A method of controlling uplink transmission power of a plurality of access nodes (120,130) using a radio resource control apparatus, in a wireless communication system including the plurality of access nodes (120,130) which transmit signals to a terminal by an inter-cell cooperation based on a Space Division Multiple Access, SDMA, scheme, the method comprising: receiving, by the radio resource control apparatus, inter-cell cooperation information, which includes uplink channel information and resource allocation information of the terminal located in a service area of each of the plurality of access nodes, from each of the plurality of access nodes (120,130); generating by the radio resource control apparatus, an uplink transmission power control command of one of the plurality of access nodes based on the inter-cell cooperation information received from each of the plurality of access nodes; and transmitting the generated transmission power control command to one of the plurality of access nodes by the radio resource control apparatus, wherein the plurality of access nodes include at least one cooperation access node, wherein according to a location where the radio resource control apparatus is disposed in the wireless communication system, the one of the plurality of access nodes (120,130) and the at least one cooperation access node comprise one of a base station including a plurality of macro sectors, a plurality of sector cells included in the base station, and a plurality of sub cells included in the base station, and the sub cells included in the base station respectively include a Radio Remote Head, RRH, or a combination of an RRH and a macro cell, wherein generating of the uplink transmission power control command comprises: calculating a weight of an optimal antenna of an uplink receiver for receiving signals transmitted by the inter-cell cooperation through an uplink of the one of the plurality of access nodes based on inter-cell cooperation information received from the one of the plurality of access nodes and inter-cell cooperation information received from at least one cooperation access node among inter-cell cooperation information received from each of the plurality of access nodes; measuring an effective signal to interference plus noise ratio, SINR, and an effective interference over thermal, IoT, which correspond to the one of the plurality of access nodes by using the calculated antenna weight; and generating the uplink transmission power control command based on the effective SINR and the effective IoT which are measured. receiving, by the radio resource control apparatus, inter-cell cooperation information, which includes uplink channel information and resource allocation information of the terminal located in a service area of each of the plurality of access nodes, from each of the plurality of access nodes (120,130); generating by the radio resource control apparatus, an uplink transmission power control command of one of the plurality of access nodes based on the inter-cell cooperation information received from each of the plurality of access nodes; and transmitting the generated transmission power control command to one of the plurality of access nodes by the radio resource control apparatus, wherein the plurality of access nodes include at least one cooperation access node, wherein according to a location where the radio resource control apparatus is disposed in the wireless communication system, the one of the plurality of access nodes (120,130) and the at least one cooperation access node comprise one of a base station including a plurality of macro sectors, a plurality of sector cells included in the base station, and a plurality of sub cells included in the base station, and the sub cells included in the base station respectively include a Radio Remote Head, RRH, or a combination of an RRH and a macro cell, wherein generating of the uplink transmission power control command comprises: calculating a weight of an optimal antenna of an uplink receiver for receiving signals transmitted by the inter-cell cooperation through an uplink of the one of the plurality of access nodes based on inter-cell cooperation information received from the one of the plurality of access nodes and inter-cell cooperation information received from at least one cooperation access node among inter-cell cooperation information received from each of the plurality of access nodes; measuring an effective signal to interference plus noise ratio, SINR, and an effective interference over thermal, IoT, which correspond to the one of the plurality of access nodes by using the calculated antenna weight; and generating the uplink transmission power control command based on the effective SINR and the effective IoT which are measured. calculating a weight of an optimal antenna of an uplink receiver for receiving signals transmitted by the inter-cell cooperation through an uplink of the one of the plurality of access nodes based on inter-cell cooperation information received from the one of the plurality of access nodes and inter-cell cooperation information received from at least one cooperation access node among inter-cell cooperation information received from each of the plurality of access nodes; measuring an effective signal to interference plus noise ratio, SINR, and an effective interference over thermal, IoT, which correspond to the one of the plurality of access nodes by using the calculated antenna weight; and generating the uplink transmission power control command based on the effective SINR and the effective IoT which are measured.