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Data transmission method and device

A data transmission method and data transmission technology, which are applied in the field of data transmission methods and devices, can solve problems such as transmission resource consumption, and achieve the effects of reducing transmission resource consumption, avoiding waste, and improving link transmission quality.

Active Publication Date: 2021-11-09
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The embodiment of the present invention provides a data transmission method and device, to at least solve the problem of large consumption of transmission resources in the related art by adopting duplication transmission for data transmission

Method used

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Examples

Experimental program
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Embodiment 1

[0034] The method embodiment provided in Embodiment 1 of the present application may be executed in a centralized processing unit, a distributed processing unit, or a similar computing device. Taking running on a mobile terminal as an example, Figure 5 It is a block diagram of the hardware structure of the centralized processing unit of the data transmission method of the embodiment of the present invention. Such as Figure 5 As shown, the centralized processing unit 50 may include one or more (only one is shown in the figure) processors 52 (the processors 52 may include but not limited to processing devices such as microprocessor MCU or programmable logic device FPGA, etc.), A memory 54 for storing data, and a transmission device 56 for communication functions. Those of ordinary skill in the art can understand that, Figure 5 The shown structure is only for illustration, and it does not limit the structure of the above-mentioned electronic device. For example, the centra...

example 1

[0066] Figure 7 It is a schematic diagram of a device for measuring DU downlink channel quality according to a preferred embodiment of the present invention, and the device is used for network-side downlink duplication judgment.

[0067] Such as Figure 7 As shown, the measurement device is aimed at the measurement of the transmission quality of the downlink channel. This measurement may include one or more of the following, but not limited to: CQI measurement report reported by the terminal, SRS measurement, downlink buffer data transmission delay, RLC retransmission times, HARQ retransmission times measurement, etc.). The measurement results are used by the DU to directly determine whether to enable or disable the duplication data transmission function of multiple links on the terminal service bearer on the DU; or the measurement results are used to report to the CU for the CU to determine whether to enable or disable the terminal service bearer Duplication data transmiss...

example 2

[0069] Figure 8 It is the process of duplication transmission of multiple connections under one DU according to the preferred embodiment of the present invention Figure 1 . In this example, the terminal establishes multiple connections with the same DU to receive downlink data, and the DU decides whether to enable or disable the duplication data transmission function. Such as Figure 8 As shown, the process includes the following steps:

[0070] In step 1, the DU performs downlink channel quality measurement, and judges whether to enable the duplication function on multiple links connected to the DU and the terminal according to the measured transmission quality in different links connected to the terminal (that is, duplication data transfer function).

[0071] In step 2, the DU sends a "duplication indication" message to the CU.

[0072] The "duplication indication" message includes the judgment result of the duplication function, and is used to notify the CU whether t...

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Abstract

The present invention provides a data transmission method and device, wherein the method includes: acquiring measurement results of channel transmission quality of multiple channels, wherein a repeating data transmission function is configured on the multiple channels, and the repeating The data transmission function is used to instruct to establish multiple connections with the terminal on the multiple channels, and the multiple connections are used to transmit the same data on the multiple channels at the same time; according to the acquired measurement results, determine whether Turn on the repeated data transmission function; and perform data transmission with the terminal in the multiple channels according to the judgment result. The invention solves the problem of large consumption of transmission resources in the related art by using duplication transmission for data transmission, and achieves the effects of improving link transmission quality and reducing transmission resource consumption.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a data transmission method and device. Background technique [0002] The fifth generation mobile communication technology (5 th -generation, referred to as 5G) network architecture is innovative and flexible in networking. In the 5G network, the base station on the wireless access network side is separated into two functional entities: a centralized processing unit (Centralized Unit, referred to as CU) and a distributed processing unit (Distributed Unit, referred to as DU). A base station includes a CU and one or more DUs. In the CU / DU separated network architecture, the delay-insensitive network functions are placed in the first network element (for example, in the CU), and the delay-sensitive network functions are placed in the second network element (for example, in the DU) , the transmission between the first network element and the second network element is performed th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/02H04L1/22
CPCH04W24/02H04L1/20H04W24/10H04L1/0026H04L1/1819H04W28/02H04L1/22H04W28/04H04W88/18H04W76/15
Inventor 刘壮
Owner ZTE CORP
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