P. K. Nishad and P. Singh,"Carrier frequency offset estimation in OFDM systems", in 2013 IEEE Conference on Information & Communication Technologies, IEEE, April 2013, 10.1109/CICT.2013.6558220       Inproceedings

S. Vekataesh and P. Singh,"Performance analysis of multi user chaotic communication system using orthogonal chaotic vector", International Journal of Signal and Imaging Systems Engineering, vol.5, no.4, pp.260-266, Inderscience, November 2012, 10.1504/IJSISE.2012.050323       Article

A. Singh and P. Singh,"Synchronous overloaded system for the uplink of cellular CDMA with Unequal Chip Delay Spreading (UCDS)", in 2012 5th International Conference on Computers and Devices for Communication (CODEC), IEEE, Kolkata, India, December 2012, 10.1109/CODEC.2012.6509233       Inproceedings

S. Venkatesh and P. Singh,"An improved multiple access chaotic communication system using orthogonal chaotic vectors", in 2011 International Conference on Communications and Signal Processing, IEEE, Calicut, India, February 2011, 10.1109/ICCSP.2011.5739404       Inproceedings

S. Venkatesh and P. Singh,"Multi User Chaos Based DS-CDMA System Using Orthogonal Chaotic Vector", in International Conference On Electronics Systems ( ICES – 2011 ), IEEE 2011       Inproceedings

S. Venkatesh and P. Singh,"Performance Analysis of OCV based Non Coherent MA Chaotic Communication System with Adaptive Multi User Receivers", in 2011 International Conference on Devices and Communications (ICDeCom), IEEE 2011, 10.1109/ICDECOM.2011.5738462       Inproceedings

P. Singh and S. Chakrabarti,"A bandwidth efficient multiple access scheme using MSE-OFDM", in IEEE 5th International Symposium on Wireless Pervasive Computing 2010, IEEE 2010, 10.1109/ISWPC.2010.5483765       Inproceedings

P. Singh, S. Chakrabarti, and R V. R. Kumar,"A novel multiple access scheme using MSE-OFDM for uplink", in Proceedings, UKIWCWS, 2009, IEEE, December 2009, 10.1109/UKIWCWS.2009.5749386       Inproceedings

P. Singh, S. Chakrabarti, and R.,"Multiple access using MSE-OFDM", in 2008 5th IEEE Consumer Communications and Networking Conference, IEEE, Las Vegas, NV, USA, January 2008, 10.1109/ccnc08.2007.96       Inproceedings

P. Singh, S. Chakrabarti, and R.,"Analysis of MSE-OFDM system in multipath fading channels", in National Conference on Communication, NCC, 2008,’ IIT, Mumbai, IEEE, February 2008       Inproceedings