| 摘要 |
A routing device and a signal transmitting method for a Wireless Local Area Network (WLAN) are provided. The device includes: a radio frequency transmitting module, adapted to: generate radio network signals of the WLAN, and adjust the transmit power of the radio network signals according to power indication information; and an antenna module, adapted to transmit the radio network signals according to the adjusted transmit power. The method includes: generating radio network signals of the WLAN, and adjusting the transmit power of the radio network signals according to power indication information; and transmitting the radio network signals according to the adjusted transmit power. Through the routing device and the signal transmitting method, the radio network signals may be transmitted according to different transmit powers. Therefore, the routing device can meet the requirement for portability, fixed installation, and wide coverage. |
| 主权项 |
1. A routing device for a Wireless Local Area Network (WLAN), comprising:
a radio frequency (RF) transmitting module, adapted to: generate radio network signals of the WLAN, and adjust a RF transmit power of the radio network signals according to RF power indication information; an antenna module, adapted to transmit the radio network signals according to an adjusted RF transmit power; the radio frequency transmitting module comprises a radio frequency transmitter and a RF power adjusting module, wherein:
the radio frequency transmitter is adapted to generate the radio network signals of the WLAN;the RF power adjusting module comprises a RF signal link selecting switch selecting to transmit the radio network signals to the antenna module through either a first RF signal link or a second RF signal link according to the RF power indication information; and, wherein:
the radio network signals when transmitted through the first RF signal link, are both not amplified and being transmitted at a lower RF power without an amplifier, than the second RF signal link; andthe radio network signals when transmitted through the second RF signal link, are both amplified and being transmitted at a higher RF power than the first RF signal link; the routing device enabled to be powered by either an external power supply or a battery, wherein the routing device further comprising a judging module adapted to:
generate the RF power indication information for transmitting the radio network signals through the second RF signal link, when the routing device is powered by the external power supply, orgenerate the RF power indication information for transmitting the radio network signals through the first RF signal link, when the routing device is powered by the battery, wherein: the radio frequency transmitting module comprises a radio frequency transmitter, a Power Amplifier (PA) which is set on the second RF signal link, and a feedback module located between the PA and the radio frequency transmitter;the feedback module comprises a transmit power receiving unit, a RF power adjusting unit, and a transmit power contrast table;the transmit power receiving unit is adapted to receive the power indication information transmitted by the antenna module;the RF power adjusting unit is adapted to search the transmit power contrast table for an output power of the radio frequency transmitter according to target transmit power information;the transmit power contrast table comprises at least two mapping relations between the output power of the radio frequency transmitter and the transmit power of the radio network signals transmitted by the antenna module; andthe radio frequency transmitter is adapted to generate the radio network signals of the WLAN according to a found output power. |
