From: Buffer-aided distributed space-time coding schemes and algorithms for cooperative DS-CDMA systems
If \(\min \| h_{s_{k}r_{l}}\|^{2} \leq \gamma \) or \(\min \| h_{r_{l}d}\|^{2} \leq \gamma, \ \ l\in [1,L]\) |
J cur=J pre+d 3 |
else |
J cur=J pre−d 3 |
end |
where d 3 represents the step size when adjusting the buffer size. |