Abstract:
An adaptive matching RF architecture and an associated matching method are provided. The RF architecture comprises a power amplifier module, a receiving module, an antenna, an RF processing module, a baseband control module and at least one adjustable matching network module, the at least one adjustable matching network module being connected between the power amplifier module and the RF processing module, and/or between the receiving module and the RF processing module, and/or between the antenna and the RF processing module. The baseband control module is pre-stored with multiple matching values corresponding to multiple different application scenarios, the matching values of the at least one adjustable network module being applied based on the application scenarios to attain the optimum RF performance.
Abstract:
Disclosed are a method and system for testing the isotropic sensitivity of a terminal, comprising: testing the received signal strength of a terminal at every theta/phi angle and antenna polarization direction, and generating a received signal strength pattern and a table of the correspondence between base station power and the received signal strength of the terminal; finding the best theta/phi angle and antenna polarization direction and testing the corresponding effective isotropic sensitivity; calculating the effective isotropic sensitivity at other theta/phi angles and polarization directions and integrating these to obtain the isotropic sensitivity of the terminal. The present invention thereby effectively reduces testing time and improves testing efficiency.
Abstract:
A GPS OTA testing method and system is provided. The GPS OTA testing method comprises: placing a terminal under test on a rotating table in a darkroom, and generating a GPS signal by a GPS satellite signal generator in the darkroom; acquiring the satellite signal strength at each of the angles and in each of the polarization directions, and forming a signal strength direction map; searching for an optimal angle and an optimal polarization direction and acquiring a sensitivity corresponding to the optical angle and the optimal polarization direction; and acquiring a sensitivity at each of the angles and in each of the polarization directions according to the sensitivity corresponding to the optimal angle and the optimal polarization direction and according to the signal strength direction map and integrating the sensitivities to acquire an antenna signal strength.
Abstract:
A mobile communication terminal is provided, which comprises: a first antenna, configured to receive a high-band radio frequency (RF) signal from the outside; a wireless transceiver, configured to acquire the high-band RF signal from the first antenna and generate a first base-band signal; a base-band processor, configured to acquire the first base-band signal from the wireless transceiver and modulate the first base-band signal, and further generate a second base-band signal and a third base-band signal; the wireless transceiver being further configured to convert the second base-band signal into a to-be-transmitted high-band RF signal and convert the third base-band signal into a to-be-transmitted low-band RF signal; a second antenna, configured to acquire and transmit the to-be-transmitted high-band RF signal and the to-be-transmitted low-band RF signal; wherein the second antenna is further configured to receive a low-band RF signal from the outside. In the aforesaid way, noises caused in the receiving frequency band by the transmitting path can be reduced, and the power consumption and the heat generation amount of the system can be further decreased. Meanwhile, the radio frequency architecture is simplified, and a low-cost and more compact space can be obtained.
Abstract:
An antenna test method and apparatus are disclosed. The antenna test method includes: A, placing a mobile terminal on a turntable in an anechoic chamber, and connecting the mobile terminal to a base station emulator via an anechoic chamber communication antenna; B, moving by the turntable sequentially to multiple theta and phi angles, transmitting by the base station emulator signals to the mobile terminal via an anechoic chamber measurement antenna, and receiving and decoding by the mobile terminal the signals and transmitting them back to the base station emulator, to obtain the horizontal and vertical polarization data of the anechoic chamber measurement antenna at steps of a first angle; C, performing interpolations to calculate the corresponding data at steps of a second angle as the step converts from the first angle to the second angle, and using the derived data to calculate the Total Isotropic Sensitivity (TIS).
Abstract:
An antenna test method and apparatus are disclosed. The antenna test method includes: A, placing a mobile terminal on a turntable in an anechoic chamber, and connecting the mobile terminal to a base station emulator via an anechoic chamber communication antenna; B, moving by the turntable sequentially to multiple theta and phi angles, transmitting by the base station emulator signals to the mobile terminal via an anechoic chamber measurement antenna, and receiving and decoding by the mobile terminal the signals and transmitting them back to the base station emulator, to obtain the horizontal and vertical polarization data of the anechoic chamber measurement antenna at steps of a first angle; C, performing interpolations to calculate the corresponding data at steps of a second angle as the step converts from the first angle to the second angle, and using the derived data to calculate the Total Isotropic Sensitivity (TIS).
Abstract:
Disclosed are a method and system for testing the isotropic sensitivity of a terminal, comprising: testing the received signal strength of a terminal at every theta/phi angle and antenna polarisation direction, and generating a received signal strength pattern and a table of the correspondence between base station power and the received signal strength of the terminal; finding the best theta/phi angle and antenna polarisation direction and testing the corresponding effective isotropic sensitivity; calculating the effective isotropic sensitivity at other theta/phi angles and polarisation directions and integrating these to obtain the isotropic sensitivity of the terminal. The present invention thereby effectively reduces testing time and improves testing efficiency.