Multiple-Input/Multiple-Output (MIMO) Systems Using Cognitive Radio Frequency : A Review
Keywords:
MIMO, SISO, PU, CBSAbstract
Multiple-input/multiple-output (MIMO) systems have a great potential to enhance the throughput in the framework of wireless cellular networks. In fact, when using M transmit antennas at the base station and N receive antennas at the mobile user, the capacity of a MIMO single user is equal to min{M,N} times the capacity of a single input/single-output (SISO) system. In the research work I have studied the different problems that are the optimization problem that is occurred during the transmission of data. The second problem is the complexity problem on multiple cognitive base station and PU. Other problems such as to interference channel scenario with multiple CBSs and PUs are of interest that is reviewed in the previous research work. These are resolved with the help of the interference channel scenario with multiple CBSs and PUs with channel state information at the transmitter.
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