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EURASIP Journal on Wireless Communications and Networking
Fig. 16 | EURASIP Journal on Wireless Communications and Networking

Fig. 16

From: Q-learning-based dynamic joint control of interference and transmission opportunities for cognitive radio

Fig. 16

R I , R L according to SNR change. Figure 16 shows the change in interference ratio and transmission opportunity loss ratio when SNR changes over time. Even when the environment changes, Q-learning uses a Q-table to find the state of the interference ratio and the transmission opportunity loss ratio and uses the appropriate action to maintain a stable system. At low SNRs, the transmission opportunity loss ratio increases, but it can be confirmed that it returns to a stable range

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