Nested and interleaved direct sequence spread spectrum to enhance CDMA security and bit error rate performance. - Abolfazl Falahati; Nader Sanandaji (Int. J. Commun. Syst., 2016)

A Hidden OSTBC Scheme to Enhance Physical Layer Security by Employing a Pseudorandom Precoder. - Nader Sanandaji; Abolfazl Falahati (IEEE Trans. Commun., 2020)

CBTC Security and Reliability Enhancements by a Key-Based Direct Sequence Spread Spectrum Technique. - Hamed Dabbaghzadeh; Abolfazl Falahati; Nader Sanandaji (IEEE Trans. Intell. Transp. Syst., 2024)