KR101608330B1 - Method for Managing Location Registration States, System And Apparatus Therefor - Google Patents

Abstract

One embodiment of the present invention relates to a location registration state management method and a system and apparatus therefor.

According to an embodiment of the present invention, there is provided a mobile communication terminal, comprising: a Circuit Service (CS) network for transmitting a push message including location registration information when the mobile communication terminal registers location; And a packet network for analyzing the push message received from the line network and storing a location registration state of the mobile communication terminal with respect to the line network.

According to an embodiment of the present invention, location registration information can be managed simultaneously with a circuit-based network in a transitional stage of establishing an infrastructure of an All IP network.

Location registration, packet based, line based, CS

Description

Field of the Invention < RTI ID = 0.0 > [0001] < / RTI &

One embodiment of the present invention relates to a location registration state management method and a system and apparatus therefor. More specifically, when a packet-based network and a circuit-based network coexist, a location where a packet-based network and a circuit-based network simultaneously perform location registration with respect to the mobile communication terminal A registration state management method, and a system and apparatus therefor.

In order to use wireless communication through the mobile communication terminal, the mobile communication terminal must be connected to the mobile communication network. In a mobile communication network, an area within a predetermined radius of a base station is defined as a cell, and terminals located in a specific cell must perform a location registration through a base station of the corresponding cell, It is possible. That is, the mobile communication network provides a wireless communication service that assures mobility to the mobile communication terminal. When the mobile communication terminal turns on the power, performs handover or periodically performs location registration, it always checks the terminal location in the mobile communication network .

Meanwhile, the International Organization for Standardization is developing a fourth generation mobile communication system after the third generation mobile communication. In order to establish the technical standard of 4th generation mobile communication and to cope with various forums and new technologies, research on network technology aimed at determining network structure and supporting mobility of heterogeneous networks is carried out In this paper, we propose an optimized packet-based system that minimizes transmission delay with improved data transmission capability by developing IP based system supporting various wireless access technologies.

However, if a new infrastructure for the fourth generation mobile communication system is not completely constructed, it is necessary to manage the location registration state of the mobile communication terminal through the existing circuit-based network.

According to an aspect of the present invention, there is provided a location registration state management method for enabling a packet-based network and a circuit-based network to simultaneously perform location registration with respect to a mobile communication terminal, a system and a device therefor The main purpose is to provide.

According to an aspect of the present invention, there is provided a mobile communication terminal comprising: a Circuit Service (CS) network for transmitting a push message including location registration information when a mobile communication terminal registers a location; And a packet network for analyzing the push message received from the line network and storing a location registration state of the mobile communication terminal with respect to the line network.

According to another aspect of the present invention, there is provided an apparatus for transmitting location registration information in a Circuit Service (CS) network, the apparatus comprising: subscriber information receiving and confirming subscriber information subscribed to a call continuation service from a line- Verification unit; A location registration confirmation unit for checking location registration of the mobile communication terminal corresponding to the subscriber information; And a location registration message manager for controlling the message server to transmit a push message including location registration information to a separate packet network when it is determined that the mobile communication terminal is registered through the location registration confirmation unit. And provides a registration information transmission apparatus.

According to another aspect of the present invention, there is provided an apparatus for managing location registration in a packet network, the apparatus comprising: a message receiver for receiving a push message from a circuit network through a network node; And a location registration management unit for analyzing the received push message to confirm the location registration information included in the push message and storing the location registration status of the mobile communication terminal registered in the network using the location registration information And a location registration management apparatus according to the present invention.

According to another aspect of the present invention, there is provided a method for controlling a mobile communication terminal, the method comprising: confirming location registration of a mobile communication terminal subscribed to a call continuation service in a circuit service (CS) network; Transmitting a push message including location registration information in the line network; And analyzing the push message received from the line network in the packet network and storing the location registration state of the mobile communication terminal with respect to the line network.

As described above, according to the embodiment of the present invention, the packet-based network and the circuit-based network simultaneously perform location registration with respect to the mobile communication terminal.

According to an embodiment of the present invention, when the All IP network is not a fully established communication service provider, the infrastructure of the All IP network is constructed with the line network. In this transition stage, When the registration is performed, the registration message is transmitted to the packet-based network through the push message, and the location registration information for the mobile communication terminal can be simultaneously managed in the circuit-based network and the packet-based network.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference numerals even though they are shown in different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected to or connected to the other component, It should be understood that an element may be "connected," "coupled," or "connected."

1 is a block diagram schematically showing a location registration state management system according to an embodiment of the present invention.

The location registration state management system according to an embodiment of the present invention includes a mobile communication terminal 110, a circuit service (CS) network 120, and a packet network 130.

The mobile communication terminal 110 is a terminal supporting dual band dual mode (DBDM) in which voice communication and data communication are performed by wireless communication in cooperation with the line network 120 and the packet network 130 do. The mobile communication terminal 110 may be a personal digital assistant (PDA), a cellular phone, a personal communication service (PCS) phone, a hand-held PC, a PlayStation Portable (PSP) Mobile Broadband System) phone. The mobile communication terminal 110 can support the line network 120 and the packet network 130 through the dual-band dual mode. In the present invention, the mobile communication terminal 110 preferably supports a dual-band dual mode, but is not limited thereto.

Also, the mobile communication terminal 110 is switched from the power-off state to the power-on state, or is changed in position due to handover or transmits the location registration message to the location registration information transmission device 124 of the network 120 at a predetermined period Function. Meanwhile, the mobile communication terminal 110 is a terminal subscribed to the continuous call service.

Here, the continuous call service is a service selection method in which a domain of the mobile communication system is selected in consideration of a user preference and an operator policy, a domain is selected based on superiority information, an originating / Terminating Call is a service that can be performed. Specifically, the call continuity service refers to a service capable of transmitting voice calls between the domain of the circuit network 120 and the domain of the evolved data packet core network 130. In other words, the call continuity service can be used to provide voice call originations, voice call terminations, and domain (s) to the domain of the evolved data packet core network 130 in the domain of the network 120, (Domain Transfer). Herein, domain switching is a method in which an access leg for a voice call to a user equipment (UE) (i.e., a mobile communication terminal) during an active session is transmitted from a domain of the line network 120 To the domain of the evolved data packet core network 130 or vice versa. The access leg refers to a call control leg between the mobile communication terminal 110 and a DTF (Domain Transfer Function). In order for a particular voice call / session to transition from the domain of the circuit network 120 to the domain of the evolved data packet core network 130 or vice versa, the signal path of the voice call / The DTF must be located on the top of the DTF. That is, in the present invention, the present invention is used to simultaneously perform location registration to the packet network 130 and the line network 120 through the call continuation service.

The circuit network 120 is a line-based network and is connected to the mobile communication terminal 110 wirelessly to perform functions such as voice communication service, wireless data service, wireless Internet service, video call or message service, etc. .

The circuit network 120 includes a transmitter 122, a location registration information transmission device 124, a message server 126, and an HLR 128. The transmitter 122 performs various functions necessary for wireless call processing such as location registration, radio channel assignment, and handoff, and receives a call request signal from the mobile communication terminal 110 through a traffic channel among the signal channels , Baseband signal processing, wired / wireless conversion, and wireless signal transmission / reception to directly connect to an originating terminal and a terminating terminal. The transmitter 122 may also be configured to transmit and receive radio channel allocation and release for the mobile communication terminal 110, transmission power control, inter-cell soft handoff and hard handoff decisions, transcoding, Vocoding, Global Positioning System (GPS) clock distribution, and the like.

The location registration information transmission device 124 is an exchange for performing basic and supplementary service processing for providing a voice communication service, incoming and outgoing call processing of a subscriber, location registration procedure and handoff procedure processing, do. The location registration information transmission device 124 according to an embodiment of the present invention transmits location registration information to the packet network 130 in the line network 120 and the mobile communication terminal 110 subscribed to the call continuation service When the location registration is performed, a push message including location registration information is transmitted to the packet network 130. The location registration information transmission device 124 receives subscriber information subscribed to the call continuation service from the HLR 128, confirms whether the location registration of the mobile communication terminal corresponding to the received subscriber information is registered, When it is confirmed that the mobile communication terminal 110 subscribed to the continuous service is registered, the message server 126 performs control to transmit a push message including location registration information to the packet network 130. Here, the location registration information is information including at least one of subscriber identification information and exchange identification information. When it is determined that the location registration information transmission device 124 is switched from the power off state to the power on state or the location is changed due to the handover and the location registration is newly performed, the location registration information transmission device 124 transmits the location registration information to the message server 126 And transmits a push message including the new location registration information.

The message server 126 is a server for processing message traffic transmitted between subscribers and transmits a push message including location registration information requested by the location registration information transmission device 124 to the packet network 130. The message server 126 may preferably be an SMS center, and may transmit the Call Back SMS in a push form, but is not limited thereto.

The HLR 128 is a line based subscriber information database storing a service profile related to information of a mobile communication subscriber to the line network 120. The HLR 128 is a line based subscriber information database for storing a Mobile Identification Number, an electronic serial number (ESN), and a service type to store subscriber information. The HLR 128 of the circuit network 120 may share location registration information of the mobile communication terminal 110 in conjunction with the HSS 136 of the packet network 130.

Packet network 130 is a packet-based network that is based on packet-based WCDMA, High Speed Packet Access (HSPA), WiMAX, WiMAX2, Long Term Evolution (LTE), LTE-Adv and Evolved Packet Core EPC) network. The packet network 130 is preferably an evolved packet core network, but is not necessarily implemented. Here, the evolved packet core network is a 2-tier distributed architecture, and is an all-IP network dedicated to a packet system, and includes a control plane and a user plane. Is a separate network. That is, the network structure of the evolved packet core network is based on a two-tier model of a packet-based transmitter 122, which is an eNodeB of an evolved UTRAN, and a gateway of a core network ENodeB is similar to the function of NodeB and RNC of UMTS system, and gateway can be considered to have SGSN / GGSN function of existing system. Another important feature is that the control plane between the access system and the core network and the user plane are exchanged with different interfaces. In the UMTS system, a single Iu interface exists between the RNC and the SGSN. On the other hand, the mobility management entity 134, which handles the control signal, has a separate structure from the gateway, do.

The packet network 130 includes a packet based transmitter (E-UTRAN) 132, a Mobility Management Entity (MME) 134, a Home Subscriber Server (HSS) 136, a Serving Gateway 137, A PDN (Packet Data Network) gateway 138, and a location registration management server 139. Of course, this is merely an illustrative description of the technical idea of the present invention. It is a matter of course that when the packet network 130 is implemented as a packet-based network rather than an evolved packet core network, Modifications and variations will be apparent to those skilled in the art.

The packet-based transmitter 122 performs various functions necessary for wireless call processing such as location registration, radio channel assignment, and handoff, receives a call request signal from the mobile communication terminal 110 through a traffic channel among signal channels, Baseband signal processing, wired / wireless conversion, and transmission / reception of radio signals. In addition, the packet-based transmitter 122 may further include a function of performing packet data processing. The packet-based transmitter 122 may perform a basic and supplementary service processing for providing a packet data service, an incoming and outgoing call processing of a subscriber, Process processing, interworking with other systems, and so on.

The mobility management entity 134 performs signaling in conjunction with the HSS 136 and basically performs mobility management for the mobile communication terminal 110. [ Here, the mobility management of the packet network 130 performed by the mobility management entity 134 is largely divided into two types. The first is the mobility between Inter-RAT (Radio Access Technology) systems in the packet network 130 and the second is the mobility between the packet network 130 and the line network 120.

The HSS 136 is a home subscriber server and is a packet-based subscriber information database storing a service profile related to information of a mobile communication subscriber to the packet network 130. The HSS 136 stores a terminal identification number of the mobile communication terminal 110, And stores information on the terminal unique number and service type to store subscriber information. Meanwhile, the HSS 136 of the packet network 130 can share the location registration information of the mobile communication terminal 110 in conjunction with the HLR 128 of the line network 120. That is, when the HLR 128 of the circuit network 120 transmits the location registration information to the PDN gateway 138 of the packet network 130, the PDN gateway transmits the location registration information received from the HLR 128 to the serving gateway 137 To the HSS 136 via the mobility management entity 134.

The serving gateway 137 and the PDN gateway 138 perform a function of interworking with other networks. Here, two types of gateways of the serving gateway 137 and the PDN gateway 138 can be seen. The serving gateway 137 is an anchor point for mobility management in the packet network 130 And the PDN gateway 138 can serve as an anchor point for managing mobility between the packet network 130 and the line network 120. [ The serving gateway 137 and the PDN gateway 138 may be implemented as single gateways in the present invention. However, the present invention is not limited thereto and the serving gateway 137 and the PDN gateway 138 may be configured as a single gateway configuration Option).

The location registration management server 139 is a device for managing location registration in the packet network 130. The location registration management server 139 interlocks with the network 120 and receives and manages location registration information for the network 120. [ The location registration management server 139 according to an embodiment of the present invention analyzes the push message received from the wire network 120 and checks the location registration status of the mobile communication terminal 110 registered in the wire network 120, Function. The location registration management server 139 receives the push message from the line network 120 through the PDN gateway 138 which is a network node, analyzes the received push message, confirms the location registration information included in the push message, And manages the location registration status of the mobile communication terminal 110 registered in the line network 120 using the information.

2 is a block diagram schematically showing an apparatus for transmitting location registration information according to an embodiment of the present invention.

The location registration information transmission device 124 according to an embodiment of the present invention transmits location registration information from the network 120 to the packet network 130. The location registration information transmission device 124 includes a subscriber information verification unit 210, And a location registration message management unit 230. Meanwhile, in the embodiment of the present invention, the location registration information transmission apparatus 124 includes only the subscriber information confirmation unit 210, the location registration confirmation unit 220, and the location registration message management unit 230 It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. The registration information transmission apparatus 124 may be modified and modified in various ways.

The subscriber information verification unit 210 receives subscriber information subscribed to the call continuation service from the HLR 128 of the line network 120. The location registration confirmation unit 220 confirms whether the mobile communication terminal 110 subscribed to the call continuation service registers location using the subscriber information received through the subscriber information confirmation unit 210. [

When it is determined that the mobile communication terminal 110 subscribed to the call continuity service is registered through the location registration confirmation unit 220, the location registration message management unit 230 causes the message server 126 to transmit a push message including location registration information To the packet network 130. [0033] FIG. Here, the location registration information is information including at least one of subscriber identification information and exchange identification information. On the other hand, the location registration message management unit 230 receives the location registration request from the mobile communication terminal 110 through the location registration confirmation unit 220, It controls the message server 126 to transmit a push message including new location registration information.

3 is a block diagram schematically showing a location registration management apparatus according to an embodiment of the present invention.

The location registration management server 139 according to an embodiment of the present invention manages location registration in the packet network 130 and includes a message receiving unit 310 and a location registration management unit 320. Although it is described in the embodiment of the present invention that the location registration management server 139 includes only the message receiving unit 310 and the location registration management unit 320, Those skilled in the art will appreciate that various modifications may be made to components included in the location registration management server 139 without departing from the essential characteristics of one embodiment of the present invention, Various modifications and variations may be applied to the present invention.

The message receiving unit 310 receives the push message from the message server 126 of the line 120 through the PDN gateway 138, which is a network node. The location registration management unit 320 analyzes the push message received from the message reception unit 310 and confirms the location registration information included in the push message and transmits the location registration information to the mobile communication terminal 110 And the location registration state of the mobile terminal.

4 is a flowchart illustrating a method of managing a location registration state according to an embodiment of the present invention.

The location registration information transmission device 124 of the circuit network 120 receives the subscriber information subscribed to the call continuation service from the HLR 128 (S410). When the mobile communication terminal 110 is switched from the power-off state to the power-on state, the location is changed due to handover, or a predetermined fixed period is reached, the location registration information transmission device 124 (S420). That is, the mobile communication terminal 110 transmits a location registration request message to the location registration information transmission device 124 via the transmitter 122 to perform location registration. The location registration request message is transferred to the HLR via the location registration information transmission device 124 acting as an exchange. The HLR 128 updates the location registration information of the corresponding mobile communication terminal 110, ) ≪ / RTI > In addition, the location registration information transmission device 124 serving as an exchange receives the location registration completion message from the HLR 128 and transmits the location registration completion message to the corresponding mobile communication terminal 110. Through such a series of location registration processes, each mobile communication terminal can receive registration and authentication of its own location.

The location registration information transmission device 124 of the circuit network 120 determines whether the mobile communication terminal 110 registered in the location using the subscriber information received from the HLR 128 is a subscriber of the call continuation service ). If it is determined in step S430 that the registered mobile communication terminal 110 is a terminal subscribed to the continuous call service, the location registration information transmission device 124 of the line network 120 transmits a push message including location registration information And transmits the message transmission request signal to the message server 126 (S440).

The message server 126 of the circuit network 120 transmits a push message including location registration information to the PDN gateway 138 of the packet network 130 S450). The PDN gateway 138 of the packet network 130 transmits the push message received from the message server 126 of the wireline network 120 to the location registration management server 139 at step S460. The location registration management server 139 analyzes the push message received from the message server 126 of the wire network 120 and confirms and manages the location registration status of the mobile communication terminal 110 registered in the wire network 120 S470).

Although it is described in FIG. 4 that steps S410 to S470 are sequentially executed, it is only described by way of example of the technical idea of an embodiment of the present invention. Those skilled in the art will appreciate that various modifications and adaptations may be made to those skilled in the art without departing from the essential characteristics of one embodiment of the present invention by changing the order described in Figure 4 or by executing one or more of steps S410 through S470 in parallel And therefore, it is not limited to the time-series order in Fig.

As described above, the location registration state management method according to an embodiment of the present invention illustrated in FIG. 4 can be implemented by a program and recorded on a computer-readable recording medium. A program for implementing a location registration state management method according to an exemplary embodiment of the present invention is recorded, and a computer-readable recording medium includes all kinds of recording devices for storing data that can be read by a computer system. Examples of such computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, etc., and also implemented in the form of a carrier wave (e.g., transmission over the Internet) . The computer readable recording medium may also be distributed over a networked computer system so that computer readable code is stored and executed in a distributed manner. In addition, functional programs, codes, and code segments for implementing an embodiment of the present invention can be easily deduced by programmers in the technical field to which the present invention belongs.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. That is, within the scope of the present invention, all of the components may be selectively coupled to one or more of them. In addition, although all of the components may be implemented as one independent hardware, some or all of the components may be selectively combined to perform a part or all of the functions in one or a plurality of hardware. As shown in FIG. The codes and code segments constituting the computer program may be easily deduced by those skilled in the art. Such a computer program can be stored in a computer-readable storage medium, readable and executed by a computer, thereby realizing an embodiment of the present invention. As the storage medium of the computer program, a magnetic recording medium, an optical recording medium, a carrier wave medium, or the like may be included.

It is also to be understood that the terms such as " comprises, "" comprising," or "having ", as used herein, mean that a component can be implanted unless specifically stated to the contrary. But should be construed as including other elements. All terms, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. Terms commonly used, such as predefined terms, are to be interpreted as being consistent with the contextual meaning of the related art, and are not to be construed as ideal or overly formal, unless expressly defined to the contrary.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the exemplary embodiments or constructions. It is a useful invention that generates an effect that can be applied to a communication network.

1 is a block diagram schematically showing a location registration state management system according to an embodiment of the present invention;

2 is a block diagram schematically showing an apparatus for transmitting location registration information according to an embodiment of the present invention.

3 is a block diagram schematically showing a location registration management apparatus according to an embodiment of the present invention.

4 is a flowchart illustrating a method of managing a location registration state according to an embodiment of the present invention.

Description of the Related Art

110: mobile communication terminal 120:

122: transmitter 124: location registration information transmission device

126: Message Server 128: HLR

130: evolved data packet core network

132: E-UTRAN 134: mobility management entity

136: HSS 137: Serving gateway

138: PDN gateway 139: location registration management server

210: Subscriber information confirmation unit 220: Location registration confirmation unit

230: location registration message management unit 310: message reception unit

320: Location registration manager

Claims (7)

A Circuit Service (CS) network for transmitting a push message including location registration information when the mobile communication terminal registers location; And A push-to-talk (PDA) system for analyzing the push message received from the line network and storing a location registration state of the mobile communication terminal with respect to the line- The location registration management system comprising: An apparatus for transmitting location registration information in a Circuit Service (CS) network, A subscriber information confirmation unit for receiving and verifying subscriber information subscribed to the call continuation service from the line based subscriber information database; A location registration confirmation unit for checking location registration of the mobile communication terminal corresponding to the subscriber information; And A location registration message management unit for controlling the message server to transmit a push message including location registration information to a separate packet network when it is confirmed that the mobile communication terminal has registered location through the location registration confirmation unit, And the location registration information is transmitted to the location registration server. 3. The method of claim 2, The location registration message management unit, If it is confirmed through the location registration confirmation unit that the mobile communication terminal is switched from the power off state to the power on state or the location is changed due to the handover to perform the new location registration, And transmits the push message to the location registration server. 3. The method of claim 2, The push message includes: Wherein the location registration information is an SMS push message. 3. The method of claim 2, The location registration information includes: The subscriber identification information, and the exchange identification information. An apparatus for managing location registration in a packet network, A message receiving unit for receiving a push message from a circuit network through a network node; A location registration manager for analyzing the received push message to confirm the location registration information included in the push message and storing the location registration status of the mobile communication terminal registered in the line network using the location registration information, The location registration management apparatus comprising: Confirming location registration of a mobile communication terminal subscribed to a call continuity service in a circuit service (CS) network; Transmitting a push message including location registration information in the line network; And Analyzing the push message received from the line network in a packet network and storing a location registration state of the mobile communication terminal with respect to the line network The location registration method comprising:

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