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Method and related device for data packet transmission

A transmission method and a data packet technology, which are applied in the field of data packet transmission methods and related devices, can solve problems such as data packet loss, and achieve the effect of reducing the probability of packet loss

Inactive Publication Date: 2012-10-10
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the receiving end judges whether the serial number of the received data packet is smaller than the maximum serial number of the previously received data packet, if so, the data packet with a smaller serial number is regarded as a replayed data packet, and the data packet is directly discarded , causing packets with smaller sequence numbers to be lost

Method used

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  • Method and related device for data packet transmission
  • Method and related device for data packet transmission
  • Method and related device for data packet transmission

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Embodiment Construction

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0049] The invention provides a data packet transmission method, a base station and a security gateway. In order to better understand the technical solutions of the present invention, the embodiments provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

[0050] see figure 1 , figure 1 It is a flow chart of the data packet transmission method provided by Embodiment 1 of the present invention.

[0...

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Abstract

The invention discloses a method and related devices for data packet transmission. The method comprises: acquiring the priority values of an uplink data packet required to be transmitted; according to the priority values, finding the corresponding relation between the set priority values and tunnel identifiers, wherein each priority value corresponds to at least one tunnel identifiers; if the corresponding tunnel identifiers is found out, transmitting the uplink data packet to a safe gateway through a safe tunnel corresponding to the found out tunnel identifiers. The method of the invention reduces the quantity of the replayed data packets determined by the safe gateway to further reduce the probability of the loss of packet.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a data packet transmission method and a related device. Background technique [0002] A home base station (Home NodeB, H(e)NB) is a kind of base station, which is deployed as a dedicated resource in homes, groups, companies, or schools. The femtocell is connected through an Internet Protocol (Internet Protocol, IP) broadband network communication network. [0003] In the prior art, when the base station is powered on, an Internet Protocol Security (Internet Protocol Security, IPsec) tunnel (secure tunnel for short) is established between a security gateway (Security Gate, SeGW). The traffic under the home base station is transmitted through the secure tunnel. The sending end, such as the home base station, after receiving the data packets to be transmitted, assigns sequence numbers to the data packets in sequence, and then transmits to the receiving end (...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/16H04L12/56H04L1/00
CPCH04W76/022H04W76/12
Inventor 张爱琴朱文若刘海靳维生
Owner HUAWEI TECH CO LTD