Abstract
In MIMO systems, the deployment of multiple antenna technique can considerably enhance the system performance. However, this is considering without a price. Since cost of RF is much higher than the antennas, there is growing interest in techniques that use larger number of antennas than the number of transmitter RF. These methods rely on selecting the optimal transmitter antennas and connecting them to respective RF. In this case, the feedback information (FBI) is required to select the optimal transmitter antennas. However, transmission of the FBI through a feedback channel is limited. Moreover, multiple antennas system requires an antenna separation of 5~10 lambda to keep the correlation coefficient below 0.7 for achieving the diversity gain. In this case, base station is required a wide space to set the multiple antenna. To reduce these problems, this paper proposed the link correlation based transmit sector antenna selection for Alamouti coded OFDM without FBI.
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