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Method and apparatus for transmitting reference signal in device-to-device (D2D) communication

  • US 10,630,439 B2
  • Filed: 03/05/2015
  • Issued: 04/21/2020
  • Est. Priority Date: 09/06/2012
  • Status: Active Grant
First Claim
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1. A method for transmitting a reference signal in device-to-device (D2D) communication, the method comprising:

  • determining, by a first user equipment, a target resource based on a predetermined function of at least one of first characteristic information of the first user equipment or second characteristic information of a second user equipment, wherein the target resource comprises at least one of a time domain resource, a frequency domain resource, a space domain resource, or a code domain resource, wherein determining the target resource comprises determining a characteristic parameter S, wherein S=f(X1) when only the first characteristic information is used to determine the target resource, wherein S=f(X2) when only the second characteristic information is used to determine the target resource, wherein S=f(X1, X2) when the first characteristic information and the second characteristic information are used to determine the target resource, wherein X1 is the first characteristic information, and wherein X2 is the second characteristic information; and

    transmitting, by the first user equipment, a reference symbol to a second user equipment using the target resource, wherein the second user equipment performs D2D communication with the first user equipment.

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