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Distributed gateway

A distributed gateway and gateway technology, applied in electrical components, wireless communication, connection management, etc., can solve problems such as wireless link failure and delay

Active Publication Date: 2018-06-08
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A radio link failure may occur if the UE cannot establish a connection with the target node
This will cause further delay as UE will need to perform cell association again

Method used

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Embodiment Construction

[0038]Network Function Virtualization (NFV) allows pools of computing resources to be used to instantiate virtual functions, making them appear as physical nodes to other nodes and business traffic being processed. This provides a mechanism to flexibly instantiate and manage network functions as needed. The NFV framework includes NFV infrastructure (NFVInfrastructure, NFVI), which includes hardware resources, such as computing, storage and network resources, a virtualization layer, and virtual computing, storage and network resources. Virtual Network Functions (VNFs), such as software implementations of network functions, can run on top of the NFVI. NFV management and orchestration is also provided, which covers orchestration and lifecycle management of physical and / or software resources supporting VNF's infrastructure virtualization and lifecycle management.

[0039] An instantiated VNF provides services that would otherwise be provided by dedicated function nodes. This all...

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Abstract

Aspects of the invention provide systems and methods for establishing one or more distributed gateways located close to a location of UE to facilitate faster packet delivery to said UE during transitions. Such transitions can include the UE transitioning its state, for example from being idle to connected to the network, but also includes operations in which the serving AP (s) for the UE changes.The method includes establishing at least two virtual network function (VNF) components (VFNCs) of a distributed gateway (D-GW), each VNFC associated with an access point (AP). Each VNFC buffers packets directed to the wireless device. The method further includes selecting at least one AP for serving the wireless device, and forwarding the buffered packets from the VNFC associated with the selected APs to the selected APs for forwarding to the wireless device. Packets buffered at the VNFCs of non-selected APs are discarded.

Description

[0001] Related Application Cross Reference [0002] This application claims U.S. Patent Application Serial No. 62 / 220,682, entitled "System and Method for Reliable Communications with Mobility Along Predictable Routes," filed September 18, 2015 and filed September 23, 2015 Priority benefit of US Patent Application Serial No. 14 / 863,286, entitled "Distributed Virtual Gateway," the contents of which are hereby incorporated by reference in their entirety. technical field [0003] The present disclosure relates to virtual network functions for wireless networks. Background technique [0004] In fourth-generation (5G) mobile networks such as those based on the Long-Term Evolution (LTE) standard specified by the Third Generation Partnership Project (3GPP), many functions are provided in the core network A component, which is also called an evolved packet core (Evolved Packet Core, EPC). In so-called 3G networks, these functions are provided by entities in the Packet Core (PC). ...

Claims

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Application Information

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IPC IPC(8): H04L29/06
CPCH04W76/27H04W36/0066H04W36/023H04W36/32H04W88/16
Inventor 苏菲·范希奇贾耶·拉奥
Owner HUAWEI TECH CO LTD