Closed Form BER Expressions for BPSK OFDM Systems with Frequency Offset. - R. Uma Mahesh; Ajit Kumar Chaturvedi (IEEE Commun. Lett., 2010)

Fractional timing offset and channel estimation for MIMO OFDM systems over flat fading channels. - R. Uma Mahesh; Ajit Kumar Chaturvedi (WCNC, 2012)