Wireless Networks Lab

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Wireless Networks Lab (WNL)

Current research work focuses on evolving broadband wireless technologies in the areas of WiMAX, Wi-Fi as well as LTE. Recent major areas of work include device power management, media independent handover (MIH), seamless interoperability between WiFi and WiMAX, and scheduling schemes in WiMAX. This Lab was funded from Jan. 2007- June 2009 by Motorola India Research Labs[1]. At present two students are working in this Lab. and they receive fellowship/scholarship from Microsoft Research [2] and Infosys [3]. Dr. Debabrata Das[4] is Principal Investigator of the research activities undertaken in this Lab. This Lab has already produced one PhD and four Masters research theses over last three years.

People

Faculty 

     . Dr. Debabrata Das[5]


PhD Students 

     . Ritesh Kumar Kalle[6]      Sponsored by Microsoft Research India
     . Balakrishnan K [7]    
     . Goutam Dutta      [8]      Presently at Texas Instruments


M.Tech Thesis Students

M.S by Research Students 

     . Bivas Bhattacharya [9]
     . Amar Kumar Nandan    [10]
     . Dibakar Das    [11] 
        Presently at Broadcom

Past Students 

      PhD
     . Asoke Talukder      [Currently Director - Technology at 
         Geschickten Solutions Private Limited] 
        [12]
         Thesis: SMS as Ubiquitous, Stateful and Secured Transport Bearer. (Year of Submission 2007)

      M.Tech
     
     . Vivek Kumar Singh   (Currently at Alcatel Lucent)
     . Balakrishnan K      Sponsored by Infosys SET Labs
            Thesis: Video Streaming Optimization and TCP throughput protection 
            over Last Mile Broadband Wireless Access Networks
            [13]

     . Vidya Sagar         [Currently Doctoral Student at 
            Stevens Institute of Technology, USA
            http://sites.google.com/site/vidyababa/mypage] 
            Thesis: Performance Evaluation of WiMAX and Wi-Fi 
            Based Broadband Wireless Access Networks  

     . Mayank Raj          [Currently PhD student at University of Texas, Arlington, USA] [14]
            Thesis: Performance Analysis and Capacity Enhancement for Delivery
            of VoIP Services over WiMAX for Emerging Markets

     . Ritesh Kumar Kalle  [Currently PhD student at IIIT-Bangalore, India]
            Thesis: A Framework for Multimedia Streaming over WiMAX in an Emerging Market Scenario 

     . Srinivas Pasupuleti [Currently at Qualcomm, USA] 
            Thesis: PERFORMANCE EVALUATION OF MAC PROTOCOLS FOR THE WIRELESS LAN AND HYBRID NETWORKS 

       M.S by research

     . Amit Keerti    [15] Presently at Motorola Inc.

Standard Contributions

Ritesh Kumar Kalle, Debabrata Das, Shantidev Mohanty, "Proposed Change for Handling Concurrent Sleep Cycle Configuration Change Initiation in IEEE 802.16m (16.2.16.2.4),"Accepted via Ballot 31 on 18-03-2010. [16]

Ritesh Kumar Kalle, Debabrata Das, Shantidev Mohanty, "Proposed Change for Acknowledging the Sleep Cycle Configuration Change Initiated Using Service Specific BR without STID Header in IEEE 802.16m (16.2.16.2.4)," Accepted viaBallot 31 on 18-03-2010. [17]

Ritesh Kumar Kalle, Debabrata Das, Shantidev Mohanty, Xiangying Yang, Muthaiah Venkatachalam, "Enhanced Sleep Mode Mechanism in IEEE 802.16m" IEEE C802.16m-09/2518r1. Accepted via Letter Ballot 30a on 17-11-2009. [18]

This research has been carried out in collaboration with Intel Wireless and Mobility Research Group, USA. Abstract: This contribution proposes an enhanced sleep mode mechanism for VoIP sessions with silence suppression in case of IEEE 802.16m.

Patent Applications

  1. Applicant  : INTERNATIONAL INSTITUTE OF INFORMATION TECHNOLOGY- BANGALORE

Application No  : 4528/CHE/2011 Filing date  : December 22, 2011 Application Type  : Complete Specification Title  : "METHOD AND SYSTEM OF TRANSMITTING VIDEO DATA TO USER EQUIPMENTS IN A WIRELESS COMMUNICATION ENVIRONMENT"

News

  1. Book Chapter "Adaptive Scheduling for TCP-fairness in Wireless Broadband Networks" by Balakrishnan, Ritesh Kumar and Prof. D. Das accepted for publication in the book Wireless Multi-Access Environments and Quality of Service Provisioning: Solutions and Application by IGI Publishers, USA
  2. Paper on enhanced sleep mechanism for VoIP over IEEE 802.16m accepted at IEEE Globecom 2010
  3. A contribution "Enhanced Sleep Mode Mechanism in IEEE 802.16m" to IEEE 802.16 Broadband Wireless Access Working Group is accepted via Letter Ballot 30 a, 17/11/2009.

Recent Publications

Book Chapters

Balakrishnan K., Ritesh Kumar, Debabrata Das, "Adaptive Scheduling for TCP-fairness in Wireless Broadband Networks," for the Book Wireless Multi-Access Environments and Quality of Service Provisioning: Solutions and Application, IGI Publishers USA]

International Journal Publications

  1. Ronny Yongho Kim, Ritesh Kumar Kalle, Debabrata Das, " Joint Paging Area and Location Update Optimization for IEEE 802.16m Idle Mode," Accepted for publication, ELSEVIER COMNETS

International Conference Publications

  1. Ritesh Kumar Kalle, Amar Kumar Nandan and Debabrata Das, "La VoLTE: novel cross Layer optimized mechanism of Video transmission over LTE for DRX," Accepted for publication, VTC Spring 2012
  2. Vivek Kumar Singh, Ritesh Kumar Kalle and Debabrata Das, "Study of Latency in Enhanced-PGLU (EPGLU) Timer Based Paging in IEEE 802.16m based WiMAX Networks, " Fifth International Conference on Internet Multimedia Systems Architecture and Application, Dec 12-13, Bangalore, India.
  3. Vivek Kumar Singh, Ritesh Kumar Kalle and Debabrata Das, "EPGLU: Enhanced PGLU Timer for Paging and Location Update Optimization in IEEE 802.16m based WiMAX Networks," 17th Asia-Pacific Conference on Communications, Malaysia, Oct 2011.
  4. Ritesh Kumar Kalle, Umamaheswari Devi, Shivkumar Kalyanaraman, "Multi-Tiered, Burstiness-Aware Bandwidth Estimation and Scheduling for VBR Video Flows," Accepted for publication, IWQoS 2011 BEST PAPER AWARD
  5. Ritesh Kumar K, Maruti Gupta, Aran Bergman, Elad Levy, S. Mohanty, Muthaiah V. and Debabrata Das, “Advanced Mechanisms for Sleep Mode Optimization of VoIP Traffic over IEEE 802.16m,” Accepted for Publication, IEEE GLOBECOM 2010
  6. Vishal Karira, Suvarna Kharidehal and Debabrata Das,"Selective Multicast Protocol for Wireless Body Area Networks (W-BAN) for Power Conservation," Accepted for Publication, INDICON 2009 - An IEEE India Council International Conference, Dec 18-20, 2009, Ahmedabad.
  7. Ritesh K. Kalle, Mayank Raj, Balakrishnan K and Debabrata Das,"WEBS : WiMAX Emulation Testbed to Benchmark Streaming Multimedia QoS," Accepted for Publication, IEEE International Conference on Internet Multimedia Systems Architecture and Applications (IMSAA-09), Dec 9 -11, 2009, Bangalore.
  8. Ritesh K. Kalle, Mayank Raj, and Debabrata Das, “A Novel Architecture for IEEE 802.16m Subscriber Station for Joint Power Saving Class Management”, IEEE COMSOC sponsored International Conference on COMmunication Systems and NETworkS (COMSNETS 09), Jan. 5-10, 2009, Bangalore.
  9. Dibakar Das and Debabrata Das, “Evaluation of Mobile Handset Recovery from Radio Link Failure in a Multi-RATs Environment”, IEEE COMSOC sponsored 2nd International Conference on Internet Multimedia Services Architecture and Application (IMSAA-08), 10-12th December, 2008, Bangalore, India.
  10. Vidya Sagar and Debabrata Das, “Modified EDF Algorithm and WiMAX Architecture to Ensure End-to-End Delay in Multihop Network”, IEEE TENCON, November 18-21, 2008, Hydrabad, India.
  11. Debabrata Das, Vidya Sagar, and Ritesh K. Kalle, “Wi-MuMe: WiMAX MuLTIHOP MeSH – A Relay Based Approach to Deliver Broadband to Rural Community”, International Conference on Communication Convergence and Broadband Networking (ICCBN-08), July 17-20, 2008, Bangalore, India.
  12. Ritesh Kalle, Pravin Angolkar, Debabrata Das, and Ramakrishnan Ramalingam, “SWiFT: A Novel Architecture for Seamless Wireless Internet for Fast Train”, IEEE International Conference on Vehicular Technology Conference (VTC-08), 11-14 May, 2008, Marina Bay, Singapore.
  13. Goutam Dutta and Debabrata Das, “Performance Study of an Optical Backbone MAC Interconnecting WiMAX Base Stations over City/County Area”, IEEE International Conference on Wireless Optical Communication Network (WOCN-08), May 5-7, 2008, Surabaya Indonesia.
  14. Amitkeerti M Lagre and Debabrata Das, “Judicious Use of Algorithm for Poll-Me Bit with Active UGS connection in IEEE 802.16e to Increase the Performance”, IET International Conference on Wireless Mobile & Multimedia Conference, Jan. 11-12, 2008, Mumbai, India.
  15. Joseph Thaliath, Mabel Mary Joy, Elizabeth Priya John, and Debabrata Das, “Service Class Downlink Scheduling in WiMAX”, IEEE International conference on COMmunication System softWAre and middlewaRE (COMSWARE 2008), Jan 5-10, 2008, Bangalore, India.
  16. Khyati Sangvi, Piyush Kumar Jain, Abhijit Lele, and Debabrata Das, “Adaptive Waiting Time Threshold Estimation Algorithm for Power Saving in Sleep Mode of IEEE 802.16e”, IEEE International conference on COMmunication System softWAre and middlewaRE (COMSWARE 2008), Jan 5-10, 2008, Bangalore, India.
  17. Ritesh Kalle, Vidya Sagar, Sumit Kumar, Abhijit Lele, and Debabrata Das, “A Novel Interface Gateway Architecture for Seamless Interoperability between 802.11e and 802.16e”, IEEE International conference on COMmunication System softWAre and middlewaRE (COMSWARE 2008), Jan 5-10, 2008, Bangalore, India.
  18. Siddharth Pande, Vikram Jain, Debabrata Das, Vincent Planat, and Raghupati Periannan, "Performance Study of IMS Signaling Plane", IEEE International Conference on IP Multimedia Subsystem Architecture and Application (IMSAA-2007), Accepted for presentation, Bangalore, India, December 6-8, 2007.
  19. M. Vimaladevi, D. Das, and B. A. Shah, "Design of WiMAX Node Architecture for End-to-End Quality of Service", Accepted for Presentation, IEEE WPMC, December, 2007.
  20. Ritesh K. Kalle, D. Das, and A. Lele, "Performance of Triple Play over 802.16e Based Networks for Rural Environment", IEEE Asia-Pacific Conference on Communication (APCC - 2007), October 18-20, Bangkok, Thailand.
  21. Abhijit Lele, Mayank Raj, and Debabrata Das, "Providing Voice Connectivity to Rural India Using WiMax: Issues and Solution", SIGCOMM 2007 (in section of NSDR - Networked Systems for Developing Region), August 27-31, Koyoto, Japan.
  22. Omanand Jha Vatsa, Mayank Raj, Ritesh Kumar K, Deepak Panigrahy and Debabrata Das, "Adaptive Power Saving Algorithm for Mobile Subscriber Station in 802.16e", IEEE International conference on COMmunication System softWAre and middlewaRE (COMSWARE 2007), Jan. 9-12, 2007, Bangalore.
  23. A. V. Dhananjay and D. Das, "Performance of Sniff & Embark protocol for Real Time Traffic in Wireless-LAN", International Conference on Information Technology (ICIT-2006), Dec. 19-21, 2006, Bhubaneswar, India.
  24. A. V. Dhananjay and D. Das, "Sniff and Embark Protocol for QoS Enhancement in Wireless LAN", IEEE International Conference on Computer Communication and Networks (ICCCN 2006), Arlington, Varginia, Washington D C Area, USA, Oct 9-11, 2006.
  25. V. Siddhartha, SVS. Naresh, P. Srinivas, D. Das, "New-MAC Protocol for Enhancement of QoS Performance in Wireless LAN", IEEE International Conference on Wireless and Optical Communication Network (WOCN 2006), April 11-13, Bangalore, 2006.
  26. R. Mukul, P. Singh, D. Jayaram, D. Das, N. Sreenivasulu, K. Vinay, and A. Ramamoorthy, "An Adaptive Bandwidth Request Mechanism for QoS Enhancement in WiMax Real Time Communication", IEEE International Conference on Wireless and Optical Communication Network (WOCN 2006), April 11-13, Bangalore, 2006.
  27. K. Vinay, N. Sreenivasulu, D. Jayaram, D. Das, "Performance Evaluation of End-to-End Delay by Hybrid Scheduling Algorithm for QoS in IEEE 802.16 Network", IEEE International Conference on Wireless and Optical Communication Network (WOCN 2006), April 11-13, Bangalore, 2006.
  28. S. Mitra, A. Sharma, A. Talukder, D. Das and M. Pande,"Improving Presence and Reducing Missed Call in VoIP Networks Through Mobile Paging", International Conference on Computer and Information Science (ICCIS 2005).
  29. A. K. Talukder, D. Das, et.al., "Toll Collection through affordable SMS", International Conference on Communications and Computing 2005 (ICCC2005), IIT-Kanpur, India, February 4-6, 2005.
  30. A. K. Talukder, S. Shabra, T. S. Sudarsan, K. A. Gowrishankar, and D. Das, "Ubiquitous Rescue Operation at Affordable Cost through Location-Aware SMS," National Conference on Communication 2005 (NCC2005), IIT Kharagpur, India, pp. 651-655, January 28-30, 2005
  31. S. Pasupuleti, S. Shreevathsa, and D. Das, "End-to-end Performance Analysis and Simulation of QoS Aware Wireless LANs Interconnected by WDM-Optical Backbone", IEEE International Conference on Personal Wireless Communication 2005 (ICPWC 2005), New Delhi, pp. 295-299, January 23-25, 2005.
  32. A. Talukder, D. Das, and B. Singh, "Ubiquitous-Trustworthy-Secure Data Communication in Hybrid Cellular-Internet Networks," IEEE INDICON 2004, IIT Kharagpur, India, Dec. 20-22, 2004.
  33. S. Pasupuleti and D. Das, "Throughput and Delay Evaluation of Proposed-DCF MAC Protocol for WLAN", IEEE INDICON 2004, IIT Kharagpur, India, Dec. 20-22, 2004.
  34. J. Venkatraman, V. Raghavan, D. Das and A. Talukder, "Trust and Security Realization for Mobile Users in GSM Cellular Networks", Published in Lecture Notes in Computer Science (LNCS 3285) of Springer, International Conference on Information Technology - Asian Applied Computing Conference 2004 (AACC2004), Kathmandu, Nepal, pp 302-309, October 29-31, 2004.
  35. S. Pasupuleti and D. Das, "Performance Evaluation of A New-DCF Mechanism for IEEE802.11", International Conference on Computer Communication 2004 (ICCC 2004), Beijing, China, Vol. II, pp 1412-1418, September 15-17, 2004.
  36. S. Naudiyal, S. Garg, A. Talukder, and D. Das, "Implementation of Multicasting over an Access Network by Next Generation Internet Protocol", NCC2004, Bangalore, pp. 504-507, January 31, 2004.
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