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Data transmission equipment and method and communication system

A technology of data transmission and equipment, applied in the field of communication, can solve problems such as unfavorable business development, long transmission distance, and large delay, and achieve the effect of low maintenance cost, flexible deployment, flexible deployment, and reduced location

Inactive Publication Date: 2010-10-06
HUAWEI TECH CO LTD
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Problems solved by technology

[0004] In the prior art, the node with the service bypass function is located in the core network. Compared with the user, the distribution point / injection point of the service is too high, and the packet service data transmitted between the user and different service subsystems in the PDN needs to go through many High-level transmission network and multiple network elements for transmission, the transmission distance is long, the cost is high, and the delay is large, which is not conducive to the development of services that require high service quality such as broadband video services

Method used

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  • Data transmission equipment and method and communication system
  • Data transmission equipment and method and communication system
  • Data transmission equipment and method and communication system

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Embodiment Construction

[0031] 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 creative efforts fall within the protection scope of the present invention.

[0032]In order to solve the problems of high operation and maintenance costs of existing wireless networks and poor service quality of wireless broadband services, embodiments of the present invention provide a data transmission device, method, and communication system.

[0033] Such as figure 2 As shown, the data transmission device provided by the embodiment of the present invention, the data transmission device is located on an IP metropolitan area network node...

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Abstract

The invention discloses data transmission equipment, a data transmission method and a communication system, and relates to the communication field, solving the problems of higher wireless network operation and maintenance cost and poor-quality wireless broadband business service. The data transmission equipment provided by the invention is positioned on an IP metropolitan-area network node or on an optical line terminal of a wireless access network, and comprises a first service bypass processing module and a second service bypass processing module, wherein, the first service bypass processing module is used for receiving uplink pocket service data sent by user equipment (UE), for determining that the uplink pocket service needs diversion according to the preset service diversion strategies, and for directly diverting the unlink pocket data to a public data network PDN through a preset local Gi interface; and / or the second service bypass processing module is used for directly receiving the downlink pocket service data sent to the UE by PDN from the Gi interface, for transmitting the downlink pocket service data to the UE. The embodiment of the invention can be used in wireless communication systems, such as 3G or LTE and the like.

Description

technical field [0001] The present invention relates to the communication field, in particular to a data transmission device and method and a communication system. Background technique [0002] In the existing wireless communication system packet domain (Packet Switch, PS) network, the node with the function of service bypass (including service distribution and injection) is located in the core network, and the user communicates with the public data through the node with the function of service bypass. Network (Public Data Network, PDN) for communication. [0003] For example: if figure 1 As shown, in the Universal Mobile Telecommunications System (Universal Mobile Telecommunications System, UMTS) / High Speed ​​Packet Access (High Speed ​​Packet Access, HSPA) network, the Gateway GPRS Support Node (Gateway GPRS Support Node, GGSN) of the core network is a When performing uplink data transmission, the packet service data sent by the user is connected to the wireless access n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/06H04W28/10H04W80/04
CPCH04W88/18H04W92/14H04W88/12H04W92/04H04W88/085H04W88/005H04W8/082H04W28/16H04W92/045H04W48/17
Inventor 赵永祥王靖宇雍文远顾威
Owner HUAWEI TECH CO LTD
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