transactions on Mobile Computing, Volume 6, Issue 2, Page(s):164 - 178 (February 2007) (pdf, 1,693 Kbytes)

2006

• P. Bahl, P. Barham, R. Black, R. Chandra, M. Goldszmidt, R. Isaacs, S. Kandula, L. Li, J. MacCormick, D. A. Maltz, R. Mortier, M. Wawrzoniak, M. Zhang, Discovering Dependencies for Network Management, HotNets-V (November 2006) (pdf, 92 Kbytes)
• L. Qiu, P. Bahl, A. Rao, L. Zhou, Troubleshooting Wireless Mesh Networks Computer Communications Review (October 2006) (pdf, 883 Kbytes)
• J. Eriksson, S. Agarwal, P. Bahl, J. Padhye, Feasibility Study of Mesh Networks for All-Wireless Offices ACM/USENIX MobiSys, Upsalla, Sweden (June 2006) (pdf, 883 Kbytes)
• P. Bahl, R. Chandra, J. Padhye, L. Ravindranath, M. Singh, A. Wolman, B. Zill, Enhancing the Security of Corporate Wi-Fi Networks Using DAIR, ACM/USENIX MobiSys, Upsalla, Sweden (June 2006) (pdf, 299 Kbytes)

2005

• P. Bahl, J. Padhye, L. Ravindranath, M. Singh, A. Wolman, B. Zill, DAIR: A Framework for Troubleshooting Enterprise Wireless Networks Using Desktop Infrastructure, ACM HotNets-IV, College Park, Maryland, USA (November 2005) (pdf, 64 Kbytes)
• V. Brik, E. Rozner, S. Banerjee, P. Bahl, DSAP: A Protocol for Coordinated Spectrum Access, IEEE Dynamic Spectrum Access Networks (DySPAN), Baltimore, Maryland, USA (November 2005) (pdf, 146 Kbytes)
• P. Kyasanur, J. Padhye, P. Bahl, On the Efficacy of Separating Control and Data into Different Frequency Bands, IEEE Conference on Broadband Networks 2005 , Boston, Massachusetts, USA (October 2005) (pdf, 120 Kbytes)
• L. Li, J. Y. Halpern, P. Bahl, Y-M. Wang, R. Wattenhofer, A Cone-Based Distributed Topology-Control Algorithm for Wireless Multi-Hop Networks, IEEE/ACM Transactions on Networking (February 2005) (pdf, 508 Kbytes)
• A. Balachandran, G. M. Voelker, P. Bahl, Wireless Hotspots: Current Challenges and Future Directions, Mobile Networks and Applications Journal, Springer Science Publishers, pp. 265-274, 2005 (pdf, 762 Kbytes)
• N. Vaidya, A. Dugar, S. Gupta, P. Bahl, Distributed Fair Scheduling in a Wireless LAN, IEEE Transactions on Mobile Computing Volume 4, Issue 6, Page(s):616 - 629 (December 2005) (pdf, 717 Kbytes)

2004

• A. Adya, P. Bahl, L. Qiu, Characterizing Web Workload for Mobile Clients, Book Chapter in Content Networking in the Mobile Internet John Wiley & Sons. ISBN 0-471-46618-2, 2004
• P. Bahl, A. Adya, J. Padhye, A. Wolman, Reconsidering Wireless Systems with Multiple Radios, ACM SIGCOMM Computer Communications Review (CCR), Volume 34, Number 5 (October 2004) (pdf, 456 Kbytes)
• A. Adya, P. Bahl, J. Padhye, A. Wolman, L. Zhou, A Multi-Radio Unification Protocol for IEEE 802.11 Wireless Networks, IEEE Conference on Broadband Networks 2004, San Jose, California, USA (October 2004) (pdf, 245 Kbytes)i
• P. Bahl, R. Chandra, J. Dunagan, SSCH: Slotted Seeded Channel Hopping for Capacity Improvement in IEEE 802.11 Ad-Hoc Wireless Networks, Proceedings of ACM MobiCom, Philadelphia, PA, (September 2004) (pdf, 280 Kbytes)
• A. Adya, P. Bahl, R. Chandra, L. Qiu, Architecture and Techniques for Diagnosing Faults in IEEE 802.11 Infrastructure Networks, Proceedings of ACM MobiCom 2004, Philadelphia, PA, USA (September 2004) (pdf, 259 Kbytes)
• R. Chandra, P. Bahl, P. Bahl, MultiNet: Connecting to Multiple IEEE 802.11 Networks Using a Single Wireless Card, Proceedings of IEEE INFOCOM 2004, Hong Kong (March 2004) (pdf, 324 Kbytes)

2002

• E. Shih, P. Bahl, M. Sinclair, Wake on Wireless: An Event Driven Energy Saving Strategy for Battery Operated Devices, Proceedings of ACM MobiCom 2002, Atlanta, GA (September 2002) (pdf, 1,024 Kbytes)
• A. Balachandran, P. Bahl, G. Voelker, Hot-Spot Congestion Relief and Service Guarantees in Public-Area Wireless Networks, Proceedings of WMCSA 2002, Callicoon, New York (June 2002) (pdf, 281 Kbytes)
• A. Balachandran, G. Voelker, P. Bahl, V. Rangan, Characterizing User Behavior and Network Performance in a Public Wireless LAN, Proceedings of ACM SIGMETRICS 2002, Marina Del Rey, California (June 2002) (pdf, 591 Kbytes)
• A. Adya, P. Bahl, L. Qiu, Characterizing and Analyzing Alert and Browse Services of Mobile Clients, Proceedings of 2002 USENIX Annual Technical Conference, Monterey, California, (June 2002) (pdf, 311 Kbytes)
• L. Qiu, P. Bahl, A. Adya, The Effect of Wireless First-Hop Bandwidth Allocation on End-to-End Network Performance, Proceedings of NOSSDAV 2002, Miami Beach, Florida (May 2002) (pdf, 366 Kbytes)
• P. Bahl, A. Balachandran, A. Miu, W. Russell, G. Voelker Y.M. Wang, PAWNs: Satisfying the Need for Ubiquitous Connectivity and Location Services, IEEE Personal Communications Magazine (PCS), Vol. 9, No. 1 (February 2002) (pdf, 338 Kbytes)

2001

• A. Adya, P. Bahl, L. Qiu, Understanding the Browse Patterns of Mobile Clients, Proceedings of the SIGCOMM Internet Measurement Workshop (IMW 2001), San Francisco, California, (November 2001) (pdf, 95 Kbytes)
• A. Dugar, N. H. Vaidya, P. Bahl, Priority and Fair Scheduling in a Wireless LAN, Proceedings of IEEE Conference on Military Communications (MILCOM 2001), McLean, VA (October, 2001)
• L Li, J. Y. Halpern, P. Bahl, Yi-Min Wang, R. Wattenhofer, Analysis of a Cone-Based Topology Control Algorithm for Wireless Multi-Hop Networks, Proceedings of the ACM Symposium on Principles of Distributed Computing (PODC 2001), Newport, Rhode Island (August 2001) (pdf, 416 Kbytes)
• G. Holland, N. H. Vaidya, P. Bahl, A Rate-Adaptive MAC Protocol for Multi-Hop Wireless Networks, Proceedings of ACM International Conference on Mobile Computing and Networking (MobiCom 2001), Rome, Italy, USA (July 2001) (pdf, 332 Kbytes)
• Yi-Min Wang, P. Bahl, W. Russell, The SIMBA User Alert Service Architecture for Dependable Alert Delivery, Proceedings of the International Conference on Dependable Systems and Networks, Goteborg, Sweden (July 2001) (pdf, 192 Kbytes)
• P. Bahl, A. Balachandran, S. Venkatchary, Secure Wireless Internet Access in Public Places, Proceedings of the IEEE Conference on Communications, Helsinki, Finland (June 2001) (pdf, 82 Kbytes)
• R. Wattenhofer, L. Li, P. Bahl, Yi-Min Wang, Distributed Topology Control for Wireless Multihop Ad-hoc Networks, Proceedings of IEEE INFOCOM 2001, Fairbanks, Alaska, USA (April 2001) (pdf, 253 Kbytes)
• A. Miu P. Bahl, Dynamic Host Configuration for Managing Mobility between Public and Private Networks, in The 3rd Usenix Internet Technical Symposium, San Francisco, California, USA (March 2001) (pdf, 156 Kbytes)

2000

• J. Lansford P. Bahl, The Design and Implementation of HomeRF: A Radio-Frequency Wireless Networking Standard for the Connected Home, The Proceedings of the IEEE (October 2000): 1662-1676 (pdf, 542 Kbytes)
• N. H. Vaidya, P. Bahl, S. Gupta, Distributed Fair Scheduling in a Wireless LAN, Proceedings of ACM International Conference on Mobile Computing and Networking (MobiCom 2000), Boston, Massachusetts, USA (August 2000) (pdf, 247 Kbytes)
• P. Bahl V. N. Padmanabhan, RADAR: An In-Building RF-Based User Location and Tracking System, Proceedings of IEEE INFOCOM 2000, Vol. 2, Tel-Aviv, Israel (March 2000): 775-784 (pdf, 147 Kbytes)
• P. Bahl, V. N. Padmanabhan, A. Balachandran Enhancements to the RADAR User Location and Tracking System, Microsoft Research Technical Report: MSR-TR-00-12 (February 2000) (pdf, 209 Kbytes)
• P. Bahl, A Report on the IEEE Wireless Standards Activities, Mobile Computing and Communications Review, Vol. 4, No. 1 (January 2000)

1999

• N. H. Vaidya and P. Bahl, Fair Scheduling in Broadcast Environment, Microsoft Research Technical Report: MSR-TR-99-62 (August 1999) (pdf, 178 Kbytes)
• P. Bahl, Networking the Home - Wireless Technologies and Protocols, The 36^th Design Automation Conference, New Orleans, Louisiana, USA (June 1999)

1998

• P. Bahl, ARMAP - An Energy Conserving Protocol for Wireless Multimedia Communications, Proceedings of the IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, Boston, Massachusetts, USA (September 1998): 575-580 (pdf, 48.3 Kbytes)
• T. Liu, P. Bahl, and I. Chlamtac, Mobility Modeling, Location Tracking, and Trajectory Prediction in Wireless ATM Networks, Proceedings of the IEEE Journal on Special Areas in Communications, Special Issue on Wireless Access Broadband Networks, Vol. 16, No. 6, (August 1998):922-936 (pdf, 449 Kbytes)
• J. Redi and P. Bahl, Mobile IP: A Solution for Transparent Seamless Mobile Computer Communications, Fuji-Keizai's Report on Upcoming Trends in Mobile Computing and Communications, (July 1998) (Invited article) (pdf, 147 Kbytes)
• P. Bahl and B. Girod, Wireless Video, IEEE Communications Magazine, Vol.: 36 Issue: 6, (June 1998):92-93 (pdf, 395 Kbytes)
• P. Bahl, Supporting Digital Video in a Managed Wireless Network, IEEE Communications Magazine, Special Issue on Wireless Video, Vol. 36, Issue 6, (June 1998):94-102 (pdf, 134 Kbytes)
• P. Bahl, I. Chlamtac, and A. Farago, Resource Assignment For Integrated Services in Wireless ATM Networks, in the International Journal of Communication Systems, Special issue on Personal Communication Systems, John Wiley, (April 1998):29-41 (Invited Paper) (pdf, 162 Kbytes)

1997

• T. Liu, P. Bahl, and I. Chlamtac, A Hierarchical Position-Prediction Algorithm for Efficient Management of Resources in Cellular Networks, in the Proceedings of the IEEE GLOBECOM '97, Phoenix, Arizona, USA (November 1997): 982-986 (pdf, 474 Kbytes)
• P. Bahl, T. Liu and I. Chlamtac, Aggressive Handoff Management in Third Generation Integrated Cellular Networks, in the Proceedings of Broadband Networking Technologies, SPIE's International Symposium on VOICE, VIDEO, & DATA COMMUNICATIONS, Dallas, (November 1997)
• P. Bahl and W. Liu, Adaptive Region Based, Multi-Scale, Motion Compensated Video Coding for Error Prone Communication Channels, in the Proceedings of Multimedia Networks and Applications, SPIE's International Symposium on VOICE, VIDEO, & DATA COMMUNICATIONS, Dallas, (November 1997)
• T. Liu, P. Bahl, and I. Chlamtac, An Optimal Self-Learning Estimator for Predicting Inter-Cell User Trajectory in Wireless Radio Networks, in the Proceedings of the IEEE International Conference on Universal Personal Communications , San Diego, California, USA (October 1997): 438-442 (pdf, 246 Kbytes)
• P. Bahl and I. Chlamtac, H.263 Based Video Codec for Real-Time Visual Communications Over Wireless Radio Networks, in the Proceedings of the IEEE International Conference on Universal Personal Communications, San Diego, California, USA (October 1997): 773-779 (pdf, 88.9 Kbytes)
• P. Bahl, I. Chlamtac and A. Farago, Optimizing Resource Utilization in Wireless Multimedia Networks, in the Proceeding of the IEEE Conference on Computer Communications '97, Montreal, Canada (June 1997) (pdf, 71.1 Kbytes)
• P. Bahl, Real Time Visual Communications over Narrowband Wireless Networks, Ph.D. Thesis, University of Massachusetts, Amherst, MA, (Spring 1997)

Before 1997

• P. Bahl, Bandwidth Allocation in Wireless Networks for Multiresolution VBR Video Traffic, Proceedings of the Eleventh Annual IEEE Computer Computer Communications Workshop, Reston, Virginia, USA (September 1996)
• P. Bahl, Strategies for Transmission of Compressed Video Over Error-Prone Radio Channels, Proceedings of the Third International Workshop on Mobile Multimedia Communications, Princeton, New Jersey, USA, (September 1996)
• P. Bahl, P. Gauthier, R. Ulichney, Software-Only Compression, Rendering, and Playback of Digital Video, Digital Technical Journal, Vol. 7, No. 4, (March 1996): 20-30 (pdf, 485 Kbytes)
• P. Bahl, The J300 Family of Audio and Video Adapters -- Software Architecture, Digital Technical Journal, Vol. 7, No. 4, (March 1996): 40-50 (pdf, 337 Kbytes)
• P. Bahl, Influence of Available Bandwidth on the Statistical Characterization of Compressed Video, University of Massachusetts, Electrical & Computer Systems Engineering Department Technical Report, TR-96-CSE-7 (February 1996) (pdf, 472 Kbytes)
• I. Chlamtac, P. Bahl, J Llinas, and A. Herman, A Scaleable All-Optical Network for Data Fusion, U.S. Dept. of Defense Focused Research Initiative Technical Report (September 1994)
• A. Kundu, P. Bahl, and Y. Yang, Recognition of Handwritten Word: First and Second Order Hidden Markov Model Based Approach, Journal of the Pattern Recognition Society, Pergamon Press, Vol. 22, No. 3, (1989): 283-297
• A. Kundu and P. Bahl, Recognition of Conic Shapes: A Non-Linear Iterative Approach , in the IEEE 9th International Conference on Pattern Recognition , Vol. 2, (1988): 795-797 (pdf, 213 Kbytes)
• P. Bahl, Recognition of Handwritten Script: A Hidden Mark Model Based Approach, Proceedings of the IEEE International
• Conference on Acoustics, Speech and Signal Processing (ICASSP '88), (1988): 928-931
• A. Kundu and P. Bahl, Recognition of Handwritten Word: First and Second Order Hidden Markov Model Based Approach, Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition (ICVPR '88), (1988): 457-462
• P. Bahl, Recognition of Handwritten Script: A Hidden Markov Model Approach, M.S. Thesis, State University of New York, Buffalo, NY, 1987
  

TECHNICAL REPORTS (Some are under submission)

• L. Qiu, P. Bahl, A. Rao, and L. Zhou, Fault Detection, Isolation, and Diagnosis in Multi-hop Wireless Networks
  Microsoft Technical Report, Microsoft Research-TR-2004-11, December 2003 (pdf, 320 Kbytes)
• P. Bahl, P. Bahl, and R. Chandra, MultiNet: Enabling Simultaneous Connections to Multiple Wireless Networks Using a Single Radio, Microsoft Technical Report, MSR-TR-2003-46, June 2003 (pdf, 440 Kbytes)
• A. Adya, P. Bahl, J. Padhye, A. Wolman, and L. Zhou, A Multi-Radio Unification Protocol for IEEE 802.11 Wireless Networks, Microsoft Technical Report, MSR-TR-2003-41, June 2003 (pdf, 376 Kbytes)
• P. Bahl, A. Adya, J. Padhye, and A. Wolman, Reconsidering the Wireless LAN Platform with Multiple Radios, Microsoft Technical Report, MSR-TR-2003-45, June 2003 (pdf, 500 Kbytes)
• P. Bahl, and A. Hassan, Draft Proposal for Comment: Etiquette Rules and Procedures for Unlicensed Bands, Proposal to the Industry and the FCC, January 27, 2003
• E. Shih, P. Bahl and M. Sinclair, Wake On Wireless - An Event Driven Approach for Conserving Energy Consumption in Battery Operated Devices, Microsoft Research Technical Report MSR-TR-2002-40 (April 2002)
• A. Adya, and P. Bahl, Analysis and Characterization of Browse and Alert Services for Mobile Clients Using a Popular Web Server, Microsoft Research Technical Report MSR-TR-2001-55 (January 2001)
• Yi-Min Wang, P. Bahl, and W. Russell, The SIMBA User Alert Service Architecture for Dependable Alert Delivery, Microsoft Research Technical Report MSR-TR-2000-117 (December 2000)
• A. Miu, and P. Bahl, The CHOICE Network - Dynamic Host Configuration for Managing Mobility between Public and Private Networks, Microsoft Research Technical Report: MSR-TR-2000-85 (August 2000)
• G. Holland, N. Vaidya, and P. Bahl, A Rate-Adaptive MAC Protocol for Wireless Networks, Texas A&M University, Computer Science Dept. Technical Report: 00-019 (August 2000)
• P. Bahl, S. Venkatchary, and A. Balachandran, The CHOICE Network - Broadband Wireless Internet Access in Public Spaces, Microsoft Research Technical Report: MSR-TR-2000-21. (February 2000)
• P. Bahl and V. N. Padmanabhan, User Location and Tracking in an In-Building Radio Network, Microsoft Research Technical Report: MSR-TR-99-12 (February 1999) (pdf, 153 Kbytes)
• P. Bahl, A Novel Approach to Bandwidth Partitioning in Wireless ATM Networks, University of Massachusetts, Electrical & Computer Systems Engineering Department Technical Report, TR-96-CSE-10 (1996)

STUDY GROUP REPORTS

• NSF Report, P2P MANETs - New Research Issues, April 20 2005, (pdf, 331 Kbytes
• NSF Report, Residential Broadband Revisited: Research Challenges in Residential Networks, Broadband Access and Applications, October 2003
• NSF Report, Network Research Testbed, October 17, 2002, (pdf, 321 Kbytes)