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A METHOD FOR IMPROVING RADIO COVERAGE IN A CELLULAR RADIO SYSTEM AND A CELLULAR RADIO SYSTEM
A METHOD FOR IMPROVING RADIO COVERAGE IN A CELLULAR RADIO SYSTEM AND A CELLULAR RADIO SYSTEM
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机译：改善蜂窝无线电系统中的无线电覆盖率的方法和蜂窝无线电系统
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摘要
The invention discloses a method for improving radio coverage in a cellular radio system and a cellular radio system, which comprises at least one base station and a plurality of mobile stations communicating with said base station, and at least one repeater station for retransmitting messages received from the base station to at least one mobile station. According to the inventive method a first communication channel to a mobile station (6) is converted in the base station (4) into a second communication channel having a frequency offset from the first channel, in order to send a message to a repeater station (5) on the second channel. Correspondingly, in the repeater station (5), the message is received on the second channel, the second channel is converted back to the first channel, and finally, the message is transmitted to the mobile station (6) on the first channel.
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