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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

Inactive Publication Date: 2020-02-18
HUAWEI DEVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] This application provides a data transmission method and device to solve the problem of 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

[0031] figure 1 It is a schematic structural diagram of a mobile communication system applied by an embodiment of the present application. Such as figure 1 As shown, the mobile communication system includes a core network device 110, an access network device 120 and at least one terminal device (such as figure 1 The terminal device 130 and the terminal device 140 in ). The terminal device is connected to the access network device in a wireless manner, and the access network device is connected to the core network device in a wireless or wired manner. The core network equipment and the access network equipment can be independent and different physical equipment, or the functions of the core network equipment and the logical functions of the access network equipment can be integrated on the same physical equipment, or they can be integrated on one physical equipment Part of the functions of the core network device and part of the functions of the access network device are spe...

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Abstract

The invention provides a data transmission method and device, and aims to solve the problem of resource waste. According to the invention, the RLC entity determines the resource margin according to the scheduled available resources and the actual data size to be sent; key data, for example, an RLC control PDU included in an RLC PDU to be sent and / or an RLC data PDU bearing a data message with a specific service feature are / is included in the RLC PDU to be sent. That is to say, the key data is sent in the Pading, the resource margin is fully utilized, the reliability of uplink data transmissionis improved, and extra wireless resources do not need to be consumed at the same time.

Description

technical field [0001] The embodiments of the present application relate to the field of communication technologies, and in particular, to a data transmission method and device. Background technique [0002] Before the terminal device sends uplink packet data, it needs to obtain the scheduling authorization from the base station. The scheduling authorization includes the size of the available resources that the terminal can use to send data and the time-frequency location of the resources. When the channel quality is good or the network is not congested, the base station Sufficient uplink resources can be scheduled for the terminal device, and the size of the uplink resource allocated for one transmission can be larger than the actual data size to be sent by the terminal device. In addition to the size of data actually to be sent by the terminal device using uplink resources, other remaining resources are filled ineffectively, resulting in waste of resources. Contents of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/00H04L1/18H04W28/06H04W72/12
CPCH04L1/0023H04L1/187H04W28/06H04W72/569H04W72/535H04W72/20
Inventor 石帅姜印清柳晓见李哲郭浩平
Owner HUAWEI DEVICE CO LTD
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