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Local IP access through a femto base station and apparatus

A technology of femto base station and communication device, applied in the field of communication network

Active Publication Date: 2015-03-11
TELEFON AB LM ERICSSON (PUBL)
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  • Abstract
  • Description
  • Claims
  • Application Information

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  • Local IP access through a femto base station and apparatus
  • Local IP access through a femto base station and apparatus
  • Local IP access through a femto base station and apparatus

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Embodiment Construction

[0083] As mentioned above, the femtocell is connected to the operator's network via a secure tunnel (assumed to be IPsec protected) to the SEGW located at the border of the operator's network. The following description focuses on this scenario. However, it should be understood that in other scenarios (e.g. business scenarios for Fixed Mobile Convergence (FMC) operators with fixed and wireless access) or for operators who want to offload Internet traffic from their networks as early as possible, this Inventions are also useful. Here, an RBS with a fixed connection is called a femtoBS, and a radio cell of the femtoBS is called a femtocell. In the 3GPP specifications, the femtoBS is called a home eNB (HeNB) or a home node, and the femto cell is called a home cell.

[0084] In one embodiment, the present invention utilizes an Access Point Name (APN), referred to herein as a "Residence APN," which enables a user to connect to a local residence network (to a femtoBS). The use of ...

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Abstract

A method, femto Base Station, and network service node for connecting a User Equipment UE, to local devices in a local network. The femtoBS includes a femtoBS part and a Packet Data Network Gateway, PDN-GW, part comprising a subset of PDN-GW functions. The UE sends a PDN connection request that includes a special Access Point Name, APN, which indicates the request ts for local IP access. The network service node, such as a Mobility Management Entity, MME1 includes a gateway selection mechanism that, based on the special APN1 selects the PDN GW part of the femtoBS device to serve the connection. A route optimization function in the femtoBS shortcuts the traffic between the femtoBS part and the PDN GW part, providing direct access to the local network. The UE may access the Internet through a residential gateway in the local network and a fixed access connection.

Description

[0001] related application [0002] This application claims the benefit of US Provisional Patent Application No. 61 / 171,926, filed April 23, 2009. technical field [0003] The present invention relates generally to communication networks, and in particular to systems and methods that enable user equipment (UE) to directly access local devices in a local network through a femto base station (femtoBS). Background technique [0004] The following abbreviations are used in this document. [0005] 3GPP Third Generation Partnership Project [0006] ALG Application Layer Gateway [0007] APN Access Point Name [0008] CPE Customer Premises Equipment [0009] CSG Closed Subscription Group [0010] DHCP Dynamic Host Configuration Protocol [0011] DNS domain name server [0012] DSL Digital Subscriber Line [0013] EBI EPS Bearer ID [0014] ECGI E-UTRAN Cell Global Identity [0015] eNB Evolved Node B [0016] Packet Core for EPC Evolution [0017] EPS Evolved Packet Sys...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W76/02
CPCH04W76/02H04W8/082H04W76/041H04L43/00H04W76/22H04W76/10H04W28/0268H04L12/287
Inventor 佐尔坦·里夏德·图拉尼阿提拉·米哈利高里奇·米克洛斯
Owner TELEFON AB LM ERICSSON (PUBL)