From: A virtual grid-based real-time data collection algorithm for industrial wireless sensor networks
Rows of neighbor table | Definition | Criterion |
---|---|---|
LU | Head node in the upper left corner | \(\left (M_{r}^{\prime } = M_{r} + 1 \right) \& \left (M_{c}^{\prime } = M_{c} - 1 \right) \) |
RU | Head node in the upper right corner | \(\left (M_{r}^{\prime } = M_{r} + 1 \right) \& \left (M_{c}^{\prime } = M_{c} + 1 \right) \) |
LD | Head node in the lower left corner | \(\left (M_{r}^{\prime } = M_{r} - 1 \right) \& \left (M_{c}^{\prime } = M_{c} - 1 \right) \) |
RD | Head node in the lower right corner | \(\left (M_{r}^{\prime } = M_{r} - 1 \right) \& \left (M_{c}^{\prime } = M_{c} + 1 \right) \) |
UG | Head node in the grid above | \(\left (M_{r}^{\prime } = M_{r} + 1 \right) \& \left (M_{c}^{\prime } = M_{c}\right) \) |
DG | Head node in the grid below | \(\left (M_{r}^{\prime } = M_{r} - 1 \right) \& \left (M_{c}^{\prime } = M_{c} \right) \) |
LG | Head node in the left grid | \(\left (M_{r}^{\prime } = M_{r} \right) \& \left (M_{c}^{\prime } = M_{c} - 1 \right) \) |
RG | Head node in the right grid | \(\left (M_{r}^{\prime } = M_{r} \right) \& \left (M_{c}^{\prime } = M_{c} + 1 \right) \) |