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Network discovery and beam acquisition in 5G rat beam cell operation

  • US 10,523,304 B2
  • Filed: 12/24/2015
  • Issued: 12/31/2019
  • Est. Priority Date: 07/31/2015
  • Status: Active Grant
First Claim
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1. An apparatus of a user equipment (UE), the UE configured for discovering a network, the apparatus comprising one or more processors and memory configured to:

  • process signals, received from a base station, including a first synchronization signal (SS) and a second SS, wherein the first SS and the second SS are beamformed with a plurality of transmit beams and transmitted on a plurality of subbands in a first set of symbols, for the first SS, and a second set of symbols, for the second SS;

    detect the first SS in the first set of symbols, and measure beam qualities of the plurality of transmit beams on the plurality of subbands in at least one of the first set of symbols or the second set of symbols;

    select one or more transmit beams from the plurality of transmit beams and corresponding one or more subbands from the plurality of subbands, based on the measured beam qualities; and

    detect the second SS on the selected one or more subbands in the second set of symbols, wherein each of plurality of subbands in the first and second sets of symbols is associated with one of the plurality of transmit beams.

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