Patent ID: 8345621

Claim:
A method for transmitting signals from a user equipment in a communication system, the method comprising: selecting a channel configuration depending on a current location of the user equipment from among available channel configurations defined differently depending on a location of the user equipment within a cell; and transmitting signals using the selected channel configuration, wherein the transmitting the signals includes: determining a region to which the user equipment belongs among a plurality of regions divided depending on a distance between the user equipment and a base station; and transmitting sequences allocated to the determined region by using the selected channel configuration, wherein, if the determined region is a region which is adjacent to a boundary of the cell within a predetermined distance among the plurality of regions, the sequences allocated to the determined region are different from those allocated to adjacent cells, and wherein, if the determined region is a region which is far away from the boundary of the cell at the predetermined distance or greater among the plurality of regions, the sequences allocated to the determined region are commonly used with the adjacent cells.