Abstract
A multiple-input-single-output (MISO) wireless overlay system is developed in the context of cognitive radio (CR) applications. Whereas conventional CR architectures require spectrum sensing and only allow the overlay system to operate when the legacy system is idle, the proposed architecture enables simultaneous operation of the overlay and legacy systems. The overlay system exploits transmit-path diversity in order to optimize its own self performance while mitigating interference into the legacy system. Simulation results using the proposed architecture demonstrate significant performance gains vis-a-vis single-input-single-output (SISO) schemes.
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© 2013 ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering
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Vameghestahbanati, M., Mir, H.S., El-Tarhuni, M. (2013). An Overlay Architecture for MISO Cognitive Radio Systems. In: Qian, H., Kang, K. (eds) Wireless Internet. WICON 2013. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 121. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-41773-3_8
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DOI: https://doi.org/10.1007/978-3-642-41773-3_8
Publisher Name: Springer, Berlin, Heidelberg
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