List of Research Contributions:

 

Papers/Theses:

Refereed Journal Papers               :                       10

Refereed Conference Papers        :                       36

Best Paper Awards                                :              1 [25]

Theses supervised                         :                       11 (8 Master’s, 3 PhDs)

 

Patents/Presentations:

Patents Awarded                          :                       43 US Patents + international patents

Patents pending                            :                       10+ (in the area of Radio Resource Management 

                                                                              (RRM) and Medium Access Control (MAC) for

                                                                              current and future wireless networks)

Invited Presentations                    :                       NORTEL Wireless Forum- 1991,93,94,97, 2005

                                                                              Rutger’s WINLAB - 2005

Internal Reports (Nortel, RIM)     :                       Several written

Customer Presentations                :                       AT&T Wireless, Nextel, Vodafone, Bouygues

Standards Contributions               :                       WiMAX

 

 

 

Papers in Refereed Journals

 

1.      S. Dixit, S. Periyalwar, H. Yanikomeroglu, A Distributed Framework with a Competitive and Dynamic Pricing Model for Secondary User Access in Infrastructure based Wireless Networks, accepted to IEEE Transactions on Vehicular Technology.

2.      A. S. Kahlon, S. S. Szyszkowicz, S. Periyalwar, H.Yanikomeroglu, Analysis of Additional Outage in Spectrum Sharing with Rayleigh-Faded Signal Link, accepted to IEEE Wireless Communications Letters.

3.      L. Xiao, L. J. Greenstein, N. B. Mandayam and S. Periyalwar, Distributed Measurements for Estimating and Updating Cellular System Performance, IEEE Trans. Commun., Vol. 56, No. 6, June 2008

4.      S. Periyalwar, B. Hashem, G.  Senarath, K. Au, R. Matyas, Future mobile broadband wireless networks: a radio resource management perspective, Wiley Journal of Wireless Communications and Mobile Computing, Vol. 3, Issue 7,  Nov 2003, pp. 803-816.

5.      W. Ibrahim, J. W. Chinneck, S. Periyalwar, A QoS-based charging and resource allocation framework for next generation wireless networks, Wiley Journal of Wireless Communications and Mobile Computing, Vol. 3, Issue 7, Nov. 2003, pp. 895-906

6.      S. Periyalwar and S. Fleisher, A Modified Design of Trellis Coded MPSK for the Fading Channel, IEEE Trans. Commun., July 1993, pp. 874-882.

7.      S. Periyalwar and S. Fleisher, Trellis Coding of Quadrature Frequency/Phase Modulated Signals, IEEE J. Select. Areas Commun., Satellite Systems and Services for Travelers, Oct. 1992, pp. 1254 - 1263.

8.      S. Periyalwar and S. Fleisher, Multiple Trellis Coded Frequency and Phase Modulation, IEEE Trans. Commun., Jun. 1992, pp. 1038 - 1046.

9.      S. Periyalwar, Sherwin T. Nugent and B. Milan Horacek, Two-dimensional Fourier Spectrum of QRST Integral Maps in Classification of Patients Prone to Ventricular Arrhythmia, IEEE Trans. Biomed. Eng., April 1989, pp. 493 - 496.

10.    B.M. Horacek, C. Purcell, R. Lamothe, R. Merritt, C. Kafer, S. Periyalwar, S. Dey, L.J. Leon and G. Stroink, Effect of Torso Geometry on MCG Isofield Maps, Jour. Phys. in Med. Biol., 32(1), 1987, pp. 121 - 124.

 

Papers in Refereed Conference Proceedings

 

1.      A. S. Kahlon, S. Periyalwar, H. Yanikomeroglu, Outage in a Cellular Network Overlaid with an Ad hoc Network: The Uplink Case, accepted to 22nd IEEE Personal Indoor Mobile Radio Communications, Toronto, Canada, 2011.

2.      A. S. Kahlon, Sebastian S. S., S. Periyalwar, H. Yanikomeroglu, Identification of Spectrum Sharing Opportunities for a Finite Field Secondary Network through an Exact Outage Expression under Rayleigh Fading, accepted to 22nd IEEE Personal Indoor Mobile Radio Communications, Toronto, Canada, 2011.

3.      Dixit, S., Periyalwar, S.,Yanikomeroglu, H., A Competitive and Dynamic Pricing Model for Secondary Users in Infrastructure Based Networks,  VTC 2010-Fall.

4.      S. Dixit, S. Periyalwar, and H. Yanikomeroglu, A Distributed Framework with a Novel Pricing Model for Enabling Dynamic Spectrum Access for Secondary Users, VTC (Fall) 2009.

5.      F. Atay Onat, H. Yanikomeroglu, and S. Periyalwar, Relay-Assisted Spatial Multiplexing In Wireless Fixed Relay Networks, IEEE Globecom 2006.

6.      L. Xiao, L. Greenstein, N. Mandayam, S. Periyalwar, Sensor Networks for Estimating and Updating the Performance of Cellular Systems, IEEE ICC 2006.

7.      F. Atay Onat, H. Yanikomeroglu, and S. Periyalwar, Adaptive Multi-Stream Relaying, IEEE Canadian Conf. on Electrical & Computer Engineering (CCECE 2006), 7-10 May 2006, Ottawa, Canada.

8.      S. S. Szyszkowicz, H. Yanikomeroglu, E. Fituri, and S. Periyalwar, Analytical modeling of interference in cellular fixed relay networks, IEEE Canadian Conf. on Electrical & Computer Engineering (CCECE 2006), 7-10 May 2006, Ottawa, Canada.

9.      A. Graves, B. Wallace, S. Periyalwar, C. Riccardi, Clinical Grade – A Foundation For Healthcare Communications Networks, DRCN 2005, Fifth International Workshop on Design of Reliable Communication Networks.

10.    O. Mubarek, H. Yanikomeroglu, and S. Periyalwar, Dynamic Frequency Hopping In Cellular Fixed Relay Networks, IEEE Vehicular Technology Conf. Spring 2005 (VTC'S05), May 30 - June 1, 2005, Stockholm, Sweden.

11.    W. Ibrahim, J. W. Chinneck, S. Periyalwar and H. El-Sayed, QoS Satisfaction Based Charging and Resource Management Policy for Next Generation Wireless Networks, IEEE WirelessComm 2005, Maui, USA, Jun 13-15 2005.

12.    H. Zhang, D. Yu, S. Periyalwar, Dynamic Resource Management for Coverage and Capacity Enhancement in Cellular Systems with Infrastructure Based Multihop Relaying, WWRF 12 Meeting, Toronto, Canada, Nov 4-5, 2004.

13.    G. Senarath, S. Periyalwar, M. Smith and R. Matyas, Coverage Performance Evaluation Methodology for Next Generation Wireless Systems, WWRF 12 Meeting, Toronto, Canada, Nov 4-5, 2004.

14.    Contributions to: A. Alexiou, Editor, White Paper: Duplexing, Resource Allocation and Inter-cell Coordination-Design Recommendations for Next Generation Systems, WWRF 12 Meeting, Toronto, Canada, Nov 4-5, 2004.

15.    H. Bolukbasi, H. Yanikomeroglu, D. Falconer, S. Periyalwar, Feasibility of Providing High Data Coverage in Cellular Fixed Relay Networks, WWRF 12 Meeting, Toronto, Canada, Nov 4-5, 2004.

16.    H. Bolukbasi, H. Yanikomeroglu, D. Falconer, and S. Periyalwar, On the capacity of wireless mesh networks, IEEE Canadian Conference on Electrical and Computer Engineering 2004 (CCECE'04), 2-5 May 2004, Niagara Falls, Ontario, Canada.

17.    H. Hu, H. Yanikomeroglu, D.D. Falconer, S. Periyalwar, Range extension without capacity penalty in cellular networks with digital fixed relays, IEEE GLOBECOM '04  ,Vol. 5 , 29 Nov.-3 Dec., 2004, pp. 3053 - 3057

18.    S.S. Periyalwar and K.J. McGuirk, Performance of Multiple Symbol Differential Detection in the Mobile Radio Channel, IEEE Third Internatl. Conf. on Universal Personal Commun., San Diego, Sep.27- Oct.1, 1994. (Full paper review)

19.    X. Jin, D. Brown and S.S. Periyalwar, Correlation Analysis of Fading and Weather Conditions on an All-Water Digital Microwave Radio Hop, CCECE '94, Sept. 25-28, 1994, Halifax.

20.    D. Bower, M.L. Suen, K.J. McGuirk, S.Sriram, Z.Guo and S.S. Periyalwar, Design and Development of the GLASE Position Location Transceiver, CCECE '94, Sept. 25-28, 1994, Halifax.

21.    M.L. Suen and S.S. Periyalwar, Diversity Selection Based on Decoding Syndrome in Correlated Fading Channels, CCECE '94, Sept. 25-28, 1994, Halifax.

22.    X. Jin and S.S. Periyalwar, Real Number TCM Design for Given Peak-to-Average Power Ratio,  CCECE '94, Sept. 25-28, 1994, Halifax.

23.    S.S. Periyalwar and X. Jin, Some Good Block PSK Real Number Codes for  Rayleigh Fading Channels, International Conf. on Personal Wireless Communications, August 18-19, 1994, Bangalore, India.

24.    X. Jin and S.S. Periyalwar, Real Number Block PSK Codes for the Rayleigh Fading Channel, Wireless '94, Calgary, Alberta, July 11-13, 1994.

25.    X. Jin and S.S. Periyalwar, Performance of Intercode Interleaving in the Indoor Portable Radio Channel, IEEE Second Internatl. Conf. on Universal Personal Commun., Ottawa, Oct. 1993, pp. 453-457. (Full paper review)

26.    D. Klovsky, S.S. Periyalwar and S. Fleisher, Comments on Multi-Carrier and Single-Carrier Digital Modulation in a Multipath Radio Channel, Canadian Conf. on Elect. and Computer Eng. Vancouver, Sept. 1993, pp. 381-384.

27.    E. Paravalos and S. Periyalwar, Performance of Coded Modulation on Frequency Selective Fading Channels, Wireless '93, Calgary, July 1993,  pp. 432-436.

28.    E. Paravalos and S. Periyalwar, Performance of Coded Modulation on Intersymbol Interference Channels, IEEE Pacific Rim Conf. on Commun., Computers and Signal Proc., Victoria, May 1993, pp. 443-446

29.    S. Periyalwar, Multiple Trellis Coded Modulation for the Mobile Radio Channel, IEEE Global Commun. Conf., GLOBECOM'92, Orlando, Fla., pp. 894 - 898. (Full paper review)

30.    S.S. Periyalwar, S. Fleisher and S. Qu, Trellis Coded Multiorthogonal Modulation, Canadian Conf. on Elect. and Comp. Eng., Sept. 1991, Quebec City, pp. 61.1.1 - 61.1.4.

31.    S. Fleisher S. Qu and S.S. Periyalwar, Quadrature Biorthogonal Modulation, Canadian Conf. on Elect. and Comp. Eng., Sept. 1991, Quebec City, pp. 61.2.1 - 61.2.4.

32.    M.J. Gardner, S.S. Periyalwar, S.T. Nugent, and B.M. Horacek, Assessment of Vulnerability to Ventricular Arrhythmia by Mathematical Analysis of Body Surface Potential Maps, Annual Mtg. Can. Cardiovascular Soc.,  Oct. 1990, Halifax, Canada, p. C‑49.(Abstract)

33.    S.S. Periyalwar and S. Fleisher, Trellis Coded MPSK Modulation with an Unexpanded Signal Set, 1991 IEEE International Symposium Inform. Theory, San Diego, CA, Jan. 1991, pp. 21 ‑ 22. (Abstract)

34.    S.S. Periyalwar and S. Fleisher, Combined Frequency/Phase Modulation with Multiple Trellis Coding, IEEE Pacific Rim Conf. on Commun., Comp., and Signal Proc., Victoria, BC, 1989, pp. 404 ‑ 407.

35.    S.S. Periyalwar, S.T. Nugent, M.J. Gardner, T.J. Montague and B.M. Horacek, FFT and KLT Analysis of QRST Integral Maps of MI and VT Patients, Proc. of IEEE Ninth Annual Conf. on Engineering in Medicine and Biology, Halifax, NS, 1987, pp. 174 ‑ 175.

36.    S.S. Periyalwar, S.T. Nugent, and B.M. Horacek, Application of Fourier and Eigenvector Analysis to the Classification of Integral Maps, Proc. of CMBEC‑13, pp. 183 ‑ 184 (Third Prize in Student Paper Contest).

 

Theses:

 

1.      S.S. Periyalwar, Multiple Trellis Coded Modulation on Fading Channels, Ph.D., 1992.

2.      S.S. Periyalwar, Two-dimensional Fourier and Eigenvector Analysis of Body Surface Potential Maps, Master of Applied Science, 1987.

 

 

 

Theses Supervised:

 

1.      A. Kahlon, Outage Analysis for Secondary users in Wireless Fading Channels, MASc, 2011 (co-supervised with Prof. H. Yanikomeroglu)

2.      S. Dixit, A Distributed Framework with a Novel Pricing Model for Dynamic Spectrum Access to Secondary Users in Infrastructure based Wireless Network, MASc, 2010, (co-supervised with Prof. H. Yanikomeroglu)

3.      O. Mubarek, Dynamic Frequency Hopping in Cellular Fixed Relay Networks, MASc., 2004 (co-supervised with Prof. H. Yanikomeroglu)

4.      W. Ibrahim, A Novel QoS Aware Integrated Charging and Resource Control Framework for Next Generation Wireless Networks, PhD, 2002 (co-supervised with Prof. J. Chinneck)

5.      Z. Masood, Interference Characterization in Unlicensed National Information Infrastructure (U-NII) band, M.Eng. 2001(co-supervised with Prof. D. Falconer)

6.      M. Suen, Syndrome Selection Diversity Combining in an Indoor Mobile Radio Environment, M.A.Sc., 1997.

7.      X. Jin, Non-Asymptotic Optimum Design of Block Modulation Codes in a continuous signal Space, Ph.D., 1996.

8.      E. Paravalos, The Performance of Coded Modulation on Time Dispersive and Fading Channels, Ph.D., 1994.

9.      P. Fecteau, A Distributed Deployment Scheme for CT2 Based Wireless Communication Systems, M.A.Sc., 1994 (co-supervised with Mr. Jorge del Rio, BNR, Ottawa). 

10.    S. Sriram, Performance of Uncoded Modulation with Precoding in Time Dispersive Channels,  M.A.Sc., 1994

11.    K.J. McGuirk, Application of Multiple Symbol Differential Detection to Radio Fading Channels, M.A.Sc., 1993.

 

Standards Contributions:

 

1.      W. Tong, P. Zhu, M.H. Fong, B. Johnson, G. Senarath, S. Periyalwar, D. Yu, H. Zhang, D. Steer, Enabling Fixed Relay and Mesh Capabilities to Enhance IEEE802.16e, IEEE C802.16-05_011, IEEE 802.16's Study Group on Mobile Multihop Relay

2.      H. Zhang, W. Gage, S. Periyalwar, M.-H. Fong, M. Chion, I. Shahar, Y. Eliaspur, Y. S. Jin, M.-S. Kim, Fast MSS-BS DL Data Flow Coordination for FBSS Support, IEEE C802.16e-04/548r2, to IEEE 802.16 Broadband Wireless Access Working Group

 

Patents Awarded:

 

1.      Base station, relay, system and method for packet re-transmission in a multi-hop network  US 8,254,300 

2.      Power management and distributed scheduling for uplink transmissions in wireless systems  US 8,150,432 

3.      Relaying system and method with partner relays and selective transmission  US 8,081,924 

4.      Method and system for soft handoff in mobile broadband systems US 7,979,072

5.      Packet communication system with dual candidate sets for independent management of uplink and downlink transmissions, US 7,756,520 

6.      Multi-hop wireless backhaul network and method, US7,646,752

7.      Switching In A Distributed Access Network,  EP1752009 

8.      Methods for supporting MIMO transmission in OFDM applications, US7,630,356 

9.      Method and system of flow control in multi-hop wireless access networks, US7,590,064 

10.    System and method for peer-to-peer communication in cellular systems, US7,548,758, US 7,877,106, US 8,260,337     

11.    Frame structure for variable rate wireless channels transmitting high speed data  US 7,463,600, EP1264435B1 

12.    Coverage improvement in wireless systems with fixed infrastructure based relays  US7,406,060, EP1908310

13.    Cyclic transmit power adjustment scheme, US7,383,057 

14.    Multi-hop intelligent relaying method and apparatus for use in a frequency division duplexing based wireless access network, US7,218,891 

15.    Beam wobbling for increased downlink coverage and capacity, US7,203,520, US 8,068,876 

16.    Enhanced ARQ with OFDM modulation symbols, US7,110,351, US7,289,427

17.    Hybrid ARQ schemes with soft combining in variable rate packet data applications, US7,072,307, US7,483,389, US 8,254,284,  Australian Patent 779378

18.    Dynamic automatic retransmission request in wireless access networks US7,032,153

19.    Adaptive Frame Structures For Hybrid CDMA / TDMA System EP1249092B1

20.    Multi-carrier arrangement for high speed data US6,956,835

21.    System and method for code division multiple access communication in a wireless communication environment US6,930,470, EP1405420,

22.    System And Method For Wireless Code Division Multiple Access Communication  EP1374423

23.    Frame structures supporting voice or streaming communications with high speed data communications in wireless access networks  US6,907,020, US7,596,123 

24.    System and method for layer 2 frame delineation recovery US 6,885,679, EP1320970

25.    Method and system for wireless packet scheduling with per packet QoS support and link adaptation, US6,879,561

26.    Multi-beam antenna system for high speed data, US6,804,521

27.    Method and system for providing load-balanced communication, US6,748,222

28.    Dynamic sub-carrier assignment in OFDM systems, US6,721,569, US7,031,753, US7,414,964

29.    Receiver based adaptive modulation scheme, US6,701,129

30.    Method and apparatus for assigning frequency channels to a beam in a multi-beam cellular communications system, (sole inventor), US6,611,695, US6842630

31.    System And Method Of Integrating Dynamic Frequency Association With Channel Borrowing Techniques, US6219554

32.    Method of Performing Progressive Soft Handoff in CDMA Systems, US6018662, EP0986281B1