Substation with zero control apparatus

The utility model relates to a substation with the zero control apparatus using the principle of reusing the extended code allocated already or using the extended code relating to the used extended code in the same sector or in the same cell to increase the available quantity of the extended code in a wireless system and thus increase the quantity of the users and the data capacity of the wireless system through the apparatus and the process. Therefore, the utility model makes the capacity amelioration provided by each cell in proportion with the aerial quantity increased in the substation. The aerial zero control technique allocating the codes just maintains the cross-correlation characteristic toward the users with the requirement and consequently gets the capacity amelioration gain.