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    • 4. 发明授权
    • Method and apparatus for operating a dual-mode radio in a wireless communication system
    • 在无线通信系统中操作双模无线电的方法和装置
    • US06978121B1
    • 2005-12-20
    • US10288209
    • 2002-11-05
    • Mark LaneTerrance Raymond BourkGlenn MurphyDavid Akira Yamasaki
    • Mark LaneTerrance Raymond BourkGlenn MurphyDavid Akira Yamasaki
    • H04B1/38H04B1/40
    • H04B1/406
    • The present invention is a method and apparatus for operating a dual-mode radio (DMR) in a wireless communication system. The present invention provides “coexistence” or cooperation of Bluetooth™ and 802.11 devices operating in close proximity to each other within a DMR. The present inventive method and apparatus reduces reception errors and prevents saturation of the Bluetooth™ devices caused by 802.11 transmissions. The present inventive antenna switching method provides a means for coupling multiple antennas to Bluetooth™ and 802.11 transmit and receive devices. Saturation of the Bluetooth™ receive devices is prevented by electrically isolating the Bluetooth™ receive devices from antennas used by the 802.11 device during 802.11 transmissions. The antenna switching apparatus includes a plurality of switches capable of selectively coupling and decoupling first and second antennas to an 802.11 and a Bluetooth™ device.
    • 本发明是一种用于在无线通信系统中操作双模无线电(DMR)的方法和装置。 本发明提供了在DMR内彼此靠近操作的蓝牙TM和802.11设备的“共存”或协作。 本发明的方法和装置减少了接收错误并且防止由802.11传输引起的蓝牙TM设备的饱和。 本发明的天线切换方法提供了一种用于将多个天线耦合到蓝牙TM和802.11发射和接收设备的装置。 通过在802.11传输期间将蓝牙TM接收设备与802.11设备使用的天线电隔离来防止蓝牙TM接收设备的饱和度。 天线切换装置包括能够选择性地将第一和第二天线耦合到802.11和Bluetooth TM设备的多个开关。