A software-defined radio based cognitive radio demonstration over FM band

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A software-defined radio based cognitive radio demonstration over FM band

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International Conference On Communications And Mobile Computing archive
Proceedings of the 2009 International Conference on Wireless Communications and Mobile Computing: Connecting the World Wirelessly table of contents

Leipzig, Germany

SESSION: Cooperative Cognitive Networks workshop table of contents

Pages 495-499

Year of Publication: 2009

ISBN:978-1-60558-569-7

Authors

Omer Mian	Wright State University
Ruolin Zhou	Wright State University
Xue Li	Wright State University
Seng Hong	Air Force Research Laboratory
Zhiqiang Wu	Wright State University

Sponsors

ACM: Association for Computing Machinery
: Wiley-Blackwell

Publisher

ACM New York, NY, USA

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ABSTRACT

In this paper, we present a software defined radio (SDR) based cognitive radio implementation and demonstration. Using GNU Radio and USRP SDR boards, we implement and demonstrate a cognitive radio that detects spectrum holes in the FM band and exploits the available spectrum holes to transmit digital and analog data without interfering the existing FM transmission. Moreover, we demonstrate that when a primary user's transmission starts over the original spectrum holes, the cognitive radio automatically adapts its transmission to avoid interference to the newly coming primary user. Additionally, we have implemented and demonstrated a frequency hopping over multiple spectrum holes to support multiple secondary users with minimum interference to each other.

REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

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