Invention Application
US20160126989A1 MULTIPLE ANTENNA INTERFERENCE REJECTION IN ULTRA-WIDEBAND REAL TIME LOCATING SYSTEMS 有权
超宽带实时定位系统中的多个天线干扰抑制

  • Patent Title: MULTIPLE ANTENNA INTERFERENCE REJECTION IN ULTRA-WIDEBAND REAL TIME LOCATING SYSTEMS
  • Patent Title (中): 超宽带实时定位系统中的多个天线干扰抑制
  • Application No.: US14875912
    Application Date: 2015-10-06
  • Publication No.: US20160126989A1
    Publication Date: 2016-05-05
  • Inventor: Edward A. Richley
  • Applicant: ZIH Corp.
  • Main IPC: H04B1/10
  • IPC: H04B1/10 H04B1/719 H04B1/7163
MULTIPLE ANTENNA INTERFERENCE REJECTION IN ULTRA-WIDEBAND REAL TIME LOCATING SYSTEMS
Abstract:
Systems, methods, apparatuses, and computer readable media are disclosed for providing interference rejection in ultra-wideband real time locating systems. In one embodiment, an ultra-wideband (UWB) receiver is configured to: receive an interference signal from a source positioned outside a monitored region; receive a composite signal transmitted from a tagged object moving about a playing field within the monitored region, wherein the composite signal comprises a location signal and a component of the interference signal; detect whether the component of the interference signal exceeds a threshold value; and adjust, via a processor, filtering of the composite signal to attenuate the component of the interference signal based on whether the component of the interference signal exceeds the threshold value. Some embodiments provide for filtering of the composite signal using a combiner while others employ a tunable notch filter. Corresponding systems, methods, and computer-readable storage medium are also provided.
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