payload caculation
' +-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
' | Kill | Acces | EPC | TID | User | Kill | Acces | EPC | TID | User |
' | Mask | Mask | Mask | Mask | Mask | Act. | Act. | Act. | Act. | Act. |
' +---+---+---+---+---+---+---+---+---+---+---+---+-------+-------+-------+-------+
' | W | P | W | P | W | P | W | P | W | P | W | P | W | P | W | P | W | P | W | P |
' +---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
' | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
' +---+---+---+---+---+---+---+---+---+---+---+---+---+---+