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Relay node, data transmission method and device thereof and storage medium

A data transmission method and relay node technology, applied in the fields of devices and storage media, relay nodes and data transmission methods thereof, can solve problems such as business data transmission interruption or delay, and achieve the effect of ensuring real-time transmission

Pending Publication Date: 2022-04-22
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present disclosure provides a relay node and its data transmission method, device and storage medium for solving the technical problem of service data transmission interruption or delay when the relay node moves

Method used

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  • Relay node, data transmission method and device thereof and storage medium
  • Relay node, data transmission method and device thereof and storage medium
  • Relay node, data transmission method and device thereof and storage medium

Examples

Experimental program
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Effect test

example 1

[0242] In this example, the sequence number of the data packet is the sequence number of the data packet corresponding to the adaptation layer bearing the transmission of the data packet.

[0243] In this example, the data packets transmitted on different adaptation layers are numbered separately, that is, the sequence numbers of the data packets are sorted according to the adaptation layer; for data packets sent on the same adaptation layer, different data packets must exist The sequence numbers of the different packets. In order to ensure that different data packets will inevitably have different data packet serial numbers, the source service node can uniformly write the data packet serial numbers for the data packets, and then send them to the target service node through the corresponding adaptation layer. Wherein, the adaptation layer of the target service node and the adaptation layer of the source service node have a corresponding relationship, and the source service nod...

example 2

[0245] In this example, the sequence number of the data packet is the sequence number of the data packet corresponding to the radio link layer control protocol (RadioLink Control, RLC) channel carrying the transmission of the data packet.

[0246] In this example, the data packets transmitted on different RLC channels are numbered separately, that is, the sequence numbers of the data packets are sorted according to the RLC channel; if the RLC channel is re-established, the numbers of the data packets transmitted on the RLC channel are reset. Reset to 0. For data packets sent on the same RLC channel, different data packets must have different data packet sequence numbers. In order to ensure that different data packets will inevitably have different sequence numbers, the source service node can uniformly write the sequence numbers of the data packets, and then send them to the target service node through the corresponding RLC channel.

[0247] Wherein, the RLC channel can be an...

example 3

[0249] In this example, the sequence number of the data packet corresponds to the destination address of the data packet, where the destination address can be understood as the address of the relay node or the address of the terminal. In this example, data packets with different adaptation layer destination addresses Separate numbering, that is, the sequence numbers of data packets are sorted according to the destination address of the adaptation layer; the numbers of data packets with different destination addresses of the adaptation layer are maintained from 0. Wherein, the header of the adaptation layer data packet may carry the destination address to which the data packet is to be transmitted. In order to ensure that different data packets must have different serial numbers, the source service node can uniformly write the serial numbers of the data packets according to the destination address, and then send them to the target service node.

[0250] In this example, when th...

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Abstract

The invention provides a relay node, a data transmission method and device thereof and a storage medium, and belongs to the technical field of communication. The method comprises the following steps: one or more adaptation layers of a relay node receive data packets sent by a source service node and a target service node; therefore, the source service node and the target service node are communicated through the adaptation layer of the relay node, the data transmission delay caused by the switching of the relay node in the transmission process of the data packet is avoided, and the real-time transmission of the data is ensured.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a relay node and its data transmission method, device and storage medium. Background technique [0002] Currently, since the fifth generation mobile communication technology (5th Generation Mobile Networks, 5G) uses a higher frequency spectrum than the fourth generation mobile communication technology (the 4th Generation Mobile Communication Technology), the coverage of 5G base stations is reduced. Therefore, in order to provide 5G communication services require technologies that address the coverage of base stations. [0003] In related technologies, the problem of base station coverage is solved by introducing a relay. For example, the relay can be a base station with a relay function, and the coverage of the base station can be expanded by integrating the Integrated Access and Backhaul (IAB) network technology through the wireless signal relay mode betwee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/10H04W36/18H04W40/22
CPCH04W24/10H04W36/18H04W40/22
Inventor 王达曾二林张大钧
Owner DATANG MOBILE COMM EQUIP CO LTD
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