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Confirmation feedback method and device and computer readable storage medium

A feedback device, computer program technology, applied in the direction of digital transmission system, error prevention, electrical components, etc.

Active Publication Date: 2020-10-09
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This extreme approach of being too strict on AM and being too loose on UM is not a good way

Method used

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  • Confirmation feedback method and device and computer readable storage medium
  • Confirmation feedback method and device and computer readable storage medium
  • Confirmation feedback method and device and computer readable storage medium

Examples

Experimental program
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Embodiment Construction

[0046] The present invention will be described below in conjunction with the accompanying drawings and embodiments.

[0047] The embodiment of the present invention provides a confirmation feedback method, such as figure 1 As shown, this method is applied to the sender, including:

[0048] Step 101: Send a data packet carrying a key service information identifier; the service key information identifier is used to instruct the receiving end to feed back confirmation information;

[0049] Step 102: Receive confirmation information (such as: RLC STATUS PDU); the confirmation information includes: the sequence number SN corresponding to the last correct data packet received by the receiving end before sending the confirmation information, and / or all The SN corresponding to the incorrectly received data packet.

[0050] In the embodiment of the present invention, the sending end or the receiving end may be a network side or a terminal side.

[0051] The receiving end of the embo...

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PUM

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Abstract

The embodiment of the invention provides a confirmation feedback method and device and a computer readable storage medium. The method is applied to a sending terminal, and comprises the following steps: sending a data packet carrying a service key information identifier used for indicating the receiving terminal to feed back confirmation information; receiving confirmation information comprising asequence number (SN) corresponding to the correct data packet finally received before the receiving terminal sends the acknowledgement information, and / or SNs corresponding to all the data packets which are not correctly received.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, in particular to a confirmation feedback method, device and computer-readable storage medium. Background technique [0002] In the current 3GPP 5G protocol stack solution, the automatic repeat request (ARQ) function is still implemented in the radio link control (RLC) protocol sublayer, and the confirmation is completed by sending the RLC status protocol data unit (Status PDU). With the continuous improvement of the 5G air interface rate, the number of RLC PDU data packets that need to be sent per unit time is much larger than when the rate is low, which means that the confirmation information corresponding to these data packets will also increase per unit time. [0003] After the 5G air interface rate is increased, each data packet sent by the transparent mode (AM) RLC must correspond to an ACK or NACK confirmation. Although the compression method is used in the RLC STATUS P...

Claims

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Application Information

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IPC IPC(8): H04L1/16
CPCH04L1/1607
Inventor 孙军帅王莹莹黄学艳韩星宇
Owner CHINA MOBILE COMM LTD RES INST