US 9,882,803 B2 · Method and system for implementing local IP service

Abstract

The present disclosure provides a method and system for implementing a local IP service through a relay node, through which a PDN connection between a local UE and a local gateway is established, and local IP service data are transmitted through the relay node between the UE and the local gateway. In the present disclosure, a local gateway is embedded into a relay node, or the local gateway is collocated with the relay node, or the local gateway is connected to the relay node via a wired connection, and a PDN connection between a local UE and the local gateway is established through the relay node. The present disclosure can support not only a local service or a proximity-based service between a relay node and a UE but also a local service or a proximity-based service between two or more UEs through a relay node, thus supporting extensive applications based on local IP data streams and reducing the load of a core network. In addition, spectral efficiency and throughput can also be improved by using a short distance wireless channel.

Claims18

Dependent claims

A method for implementing a local IP service through a relay node, comprising:

establishing, through the relay node, a Packet Data Network (PDN) connection between a local User Equipment (UE) and a local gateway, and transmitting, through the relay node, local IP service data between the UE and the local gateway;
the method further comprising:
indicating, by a Donor eNodeB (DeNB), network load conditions to the relay node and/or the local gateway, caching locally, by the local gateway, the local IP service during a low network load period, or caching locally by the local gateway while the relay node provides the local UE with relay services;
wherein the step of caching locally by the local gateway while the relay node provides the local UE with relay services comprises:
after data arrive at the relay node from the DeNB, besides sending the data to the UE through a Uu interface between the relay node and the UE, copying, by the relay node, the data for the local gateway so as to be cached locally;
or the data arriving firstly at the local gateway from a Packet Data Network Gateway (PDN-GW) of a core network, then arriving at a UE served by the relay node from the local gateway.

3 more elements

Dependencies are inferred from the claim text.

Method and system for implementing local IP service

Life of this patent

Method and system for implementing local IP service

Life of this patent

Abstract

Claims18