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Heterogeneous network handover-support mechanism using media independent handover (mih) functions

A medium-independent, switching function technology, applied in the direction of network traffic/resource management, wireless communication, electrical components, etc., can solve problems such as insufficient functionality and communication

Inactive Publication Date: 2010-03-31
INTERDIGITAL TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the functionality provided by the currently defined messages is not sufficient to convey all required information between source and target networks, especially in case of handover from 3GPP to non-3GPP (and vice versa)

Method used

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  • Heterogeneous network handover-support mechanism using media independent handover (mih) functions
  • Heterogeneous network handover-support mechanism using media independent handover (mih) functions
  • Heterogeneous network handover-support mechanism using media independent handover (mih) functions

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Experimental program
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Embodiment

[0137] 1. A method for heterogeneous handover between a source radio access technology (RAT) network and a target RAT network performed by a medium-independent handover (MIH) functional entity (MIHF), the method comprising:

[0138] sending a request message to reserve resources in said target network, wherein the request includes a transparent container including a RAT-specific configuration for allowing new connections in said target network and reserving resources; and

[0139] An acknowledgment message is received regarding the successful reservation of resources, wherein the acknowledgment message includes a transparent container including the RAT-specific configuration of the reserved resource at the target network.

[0140] 2. The method of embodiment 1, wherein the MIH functional entity sends the request message to a target Serving General Packet Radio Service (GPRS) Support Node (SGSN) or a Mobility Management Entity (MME).

[0141] 3. The method according to embodime...

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Abstract

Methods and mechanisms enhance heterogeneous media independent handover (MIH) between different link layer technologies. Embodiments include using an MIH proxy entity, MIH capable network controller,and an MIH server. Enhancements are made to the query phase, preparation phase, execution phase and completion phase by including required information in MIH messages.

Description

technical field [0001] The subject of the present invention relates to wireless communication. In particular, the subject matter relates to supporting Media Independent Handover (MIH). Background technique [0002] The IEEE 802.21 standard provides a unified set of functions that help implement and enhance handover on different link layer technologies. IEEE 802.21 defines three main services that can be used for mobility management applications, such as Client Mobile Internet Protocol (Client MIP) or Proxy MIP. see figure 1 , these services are Event Service 100 , Information Service 105 and Command Service 110 . These services facilitate management of handover operations, system discovery and system selection by providing information and triggers from the lower layer 115 to the upper layer 120 via a Media Independent Handover (MIH) Function entity (MIHF) 125 . [0003] At a high level, there are upper level MIH users who can communicate with MIH functional entities 125 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/14H04W28/26H04W88/06
CPCH04W36/0072H04W28/26H04W36/0066H04W88/06
Inventor J·C·祖尼卡D·帕尼U·奥维拉-赫恩安德茨
Owner INTERDIGITAL TECH CORP
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