Cognitive radio communication device using overlapped signal and method thereof
A communication device and signal technology, applied in the field of cognitive radio, can solve problems such as low efficiency and achieve the effect of maximizing data transmission rate
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[0022] Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.
[0023] figure 1 is a diagram showing an example of a primary network and a secondary network according to the present invention.
[0024] refer to figure 1 , the primary network includes a first base station and a first terminal, and the secondary network includes a second base station and a second terminal. At this time, the second base station and the second terminal can transmit / receive signals based on an Orthogonal Frequency Division Multiplexing (OFDM) scheme.
[0025] At this time, the cognitive radio communication device according to the present invention may be installed and operated in the second terminal or the second base station.
[0026] At this time, the second terminal or the second base station may use a cognitive radio technology (cognitive radio technology) to identify a part or all of the frequency resources a...
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