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Reward representation for WCRQ-routing model embedded at SU node i.
| Cost | r t i(a t i) = ωr t i,j + (1 − ω)q t j where r t i,j represents the number of retransmissions for a packet sent from SU node i to SU neighbor node j at time t, while q t j represents the number of packets in the queue of SU neighbor node j. Weight factor ω = [0,1] is used to adjust the tradeoff between PUs' and SUs' network performance. |
