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Method for Hybrid Cooperative Sharing applied Automatic Request Protocol

Journal: The Journal of the Institute of Internet, Broadcasting and Communication (Vol.15, No. 1)

Publication Date:

Authors : ;

Page : 105-110

Keywords : Cognitive Radio; Spectrum Sharing; Optimal Transmitting Power;

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Abstract

In cognitive radio networks, when the signal-to-noise ratio (SNR) of the link between a primary transmitter and receiver is sufficiently high, the primary transmission does not frequently demand cooperation because direct transmission of the primary communication is usually successful. Therefore, there are few opportunities for a secondary transmitter to cooperate with the primary user system in exchange for an opportunity to share the spectrum. This article proposes a scheme in which the secondary system can deliberately degrade the SNR of the primary transmission, making it so that the primary system needs cooperation from the secondary nodes, and thereby increases opportunities for spectrum sharing.

Last modified: 2015-11-18 16:35:38