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A communication method and related device

A communication method and channel technology, applied in the field of communication, can solve problems such as data packets cannot be transmitted correctly, data packets are not defined, etc.

Active Publication Date: 2021-10-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current communication standard does not define the process of processing data packets at the Adapt layer on the wireless backhaul link. Improper data packet processing procedures will prevent data packets from being transmitted correctly on the wireless backhaul link.

Method used

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  • A communication method and related device
  • A communication method and related device
  • A communication method and related device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0199] In this embodiment, the network node may be an IAB node, a host node or a Donor-DU.

[0200] The embodiment of this application provides a communication method, such as Figure 11 As shown, the method includes:

[0201] 1101. A first entity of a network node receives a data packet delivered from a protocol layer entity of a lower protocol layer, where the first entity is an Adapt layer entity.

[0202] Wherein, the data packet is a first-type data packet, and the first-type data packet is a data packet including an Adapt layer header and an Adapt layer payload. That is to say, the data packet received by the first entity of the network node is an Adapt PDU.

[0203] Wherein, the first entity of the network node is located at the receiving side. The Adapt layer at the receiving side of the network node may include one or more Adapt layer entities, and the first entity of the network node may be any Adapt layer entity among them. More specifically, if the network node...

Embodiment 2

[0291] In this embodiment, the network node is an intermediate IAB node, and the DU part and the MT part of the intermediate IAB node do not share the Adapt layer. Embodiment 2 provides a communication method, such as Figure 13 shown, including:

[0292] 1301. The third entity of the network node receives a data packet from the first entity, where both the first entity and the third entity are Adapt layer entities;

[0293]Wherein, the first entity of the network node is located at the receiving side of the network node, and the third entity of the network node is located at the transmitting side of the network node. The data packet may be a data packet submitted by the first entity of the network node to the third entity in Embodiment 1, and the data packet may be a first type data packet or a second type data packet. The first type of data packet refers to a data packet including an Adapt layer header and an Adapt layer payload. The second type of data packet refers to a...

Embodiment 3

[0331] In this embodiment, the network node is an access IAB node, and the data packet is an uplink data packet; or, the network node is a host node or a Donor-DU, and the data packet is a downlink data packet.

[0332] Embodiment 3 provides a communication method, such as Figure 15 shown, including:

[0333]1501. The first entity of the network node receives a data packet from the fifth entity, the fifth entity is a protocol layer entity of the protocol layer of the F1 interface or a protocol layer entity of the upper protocol layer of the Adapt layer, the first entity is the Adapt layer entity, and the data The packet is a second type of data packet, and the second type of data packet is a data packet including an Adapt layer payload.

[0334] Wherein, the first entity of the network node is located at the sending side of the network node. Exemplarily, the fifth entity may be a protocol layer entity of the IP layer.

[0335] 1502. The first entity of the network node add...

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Abstract

The present application provides a communication method and a related device. In this method, when the adaptation layer entity of the network node receives the data packet submitted by the protocol layer entity of the lower layer protocol layer, it can perform different processing on the data packet according to whether it is the destination node of the data packet routing in the adaptation layer. Processing; when receiving the data packet submitted by the upper layer protocol layer, the data packet is delivered to the lower layer protocol layer through the appropriate service differentiation channel corresponding to the next hop node of the data packet, so that the data packet is correctly transmitted to the data packet The next hop node, so as to ensure that the data packet is correctly transmitted in the integrated access and backhaul (abbreviated as IAB) network.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular, to a communication method and a related device. Background technique [0002] In a network including IAB nodes, there are multi-hop and multi-connection scenarios, that is, multiple nodes (for example, multiple IAB nodes) can serve terminals at the same time, and terminals can transmit data packets through multi-hop IAB nodes. That is to say, one transmission path may include at least one section of wireless backhaul link and one section of wireless access link. In the current discussion of communication standards, it is proposed to introduce an adaptation layer (that is, an Adaptation layer, which is referred to as an Adaptation layer in this paper for convenience of expression) in a wireless backhaul link. However, the current communication standard does not define the process of processing data packets at the Adapt layer on the wireless backhaul link, and an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04W28/06H04L45/74
CPCH04L69/22H04W28/065H04L69/321H04L45/74H04W40/22H04W40/02
Inventor 朱元萍曹振臻戴明增卓义斌刘菁
Owner HUAWEI TECH CO LTD
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