Method of performing uplink scheduling

A method of performing uplink scheduling of a mobile station in a base station, the mobile station being located in a service cell of the base station, wherein

• at least one adjacent cell influenced by power of the mobile station exists, and the uplink includes a plurality of frequency bands that are different from one another, and
• the method of performing the uplink scheduling comprises:
• receiving interference amounts of the plurality of frequency bands corresponding to the at least one adjacent cell, respectively;
• calculating a plurality of interference values each corresponding to the plurality of frequency bands by using the plurality of interference amounts corresponding to the at least one adjacent cell, respectively;
• obtaining scheduling control information corresponding to the mobile station by using the plurality of interference values;
• and
• transmitting the scheduling control information to the mobile station,
• wherein the plurality of frequency bands comprises:
• a first frequency band that is commonly used in all of cells;
• a second frequency band that is commonly used in the service cell and the at least one adjacent cell and is allocated to a mobile station located at an edge of the service cell;
• and
• a third frequency band that is commonly used in the service cell and the at least one adjacent cell and is allocated to a mobile station located at an edge of the adjacent cell,
• wherein the obtaining of the scheduling control information corresponding to the mobile station comprises:
• generating a plurality of signal to interference and noise ratios each corresponding to the plurality of frequency bands by using the plurality of interference values;
• calculating a plurality of transmission power densities each corresponding to the plurality of frequency bands by using the plurality of signal to interference and noise ratios;
• calculating a plurality of bandwidths each corresponding to the plurality of frequency bands by using the plurality of transmission power densities;
• searching one frequency band corresponding to a maximum bandwidth among the plurality of frequency bands;
• recognizing a modulation and coding scheme control level corresponding to a signal to interference and noise ratio of the one frequency band;
• and
• generating scheduling control information including information on the one frequency band, the maximum bandwidth, and the modulation and coding scheme control level,
• wherein the signal to interference and noise ratio corresponds to signals that are capable of being received from the mobile station.

A method of performing uplink scheduling of a mobile station in a base station, the mobile station being located in a service cell of the base station, wherein

• at least one of adjacent cells influenced by power of the mobile station exists, and
• the method of performing the uplink scheduling comprises:
• receiving interference amounts of a plurality of frequency bands corresponding to the at least one adjacent cell, respectively;
• calculating a plurality of interference values each corresponding to the plurality of frequency bands by using the plurality of interference amounts each corresponding to the at least one adjacent cell;
• calculating a plurality of transmission powers corresponding to the plurality of frequency bands by using the plurality of interference values;
• generating scheduling control information corresponding to the mobile station by using the plurality of transmission powers;
• and
• transmitting the scheduling control information to the mobile station,
• wherein the uplink includes the plurality of frequency bands that are different from one another in that a first frequency band is commonly used in all of cells;
• a second frequency band is commonly used in the service cell and the at least one adjacent cell and is allocated to a mobile station located at an edge of the service cell;
• and a third frequency band is commonly used in the service cell and the at least one adjacent cell and is allocated to a mobile station located at an edge of the adjacent cell.

A method of performing uplink scheduling of a mobile station in a base station, the mobile station being located in a service cell of the base station, and

• the method of performing the uplink scheduling comprises:
• receiving a plurality of interference amounts each corresponding to a plurality of frequency bands in at least one adjacent cell corresponding to the mobile station from the base station of the at least one adjacent cell, respectively;
• recognizing a plurality of interference values each corresponding to the plurality of frequency bands by using the plurality of interference amounts each corresponding to the at least one adjacent cell;
• generating a plurality of signal to noise and interference ratios each corresponding to the plurality of frequency bands by using the plurality of interference values;
• generating scheduling control information corresponding to the mobile station by using the plurality of signal to noise and interference ratios;
• and
• transmitting the scheduling control information to the mobile station,
• wherein the signal to interference and noise ratio is a factor with respect to signals that are capable of being received from the mobile station,
• wherein the uplink includes the plurality of frequency bands that are different from one another in that a first frequency band is commonly used in all of cells;
• a second frequency band is commonly used in the service cell and the at least one adjacent cell and is allocated to a mobile station located at an edge of the service cell;
• and a third frequency band is commonly used in the service cell and the at least one adjacent cell and is allocated to a mobile station located at an edge of the adjacent cell.

A method of performing uplink scheduling of a mobile station in a base station, the mobile station being located in a service cell of the base station, wherein

• the uplink includes a plurality of frequency bands different to one another, and
• the method of performing the uplink scheduling comprises:
• receiving a plurality of interference amounts each corresponding to the plurality of frequency bands in at least one adjacent cell corresponding to the mobile station from the base station of the at least one adjacent cell, respectively;
• recognizing a plurality of interference values each corresponding to the plurality of frequency bands by using the plurality of interference amounts each corresponding to the at least one adjacent cell;
• generating a plurality of signal to noise and interference ratios each corresponding to the plurality of frequency bands by using the plurality of interference values;
• generating scheduling control information corresponding to the mobile station by using the plurality of signal to noise and interference ratios;
• and
• transmitting the scheduling control information to the mobile station,
• wherein the signal to interference and noise ratio is a factor with respect to signals that are capable of being received from the mobile station,
• wherein the plurality of frequency bands comprise:
• a first frequency band that is commonly used in all of cells;
• a second frequency band that is commonly used in the service cell and the at least one adjacent cell and is allocated to a mobile station located at an edge of the service cell;
• and
• a third frequency band that is commonly used in the service cell and the at least one adjacent cell and is allocated to a mobile station located at an edge of the adjacent cell,
• wherein the generating of the scheduling control information comprises:
• calculating a plurality of transmission power densities each corresponding to the plurality of frequency bands by using the plurality of signal to interference and noise ratios;
• calculating a plurality of bandwidths each corresponding to the plurality of frequency bands by using the plurality of transmission power densities;
• selecting one frequency band among the plurality of frequency bands by the plurality of bandwidths;
• selecting a modulation and coding scheme control level by using a signal to interference and noise ratio of the one frequency band;
• and
• generating scheduling control information including information on the one frequency band, a bandwidth corresponding to the one frequency band, and the modulation and coding scheme control level.