A method for selecting a relay terminal and the terminal
A terminal and remote terminal technology, applied in the field of wireless communication, can solve problems such as the unreasonable selection method of relay terminals, and achieve the effect of saving energy consumption and reducing the occupancy rate of air interface resources
Active Publication Date: 2022-04-15
CHINA MOBILE COMM LTD RES INST +1
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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
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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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The present invention provides a method for selecting a relay terminal and a terminal, which belong to the technical field of wireless communication, wherein the method for selecting a relay terminal is applied to a terminal, and includes: a first determining step: if the terminal meets the selection criteria for a remote terminal, Determine to become a remote terminal; measuring step: measure the candidate relay terminal in the terminal queue, generate candidate information and broadcast it according to the measurement result; receiving step: receive candidate information broadcast by other remote terminals in the terminal queue; second Determining step: Obtain the final determined relay terminal according to the generated and received candidate information. Through the above method, the present invention can combine specific application scenarios to select a suitable relay terminal for the remote terminal, which not only ensures that the remote terminal can receive data normally, but also minimizes the number of relay terminals, which saves energy consumption and reduces Air interface resource occupancy rate.
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...
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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