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    • 1. 发明授权
    • Systems and methods for enabling coexistence of multiple wireless components operating in the same frequency band
    • 实现在相同频带中工作的多个无线组件共存的系统和方法
    • US08554270B2
    • 2013-10-08
    • US11838682
    • 2007-08-14
    • Prasanna DesaiKelly CoffeyRobert HulveyMark Gonikberg
    • Prasanna DesaiKelly CoffeyRobert HulveyMark Gonikberg
    • H04M1/00
    • H04W72/1215H04W8/08H04W72/1242H04W88/06
    • Methods and systems for enabling coexistence of multiple potentially interfering wireless components in a device are provided. A device may include a wireless module using a proprietary protocol and one or more modules using standardized protocols. The device further includes a coexistence arbitration module configured to arbitrate access to a shared communication medium among the wireless modules based on assertion of medium access requests by the modules and the associated priority of the asserted medium access requests. When multiple medium access requests have the same priority, precedence for access to the shared medium is determined based on additional criteria. The coexistence arbitration module may be a separate module or may be integrated into another module or distributed among the modules. The device may include a host processor for altering transmission characteristics of a module to increase the likelihood that another module can receive data within a reasonable time period.
    • 提供了用于实现设备中多个潜在干扰无线组件共存的方法和系统。 设备可以包括使用专有协议的无线模块和使用标准化协议的一个或多个模块。 所述设备还包括:共存仲裁模块,被配置为基于所述模块的介质访问请求的断言以及所述被介质访问请求的相关联的优先级来仲裁对所述无线模块之间的共享通信介质的访问。 当多个介质访问请求具有相同的优先级时,基于附加标准来确定访问共享介质的优先级。 共存仲裁模块可以是单独的模块,或者可以集成到另一模块中或分布在模块中。 该设备可以包括用于改变模块的传输特性的主机处理器,以增加另一个模块可以在合理的时间段内接收数据的可能性。
    • 7. 发明申请
    • Radio receiver with shared low noise amplifier for multi-standard operation in a single antenna system
    • 具有共享低噪声放大器的无线电接收器,用于单个天线系统中的多标准操作
    • US20070207751A1
    • 2007-09-06
    • US11711719
    • 2007-02-28
    • Arya BehzadPrasanna DesaiBrima IbrahimMark GonikbergThomas Varghese
    • Arya BehzadPrasanna DesaiBrima IbrahimMark GonikbergThomas Varghese
    • H04B7/08
    • H04B1/406H04B1/18
    • A radio receiver is described that processes multiple wireless standards using a single antenna according to embodiments of the invention. The radio receiver includes a single antenna, and a low noise amplifier that is connected to the antenna, without an intervening power divider or power splitter. The output of the low noise amplifier feeds multiple wireless receivers in a parallel arrangement that are operating according to different communications standards, including for example a Bluetooth receiver, and a WLAN 802.11 receiver. Additional wireless standards and their corresponding receivers could be added as well. The input impedance of the low noise amplifier defines the impedance seen by the antenna, regardless of which operational standard is actually in use. Since the input impedance of the low noise amplifier is substantially independent of whether the Bluetooth or WLAN paths are ON or OFF, simultaneous operation can be accomplished.
    • 描述了根据本发明的实施例的使用单个天线处理多个无线标准的无线电接收机。 无线电接收机包括单个天线和连接到天线的低噪声放大器,而没有中间的功率分配器或功率分配器。 低噪声放大器的输出以并行布置馈送多个无线接收器,该并行装置根据不同的通信标准(例如蓝芽接收机)和WLAN 802.11接收机进行操作。 还可以添加附加的无线标准及其对应的接收器。 低噪声放大器的输入阻抗定义天线所看到的阻抗,无论实际使用哪个操作标准。 由于低噪声放大器的输入阻抗基本上与蓝牙或WLAN路径是ON还是OFF无关,所以可以实现同时的操作。