Table 4 The rules of selecting next hop head node
From: A virtual grid-based real-time data collection algorithm for industrial wireless sensor networks
DN of current head node | Transmission direction | Row selected table in neighbor |
|---|---|---|
1 | Bottom left | LD |
2 | Bottom right | RD |
3 | Top right | RU |
4 | Top left | LU |
5 | Down | DG |
6 | Right | RG |
7 | Up | UG |
8 | Left | LG |
0 | (Broadcast in local grid) | / |