| 摘要 |
The invention relates to a radio communication system for enabling radio frames to be transmitted between terminals and radio base stations which are such a distance apart that a transmission delay between the terminals and the stations is smaller than a certain limit. According to the invention, when a radio base station is unlocked, a DC component of a received signal is estimated during a whole interval in which a preamble word may be received. In the locked state, an estimation will take place only during the preamble word.
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