Adaptive matching RF architecture and associated matching method

    公开(公告)号:US09941920B2

    公开(公告)日:2018-04-10

    申请号:US14902071

    申请日:2015-02-09

    Inventor: Jian Bai

    CPC classification number: H04B1/40 H03H7/40 H04B1/0458 H04B1/18 H04W16/18

    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.

    Method and system for testing isotropic sensitivity of a terminal
    2.
    发明授权
    Method and system for testing isotropic sensitivity of a terminal 有权
    终端各向同性灵敏度测试方法和系统

    公开(公告)号:US09236959B2

    公开(公告)日:2016-01-12

    申请号:US14433219

    申请日:2013-08-20

    Inventor: Jian Bai

    CPC classification number: H04B17/102 H04B7/10 H04B17/29 H04B17/318 H04W88/02

    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 translation: 公开了一种用于测试终端的各向同性灵敏度的方法和系统,包括:在每个θ/ phi角和天线极化方向上测试终端的接收信号强度,并产生接收信号强度模式和表 基站功率和终端的接收信号强度; 找到最好的theta / phi角和天线极化方向,并测试相应的有效各向同性灵敏度; 在其他theta / phi角和偏振方向计算有效的各向同性灵敏度,并对其进行积分以获得终端的各向同性灵敏度。 因此,本发明能够有效地减少检测时间,提高检测效率。

    GPS OTA testing method and system

    公开(公告)号:US09715018B2

    公开(公告)日:2017-07-25

    申请号:US14403393

    申请日:2013-08-20

    Inventor: Jian Bai

    CPC classification number: G01S19/23 G01R29/105 G01S19/36 H04B7/10 H04B17/318

    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.

    MOBILE COMMUNICATION TERMINAL
    4.
    发明申请
    MOBILE COMMUNICATION TERMINAL 审中-公开
    移动通信终端

    公开(公告)号:US20150043620A1

    公开(公告)日:2015-02-12

    申请号:US14376582

    申请日:2013-03-06

    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 translation: 提供了一种移动通信终端,其包括:第一天线,被配置为从外部接收高频带射频(RF)信号; 无线收发器,被配置为从所述第一天线获取所述高频带RF信号并产生第一基带信号; 基带处理器,被配置为从无线收发器获取第一基带信号并调制第一基带信号,并进一步产生第二基带信号和第三基带信号; 所述无线收发器还被配置为将所述第二基带信号转换为待发送的高频带RF信号,并将所述第三基带信号转换为待发送的低频带RF信号; 第二天线,被配置为获取并发送待发送的高频带RF信号和待发送的低频带RF信号; 其中所述第二天线还被配置为从外部接收低频RF信号。 以上述方式,可以减少由发送路径引起的接收频带的噪声,能够进一步降低系统的功耗和发热量。 同时,射频架构简化,可以获得低成本,更紧凑的空间。

    Antenna test methods and apparatuses for mobile terminals

    公开(公告)号:US10277337B2

    公开(公告)日:2019-04-30

    申请号:US15119851

    申请日:2015-10-20

    Inventor: Jian Bai

    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).

    ANTENNA TEST METHODS AND APPARATUSES FOR MOBILE TERMINALS

    公开(公告)号:US20180183530A1

    公开(公告)日:2018-06-28

    申请号:US15119851

    申请日:2015-10-20

    Inventor: Jian Bai

    CPC classification number: H04B17/12 G01R29/105 H04B17/309

    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).

    METHOD AND SYSTEM FOR TESTING ISOTROPIC SENSITIVITY OF A TERMINAL
    7.
    发明申请
    METHOD AND SYSTEM FOR TESTING ISOTROPIC SENSITIVITY OF A TERMINAL 有权
    用于测试端子等效灵敏度的方法和系统

    公开(公告)号:US20150263815A1

    公开(公告)日:2015-09-17

    申请号:US14433219

    申请日:2013-08-20

    Inventor: Jian Bai

    CPC classification number: H04B17/102 H04B7/10 H04B17/29 H04B17/318 H04W88/02

    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.

    Abstract translation: 公开了一种用于测试终端的各向同性灵敏度的方法和系统,包括:在每个θ/ phi角和天线极化方向上测试终端的接收信号强度,并产生接收信号强度模式和表 基站功率和终端的接收信号强度; 找到最好的theta / phi角和天线极化方向,并测试相应的有效各向同性灵敏度; 在其他theta / phi角和偏振方向计算有效的各向同性灵敏度,并对其进行积分以获得终端的各向同性灵敏度。 因此,本发明能够有效地减少检测时间,提高检测效率。

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