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Method, device and system for synchronously controlling window

A technology of synchronous control and synchronous processing, applied in the field of communication, can solve the problems such as the inability to transmit data correctly, the increase of the packet loss rate, and the mismatch of the receiving window.

Active Publication Date: 2013-12-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the process of realizing the present invention, the inventors have found that there are at least the following problems in the prior art: a large number of factors such as verification errors, imperfect protocols, or increased packet loss rates may cause the updated sending window of the sending end and the receiving window of the receiving end to be updated. mismatch so that the data can no longer be transmitted correctly

Method used

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  • Method, device and system for synchronously controlling window
  • Method, device and system for synchronously controlling window
  • Method, device and system for synchronously controlling window

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Embodiment Construction

[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0032] figure 1 It is a flowchart of an embodiment of the window synchronization control method of the present invention, such as figure 1 As shown, the method of this embodiment may include:

[0033] Step 101, when the data transmission is abnormal, the initial position of the data sending window is synchronized to the first position;

[0034]...

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Abstract

The embodiment of the invention relates to a method, a device and a system for synchronously controlling a window. One method comprises the following steps of: when data transmission is abnormal, synchronizing the starting position of a data send window to a first position, and sending a synchronization control message to a receiving end to indicate the receiving end to synchronize the data send window to the first position. Another method comprises the following steps of: receiving the synchronization control message sent by a sending end; and synchronizing the starting position of the data send window to the first position according to the synchronization control message. The embodiment of the invention enables the data send window of the sending end to be the same as the starting position of a data receiving window of the receiving end, thereby enabling the data sent by the sending end to match with data received by the receiving end and completing the accurate data transmission.

Description

technical field [0001] The embodiments of the present invention relate to the communication field, and in particular, to a window synchronization control method, device and system. Background technique [0002] In an existing communication system, different services may be carried in different radio link control protocol (Radio Link Control, hereinafter referred to as: RLC) modes according to the quality of service (Quality of Service, hereinafter referred to as: QoS), such as Acknowledged Mode (Acknowledged Mode) , hereinafter referred to as: AM) RLC bearer or unacknowledged mode (Unacknowledged Mode, hereinafter referred to as: UM) RLC bearer. For services carried by AM RLC, in order to achieve reliable transmission, the sending end of AM RLC can number each protocol data unit (Protocol Data Unit, hereinafter referred to as: PDU), and the receiving end can feed back the number corresponding to the received PDU to The sender, so that the sender can perform corresponding re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04L12/70H04L47/27
Inventor 陈力
Owner HUAWEI TECH CO LTD
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