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Inter-user equipment discovery method, apparatus, and system

  • US 10,097,985 B2
  • Filed: 11/17/2017
  • Issued: 10/09/2018
  • Est. Priority Date: 05/18/2015
  • Status: Active Grant
First Claim
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1. A discovery method comprising:

  • sending, by first user equipment, a discovery request message to a first proximity-based service entity, wherein the discovery request message comprises initial location information of the first user equipment;

    receiving a discovery response message sent by the first proximity-based service entity, wherein the discovery response message comprises a first code word of the first user equipment;

    obtaining location offset information of the first user equipment;

    generating a discovery message according to the location offset information and the first code word, wherein the location offset information is an offset between a current location and an initial location of the first user equipment; and

    broadcasting the discovery message, wherein the discovery message is used by a second user equipment to determine a location of the first user equipment according to the initial location information and the location offset information after obtaining the initial location information and the location offset information.

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