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Facilitating signaling and transmission protocols for enhanced beam management for initial access

  • US 9,949,298 B1
  • Filed: 05/04/2017
  • Issued: 04/17/2018
  • Est. Priority Date: 05/04/2017
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving, by a base station device comprising a processor from a mobile device, a message indicating first beam information for a selected first beam of beams associated with the base station device and indicating second beam information for a selected second beam of the beams associated with the base station device, wherein the selected second beam is an alternative to the selected first beam for transmission of downlink data to the mobile device from the base station device, wherein receiving the message comprises receiving the message as a first message of a multi-step random access channel procedure, wherein the first message comprises a random access preamble and further comprises a device identification message; and

    in response to the receiving the beam information, facilitating transmitting, by the base station device to the mobile device, a random access channel response as a second message of the two step random access channel procedure.

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