cordance with the present invention; FIGS. 2A and 2B, taken together, are an exemplary block diagram of a receiver implementing B-FFT-based CLE using joint processing with transmit and receive diversity at twice the chip rate in accordance with the present invention; FIG. 3 shows a space time transmit diversity (STTD) encoder for quadrature phase shift keying (QPSK); FIG. 4 shows an STTD encoder f