Random signal mapped MIMO OFDM system using subcarrier grouping and space-time codes
Peng Zhang · Journal of Circuits and Systems · 2008
A system using STTC to code on subcarrier groups in RSM MIMO OFDM is proposed. Using STC for fast fading channels to code on each subcarrier groups, random signal mapping codes are transmitted on every antenna, and then the receiver end can collect a large part of the space diversities and the frequency diversities. Simulation results show that the system have good performance on multi-path MIMO fading channels.