| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To solve the following problem: when another system is additionally employed in the conventional radio base station system where a certain system is already employed, etc., a radio controller and a radio device for each system are required in the conventional system. <P>SOLUTION: A radio base station device has a rate conversion part which samples a base band signal of a first communication system at a clock rate of common multiples of a clock rate of the first communication system and a clock rate of a second communication system different from the clock rate of the first communication system. The another radio device has a frequency discrimination part which receives the base band signal of the first communication system sampled at the clock rate of the common multiples of the clock rate of the first communication system and the clock rate of the second communication system different from the clock rate of the first communication system and a base band signal of the second communication system, discriminates frequencies, and divides the received base band signals to the base band signal of the first communication system and the base band signal of the second communication system. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
