Zte Corporation

Xi'an Zhongxing New Software Co., Ltd.

Shougang Cheng

Yu Qin

Jun Feng Shen

Yajun Chen

Yu Xiao

Yuanyong Li

Disclosed are a communication circuit and a communication device. The communication circuit comprises a signal reception multiplexing circuit comprising a multiplexing antenna, a signal separation module connected to the multiplexing antenna, and a first signal demodulation module and a second signal demodulation module respectively connected to the signal separation module. The multiplexing antenna is configured to receive a first signal and a second signal of the same frequency band and to send the signals received to the signal separation module. The signal separation module is configured to separate the first signal and the second signal from the signals received, to send the first signal separated to the first signal demodulation module for demodulation processing, and to send the second signal separated to the second signal demodulation module for demodulation processing.

Communication circuit and communication device

The present application relates to a wave limiting circuit, and a pre-calibration method, a dynamic correction method and apparatuses therefor. The circuit comprises: an LC series resonance circuit, a controller and a matching element, wherein a first end of the matching element is connected to a radio frequency circuit; a second end thereof is connected to an antenna, and a third end thereof is connected to one end of the LC series resonance circuit; and the other end of the LC series resonance circuit is connected to the controller so as to adjust parameters of the LC series resonance circuit by means of the controller.

Wave limiting circuit, and pre-calibration method, dynamic correction method, and apparatuses therefor

Disclosed by the embodiments of the present document are a mobile communication terminal including a signal output module, a main antenna module, a diversity antenna module, an acquisition module, a control module and a radio-frequency switching module, and a signal transmission method. The acquisition module is used to acquire transmitting power Pof a transmitted signal when the signal output module generates the transmitted signal to transmit through the main antenna module, and acquire transmission capabilities of the main antenna module and the diversity antenna module when Pis greater than a first preset value. The control module outputs a corresponding control signal to the radio-frequency switching module according to the transmission capabilities of the main antenna module and the diversity antenna module; and the radio-frequency switching module controls the output module to be connected with the main antenna module or the diversity antenna module according to the control signal.

Mobile communication terminal and signal transmission method of mobile communication terminal

Disclosed is a mobile terminal. The mobile terminal comprises an antenna body and a metal ring. The metal ring is provided on the mobile terminal without contacting the antenna body, and the vertical projection of the metal ring on a plane where the antenna body is located intersects the antenna body. By means of the disclosure, signal receiving performance of the mobile terminal is improved, and the loss caused by head and hand is reduced to a certain extent.

Mobile terminal

The present disclosure discloses an ultra-wideband antenna, including: a coplanar waveguide feeder connected to a Radio Frequency (RF) excitation port on the PCB substrate at one end and to a tapering supporting arm at the other end; the tapering supporting arm connected to the coplanar waveguide feeder at one end and to a primary radiating closed-band-shaped monopole at the other end; the primary radiating closed-band-shaped monopole connected to the tapering supporting arm; a primary coupling patch located in the area closed by the closed band of the primary radiating closed-band-shaped monopole; a secondary radiating closed-band-shaped monopole connected to the primary radiating closed-band-shaped monopole through a metallic via; and a secondary coupling patch located in the area closed by the closed band of the secondary radiating closed-band-shaped monopole. The present disclosure also discloses an ultra-wideband terminal. With the antenna and the terminal of the present disclosure, space usage is reduced, facilitating development of an ultrathin terminal and widening bandwidth, and thus allowing the terminal to operate in the range of an ultrawide band.

Ultra-wideband antenna and terminal

A slide type mobile terminal and a method for processing signals thereof are disclosed in the present invention, wherein, a built-in auxiliary antenna is installed in an upper slide portion () of the slide type mobile terminal, meanwhile corresponding signal conversion modules () are added to the upper slide portion () and a lower slide portion () respectively, which is used for converting an external high-frequency signal received by the built-in auxiliary antenna or an internal high-frequency signal generated by a main printed circuit board (PCB) from a single-ended signal to a differential signal, which are transmitted between the upper slide portion () and the lower slide portion () by a flexible printed circuit board (FPC) (), so that the high-frequency signal is transmitted between the upper slide portion () and the lower slide portion () in form of differential signal.

Slide-type mobile terminal and signal processing method thereof

The present invention discloses a GSM/CDMA dual-mode mobile phone and method of the same for inhibiting a GC mutual interference, wherein the mobile phone comprises a dual-port antenna connected respectively with a duplexer and a GSM RF circuit and configured to access the signals of the GSM and the CDMA; a RF switch provided in the CDMA RF receiving circuit, wherein the RF switch is controlled by a GSM baseband chip and configured to cut off a CDMA signal (i.e., cutting off a receiving path of the CDMA) transmitted/received by the dual-port antenna when a GSM operational frequency and a CDMA operational frequency belong to close frequency band during a transmitting timeslot of the GSM, to enhance the isolation between a GSM signal and a CDMA signal. The present invention inhibits interference of GSM transmission with the CDMA receiving in the circuit, achieves high isolation, and also simplifies design of the antennas, lowers requirements of the double antennas on the appearance and volume of the overall machine, and improves the flexibility in the design of the dual-mode mobile phone.

Growing community of inventors

Shenzhen, China

Shougang Cheng