Research Article
An Overlay Architecture for MISO Cognitive Radio Systems
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@INPROCEEDINGS{10.1007/978-3-642-41773-3_8, author={Monirosharieh Vameghestahbanati and Hasan Mir and Mohamed El-Tarhuni}, title={An Overlay Architecture for MISO Cognitive Radio Systems}, proceedings={Wireless Internet. 7th International ICST Conference, WICON 2013, Shanghai, China, April 11-12, 2013, Revised Selected Papers}, proceedings_a={WICON}, year={2013}, month={10}, keywords={Mean square error (MSE) multiple-input-single-output (MISO) crosstalk overlay system cognitive radio (CR)}, doi={10.1007/978-3-642-41773-3_8} }- Monirosharieh Vameghestahbanati
Hasan Mir
Mohamed El-Tarhuni
Year: 2013
An Overlay Architecture for MISO Cognitive Radio Systems
WICON
Springer
DOI: 10.1007/978-3-642-41773-3_8
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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