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    • 1. 发明授权
    • Tunable inter-antenna isolation
    • 可调谐天线间隔离
    • US09531418B2
    • 2016-12-27
    • US13568158
    • 2012-08-07
    • William P. Alberth, Jr.Gregory R. BlackArmin W. Klomsdorf
    • William P. Alberth, Jr.Gregory R. BlackArmin W. Klomsdorf
    • H04B1/18H04B1/525
    • H04B1/18H04B1/525
    • A method and system performs antenna tuning to minimize interference affecting signal reception within a wireless communication device. An antenna tuner controller determines whether the wireless communication device concurrently provides (a) simultaneous signal transmission and reception and (b) dual signal propagation. In response to determining that the wireless communication device concurrently provides the simultaneous signal transmission and reception and the dual signal propagation, the antenna tuner controller determines a current mode of operation corresponding to simultaneous signal transmission and reception and the dual signal propagation. Based on the mode of operation determined, the antenna tuner controller identifies a priority for performing antenna isolation to minimize interference affecting signal reception when the wireless communication device actively communicates within the specific mode of operation. In response to the identifying the priority for performing antenna isolation, the antenna tuner controller performs antenna impedance tuning that provides antenna isolation corresponding to the priority.
    • 方法和系统执行天线调谐以最小化在无线通信设备内影响信号接收的干扰。 天线调谐器控制器确定无线通信设备是否同时提供(a)同时信号发送和接收以及(b)双信号传播。 响应于确定无线通信设备同时提供同时信号发送和接收以及双信号传​​播,天线调谐器控制器确定与同时信号发送和接收以及双信号传​​播相对应的当前操作模式。 基于确定的操作模式,天线调谐器控制器识别执行天线隔离的优先级,以在无线通信设备在特定操作模式下主动通信时,最小化影响信号接收的干扰。 响应于识别执行天线隔离的优先级,天线调谐器控制器执行提供对应于优先级的天线隔离的天线阻抗调谐。
    • 3. 发明授权
    • Method for automatic frequency correction in a multi-carrier communications device
    • 多载波通信设备中自动频率校正的方法
    • US08923778B2
    • 2014-12-30
    • US13589503
    • 2012-08-20
    • Armin W. KlomsdorfWilliam P. Alberth, Jr.Gregory R. Black
    • Armin W. KlomsdorfWilliam P. Alberth, Jr.Gregory R. Black
    • H04B1/40H04M1/00
    • H03J7/04
    • A method and system provides an automatic frequency correction (AFC) within a wireless communication device. A synchronization controller estimates first and second frequency errors respectively associated with a first received signal corresponding to a first receiver path and a second received signal corresponding to a second receiver path. The synchronization controller determines a value and a type of target clock of a first AFC associated with the first frequency error. If the first AFC is not generated to target a shared clock such as a reference clock, the synchronization controller generates a second AFC to compensate for the second frequency error. However, if it is determined that the first AFC targets a shared clock, the synchronization controller generates the second AFC to compensate for the first AFC and the second frequency error. The synchronization controller synchronously applies the first and second AFCs to the relevant clocks.
    • 方法和系统在无线通信设备内提供自动频率校正(AFC)。 同步控制器估计分别与对应于第一接收机路径的第一接收信号和对应于第二接收机路径的第二接收信号相关联的第一和第二频率误差。 同步控制器确定与第一频率误差相关联的第一AFC的目标时钟的值和类型。 如果不生成第一个AFC来定向诸如参考时钟的共享时钟,则同步控制器产生第二个AFC来补偿第二个频率误差。 然而,如果确定第一AFC针对共享时钟,则同步控制器生成第二AFC以补偿第一AFC和第二频率误差。 同步控制器同步地将第一和第二AFC应用于相关时钟。
    • 4. 发明授权
    • Method and apparatus for compensating for phase shift in a communication device
    • 用于补偿通信设备中的相移的方法和装置
    • US09281849B2
    • 2016-03-08
    • US13478811
    • 2012-05-23
    • Gregory R. BlackArmin W. KlomsdorfWilliam P. Alberth, Jr.
    • Gregory R. BlackArmin W. KlomsdorfWilliam P. Alberth, Jr.
    • H04L27/28H04B1/04H04B1/18
    • H04B1/0458H04B1/18
    • A method and apparatus for compensating is described, in which a tuning network is electrically coupled to an antenna and to a phase shift network. Baseband signals travel to and from the phase shift network. A controller communicatively linked to the tuning network and to the phase shift network receives data regarding the state of a communication device. The controller changes the impedance of the tuning network, and changes the phase shift of the phase shift network based on the received data. The received data may include information regarding the channel, band, or sub-band on which a communication device is communicating; information regarding on the application state of the device; information regarding the modulator and demodulator state of the device; and information regarding the state of the communication device's antenna.
    • 描述了一种用于补偿的方法和装置,其中调谐网络电耦合到天线和相移网络。 基带信号往返于相移网络。 通信地链接到调谐网络和相移网络的控制器接收关于通信设备的状态的数据。 控制器改变调谐网络的阻抗,并根据接收的数据改变相移网络的相移。 所接收的数据可以包括关于通信设备正在通信的信道,频带或子带的信息; 关于设备的应用状态的信息; 关于装置的调制器和解调器状态的信息; 以及关于通信设备的天线的状态的信息。
    • 5. 发明申请
    • METHOD FOR AUTOMATIC FREQUENCY CORRECTION IN A MULTI-CARRIER COMMUNICATIONS DEVICE
    • 多载波通信设备中自动频率校正的方法
    • US20140051366A1
    • 2014-02-20
    • US13589503
    • 2012-08-20
    • Armin W. KlomsdorfWilliam P. Alberth, JR.Gregory R. Black
    • Armin W. KlomsdorfWilliam P. Alberth, JR.Gregory R. Black
    • H04L7/00H04B1/40
    • H03J7/04
    • A method and system provides an automatic frequency correction (AFC) within a wireless communication device. A synchronization controller estimates first and second frequency errors respectively associated with a first received signal corresponding to a first receiver path and a second received signal corresponding to a second receiver path. The synchronization controller determines a value and a type of target clock of a first AFC associated with the first frequency error. If the first AFC is not generated to target a shared clock such as a reference clock, the synchronization controller generates a second AFC to compensate for the second frequency error. However, if it is determined that the first AFC targets a shared clock, the synchronization controller generates the second AFC to compensate for the first AFC and the second frequency error. The synchronization controller synchronously applies the first and second AFCs to the relevant clocks.
    • 方法和系统在无线通信设备内提供自动频率校正(AFC)。 同步控制器估计分别与对应于第一接收机路径的第一接收信号和对应于第二接收机路径的第二接收信号相关联的第一和第二频率误差。 同步控制器确定与第一频率误差相关联的第一AFC的目标时钟的值和类型。 如果不生成第一个AFC来定向诸如参考时钟的共享时钟,则同步控制器产生第二个AFC来补偿第二个频率误差。 然而,如果确定第一AFC针对共享时钟,则同步控制器生成第二AFC以补偿第一AFC和第二频率误差。 同步控制器同步地将第一和第二AFC应用于相关时钟。
    • 6. 发明申请
    • TUNABLE INTER-ANTENNA ISOLATION
    • TUNNABLE内分离分离
    • US20140044021A1
    • 2014-02-13
    • US13568158
    • 2012-08-07
    • William P. Alberth, JR.Gregory R. BlackArmin W. Klomsdorf
    • William P. Alberth, JR.Gregory R. BlackArmin W. Klomsdorf
    • H04B1/44
    • H04B1/18H04B1/525
    • A method and system performs antenna tuning to minimize interference affecting signal reception within a wireless communication device. An antenna tuner controller determines whether the wireless communication device concurrently provides (a) simultaneous signal transmission and reception and (b) dual signal propagation. In response to determining that the wireless communication device concurrently provides the simultaneous signal transmission and reception and the dual signal propagation, the antenna tuner controller determines a current mode of operation corresponding to simultaneous signal transmission and reception and the dual signal propagation. Based on the mode of operation determined, the antenna tuner controller identifies a priority for performing antenna isolation to minimize interference affecting signal reception when the wireless communication device actively communicates within the specific mode of operation. In response to the identifying the priority for performing antenna isolation, the antenna tuner controller performs antenna impedance tuning that provides antenna isolation corresponding to the priority.
    • 方法和系统执行天线调谐以最小化在无线通信设备内影响信号接收的干扰。 天线调谐器控制器确定无线通信设备是否同时提供(a)同时信号发送和接收以及(b)双信号传播。 响应于确定无线通信设备同时提供同时信号发送和接收以及双信号传​​播,天线调谐器控制器确定与同时信号发送和接收以及双信号传​​播相对应的当前操作模式。 基于确定的操作模式,天线调谐器控制器识别执行天线隔离的优先级,以在无线通信设备在特定操作模式下主动通信时,最小化影响信号接收的干扰。 响应于识别执行天线隔离的优先级,天线调谐器控制器执行提供对应于优先级的天线隔离的天线阻抗调谐。
    • 10. 发明申请
    • METHOD FOR SIMULTANEOUS TRANSMITTER OPERATION
    • 同时发射机运行方法
    • US20140051373A1
    • 2014-02-20
    • US13586993
    • 2012-08-16
    • Armin W. KlomsdorfGregory R. BlackRyan J. Goedken
    • Armin W. KlomsdorfGregory R. BlackRyan J. Goedken
    • H04W24/00
    • H04B1/0475H04B1/525
    • A method and system mitigates receiver desensitization caused by a reverse inter-modulation distortion (IMD) signal generated by a power amplifier associated with one of at least two concurrently operating transmitters. A power amplifier controller (PAC) determines whether at least one power amplifier operating in a first operating state generates a reverse IMD signal that can substantially interfere with at least one receive channel due to a concurrent operation of at least two concurrently operating transmitters. In response to determining that at least one power amplifier generates the reverse IMD signal when in the first operating state, the PAC initiates a second operating state of the power amplifier to increase the linearity of the at least one power amplifier in order to reduce the reverse IMD signal. The PAC initiates the second operating state by adjusting parameters of the power amplifier.
    • 一种方法和系统减轻了由与至少两个同时操作的发射机之一相关联的功率放大器产生的反向互调失真(IMD)信号引起的接收机脱敏。 功率放大器控制器(PAC)确定在第一操作状态下操作的至少一个功率放大器是否产生由于至少两个并发操作的发射机的同时操作而能够显着干扰至少一个接收信道的反向IMD信号。 响应于在处于第一操作状态时确定至少一个功率放大器产生反向IMD信号,PAC启动功率放大器的第二操作状态以增加至少一个功率放大器的线性度,以便减少相反 IMD信号。 PAC通过调整功率放大器的参数来启动第二个操作状态。