| 摘要 |
PROBLEM TO BE SOLVED: To provide a radio LAN apparatus which can transmit a radio signal by proper transmitting power and which can attain power saving, and to provide a method for controlling the transmitting power. SOLUTION: The radio LAN apparatus includes a host system 3 which acquires the receiving power level of a receiving signal, the PER of the receiving signal, and the communication speed of the receiving signal during a predetermined time, and stores the acquired information in a memory 32. The host system 3 detects the range of the change of the receiving power level of the acquired receiving signal within a predetermined time, and thereafter, makes the transmitting power constant when the receiving power level of the receiving signal is included in the range of the change of the receiving power level. The host system 3 detects the range of the change of the PER of the acquired receiving signal within a predetermined time, and thereafter, makes the transmitting power constant when the PER of the receiving signal is included in the range of the change of the PER. COPYRIGHT: (C)2005,JPO&NCIPI
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