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Data transmission method and receiving equipment

A data transmission method and technology for receiving equipment, applied in the field of data transmission methods and receiving equipment, can solve problems such as waste of resources

Active Publication Date: 2021-02-23
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a data transmission method and receiving equipment to solve the problem of waste of resources in the prior art

Method used

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  • Data transmission method and receiving equipment
  • Data transmission method and receiving equipment
  • Data transmission method and receiving equipment

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Embodiment Construction

[0066] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments . Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0067] The technical solution of the present invention can be applied to various communication systems, for example: Global System of Mobile communication (Global System of Mobile communication, GSM) system, Code Division Multiple Access (Code Division Multiple Access, CDMA) system, Wideband Code Division Multiple Access (Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) sy...

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Abstract

The invention provides a data transmission method and receiving equipment, which are used for solving a problem of resource waste in the prior art. The method comprises the following steps that a PDCPlayer entity receives a first data packet from an RLC layer entity; the PDCP layer entity slides the current PDCP receiving window and sends a first notification to the RLC layer entity when determining that the PDCP serial number of the first data packet is greater than the lower boundary value of the current PDCP receiving window and the second data packet is not received within a first presetduration; and the RLC layer entity slides the current RLC receiving window according to the received first notification, so that the data packet indicated by the lower boundary value of the slid RLC receiving window is the same as the data packet indicated by the lower boundary value of the slid PDCP receiving window.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a data transmission method and a receiving device. Background technique [0002] In the user plane protocol of the fifth generation (Fifth Generation, 5G) mobile communication new air interface (New Radio, NR) technology, the radio link layer control protocol (Radio Link Control, RLC) layer of the receiving device is responsible for receiving the data packet Reliable delivery to the packet data convergence protocol (Packet Data Convergence Protocol, PDCP) layer, and the PDCP layer of the receiving device is responsible for delivering the received data packets to the upper layer in sequence. [0003] At present, the PDCP layer finds that the sequence numbers of the received data packets are discontinuous and there is a vacancy number. If the data packet corresponding to the vacancy number is not received after the preset time, it will no longer receive it, and the RL...

Claims

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Application Information

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IPC IPC(8): H04W28/02H04L12/801
CPCH04W28/02H04L47/34
Inventor 程岳
Owner DATANG MOBILE COMM EQUIP CO LTD
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