KR20040108104A - Method for setting the transmission control protocol connection in communication between peer to peer - Google Patents

Method for setting the transmission control protocol connection in communication between peer to peer Download PDF

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Publication number
KR20040108104A
KR20040108104A KR1020030038848A KR20030038848A KR20040108104A KR 20040108104 A KR20040108104 A KR 20040108104A KR 1020030038848 A KR1020030038848 A KR 1020030038848A KR 20030038848 A KR20030038848 A KR 20030038848A KR 20040108104 A KR20040108104 A KR 20040108104A
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South Korea
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terminal
pdsn
ptop
smsc
receiving terminal
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KR1020030038848A
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Korean (ko)
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KR100561278B1 (en
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박채훈
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엘지전자 주식회사
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/06—Transport layer protocols, e.g. TCP [Transport Control Protocol] over wireless

Abstract

PURPOSE: A TCP connection setup method in PtoP(Peer-to-Peer) communication is provided to achieve real-time information transmission by making a TCP connection using an SMS between a mobile terminal and a mobile terminal. CONSTITUTION: If a transmitting terminal(110) sets up a PPP(Point-to-Point Protocol) with a PDSN(120) through a PtoP application(301), the PDSN sends a session start request signal to a PDSN/SMSC interworking unit(130)(302). If the PDSN/SMSC interworking unit transfers a message to an SMSC(140)(303), the SMSC transmits a short message, containing the contents of a PtoP connection request, to a receiving terminal(150)(304). If the short message is successfully transmitted, the receiving terminal transfers a PtoP connection request grant message to the PDSN(307). If the grant message is transferred to the PDSN, the PtoP application of the receiving terminal is activated and PPP setup is made between the receiving terminal and the PDSN. The PDSN forwards a session setup request signal to the PDSN/SMSC interworking unit(308). The PDSN/SMSC interworking unit transmits a message to the SMSC(309). The SMSC sends a short message to the transmitting terminal(310).

Description

단말기 대 단말기 통신에서 ＴＣＰ 연결 설정 방법{Method for setting the transmission control protocol connection in communication between peer to peer}Method for setting the transmission control protocol connection in communication between peer to peer}

본 발명은 이동통신 단말기의 단말기 대 단말기(PtoP) 통신에서 TCP 연결 설정 방법에 관한 것으로, 좀더 상세하게는 이동통신 단말기와 단말기 사이에서 사이에 SMS를 이용하여 TCP 연결을 함으로써 실시간 정보전송을 가능하게 해주는 단말기 대 단말기 통신에서 TCP 연결 설정 방법에 관한 것이다.The present invention relates to a method of establishing a TCP connection in terminal-to-terminal (PtoP) communication of a mobile communication terminal, and more particularly, to enable real-time information transmission by making a TCP connection between a mobile communication terminal and a terminal by using an SMS. The present invention relates to a method for establishing a TCP connection in terminal-to-terminal communication.

종래의 기술에서 PDSN(Packet Data Service Network)을 이용하여 이동통신 단말기와 단말기 사이에 특정 데이터(벨소리, 사진 등)를 송수신하기 위해서는 도 1 에 나타낸 바와 같이 특정 데이터 송신자가 이동통신 시스템 서비스 제공업자의서버에 특정 데이터를 등록시키면 서버에 등록된 특정 데이터를 수신자가 별도로 다운로드 받는 방법이었다.In the related art, in order to transmit and receive specific data (ringtone, picture, etc.) between the mobile communication terminal and the terminal using a PDSN (Packet Data Service Network), as shown in FIG. Registering specific data on the server was a way for the receiver to download specific data registered on the server separately.

즉, 도 1 에서 송신 단말기(10)가 PDSN(20)과 PPP(Point-to-Point Protocol)를 설정(101)하고 서버(30)와 TCP(Transmission Control Protocol)를 설정(102)한 다음 특정 데이터를 서버(30)로 업 로드(Upload)(103)한다.That is, in FIG. 1, the transmitting terminal 10 sets up the PDSN 20 and the Point-to-Point Protocol (PPP) 101, sets up the server 30 and the Transmission Control Protocol (TCP), 102, The data is uploaded 103 to the server 30.

상기 서버(30)는 송신 단말기(10)로부터 특정 데이터가 업 로드 되면 특정 데이터가 업 로드 되었다는 내용의 SMS(Shot Message Service) 메시지(104)를 SMSC(Shot Message Service Controller)(40)를 통해 수신 단말기(50)에 전달한다.When the specific data is uploaded from the transmitting terminal 10, the server 30 receives a Shot Message Service (SMS) message 104 indicating that the specific data has been uploaded through the Shot Message Service Controller (SMSC) 40. Transfer to the terminal 50.

상기 수신 단말기(50)는 PDSN(20)과 PPP가 설정(105)된 상태에서 서버(30)와 TCP를 설정(106)한 다음 특정 데이터를 서버(30)로부터 다운로드(Download)(107)받는다.The receiving terminal 50 sets up the server 30 and the TCP 106 with the PDSN 20 and the PPP set up 105 and then downloads specific data from the server 30 107. .

상기 수신 단말기(50)가 서버(30)로부터 특정 데이터를 다운로드(107) 완료후 수신 단말기(50)는 PDSN(20)과 PPP 연결을 차단(108)한다.After the receiving terminal 50 completes the download of specific data from the server 30 (107), the receiving terminal 50 blocks the PPP connection with the PDSN 20 (108).

상기와 같이 종래의 기술은 PDSN을 이용하여 이동통신 단말기와 단말기 사이에 특정 데이터(벨소리, 사진 등)를 송수신하기 위해서는 2번의 과정을 별도로 거쳐야 함으로써 이동통신 시스템의 자원이 낭비되고 서버에 부하가 많이 걸리는 문제가 있으며, 따라서 하나의 데이터를 주고받는데 통신요금도 송수신자 모두에게 부과되는 문제가 있다As described above, the conventional technology requires two separate processes to transmit and receive specific data (ringtone, picture, etc.) between the mobile communication terminal and the terminal using the PDSN, which wastes resources of the mobile communication system and increases the load on the server. There is a problem, and therefore, there is a problem in that a communication fee is charged to both the sender and the receiver.

따라서, 본 발명은 상기한 종래의 문제점을 해결하기 위하여 제안한 것으로,이동통신 단말기와 단말기 사이에서 SMS를 이용하여 TCP 연결을 함으로써 실시간 정보전송을 가능하게 해주는 단말기 대 단말기 통신에서 TCP 연결 설정 방법을 제공함에 그 목적이 있다.Accordingly, the present invention has been proposed to solve the above-described problems, and provides a method for establishing a TCP connection in a terminal-to-terminal communication that enables real-time information transmission by using a TCP connection between the mobile communication terminal and the terminal. Has its purpose.

본 발명에서 PtoP는 기본적으로 서버를 거치지 않고 개인과 개인의 PC 또는 서버간 직접 통신이 가능하도록 하는 시스템 또는 프로그램 또는 프로토콜을 총칭하며, Peer-to-Peer, Person-to-Person, People-to-People, PC-to-PC와 같은 개념을 포괄적으로 함축한다.In the present invention, PtoP is a generic term for a system, a program, or a protocol that enables direct communication between a person and a person's PC or server without going through a server. Peer-to-Peer, Person-to-Person, People-to- Comprehensive concepts such as people and PC-to-PC are included.

상기한 목적을 달성하기 위하여 본 발명은 이동통신 단말기의 무선 통신에서 연결을 설정하는 방법에 있어서, 송신 단말기가 PtoP 어플리케이션을 통하여 PPP가 설정되고 세션이 시작되면 수신 단말기에 PtoP 연결을 요구하는 SMS 메시지를 전송하는 단계와, 상기 수신 단말기가 PtoP 연결을 허락하면 수신 단말기의 PtoP 어플리케이션에 의해 PPP가 설정됨에 따라 PtoP 연결 허락 메시지를 송신 단말기로 전송하는 단계와, 상기 송신 단말기는 PtoP 연결 허락 메시지를 받은 다음 PPP 설정에 따라 수신 단말기와 TCP 연결을 설정하는 단계와, 상기 TCP 연결이 설정되면 송신 단말기와 수신 단말기는 서로 데이터를 실시간으로 주고받는 단계를 포함하여 이루어진다.In order to achieve the above object, the present invention provides a method for establishing a connection in a wireless communication of a mobile communication terminal, wherein when a PPP is established through a PtoP application and a session is started, an SMS message requesting a PtoP connection to a receiving terminal Transmitting the PtoP connection permission message to the transmitting terminal according to the PPP setting by the PtoP application of the receiving terminal when the receiving terminal allows the PtoP connection; and the receiving terminal receives the PtoP connection permission message. And establishing a TCP connection with a receiving terminal according to the following PPP setting, and transmitting and receiving data in real time with each other when the TCP connection is established.

상기 수신 단말기가 PtoP 연결을 거부하면 PtoP 연결 거부 메시지를 송신자 단말기로 전송해주고, 상기 PtoP 연결 허락 메시지 속에는 수신 단말기의 IP 주소정보가 포함되며, 상기 TCP 연결 설정 단계는 수신 단말기의 IP 주소정보를 추출하여 설정한다.If the receiving terminal rejects the PtoP connection, it transmits a PtoP connection rejection message to the sender terminal, and the IP address information of the receiving terminal is included in the PtoP connection permission message, and the TCP connection setting step extracts the IP address information of the receiving terminal. To set.

도 1 은 종래의 실시예에 따른 전반적인 동작상태를 나타내는 흐름도1 is a flow chart showing an overall operating state according to a conventional embodiment

도 2 는 본 발명이 적용되는 이동통신 시스템의 동작상태를 도시한 블록 구성도.2 is a block diagram showing an operating state of a mobile communication system to which the present invention is applied.

도 3 은 본 발명의 실시예에 따른 전반적인 동작상태를 나타내는 흐름도.3 is a flowchart showing an overall operating state according to an embodiment of the present invention.

이하 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 상세히 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2 는 본 발명이 적용되는 이동통신 시스템의 동작상태를 도시한 블록 구성도를 나타낸 도면이다.2 is a block diagram illustrating an operation state of a mobile communication system to which the present invention is applied.

이동통신 시스템은 송수신용 이동통신 단말기(110)(150)와, 복수개의 기지국(111)(112)과, 기지국을 제어해주는 복수개의 기지국 제어기(115)(116), 교환국(160) 및 SMSC(140)로 구성된다.The mobile communication system includes a mobile communication terminal (110) 150 for transmission and reception, a plurality of base stations (111) (112), a plurality of base station controllers (115) (116) for controlling the base stations, an exchange station (160), and an SMSC ( 140).

상기 복수개의 기지국(111)(112)은 송수신용 이동통신 단말기(110)(150)와 교환국(160)사이에 무선 링크와 유선 링크에 적합하도록 신호 포맷을 바꿔주는 역할을 하며 송수신용 이동통신 단말기(110)(150)의 송수신 전계 강도(전파 수신 세기)를 측정하여 교환국(160)에 제공해준다.The plurality of base stations 111 and 112 change the signal format between the mobile communication terminals 110 and 150 for transmission and reception and the switching station 160 so as to be suitable for a wireless link and a wired link. Transmitting and receiving electric field strength (radio wave reception strength) of 110 and 150 are measured and provided to the switching center 160.

상기 복수개의 기지국 제어기(115)(116)는 복수개 기지국의 각 요소별 기능과 셀 운용자 사이의 접속 수단이 되며 복수개 기지국 운용의 관리, 기지국 하드웨어와 소프트웨어의 서비스 상태의 관리, 호 트래픽에 대한 자원의 할당과 구성, 기지국 운용에 관한 정보 수립, 기지국 운용, 감시 및 고장에 관련된 하부 장치 감시등의 기능을 수행한다.The plurality of base station controllers 115 and 116 serve as a means of access between the cell operators and the function of each element of the plurality of base stations, and manage the plurality of base station operations, manage the service state of the base station hardware and software, and manage the resource for call traffic. It performs functions such as allocation and configuration, establishment of information on base station operation, base station operation, monitoring and monitoring of subordinate devices related to failure.

상기 교환국(160)은 복수개의 기지국 제어기(115)(116) 및 송수신용 이동통신 단말기(110)(150)에 회선 교환 서비스를 제공하고 부가적인 기능으로 채널 전환(handoff) 기능을 가지고 있다.The switching center 160 provides a circuit switching service to the plurality of base station controllers 115 and 116 and the mobile communication terminals 110 and 150 for transmission and reception and has a channel handoff function as an additional function.

상기 SMSC(140)는 송신 단말기(110)로부터 전송된 각종 메시지 데이터를 소프트웨어 또는 하드웨어적으로 콘트롤하여 수신 단말기(150)로 전송하기에 알맞은 형태로 규격화하여 교환국(160)에 제공해준다.The SMSC 140 may provide various types of message data transmitted from the transmitting terminal 110 to the switching center 160 by controlling the software or hardware in a form suitable for transmission to the receiving terminal 150.

이와 같은 일반적인 이동통신 시스템은 임의의 단말기 사용자가 송수신용 이동통신 단말기(110)(150)를 이용하여 각종 메시지나 또는 전화를 걸거나 수신하면 복수개의 여러 기지국(111)(112)중 어느 하나의 기지국과 연결된다.Such a general mobile communication system uses any one of a plurality of base stations 111 and 112 when an arbitrary terminal user makes or receives various messages or calls using the mobile communication terminals 110 and 150 for transmission and reception. It is connected with the base station.

도 3 은 본 발명의 실시예에 따른 전반적인 동작상태를 나타내는 흐름도로서, 특정 데이터를 송신하기 위하여 TCP연결을 맺고자 하는 상대에게 SMS를 송신하는 송신 단말기(110)가 구비되고, TCP연결을 요청하는 SMS 메시지 수신 시 이를 처리하는 수신 단말기(150)가 구비된다.3 is a flowchart illustrating an overall operating state according to an embodiment of the present invention, and includes a transmitting terminal 110 for transmitting an SMS to a counterpart who wants to establish a TCP connection in order to transmit specific data, and requesting a TCP connection. When receiving the SMS message is provided with a receiving terminal 150 for processing it.

상기 송수신 단말기(110)(150) 사이에는 PDSN(120)과 PDSN/SMSC 연동장치(130) 및 SMSC(140)가 구비된다.The PDSN 120, the PDSN / SMSC interworking device 130, and the SMSC 140 are provided between the transmission and reception terminals 110 and 150.

상기 , PDSN/SMSC 연동장치(130)는 송신 단말기(110)와 PDSN(120)사이에 PPP 설정이 이루어 졌을 때 연결을 수용하는 송신 단말기(110)의 IP를 SMS를 통해서 TCP연결을 요청한 단말기에게 전송하는 기능을 갖는다.The PDSN / SMSC interworking apparatus 130 transmits the IP of the transmitting terminal 110 that accepts the connection to the terminal requesting the TCP connection through SMS when the PPP setting is made between the transmitting terminal 110 and the PDSN 120. Has the function of transmitting.

상기 수신 단말기(150)는 IP가 포함된 SMS 메시지가 수신되었을 때 이를 해당 어플리케이션(Application)에 전달하여 TCP 연결을 맺도록 한다.When the receiving terminal 150 receives the SMS message including the IP, the receiving terminal 150 establishes a TCP connection by transmitting the received SMS message to the corresponding application.

도 3 에서 송신 단말기(110)가 PtoP 어플리케이션(Application)을 통하여 PDSN(120)과 PPP(Point-to-Point Protocol)를 설정(301)하면 PDSN(120)은 PDSN/SMSC 연동장치(130)에 세션(Session) 시작 요구신호(302)를 보내고,PDSN/SMSC 연동장치(130)는 SMSC(140)로 메시지를 전달(303)하면 SMSC(140)는 수신 단말기(150)에 SMS 메시지를 전송(304)한다.In FIG. 3, when the transmitting terminal 110 sets up the PDSN 120 and the PPP (Point-to-Point Protocol) through the PtoP application (301), the PDSN 120 is connected to the PDSN / SMSC interworking device 130. The session start request signal 302 is transmitted, and the PDSN / SMSC interworking device 130 transmits the message to the SMSC 140, and the SMSC 140 transmits an SMS message to the receiving terminal 150 ( 304).

상기 SMSC(140)가 수신 단말기(150)에 전송(304)된 SMS 메시지 속에는 PtoP 연결을 요청하는 내용의 메시지가 포함되어 전송된다.The SMSC 140 transmits a message including a request for PtoP connection in the SMS message 304 transmitted to the receiving terminal 150.

상기 PDSN/SMSC 연동장치(130)가 SMSC(140)로 메시지를 전달(303)할 때 전달이 실패로 되면 세션 시작 요구신호(302)가 세션 시작 실패 신호(305)로 PDSN/SMSC 연동장치(130)로부터 PDSN(120)에 전달되고, PDSN(120)은 송신 단말기(110)에 PPP 종료신호(306)를 전달한다.When the PDSN / SMSC interworking device 130 transmits a message to the SMSC 140, if the delivery fails, the session start request signal 302 is a session start failure signal 305 as the PDSN / SMSC interworking device ( 130 is transmitted to the PDSN 120, the PDSN 120 transmits a PPP end signal 306 to the transmitting terminal (110).

상기 SMSC(140)가 수신 단말기(150)에 전송(304)한 PtoP 연결을 요청하는 내용의 SMS 메시지가 성공적으로 전송되면, 수신 단말기(150)는 PtoP 연결 요청을 받아들여 허락한다는 허락메시지를 PDSN(120)으로 전달(307)한다.If the SMS message of the request for the PtoP connection, which the SMSC 140 transmits to the receiving terminal 150, is successfully transmitted, the PDSN accepts the PtoP connection request and grants a PDSN permission message. Forward to 120 (307).

상기 수신 단말기(150)로부터 PDSN(120)으로 허락메시지가 전달(307)되면 수신 단말기(150)와 PDSN(120) 사이에는 수신 단말기(150)의 PtoP 어플리케이션(Application)이 구동되면서 PPP가 셋업(Setup)되어 PPP 설정이 이루어진다.When the permission message is transmitted from the receiving terminal 150 to the PDSN 120 (307), PPP is set up while the PtoP application of the receiving terminal 150 is driven between the receiving terminal 150 and the PDSN 120. Setup) to set up PPP.

상기 수신 단말기(150)와 PDSN(120) 사이에 PPP가 셋업 되어 PPP 설정이 이루어지면 PDSN(120)은 세션 셋업 요구신호를 PDSN/SMSC 연동장치(130)로 전달(308)한다.When PPP is set up between the receiving terminal 150 and the PDSN 120 and PPP is set, the PDSN 120 transmits a session setup request signal to the PDSN / SMSC interworking device 130 (308).

상기 PDSN/SMSC 연동장치(130)로 세션 셋업 요구신호가 전달(308)되면 PDSN/SMSC 연동장치(130)는 SMSC(140)로 메시지를 전송(309)하고, SMSC(140)는 SMS메시지를 송신 단말기(110)로 전달(310)한다.When the session setup request signal is transmitted 308 to the PDSN / SMSC interworking device 130, the PDSN / SMSC interworking device 130 transmits a message to the SMSC 140 (309), and the SMSC 140 sends an SMS message. Transfer 310 to the transmitting terminal (110).

상기 SMSC(140)로부터 송신 단말기(110)로 전달(310)된 SMS 메시지 속에는 수신 단말기(150)와 수신 단말기(150)의 IP 주소(Address)로 PtoP 연결을 하자는 내용의 메시지가 포함되어 전달된다.The SMS message transmitted 310 from the SMSC 140 to the transmitting terminal 110 includes a message indicating that PtoP connection is made to the IP address of the receiving terminal 150 and the receiving terminal 150. .

상기 SMSC(140)와 송신 단말기(110) 사이에 수신 단말기(150)의 IP 주소로 PtoP 연결을 하자는 내용의 메시지가 전달되면, 송신 단말기(110)와 수신 단말기(150) 사이에는 TCP 연결이 셋업(311)되어 수신 단말기(150)의 IP 정보를 추출한 다음 TCP 설정이 이루어진다.If a message indicating that a PtoP connection is transmitted between the SMSC 140 and the transmitting terminal 110 to the IP address of the receiving terminal 150 is transmitted, a TCP connection is set up between the transmitting terminal 110 and the receiving terminal 150. 311, the IP information of the receiving terminal 150 is extracted, and then TCP settings are made.

상기 송신 단말기(110)와 수신 단말기(150) 사이에 TCP 연결이 셋업(311)되어 TCP 설정이 이루어지면, 상기 송신 단말기(110)와 수신 단말기(150) 사이에는 서버를 통하지 않고도 특정 데이터(벨소리, 사진 등)를 서로 송수신할 수 있다.When a TCP connection is set up 311 between the transmitting terminal 110 and the receiving terminal 150 and the TCP setting is made, specific data (ring tone) is transmitted between the transmitting terminal 110 and the receiving terminal 150 without going through a server. , Photos, and so on).

즉 수신 단말기(150)는 수신 단말기(150)에 할당된 PtoP 어플리케이션 포트의 TCP 상태를 모니터링 하다가 PtoP 연결요청일 들어오면 TCP 연결을 하여 특정 데이터(벨소리, 사진 등)를 서로 주고받는다.That is, the receiving terminal 150 monitors the TCP status of the PtoP application port assigned to the receiving terminal 150, and when a PtoP connection request is received, makes a TCP connection to exchange specific data (ringtone, picture, etc.).

이상에서 상세히 설명한 바와 같이 본 발명은 이동통신 단말기와 단말기 사이에서 SMS를 이용하여 TCP 연결을 함으로써 실시간 정보전송을 가능하게 해 줌으로써, 단말기와 단말기 사이에 실시간으로 직접 데이터 전송이 가능한 효과가 있고, 데이터 전송과 동시에 채팅도 가능한 유용한 효과를 제공해준다.As described in detail above, the present invention enables the real-time information transmission by using a TCP connection between the mobile communication terminal and the terminal, thereby enabling direct data transmission in real time between the terminal and the terminal, and the data At the same time as sending, chat also provides a useful effect.

Claims (4)

이동통신 단말기의 무선 통신에서 연결을 설정하는 방법에 있어서,In the method of establishing a connection in wireless communication of the mobile communication terminal, 송신 단말기가 PtoP 어플리케이션을 통하여 PPP가 설정되고 세션이 시작되면 수신 단말기에 PtoP 연결을 요구하는 SMS 메시지를 전송하는 단계와,Transmitting, by the sending terminal, an SMS message requesting a PtoP connection to the receiving terminal when PPP is established through the PtoP application and the session is started; 상기 수신 단말기가 PtoP 연결을 허락하면 수신 단말기의 PtoP 어플리케이션에 의해 PPP가 설정됨에 따라 PtoP 연결 허락 메시지를 송신 단말기로 전송하는 단계와,If the receiving terminal allows PtoP connection, transmitting the PtoP connection permission message to the transmitting terminal as PPP is set by the PtoP application of the receiving terminal; 상기 송신 단말기는 PtoP 연결 허락 메시지를 받은 다음 PPP 설정에 따라 수신 단말기와 TCP 연결을 설정하는 단계와,Receiving the PtoP connection permission message and establishing a TCP connection with the receiving terminal according to the PPP setting; 상기 TCP 연결이 설정되면 송신 단말기와 수신 단말기는 서로 데이터를 실시간으로 주고받는 단계를 포함하여 이루어진 것을 특징으로 하는 단말기 대 단말기 통신에서 TCP 연결 설정 방법.When the TCP connection is established, the transmitting terminal and the receiving terminal comprises the step of sending and receiving data with each other in real time, the method of establishing a TCP connection in the terminal-to-terminal communication. 청구항 1 항에 있어서,The method according to claim 1, 상기 수신 단말기가 PtoP 연결을 거부하면 PtoP 연결 거부 메시지를 송신자 단말기로 전송해주는 것을 특징으로 하는 단말기 대 단말기 통신에서 TCP 연결 설정 방법.And transmitting the PtoP connection rejection message to the sender terminal when the receiving terminal rejects the PtoP connection. 청구항 1 항에 있어서,The method according to claim 1, 상기 PtoP 연결 허락 메시지 속에는 수신 단말기의 IP 주소정보가 포함된 것을 특징으로 하는 단말기 대 단말기 통신에서 TCP 연결 설정 방법.The method for establishing a TCP connection in terminal-to-terminal communication, characterized in that the PtoP connection permission message includes IP address information of a receiving terminal. 청구항 1 항에 있어서,The method according to claim 1, 상기 TCP 연결 설정 단계는 수신 단말기의 IP 주소정보를 추출하여 설정하는 것을 특징으로 하는 단말기 대 단말기 통신에서 TCP 연결 설정 방법.The TCP connection establishing step is to extract and set the IP address information of the receiving terminal TCP connection setting method in the terminal-to-terminal communication.
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KR100623194B1 (en) * 2005-04-27 2006-09-13 주식회사 팬택 Method for providing the p2p service in wireless telecommunication network
KR100630084B1 (en) * 2004-02-09 2006-09-27 삼성전자주식회사 Method for forwarding in the mobile terminal
KR100681562B1 (en) * 2006-01-11 2007-02-09 주식회사 팬택앤큐리텔 Mobile communication terminal and method for transmitting/sharing data therebetween
KR100754651B1 (en) * 2003-12-23 2007-09-05 삼성전자주식회사 Mobile communication system and method capable of exchanging data between mobile communication terminals using packet data communication
KR100770892B1 (en) * 2005-03-05 2007-10-26 삼성전자주식회사 Method for transmitting image data in real time
CN100450205C (en) * 2005-08-04 2009-01-07 华为技术有限公司 Method for realizing sectionalization domain service of called user terminal in idle state
US7774505B2 (en) 2005-03-05 2010-08-10 Samsung Electronics Co., Ltd Method for transmitting image data in real-time

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100754651B1 (en) * 2003-12-23 2007-09-05 삼성전자주식회사 Mobile communication system and method capable of exchanging data between mobile communication terminals using packet data communication
US7508786B2 (en) 2003-12-23 2009-03-24 Samsung Electronics Co., Ltd Mobile communication system and method for exchanging data between mobile communication terminals using packet data communication
KR100630084B1 (en) * 2004-02-09 2006-09-27 삼성전자주식회사 Method for forwarding in the mobile terminal
KR100770892B1 (en) * 2005-03-05 2007-10-26 삼성전자주식회사 Method for transmitting image data in real time
US7774505B2 (en) 2005-03-05 2010-08-10 Samsung Electronics Co., Ltd Method for transmitting image data in real-time
KR100623194B1 (en) * 2005-04-27 2006-09-13 주식회사 팬택 Method for providing the p2p service in wireless telecommunication network
CN100450205C (en) * 2005-08-04 2009-01-07 华为技术有限公司 Method for realizing sectionalization domain service of called user terminal in idle state
KR100681562B1 (en) * 2006-01-11 2007-02-09 주식회사 팬택앤큐리텔 Mobile communication terminal and method for transmitting/sharing data therebetween

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