A Method for Optimizing the Energy Efficiency of Cognitive Users in Cooperative Cognitive Networks
A technology that recognizes users and energy efficiency, is applied in power management, wireless communication, electrical components, etc., and can solve problems such as difficult to find optimal solutions
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[0083] The present invention will be described in detail below in conjunction with the drawings and embodiments, but the protection scope of the present invention is not limited to the embodiments.
[0084] The invention proposes a method for optimizing energy efficiency of cognitive users in a cooperative cognitive network.
[0085] The cooperative cognitive network model considered in the present invention includes a pair of primary user transceivers (PT, PU) and a pair of cognitive user transceivers (ST, SU). The user receiver sends data, and the cognitive user acts as a relay to assist the main user to ensure the communication quality requirements and win the opportunity to send its own data. The main user has a stable energy supply, and the cognitive user transmitter does not have a fixed energy supply, and collects energy completely from the radio frequency signal transmitted by the main user. A time slot is divided into three phases. In the first phase, the main user t...
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