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Beam steering techniques for external antenna configurations

  • US 10,313,894 B1
  • Filed: 09/19/2016
  • Issued: 06/04/2019
  • Est. Priority Date: 09/17/2015
  • Status: Active Grant
First Claim
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1. A wireless communication device, comprising:

  • at least one external antenna module;

    the external antenna module comprising two or more multi-mode antennas enclosed therein;

    each multi-mode antennas comprising;

    a radiating antenna element,a parasitic element positioned adjacent to the radiating antenna element,a radio frequency (RF) integrated circuit coupled to the parasitic element,a reference ground, wherein each of the radiating antenna element and the parasitic element are coupled to the reference ground,an RF transmission line coupled to the radiating antenna element and configured to receive RF signals from a transceiver, anda control transmission line coupled to the RF integrated circuit and configured to receive control signals from an application processor;

    wherein the application processor is configured to sample a signal metric and to determine a selected mode from a set of modes for configuring each of the multi-mode antennas of the external antenna module, wherein each mode in the set of modes is associated with a different radiation pattern for the multi-mode antenna;

    wherein the application processor is configured to eliminate at least one mode of the set of modes in determining the selected mode based at least in part on an orientation of the external antenna module, wherein the at least one mode is eliminated by removing the at least one mode from the set of modes that are considered in determining the selected mode.

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