Patent ID: 7454172
Filing Date: 2008-11-18
Classification: H04W

Abstract:
1. A wireless base station comprising: a first and second base stations for transmitting and receiving signals having a different frequency band respectively, said first and second base stations being placed in the same case as a combo; first subtraction means for, when said first base station is in a transmitting state and said second base station is in a receiving state, subtracting an attenuated value from a received signal of said second base station, said attenuated value being obtained by multiplying a transmission signal from said first base station by a predetermined attenuation ratio; and second subtraction means for, when said second base station is in a transmitting state and said first base station is in a receiving state, subtracting an attenuated value from a received signal of said first base station, said attenuated value being obtained by multiplying a transmission signal from said second base station by the predetermined attenuation ratio.