Zte Corporation

Xi'an Zhongxing New Software Co., Ltd.

Yibao Luo

Lin Li

Fengpeng Liu

Shuai Guo

Rong Jia

Jing Gao

Xiao Jiang

Jingbo Wei

Pangang Cheng

Ling Luo

A method and circuit for frequency compensation, a storage medium, and an electronic device, the method including: determining speed information of a terminal device relative to a predetermined device, where the speed information includes acceleration information and vector information; converting the speed information into a first acceleration value corresponding to a Global Positioning System (GPS) device; and compensating a frequency of a crystal oscillator in the terminal device based on the first acceleration value and a second acceleration value, where the second acceleration value is an actual acceleration value of the GPS device determined by the terminal device.

Method and circuit for frequency compensation, storage medium, and electronic device

Disclosed are a radio communication apparatus, an antenna testing method and a user equipment (UE). The radio communication apparatus may include a radio frequency (RF) circuit, a testing circuit and an analysis circuit. The RF circuit includes a plurality of antennas configured to receive or transmit RF signals. The testing circuit is connected to the plurality of antennas and configured to sequentially test the plurality of antennas and send testing signals of the plurality of antennas to an analysis circuit. The analysis circuit is connected to the testing circuit and configured to determine an antenna from the plurality of antennas for transmitting the RF signals according to the testing signals of the plurality of antennas.

Wireless communication apparatus, antenna detection method and user device

Embodiments of the present disclosure relate to wireless communication field and disclose a method for speed measurement and positioning and a terminal. The speed measurement and positioning method in the present disclosure applied to a receiving end comprises: when it is determined that the local oscillation frequency of the receiving end is the same as that of each transmitting end, receiving a test signal transmitted by at least one transmitting end; determining frequency difference between the frequency of the test signal and the local oscillation frequency of the receiving end; determining, according to the frequency difference, the relative speed between the receiving end and the transmitting end corresponding to the test signal; and determining, according to the determined relative speed and first position information of the transmitting end corresponding to the test signal, second position information of the receiving end relative to the transmitting end corresponding to the test signal.

Speed measurement and positioning method, and terminal

Provided is a full-time duplex system. The system includes: a receiving antenna (), a transmitting antenna (), a transmitting channel (), an LNA (), a mode determination unit (), a power detection amplitude phase adjustment unit (), an RSSI detection amplitude phase adjustment unit () and an amplitude phase unit (); the power detection amplitude phase adjustment unit () is electrically connected between the receiving antenna () and the low noise amplifier () and also between the transmitting antenna () and the transmitting channel (); the mode determination unit () notifies, according to a power range which a signal transmitting power of the full-time duplex system belongs to, one of the power detection amplitude phase adjustment unit () or the RSSI detection amplitude phase adjustment unit () of controlling the amplitude phase unit () to adjust an amplitude and a phase of a transmitting cancellation signal.

Full-time duplex system, full-time duplex circuit, and control method

Provided are an envelope tracking method and a mobile terminal. The envelope tracking method includes: acquiring coordinates of at least two points of an instantaneous radio frequency envelope each mapped to the same power supply voltage value; mapping the coordinates of the at least two points of the instantaneous radio frequency envelope each mapped to the same power supply voltage value to the same power supply voltage value to generate a mapping relationship; and transmitting data based on the mapping relationship.

Envelope tracking method and mobile terminal

Provided is a charging protection circuit. The charging protection circuit includes a wireless charging base and a charging receiving circuit. The charging receiving circuit includes first receiving coils configured to receive electromagnetic waves from the wireless charging base; a high-permeability magnetic core coupled to the first receiving coils and configured to block electromagnetic waves opposite to the electromagnetic waves from the wireless charging base; a detection circuit coupled to the high-permeability magnetic core and configured to detect whether the high-permeability magnetic core has failed; and a power supply circuit coupled to the high-permeability magnetic core and configured to convert electromagnetic energy generated by electromagnetic waves into electric energy to supply power to a power receiving device. With the technical solution, the serious result caused by continuous charging of a wireless charger after a high-permeability magnetic core has failed is avoided, thus guaranteeing the security of a power receiving device.

Growing community of inventors

Guangdong, China

Yibao Luo