Wireless device and receiving method

摘要

The purpose of the present invention is to shorten a time required to perform Auto Gain Control (AGC) processing in a wireless device that can be applied to a plurality of wireless systems. On the basis of a first gain adjusted by means of a gain control unit (450-1), an initial gain setting unit (460) sets, for a variable gain unit (432-2), an initial gain (converted second initial gain) at the start of gain adjustment. Then, a gain control unit (450-2) sets the initial gain to a second gain at the time of starting the gain adjustment, and adjusts the second gain on the basis of IQ signals of a system, the IQ signals having the level adjusted by means of the variable gain unit (432-2).

主权项

1. A wireless device, comprising:
a first antenna that receives a first signal modulated by a first wireless scheme; a second antenna that receives a second signal modulated by a second wireless scheme; a first variable gain section that adjusts a level of the first signal; a second variable gain section that adjusts a level of the second signal; a first gain control section that adjusts a first gain based on the first signal whose level has been adjusted by the first variable gain section, the first gain being a gain of the first variable gain section; a setting section that sets an initial gain based on the first signal, the initial gain being a second gain that is a gain of the second variable gain section, the initial gain being used by the second variable gain section at start of gain adjustment; and a second gain control section that sets the initial gain to the second gain at the start of the gain adjustment, and adjusts the second gain based on the second signal whose level has been adjusted by the second variable gain section.