Future Work

In the future, a semi-blind equalization scheme can be extended from this work. High spectrum efficiency and channel capacity can be achieved by blind techniques. However, the BER loss compared with non-blind algorithms is an obstacle to practical application.

To mitigate the BER, a short training sequence can be introduced to constitute a semi-blind system, which has better BER performance than semi-blind systems while its channel capacity is still higher than that of non-blind systems. Moreover, SBTC or orthogonal STBC can be taken into account since these coding algorithms are often used to increase transmit diversity for a reliable link of MIMO systems. It is also possible to combine coloring precoders with precoders of multi-user MIMO systems.

4.2 Future Work 57

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