| 摘要 |
A base station in a duplex radio communication system comprises two transceivers 10, 12 each of which has a transmitter 14, 20, a main receiver 16, 22 and a diverse receiver 18, 24. A main antenna 26 is connected to the common port of a first diplex filter 38, and a diverse antenna 28 is connected to the common port of a second diplex filter 40. A first amplifier and splitter 30, 32 feed main receive signals from the main antenna 26 to the main receivers 16, 22 and a second amplifier and splitter 34, 36 feed diverse receive signals from the diverse antenna 28 to the diverse receivers 18, 24. The diverse antenna 28 acts not only as a receive antenna, but also transmits signals from the transmitter 20, so more power is available for transmission. <IMAGE> |
