Method and apparatus for providing circuit switched domain services over a packet switched network

a technology of circuit switched domain and packet switched network, which is applied in the direction of wireless commuication services, digital transmission, connection management, etc., can solve the problem that the wide range of services currently offered within the cs domain cannot be used by a terminal using lte-connectivity

Inactive Publication Date: 2010-03-04
TELEFON AB LM ERICSSON (PUBL)
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  • Abstract
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Problems solved by technology

This means that the wide range of services currently offered within the CS domain can not be used by a terminal using LTE-connectivity, unless the termina

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  • Method and apparatus for providing circuit switched domain services over a packet switched network
  • Method and apparatus for providing circuit switched domain services over a packet switched network
  • Method and apparatus for providing circuit switched domain services over a packet switched network

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Embodiment Construction

[0034]As will be recognized by those skilled in the art, the innovative concepts described in the present application can be modified and varied over a wide range of applications. Accordingly, the scope of patented subject matter should not be limited to any of the specific exemplary teachings discussed above, but is instead defined by the following claims.

[0035]The novel features that are considered characteristic of this invention are set forth with particularity in the appended claims. The invention itself, however, both as to its organization and method of operation, as well as additional objects and advantages thereof, will best be understood from the following description when read in connection with the accompanying drawing.

[0036]For the purposes of the present invention, the following terms and definitions apply:

[0037]24.008 over 3GPP PS network: A service which allows a terminal to make use of the CS call control also over a 3GPP packet switched network.

[0038]24.008 over 3G...

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Abstract

A method of determining a domain mode for a mobile station operating in either a circuit-switched domain or a packet-switched domain. A first domain mode is determined, and then a determination is made whether to rove from the first domain mode to a second domain mode. The determination may be made by a Packet Mobile Switching Center (PMSC) when, for example, the mobile station moves between Routing Areas. Alternatively, the mobile station may make the determination based, for example, on pre-provisioned selection criteria. The mobile station derives a Fully Qualified Domain Name (FQDN) based on a cell identifier of a current cell and uses the FQDN in a DNS query to obtain the IP address of the PMSC.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of U.S. Provisional Application No. 60 / 884,914 filed Jan. 15, 2007, the disclosure of which is incorporated herein by reference.BACKGROUND OF THE INVENTION[0002]The present invention relates to circuit switched domain services. More particularly, the present invention relates to providing circuit switched (CS) domain services over a packet switched (PS) network.[0003]When introducing LTE (Long Term Evolution)—the next generation radio access in 3GPP—there are only packet bearers available. This means that the wide range of services currently offered within the CS domain can not be used by a terminal using LTE-connectivity, unless the terminal either shifts to another radio access or is equipped with a second transceiver permitting parallel access to the CS-domain present in 2G and 3G networks. Examples of existing services are:[0004]Prepaid[0005]Regularity equipments for identity signaling[0006]Legal in...

Claims

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Application Information

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IPC IPC(8): H04W40/00H04L12/66H04W68/00H04W80/04
CPCH04W68/00H04W76/00H04L65/103H04L65/1016H04L65/1069H04W80/04H04L65/1095
Inventor HALLENSTAL, MAGNUSVIKBERG, JARI TAPIO
Owner TELEFON AB LM ERICSSON (PUBL)
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