Barkha Pandey, Raghu Harsh Kalia, Monica Kaushik, and Monika Arora. “Performance Enhancement of DS-CDMA System Using Extended BPSK Modulation Scheme”. Journal on Today’s Ideas - Tomorrow’s Technologies, vol. 4, no. 2, Dec. 2016, pp. 172-80, doi:10.15415/jotitt.2016.42009.