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Data transmission method and device

A data transmission method and data technology, applied in the field of communication, can solve problems such as waste of resources

Active Publication Date: 2019-04-02
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In related technologies, if the current TA of the user end has expired, the base station will still reserve resources for the user end, resulting in a waste of resources

Method used

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  • Data transmission method and device
  • Data transmission method and device
  • Data transmission method and device

Examples

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Embodiment Construction

[0168] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0169] The terminology used in the present disclosure is for the purpose of describing particular embodiments only, and is not intended to limit the present disclosure. As used in this disclosure and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the ...

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Abstract

The present disclosure provides a data transmission method and a data transmission apparatus, wherein the method includes: detecting a current transmission time advance amount TA in a target time unitto obtain a detection result; if the detection result is indicated If the current TA has failed, at least one of a random access signal and a target notification message is sent to the one base station. The disclosure allows the user to detect in advance whether the current TA is invalid. When the current TA has failed, the base station configures a new TA for the UE, and the base station no longer reserves the third target resource for the UE, thereby saving resources in the Internet of Things.

Description

technical field [0001] The present disclosure relates to the communication field, and in particular, to a data transmission method and device. Background technique [0002] The traditional LTE (Long Term Evolution, long-term evolution) data transmission process can be as follows Figure 1A As shown, the user end needs to complete the random access process first, and can send uplink data to the base station only after obtaining authorization from the base station. However, in the scenario of the Internet of Things of the NR (New Radio, new air interface) system, the random access process will bring huge signaling overhead. Therefore, the authorization-free method can be adopted, and no random access core is required to receive uplink authorization, and the user end automatically transmits uplink data on the reserved resources according to the preset method, such as Figure 1B shown. Thereby reducing signaling overhead and avoiding power waste. [0003] Considering that mos...

Claims

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Application Information

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IPC IPC(8): H04W56/00H04W72/04H04W74/08H04W74/00
CPCH04W56/0045H04W74/0833H04W74/0866H04W74/006H04W74/004H04W72/23H04W74/002
Inventor 牟勤
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD