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Message routing method and system in LTE (Long Term Evolution) network and gateway

A routing and gateway technology, applied in the field of message routing methods, systems and gateways, to achieve the effect of flexible transformation

Active Publication Date: 2017-06-13
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if such users need to use 4G services during international roaming, due to issues such as roaming agreement negotiations involving new numbers, these users still need to use Sponsor IMSI to access LTE networks during international roaming for a long period of time.

Method used

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  • Message routing method and system in LTE (Long Term Evolution) network and gateway
  • Message routing method and system in LTE (Long Term Evolution) network and gateway
  • Message routing method and system in LTE (Long Term Evolution) network and gateway

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Embodiment Construction

[0047] The message routing method in the LTE network provided by the embodiment of the present invention is suitable for flexible routing and routing retry of multiple numbers of the user when the user uses multiple USIM cards, and can realize automatic switching of numbers. In the embodiment of the present invention, by expanding whether to support request retry flag and whether to support route optimization flag in the request message, the gateway can initiate a route query to EMNP through the extended request retry message, and the extended request retry message carries the request retry In the case of the trial flag and the route optimization flag, the corresponding target user ID and target routing address can be queried from the EMNP according to the source user ID, so as to use the target user ID and target routing address to re-initiate an access request to the second HSS, thereby Realize the flexible transformation of routing and automatic switching of numbers.

[004...

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Abstract

The invention relates to a message routing method in an LTE (Long Term Evolution) network. The method comprises the steps that an MME (Mobility Management Entity) in a roaming place LTE network sends an access request to an international roaming gateway DRA (Diameter Routing Agent), wherein the access request carries a source user identifier; the DRA positions a first HSS (Home Subscriber Server) according to the source user identifier and sends a request message to the first HSS, wherein the source user identifier, an identifier of whether to support request retry or not and the identifier of whether to support routing optimization or not are carried in the request message; when the first HSS discovers that a user does not exist after searching a database according to the source user identifier, if the identifier of whether to support request retry or not is supporting request retry and the identifier of whether to support routing optimization or not is supporting routing optimization, the first HSS returns an error code to the international roaming gateway DRA and a request retry support mark and a routing optimization support mark are carried in the error code; the DRA analyzes the error code, initiates a search request to EMNP (Evolved Mobile Number Portability), searches corresponding target user identifier and target routing address according to the source user identifier, and redirects to a second HSS through utilization of the target user identifier and the target routing address, thereby initiating the access request.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a message routing method, system and gateway in an LTE network. Background technique [0002] LTE (Long Term Evolution, Long Term Evolution) is a long-term evolution of the UMTS (Universal Mobile Telecommunications System, Universal Mobile Telecommunications System) technical standard specified by the 3GPP (The 3rd Generation Partnership Project, Third Generation Partnership Project) organization. The S6a interface between MME (Mobility Management Entity, the key control node in 3GPP protocol LTE) and HSS (Home Subscriber Server, Home Subscriber Server) in the LTE core network is based on the basic Diameter protocol. The Diameter basic protocol provides a safe, reliable, and easily extensible framework for various authentication, authorization, and accounting services. It mainly involves performance negotiation, how messages are sent, and how the two peers end the communicatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/02H04W40/20
CPCH04W40/02H04W40/20H04W8/08
Inventor 仝黎
Owner ZTE CORP
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