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Radio communication system and mobility management method

A technology of a wireless communication system and a management method, applied in the field of wireless mobile communication, can solve problems such as updating, frequent system locations, etc., and achieve the effects of reducing migration and avoiding a large increase in signaling traffic load.

Inactive Publication Date: 2007-09-12
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0023] The main purpose of the present invention is to provide a mobility management method and a wireless communication system, which are used to overcome the frequent movement between access networks of different wireless access types caused by the limitations and defects of the prior art. Problem with location update

Method used

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  • Radio communication system and mobility management method
  • Radio communication system and mobility management method
  • Radio communication system and mobility management method

Examples

Experimental program
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Embodiment 1

[0078]In the new Evolved Routing Area (ERA) planning scheme, the area covered by the original 2G / 3G network still maintains the original routing area plan, while the area covered by the evolved network adopts the same traditional 2G / 3G network joint planning method to form an evolution routing area (the evolution routing area can also be defined as: unified (unified) routing area, joint (united) routing area, joint (joint) routing area, associated (associated) routing area , or combined (combined) routing area). In this embodiment, the original 2G / 3G network may be regarded as the first wireless network, and the evolved network may be regarded as the second wireless network.

[0079] FIG. 7 is a schematic diagram of evolving routing area planning. There are three types of network coverage in the figure: the UTRAN cell of the 3G network managed by the radio network controller 24; the E-UTRAN network cell of the evolved network managed by the border radio station (Edge Radio S...

Embodiment 2

[0083] On the basis of the evolution routing area planning scheme, the present invention proposes a routing area updating scheme in which the wireless access type resides is preferred according to the policy. The implementation method of the preferred technology is as follows: the Serving GPRS Support Node (SGSN) and the evolved system SAE MME / UPE controlling the same evolved routing area ERA are planned as a resource pool. A 3-bit field is added to the configuration information of SGSN or MME to retain the preferred network information configured by the operator. The field setting method is: 000 indicates that the network is not preferred; 001 indicates that the E-UTRAN network is preferred. When the evolution routing area ERA is evolved, its context is reserved by the SAE MME in the pool; 010 indicates the preferred 2G / 3G network, and when the user equipment camps in this evolved routing area ERA, its context is reserved by the SGSN in the pool. At the same time, this scheme...

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Abstract

The invention discloses a wireless communication system and a mobile management method. And the wireless communication system comprises first wireless network and second wireless network, where the location area marks broadcasted by the first and second wireless networks are the same, and received by mobile terminal so as to make the mobile terminal in idle mode not initiate any location updating flow when roaming between the first and second wireless networks; and the configuration information of at least one support node of the core networks of the first and second wireless networks is set with information of expressing preferred network.

Description

technical field [0001] The invention relates to the field of wireless mobile communication, in particular to a wireless communication system and a mobility management method. Background technique [0002] Universal Mobile Telecommunications System (UMTS) is a third-generation mobile communication system (3G) that uses Wideband Code Division Multiple Access (WCDMA) air interface technology, and UMTS is usually called WCDMA communication system. As shown in FIG. 1 , UMTS adopts a structure similar to that of the second generation mobile communication system (2G), including a radio access network (Radio Access Network, RAN) 20 and a core network (CoreNetwork, CN) 30 . The radio access network 20 is used to handle all wireless-related functions, and the core network 30 handles all voice calls and data connections in UMTS, and implements switching and routing functions with the external network 40 . The core network is logically divided into a circuit switched domain (Circuit S...

Claims

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Application Information

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IPC IPC(8): H04Q7/20H04Q7/38H04W8/02H04W48/12H04W48/16H04W48/18
Inventor 邓永锋胡伟华郭均祥
Owner HUAWEI TECH CO LTD
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