Super-quasi-orthogonal space-time trellis codes

We introduce a new family of space-time trellis codes which extends the powerful characteristics of super-orthogonal space-time trellis codes to four transmit antennas. We consider a family of quasi-orthogonal space-time block codes as building blocks in our new trellis codes. These codes combine set-partitioning and a super set of quasi-orthogonal space-time block codes in a systematic way to provide full diversity and improved coding gain. The result is a very powerful code that provides full rate, full diversity, and high coding gain. Simulation results demonstrate the good performance of our new super-quasi-orthogonal space-time trellis codes.

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