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A data transmission method and device

A data transmission method and data technology, applied in the field of communication, can solve the problems of inability to meet the higher requirements of wireless communication system transmission delay, and achieve the effect of reducing uplink transmission delay

Active Publication Date: 2021-06-01
HUAWEI TECH CO LTD
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  • Claims
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Problems solved by technology

Therefore, the uplink transmission delay of the user terminal still needs to be further reduced, which still cannot meet the higher requirements of the wireless communication system for transmission delay, and still needs to be further reduced

Method used

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  • A data transmission method and device
  • A data transmission method and device
  • A data transmission method and device

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Embodiment Construction

[0083] In order to make the purpose, technical solution and advantages of the application clearer, the application will be further described in detail below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0084] The embodiments of the present application are applicable to wireless communication systems, especially to Long Term Evolution (Long Term Evolution, LTE) systems, and are suitable for processing data transmission scenarios with low delay requirements.

[0085] In order to further reduce the uplink transmission delay of the user terminal, the embodiment of the present application adopts a short-period SPS resource allocation mode, that is, adopts a method of short...

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Abstract

A data transmission method and device, which are used to reduce the uplink transmission delay of a user terminal and improve the utilization rate of system resources. The method is as follows: the base station notifies the user terminal of the semi-persistent scheduling SPS period, the SPS period is a short period, the base station allocates a first SPS resource for the user terminal, and receives the user terminal based on the SPS period, occupying the first SPS The data sent by the resource periodically.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a data transmission method and device. Background technique [0002] The long-term evolution (English: Long Term Evolution, abbreviation: LTE) communication system has the characteristics of high transmission rate and short communication delay. Latency puts forward higher requirements. [0003] The existing semi-persistent scheduling (English: Semi Persistent Scheduling, abbreviation: SPS) scheduling method does not require (English: User Equipment, abbreviation: user terminal) application, and does not require the user terminal to send a cache status report. The base station directly periodically Providing uplink resources to user terminals reduces transmission delay to a certain extent. However, in the traditional SPS, one SPS period is generally set to be at least 10 ms, that is, 10 subframes, and the user terminal only has a transmission opportunity i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/18
CPCH04W72/23H04W72/21H04W76/27H04L5/0055H04W28/0278
Inventor 唐珣权威李秉肇
Owner HUAWEI TECH CO LTD
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