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Relay terminal selection method and terminal

A terminal and remote terminal technology, applied in the field of wireless communication, can solve problems such as unreasonable selection methods of relay terminals

Active Publication Date: 2020-07-14
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of this, the present invention provides a method for selecting a relay terminal and a terminal for solving the problem that the current method for selecting a relay terminal is unreasonable

Method used

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  • Relay terminal selection method and terminal
  • Relay terminal selection method and terminal
  • Relay terminal selection method and terminal

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Embodiment Construction

[0080] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention. Apparently, the described embodiments are some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention belong to the protection scope of the present invention.

[0081] see image 3 , image 3 It is a schematic flowchart of a method for selecting a relay terminal according to Embodiment 1 of the present invention. The method is applied to a terminal and includes the following steps:

[0082] Step 31: first determining step: if the terminal meets the selection criteria of the remote terminal, determine to become the remote terminal;

[0083] Step ...

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PUM

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Abstract

The invention provides a relay terminal selection method and a terminal, and belongs to the technical field of wireless communication. The relay terminal selection method is applied to the terminal, and comprises the following steps: a first determination step: if the terminal conforms to a selection criterion of a remote terminal, the terminal is determined to be a remote terminal; a measurementstep: the candidate relay terminals in the terminal queue are measured, candidate information is generated according to a measurement result, and the candidate information is broadcast; a receiving step: candidate information broadcasted by other remote terminals in the terminal queue is received; a second determination: the finally determined relay terminal is obtained according to the generatedand received candidate information. By means of the mode, the appropriate relay terminals can be selected for the remote terminal in combination with a specific application scene, that the remote terminal receives data normally can be guaranteed, the number of the relay terminals is minimum, energy is saved, and the occupancy rate of air interface resources can be reduced.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method for selecting a relay terminal and a terminal. Background technique [0002] In existing standards, Long Term Evolution (LTE)-Vehicle to everything (V2X) technology does not support relay, while Device to Device (D2D) technology supports relay. The existing sidelink relay selection process includes: a terminal (User Equipment, UE) first selects a UE whose Sidelink-Reference Signal Receiving Power (SD-RSRP) is within a certain range as candidates Then randomly select one of the candidate relay terminals as its own relay terminal, and then establish a one-to-one correspondence with the relay terminal. For example, if the SD-RSRP of a terminal satisfies the following requirement: SD-RSRP>qRxLevMin+minHyst, then the terminal can be used as a candidate relay terminal. The remote (Remote) terminal UE1 receives signals from a large number of candidat...

Claims

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Application Information

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IPC IPC(8): H04W4/06H04W4/46H04W4/70H04W24/08H04W24/10H04W40/12H04W40/20H04W40/22H04B17/327H04B17/382
CPCH04W4/06H04W4/46H04W4/70H04W40/22H04W40/20H04W40/12H04W24/08H04W24/10H04B17/327H04B17/382Y02D30/70
Inventor 郭春霞
Owner CHINA MOBILE COMM LTD RES INST