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Data processing method and device

A data processing and equipment technology, applied in the field of data processing, can solve problems such as packet loss, and achieve the effect of avoiding packet loss, improving accuracy, and improving accuracy and

Inactive Publication Date: 2019-11-19
HUAWEI TECH CO LTD
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] This application provides a data processing method and device, which can solve the problem of packet loss when the user equipment and the host base station perform data processing in the multi-hop link of the 5G system, and improve the accuracy and efficiency of data transmission. efficiency and improve user experience

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Embodiment Construction

[0361] In the NR of the 5G system, the applicant finds that when the relay node is a layer 2 relay that does not include the PDCP layer, since the RLC layer of the relay node does not have the reordering function, the transmission in the multi-hop link will be repeated at each hop. Further disorder based on the previous jump. It may lead to packet loss when the user equipment and the host base station perform data processing in the multi-hop link of the 5G system, which seriously affects the accuracy of data transmission, reduces communication efficiency, and poor user experience. The solution proposed below can solve the problem of packet loss during data processing between the user equipment and the host base station in the multi-hop link of the 5G system, improve the accuracy and efficiency of data transmission, and improve user experience.

[0362] The technical solution in this application will be described below with reference to the accompanying drawings.

[0363] The ...

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Abstract

The invention provides a data processing method and device. A first device communicates with the second device through at least one relay node, and the at least one relay node does not have a packet data convergence protocol PDCP entity. The method comprises: the first device sends a first data unit group, the first data unit group being within a first sequence range; the first device receives first information through the at least one relay node, wherein the first information is used for indicating data units in the first data unit group received and / or not received by the second device; andthe first device determines a second sequence range according to the first information. According to the technical scheme of the embodiment of the invention, the accuracy and efficiency of data transmission can be improved, and the user experience is improved.

Description

technical field [0001] The present application relates to the communication field, and more specifically, to a data processing method and device. Background technique [0002] In order to ensure the deployment and application of future cellular networks, a technology that supports wireless backhaul and relay links is provided in the fifth generation (5Generation, 5G) new air interface (NewRadio, NR) technology. Integrated Access and Backhaul (IAB) technology can provide more flexible and dense deployment of NR cells without increasing the transmission network on a large scale. Among them, in the network structure of IAB, the donor base station (Donor 5GNodeB, DgNB) can be directly connected to the core network, and can be connected to multiple relay nodes (Relay Node, RN), and the relay node can be connected to other relay nodes. A link between base stations (including a link between a donor base station and a relay node, and a link between a relay node and a relay node) is...

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Application Information

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IPC IPC(8): H04W28/06H04L12/823H04L47/32
CPCH04W28/06H04L47/32H04B7/15507H04L47/34H04L2001/0097H04L1/1812H04L1/1887H04L1/187H04L1/1642H04W80/02
Inventor 姚楚婷徐海博朱元萍刘亚林王键
Owner HUAWEI TECH CO LTD
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