A.Sivabalan and Joseph John “Improved Transmitter Placements for Near Uniform Power Distribution in Multiple Transmitter Indoor Optical Wireless Systems”, 13th National Conference on Communications (NCC-2007), IIT Kanpur, India, Jan. 26-28, 2007, pp.132-136
Joseph John and A.Sivabalan, “Multiple Transmitter Indoor Optical Wireless Systems: Prospects and Design Challenges,” PHOTONICS 2006, Hyderabad, India, Dec 13-16, 2006, OCN-7 (Invited paper)
A. Sivabalan and Joseph John, Performance analysis of Diffuse Indoor Optical Wireless Systems in Ambient Noise Environments
, Proceedings of the 12th National Conference on Communications (NCC-2006),IIT Delhi,India, pp.460-464, Jan. 27-29, 2006
Chaturi Singh, Joseph John, Y.N.Singh and K.K.Tripathi, ''Design Aspects of High-Performance Indoor Optical Wireless Transceivers“, International Conference on Personal Wireless Communication -2005 (ICPWC-2005)., Jan. 23-25, New Delhi
“Design Aspects of High-Performance Indoor Optical Wireless Transceivers”, Chaturi Singh, Joseph John, Y.N.Singh and K.K.Tripathi, International Conference on Personal Wireless Communication -2005, Jan. 23-25, New Delhi (ICPWC-2005).
“An improved noise rejection receiver model for indoor optical wireless systems using wavelet de-noising technique”, A.Sivabalan and Joseph John, International Conference on Personal Wireless Communication -2005, Jan.23-25, New Delhi (ICPWC-2005).
“Simulation and Optimisation of Intensity Profile of an Optical Transmitter for High-Speed Wireless Local Area Networks”, Chaturi Singh, Joseph John, Y.N.Singh and K.K.Tripathi, Seventh International Conference on Optoelectronics, Fiber Optics and Photonics, Dec.9-11, 2004, Cochin University of Science & Technology, Kerala. Paper LTW-P2.
“Propagation Measurements of Indoor Infrared Channels”, K.Smitha, Joseph John, Seventh International Conference on Optoelectronics, Fiber Optics and Photonics, Dec.9-11, 2004, Cochin University of Science & Technology, Kerala. Paper LTW-P19.
“Multi-transmitter Indoor Optical Wireless Systems”, A.Sivabalan, Joseph John, Seventh International Conference on Optoelectronics, Fiber Optics and Photonics, Dec.9-11, 2004, Cochin University of Science & Technology, Kerala. Paper LTW-P20.
“Effect of Multiple Transmitters on the Power Distribution in Indoor Optical Wireless Systems”, A.Sivabalan and Joseph John, Proceedings of the Tenth National Conference on Communications (NCC-2004), Jan 30-Feb 1,2004, Indian Institute of Science, Bangalore, pp.572-576.
“Experimental Realization of DPPM for Power Efficient Optical Wireless Systems”, R.Tripathi and Joseph John, Proceedings of the Tenth National Conference on Communications (NCC-2004), Jan 30-Feb 1,2004, Indian Institute of Science, Bangalore, pp.336-340.
“Power Distribution of Diffuse Indoor Optical Wireless Systems Considering Multiple Sources and Multiple Reflections”, A.Sivabalan and Joseph John, Second International Conference on Optical Communications & Networks, (ICOCN 2003) Bangalore, India, October 20-22, 2003, Paper ID:2041.
“Modeling and Simulation of Indoor Optical Wireless Channels: A Review”, A.Sivabalan, Joseph John, Convergent Technologies for the Asia-Pacific, IEEE TENCON 2003, Bangalore, India, Oct.14-17, 2003.
“High-Capacity Indoor Optical Wireless
LAN Architecture”, Chaturi Singh, Joseph John, Y.N.Singh, K.K.Tripathi, Convergent Technologies for the Asia-Pacific, IEEE TENCON 2003, Bangalore, India, Oct.14-17, 2003.
“Studies on IrDA Compatible Links for High Speed Indoor Data Transmission”, Nisha Kuruvilla, Joseph John, Proceedings of the National Conference on Communication and Networking, (NCCN-2003), 26-28 Feb 2003, SRM Engg College, Kattankulathur, pp.74-84.
“Performance Comparison of Modulation Techniques used in Indoor Optical Wireless Systems”, R.Tripathi, Joseph John, Proceedings of the Ninth National Conference on Communications (NCC-2003), Jan 31-Feb 2,2003, IIT Madras, pp.586-590.
“Optical Orthogonal Codes using Quadratic Residues”, Manoj Choudhary, P.K.Chatterjee, Joseph John, Proceedings of the Ninth National Conference on Communications (NCC-2003), Jan 31-Feb 2,2003, IIT Madras, pp.10-14.
“An Experimental High Speed Outdoor Optical Wireless Link for Interbuilding Data Communication”, Saju Thomas and Joseph John, Sixth International Conference on Optoelectronics, Fiber Optics and Photonics, Dec.16-18, 2002, TIFR, Mumbai, Paper No. LTW-P12.
“High-Speed Power-Efficient Indoor Optical Wireless System”, Chaturi Singh, Y.N.Singh, Joseph John, and K.K.Tripathi Sixth International Conference on Optoelectronics, Fiber Optics and Photonics, Dec.16-18, 2002, TIFR, Mumbai, Paper No. NET-P6.
“Optical Orthogonal Codes using Error Correcting Codes”, Manoj Choudhary, P.K.Chatterjee, Joseph John, Proceedings of the Eighth National Conferenece on Communications (NCC-2002), Jan 25-27,2002, IIT Bombay, pp.65-69.
“Optical Orthogonal Codes using Hadammard Matrices”, Manoj Choudhary, P.K.Chatterjee, Joseph John, Proceedings of the Seventh National Conference on Communications, I.I.T. Kanpur, Jan. 27-28,2001, pp.209-211.
“Laser Heated Pedestal Growth of Single Crystal Fibers of LiNbO3”, Arvind Mohan, K.V.Rao, Joseph John, and Bansi Lal, Proceedings of National Laser Symposium (NLS-2000), Dec.13-15, 2000, LASTEC, Metcalfe House, Delhi, pp.139-140.
Turbidity Spectroscopy of Cardiolipin Vesicle Suspension, T.K. Khan, R.M. Hallen, R. Behera, V. Saxena, J. John, S. Kumar, and P. Gupta-Bhaya, 42nd Anual Meeting of Bio-Physical Society, Kansas City, USA, February 22-26, 1998.
“Laser Diode to Single-mode Fibre Coupling using GRIN Rod Lenses”, Joseph John, T.S.M.Maclean, H.Ghafouri-Shiraz, National Symposium on Fibre Optic Communication, Networking & Sensors, Dec.8-9, 1995, I.I.T. Kanpur, pp. C103-C113.
“Analysis of Higher Order Spherical Aberration in Ball Lenses for LD to SMF Coupling”, Sumit Gupta, Joseph John, National Symposium on Fibre Optic Communication, Networking & Sensors, Dec.8-9, 1995, I.I.T. Kanpur, pp.C43-C55.
“Code Sequences for Fibre Optic CDMA Systems”, Manoj Choudhary, P.K.Chatterjee, Joseph John, Proceedings of the First National Conference on Communications, I.I.T. Kanpur, March 13-14,1995, pp.35-42.
“Highly Efficient Coupling between Laser Diode and Single-mode Fibres at 1.5 m”, Joseph John, T.S.M.Maclean, and H.Ghafouri-Shiraz, 4th Bangor Symposium on Communications, University of Wales-Bangor, 27-28 May 1992.
“A 45 Mbits/sec Fibre Optic Link using 1300nm Devices”, Joseph John, Goutam Deb, Mukesh Kumar, and P.K.Chatterjee, First National Symposium of IPA/DST on Lasers and Applications, CELT, I.I.T. Kanpur, Dec.2-5, 1987.
“5 km Fibre Optic Digital Link”, P.K.Chatterjee, Joseph John, and Goutam Deb, International Conference on Microelectronics and Fibre Optics, CSIO, Chandigarh, Nov.5-8, 1985.