In this paper, we proposed a new scheme to generate D-band mm-wave vector signals based on an intensity modulator. With this scheme, the eight-fold-frequency D-band mm-wave vector signals were generated based on an intensity modulator and the precoding technology. After wireless transmission for a certain distance, the signals were input to the receiving end, and then were demodulated and analyzed for error. Due to the center-carrier suppression of the scheme, the signals were successfully transmitted without the assistance of any optical filter, greatly reducing the link cost of the radio-over-fiber system. Furthermore, we experimentally demonstrated the generation and transmission of 152 GHz 4 GBaud quadrature phase shift keying (QPSK) signals, and the bit error rate of the QPSK signals received after 1 m wireless transmission was lower than the threshold of soft-decision forward error correction (1.0×10 ^-2).