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Method and device for transmitting information through synchronous channel, information detecting method of synchronous channel and information detecting device of synchronous channel

A technology for synchronizing channels and synchronizing information, which is applied in the field of communication and can solve problems such as the inconsistency of synchronization channels

Active Publication Date: 2016-01-20
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the synchronization channel of an in-coverage UE needs to carry resource configuration information and synchronization information; an out-of-coverage UE that is synchronized with the network usually needs to carry network-related synchronization information; an out-of-coverage UE that is synchronized with an independent synchronization source usually needs to carry information related to the independent synchronization source. synchronization information, resulting in their synchronization channels may carry information in different formats

Method used

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  • Method and device for transmitting information through synchronous channel, information detecting method of synchronous channel and information detecting device of synchronous channel
  • Method and device for transmitting information through synchronous channel, information detecting method of synchronous channel and information detecting device of synchronous channel
  • Method and device for transmitting information through synchronous channel, information detecting method of synchronous channel and information detecting device of synchronous channel

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Embodiment 1

[0322] The UE at the sending end is the D2D UE at the sending end, and the UE at the receiving end is the D2D UE at the receiving end.

[0323] The sending end UE sends a D2D synchronization signal, the D2D synchronization signal includes a primary synchronization sequence and a secondary synchronization sequence, and the sending end UE indicates the information format of the synchronization channel corresponding to the synchronization signal through the primary synchronization ID. The corresponding relationship is as follows:

[0324] If the information format of the D2D synchronization channel is format 1, that is, the length is A and contains the following information, the primary synchronization ID is 0:

[0325]

[0326] If the information format of the D2D synchronization channel is format 2, that is, the length is B and contains the following information, the primary synchronization ID is 1:

[0327]

[0328] If the information format of the D2D synchronization c...

Embodiment 2

[0339] The UE at the sending end is the D2D UE at the sending end, and the UE at the receiving end is the D2D UE at the receiving end.

[0340] The sending end UE sends a D2D synchronization signal, and the D2D synchronization signal includes a primary synchronization sequence and a secondary synchronization sequence. The UE at the sending end indicates its own synchronization source type through the root index of the primary synchronization sequence, where the mapping relationship between the root index and the synchronization source type is as follows:

[0341]

[0342] Among them, the information format of the synchronization channel corresponding to the synchronization source type and the synchronization signal has an agreed corresponding relationship as follows:

[0343] If the synchronization source type is a UE within network coverage, the information of the D2D synchronization channel is information format 4, which includes the following information:

[0344]

...

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Abstract

The invention discloses a method and a device for transmitting information through a synchronous channel, an information detecting method of the synchronous channel and an information detecting device of the synchronous channel. According to the invention, UE (User Equipment) at a receiving end is enabled to obtain an information format in a synchronous channel which corresponds to a synchronous signal sent by UE at a sending end, and the UE at the receiving end is further enabled to detect and obtain information in the synchronous channel which corresponds to the synchronous signal based on the information format. The method for transmitting the information through the synchronous channel comprises the steps of sending the synchronous signal by the UE at the sending end, wherein the information carried by the synchronous signal comprises indication information of the information format in the synchronous channel which corresponds to the synchronous signal; and by the UE at the sending end, determining the synchronous channel which corresponds to the synchronous signal and sending the information to the UE at the receiving end through the synchronous channel by adopting the information format.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for transmitting information through a synchronous channel, and a method and device for detecting information of a synchronous channel. Background technique [0002] During a device-to-device (Device-to-Device, D2D) communication process, different types of D2D user equipment (User Equipment, UE) usually carry different information in a synchronization channel. At the receiving end, if the UE does not know the type of the synchronization source UE that transmits information on the synchronization channel, it cannot know which format is used to detect the synchronization channel, and the meaning of the information in the detected synchronization channel is also unclear. [0003] A detailed introduction of the prior art is given below. [0004] D2D is the terminal direct technology, which refers to the way that adjacent terminals can transmit dat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W56/00
Inventor 陈文洪
Owner DATANG MOBILE COMM EQUIP CO LTD