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Access network selection apparatus and method in a heterogeneous system

An access network and hybrid network technology, applied in the field of optimal access network selection devices, can solve the problems of public network service restrictions, low service coverage, radio wave interference, etc.

Inactive Publication Date: 2005-04-06
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when providing high-speed data services through wireless LAN, there are limitations to providing public network services due to radio wave interference and very limited mobility and low service coverage

Method used

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  • Access network selection apparatus and method in a heterogeneous system
  • Access network selection apparatus and method in a heterogeneous system
  • Access network selection apparatus and method in a heterogeneous system

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Embodiment Construction

[0014] Hereinafter, embodiments according to the present invention will be described with reference to the accompanying drawings. In the following description of the present invention, a detailed description of well-known functions and constructions incorporated herein will be omitted for the purpose of brevity.

[0015] Embodiments of the present invention provide a method, in which a terminal selects the best access network in a hybrid network, where the hybrid network includes various access networks (such as , cellular mobile communication system based on code division multiple access / wideband code division multiple access (CDMA / WCDMA), wireless local area network (LAN) based on IEEE802.11x, IEEE 802.16 / 20, high-speed mobile Internet (HPI), etc.).

[0016] To do this, the terminal must obtain information about different types of access networks, or the access network must provide information enabling the terminal to connect to the best network. Therefore, the embodiment o...

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Abstract

An apparatus and method for connecting to one of different types of access networks in a heterogeneous network system in which the access networks overlap each other. The apparatus and method include attempting to connect to one of said one or more access networks according to a preset priority and receiving a communication service through the access network when a connection to the access network is successful; and attempting to connect to an access network having a next priority according to the preset priority when the connection to the access network is unsuccessful.

Description

technical field [0001] The invention relates to a network access device and method in a mobile communication system. In particular, it relates to an optimal access network selection device and method in a network environment where various access networks overlap each other. Background technique [0002] The mobile communication system has evolved from the first and second generation, voice service-centric systems through circuit networks to the International Mobile Telecommunications-2000 (IMT-2000) system, the third generation digital mobile communication system. In the mobile phone system so far, each country has adopted schemes such as the Global System for Mobile Communications (GSM) in Europe, the Personal Digital Cellular Communications (PDC) scheme in Japan, the Time Division Multiple Access (TDMA) scheme in North America and A scheme of a global system such as a Code Division Multiple Access (CDMA) scheme, and each service is provided. In order to unify these diffe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L12/66H04W48/18H04W88/06
CPCH04W88/06H04W48/18
Inventor 丁诸铉李相道朴浚皓金镇晚金泰源全永基
Owner SAMSUNG ELECTRONICS CO LTD