Abstract
The increase data size transmitted in digital communication systems necessitates the use of high-capacity communication channels for the transmission of these data. To increase the channel capacity, MIMO systems are widely used. Antenna selection in MIMO systems is very important for efficient use of communication sources. Cognitive Radio systems generally aim to increase spectrum efficiency by using MIMO systems. Therefore, Cognitive Radio must find empty spectrum regions with spectrum detection methods. Spectrum detection performance is related to the antenna numbers in MIMO systems. Therefore, this study examines the effect of antenna numbers on detection performance in correlation-based detection method. Thanks to this study, the relationship between channel capacity, detection performance and antenna number for MIMO systems was investigated.
Highlights
It is known that the amount of data transmitted in wireless communication systems is gradually increasing[1]
Multiple Input Multiple Output (MIMO) wireless communication systems provide a significant improvement in system efficiency as they have multiple receiver-transceiver antennas[3]
One of the biggest advantages of MIMO systems is that their channel capacities are much higher than Sıngle Input Sıngle Output (SISO) systems[4]
Summary
Abstract— The increase data size transmitted in digital communication systems necessitates the use of high-capacity communication channels for the transmission of these data. To increase the channel capacity, MIMO systems are widely used. Antenna selection in MIMO systems is very important for efficient use of communication sources. Cognitive Radio systems generally aim to increase spectrum efficiency by using MIMO systems. Cognitive Radio must find empty spectrum regions with spectrum detection methods. Spectrum detection performance is related to the antenna numbers in MIMO systems. This study examines the effect of antenna numbers on detection performance in correlation-based detection method. The relationship between channel capacity, detection performance and antenna number for MIMO systems was investigated
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