KR100250430B1 - An offering method of internet server on cdma mobile system - Google Patents

Abstract

PURPOSE: A method for supplying an Internet service in a CDMA mobile communication system is provided to make the CDMA mobile communication system perform a point-to-point protocol connection with a PC connected to an MS(Mobile Station), after receiving an Internet service request by using an Internet address of the MS, and to allocate an optional Internet address. CONSTITUTION: If a PC(600) connected to an MS(Mobile Station)(100) requests a PPP(Point-to-Point Protocol) connection to the MS(100), the MS(100) requests an Internet access to an IWFS-I(Inter Working Function Subsystem for Internet)(700)(S10). The IWFS-I(700) searches an idle host number to register the number as a busy state, and allocates an Internet address to request registration of an optional Internet address to an HLR(400)(S11). The HLR(400) confirms that the MS(100) is idle to register the optional Internet address, and notifies a registration completion(S12). The IWFS-I(700) drives a PPP, and informs that the allocated Internet address and the PPP connection are completed(S13). If the PC(600) requests an Internet access cancellation, the MS(100) requests an Internet access cancellation to a base station/mobile exchange(250) and the IWFS-I(700)(S14). The IWFS-I(700) cancels the Internet access and requests an optional Internet address registration cancellation to the HLR(400)(S15). The HLR(400) cancels the registration and notifies a cancellation completion(S16). The IWFS-I(700) cancels the PPP, and changes the host number into an idle state.

Description

Method of Providing Internet Server in Code Division Multiple Access Mobile Communication System

The present invention provides the Internet in a portable computer connected to a mobile terminal by using a code division multiple access (hereinafter referred to as CDMA) mobile communication system that provides a voice service while moving and the Internet function that retrieves information from a computer in a stationary state. The present invention relates to a method for providing an internet server in a code division multiple access mobile communication system providing a server function.

In general, as mobile phones providing voice services are widely used, and the use of the Internet for sharing information around the world becomes more common, there is a demand for Internet services using mobile phones. The Internet service using the mobile telephone network requires an outgoing call for the Internet access in a mobile telephone network where a mobile subscriber accesses a computer communication network using a mobile terminal and a portable computer and retrieves information, and requires the Internet service from the computer communication network to the mobile telephone network. Internet access is retrieved from the portable computer connected to the mobile terminal.

In the related art, a computer system that provides information through an Internet service has a problem in that the mobility of the corresponding computer is impossible since the computer system is used by being connected by wire to a computer communication network. In addition, when the information providing computer is connected by wireless, the radio channel must be allocated at all times.

Accordingly, the present invention uses the mobility management method of the CDMA mobile communication system from the mobile terminal to the Internet interworking device by adding the Internet interworking device to the CDMA mobile communication system, and by using the existing internet access method between the internet interworking device and the computer communication network. Another object of the present invention is to provide a method for providing an Internet server in a code division multiple access mobile communication system that can solve the above disadvantage.

The present invention for achieving the above object is to connect a portable computer to a mobile terminal to provide an Internet service through the Internet in the code division multiple access mobile communication system structure, and the code division multiple access mobile communication network and the computer communication network A first step of configuring the code division multiple access mobile communication system by adding an internet interworking device that performs a speed matching function to connect to a mobile communication switch and then connecting the internet interworking device to a computer communication network; Radio Link Protocol (RLP) is used for efficient data transmission in the wireless section between the base station and the base station, and a rate adapter interface (RAI) frame (consists of start indication, data length, and data information) is used between the base station and the Internet-linked device. To send data to the mobile terminal A second step of transmitting data between the portable computer and the Internet interworking device using an end-to-end protocol, and the portable computer connected to the mobile terminal and the computer communication network having a protocol structure using the TCP / IP protocol of the Internet; When a mobile subscriber subscribes to manage an Internet address in a split multi-access mobile communication system, a subscriber's telephone number and a fixed internet address are assigned to each mobile terminal, and the Internet interworking device is a network address in an internet address composed of a network address and a host address. In the third step of finding the available number of the host number when changing to the busy state when using the Internet service, and assigning and using a temporary Internet address, and changing the host number to the available state when the Internet is terminated, Mobile subscriber numbers and The fixed internet address and temporary internet address information are managed by the home location register, and the host interlocking device manages the host number information accepted in the internet network address given by the internet interlocking device. Find an available host number from an Internet network address, assign a temporary Internet address, register a temporary Internet address with your home location register, change the host number to available when your Internet service is terminated, and then place a temporary Internet address with your home location register. A fourth step of managing an Internet address for canceling the operation; and receiving a request for access to the Internet from a computer communication network to a fixed Internet address assigned to a mobile terminal in the code division multiple access mobile communication system comprising the first to fourth steps, Interlock The device requests the internet connection to the mobile communication exchange, and the mobile communication exchange confirms that the mobile subscriber number of the fixed Internet address is idle by using the home location register, and then finds the phone number and location information of the terminal and uses the mobile subscriber information. A fifth step of performing paging to find a mobile terminal, and notifying the portable computer to which the mobile terminal which received the paging message after the fifth step is requested to access the Internet, receiving a request for end-to-end protocol connection from the portable computer, If a traffic channel connected to the Internet interworking device is established through the base station and the mobile communication exchange using a paging response message, and the end-to-end protocol connection is requested, the internetworking device starts the end-to-end protocol after setting the traffic channel. Temporary Internet Week by 3 and 4 Steps The mobile station of the code division multiple access mobile communication system receives an Internet access request from a computer communication network that allocates a address, requests a temporary Internet address registration from a home location register, and informs a portable computer connected to a mobile terminal that the end-to-end protocol connection is completed. And a sixth step of performing end-to-end protocol connection between the portable computer connected to the terminal and the Internet-linked device.

In the present invention, after adding the Internet interworking device to the CDMA mobile communication system, the Internet interworking device that is requested to access the Internet from the computer communication network is a portable computer and the Internet with the help of a base station / mobile communication switch, a home location register, a mobile terminal, and a portable computer. After connecting Point-to-Point Protocol (PPP) between the interworking devices, assign temporary Internet addresses and use the end-to-end protocol between the Internet-linked devices in the portable computer. A portable computer connected to a mobile terminal using the Internet protocol performs an Internet server function to provide an Internet service through a computer communication network.

An object of the present invention is to provide an Internet service in a CDMA mobile communication system. To this end, a CDMA mobile communication system structure for providing a voice service, a CDMA mobile communication system structure for providing an Internet service with an Internet interworking device that performs Internet matching with a computer communication network, and performing an Internet service in a CDMA mobile communication system The IP address management structure, which assigns and manages a fixed Internet address assigned to a new subscriber and a temporary Internet address used only during Internet service, and assigns an Internet Protocol address upon request for Internet access. After the channel is established between the companion device and the portable computer connected to the mobile terminal, it is a process of providing information through the Internet service to the computer communication network using the end-to-end protocol and TCP / IP. Through this structure and processing process, when the internet service is requested from the computer network, the end-to-end protocol is connected between the internet linkage device and the portable computer connected to the mobile terminal using the call setup process of the voice service of the CDMA mobile communication system. It provides information through internet service by assigning.

1 is a structural diagram of a code division multiple access (CDMA) mobile communication system for providing a voice service.

2 is a structural diagram of a code division multiple access (CDMA) mobile communication system providing an Internet service.

3 is a diagram illustrating an IP address management structure of a code division multiple access (CDMA) mobile communication system.

4 is a structural diagram illustrating a method of allocating an Internet Protocol address.

FIG. 5 is a structural diagram illustrating a method for receiving an Internet connection in a code division multiple access (CDMA) mobile communication system. FIG.

<Explanation of symbols for the main parts of the drawings>

100: mobile station (MS)

200: base station (BS)

300: Mobile Exchange (MX: Mobile Exchange)

400: Home Location Register / Authentication Center (HLR / AC)

500: Public Switched Telephony Network (PSTN)

600: personal computer (PC)

700: Internet interworking device (IWFS-I: InterWorking Function Subsystem for INTERNET)

800: computer network

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

1 is a structural diagram of a CDMA mobile communication system providing a voice service composed of a mobile terminal 100, a base station 200, a mobile communication switch 300, a home location register / authentication center 400, and a public telephone network 500. to be.

When the CDMA mobile communication subscriber requests a voice service, the mobile terminal 100 requests a call setup for the voice service to the base station 200, and transmits a voice message input from the subscriber to the base station 200 through a wireless section. It is responsible for the function of hearing the voice message received from the base station 200 to the subscriber. The base station 200 receives a voice service call setup request from the mobile terminal 100 and requests a call setup from the mobile communication switch 300. The base station 200 transmits a voice message received from the mobile terminal to the mobile communication switch 300. It is responsible for transmitting a voice message received from the exchange 300 to the mobile terminal through a wireless section. The mobile communication switch 300 receives a call setup request from the base station 200, inquires the location information of the called terminal in the home location register 400, requests a call setup from a large station, and receives a voice message received from the base station 200. It is responsible for transmitting the voice message received from the receiving terminal of the large station to the base station 200 and transmits to the destination terminal connected to the large station.

2 is a CDMA mobile communication system for providing an Internet service in which a portable computer (PC) and an Internet interworking device (IWF-I) are added to provide an Internet service in the CDMA mobile communication system structure providing the voice service of FIG. It is a structure diagram.

In FIG. 2, the portable computer 600 performs a call setup request for a point-to-point protocol (PPP) connection and a data transmission / reception function to the mobile terminal 100. The mobile terminal 100 performs a call setup request to the base station 200, supports data transmission between the portable computer 600 and the base station 200, and performs a RLP (Radio Link Protocol) function. The base station 200 performs a call setup function, a data transmission, and an RLP function during the mobile communication exchange period with the mobile terminal 100 and the mobile terminal 100. The home location register 400 is responsible for storing and managing information of the mobile terminal, and the Internet interworking device 700 receives a call setup request and initiates an end-to-end protocol connection with the portable computer 600 connected to the mobile terminal. In addition, the portable computer notifies the call channel setting and the end-to-end protocol connection is completed, and is responsible for data transmission between the mobile communication switch 300 and the computer communication network 800. To this end, the Internet interworking device 700 is connected to the mobile communication switch 300 by an E1 trunk and is connected to the computer communication network 800 via an Ethernet. In order to perform the Internet service, the portable computer 600 implements the Internet protocol TCP / IP and the end-to-end protocol 610, and the mobile terminal 100 implements the RLP for data transmission in the wireless section (110). In operation 200, a RAI (completion of start indication, data length, and data) processing function for data transmission between the RLP 210 and the Internet-linked device is implemented. An end-to-end protocol (PPP) and an RAI processing function are implemented in the Internet interworking device 700 (710), and TCP / IP, which is an internet protocol, is implemented in the computer communication network 800 (810).

In FIG. 2, the portable computer 600 requests an end-to-end protocol connection through the mobile terminal 100 using the point-to-point protocol connection software to perform an Internet service, and the mobile terminal 100. Receives the end-to-end protocol connection request from the portable computer and requests the call setup from the base station 200, and the base station 200 receives the call setup request from the mobile terminal and requests the call setup from the mobile communication switch 300. The mobile communication switch 300 receives the call setup request from the base station, inquires the information of the called terminal from the home location register 400, and if it is determined to be an Internet service request, the mobile communication switch 300 for the Internet service with the Internet interworking device 700 (IWF-I). The end-to-end protocol connection is requested, and the Internet interworking device 700 indicates that the end-to-end protocol connection is completed after setting up the traffic channel via the mobile communication switch 300, the base station 200, and the mobile terminal 100. To be informed. At this time, the portable computer operates the Internet service program to perform the Internet service. Unexplained reference numeral 500 denotes a public telephone network.

3 is a structural diagram of data for managing an Internet address for performing an Internet service in a CDMA mobile communication system.

The CDMA mobile communication system assigns a mobile subscriber number 411 and a fixed internet address 413 to a subscriber when subscribing a service to all mobile terminals, and includes a routing number (MSRN) including location information changed according to the movement of the mobile terminal. 412 and a temporary internet address 414 for performing Internet services at the moved location. The temporary Internet address 414 is assigned by the Internet connection device when the Internet connection is requested from the mobile terminal, and terminates when the Internet connection is released. The Internet address data structure 410 including the subscriber number 411, the routing number 412, the fixed Internet address 413, the temporary Internet address 414, and the status information (busy, idle; 415) of the mobile terminal is provided. And stored in the home location register 400 of FIG.

The Internet interworking device 700 of FIG. 2 is given a network address of the Internet among the network address and the host number constituting the Internet address, and temporarily assigns the numbers of all hosts that are acceptable to the received network address according to the Internet service request of the mobile terminal. And temporary internet address management, which terminates when the Internet service is released. To do this, host number management data structure 720 consisting of a host number 721, a first host number 722, a next host number 723, and an available host number 724, and state information for each host number The host number 731, the usage state 732 for managing the usage state of the host number, the connection channel number 733 for managing the traffic channel number used by the host number in use, and the type of service used by the host number in use ( 734 (host number status data structure 730 composed of asynchronous data service, G3 fax, Internet, ...) is managed by the Internet-linked device 700 of FIG. After receiving the Internet service request from the mobile terminal, the Internet-linked device allocates an available Internet address using the host number management data structure 720 and the host state data structure 730 of FIG. 3 to notify the home location register 400. Register with the Internet address data structure 410.

4 is a diagram illustrating a process of allocating a temporary Internet address by an Internet interworking device when a mobile terminal accommodated in a CDMA mobile communication system requests Internet access.

When the portable computer 600 connected to the mobile terminal requires a point-to-point protocol connection for accessing the Internet to the mobile terminal, the mobile terminal uses the call setup procedure of the CDMA mobile communication system. The internet connection device 700 is requested to the internet via the switch 250 (S10). After using the host number management data structure 720 and the host number status data structure 730 of FIG. 3, the Internet interworking apparatus 700 finds an available host number and registers it in a busy state and allocates an Internet address. The home location register 400 requests registration of a temporary internet address (S11). After confirming that the mobile terminal is available (Idle) in the Internet address data structure 410 of FIG. 3, the home location register 400 registers a temporary internet address and notifies registration completion (S12). The Internet interworking device 700 operates a point-to-point protocol and has an Internet address and end-to-end protocol connection assigned to the portable computer via the base station / mobile switch 250 and the mobile terminal 100. Notify that the completion (S13). When the portable computer 600 requests the Internet connection release while the portable computer 600 performs the Internet service, the mobile terminal 100 requests the Internet access release to the base station / mobile switch and the Internet interworking device 700 (S14). The Internet-linked device 700 releases the Internet connection and requests the home location register 400 to cancel the temporary Internet address registration (S15). The home location register 400 cancels the temporary internet address registered in the Internet address data structure 410 of FIG. 3 and notifies completion of cancellation (S16). The Internet interworking device 700 releases the point-to-point protocol and uses the host number management data structure 720 and the host number status data structure 730 of FIG. Change to idle for use.

5 is a diagram illustrating a process of receiving an Internet access in a CDMA mobile communication system. When the Internet connection request is received from the computer communication network 800 to the Internet interworking device 700 of the CDMA mobile communication system using the fixed Internet address (the fixed Internet address 413 of FIG. 3), the Internet interworking device Requests for Internet access to the base station / mobile switch 250, including the fixed Internet address (S21). When the base station / mobile communication switch requests the location information of the terminal to the home location register 400 (S22), the home location register registers the routing number of the fixed Internet address 413 in the Internet address data structure 410 of FIG. 412 and the mobile terminal are in an available state (Idle), and notifies the base station / mobile communication switch 250 of the routing number and the location information (S23). The base station / mobile communication switch performs a paging function for the mobile terminal to find the mobile terminal using the paging function of the CDMA mobile communication system using the routing number (S24). The mobile terminal 100 receiving the paging message notifies the connected portable computer 600 that the Internet service request has been received, and the portable computer transmits the end-to-end protocol connection request to the mobile terminal using the paging response function of the CDMA mobile communication system. 100) and requests to base station / mobile communication switch 250 (S25). When the base station / mobile communication switch requests the channel setting and the end-to-end protocol connection to the Internet linking device 700 (S26), the Internet linking device 700 displays the host number management data structure 720 and the host number of FIG. Using the state data structure 730, the host number is found and registered as a busy state, an internet address is allocated, and the home location register 400 is required to register a temporary internet address (S27). The home location registerer 400 registers a temporary internet address in the internet address data structure 410 of FIG. 3 and notifies registration completion (S28). The Internet interworking device 700 operates a point-to-point protocol and has an Internet address and end-to-end protocol connection assigned to the portable computer via the base station / mobile switch 250 and the mobile terminal 100. Notify that the completion (S29). From this point on, the computer communication network and the portable computer of the CDMA mobile communication system use the newly allocated temporary internet address to perform internet service. Even if the handoff occurs due to the movement of the mobile terminal during the Internet service, the portable computer 600 and the Internet-linked device continue the service without interruption of service using the handoff function of the CDMA mobile communication system. To do this, end-to-end protocols and temporary Internet addresses must still be used between the mobile terminal and the Internet-linked device even during handoff. When the Internet connection release request is received from the computer communication network 800 during the Internet service to the Internet linking device 700, the Internet linking device requests the base station / mobile communication switch 250 and the mobile terminal to terminate the Internet service (S30, S31). ), The portable computer 600 stops driving the end-to-end protocol. The mobile terminal notifies the internet connection device 700 of the end-to-end protocol connection release via the base station / mobile communication switch 250 (S32, S33). The Internet-linked device releases the Internet connection and requests the temporary registration of the temporary internet address to the home location register 400 (S34). The home location register 400 cancels the temporary internet address registered in the internet address data structure 410 of FIG. 3 and notifies completion of cancellation (S35). The Internet interworking device 700 releases the point-to-point protocol and uses the host number management data structure 720 and the host number status data structure 730 of FIG. Change to idle for use. As such, when CDMA mobile communication system receives Internet service request from computer communication network in order to use radio resources efficiently, it establishes traffic channel in wireless section through call setup process of voice service and provides Internet service. Release the traffic channel in the wireless section and use it for the next service.

In the CDMA mobile communication exchange performed through the above process, the internet service providing process assigns a mobile phone number and a fixed internet address to the mobile terminal, and when the internet connection device of the mobile communication system receives the Internet service request from the computer communication network, After the communication exchange finds the status information (busy, idle), routing number, and location information of the mobile terminal using a fixed internet address, it establishes a traffic channel with the mobile terminal through the paging function of the voice service, and is a portable computer connected to the mobile terminal. After the end-to-end protocol is connected between the network and the Internet interworking device, a temporary internet address is assigned to provide the Internet service from the portable computer connected to the mobile terminal to the computer communication network.

As described above, an object of the present invention is to provide information through an Internet service in a mobile computer by using a function of a CDMA mobile communication system that provides a voice service while moving and an Internet function that retrieves information from a computer in a stationary state. It is done. Using the present invention, a subscriber of a CDMA mobile communication system may perform an Internet server function for providing information through an Internet service in a portable computer connected to a mobile terminal according to a computer request of a computer communication network during the movement. In particular, in order to solve the problem that the existing Internet protocol is defined in a state in which a computer providing information through the Internet is fixed, it cannot be used when the user is on the move, from the computer communication network to the CDMA mobile communication system. It is possible to easily implement the method by providing the Internet service using the end-to-end protocol connection from the mobile communication system to the mobile computer connected to the mobile terminal.

Claims (2)

In the code division multiple access mobile communication system architecture, the Internet connects a portable computer to a mobile terminal to provide an Internet service through an Internet connection, and performs a speed matching function for matching the code division multiple access mobile communication network with a computer communication network. A first step of adding the interworking device to the mobile communication switch and then connecting the internet interworking device to the computer communication network to configure the code division multiple access mobile communication system; Radio Link Protocol (RLP) is used for efficient data transmission in the wireless section between the mobile terminal and the base station, and a rate adapter interface (RAI) frame (start indication, data length, data information) is used between the base station and the Internet-linked device. Data is transmitted by using), and the data is transferred between the portable computer connected to the mobile terminal and the Internet-linked device using the end-to-end protocol, and the transmission control protocol / network protocol between the portable computer connected to the mobile terminal and the computer communication network is A second step having a protocol structure using (TCP / IP), When the mobile subscriber subscribes to manage the Internet address in the code division multiple access mobile communication system, a subscriber's telephone number and a fixed internet address are assigned to each mobile terminal, and the Internet interworking device uses an internet address composed of a network address and a host address. The third step of finding the available number of the host number when the Internet service is performed and changing it to the active state after assigning the network address, assigning and using a temporary internet address, and changing the host number to the available state when the Internet is terminated; In the third step, the mobile subscriber number, the fixed Internet address, and the temporary Internet address information are managed by the home location register, and the Internet linkage device manages the host number information accommodated in the Internet network address received from the Internet linkage device. After receiving an Internet access request, it finds an available host number from an assigned Internet network address, assigns a temporary Internet address, registers a temporary Internet address with a home location register, and changes the host number to available when the Internet service is terminated. The fourth step of managing the internet address after you cancel the temporary internet address on your home location register; In the code division multiple access mobile communication system composed of the first to fourth steps, when the Internet connection is requested from the computer communication network to the fixed Internet address assigned to the mobile terminal, the Internet interworking device requests the Internet connection to the mobile communication exchange, The mobile communication switch, after confirming that the mobile subscriber number of the fixed Internet address is idle with the home location register, finds the phone number and location information of the terminal and performs paging to find the mobile terminal using the mobile subscriber information. Wow, After performing the fifth step, the mobile terminal receiving the paging message is notified that the internet connection is requested, the end-to-end protocol connection is requested from the portable computer, and through the base station and the mobile communication exchange using the paging response message. When establishing a traffic channel connected to the internet interworking device and requesting an end-to-end protocol connection, the internet interworking device starts the end-to-end protocol after setting up the traffic channel, assigning a temporary internet address by the third and fourth steps, and The portable computer connected to the mobile terminal of the code division multiple access mobile communication system receives the Internet connection request from the computer communication network that requests the temporary registration of the temporary Internet address to the mobile terminal connected to the mobile terminal after the end-to-end protocol connection is completed. Wow Internet method provides Internet server in a code division multiple access mobile communication system, characterized in that made in a sixth step of performing a point-to-point protocol connection between the linkage. The method according to claim 1, wherein, in the code division multiple access mobile communication system, if an Internet service is requested from the computer communication network after the portable computer connected to the mobile terminal and the Internet interworking device are completed in the end-to-end protocol, the allocated temporary internet address is used. In the step of transmitting data to a portable computer connected to the mobile terminal, the portable computer transmits the data to the computer communication network via the mobile terminal, the base station, the mobile communication switch, the Internet interworking device, For the efficient data transmission in the wireless section, the radio link protocol (RLP) is used in the wireless section between the mobile terminal and the base station, and the end-to-end protocol is used in the portable computer and the Internet interworking device, and the internet is between the portable computer and the computer in the computer communication network. Transmitting data using a transmission control protocol / network protocol, which is a protocol, and performing the transmission rate matching function between the computer communication network and the code division multiple access mobile communication system during data transmission; When the Internet service is terminated during the Internet service using the above steps, the Internet interworking device requests the end of the traffic channel and the end-to-end protocol by using the call release procedure of the voice service to the mobile switching center, the base station, and the mobile terminal, and the home location register. A code division multiple access move comprising the step of disabling data transfer and data transfer during an Internet service that requires revocation of the temporary Internet address and changes the host number being used for the temporary Internet address to an available state. How to provide internet server in communication system.

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