Patent ID: 8077678

Claim:
A method for simultaneously allocating a radio resource in a frequency-time domain to a plurality of users in an adaptive antenna system, the method comprising: acquiring channel qualities of a plurality of users for the radio resource; when a total transmit power of a Base Station (BS) is divided by a number of users allocated to the radio resource, allocating a user with at least one different user to the radio resource based on the channel qualities of the plurality of users for the radio resource and a sum of Modulation order Product code Rate (MPR) values of the users allocated to the radio resource and the user; checking whether a channel quality of the user is greater than a threshold; when the channel quality of the user is greater than the threshold, calculating the sum of the MPR values of the users allocated to the radio resource and the user; and transmitting data to the users by using the radio resource and power divided by the users allocated to the radio resource.