Algorithm 1. Slot scheduling of 1-hop relay node

1:  At node x that receives NSSI: 2:    calculates startLSI(x) using (5); 3:    Alloc(x) = a list of SD(x) sequential logical slot numbers starting with startLSI(x) according to the LSI algorithm; //The ascending sorted list of physical slot numbers corresponding to Alloc(x) 4:    TxSlots(x) = ascSort {psi(y)| y ∈ Alloc(x)}; 5:        startLSI = startLSI(x) + SD(x); 6:    RxSlots(x) = { }; 7:    for each y ∈ CS(x) 8:       Alloc(y) = a list of SD(y) sequential logical slot numbers starting with startLSI; 9:       psiAlloc(y) = ascSort {psi(v)| v ∈ Alloc(y)} 10:       RxSlots(x) = RxSlots(x) ∪ {v| v ∈ psiAlloc(y), v is in odd position}; 11:       TxSlots(x) = TxSlots(x) ∪ {v| v ∈ psiAlloc(y), v is in even position}; 12:       startLSI = startLSI + SD(y); 13:    endFor