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Data transmission method and device, related equipment and storage medium

A data transmission method and equipment technology, applied in the direction of digital transmission system, transmission system, error prevention, etc., can solve problems such as affecting data rate

Pending Publication Date: 2020-09-22
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At this time, retransmitting the PDU corresponding to the polling request and the status report

Method used

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  • Data transmission method and device, related equipment and storage medium
  • Data transmission method and device, related equipment and storage medium
  • Data transmission method and device, related equipment and storage medium

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Abstract

The invention discloses a data transmission method and device, sending end equipment, receiving end equipment and a storage medium. The method comprises the following steps: sending end equipment determines the value of N according to a preset rule, wherein N represents the number of protocol data units (PDUs) carrying the polling flag bits, and N is an integer greater than or equal to 2; settinga polling flag bit in each of the N continuous PDUs, wherein the N polling flag bits represent one polling request; and sending out the N continuous PDUs.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a data transmission method, device, related equipment and storage medium. Background technique [0002] The sending end needs to receive the status protocol data unit (STATUS PDU) before it is possible to update VT(A), and then it is possible to move the sending window forward. If the STATUS PDU from the peer end is not received for a long time, it may cause the sending window to be blocked, and eventually lead to a decrease in throughput. Therefore, under certain conditions, the sender needs to actively request the receiver to send a STATUS PDU, which is the role of polling. [0003] The new air interface (NR) vehicle-to-external information exchange (V2X) business puts forward higher requirements on data rate, delay, and reliability indicators. In order to meet reliability requirements, one implementation is to introduce radio link control (RLC) acknowledgment (A...

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Application Information

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IPC IPC(8): H04W28/04H04W28/24H04L1/18H04L1/16
CPCH04W28/04H04W28/24H04L1/1809H04L1/1607H04L1/1896
Inventor 李娜陈卓
Owner CHINA MOBILE COMM LTD RES INST
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