WO2009139562A2 - Point d'accès mobile et dispositif terminal multifonction utilisant un terminal portable multimode assurant des fonctions de réseau lan sans fil et internet mobile - Google Patents

Point d'accès mobile et dispositif terminal multifonction utilisant un terminal portable multimode assurant des fonctions de réseau lan sans fil et internet mobile Download PDF

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Publication number
WO2009139562A2
WO2009139562A2 PCT/KR2009/002470 KR2009002470W WO2009139562A2 WO 2009139562 A2 WO2009139562 A2 WO 2009139562A2 KR 2009002470 W KR2009002470 W KR 2009002470W WO 2009139562 A2 WO2009139562 A2 WO 2009139562A2
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Prior art keywords
unit
data message
portable internet
terminal device
wlan
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PCT/KR2009/002470
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English (en)
Korean (ko)
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WO2009139562A3 (fr
Inventor
이주현
박동현
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주식회사 아이뉴정보통신
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Publication of WO2009139562A2 publication Critical patent/WO2009139562A2/fr
Publication of WO2009139562A3 publication Critical patent/WO2009139562A3/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/04—Terminal devices adapted for relaying to or from another terminal or user

Definitions

  • the present invention relates to an access point (AP) for providing an access service to a portable internet network, and more particularly to a mobile access device having a mobility possibility.
  • the present invention also relates to a composite terminal device capable of performing a plurality of functions including the functions of a mobile access device.
  • the present invention also relates to switching to a mobile access device or to a device capable of performing a plurality of functions including the functions of the mobile access device (hereinafter referred to as a composite terminal device).
  • Wireless LAN enables high-speed Internet access through PDAs, notebook computers, etc., within a certain distance centered on where access points (APs) are installed.
  • APs access points
  • the wireless LAN has a problem that it is difficult to use when the user is moving or away from the access device because the radio reach is short, and the wireless LAN is installed around a specific service area (also called a 'hot spot') to cover a large area. There is a problem that does not cover all.
  • the portable Internet (a WiBro service in Korea as a service type) is similar to a wireless LAN, but it allows users to use the high-speed Internet while moving anywhere like a mobile communication terminal.
  • the portable Internet can overcome the limitations of the wireless LAN by using a frequency of 2.3 GHz and provide the high-speed Internet service required by the user on the go.
  • the mobile access device performs a function of connecting an access point (AP) of a wireless LAN and a connected terminal to a portable internet network. That is, the mobile access device performs a function of relaying the wireless LAN and the portable Internet.
  • the mobile access device includes both a portion for performing a function of an access point (AP) for a WLAN terminal and a portion for performing communication with a portable Internet network. Perform relay function by interlocking parts.
  • AP access point
  • the term 'mobile access device' refers to the term 'mobile' in the sense that mobile access devices do not require a direct connection to a wired network and are easily mobile. May be made. ⁇
  • WiFi Wireless Fidelity
  • WECA Wireless Ethernet Compatibility Alliance
  • the present invention has been made in view of solving the problems of the background technologies described above or in consideration of the situations in which the background technologies are located, and has the following technical problems.
  • One technical problem of the present invention is to enable a user to easily obtain a mobile access device or a device including a function of a mobile access device at a low cost.
  • Another technical problem of the present invention is to enable a user to more easily carry a mobile access device or a device including the functions of the mobile access device.
  • Another technical problem of the present invention is to make it possible to drastically shorten the cost and time required for development and authentication in order to commercialize a mobile connection device or a device including the functions of the mobile connection device.
  • the present invention provides a mobile access device 100 for providing a relay service to a portable Internet network for a wireless LAN terminal (91, 92, 93), the wireless LAN client function and the portable Internet
  • a portable internet client unit 213 for performing protocol processing on a control message or a data message from the portable internet network or a control message or a data message to the portable internet network;
  • a NAT function unit 221 for performing IP address translation on the data message from the soft AP unit 220 or the data message from the portable Internet client unit 213. It is done.
  • the present invention provides a mobile access device 100 for providing a relay service to a portable Internet network for a wireless LAN terminal (91, 92, 93), the wireless LAN client function and the portable Internet
  • a mobile access device 100 for providing a relay service to a portable Internet network for a wireless LAN terminal (91, 92, 93), the wireless LAN client function and the portable Internet
  • a conventional multi-mode portable terminal apparatus 10 having a client function, for a control message or a data message from the WLAN terminals 91, 92, 93, or the WLAN terminal 91,92
  • Soft AP unit 220 for performing protocol processing on the control message or the data message to 93
  • a NAT function unit 221 for performing IP address translation on the data message from the soft AP unit 220 or the data message from the portable Internet client unit 213.
  • the present invention provides a normal mode that operates with a wireless LAN client function and a portable Internet client function, and provides a relay service to the portable Internet network for the wireless LAN terminals 91, 92, and 93.
  • a hybrid terminal device capable of switching between relay modes for a wireless terminal comprising: a hardware platform for manufacturing a conventional multi-mode mobile terminal device 10 having the wireless LAN client function and a portable Internet client function; A soft AP unit 220 for performing protocol processing on a control message or a data message from 92,93 or a control message or a data message to the WLAN terminal 91,92,93; A portable internet client unit 213 for performing protocol processing on a control message or a data message from the portable internet network or a control message or a data message to the portable internet network; And a NAT function unit 221 for performing IP address translation on the data message from the soft AP unit 220 or the data message from the portable Internet client unit 213. It is done.
  • the present invention provides a normal mode that operates with a wireless LAN client function and a portable Internet client function, and provides a relay service to the portable Internet network for the wireless LAN terminals 91, 92, and 93.
  • a hybrid terminal device capable of switching between relay modes for a wireless terminal comprising: a hardware platform for manufacturing a conventional multi-mode mobile terminal device 10 having the wireless LAN client function and a portable Internet client function; A soft AP unit 220 for performing protocol processing on a control message or a data message from 92,93 or a control message or a data message to the WLAN terminal 91,92,93; A portable internet client unit 213 for performing protocol processing on a control message or a data message from the portable internet network or a control message or a data message to the portable internet network; And a NAT function unit 221 for performing IP address translation on the data message from the soft AP unit 220 or the data message from the portable Internet client unit 213. It is done.
  • the multi-mode portable terminal apparatus 10 is a relay mode-the relay A mode is one mode for providing a connection service to the portable Internet network for the WLAN terminals 91, 92 and 93-determining whether it is set to 302; If it is determined in the step 302 that the relay mode is set, it is determined whether the software function blocks necessary for operating in the relay mode exist in the multi-mode portable terminal device 10 and the software function blocks And if not present, downloading and setting the content including the software functional blocks.
  • the method includes converting a multi-mode portable terminal device to a composite terminal device.
  • the multi-mode portable terminal device 10 is a mobile access device 100 )-The mobile access device 100 is a device for providing a connection service to a portable Internet network for the wireless LAN terminals 91, 92, and 93. Determining (303) whether present in (10); Downloading and setting the content including the software function blocks if the software function blocks do not exist as a result of the step 303; A method for converting a multi-mode portable terminal device into a mobile access device, characterized in that for performing a process comprising a.
  • the present invention can be switched from the existing multi-mode portable terminal device to a mobile access device or a device (multiple terminal device) including the functions of the mobile access device through content download, the present invention provides a user with a mobile access device or a mobile access device. There is an effect that a device (multiple terminal device) including the function of the device can be easily obtained at a small cost.
  • the present invention can produce a mobile access device or a device (multiple terminal device) including the functions of the mobile access device by changing only the software on the hardware platform used in the existing multi-mode portable terminal device, the present invention provides the user with a mobile access. There is an effect that the device (composite terminal device) including the function of the device or the mobile access device can be easily obtained at a low cost.
  • the present invention can add a function of a mobile access device to a conventional multi-mode portable terminal device only by changing software, a multi- terminal device having both the multi-mode mobile terminal device and the mobile access device can be easily implemented. It is not necessary to carry the mode portable terminal device and the mobile connection device separately. Therefore, according to the present invention, in addition to carrying a multi-mode portable terminal device for receiving telephone service or Internet service, the functions of the mobile access device can be used together without carrying a separate device. According to the present invention, there is an effect that a user can more easily carry a mobile access device or a device (composite terminal device) including the functions of the mobile access device.
  • the present invention uses the hardware, physical layer and link layer of the existing multi-mode portable terminal device as it is. Therefore, the present invention has the effect that the cost and time required for development and certification can be greatly reduced in order to commercialize a mobile access device or a device (multiple terminal device) including the functions of the mobile access device.
  • FIG. 1 is a diagram conceptually illustrating a situation in which a multi-mode portable terminal device having a WLAN module and a portable Internet module is provided with an existing service.
  • FIG. 2 illustrates the use situation after converting a multi-mode portable terminal device having a conventional wireless LAN client function and a portable Internet client function into a mobile access device 100 or a device 101 including a function of a mobile access device.
  • a multi-mode portable terminal device having a conventional wireless LAN client function and a portable Internet client function into a mobile access device 100 or a device 101 including a function of a mobile access device.
  • FIG. 2 illustrates the use situation after converting a multi-mode portable terminal device having a conventional wireless LAN client function and a portable Internet client function into a mobile access device 100 or a device 101 including a function of a mobile access device.
  • FIG. 2 illustrates the use situation after converting a multi-mode portable terminal device having a conventional wireless LAN client function and a portable Internet client function into a mobile access device 100 or a device 101 including a function of a mobile access device.
  • FIG. 3 is a block diagram illustrating an internal hardware configuration of an existing multi-mode portable terminal apparatus having a wireless LAN module and a portable internet module.
  • FIG. 4 is a software structure 200 for operating in a general multi-mode portable terminal apparatus 10, or a software structure for operating in a conventional wireless LAN client or a portable Internet client in a composite terminal apparatus 101 (normal mode). 200 is a view showing.
  • FIG 5 is a diagram illustrating a software structure 200 when operating in the relay mode in the software structure 200 or the composite terminal device 101 of the mobile access device 100.
  • FIG. 6 is a diagram illustrating a software structure 250 when operating a routing function when operating in the relay mode in the software structure 200 or the composite terminal device 101 of the mobile access device 100.
  • FIG. 7 is a diagram illustrating a process in which the multi-mode portable terminal device 10 is converted to the composite terminal device 101 and an operation process after the conversion to the composite terminal device 101 by the download method.
  • FIG. 8 is a diagram illustrating an operation process of the composite terminal device 101 when the composite terminal device 101 is produced from the beginning.
  • FIG. 9 is a diagram illustrating a process of switching the multi-mode portable terminal device 10 to the mobile access device 100 by a download method and an operation process after switching to the mobile access device 101.
  • FIG. 10 is a diagram illustrating an operation process of the mobile access device 100 when the mobile access device 100 is produced from the beginning.
  • FIG. 11 illustrates a control message processing subroutine 400.
  • FIG. 12 illustrates a NAT processing subroutine 500.
  • the present invention has the greatest feature in that an existing multi-mode portable terminal apparatus having a wireless LAN client function and a portable Internet client function is provided to provide a device including a function of a mobile access device or a mobile access device.
  • Dual-mode phones commonly called 'WiFi phones', are equipped with modules for receiving wireless LAN service and wide area mobile communication service, respectively.
  • a multi-mode portable terminal device including both a wireless LAN module and a portable internet module can be assumed.
  • a module for a WLAN service is programmed and released to perform a function of a WLAN client.
  • a module having a function of a WLAN client may be changed to have a function of an access point (AP) for the WLAN terminal.
  • AP access point
  • FIG. 1 is a diagram conceptually illustrating a situation in which a multi-mode portable terminal device having a WLAN module and a portable Internet module is provided with an existing service. It shows the general use of the existing multi-mode portable terminal device as described above.
  • the multi-mode portable terminal device 10 When the multi-mode portable terminal device 10 is located in the service area 80 of the access device 50 (AP: Access Point), the multi-mode portable terminal device 10 is connected to the Ethernet switch via the connection device 50. It is connected to the / router 60 and the IP network 40 can be provided with the Internet service. On the other hand, if it is out of the service area 80 of the wireless LAN and within the service area 70 of the portable Internet, the Radio Access Station (RAS) 20 of the portable Internet and the ACR (Access Control Router) Internet service is provided through a connection control router (portable internet control station) (30). In this case, the multi-mode portable terminal device 10 may be provided with a mobile phone service and an Internet service.
  • RAS Radio Access Station
  • ACR Access Control Router
  • each protocol stack is illustrated when the multi-mode portable terminal device 10 is connected through a wireless LAN or when connected through a portable Internet.
  • the multi-mode portable terminal device 10 uses the wireless LAN connection IP address received from the DHCP server unit of the connection device 50.
  • the 802.11 link layer 13 and the 802.11 physical layer 14 a mobile phone service or an Internet service is provided.
  • the multi-mode portable terminal device 10 receives the IP address for the mobile Internet connection generated in the process of connecting with the ACR 30. Based on the 802.16 link layer 16 and the 802.16 physical layer 17, the mobile phone service or the Internet service is provided.
  • FIG. 2 is a view illustrating a method of converting a multi-mode portable terminal device having a conventional WLAN client function and a portable Internet client function into a mobile access device 100 or a device 101 including a function of a mobile access device according to the present invention. It is a figure which shows the usage situation conceptually.
  • FIG. 1 shows a situation in which a mobile Internet network is connected through a device or the like.
  • the mobile access devices 100 and 101 are portable Internet clients capable of receiving portable Internet services in the portable Internet service area 70.
  • the mobile access device 100 or 101 has the function of a wireless LAN access device, and has a portable terminal device 91, a PDA 92, or a notebook computer 93 having a wireless LAN client function coming into its service range 90.
  • wireless LAN terminal To establish an environment that can provide access services to (hereinafter referred to as "wireless LAN terminal").
  • the present invention generally relates to two types of devices, namely, a 'mobile access device' and a 'composite terminal device'.
  • a 'mobile access device' is a device providing a wireless access function to a portable Internet network using a wireless LAN to a wireless LAN terminal
  • a 'multiple terminal device' is a wireless access to a portable Internet network using a wireless LAN to a wireless LAN terminal.
  • the device can selectively provide a function as a wireless LAN client and a function as a portable Internet client.
  • the composite terminal device refers to a terminal which has a function as a wireless LAN client or a portable Internet client in addition to the function as a mobile access device.
  • a mode when the composite terminal device functions as a mobile access device will be referred to as a relay mode, and a mode when it functions as a wireless LAN client or a portable Internet client will be referred to as a normal mode.
  • the composite terminal device can change between the relay mode and the normal mode.
  • the composite terminal device of the present invention when the composite terminal device of the present invention is in the relay mode, the composite terminal device may provide a voice call function by using the VoPI unit while providing a relay service to the WLAN terminal (details will be described later).
  • the present invention switches the multi-mode portable terminal device having the function of the existing wireless LAN client and the portable Internet client as described above, to obtain a mobile access device or a composite terminal device.
  • the conversion is possible by changing the software, especially the application layer part of the protocol stack.
  • One is to sell the changed software during the production process and sell it as a mobile access device or a composite terminal device, and the other is to include content that can contain the necessary software blocks or generate the required software blocks in the existing multi-mode portable terminal device.
  • the existing multi-mode portable terminal device is changed to a mobile access device or a composite terminal device.
  • FIG. 2 shows the protocol stack of the mobile access device 100 or the protocol stack when the composite terminal device 101 operates in the relay mode.
  • the mobile access devices 100 and 101 have an 802.11 WLAN physical layer 14, an 802.11 link layer 13, an IP layer 18, and an application layer 19 to provide access over a WLAN. have.
  • the mobile access devices 100 and 101 have an 802.16 physical layer 17, an 802.16 link layer 16, an IP layer 15, and an application layer 19 to receive a portable Internet service.
  • the application layer 19 includes a DHCP server and WLAN authentication for providing access to the WLAN terminals 91, 92, and 93, a DHCP client for providing mobile Internet service, IP management and VoIP, and data. It includes NAT to handle address translation during the exchange, or it includes a router for routing.
  • DHCP server and WLAN authentication is the application layer on the WLAN side
  • DHCP client, IP management and VoIP is the application layer on the mobile Internet side
  • NAT or router is the application layer interworking both sides.
  • FIG. 3 is a block diagram illustrating an internal hardware configuration of an existing multi-mode portable terminal apparatus having a wireless LAN module unit and a portable internet module unit.
  • the hardware configuration of the multi-mode portable terminal device 10 shown in FIG. 3 can be used as it is as the hardware configuration of the mobile access device 100 of the present invention.
  • 3 is a diagram showing the hardware configuration of the mobile access device 100 or the composite terminal device 101 of the present invention.
  • the portable terminal device 10 or the mobile access device 100 or 101 includes an LCD 111 for providing a screen to the user, an audio 112 for processing a voice, and a user's input based on the CPU 160. It has a peripheral device 110 including a touch button 113 to process the image, a camera 114 for inputting an image, and an external interface 115 for external USB connection or other device connection.
  • the mobile terminal 10 or the mobile access device 100 or 101 includes a wireless LAN module 120 for wireless LAN connection and a portable internet module 150 for mobile internet connection.
  • the portable terminal device 10 or the mobile connection device 100 or 101 may include a power supply unit 140 including a power supply unit 142 for applying power and a protection circuit unit 141 for protecting the device in case of overload.
  • a memory unit 130 having an NVRAM 133 for storing important data, an SDRAM 132 for executing a program, and an external memory 131 for external backup or data storage.
  • the memories of the memory unit 130 not only store personal information required by the portable terminal device 10 or the mobile access device 100, 101, but also convert the portable terminal device 10 to the mobile access device 100, 101. It is also used to store the software.
  • FIG. 4 illustrates a software structure 200 for operating in a general multi-mode portable terminal apparatus 10, or a software structure for operating as a normal wireless LAN client or a portable Internet client in a composite terminal apparatus 101 (normal mode).
  • 200 is a view showing. 4 is not a hardware structure but a software structure 200.
  • the IP management unit 210 receives and manages an IP address from the AP 50 of the wireless LAN through the wireless LAN client 211 when the wireless LAN is connected. It receives and manages an IP address from the ACR 30 through 213.
  • the environment setting unit 212 is a function block that manages environment settings of the multi-mode portable terminal device, provides a menu, and processes a user's input.
  • the download unit 214 is a functional block that manages actual download under the control of the environment setting unit 212. When the content is downloaded from the content provider, the environment setting unit 212 may configure the multi-mode portable terminal device using the downloaded content.
  • the download unit 214 downloads the content and the environment setting unit 212 downloads the content. It may be possible to switch to the mobile access device 100 or the composite terminal device 101 by using.
  • the download unit 214 and the environment setting unit 214 are generally provided as a general multi-mode portable terminal device 10, in order to implement the mobile access device 100 or the composite terminal device 101 of the present invention. It should be noted that it is not considered to have a separate.
  • the multi-mode portable terminal apparatus 10 or the composite terminal apparatus 101 in the normal mode is provided with a voice call service using the voice call processor 215 or the internet data processor 216 in the same manner as a general mobile phone. Internet service can be provided.
  • FIG 5 is a diagram illustrating a software structure 200 when operating in the relay mode in the software structure 200 or the composite terminal device 101 of the mobile access device 100.
  • the mobile access device 100 or the composite terminal device 101 may be converted to the mobile access device 100 or the composite terminal device 101 during use as the multi-mode portable terminal device 10, or may be multi-mode portable in the production process. It may be implemented as the mobile access device 100 or the composite terminal device 101 through software mounting on the hardware platform of the terminal device 10. In either case, FIG. 5 shows the software structure 200 of the mobile access device 100 or the software structure 200 when operating in the relay mode in the composite terminal device 101.
  • the multi-mode portable terminal device 10 has a wireless LAN client function.
  • the mobile access device 100 or 101 of FIG. 5 does not operate the wireless LAN client function.
  • the soft AP unit 220, the DHCP server unit 222, and the wireless LAN authentication unit 223 are generated to function as an access device.
  • a NAT function unit 221 is generated to interwork the wireless LAN and the portable Internet.
  • the IP management unit 210 is a software block that performs a function of requesting an IP address to the ACR 30 through the portable Internet client unit 213 and managing a received IP address.
  • the IP management unit 210 records the IP address received through the portable Internet client unit 213 in the NAT function unit 221.
  • the portable internet client unit 213 is a functional block for accessing the portable internet.
  • the portable Internet client unit 213 performs protocol processing on the control message and data message from the IP management unit 210 and the NAT function unit 221, or, conversely, the protocol processing on the control message and data message from the portable Internet network. It is a functional block that performs.
  • the portable Internet client unit 213 performs protocol processing through operations of the 802.16 physical layer and the 802.16MAC layer.
  • the configuration unit 212 is the same software functional block in both the conventional multi-mode portable terminal device 10 or the mobile access device 100 and the composite terminal device 101 of the present invention.
  • the environment setting unit 212 generally provides a menu to a user and performs a function of changing a device setting according to the menu setting.
  • the environment setting unit 212 may be involved in environment setting when the multi-mode portable terminal device 10 is switched to the mobile connection device 100, 101, or the like, and the relay mode in the composite terminal device 101 may also be used. You will also be involved in configuring your environment when you change modes. When a change between the normal mode and the relay mode is requested, the environment setting unit 212 processes a setting necessary for the change.
  • the environment setting unit 212 moves after switching of the multi-mode portable terminal apparatus 10
  • the soft AP unit 220 the soft AP unit 220
  • the DHCP server unit 222 the wireless LAN authentication unit 223
  • the environment setting unit 212 is the soft AP unit 220, DHCP server unit 222, WLAN authentication unit 223, and The NAT function unit 221 functions to be installed or set.
  • the soft AP 220 is a functional block for providing a WLAN connection to the WLAN terminals 91, 92, and 93.
  • the soft AP 220 is operated according to the configuration of the environment setting unit 212 and performs protocol processing for control messages and data messages from the WLAN terminals 91, 92 and 93, and performs a WLAN authentication unit ( 223, a function block for performing protocol processing on control messages and data messages from the NAT function unit 221 and the DHCP server unit 222.
  • the soft AP 220 performs protocol processing through operations of the 802.11 physical layer and the 802.11MAC layer.
  • the WLAN authentication unit 223 is a block that performs an authentication function for restricting access of the WLAN terminals 91, 92, and 93.
  • the WLAN authentication unit 223 performs an authentication procedure according to a standard encryption authentication method such as WEP, WPA, WPA2, etc., and manages information of an authenticated terminal.
  • the DHCP server unit 223 is a functional block that provides an IP address for an IP address request of the WLAN terminals 91, 92, and 93.
  • the DHCP server unit 223 requests the wireless LAN authentication unit 223 to verify whether the terminal is an authenticated terminal according to the IP address request of the wireless LAN terminals 91, 92, and 93 and assigns the IP address only to the confirmed terminal. have.
  • the IP address allocated by the request of the wireless LAN terminals 91, 92, and 93 in the DHCP server unit 223 is used in the NAT function unit 221 to perform the portable Internet service relay function.
  • NAT function unit 221 is a functional block for converting the address of the data message transmitted between the portable Internet and the wireless LAN.
  • the NAT function unit 221 receives the IP address for the mobile Internet from the IP management unit 210, and receives the IP addresses for the authenticated WLAN terminals from the DHCP server unit 222.
  • the NAT function unit 221 converts an address in various ways. For example, when the NAT function unit 221 receives a data message from a mobile Internet network, the NAT function unit 221 checks the IP address and port of the received data message. Find and map the IP address and port of the WLAN terminal, and in the case of the data message received from the WLAN terminal, the IP address and port of the WLAN terminal are identified and mapped to the IP address and port for the portable Internet.
  • the VoIP unit 225 is used for a voice call when operated in the relay mode of the composite terminal device, and is connected to the external portable Internet network through the NAT function unit 221 or directly through the portable Internet client unit 213.
  • the composite terminal device can provide a voice call function while the composite terminal device performs a NAT relay function for the WLAN terminal.
  • the VPN client unit 224 is used for transmitting / receiving secure data when the NAT function unit 221 transmits data to or receives data from the portable Internet network.
  • the VPN client unit 224 performs a function of establishing a virtual private network using a protocol such as L2TP, PPTP, IPSec, or the like.
  • FIG. 6 is a diagram illustrating a software structure 250 when operating a routing function when operating in the relay mode in the software structure 200 or the composite terminal device 101 of the mobile access device 100.
  • FIG. 6 is a case where the routing unit 230 is set by the environment setting unit 212 in place of the NAT function unit 221 of FIG. 5, and establishes a routing table by the IP routing protocol, and the soft AP unit 220. Data messages from or data messages from the portable Internet network are forwarded by the established routing table.
  • the routing unit 230 processes static routing in a fixed form according to the configuration of the environment setting unit 212 and dynamic routing that reflects a variable network situation by a routing protocol, and the resulting routing table and data are generated. Forwarding table.
  • FIG. 7 is a diagram illustrating a process in which the multi-mode portable terminal device 10 is converted to the composite terminal device 101 and an operation process after the conversion to the composite terminal device 101 by the download method.
  • the portable terminal apparatus 10 or the composite terminal apparatus 101 first performs the necessary initialization step 301 (the portable terminal apparatus 10 may be referred to as before the necessary contents are downloaded and installed and set up). However, hereinafter, referred to as the "composite terminal device 101" for convenience). Thereafter, in step 302, it is determined whether the composite terminal device 101 is set to the relay mode, and if it is not set to the relay mode, operation is performed in the normal mode (305). On the other hand, if it is set to the relay mode, it is determined whether a required software block exists (303). If not, it is determined whether a content provider is providing content including the software block (304). If the content provider does not provide the content, the composite terminal apparatus 101 is allowed to operate in the normal mode (305) (which is strictly operated as the multi-mode portable terminal apparatus 10). On the other hand, if the content provider provides the content, the content is downloaded and set (306).
  • step 303 the operation of the relay mode is started (307).
  • step 308 the composite terminal device 101 combines the authentication information to broadcast a beacon signal including the SSID (Service Set ID), and receives a message of the WLAN client. If the received message is a control message (309), the control message processing subroutine 400 proceeds to the control message, and if it is not a control message to report as a data message NAT processing subroutine or routing processing subroutine ( Proceed to 500).
  • SSID Service Set ID
  • FIG. 8 is a diagram illustrating an operation process of the composite terminal device 101 when the composite terminal device 101 is produced from the beginning.
  • the software functional blocks of the present invention are mounted on a hardware platform for manufacturing a conventional multi-mode portable terminal device 10 having a wireless LAN client function and a portable Internet client function. All you have to do is.
  • steps 303, 304, and 306 are steps for downloading software blocks as compared to the processes of FIG. 7, and thus a detailed description thereof will be omitted.
  • FIG. 9 is a diagram illustrating a process of switching the multi-mode portable terminal device 10 to the mobile access device 100 by a download method and an operation process after switching to the mobile access device 101.
  • FIG. 11 is a diagram illustrating an operation process of the mobile access device 100 when the mobile access device 100 is produced from the beginning.
  • FIG. 9 is substantially the same when the process of determining whether the relay mode is set 302 is removed in comparison with FIG. 7.
  • the multi-mode portable terminal apparatus 10 or the mobile access apparatus 101 first performs the necessary initialization step 301 (before the required contents are downloaded, installed and set up, the multi-mode portable terminal apparatus 10 However, hereinafter referred to as a "mobile connection device 100" for convenience).
  • step 303 it is determined whether a required software block exists, and if it does not exist, it is determined whether a content provider is providing content including the software block (304). If the content provider does not provide the content, the content provider operates according to the function of the multi-mode portable terminal device 10 (305). On the other hand, if the content provider is providing the content, the corresponding content is downloaded and set necessary (306).
  • step 303 operation as the mobile access device 10 is started (307).
  • the mobile access device 101 broadcasts a beacon signal including a service set ID (SSID) by combining authentication information, and receives a message of a WLAN client. If the received message is a control message (309), the control message processing subroutine 400 proceeds to the control message, and if it is not a control message to report as a data message NAT processing subroutine or routing processing subroutine ( Proceed to 500).
  • SSID service set ID
  • FIG. 10 is a diagram illustrating an operation process of the mobile access device 100 when the mobile access device 100 is produced from the beginning.
  • the mobile access device 100 described in FIG. 10 is a case where software blocks necessary for operating as the mobile access device 100 are already mounted in the production process of the mobile access device 100, and thus, it is necessary to download the software blocks. none.
  • the software functional blocks of the present invention are mounted on a hardware platform for manufacturing a conventional multi-mode portable terminal device 10 having a wireless LAN client function and a portable Internet client function. All you have to do is.
  • FIG. 11 illustrates a control message processing subroutine 400 when using a NAT function unit.
  • step 403 Check the received message from the WLAN terminal (401), and check whether the received message is an IP address control message (402), if not the IP address control message proceeds to step 403.
  • the password is confirmed and an authentication procedure is performed (406). If the authentication message is not an authentication message, the received message is discarded (407).
  • the flow proceeds to step 404 to determine whether it is an IP address request. As a result of the determination, in the case of the IP address request, it is determined whether an IP address already allocated to the corresponding terminal exists (408). If there is no already assigned IP address, the new IP address is managed by combining with the MAC address of the link layer and the new IP is recorded in the NAT table (410).
  • FIG. 12 illustrates a NAT processing subroutine 500.
  • the source IP address is from the WLAN terminal (502), and if the source is the WLAN terminal, it is determined whether the destination is the external Internet network (503). If the destination is an external Internet network, it is determined whether the source IP address exists by checking the information registered in the NAT table (506). If the source IP address is found in the NAT table, the message is translated according to the NAT table. After reassembly and transmitting the message to the external portable Internet (510), the log is recorded (512). If the source IP address is not registered in the NAT table in step 506, the message is regarded as an unauthorized terminal message, and the message is discarded (507) and the log is recorded (512).
  • step 503 it is determined that the communication between the internal terminals to transmit to the corresponding wireless LAN terminal (504), and records the log (512).
  • step 505 determines whether the source is an external Internet network (505). If the source is an external Internet network, the process proceeds to step 508 to determine whether it exists in the NAT table (508). If the source exists in the NAT table, the message address is converted according to the translation information of the NAT table and the message is transmitted to the WLAN through reassembly. It will be transmitted (511). If the source is not the external Internet network in step 505 or does not exist in the NAT table in step 508, the data is discarded (509) and the log is recorded (512).
  • the present invention can produce a mobile access device or a device (composite terminal device) including the functions of a mobile access device by changing only a software on a hardware platform used in a conventional multi-mode mobile device, and the existing multi-mode mobile device
  • the present invention since the user can switch to a mobile access device or a device (multiple terminal device) including the functions of the mobile access device through content download, the present invention provides a device (multiple terminal) including the functions of the mobile access device or the mobile access device.
  • a device (multiple terminal) including the functions of the mobile access device or the mobile access device There is industrial applicability which makes it easy to obtain the device at a low cost.
  • the present invention can add the function of the mobile access device to the existing multi-mode portable terminal device only by changing the software, it is possible to easily implement a composite terminal device having both functions of the multi-mode portable terminal device and the mobile access device. No need to carry a multi-mode portable terminal and a mobile access device separately, and in addition to carrying a multi-mode mobile terminal for receiving telephone service or Internet service, the function of a mobile access device without carrying a separate device There is an industrial applicability that makes it possible to use them together.
  • the present invention can use the hardware, physical layer and link layer of the existing multi-mode portable terminal device as it is, development and authentication to commercialize the device (composite terminal device) including the function of the mobile connection device or mobile connection device There is industrial applicability that can drastically reduce the cost and time required for a system.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Small-Scale Networks (AREA)

Abstract

La présente invention concerne un point d'accès (AP) fournissant à des terminaux LAN sans fil (91, 92 et 93) un service d'accès vers un réseau Internet mobile par l'intermédiaire d'une réseau LAN sans fil, ou un dispositif terminal multifonction assurant les fonctions dudit point d'accès. Selon la présente invention, un point d'accès mobile (100) ou un dispositif terminal multifonction (101) est formé par mise en place des blocs fonctionnels logiciels nécessaires sur une plateforme matérielle pour la production d'un terminal portable multimode classique (10) assurant une fonction client de réseau LAN sans fil et une fonction client Internet mobile, ou par configuration ou installation des blocs fonctionnels logiciels nécessaires par téléchargement de contenu sur un terminal portable multimode classique (10) assurant une fonction client de réseau LAN sans fil et une fonction client Internet mobile. Par conséquent, le point d'accès mobile (100) ou le dispositif terminal multifonction (101) de la présente invention peut être facilement obtenu à bas coût, des utilisateurs peuvent transporter plus facilement un dispositif assurant les fonctions du point d'accès mobile (100), et des économies considérables en termes de temps et de coûts peuvent être réalisées, ce qui permet de répondre aux besoins de développement/d'approbation pour commercialiser le point d'accès mobile (100) ou le dispositif terminal multifonction (101).
PCT/KR2009/002470 2008-05-16 2009-05-11 Point d'accès mobile et dispositif terminal multifonction utilisant un terminal portable multimode assurant des fonctions de réseau lan sans fil et internet mobile WO2009139562A2 (fr)

Applications Claiming Priority (2)

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KR10-2008-0045334 2008-05-16
KR1020080045334A KR100876363B1 (ko) 2008-05-16 2008-05-16 무선랜 및 휴대 인터넷 기능을 가진 다중 모드휴대단말장치를 이용한 이동 접속 장치 및 복합 단말 장치

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