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Introduction to MIMO Communications by Jerry R. Hampton

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7   Space-time coding

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In the previous chapter, we considered Alamouti space-time coding, which enables transmit diversity with optimum performance. As we saw, although Alamouti coding works with any number of receive antennas, it is restricted to cases where there are only two transmit antennas. In this chapter, we broaden our discussion and consider space-time codes that support more than two transmitters.

Since Alamouti’s code was introduced in 1998, much research has been conducted in the area of space-time coding for MIMO applications, and space-time coding is now a broad field encompassing many different types of coding schemes. Space-time ...

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