Wireless-network environment detection and reporting method in network switch-over

A wireless network and network switching technology, applied in the field of wireless network environment detection and reporting, can solve the problem of imperfect detection and reporting mechanism of wireless environment parameters on the terminal side, and achieve the effect of improving network switching efficiency and accuracy

Inactive Publication Date: 2006-10-25
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The purpose of the present invention is to provide a method for wireless network environment detection and reporting during network switching, so as to solve the problem in the prior art about the imperfect mechanism of terminal side wireless environment parameter detection and reporting

Method used

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  • Wireless-network environment detection and reporting method in network switch-over
  • Wireless-network environment detection and reporting method in network switch-over
  • Wireless-network environment detection and reporting method in network switch-over

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The MIHF on the terminal side initiates a network scan after receiving the MIH_Scan request from the network side. After the scan is completed, the MIHF generates a report on the parameters of the homogeneous or heterogeneous wireless network environment around the terminal and sends it to the handover decision module on the network side.

[0041] First of all, in order to obtain the dynamic information of the POA during MIHF scanning on the terminal side, it is necessary to modify the parameters of the MIH_Scan sent by the MIHF on the network side to the MIHF on the terminal side, as follows:

[0042] The original 802.21 MIH_Scan command request is defined as follows:

[0043] Prototype: MIH_Scan.request(SourceIdentifier, DestinationIdentifier, ScanResultSets)

[0044] name

Types of

scope

describe

Source Identifier

MIHF identifier

any legal independent or

group identifier

The identity of the requesti...

Embodiment 2

[0068] The network side acquires the report of the terminal wireless network environment asynchronously by registering the MIH_Neighbor_Report (MIH wireless network environment parameter reporting) event service on the terminal side. The definitions of the new primitives are as follows:

[0069] Prototype: MIH_Neighbor_Report.indication

[0070]

name

Types of

scope

describe

MacMobile Terminal

MAC address

MAC address of the mobile terminal

MacAccessRouter

MAC address

(optional)

The MAC address of the currently connected router

address

Neighborhood Reports

Neighbor information reports include terminal detection

The set of measured POAs and associated

Wireless environment parameter information.

Neighborhood Not Found

Reports

scan response collection

This report includes the last scan found but

Legacy POAs not found by the c...

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PUM

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Abstract

The method includes steps: (1) entity of media irrelevant switching function MIHF at terminal side initiates network scanning; after scanning, generating report of radio network environmental parameter including dynamic information and static information of scanned point of access POA around terminal; (2) MIHF at terminal side sends the report to MIHF at network side; after receiving the report, MIHF at network side transfers the report to switching decision-making module for making decision. Supporting isomorphic and isomerous network environment at same time, the invention raises accuracy for selecting object access point when network side initiates switching so as to improving efficiency for switching network.

Description

technical field [0001] The present invention relates to the technical field of Media Independent Handover (MIH, Media Independent Handover), in particular to the technology of detecting and reporting the wireless network environment at the terminal side during Media Independent Handover. Background technique [0002] There are currently many networks with different architectures, such as the wireless local area network defined by 802.11, the wireless metropolitan area network defined by the 802.16 protocol, and the third-generation cellular mobile communication network defined by 3GPP (Third Generation Mobile Communication Standardization Partnership Project). It is difficult to conveniently switch and roam in heterogeneous networks under the condition of ensuring business continuity. The proposal of 802.21 is to solve the above problems. The 802.21 (Media-Independent Handover Service) protocol defined by IEEE (Institute of Electronics and Electrical Engineers) is a protocol...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04W36/00H04W36/14H04W36/38H04W48/08H04W48/16H04W48/20H04W64/00H04W80/00
CPCH04W36/005H04W36/0083H04W36/38H04W80/00H04W36/0085
Inventor 刘源钟辉汪曙
Owner HUAWEI TECH CO LTD
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