KR100619866B1 - UATI SOURCE MANAGEMENT METHOD FOR 1xEV-DO WIRELESS INTERNET SERVICE - Google Patents

UATI SOURCE MANAGEMENT METHOD FOR 1xEV-DO WIRELESS INTERNET SERVICE Download PDF

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KR100619866B1
KR100619866B1 KR20040041034A KR20040041034A KR100619866B1 KR 100619866 B1 KR100619866 B1 KR 100619866B1 KR 20040041034 A KR20040041034 A KR 20040041034A KR 20040041034 A KR20040041034 A KR 20040041034A KR 100619866 B1 KR100619866 B1 KR 100619866B1
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uati
1xev
access terminal
terminal identifier
wireless internet
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KR20040041034A
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KR20050115680A (en )
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김희원
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엘지전자 주식회사
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본 발명은 1xEV-DO(Evolution Data Only) 무선 인터넷 서비스의 UATI(Unicast Access Terminal Identifier)자원 관리방법에 관한 것으로, 무선 인터넷 서비스 가입시, 인증키를 미리 할당하여, 사용자의 UATI(Unicast Access Terminal Identifier)할당 요구시 인증 처리함으로써, 불법의 사용자에 의해 발생하는 이동통신망의 UATI(Unicast Access Terminal Identifier)자원 소모로 인한 서비스 불가능 상태를 방지하도록 한 것이다. The invention 1xEV-DO (Evolution Data Only) relates to a UATI (Unicast Access Terminal Identifier) ​​the resource managing method of wireless Internet service, by pre-assigning a wireless Internet services of registration, the authentication key, the user's (Unicast Access Terminal Identifier) ​​UATI by the authentication processing when allocation request, to a service so as to prevent possible conditions caused by (Unicast Access Terminal Identifier) ​​UATI in a mobile communication network caused by the user's illegal resource consumption. 이를 위하여 본 발명은 무선 액세스망으로부터, UATI할당 요구 메시지를 수신하는 과정; To this end, the present invention is a process of from the radio access network, receives the UATI assignment request message; 상기 UATI할당 요구 메시지의 인증키를 추출하고, 그 추출된 인증키로 UATI할당DB를 검사하는 과정; The process of the UATI extract the authentication key of the allocation request message, and examine the UATI assignment DB key the extracted authentication; 및 상기 검사결과, UATI 할당 요구를 최초로 송신한 단말이면, 사용가능한 UATI목록에서 UATI를 선택하여 레코드에 기록한 다음, 무선 액세스망으로 UATI할당 메시지를 전송하는 과정;으로 이루어진다. And a result of the checking, if the first terminal that sent the UATI assignment request, using the process of selecting the UATI in the UATI possible list by sending a record to the next record, UATI assignment message to the wireless access network; consists of.

Description

1xEV-DO 무선 인터넷 서비스의 UATI자원 관리방법{UATI SOURCE MANAGEMENT METHOD FOR 1xEV-DO WIRELESS INTERNET SERVICE} 1xEV-DO UATI resource management method of a wireless Internet service {UATI SOURCE MANAGEMENT METHOD FOR 1xEV-DO WIRELESS INTERNET SERVICE}

도1은 1xEV-DO(Evolution Data Only) 이동통신망의 구조를 보인 개략도. 1 is a schematic diagram showing a structure of a mobile 1xEV-DO (Evolution Data Only) network.

도2는 1xEV-DO(Evolution Data Only) 이동통신망의 이동성 관리 구조를 보인 개략도. Figure 2 is a schematic diagram showing a structure of mobility management of the mobile 1xEV-DO (Evolution Data Only) network.

도3은 1xEV-DO(Evolution Data Only) 무선 인터넷 서비스 동작을 보인 개략도. Figure 3 is a 1xEV-DO (Evolution Data Only) schematic view showing a wireless Internet service operation.

도4는 단말이 서브넷을 이동할때, 1xEV-DO 세션 정보 전달 성공한 경우를 보인도. Figure 4 is when the UE moves to the subnet, showing a case where a successful transmission 1xEV-DO session information.

도5는 종래 IS-856 무선 접속 규격에서 사용되는 UATI(Unicast Access Terminal Identifier) 할당 요구 메시지의 포맷을 보인도. 5 is a diagram showing the format of an allocation request message (Unicast Access Terminal Identifier) ​​UATI used by the conventional IS-856 compliant wireless connection.

도6은 본 발명 1xEV-DO(Evolution Data Only) 무선 인터넷 서비스의 UATI(Unicast Access Terminal Identifier)자원 관리방법을 보인 동작 흐름도. Figure 6 is the invention 1xEV-DO (Evolution Data Only) UATI (Unicast Access Terminal Identifier) ​​showing the operation flow chart of the resource management method, the wireless Internet service.

도7은 도6에 있어서, UATI(Unicast Access Terminal Identifier) 할당 요구 메시지의 포맷을 보인도. 7 is Fig. 6, (Unicast Access Terminal Identifier) ​​UATI diagram showing the format of an allocation request message.

본 발명은 1xEV-DO(Evolution Data Only) 무선 인터넷 서비스의 UATI(Unicast Access Terminal Identifier)자원 관리방법에 관한 것으로, 특히 무선 인터넷 서비스 가입시, 인증키를 미리 할당하여, 사용자의 UATI(Unicast Access Terminal Identifier)할당 요구시 인증 처리함으로써, 불법의 사용자에 의해 발생하는 이동통신망의 UATI(Unicast Access Terminal Identifier)자원 소모로 인한 서비스 불가능 상태를 방지하도록 한 1xEV-DO(Evolution Data Only) 무선 인터넷 서비스의 UATI(Unicast Access Terminal Identifier)자원 관리방법에 관한 것이다. The invention 1xEV-DO (Evolution Data Only) relates to a UATI (Unicast Access Terminal Identifier) ​​the resource managing method of wireless Internet services, in particular to pre-allocate a wireless Internet services of registration, the authentication key, the user of the UATI (Unicast Access Terminal Identifier ) by assigning processing request for authentication, the mobile communication network caused by the user's illegal UATI (Unicast Access Terminal Identifier), a 1xEV-DO (Evolution Data Only to prevent the service is not disabled due to resource exhaustion) wireless Internet service UATI ( Unicast Access Terminal Identifier) ​​relates to resource management.

CDMA2000 1xEV-DO(Evolution Data Only) 기술은 기존의 CDMA2000 기술이 지닌 데이터 통신의 한계를 극복하기 위해 개발된 것으로, 고속 데이터 통신을 사용하기 위한 것이며, 현재 상용 서비스 중이다. CDMA2000 1xEV-DO (Evolution Data Only) technology was developed to overcome the limitations of the data communication is an existing technique with CDMA2000, being for use with high-speed data communication, are currently commercially available services.

도1과 같은 1xEV-DO(Evolution Data Only) 이동통신망의 구조와, 도2와 같은 1xEV-DO(Evolution Data Only) 이동통신망의 이동성 관리 구조는 현재 구성된 1xEV-DO(Evolution Data Only) 이동통신 망의 구조로써, 기존 음성통화를 위한 이동통신망과는 달리, 망 구성요소를 추가하여 데이터 통신을 위한 단말과 이동통신 망 간의 정보관리를 위한 것이다. 1 and 1xEV-DO (Evolution Data Only) 1xEV-DO (Evolution Data Only) mobility management structure of a mobile communication network such as a cellular network structure, and Figure 2 the same to move the currently configured 1xEV-DO (Evolution Data Only) communication network as a structure, unlike the mobile communication network for conventional voice communication, and is used for management information between the terminal and the mobile communication network for data communication to add a network element.

일반적으로, 단말기는 1xEV-DO(Evolution Data Only) 무선 인터넷 서비스를 사용할 때, 1xEV-DO(Evolution Data Only) 전용 네트워크에 접속하기 위한 식별자인 UATI(Unicast Access Terminal Identifier)를 할당 받은 다음, 1xEV-DO(Evolution Data Only) 네트워크 사이의 고속 데이터 통신 서비스를 이용하기 위한 세션정보를 생성하여 관리하게 되며, 상기 세션 정보를 만든 후 실제 트래픽을 전송하기 위한 데이터 호 연결을 생성하여, 파일 전송 및 웹 브라우징 등의 서비스를 이용하게 된다. In general, the terminal 1xEV-DO (Evolution Data Only) when using a wireless Internet service, 1xEV-DO (Evolution Data Only) assigned to the UATI (Unicast Access Terminal Identifier) ​​identifier for the connection to a private network, and then, 1xEV- DO (Evolution data Only) is managed by generating a session information for using the high-speed data communication services between a network, by generating a data call connection to transmit the actual traffic after creating the session information, file transfer, and web browsing It preferred to use the services, such as.

여기서, 종래 1xEV-DO(Evolution Data Only) 무선 인터넷 서비스 동작을, 도3 및 도4를 참조하여 설명한다. Here, a description will be given with reference to a conventional 1xEV-DO (Evolution Data Only) wireless Internet service operation, Figs.

우선, 최초 호 접속을 시도할 경우, 도3a의 a~g 까지의 과정은, 단말이 1xEV-DO(Evolution Data Only) 서비스를 이용하기 위한 초기 접속을 하기 위한 식별자인 UATI(Unicast Access Terminal Identifier)를 할당받는 과정이으로, 단말이 전송한 UATI(Unicast Access Terminal Identifier) 할당요구는 AN(Access Network)액세스망을 거쳐 PCF(Packet Control Function)의 SC/MM(Session Control/Mobility Management)에 전달되며, SC/MM(Session Control/Mobility Management)은 UATI(Unicast Access Terminal Identifier)를 할당한다. First, when trying to first call connection, and the processing, the terminal 1xEV-DO (Evolution Data Only) (Unicast Access Terminal Identifier) ​​identifier, UATI for the initial connection for using the service to the a ~ g of Figure 3a in this process, (Unicast access terminal Identifier) ​​UATI assignment request by a terminal is transmitted assigned a is through the access networks (access network) aN is transmitted to the (Packet Control Function) (Session Control / Mobility Management) SC / MM in the PCF , SC / (Session Control / Mobility Management) MM allocates (Unicast Access Terminal Identifier) ​​UATI.

그리고, 도3a의 h~o 까지의 과정은 단말이 세션 정보를 만드는 과정으로, 상기 할당받은 UATI(Unicast Access Terminal Identifier)를 이용해서 1xEV-DO(Evolution Data Only) 망에 접속한 다음, 트래픽 채널을 열고 세션을 협상한후, 그 세션 협상이 끝나면 단말과 네트워크은 동일한 세션정보를 갖게 되며, 단말은 1xEV-DO(Evolution Data Only) 서비스를 이용할 준비가 된 것이다. And, Fig process to 3a h ~ o of the terminal is in the process of creating the session information, using a UATI (Unicast Access Terminal Identifier) ​​the allocated access to the network 1xEV-DO (Evolution Data Only) Next, a traffic channel after the opening session of negotiations, at the end of the session negotiation will have the same terminal session information neteuwokeueun, the terminal will be ready to use the 1xEV-DO (Evolution Data Only) services.

그리고, 도3a 및 도3b의 p~bb 까지의 과정은, 단말이 트래픽 채널을 열고, 이동성 관리를 위해 위치 정보를 갱신한 다음, PPP와 LCP 연결을 위해 인증을 수행하는 것이다. And, of course to the p ~ bb 3a and 3b is, to a terminal to open a traffic channel, updating the location information to the mobility management performed Next, an authentication for the PPP LCP connection.

그리고, 도3b의 cc~ii까지의 과정은, 단말과 PDSN간 채널을 열어서 데이터 서비스 경로를 만들고, 데이터 서비스를 이용하는 것이다. Then, the process of Figure 3b to the cc ~ ii, to use an open channel between the terminal and the PDSN create a data service channel, the data service.

만약, 단말이 서브넷을 이동하는 경우, 단말은 새로 진입한 서브넷에 UATI(Unicast Access Terminal Identifier)를 다시 요구하게 된다. If, when the terminal moves to the subnet, the terminal is again required the UATI (Unicast Access Terminal Identifier) ​​to new entrants subnet.

상기 새로운 서브넷은 단말에 새로운 UATI(Unicast Access Terminal Identifier)를 할당하고, 이동하기 이전의 서브넷에서 이동한 후의 서브넷으로 세션정보를 넘기게 된다. The new subnet, the session information is carried over to the subnet after being assigned a new UATI (Unicast Access Terminal Identifier) ​​to the terminal, and shifts from the old subnet to the mobile.

여기서, 도4는 단말이 서브넷을 이동할때, 1xEV-DO(Evolution Data Only) 세션 정보 전달 성공한 경우이다. Here, Figure 4 is when the terminal is successful to move the subnet, transmission 1xEV-DO (Evolution Data Only) session information.

즉, 도4의 a~i 까지의 과정은, 단말이 서브넷을 이동하여 새로운 서브넷으로 진입했을 때, 새로운 서브넷의 세션을 관리하는 PCF(Packet Control Function)로 UATI(Unicast Access Terminal Identifier) 할당 요구를 하게 되는데, 즉 새로운 서브넷의 PCF(Packet Control Function)는 기존에 단말이 서비스를 받던 PCF(Packet Control Function)로 A13 인터페이스를 통해 세션 정보를 요구하고, 기존 PCF(Packet Control Function)는 새 PCF(Packet Control Function)로 세션 정보를 넘겨주게 된다. That is, the process up to a ~ i 4, the terminal is new, when the subnet entry to, PCF (Packet Control Function) to (Unicast Access Terminal Identifier) ​​UATI for managing a session of a new subnet allocation request to the mobile subnets that there is, or PCF (Packet Control Function) of a new subnet is required session information terminal via the A13 interface to the PCF (Packet Control Function) batdeon services to existing and conventional PCF (Packet Control Function) is a new PCF (Packet to Control Function) it is dropped over the session information.

만약, 단말이 세션을 넘겨주는 과정이 성공한다면, 새 PCF(Packet Control Function)는 단말에 새로운 UATI(Unicast Access Terminal Identifier)를 할당하게 된다. If, if the terminal is successful, the process of passing the session, the new PCF (Packet Control Function) is assigned a new UATI (Unicast Access Terminal Identifier) ​​to the terminal.

그리고, 도4의 j~o 까지의 과정은, 새 PCF(Packet Control Function)가 PDSN에 세션을 등록하는 과정이다. And, of course to j ~ o Figure 4 is a process of registering a new session in the PCF (Packet Control Function) PDSN.

구체적으로 상술하면, 도4는 단말이 서브넷을 이동할 때, 세션 정보 전달 실패한 경우를 도시한 것으로, 새로운 PCF(Packet Control Function)가 기존 PCF(Packet Control Function)로 세션 정보를 요구했으나, 세션 정보를 전해줄 수 없을 때, 또는 정해진 시간 안에 세션 정보 응답을 받지 못했을 경우이다. Specifically as described above, Figure 4 is when the UE moves to the subnet, by showing an unsuccessful delivery session information, but the new PCF (Packet Control Function) required for the session information to the old PCF (Packet Control Function), the session information, If you are, or have not received a response within a certain time when no session information jeonhaejul.

이때, 새로운 AN(Access Network)은 단말과의 세션을 닫고, 이에 따라 단말은 세션을 새로 설정하기 위해, 상기 도3a 및 도3b의 과정을 새로운 AN(Access Network)에서 수행하게 되는데, 이 경우 기존 세션 정보를 기존 PCF(Packet Control Function)에서 받아올 수 없으므로 세션을 새로 만든다. At this time, close the session with the new (Access Network) AN are the terminal, whereby the terminal there is carried out a the process of Figures 3a and 3b in order to set up a new session in the new AN (Access Network), In this case, the existing It can not come to accept the session information from an existing PCF (Packet Control Function) create a new session.

상술한 종래 기술은, 1xEV-DO(Evolution Data Only) 서비스를 사용하기 위해 초기 접속을 할 경우, 인증 받지 않은 단말이 UATI(Unicast Access Terminal Identifier)를 할당 받을 수 있는데, 이렇게 인증 받지 못한 불법 단말의 UATI(Unicast Access Terminal Identifier) 요구로 서비스를 방해할 수 있는 위험 요소가 존재한다. If the initial network in order to use the prior art described above, 1xEV-DO (Evolution Data Only) service, there is an unauthorized terminal it can be assigned a (Unicast Access Terminal Identifier) ​​UATI, so unauthorized illegal terminal the (Unicast Access Terminal Identifier) ​​UATI risk factors that can interfere with the service requirements exist.

즉, 도3a a~g 과정을 다시 보면 단말과 PCF(Packet Control Function)의 SC/MM(Session Control/Mobility Management)간 UATI(Unicast Access Terminal Identifier) 할당 요구와 UATI(Unicast Access Terminal Identifier) 할당을 하는 과정에서 어떠한 인증도 일어나지 않는다. That is, the Fig. 3a a ~ g Looking back at the process station and the PCF (Packet Control Function) SC / MM (Session Control / Mobility Management) between (Unicast Access Terminal Identifier) ​​assignment request and (Unicast Access Terminal Identifier) ​​UATI UATI's assigned the process does not happen any certification from that.

그러므로 PCF(Packet Control Function)의 SC/MM(Session Control/Mobility Management)은 단말이 UATI(Unicast Access Terminal Identifier) 할당 요구를 할 때, 아무런 식별과정 없이 UATI(Unicast Access Terminal Identifier)를 할당하므로, 인증받지 않은 사용자가 UATI(Unicast Access Terminal Identifier) 할당 요구를 보낼 수 있다. Thus (Packet Control Function) SC / (Session Control / Mobility Management) MM in the PCF when the terminal to the allocation request (Unicast Access Terminal Identifier) ​​UATI, without identification process will allocate the (Unicast Access Terminal Identifier) ​​UATI, certification not that, the user can send a request (Unicast Access Terminal Identifier) ​​assigned UATI.

즉, 불법 사용자에 의해, UATI(Unicast Access Terminal Identifier) 할당 요구를 대량으로 보냄으로써 서비스 거부 공격의 위험 요소가 될 수 있다. In other words, by, sending an allocation request (Unicast Access Terminal Identifier) ​​UATI in large quantities by the unauthorized user may be at risk of denial of service attacks.

도5는 IS-856 무선 접속 규격에서 사용되는 UATI(Unicast Access Terminal Identifier) 할당 요구 메시지의 포맷으로, 8 bit의 메시지 아이디(message id)와 8 bit의 트랜잭션 아이디(transaction id) 만이 있을 뿐, 유일한 식별자가 메시지에 존재하지 않는다. 5 is as there is only UATI (Unicast Access Terminal Identifier) ​​to the format of the allocation request message, the 8 bit message ID (message id) and the transaction ID (transaction id) of 8 bit used in the IS-856 radio access standard, the only identifier is not present in the message.

상기 IS-856 UATI(Unicast Access Terminal Identifier) 할당 요구 메시지는 액세스망을 거쳐서 PCF(Packet Control Function)의 SC/MM(Session Control/Mobility Management) 까지 전달된다. The IS-856 UATI (Unicast Access Terminal Identifier) ​​assignment request message through the access network, is transmitted to the (Packet Control Function) (Session Control / Mobility Management) SC / MM in the PCF.

최초에 세션을 만들기 위한 호 접속을 할 때, 도3a의 i~j 과정에서 비로소 Connetion Request 한 단말의 유일한 식별자인 ESN을 받게 되며, 단말에 대한 인증은 도3a의 r~s 과정에서 비로소 이루어진다. When the connection call to create a session for the first time, it will receive a unique identifier of ESN of finally Connetion Request the terminal in the i ~ j the process of Figure 3a, the authentication for the terminal is performed until at r ~ s the process of Figure 3a.

그러므로 1xEV-DO(Evolution Data Only)의 무선 채널을 획득한 단말이 서비스를 받을 수 있는 유효한 단말인지 여부에 상관없이 UATI(Unicast Access Terminal Identifier) 할당을 할 수 있다. Therefore, it is possible to the 1xEV-DO (Evolution Data Only) (Unicast Access Terminal Identifier) ​​UATI whether it is a valid terminal in the terminal obtained on a radio channel can be served by the assigned.

상기 UATI(Unicast Access Terminal Identifier) 할당 요구 메시지는 ESN이나 MAC 어드레스 같은 유일한 식별자를 갖지 않으므로, 동일한 단말이 UATI(Unicast Access Terminal Identifier) 할당을 요구할 때 PCF(Packet Control Function)의 SC/MM(Session Control/Mobility Management)이 기존에 단말에 할당했던 UATI(Unicast Access Terminal Identifier) 자원을 회수하기 어렵다. The UATI (Unicast Access Terminal Identifier) ​​assignment request message does not have a unique identifier such as ESN, or MAC address, the same terminal UATI (Unicast Access Terminal Identifier) ​​when requesting the allocation PCF (Packet Control Function) SC / MM (Session Control of / Mobility Management) is difficult to recover the Unicast Access terminal Identifier (UATI) that resources allocated to the terminal in an existing.

따라서 PCF(Packet Control Function)의 SC/MM(Session Control/Mobility Management)의 UATI(Unicast Access Terminal Identifier) 자원을 불필요하게 소모시키며, 이것으로 인해 서비스 불가능 상황이 조기에 발생할 수 있다. Therefore, PCF (Packet Control Function) sikimyeo of consumed unnecessarily (Unicast Access Terminal Identifier) ​​UATI resources of the SC / MM (Session Control / Mobility Management), as this service is not possible because the situation can arise early.

즉, 상기 UATI(Unicast Access Terminal Identifier) 할당 과정은, 도3a의 a~g 과정이며, 이 경우 단말의 접속용 인증 코드 등의 정보를 PCF(Packet Control Function)의 SC/MM(Session Control/Mobility Management)이 받지 않으므로, PCF(Packet Control Function)의 SC/MM(Session Control/Mobility Management)의 UATI(Unicast Access Terminal Identifier) 자원을 UATI(Unicast Access Terminal Identifier) 할당 요구가 있을 때 무조건 내려주게 된다. In other words, the UATI (Unicast Access Terminal Identifier) ​​assignment procedure, Figure is a ~ g course of 3a, in this case the information such as the authentication code for access of a terminal PCF (Packet Control Function) SC / MM (Session Control / Mobility of Management) this does not, and is granted unconditionally down when the UATI (Unicast Access Terminal Identifier) ​​resources in the SC / MM (Session Control / Mobility Management) of the PCF (Packet Control Function) be allocated requirements Unicast Access Terminal Identifier (UATI).

이에 따라, 1xEV-DO(Evolution Data Only)의 무선 채널을 획득한 단말이 서비스를 받을 수 있는 유효한 단말인지 여부에 상관없이 UATI(Unicast Access Terminal Identifier) 할당을 할 수 있으며, 이는 부적절한 사용자에게 UATI(Unicast Access Terminal Identifier)를 할당해 줌으로써 UATI(Unicast Access Terminal Identifier) 자원을 소모하는 결과를 낳게 될 수 있다. Accordingly, to the 1xEV-DO (Evolution Data Only) (Unicast Access Terminal Identifier) ​​UATI whether it is a valid terminal in the terminal obtained on a radio channel it can be served by the assigned and which UATI to inappropriate users ( by giving to assign a Unicast Access Terminal Identifier) ​​may be having the result that consumes Unicast Access Terminal Identifier (UATI) resources.

상술한 바와같이, 종래에는 1xEV-DO(Evolution Data Only) 무선 인터넷 서비스를 사용하기 위하여, 초기 접속할 때, 인증받지 않는 단말이 UATI(Unicast Access Terminal Identifier)를 할당받을 수 있기 때문에, 그 인증받지 못한 단말이 UATI(Unicast Access Terminal Identifier)요구를 전송할 수 있는데, 만약, 인증받지 못한 단말에서 대량으로 UATI(Unicast Access Terminal Identifier)요구를 전송하게 되면 UATI(Unicast Access Terminal Identifier)자원의 소모로 인하여 1xEV-DO(Evolution Data Only) 무선 인터넷 서비스가 중단되는 문제점이 있다. Since, during the initial access, does not receive the authentication terminal it can be assigned a UATI (Unicast Access Terminal Identifier) ​​to use, in the prior art, 1xEV-DO (Evolution Data Only) wireless Internet service, as described above, do not receive the certification There the terminal can transmit the UATI (Unicast Access terminal Identifier) ​​requirements, if, UATI in an unauthorized terminal in large quantities (Unicast Access terminal Identifier) ​​When transmitting a request due to the consumption of the (Unicast Access terminal Identifier) ​​UATI resources 1xEV- DO (Evolution Data Only), there is a problem that the wireless internet service is interrupted.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로, 무선 인터넷 서비스 가입시, 인증키를 미리 할당하여, 사용자의 UATI(Unicast Access Terminal Identifier)할당 요구시 인증 처리함으로써, 불법의 사용자에 의해 발생하는 이동통신망의 UATI(Unicast Access Terminal Identifier)자원 소모로 인한 서비스 불가능 상태를 방지하도록 한 1xEV-DO(Evolution Data Only) 무선 인터넷 서비스의 UATI(Unicast Access Terminal Identifier)자원 관리방법을 제공함에 그 목적이 있다. The present invention been made in view of the above problems, a wireless Internet services of registration, and the authentication key previously assigned by the authentication processing upon the user's (Unicast Access Terminal Identifier) ​​UATI assignment request, generated by the user's illegal it is an object to provide a UATI (Unicast Access Terminal Identifier) ​​resources consumed service not a 1xEV-DO (Evolution Data Only) so as to prevent conditions due to the UATI (Unicast Access Terminal Identifier) ​​of a wireless Internet service resource management method in a mobile communication network .

상기와 같은 목적을 달성하기 위한 본 발명은, 무선 액세스망으로부터, UATI할당 요구 메시지를 수신하는 과정; The process of the present invention for achieving the above object is, from the radio access network, receives the UATI assignment request message; 상기 UATI 할당 요구 메시지의 인증키를 추출하고, 그 추출된 인증키로 UATI할당DB를 검사하는 과정; The process of the UATI extract the authentication key of the allocation request message, and examine the UATI assignment DB key the extracted authentication; 상기 검사결과, UATI 할당 요구를 최초로 송신한 단말이면, 사용가능한 UATI 목록에서 UATI를 선택하여 레코드에 기록한 다음, 무선 액세스망으로 UATI 할당 메시지를 전송하는 과정으로 수행함을 특징으로 한다. Determined that, by sending a UATI assignment request is a first terminal, from the available list, select the UATI UATI is characterized by performing a process of transmitting the record to the next record, UATI assignment message to the wireless access network.

이하, 본 발명에 의한 1xEV-DO(Evolution Data Only) 무선 인터넷 서비스의 UATI(Unicast Access Terminal Identifier)자원 관리방법에 대한 작용 및 효과를 첨부한 도면을 참조하여 상세히 설명한다. Reference to the drawings accompanying the 1xEV-DO (Evolution Data Only) Operation and Effect of the UATI (Unicast Access Terminal Identifier) ​​resource management method of a wireless Internet service according to the present invention will be described in detail.

도6은 본 발명 1xEV-DO(Evolution Data Only) 무선 인터넷 서비스의 UATI(Unicast Access Terminal Identifier)자원 관리방법에 대한 동작흐름도이다. 6 is an operational flow diagram for the present invention 1xEV-DO UATI (Unicast Access Terminal Identifier) ​​resource management method of (Evolution Data Only) wireless Internet service.

도6에 도시한 바와같이, 본 발명은 무선 액세스망으로부터, UATI(Unicast Access Terminal Identifier)할당 요구 메시지를 수신하는 과정과; 6, the present invention is the method comprising the steps of: receiving from the radio access network, (Unicast Access Terminal Identifier) ​​UATI assignment request message; 상기 UATI(Unicast Access Terminal Identifier)할당 요구 메시지의 인증키를 추출하고, 그 추출된 인증키로 UATI(Unicast Access Terminal Identifier)할당DB를 검사하는 과정과; The process of the UATI extract the authentication key of the (Unicast Access Terminal Identifier) ​​assignment request message, checks the allocation DB (Unicast Access Terminal Identifier) ​​UATI key and the extracted authentication; 상기 검사결과, UATI(Unicast Access Terminal Identifier) 할당 요구를 최초로 송신한 단말이면, 사용가능한 UATI(Unicast Access Terminal Identifier)목록에서 UATI(Unicast Access Terminal Identifier)를 선택하여 레코드에 기록한 다음, 무선액세스 망으로 UATI(Unicast Access Terminal Identifier)할당 메시지를 전송하는 과정과; The test results, as when transmitting the request UATI (Unicast Access Terminal Identifier) ​​assigned to the first terminal, used in the list of available UATI (Unicast Access Terminal Identifier), select (Unicast Access Terminal Identifier) ​​UATI and recorded on the record, and then the radio access network UATI and transmitting the allocation message (Unicast Access Terminal Identifier) ​​and; 상기 검사결과, UATI(Unicast Access Terminal Identifier)할당 요구를 이미 전송했던 단말기이면,기존 레코드에서 해당 UATI(Unicast Access Terminal Identifier)를 삭제하고, 사용가능한 UATI(Unicast Access Terminal Identifier)목록에 상기 삭제한 UATI(Unicast Access Terminal Identifier)를 추가하는 과정으로 이루어지며, 이와같은 본 발명의 동작을 설명한다. The test results, if the terminal that has already transmitted the allocation request (Unicast Access Terminal Identifier) ​​UATI, remove the UATI (Unicast Access Terminal Identifier) ​​in an existing record, available UATI (Unicast Access Terminal Identifier) ​​the delete a UATI to the list It made of a process of adding (Unicast Access Terminal Identifier), a description of such operation of the present invention.

먼저, 단말기의 식별자인 ESN을 가공하여, 그에 따른 인증키를 UATI(Unicast Access Terminal Identifier)할당 요구 메시지에 추가하는데, 도7은 단말이 무선액세스망(AN)으로 송신하는 수정된 UATI(Unicast Access Terminal Identifier) 할당 요구 메시지이다. First, by processing the identifier ESN of a terminal, modified UATI (Unicast Access to be transmitted to the to add the authentication key to the UATI (Unicast Access Terminal Identifier) ​​assignment request message, Figure 7 is a terminal is a wireless access network (AN) accordingly Terminal Identifier) ​​is an allocation request message.

즉, 단말이 기존 UATI(Unicast Access Terminal Identifier) 할당 요구 메시지인, 도5의 UATI(Unicast Access Terminal Identifier) 할당 요구 메시지에 단말의 식별자인 ESN을 가공한 인증키를, 메시지 ID와 트랜잭션 ID에 덧붙여 송신한다. That is, the terminal in addition to the existing UATI (Unicast Access Terminal Identifier) ​​assignment request message, which is, the authentication key processing the identifier ESN of the terminal in Figure 5 of the UATI (Unicast Access Terminal Identifier) ​​assignment request message, the message ID and the transaction ID It transmits.

상기 ESN을 가공한 결과물로 얻어지는 인증키는 1xEV-DO(Evolution Data Only) 서비스를 이용하기 위해 단말을 최초 개통할 때 단말기에 기록하고, 이에 따라 PCF(Packet Control Function)의 SC/MM(Session Control/Mobility Management)은 UATI(Unicast Access Terminal Identifier) 할당 요구에 대한 응답으로 UATI(Unicast Access Terminal Identifier)를 할당하며, 단말의 유일 식별자를 갖게 되어 UATI(Unicast Access Terminal Identifier)를 관리할 수 있는 DB의 키 값을 갖게 되는 것이다. Authentication key obtained as a result machining the ESN is a 1xEV-DO (Evolution Data Only) in order to use the service, and recorded in the terminal when the first opening of the terminal, whereby the SC / MM (Session Control of a PCF (Packet Control Function) / Mobility management) allocates a Unicast Access terminal identifier (UATI) in response to a request Unicast Access terminal identifier (UATI) assignment, to have the unique identifier of the terminal DB for managing a Unicast Access terminal identifier (UATI) which will have a key value.

이러한 UATI(Unicast Access Terminal Identifier) 할당 요구 메시지를, PCF(Packet Control Function)의 SC/MM(Session Control/Mobility Management)는 단말로부터 무선 액세스망을 거쳐 수신한다. The UATI (Unicast Access Terminal Identifier) ​​assignment request message, (Packet Control Function) SC / (Session Control / Mobility Management) MM in the PCF receives via the radio access network from the terminal.

그 다음, 상기 SC/MM(Session Control/Mobility Management)은 UATI(Unicast Access Terminal Identifier) 할당 요구 메시지의 암호화된 인증 코드를 키 값으로 하여 UATI(Unicast Access Terminal Identifier) 할당 DB를 검사한다. Then, the SC / (Session Control / Mobility Management) MM is to the encrypted authentication code in the allocation request message (Unicast Access Terminal Identifier) ​​UATI as a key-value determines the allocation DB (Unicast Access Terminal Identifier) ​​UATI.

상기 검사결과, 상기 UATI(Unicast Access Terminal Identifier) 할당 요구를 최초로 송신한 단말인 경우, 사용 가능한 UATI(Unicast Access Terminal Identifier) 목록에서 UATI(Unicast Access Terminal Identifier)를 선택하여 레코드에 기록한 다음, 단말로 UATI(Unicast Access Terminal Identifier) 할당 메시지를 송신한다. Determined that, in the case of the UATI sent the (Unicast Access Terminal Identifier) ​​assignment request the first terminal, used in the list of available UATI (Unicast Access Terminal Identifier), select (Unicast Access Terminal Identifier) ​​UATI and recorded on the record, then the terminal (Unicast Access Terminal Identifier) ​​assignment message, and transmits the UATI.

상기 검사결과, UATI(Unicast Access Terminal Identifier) 할당 요구를 이미 보냈던 단말인 경우, 기존 레코드에서 UATI(Unicast Access Terminal Identifier)를 삭제하고, 사용 가능한 UATI(Unicast Access Terminal Identifier) 목록에 레코드에서 삭제한 UATI(Unicast Access Terminal Identifier)를 추가한 다음, 그 사용 가능한 UATI(Unicast Access Terminal Identifier) 목록에서 사용 가능한 UATI(Unicast Access Terminal Identifier)를 선택하여 단말의 레코드에 기록한다. The test results, UATI (Unicast Access Terminal Identifier) ​​when the already spent terminal an allocation request, deleting from the old record (Unicast Access Terminal Identifier) ​​UATI, and deleted from the record on the available UATI (Unicast Access Terminal Identifier) ​​list UATI adding a (Unicast Access terminal Identifier) ​​and then, to select the available UATI (Unicast Access terminal Identifier) ​​list use UATI (Unicast Access terminal Identifier) ​​available from the records in the record of the terminal.

그 다음, SC/MM(Session Control/Mobility Management)은 단말에 UATI(Unicast Access Terminal Identifier) 할당 메시지를 송신한다. Then, the (Unicast Access Terminal Identifier) ​​UATI to the MS (Session Control / Mobility Management) SC / MM and transmits an assignment message.

즉, 본 발명은 무선 인터넷 서비스 가입시, 인증키를 미리 할당하여, 사용자의 UATI(Unicast Access Terminal Identifier)할당 요구시 인증 처리함으로써, 불법의 사용자에 의해 발생하는 이동통신망의 UATI(Unicast Access Terminal Identifier)자원 소모로 인한 서비스 불가능 상태를 방지하는 것이다. That is, the present invention is by the pre-assigned to a wireless Internet service of registration, the authentication key, the process on demand of (Unicast Access Terminal Identifier) ​​UATI user assigned authentication, (Unicast Access Terminal Identifier) ​​UATI in a mobile communication network caused by the user's illegal to prevent the service it is not disabled due to resource exhaustion.

상기 본 발명의 상세한 설명에서 행해진 구체적인 실시 양태 또는 실시예는 어디까지나 본 발명의 기술 내용을 명확하게 하기 위한 것으로 이러한 구체적 실시예에 한정해서 협의로 해석해서는 안되며, 본 발명의 정신과 다음에 기재된 특허 청구의 범위내에서 여러가지 변경 실시가 가능한 것이다. Should not be narrowly interpreted as limited to these specific Examples detailed embodiment is performed in the following detailed description of the present invention embodiments or examples are intended to clarify the technical contents of the present invention only, the claims set forth in the spirit and following of this invention it is possible for various modifications carried out in the range.

이상에서 상세히 설명한 바와같이 본 발명은, UATI(Unicast Access Terminal Identifier) 할당 요구 메시지에 단말이 유일하게 갖고 있는 식별자를 추가하여 전송함으로써, UATI(Unicast Access Terminal Identifier) 자원을 효율적으로 관리할 수 있고, 또한 서비스에 가입시, 사전에 인증받은 인증 키를 사용함으로써 인증받지 않은 사용자의 UATI(Unicast Access Terminal Identifier) 할당 요구로 인한 UATI(Unicast Access Terminal Identifier) 자원 소모를 방지하는 효과가 있다. As described above may present invention, by sending to add an identifier that has the terminal is only to (Unicast Access Terminal Identifier) ​​UATI assignment request message, to efficiently manage a UATI (Unicast Access Terminal Identifier) ​​resources, also acceding to the service, there is an effect to prevent the use of authentication key certified in advance due to the allocation of the user (Unicast Access Terminal Identifier) ​​UATI has received the authentication request UATI (Unicast Access Terminal Identifier) ​​resource consumption.

Claims (5)

  1. 무선 액세스망으로부터, UATI할당 요구 메시지를 수신하는 과정; From the radio access network, UATI allocation method comprising the steps of: receiving a request message;
    상기 UATI할당 요구 메시지의 인증키를 추출하고, 그 추출된 인증키로 UATI할당DB를 검사하는 과정; The process of the UATI extract the authentication key of the allocation request message, and examine the UATI assignment DB key the extracted authentication; And
    상기 검사결과에 기초하여 UATI 할당 요구를 최초로 송신한 단말이면, 사용가능한 UATI목록에서 UATI를 선택하여 레코드에 기록한 다음, 무선액세스 망으로 UATI할당 메시지를 전송하는 과정으로 수행함을 특징으로 하는 1xEV-DO 무선 인터넷 서비스의 UATI자원 관리방법. If the terminal by transmitting the UATI assignment request first, based on a result of the checking, available from UATI list, select the UATI and recorded on the record and, 1xEV-DO, characterized by carrying out a process of transmitting a UATI assignment message to the radio access network UATI resource management method of a wireless Internet service.
  2. 제1 항에 있어서, According to claim 1,
    UATI할당 요구를 이미 전송했던 단말기이면,기존 레코드에서 해당 UATI를 삭제하고, 사용가능한 UATI목록에 상기 삭제한 UATI를 추가하는 과정을 더 포함하는 것을 특징으로 하는 1xEV-DO 무선 인터넷 서비스의 UATI자원 관리방법. When the terminal that has already transmitted the UATI assignment request, delete the UATI in an existing record, use UATI resource management of the 1xEV-DO wireless Internet service according to claim 1, further comprising the step of adding a UATI by the deletion possible UATI list Way.
  3. 제2 항에 있어서, 3. The method of claim 2,
    상기 UATI목록에서 사용 가능한 UATI를 선택하여 해당 단말기의 레코드에 기록하는 단계를 포함하는 것을 특징으로 하는 1xEV-DO 무선 인터넷 서비스의 UATI자원 관리방법. Select an available UATI in the UATI list UATI resource management method, in step 1xEV-DO wireless Internet service, comprising a step of including writing to a record in the terminal.
  4. 제1 항에 있어서, According to claim 1,
    단말기의 식별자인 ESN을 가공하여, 그에 따른 인증키를 UATI할당 요구 메시지에 추가하는 과정을 더 포함하는 것을 특징으로 하는 1xEV-DO 무선 인터넷 서비스의 UATI자원 관리방법. By processing the ESN identifier of the terminal, the method further additional resource management UATI of the 1xEV-DO wireless Internet service, comprising a step of comprising the step of an authentication key to the UATI assignment request message accordingly.
  5. 제 1항에 있어서, According to claim 1,
    무선 인터넷 서비스를 최초 가입하여 단말기의 최초 개통시, 해당 단말기에 인증키를 기록하는 과정을 더 포함하는 것을 특징으로 하는 1xEV-DO 무선 인터넷 서비스의 UATI자원 관리방법. The first to sign up during the initial opening, UATI resource management method according to claim 1, further comprising the step of recording the authentication key in the terminal 1xEV-DO wireless Internet access terminal, wireless Internet service.
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