Abstract:Combing space-time trellis codes and layered space-time codes, a new Generalized Recursive Space-Time Trellis Code(G-RSTTC) is designed for a Serial Concatenated Space-Time Code(SCSTC). Compared with SCSTC using the traditional recursive STTC as the inner code, the G-RSTTC based SCSTC can increase the data rate with the increase of the transmit antenna number. Compared with the SCSTC using BLAST as the inner code, the G-RSTTC based SCSTC achieve higher diversity gains and coding gains.