发明授权
US07853230B2 Methods and apparatus for controlling a gain state of a wireless receiver operating in an idle mode 有权
用于控制在空闲模式下操作的无线接收器的增益状态的方法和装置

Methods and apparatus for controlling a gain state of a wireless receiver operating in an idle mode
摘要:
The settling time of a wireless receiver is reduced by providing a previously utilized gain control state value to an amplifier of a receiver front end during a warm-up portion of a wake-up period of the wireless receiver which follows a sleep period. One illustrative method includes the steps of receiving a notification signal which indicates that the wireless receiver is to be placed in a sleep mode, reading a gain control state value from a gain controller based on receiving the notification signal, storing the gain control state value in memory, providing the stored gain control state value from the memory to the wireless receiver during a warm-up period of a second wake-up period following the first wake-up period, and providing a gain control state value from the gain controller to the wireless receiver based on a signal level of a currently received signal of the wireless receiver after the warm-up period.
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