在ofdm系统中空时格状码编译码方式，与ofdm结合性能的比较-in OFDM systems hollow when trellis coding - decoding methods, combined with OFDM Performance Comparison

space time block code用于2 by 2 MIMO 系统。

空时网格编码 this section, we show simulation results pertaining to the performance of STTC on Rayleigh fading channels.-STTC code this section, we show simulation results pertaining to the performance of STTC on Rayleigh fading channels.