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Data transmission method, device and system

A data transmission method and data technology, applied in the direction of network traffic/resource management, electrical components, wireless communication, etc., can solve the problems of high network overhead and complicated EPS bearer process.

Inactive Publication Date: 2018-07-20
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Depend on figure 1 As shown, on the base station side, the process of establishing an EPS bearer is complicated and the network overhead is large

Method used

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  • Data transmission method, device and system
  • Data transmission method, device and system
  • Data transmission method, device and system

Examples

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Embodiment Construction

[0111] The network architecture and business scenarios described in the embodiments of the present invention are to more clearly illustrate the technical solutions of the embodiments of the present invention, and do not constitute limitations on the technical solutions provided by the embodiments of the present invention. The evolution of the architecture and the emergence of new business scenarios, the technical solutions provided by the embodiments of the present invention are also applicable to similar technical problems.

[0112] It should be understood that the technical solutions of the embodiments of the present invention can be applied to various communication systems, for example: long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex ( time division duplex, TDD) communication system, etc.

[0113] It should also be understood that in this embodiment of the present inventio...

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Abstract

The invention relates to the field of mobile communication, and in particular relates to a data transmission technology in a wireless communication system. The invention provides a data transmission method, a data transmission device and a data transmission system. In such a scheme, a base station maps a first data packet to a first DRB belonging to an EPS bearer according to QOS indication information of the first data packet, the EPS bearer comprises N DRB, and N is more than or equal to 2. The base station sends the first data packet to the terminal equipment via the first DRB. One EPS bearer comprises the plurality of DRB, so that the quantity of the bearers is reduced, the signaling of building the bearer is saved, and meanwhile the plurality of DRB can meet different QoS requirements.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a data transmission method, device and system. Background technique [0002] In the LTE ((Long Term Evolution, long-term evolution)) system, the IP (Internet Protocol, protocol for interconnection between networks) connection between the terminal device and the PDN (packet data network, packet data network) is called a PDN connection or EPS (evolved packet system, evolved packet system) session, a PDN connection may include multiple EPS bearers. Each EPS bearer consists of three parts, the DRB (data radio bearer, data radio bearer) between the terminal device and the eNB, the S1 bearer between the eNB (evolved node B, evolved base station) and the SGW (serving gateway, serving gateway), and the SGW and S5 bearer between PGW (PDN gateway, PDN gateway), such as figure 1 shown. At the same time, the cascading of DRB and S1 bearer is also called E-RAB (E-UTR...

Claims

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Application Information

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IPC IPC(8): H04W28/24H04W76/10
CPCH04W28/24H04W76/11H04W76/15H04W72/1268H04W76/12H04W72/542
Inventor 唐珣权威
Owner HUAWEI TECH CO LTD
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