KR20020037792A - Method for internet packet data transmitting in a mobile communication network - Google Patents
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Abstract
본 발명에 따른 이동통신 망에서의 인터넷 패킷 데이터 전송방법은, 이동통신 시스템에서, 인터넷 호스트로부터 전달되는 인터넷 패킷 멀티캐스팅/브로드캐스팅 데이터(Internet Packet Multicasting/Broadcasting Data)를 이동통신 단말기로 전송함에 있어, 데이터를 수신할 이동통신 단말기의 Group ID 및 FEC 기능을 가지는 CIBP가 이동통신 단말기와 기지국의 MAC Layer에 각각 채용되어, 기지국으로부터 해당 이동통신 단말기에 인터넷 패킷 멀티캐스팅/브로드캐스팅 데이터가 전송된다.Internet packet data transmission method in a mobile communication network according to the present invention, in the mobile communication system for transmitting the Internet packet multicasting / broadcast data (Internet Packet Multicasting / Broadcasting Data) transmitted from the Internet host to the mobile communication terminal In addition, a CIBP having a Group ID and an FEC function of a mobile communication terminal to receive data is employed in the MAC layer of the mobile communication terminal and the base station, respectively, and the Internet packet multicasting / broadcasting data is transmitted from the base station to the mobile communication terminal.
여기서 기지국에 채용되는 CIBP는, 이동통신 망의 BSC/PCF로부터 수신된 Cellular Multicasting/Broadcasting request packet으로부터 패킷 헤더에 지정된 Multicasting/Broadcasting 정보에 따라, 송신할 데이터 채널을 선정하고, Multicasting/Broadcasting group type과 Multicasting/Broadcasting group ID에 따라 CIBP 헤더를 생성하여, 데이터를 수신할 이동통신 단말기를 지정하며, body data를 수신측 CIBP가 FEC 할 수 있도록 채널 코딩을 실행하고, frame data를 forward common traffic channel(f-ctch)로 송신한다.Here, the CIBP employed in the base station selects a data channel to be transmitted according to the multicasting / broadcasting information specified in the packet header from the cellular multicasting / broadcasting request packet received from the BSC / PCF of the mobile communication network, and selects a multicasting / broadcasting group type and Generates CIBP header according to Multicasting / Broadcasting group ID, specifies mobile communication terminal to receive data, executes channel coding so that receiving CIBP can receive body data, and forwards frame data to forward common traffic channel (f -ctch).
Description
본 발명은 이동통신 시스템에 관한 것으로서, 특히 인터넷으로부터 수신된 인터넷 패킷(IP:Internet Packet) multicasting/broadcasting 데이터를 이동통신 단말기에 전송함에 있어, 기지국과 단말기 사이에 IP multicasting/broadcasting 데이터를 전송하기 위한 특정된 프로토콜을 사용함으로써, 이동통신 망을 효율적으로 사용할 수 있는 이동통신 망에서의 인터넷 패킷 데이터 전송방법에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication system. In particular, the present invention relates to a method for transmitting IP multicasting / broadcasting data between a base station and a terminal in transmitting Internet packet (IP) multicasting / broadcasting data received from the Internet to a mobile communication terminal. By using the specified protocol, the present invention relates to a method for transmitting Internet packet data in a mobile communication network that can efficiently use the mobile communication network.
오늘날, 이동통신 단말기는 휴대의 간편성 및 편리성으로 인하여 생활의 필수품으로 자리잡고 있으며, 많은 사람들이 사용하고 있다. 이러한 이동통신 단말기는 전화번호부 등록, 일정 관리 기능 등이 있어서, 전화 통화를 위한 수단을 넘어서 개인 정보 관리(Personal Information Management) 기능을 위한 수단으로 변화되고 있다.Today, mobile communication terminals are becoming a necessity of life due to the simplicity and convenience of portable, and are used by many people. The mobile communication terminal has a phone book registration, a schedule management function, etc., and has been changed to a means for personal information management function beyond the means for phone calls.
한편, 컴퓨터가 아닌 이동통신 단말기를 이용하여 인터넷에 접속하고, 필요한 정보를 제공받을 수 있는 이동통신 단말기를 위한 인터넷 접속 서비스가 운용되고 있다.Meanwhile, an Internet access service for a mobile communication terminal capable of accessing the Internet using a mobile communication terminal instead of a computer and receiving necessary information is being operated.
그런데 이동통신 망에 있어서, 인터넷으로부터 PDSN(Packet Data Serving Node)으로 송신된 multicasting/broadcasting IP diagram 또는 메시지를 각 이동통신 단말기에 multicasting/broadcasting하는 방법으로서, 현재에는 PDSN에 방문하여 PPP 링크(link)가 개설된 이동통신 단말기에 개별적으로 PPP 링크를 통하여 multicasting/broadcasting 메시지를 송신함으로써, PDSN으로부터 이동통신 단말기까지 모든 단말기와 개별 PPP datagram을 송신하기 위한 채널(channel)이 할당되어야 한다.However, in a mobile communication network, a method of multicasting / broadcasting a multicasting / broadcasting IP diagram or a message transmitted from the Internet to a PDSN (Packet Data Serving Node) from the Internet to each mobile communication terminal, and now visits a PDSN and visits a PPP link. By transmitting a multicasting / broadcasting message to a mobile communication terminal separately established through a PPP link, a channel for transmitting all terminals and individual PPP datagrams from the PDSN to the mobile communication terminal should be allocated.
따라서, PDSN으로부터 이동통신 단말기에 multicasting/broadcasting되는 동일한 메시지를 각 이동통신 단말기에 송신하기 위해서는 많은 네트워크 자원이 낭비되는 문제점이 있다.Therefore, there is a problem in that a lot of network resources are wasted in order to transmit the same message multicasting / broadcasting from the PDSN to the mobile communication terminal.
본 발명은 상기와 같은 여건을 감안하여 창출된 것으로서, 인터넷으로부터 수신된 인터넷 패킷 multicasting/broadcasting 데이터를 이동통신 단말기에 전송함에 있어, 기지국과 단말기 사이에 IP multicasting/broadcasting 데이터를 전송하기 위한 특정된 프로토콜을 사용함으로써, 이동통신 망을 효율적으로 사용할 수 있는 이동통신 망에서의 인터넷 패킷 데이터 전송방법을 제공함에 그 목적이 있다.The present invention has been made in view of the above-mentioned conditions, and is a specified protocol for transmitting IP multicasting / broadcasting data between a base station and a terminal in transmitting internet packet multicasting / broadcasting data received from the Internet to a mobile communication terminal. The purpose of the present invention is to provide a method for transmitting Internet packet data in a mobile communication network that can efficiently use a mobile communication network.
도 1은 일반적인 인터넷 패킷 데이터 접속 서비스를 위한 이동통신 망의 구성을 개략적으로 나타낸 블록도.1 is a block diagram schematically illustrating a configuration of a mobile communication network for a general Internet packet data access service.
도 2는 본 발명에 따른 이동통신 망에서의 인터넷 패킷 데이터의 전송방법이 채용된 시스템에서 사용되는 프로토콜의 구조를 개략적으로 나타낸 도면.2 is a diagram schematically illustrating the structure of a protocol used in a system employing a method for transmitting Internet packet data in a mobile communication network according to the present invention.
상기의 목적을 달성하기 위하여 본 발명에 따른 이동통신 망에서의 인터넷 패킷 데이터 전송방법은,In order to achieve the above object, the Internet packet data transmission method in a mobile communication network according to the present invention,
이동통신 시스템에서, 인터넷 호스트로부터 전달되는 인터넷 패킷 멀티캐스팅/브로드캐스팅 데이터(Internet Packet Multicasting/Broadcasting Data)를 이동통신 단말기로 전송함에 있어,In a mobile communication system, in transmitting Internet packet multicasting / broadcasting data transmitted from an internet host to a mobile communication terminal,
데이터를 수신할 이동통신 단말기의 Group ID 및 FEC(Forward Error Collection) 기능을 가지는 CIBP(Cellular Internet Broadcasting Protocol)가 이동통신 단말기와 기지국의 MAC Layer에 각각 채용되어, 기지국으로부터 해당 이동통신 단말기에 인터넷 패킷 멀티캐스팅/브로드캐스팅 데이터가 전송되는 점에 그 특징이 있다.A CIBP (Cellular Internet Broadcasting Protocol) having a Group ID and a Forward Error Collection (FEC) function of a mobile communication terminal to receive data is employed in the MAC layer of the mobile communication terminal and the base station, respectively. Its feature is that multicasting / broadcasting data is transmitted.
여기서 상기 기지국에 채용되는 CIBP는, 이동통신 망의 BSC/PCF로부터 수신된 Cellular Multicasting/Broadcasting request packet으로부터 패킷 헤더(packet header)에 지정된 Multicasting/Broadcasting 정보에 따라, 송신할 데이터 채널을 선정하고, Multicasting/Broadcasting group type과 Multicasting/Broadcasting group ID에 따라 CIBP 헤더를 생성하여, 데이터를 수신할 이동통신 단말기를 지정하는 점에 그 특징이 있다.Here, the CIBP employed in the base station selects a data channel to be transmitted according to the multicasting / broadcasting information specified in the packet header from the cellular multicasting / broadcasting request packet received from the BSC / PCF of the mobile communication network, and multicasting. The CIBP header is generated according to the / Broadcasting group type and the Multicasting / Broadcasting group ID to designate a mobile communication terminal to receive data.
또한 상기 기지국에 채용되는 CIBP는, 이동통신 망의 BSC/PCF로부터 수신된Cellular Multicasting/Broadcasting request packet으로부터, body data를 수신측 CIBP가 FEC 할 수 있도록 채널 코딩을 실행하고, frame data를 forward common traffic channel(f-ctch)로 송신하는 점에 그 특징이 있다.In addition, the CIBP employed in the base station performs channel coding so that the receiving CIBP can FEC the body data from the Cellular Multicasting / Broadcasting request packet received from the BSC / PCF of the mobile communication network, and forwards the frame data forward common traffic. Its characteristic is that it transmits on channel (f-ctch).
또한 상기 이동통신 단말기에 채용되는 CIBP는, 상기 기지국의 CIBP에 대응되는 것으로서, 하위 물리 채널로부터 f-ctch를 통하여 CIBP 패킷 프레임이 수신되면, 헤더로부터 수신지정 여부를 확인하고 해당 이동통신 단말기가 수신할 패킷인 경우에는, data에 대하여 FEC 디코딩을 실행하고, 상위 계층(layer)으로 전송하는 점에 그 특징이 있다.In addition, the CIBP employed in the mobile communication terminal corresponds to the CIBP of the base station. When the CIBP packet frame is received through the f-ctch from the lower physical channel, the CIBP is checked from the header and received by the corresponding mobile communication terminal. In the case of a packet to be transmitted, the feature is that FEC decoding is performed on data and transmitted to an upper layer.
또한, 상기 이동통신 단말기가 수신된 CIBP 패킷 프레임으로부터 수신지정 여부를 판단함에 있어, MAC 헤더에 부가되는 Multicasting/Broadcasting group ID 정보를 참조하여, 해당 ID가 헤더에 포함되어 있는 경우에는 패킷 데이터를 수신하는 점에 그 특징이 있다.In addition, when the mobile communication terminal determines whether to specify reception from the received CIBP packet frame, the packet data is received when the corresponding ID is included in the header by referring to the multicasting / broadcasting group ID information added to the MAC header. There is a characteristic in that.
이와 같은 본 발명에 의하면, 인터넷으로부터 수신된 인터넷 패킷 multicasting/broadcasting 데이터를 이동통신 단말기에 전송함에 있어, 기지국과 단말기 사이에 IP multicasting/broadcasting 데이터를 전송하기 위한 특정된 프로토콜을 사용함으로써, 이동통신 망을 효율적으로 사용할 수 있는 장점이 있다.According to the present invention, in transmitting the Internet packet multicasting / broadcasting data received from the Internet to the mobile communication terminal, by using a specified protocol for transmitting IP multicasting / broadcast data between the base station and the terminal, the mobile communication network There is an advantage that can be used efficiently.
이하 첨부된 도면을 참조하면서 본 발명에 따른 실시 예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 1은 일반적인 인터넷 패킷 데이터 접속 서비스를 위한 이동통신 망의 구성을 개략적으로 나타낸 블록도이고, 도 2는 본 발명에 따른 이동통신 망에서의 인터넷 패킷 데이터의 전송방법이 채용된 시스템에서 사용되는 프로토콜의 구조를 개략적으로 나타낸 도면이다.1 is a block diagram schematically showing the configuration of a mobile communication network for a general Internet packet data access service, and FIG. 2 is a protocol used in a system employing a method for transmitting Internet packet data in a mobile communication network according to the present invention. Figure schematically shows the structure of the.
도 1과 도 2를 참조하여 본 발명에 따른 이동통신 망에서의 인터넷 패킷 데이터 전송방법을 설명하면, PDSN이 인터넷 호스트로부터 cellular multicasting/ broadcasting packet을 수신하거나, Mbone의 broadcasting IP datagram을 수신하면, 상기 PDSN은 해당 메시지의 body data를 PPP frame data로 하고, cellular multicasting/broadcasting ID를 프로토콜 식별자에 표기하여 PCF로 송신한다.Referring to Figure 1 and Figure 2 describes the Internet packet data transmission method in a mobile communication network according to the present invention, when the PDSN receives a cellular multicasting / broadcasting packet from the Internet host, or receives a broadcasting IP datagram of Mbone, The PDSN transmits the body data of the corresponding message to the PPP frame data and the cellular multicasting / broadcasting ID on the protocol identifier.
그러면, BSC/PCF는 수신된 cellular multicasting/broadcasting 메시지를, cellular multicasting/broadcasting request 메시지로 만들어서 해당 기지국(BTS)으로 송신한다.Then, the BSC / PCF forms the received cellular multicasting / broadcasting message as a cellular multicasting / broadcasting request message and transmits it to the corresponding base station (BTS).
이에 따라, 해당 기지국은 cellular multicasting/broadcasting request의 헤더(header) 정보를 참조하여, broadcasting channel로 메시지를 전달한다. 그리고, 이동통신 단말기는 broadcasting channel로 수신된 cellular multicasting /broadcasting packet을 수신하여, PPP layer 또는 IP layer로 전달한다.Accordingly, the base station refers to the header (header) information of the cellular multicasting / broadcasting request, and transmits the message to the broadcasting channel. The mobile communication terminal receives the cellular multicasting / broadcasting packet received through a broadcasting channel and delivers the packet to a PPP layer or an IP layer.
이와 같은 방식으로, 기지국과 이동통신 단말기 사이에 cellular multicasting/broadcasting packet을 효과적으로 전달하기 위한 MAC 프로토콜을 도 2의 CIBP와 같이 구현하여 물리계층에서 수신된 데이터를 CIBP에서 수신하여 상위 data 계층으로 전달하도록 한다.In this way, the MAC protocol for effectively transmitting cellular multicasting / broadcasting packets between the base station and the mobile communication terminal is implemented as in CIBP of FIG. 2 so that the data received at the physical layer is received at the CIBP and delivered to the upper data layer. do.
기지국의 CIBP는 BSC/PCF로부터 수신된 cellular multicasting/broadcasting packet을 수신하여 Packet header에 지정된 multicasting/broadcasting 정보에 따라 송신할 데이터 채널을 선정하고 무선 채널 packet framing을 실행한다.The CIBP of the base station receives the cellular multicasting / broadcasting packet received from the BSC / PCF, selects a data channel to transmit according to the multicasting / broadcasting information specified in the packet header, and performs radio channel packet framing.
그리고, 상기 기지국의 CIBP는 multicasting/broadcasting group type과 multicasting/broadcasting group ID에 따라 CIBP header를 생성하여 수신할 이동통신 단말기의 group과 이동통신 단말기를 지정할 수 있도록 한다.The CIBP of the base station generates a CIBP header according to a multicasting / broadcasting group type and a multicasting / broadcasting group ID to designate a group of mobile communication terminals and a mobile communication terminal to receive.
또한, CIBP의 body data는 수신측 CIBP가 FEC(forward error correction)을 할 수 있도록 채널 코딩을 실행한다. 그리고, CIBP frame data를 forward common traffic channel(f-ctch)로 송신한다.In addition, the body data of the CIBP performs channel coding so that the receiving side CIBP can perform forward error correction (FEC). In addition, the CIBP frame data is transmitted through a forward common traffic channel (f-ctch).
여기서, 상기 forward common traffic channel(f-ctch)은, 인터넷 패킷 데이터를 Multicasting/Broadcasting 하기 위한 logical channel로서 Mux layer와 CIBP 사이에 위치한다.Here, the forward common traffic channel (f-ctch) is a logical channel for multicasting / broadcasting internet packet data, and is located between the mux layer and the CIBP.
한편, 이동통신 단말기의 CIBP는 기지국의 CIBP에 대응하는 것으로서, 하위 물리 채널로부터 수신한 frame이 f-ctch를 통하여 CIBP packet frame이 수신되면, header로부터 수신지정 여부를 확인하고 해당 이동통신 단말기가 수신할 packet인 경우, body data에 대하여 FEC 디코딩을 실행하고 상위 layer로 전달하는 기능을 갖는다.Meanwhile, the CIBP of the mobile communication terminal corresponds to the CIBP of the base station. When the frame received from the lower physical channel receives the CIBP packet frame through the f-ctch, the mobile terminal determines the reception designation from the header and receives the received mobile communication terminal. In the case of a packet to be transmitted, the FEC decoding is performed on the body data and transmitted to an upper layer.
상기 이동통신 단말기가 수신된 CIBP 패킷 프레임으로부터 수신지정 여부를 판단함에 있어, MAC 헤더에 부가되는 Multicasting/Broadcasting group ID 정보를 참조하여, 해당 ID가 헤더에 포함되어 있는 경우에는 패킷 데이터를 수신한다.When the mobile communication terminal determines whether to specify reception from the received CIBP packet frame, the mobile terminal receives packet data with reference to Multicasting / Broadcasting group ID information added to the MAC header, when the corresponding ID is included in the header.
이상의 설명에서와 같이 본 발명에 따른 이동통신 망에서의 인터넷 패킷 데이터 전송방법에 의하면, 인터넷으로부터 수신된 인터넷 패킷 multicasting/broadcasting 데이터를 이동통신 단말기에 전송함에 있어, 기지국과 단말기 사이에 IP multicasting/broadcasting 데이터를 전송하기 위한 특정된 프로토콜을 사용함으로써, 이동통신 망을 효율적으로 사용할 수 있는 장점이 있다.As described above, according to the Internet packet data transmission method in a mobile communication network according to the present invention, IP multicasting / broadcasting between a base station and a terminal in transmitting Internet packet multicasting / broadcasting data received from the Internet to a mobile communication terminal. By using a specific protocol for transmitting data, there is an advantage that the mobile communication network can be used efficiently.
Claims (5)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2000-0067666A KR100488119B1 (en) | 2000-11-15 | 2000-11-15 | Method for internet packet data transmitting in a mobile communication network |
| US09/987,761 US7116641B2 (en) | 2000-11-15 | 2001-11-15 | Multicast and broadcast transmission method and apparatus of a CDMA mobile communication network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2000-0067666A KR100488119B1 (en) | 2000-11-15 | 2000-11-15 | Method for internet packet data transmitting in a mobile communication network |
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| Publication Number | Publication Date |
|---|---|
| KR20020037792A true KR20020037792A (en) | 2002-05-23 |
| KR100488119B1 KR100488119B1 (en) | 2005-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR10-2000-0067666A Expired - Fee Related KR100488119B1 (en) | 2000-11-15 | 2000-11-15 | Method for internet packet data transmitting in a mobile communication network |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2314650C2 (en) * | 2003-02-25 | 2008-01-10 | Сименс Акциенгезелльшафт | Method for dividing ip-packets, assigned to specific groups, and ip-packet |
| KR100828215B1 (en) * | 2001-10-18 | 2008-05-07 | 엘지전자 주식회사 | IP multicast packet transmission method in mobile communication network |
| KR100905613B1 (en) * | 2002-06-03 | 2009-07-02 | 삼성전자주식회사 | Method and apparatus for multicast transmission / reception of packet data in mobile communication system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3082686B2 (en) * | 1996-11-07 | 2000-08-28 | 日本電気株式会社 | MAC bridge control method and device |
| US6091717A (en) * | 1997-05-05 | 2000-07-18 | Nokia Mobile Phones Limited | Method for scheduling packet data transmission |
| KR100307590B1 (en) * | 1998-08-31 | 2002-05-01 | 윤종용 | Wireless ATM communication system |
-
2000
- 2000-11-15 KR KR10-2000-0067666A patent/KR100488119B1/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100828215B1 (en) * | 2001-10-18 | 2008-05-07 | 엘지전자 주식회사 | IP multicast packet transmission method in mobile communication network |
| KR100905613B1 (en) * | 2002-06-03 | 2009-07-02 | 삼성전자주식회사 | Method and apparatus for multicast transmission / reception of packet data in mobile communication system |
| RU2314650C2 (en) * | 2003-02-25 | 2008-01-10 | Сименс Акциенгезелльшафт | Method for dividing ip-packets, assigned to specific groups, and ip-packet |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100488119B1 (en) | 2005-05-09 |
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