Patent ID: 7561541

Claim:
A WLAN (Wireless Local Area Network) communication device for performing communication in a WLAN network, the WLAN communication device comprising: a physical connection unit configured to provide a physical connection of the WLAN communication device to a wireless communication medium; a physical connection oscillator connected to the physical connection unit configured to provide a physical connection clock signal to the physical connection unit; and a control unit connected to the physical connection unit and the physical connection oscillator, the control uniting being configured to control operation of the physical connection oscillator; wherein the WLAN communication device is operable in a communication mode for transmitting and/or receiving data packets and in a first standby mode; wherein the control unit is adapted to deactivate the physical connection oscillator when the WLAN communication device enters the first standby mode; wherein the WLAN communication device is configured to negotiate a duration of the first standby mode with a WLAN communication counterpart within the WLAN network and to abandon the first standby mode after the negotiated duration; and wherein the physical connection unit comprises a frequency divider configured to generate a main clock signal by dividing the frequency of the physical connection clock signal, and wherein the physical connection unit is configured to provide said main clock signal to the control unit.