KR20030054980A - Method for arriving of the post in mobile communication packet network - Google Patents

Abstract

PURPOSE: An incoming service method in a mobile communication packet network is provided to allocate domain names, so as to furnish an incoming service to subscribers to which IP(Internet Protocol) addresses are not allocated on packet service registration. CONSTITUTION: A corresponding Internet node(60) desiring packet communication with an MS(Mobile Station)(10) requests an IP address in compliance with a DNS(Domain Name Service) rule(S200). A GGSN(Gateway GPRS(General Packet Radio Service) Support Node)(50) sends a message of 'Send Routing Info for GPRS' to an HLR(home Location Register)(40)(S210), and the HLR(40) responds to the received message(S220). If the incoming subscriber receives an allocated IP address upon packet service registration, the GGSN(50) loads a corresponding IP address detected from a database on a message of 'PDU(Protocol Data Unit) Notification Request' to notify incoming to an SGSN(30)(Serving GPRS Support Node)(S230). If the incoming subscriber does not receive an IP address upon packet service registration, but receives an IP address from the GGSN(50), the GGSN(50) sends the message of 'PDU Notification Request' to the SGSN(30) to notify incoming(S230). If the SGSN(30) includes subscriber information and an incoming service is available, the SGSN(30) sends a message of 'PDU Notification Response' to the GGSN(50) to notify that an incoming process is being progressed(S250), and sends a paging message to the MS(10) to check whether communication is available, then performs a process of PDU Context Activation for packet communication(S260). If PDP Context is successfully performed and the IP address is allocated, the GGSN(50) loads the corresponding IP address on a DNS response message to the Internet node(60)(S270) to perform packet communication(S280).

Description

Incoming service method in mobile communication packet network {METHOD FOR ARRIVING OF THE POST IN MOBILE COMMUNICATION PACKET NETWORK}

The present invention relates to an incoming service method in a mobile communication packet network, and more particularly, to a method for providing an incoming service to a packet service subscriber using only a domain name.

1 is a block diagram of a mobile communication packet service network.

Referring to FIG. 1, the recommended mobile communication packet service network structure in a 3GPP GPRS packet network includes a terminal 10 using a wireless packet data service assigned with a fixed IP or dynamic IP, and a terminal to access a GPRS packet network. The UTRAN 20 assigns a radio bearer channel and a wired bearer channel with SGSN, manages the location and mobility of the terminal, and receives a call notification from the GGSN 50 to perform a paging function for the terminal to perform call setup. In order to transmit the SGSN 30 supporting the packet data and the packet data arriving at the GGSN, the UE informs the GGSN of the SGSN region in which the mobile terminal is currently located, and stores all information of the subscriber. It is composed of the GGSN (50) that serves as a gateway for assigning IP addresses and matching to the Internet or intranet.

The GGSN 50 assigns an IP address to a fixed IP address allocation method and a dynamic IP address assignment method.

The static IP address allocation method is registered in the HLR because the packet data service user is assigned an IP address at the time of subscription.

In dynamic IP address allocation method, GGSN assigns idle IP address when UE requests service to receive packet data service, or allocates IP address using DHCP server used to assign IP address in service provider network. When finished, return the IP address.

The current GGSN should provide functionality for both dynamic and static IP address assignment.

Incoming service is limited to a terminal having a fixed IP address. Any host connected to the Internet or a mobile communication network subscriber who provides a packet service transmits packet data using a fixed IP address uniquely assigned to the packet service subscriber.

2 is a signal flowchart illustrating a call service method according to the prior art.

When a node sends packet data to transmit / receive data to a terminal having a fixed IP address, the packet data arrives at the GGSN having information about the fixed station (S100).

The GGSN 50 finds the IMSI value corresponding to the IP address in the internal DB and sends the message to the HLR by inserting it into a message called Send Routing Info for GPRS (S110).

When the HLR uses the IMSI value to send the SGSN number where the UE is located in the Sending Routing for GPRS Ack message and sends it to the GGSN (S120), the GGSN sends a PDP NotificationRequest message to the SGSN to inform that the packet has arrived (S130). In addition, SGSN transmits a PDU Notification response message (S140), and SGSN sends a Request PDP Context Activation message to the UE (S150) to allow the UE to perform a PDP Context Activation procedure (S160).

However, the above-described conventional technique cannot provide an incoming service unless the packet service subscriber of the mobile communication network uses a pre-assigned IP. Also, for packet communication with the subscriber, the IP address assigned to the mobile subscriber must be used. The disadvantage is that it must be used.

Accordingly, the present invention is to solve the problems of the prior art, to provide a method for providing a terminating service in a mobile communication packet service network for allocating a domain name to provide a terminating service to a subscriber who has not been assigned an IP address when joining a packet service. Has its purpose.

According to an embodiment of the present invention, a mobile communication packet service gate support node supports a mobile communication packet service according to a packet transmission request to a mobile terminal corresponding to a domain name input from an Internet-accessible client. Searching for the location of the node; It is determined whether the IP address of the mobile terminal corresponding to the domain name is allocated. If the mobile terminal is assigned an IP address as a result of the determination, the IP address is detected from a database and transmitted to the found mobile communication packet service support node. A second step of notifying the incoming call and notifying the searched mobile communication packet service support node by assigning an IP address when the mobile station has not been assigned an IP address; When the packet communication preparation completion message is received from the mobile communication packet service support node, the mobile communication packet service gate support node may perform a third step of supporting packet communication by transmitting a corresponding IP address to the client.

1 is a structural diagram of a mobile communication packet network;

2 is a signal flowchart for explaining an incoming service method according to the prior art.

3 is a signal flowchart for explaining an incoming service method in a mobile communication packet network according to the present invention;

*** Explanation of symbols for main parts of drawings ***

10: terminal

20: UTRAN (UMTS Terrestrial Radio Access Network)

30: Serving GPRS Support Node (SGSN)

40: Home Location Register (HLR)

50: Gateway GPRS Support Node (GGSN)

60: internet node

Hereinafter, with reference to the accompanying drawings an embodiment according to the present invention will be described in detail.

3 is a flowchart illustrating a method of providing an incoming service in a mobile communication packet service network according to the present invention.

Referring to FIG. 3, the method for providing an incoming service in a mobile communication packet service network according to the present invention supports a mobile communication packet service gate in response to a packet transmission request to a mobile terminal corresponding to a domain name input from an Internet-accessible client. The node comprising a first step of discovering the location of the mobile communication packet service support node; It is determined whether the IP address of the mobile terminal corresponding to the domain name is allocated. If the mobile terminal is assigned an IP address as a result of the determination, the IP address is detected from a database and transmitted to the found mobile communication packet service support node. A second step of notifying the incoming call, and notifying the searched mobile communication packet service support node by allocating an IP address if the mobile terminal has not been assigned an IP address; When a packet communication ready message is received from the mobile communication packet service support node, the mobile communication packet service gate support node may perform a third step of supporting packet communication by transmitting a corresponding IP address to the client.

The system configuration for implementing the present invention is the same as in the prior art, except that GGSN additionally performs a DNS (Domain Name Server) function to allocate a dynamic IP address to subscribers without an IP address, and uses a static IP address. It manages subscriber information of subscriber.

The domain name server is a system for converting a domain name into an IP address in order to enable only a domain name without storing a numerical IP address in order to access a specific host belonging to a specific network.

Therefore, in order to implement the method of the present invention, a domain name should be assigned to all subscribers in order to provide an incoming service to subscribers who have not been assigned an IP when joining a packet service.

The domain name follows the rules defined in RFC1034.Make sure to use the subscriber's called MSISDN number as the initial identifier of the domain name and the rest using the provider's Access Point Name-Operator Identifier (APN-OI) as follows: .

That is, the domain name of the terminal is 'MSISDN.MNCxxx.MCCyyy.GPRS'.

Here, xxx is a host belonging organization identification number such as 019, 011, etc., and yyy is a belonging country identification number such as 082.

After that, the incoming service method of the present invention will be described in detail with reference to FIGS. 1 and 3.

Any node 60 that can access the Internet requests packet service by using the subscriber's incoming number MSISDN number and the subscriber's service APN-0I to transmit packet data to the mobile terminal 10.

In this case, the packet service request is composed of the subscriber's MSISDN number and the domain name created using the operator's APN-01, not the IP address, so the IP address for the domain name must be known.

Therefore, the Internet node 60 that wants packet communication to the mobile terminal 10 makes an IP address request for MSISDN.MNCxxx.MCCyyy.GPRS according to DNS rules (S200).

Then, the GGSN 50 that performs the DNS server function finds the MSISDN number of the called party, sends a 'Send Routing Info GPRS' message to the HLR 40 with the MSISDN number of the called party, and the SGSN where the current subscriber is located. Request the address (S210).

The HLR 40 responds to the GGSN with the IMSI number of the called subscriber, the SGSN IP address, etc. in the 'Send Routing Info GPRS Ack' message (S220).

At this time, when the called subscriber is a subscriber assigned an IP address at the time of joining the packet service, the GGSN 50 notifies the incoming call to the SGSN by putting the corresponding IP address in a 'PDU Notification Request' message in its database (S230). .

However, if the called subscriber is a subscriber that is assigned from the GGSN 50 without being assigned an IP address when joining the packet service, the GGSN 50 sends a 'PDU Notification Request' message to the SGSN 30 to notify the incoming call (S230). ).

If there is subscriber information on the called subscriber in the SGSN 30, the incoming service can be provided, the GGSN 50 sends a 'PDU Notification Response' message to inform the terminal 10 that the call procedure is in progress (S250). After checking whether the communication is possible by sending a paging message (S240), and performs a PDU Context Activation procedure for packet communication (S260).

When the PDP context is successfully performed and the IP address is assigned, the GGSN sends the IP address corresponding to the DNS response message to the node on the Internet (S270) to enable packet communication (S280).

The present invention is not limited to the embodiments described above, and various modifications and changes can be made by those skilled in the art, which are included in the spirit and scope of the present invention as defined in the appended claims.

The present invention as described above can not only allow subscribers who have not been assigned an IP address to subscribe to a packet service, but also receive a packet forwarding service, and use a domain name including an MSISDN number and an APN-OI of an operator when requesting a packet forwarding service. As a result, the user can easily provide a packet receiving service.

Claims (2)

According to a packet transmission request to a mobile terminal corresponding to a domain name received from an Internet-accessible client, the mobile communication packet service gate support node searches for a location of the mobile communication packet service support node; It is determined whether the IP address of the mobile terminal corresponding to the domain name is allocated. If the mobile terminal is assigned an IP address as a result of the determination, the IP address is detected from a database and transmitted to the found mobile communication packet service support node. A second step of notifying the incoming call, and notifying the searched mobile communication packet service support node by allocating an IP address if the mobile terminal has not been assigned an IP address; When the packet communication ready message is received from the mobile communication packet service support node, the mobile communication packet service gate support node comprises a third step of supporting packet communication by transmitting a corresponding IP address to the client. Incoming service method in communication packet service network. The method of claim 1, wherein the domain name An incoming service method in a mobile communication packet service network, comprising a called number of a mobile terminal and an identification number of a mobile terminal service provider.