Antenna tuning devices and antenna tuning methods

    公开(公告)号:US11064505B2

    公开(公告)日:2021-07-13

    申请号:US16734606

    申请日:2020-01-06

    Abstract: Antenna tuning may include performing multiple sampling on a transmission signal applied to an antenna and a reception signal corresponding to the transmission signal during a period for which a first frequency is allocated to the transmission signal, such that sampling data are generated based on the multiple sampling, the sampling data including data corresponding to the transmission signal and data corresponding to the reception signal. The method may include calculating a parameter based on the sampling data, and tuning the antenna based on the parameter. A device may include a control circuit to perform the multiple sampling and set a tuning value, a radio frequency front-end to modulate the transmission signal based on the frequency and apply a return signal of the transmission signal or a reflection signal, and an antenna tuner to adjust a resonance frequency or an impedance of the antenna according to the tuning value.

    DEVICE AND METHOD OF CONTROLLING TRANSMISSION POWER

    公开(公告)号:US20180020413A1

    公开(公告)日:2018-01-18

    申请号:US15603814

    申请日:2017-05-24

    CPC classification number: H04W52/346 H04W52/225 H04W52/367

    Abstract: A method of controlling transmission power used for wireless transmission in a wireless communication device including calculating a remaining power level of a third period based on a tolerant power level of a first period and a remaining power level of a second period, the third period included in the first period and being a period from a current time to a point in time following the current time, the second period being a period from the current time to a point in time preceding the current time, calculating a transmission power level of the third period based on a target power level and the remaining power level of the third period, and generating a power control signal for determining a power level of a transmission signal unit based on the transmission power level of the third period may be provided.

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