| 摘要 |
PROBLEM TO BE SOLVED: To allow mobile telephone set to indicate a reception state report signal denoting it how much level a signal sent from the mobile telephone set is received by a relay station in terms of a tone signal or the like. SOLUTION: A relay station is provided with a signal generator 28 that generates a reception state report signal denoting a reception state of a radio wave sent from a mobile telephone set and the relay station sends the reception state to the corresponding mobile telephone set based on an output of the signal generator 28. The mobile telephone set converts this signal into a tone signal or the like and indicates it. Through the indication above, the user of the mobile telephone set recognizes accurately how much level a signal sent from the mobile telephone set is received by the relay station. |
