WO2010091615A1 - 接入网络的方法、系统及设备 - Google Patents

接入网络的方法、系统及设备 Download PDF

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Publication number
WO2010091615A1
WO2010091615A1 PCT/CN2010/070447 CN2010070447W WO2010091615A1 WO 2010091615 A1 WO2010091615 A1 WO 2010091615A1 CN 2010070447 W CN2010070447 W CN 2010070447W WO 2010091615 A1 WO2010091615 A1 WO 2010091615A1
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WO
WIPO (PCT)
Prior art keywords
network
module
type
network module
connection
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PCT/CN2010/070447
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English (en)
French (fr)
Inventor
常智
Original Assignee
华为终端有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为终端有限公司 filed Critical 华为终端有限公司
Priority to EP10740904.7A priority Critical patent/EP2387286B1/en
Publication of WO2010091615A1 publication Critical patent/WO2010091615A1/zh
Priority to US13/207,070 priority patent/US8867407B2/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/18Selecting a network or a communication service
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/06Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method, system, and device for accessing a network. Background technique
  • Existing wireless gateways such as wireless routers, usually use broadband technology or ADSL (Asymmetric Digital Subscriber Line) technology to access the uplink network in wired mode, using Ethernet or WLAN (Wireless Local Area Network, WLAN access to the downlink network, the wireless router provides DHCP (Dynamic Host Configuration Protocol), automatic allocation of private network IP (Internet Protocol) address, IP address NAT (Network Address Translation, network Features such as address translation) and network firewalls enable multi-user access to the network.
  • ADSL Asymmetric Digital Subscriber Line
  • WLAN Wireless Local Area Network
  • DHCP Dynamic Host Configuration Protocol
  • IP Internet Protocol
  • IP address NAT Network Address Translation
  • network firewalls enable multi-user access to the network.
  • 3G wireless routers based on 3G wireless technology
  • the internal 3G wireless routers are connected via USB (Universal Serial Bus,
  • a 3G wireless module is added to the interface of the PCMCIA (Personal Computer Memory Card International Association), and the 3G wireless module is wirelessly connected to the 3G network and implemented by the 3G network operator. Access to the upstream network.
  • the 3G wireless module can only support the single-standard 3G wireless access method.
  • the WCDMA wireless router includes the WCDMA wireless module, so it can only access the WCDMA network and cannot access the CDMA network or the TD-SCDMA network.
  • Multi-standard uplink access limits the application range of 3G wireless routers. When accessing 3G networks through different modes, different wireless routers are required, which increases the cost of uplink access.
  • the purpose of the embodiments of the present invention is to provide a method, system, and device for accessing a network to meet the requirements of a multi-standard access network and reduce the cost of uplink access to a 3G network.
  • the method for accessing a network includes:
  • a system for accessing a network comprising:
  • a network module for establishing a connection with a 3G network
  • a router configured to connect to the network module through a network interface, to identify a type of the network module by using the network interface, each type of network module corresponds to a 3G network; according to the type of the network module, Establishing a connection between the network module and a 3G network corresponding to the network module, and accessing the 3G network by using the network module.
  • a device for accessing a network comprising:
  • An identification unit configured to identify, by using a network interface, a type of a network module that is connected to the network interface, where each type of network module corresponds to a 3G network;
  • An access unit configured to access the 3G network by using the network module.
  • the type of the network module connected to the network interface is identified by using the network interface, and the network module and the 3G network corresponding to the network module are established according to the identification result. Connect and then access the 3G network through the network module.
  • the types of different network modules can be identified to access different types of 3G networks, so that multi-standard uplink access can be satisfied, and the router for accessing the 3G network should be expanded. The scope of use reduces the uplink access cost when it needs to access 3G networks of different standards.
  • FIG. 1 is a flowchart of a first embodiment of a method for accessing a network according to the present invention
  • FIG. 2 is a flowchart of a second embodiment of a method for accessing a network according to the present invention
  • FIG. 3 is a flowchart of a third embodiment of a method for accessing a network according to the present invention.
  • FIG. 4 is a schematic structural diagram of a router accessing a network according to an embodiment of the present invention.
  • FIG. 5 is a block diagram of an embodiment of a system for accessing a network according to the present invention.
  • FIG. 6 is a block diagram of a first embodiment of an apparatus for accessing a network according to the present invention.
  • FIG. 7 is a block diagram of a second embodiment of an apparatus for accessing a network according to the present invention.
  • An embodiment of the present invention provides a method, system, and device for accessing a network, where a network interface identifies a type of a network module that is connected to a network interface, and each type of network module corresponds to a type of 3G network, according to the type of the network module. Establishing a network module and a connection with a 3G network corresponding to the network module, and accessing the corresponding 3G network through the network module.
  • FIG. 1 The flow of the first embodiment of the method for accessing the network of the present invention is as shown in FIG. 1:
  • Step 101 Identify, by using a network interface, a type of a network module that is connected to the network interface.
  • Step 102 Establish a connection between the network module and the 3G network corresponding to the network module according to the type of the network module.
  • Step 103 Access the corresponding 3G network through the network module.
  • the network interface may be a USB interface, a PCMCIA interface, or a custom interface; the 3G network is one of an existing TD-SCDMA network, a WCDMA network, or a CDMA network.
  • FIG. 2 The flow of the second embodiment of the method for accessing the network of the present invention is shown in FIG. 2.
  • This embodiment shows in detail the process of the router identifying the type of the USB Modem (modem) through the USB interface and accessing the corresponding 3G network:
  • Step 201 The router pre-stores the correspondence between the type identifier of each USB Modem and the 3G network. Since different USB modems can access different 3G networks, the correspondence between different USB Modems and 3G networks can be saved in advance. The correspondence can be saved in the form of a table, as shown in Table 1 below:
  • Step 202 Read the type identifier of the connected USB Modem through the USB interface.
  • the USB interface of the router is the HOST (host) interface
  • the USB interface of the USB Modem is the DEVICE interface.
  • the router can read the DEVICE interface of the USB Modem through its HOST interface. Get the type identifier of the USB Modem.
  • Step 203 Find a corresponding relationship to obtain a 3G network corresponding to the type identifier of the USB Modem. According to the obtained USB Modem type identifier "2", the corresponding relationship shown in Table 1 is found, and the 3G network corresponding to the USB Modem can be obtained as the TD-SCDMA network.
  • Step 204 Configure the connection parameters of the USB Modem according to the type of the USB Modem.
  • the network parameters corresponding to the standard are stored.
  • the 3G network corresponding to the USB Modem is a TD-SCDMA network
  • the network parameters corresponding to the TD-SCDMA are pre-stored in the USB Modem, and the router passes
  • the USB interface receives the network parameters and performs parameter configuration before accessing the network according to the network parameters.
  • USB Modem connection parameters include parameters such as the user name and user password that need to be set before accessing the network.
  • Step 205 Connect the USB Modem and the corresponding 3G network through a PPP (Point-to-Point Protocol) link according to the connection parameters.
  • PPP Point-to-Point Protocol
  • Step 206 The router accesses the 3G network through the USB Modem and communicates with the 3G network. After the USB Modem and TD-SCDMA network are connected through the PPP link, a wireless channel is established between the USB Modem and the TD-SCDMA network, and the data of the 3G network side can be transmitted to the USB Modem through the wireless channel, and then by the USB The Modem is transmitted to the router via its USB interface.
  • steps 201 to 204 in the foregoing second embodiment show that the network module type is identified and the connection parameters are configured by pre-storing the correspondence between the type identifier of each type of network module and the 3G network.
  • the type of the network module may be identified as follows: After the router is connected to the USB Modem through the USB interface, the identification command may be sent to the USB Modem, and after receiving the identification command, the USB Modem receives the identification command.
  • the response command of the 3G network corresponding to the standard system is fed back to the router, and the router can recognize the 3G network corresponding to the USB Modem after receiving the response command; or, when the router is connected to the USB Modem through the USB interface, the USB Modem system is not recognized. Instead, it directly receives the network parameters of the USB Modem transmitted through the USB interface.
  • the traversal mode is adopted, that is, the USB Modem can be assumed to be the WCDMA standard, and the parameters are configured according to the type. If the configuration is successful, the connection is made to WCDMA. If the configuration is unsuccessful, configure the parameters according to the TD-SCDMA system. If the configuration is successful, connect to the TD-SCDMA network. If the configuration is unsuccessful, configure the parameters according to the CDMA system.
  • the above embodiments can access different types of 3G networks by identifying different types of network modules, so that the multi-standard uplink access can be satisfied, the application range of the router for accessing the 3G network is expanded, and the uplink access cost is reduced.
  • FIG. 3 shows an access handover process when the router can access the network through both wired and wireless modes:
  • Step 301 Pre-setting to access the 3G network through the network module as a preferred network connection, and accessing the network through the wired local area network as a backup network connection.
  • the router can connect to the 3G network wirelessly through the network module, and can also integrate the wired access mode through the LAN access network.
  • the preferred network connection when the 3G network is accessed through the network module for initial access may be set, and the backup network connection when the preferred network connection is unavailable is accessed through the wired local area network. It should be noted that the embodiment of the present invention does not limit the setting of the preferred network connection and the backup network connection, and can be flexibly set according to requirements in the actual application.
  • Step 302 Identify, by using a network interface, a type of a network module connected to the network interface.
  • Step 303 Establish a connection between the network module and the 3G network corresponding to the network module.
  • Step 304 Access the 3G network through a network module.
  • Step 305 Determine whether the current preferred network connection is unavailable. If yes, go to step 306; otherwise, return to step 304.
  • Step 306 Switch to the backup network connection and access the network through the wired LAN.
  • the above embodiments can not only access different types of network modules to access different types of 3G networks, but also satisfy multi-standard uplink access, reduce uplink access costs, and ensure network connection by setting a preferred network connection and backup network connection. Continuity and reliability.
  • FIG. 4 The schematic diagram of the structure of the router accessing the network in the embodiment of the present invention is shown in FIG. 4, the network interface in the router is a USB interface, and the corresponding network module is a USB Modem, so the router is a multi-standard USB Modem.
  • Wireless router the following describes the structure of the router and the process of accessing the network:
  • the router mainly includes two parts, a power module and a routing module, and is provided on the downlink channel.
  • WiFi Wireless Fidelity
  • AP Access Point
  • WiFi Wireless Fidelity
  • LAN Local Area Network
  • the power module adopts DC voltage 12V - 36V input, and the voltage of 3.3V, 2.5V, 1.8V and 5V of DC can be separately converted by the switching power supply circuit.
  • 3.3V is used to supply power to the routing module
  • 2.5V is used to supply power to the downstream LAN port
  • 1.8V is used to supply power to the WiFi AP
  • 5V is used to supply power to the USB HOST interface.
  • the routing module is a main part of the wireless router, and the routing module is divided into three layers according to a TCP/IP model, which in turn is a network layer, a data link layer, and a physical layer. At the same time, the routing module is divided into three channels according to the function of the router, which are respectively IEEE802.il wireless LAN channel, which is used to provide WiFi AP function for the router; IEEE802.3 wired LAN channel, for wired mode through WAN/LAN port Access network; PPP channel, used to provide a point-to-point data connection for the router to wirelessly access the 3G network through the connected USB Modem.
  • a TCP/IP model which in turn is a network layer, a data link layer, and a physical layer.
  • the routing module is divided into three channels according to the function of the router, which are respectively IEEE802.il wireless LAN channel, which is used to provide WiFi AP function for the router; IEEE802.3 wired LAN channel, for wired mode through WAN/LAN port Access network; PPP channel,
  • the router can identify the connected USB Modem system through its standard USB HOST interface. After setting the connection parameters of the USB Modem, use PPP to establish the connection between the USB Modem and the 3G network. And when accessing the INTERNETS connection through the 3G network, when data communication is performed, from INERNET The interface transmits the data to the PPP physical layer of the router. The data passes through the PPP data link layer until it is transmitted to the network layer. The network layer selects the route according to the IP and continues to downlink the data to the wired LAN or the wireless LAN. Regardless of the 3G network, the router recognizes the corresponding Modem through its network interface, and then accesses the 3G network, and then provides Internet access services to users through wireless.
  • the data is transmitted to the network layer through the IEEE802.3 physical layer and the IEEE802.3 data link layer.
  • the data is routed according to IP, and the data is further downlinked to the wired LAN or wireless LAN.
  • the transmission mode is the same as that of the widely used routers, and will not be described here.
  • the network interface of the router in the foregoing embodiment is not limited to the USB interface, and therefore the network module for accessing the 3G network is not limited to the USB Modem.
  • the network interface is the PCMCIA interface, it is used for
  • the network module that enters the 3G network is also a PCMCIA Modem.
  • the network interface is a custom interface, the corresponding Modem for accessing the 3G network has an interface that is adapted to the custom interface.
  • the present invention also provides an embodiment of a system and apparatus for accessing a network.
  • FIG. 5 A block diagram of an embodiment of a system for accessing a network of the present invention is shown in FIG. 5, the system comprising: a network module 510 and a router 520.
  • the network module 510 is configured to establish a connection with the 3G network; the router 520 is connected to the network module 510 through a network interface, and is used to identify the type of the network module 510 by using the network interface, and each type of network module 510 Corresponding to a 3G network; according to the type of the network module 510, establishing a connection between the network module 510 and a 3G network corresponding to the network module 510, and accessing the 3G network through the network module 510.
  • the router 520 can also be used to pre-store the correspondence between the type identifier of each network module 510 and the 3G network. After the network interface of the router 520 accesses the network module 510, the router 520 reads through the network interface. The type of the network module 510 is identified, and the corresponding relationship is searched for the 3G network corresponding to the type identifier.
  • the router 520 may be further configured to preset to access the 3G network through the network module 510 as a preferred network connection, and access the network through a wired local area network as a backup network connection, when Preferably, when the network connection is unavailable, the router 520 switches to the backup network connection and accesses the network through the wired office i or the network.
  • FIG. 6 A block diagram of a first embodiment of a device for accessing a network of the present invention is shown in FIG. 6.
  • the device includes: an identification unit 610, an establishing unit 620, and an access unit 630.
  • the identifying unit 610 is configured to identify, by using a network interface, a type of the network module that is connected to the network interface, where each type of network module corresponds to a type of 3G network, and the establishing unit 620 is configured to establish according to the type of the network module.
  • the network module is connected to the 3G network corresponding to the network module; the access unit 630 is configured to access the 3G network by using the network module.
  • FIG. 7 A block diagram of a second embodiment of the device for accessing the network of the present invention is shown in FIG. 7.
  • the device includes: a storage unit 710, a preset unit 720, an identification unit 730, an establishing unit 740, an access unit 750, and a switching unit 760.
  • the saving unit 710 is configured to pre-store the correspondence between the type identifier of each type of network module and the 3G network, and the preset unit 720 is configured to preset the network connection that accesses the 3G network through the network module as
  • the network connection is a network connection of the wired network access network to the backup network connection
  • the identification unit 730 is configured to identify, by using the network interface, the type of the network module connected to the network interface, each type of network module corresponds to a type of 3G
  • the establishing unit 740 is configured to establish, according to the type of the network module, a connection between the network module and a 3G network corresponding to the network module, and the access unit 750 is configured to access the 3G network by using the network module.
  • the switching unit 760 is configured to switch to the backup network connection according to the setting of the preset unit 720 when the preferred network connection is unavailable, and access the network through the wired local area network.
  • the identification unit 730 may include (not shown in FIG. 7): a reading unit, configured to read a type identifier of the network module by using the network interface; and a searching unit, configured to search for the saved in the saving unit The corresponding relationship acquires a 3G network corresponding to the type identifier.
  • the identification unit 730 may also include (not shown in FIG. 7): a sending unit, configured to send an identification command to the network module, and a receiving unit, configured to receive, by the network module, the feedback according to the identification command
  • the network module corresponds to a response command of the system; and the determining module is configured to determine, according to a format in the response command, a 3G network corresponding to the network module.
  • the identification unit 730 may also include (not shown in FIG. 7): a receiving unit, configured to receive network parameters transmitted by the network module, and a traversing unit, configured to traverse pre-stored 3G network classes
  • the network parameter is configured according to each type of the 3G network.
  • the determining unit is configured to determine that the 3G network type when the network parameter configuration is successful is the 3G network corresponding to the network module.
  • the establishing unit 740 may include: (not shown in FIG. 7): a configuration unit, configured to configure connection parameters of the network module according to a type of the network module; and a connection unit, configured to pass according to the connection parameter
  • the PPP link connects the network module and the corresponding 3G network.
  • the type of the network module connected to the network interface is identified through the network interface, and the connection between the network module and the 3G network corresponding to the network module is established according to the identification result, and then passed.
  • the network module accesses the 3G network.
  • the type of the different network modules can be used to access different types of 3G networks, so that the multi-standard uplink access can be satisfied, and the application range of the router for accessing the 3G network is expanded. When entering 3G networks of different standards, the uplink access cost is reduced.
  • the method includes the following steps: identifying, by using a network interface, a type of a network module that is connected to the network interface, each of the network modules corresponding to a type of 3G network; establishing the network module and a 3G corresponding to the network module a connection of the network; accessing the 3G network through the network module.
  • the storage medium is, for example, a ROM/RAM, a magnetic disk, an optical disk, or the like.

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Abstract

一种接入网络的方法、 系统及设备, 所述方法包括: 通过网络接口识别与所述网络接口连接的网络模块的类型, 每一类型的网络模块对应于一种3G网络;根据所述网络模块的类型,建立所述网络模块和与所述网络模块对应的3G网络的连接;通过所述网络模块接入所述对应的3G网络。由于本发明可以通过识别不同网络模块的类型以接入不同制式的3G网络, 因此可以满足多制式的上行接入,扩大了用于接入3G网络的路由器的应用范围,在需要接入不同制式的3G网络时,降低了上行接入成本。

Description

接入网络的方法、 系统及设备
本申请要求于 2009 年 2 月 10 日提交中国专利局、 申请号为 200910005664.6、 发明名称为"接入网络的方法、 系统及设备"的中国专利申请 的优先权, 其全部内容通过引用结合在本申请中。
技术领域
本发明涉及通信技术领域, 特别涉及一种接入网络的方法、 系统及设备。 背景技术
现有比较常见的无线网关, 如无线路由器, 通常采用宽带技术或 ADSL ( Asymmetric Digital Subscriber Line, 非对称用户数字电路 )技术等有线方式 接入上行网络, 采用以太网或 WLAN ( Wireless Local Area Network, 无线局 域网 )接入下行网络, 无线路由器提供 DHCP ( Dynamic Host Configuration Protocol, 动态主机配置协议)月良务、 自动分配私网 IP ( Internet Protocol, 互 联网协议 )地址、 IP地址 NAT ( Network Address Translation , 网络地址转换 ) 和网络防火墙等功能, 以此实现多用户接入网络。
随着无线通信技术的发展, 在 3G网络发达的地区, 可以采用基于 3G无 线技术的无线路由器(筒称 3G无线路由器) 以无线方式接入网络, 3G无线 路由器的内部通过 USB ( Universal Serial Bus, 通用串行总线)接口、 PCMCIA ( Personal Computer Memory Card International Association,个人计算机存储卡 国际协会)接口等添加 3G无线模块, 通过该 3G无线模块采用无线方式接入 3G网络, 并通过 3G网络运营商实现接入上行网络。
发明人在对现有 3G无线路由器的研究过程中发现, 在同一地区, 可能覆 盖不同制式的 3G 网络, 例如, WCDMA ( Wideband Code Division Multiple Access, 宽带码分多址)、 CDMA ( Wideband Code Division Multiple Access, 码分多址 )和 TD-SCDMA ( Time Division-Synchronous Code Division Multiple Access, 时分同步码分多址), 而现有 3G无线路由器虽然可以实现上行无线接 入网络, 但是由于 3G无线路由器内的 3G无线模块只能支持单一制式的 3G 无线接入方式, 例如, WCDMA无线路由器内包含 WCDMA无线模块, 因此 只能接入 WCDMA网络, 而无法接入 CDMA网络或 TD-SCDMA网络。 由此 可知, 由于现有 3G无线路由器仅能支持单一制式的 3G网络, 因此无法满足 多制式上行接入, 限制了 3G无线路由器的应用范围, 在需要通过不同制式接 入 3G网络时, 需要不同的无线路由器, 增加了上行接入的成本。
发明内容
本发明实施例的目的在于提供一种接入网络的方法、 系统及设备, 以满足 多制式接入网络的需求, 降低上行接入 3G网络的成本。
为实现本发明实施例的目的, 本发明实施例提供如下技术方案: 一种接入网络的方法, 包括:
通过网络接口识别与所述网络接口连接的网络模块的类型,每一类型的网 络模块对应于一种 3G网络;
根据所述网络模块的类型, 建立所述网络模块和与所述网络模块对应的
3G网络的连接;
通过所述网络模块接入所述对应的 3G网络。
一种接入网络的系统, 包括:
网络模块, 用于建立与 3G网络的连接;
路由器, 用于通过网络接口与所述网络模块连接, 用于通过所述网络接口 识别所述网络模块的类型, 每一类型的网络模块对应于一种 3G网络; 根据所 述网络模块的类型, 建立所述网络模块和与所述网络模块对应的 3G网络的连 接, 通过所述网络模块接入所述 3G网络。
一种接入网络的设备, 包括:
识别单元, 用于通过网络接口识别与所述网络接口连接的网络模块的类 型, 每一类型的网络模块对应于一种 3G网络;
建立单元, 用于才艮据所述网络模块的类型, 建立所述网络模块和与所述网 络模块对应的 3G网络的连接;
接入单元, 用于通过所述网络模块接入所述 3G网络。
由以上本发明实施例提供的技术方案可见,本发明实施例中通过网络接口 识别与网络接口连接的网络模块的类型,根据识别结果建立所述网络模块和与 所述网络模块对应的 3G网络的连接, 然后通过网络模块接入 3G网络。 由于 本发明实施例中可以通过识别不同网络模块的类型以接入不同制式的 3G 网 络, 因此可以满足多制式的上行接入, 扩大了用于接入 3G网络的路由器的应 用范围, 在需要接入不同制式的 3G网络时, 降低了上行接入成本。 附图说明
图 1为本发明接入网络的方法的第一实施例流程图;
图 2为本发明接入网络的方法的第二实施例流程图;
图 3为本发明接入网络的方法的第三实施例流程图;
图 4为本发明实施例中接入网络的路由器的结构示意图;
图 5为本发明接入网络的系统的实施例框图;
图 6为本发明接入网络的设备的第一实施例框图;
图 7为本发明接入网络的设备的第二实施例框图。
具体实施方式
本发明实施例提供了一种接入网络的方法、 系统及设备,通过网络接口识 别与网络接口连接的网络模块的类型, 每一类型的网络模块对应于一种 3G网 络,根据网络模块的类型,建立网络模块和与网络模块对应的 3G网络的连接, 通过网络模块接入对应的 3G网络。
为了使本技术领域的人员更好地理解本发明方案, 并使本发明的上述目 的、特征和优点能够更加明显易懂, 下面结合附图和具体实施方式对本发明作 进一步详细的说明。
本发明接入网络的方法的第一实施例流程如图 1所示:
步骤 101: 通过网络接口识别与该网络接口连接的网络模块的类型。
步骤 102: 根据所述网络模块的类型, 建立网络模块和与该网络模块对应 的 3G网络的连接。
步骤 103: 通过网络模块接入对应的 3G网络。
其中, 网络接口可以为 USB接口、 PCMCIA接口、 或自定义接口; 3G网 络为现有的 TD-SCDMA网络、 WCDMA网络或 CDMA网络中的一种。
本发明接入网络的方法的第二实施例流程如图 2所示,该实施例详细示出 了路由器通过 USB接口识别 USB Modem (调制解调器)的类型, 并接入对应 3G网络的过程:
步骤 201: 路由器预先保存每一种 USB Modem的类型标识与 3G网络之 间的对应关系。 由于不同的 USB Modem可以接入不同的 3G网络, 因此可以预先保存不 同的 USB Modem与 3G网络的对应关系, 该对应关系可以以表的形式保存, 如下表 1所示:
表 1
Figure imgf000006_0001
步骤 202: 通过 USB接口读取连接的 USB Modem的类型标识。
当路由器的 USB接口上连接了 USB Modem后, 路由器的 USB接口为 HOST (主机)接口, USB Modem的 USB接口为 DEVICE (设备)接口, 路 由器通过其 HOST接口可以读取 USB Modem的 DEVICE接口,以获取该 USB Modem的类型标识。
本实施例中假设读取到的 USB Modem的类型标识为 "2"。
步骤 203: 查找对应关系获取与 USB Modem的类型标识对应的 3G网络。 根据获取到的 USB Modem的类型标识 "2"查找如表 1所示的对应关系, 可以得到该 USB Modem对应的 3G网络为 TD-SCDMA网络。
步骤 204: 根据 USB Modem的类型配置 USB Modem的连接参数。
在不同制式的 USB Modem中, 存储有与其制式对应的网络参数, 例如, 假设 USB Modem对应的 3G网络为 TD-SCDMA网络,则在 USB Modem中预 先存储有对应 TD-SCDMA的网络参数, 路由器通过 USB接口接收所述网络 参数并根据这些网络参数进行接入网络前的参数配置。
USB Modem的连接参数除了上述网络参数外, 还包括接入网络前需要设 置的用户名称和用户密码等参数。
步骤 205: 按照连接参数通过 PPP ( Point-to-Point Protocol, 点对点协议) 链路连接 USB Modem和对应的 3G网络。
步骤 206: 路由器通过 USB Modem接入 3G网络并与 3G网络进行通信。 当通过 PPP链路连接了 USB Modem和 TD-SCDMA 网络后, 在 USB Modem和 TD-SCDMA网络之间建立了无线通道, 通过该无线通道可以将 3G 网络侧的数据传输到 USB Modem,再由 USB Modem通过其 USB接口传输到 路由器。 需要说明的是,上述第二实施例中步骤 201至步骤 204示出了通过预先存 储每一类型的网络模块的类型标识与 3G网络的对应关系, 来识别网络模块类 型并配置连接参数。 但是, 除了采用上述存储对应关系的方式, 还可以采用如 下方式识别网络模块的类型: 当路由器通过 USB接口与 USB Modem连接后, 可以向 USB Modem发送识别命令, USB Modem接收到该识别命令后, 向路 由器反馈包含对应制式的 3G网络的响应命令, 路由器接收到该响应命令后即 可识别出 USB Modem对应的 3G网络;或者, 当路由器通过 USB接口与 USB Modem连接后, 不识别 USB Modem的制式, 而是直接接收通过 USB接口传 输的 USB Modem的网络参数, 在配置网络参数时, 采用遍历方式, 即可以首 先假设 USB Modem为 WCDMA制式, 按照该类型进行参数配置, 如果配置 成功则连接到 WCDMA网络, 如果配置不成功, 再按照 TD-SCDMA制式进 行参数配置, 如果配置成功, 则连接到 TD-SCDMA网络, 如果配置不成功, 再按照 CDMA制式进行参数配置。
上述实施例通过识别不同网络模块的类型以接入不同制式的 3G网络, 因 此可以满足多制式的上行接入,扩大了用于接入 3G网络的路由器的应用范围, 降低了上行接入成本。
本发明接入网络的方法的第三实施例流程如图 3所示,该实施例示出了路 由器可以同时通过有线方式和无线方式接入网络时的接入切换过程:
步骤 301: 预先设置通过网络模块接入 3G网络为优选网络连接, 通过有 线局域网接入网络为备份网络连接。
为了保证网络连接的可靠性,路由器除了可以通过网络模块以无线方式接 入 3G网络外, 还可以集成通过局域网接入网络的有线接入方式。
其中,可以设置通过网络模块接入 3G网络为初始接入时的优选网络连接, 而通过有线局域网接入为在优选网络连接不可用时的备份网络连接。需要说明 的是, 本发明实施例并不对优选网络连接和备份网络连接的设置进行限制, 实 际应用中可以根据需要灵活设置。
步骤 302: 通过网络接口识别与该网络接口连接的网络模块的类型。
步骤 303: 建立网络模块和与该网络模块对应的 3G网络的连接。
步骤 304: 通过网络模块接入该 3G网络。 步骤 305: 判断当前优选网络连接是否不可用, 若是, 则执行步骤 306; 否则, 返回步骤 304。
步骤 306: 切换到备份网络连接, 通过有线局域网接入网络。
上述实施例不但可以通过识别不同网络模块的类型以接入不同制式的 3G 网络, 满足多制式的上行接入, 降低上行接入成本, 而且通过设置优选网络连 接和备份网络连接, 保证了网络连接的连续性和可靠性。
本发明实施例中接入网络的路由器的结构示意图如图 4所示,该路由器中 的网络接口为 USB接口,相应的网络模块为 USB Modem, 因此该路由器为一 种适配多制式 USB Modem的无线路由器, 下面对该路由器的结构和接入网络 的过程进行描述:
该路由器内部主要包括电源模块和路由模块两部分,在下行通道上,提供
WiFi (无线保真) AP ( Access Point, 接入点), 形成无线局域网, 同时提供 LAN ( Local Area Network, 局域网) 口, 以连接有线局域网; 在上行通道上, 提供与传统路由器相同的 WAN (广域网) 口, 同时为适配不同制式的 USB Modem, 提供标准的 USB HOST接口以实现与 USB Modem的串行通信。
其中, 电源模块采用直流电压 12V - 36V输入, 通过开关电源电路可以分 别变换出直流 3.3V、 2.5V、 1.8V和 5V的电压。 其中, 3.3V电压用于为路由 模块供电, 2.5V电压用于为下行 LAN口供电, 1.8V电压用于为 WiFi AP供电, 5V电压用于为 USB HOST接口供电。
其中, 路由模块为该无线路由器的主体部分, 该路由模块根据 TCP/IP模 型分为三层, 依次为网络层、 数据链路层和物理层。 同时, 该路由模块按照路 由器的功能分为三条通道, 分别为 IEEE802.il无线局域网通道, 用于为路由 器提供 WiFi AP功能; IEEE802.3有线局域网通道, 用于通过 WAN/LAN口, 以有线方式接入网络; PPP通道, 用于为路由器提供点对点的数据连接, 以通 过连接的 USB Modem采用无线方式接入 3G网络。
当路由器采用 USB Modem连接 INTERNET (互联网 )时, 路由器可以通 过自身的标准 USB HOST接口识别所连接的 USB Modem的制式, 在设置好 USB Modem的连接参数后, 使用 PPP建立 USB Modem与 3G网络的连接, 并通过 3G网络接入 INTERNETS 连接后在进行数据通信时, 来自 INERNET 接口将数据传输至路由器的 PPP物理层, 该数据经过 PPP数据链路层直至传 输到网络层, 在网络层根据 IP选择路由, 继续将数据下行传送到有线局域网 或者无线局域网。 无论何种 3G 网络, 路由器都通过其网络接口识别相应的 Modem, 然后接入该 3G网络后, 即可通过无线方式为用户提供上网服务。
当路由器使用 WAN/LAN口连接 INTERNET时, 数据通过 IEEE802.3物 理层和 IEEE802.3数据链路层传输到网络层, 在网络层根据 IP选择路由, 继 续将数据下行传送到有线局域网或者无线局域网,该传输方式与现有广泛使用 的路由器的传输方式一致, 在此不再赘述。
需要说明的是,上述实施例中的路由器的网络接口并不局限于 USB接口, 因此用于接入 3G 网络的网络模块也不局限于 USB Modem, 当网络接口为 PCMCIA接口时, 则用于接入 3G网络的网络模块也相应为 PCMCIA Modem, 当网络接口为自定义接口时, 只要对应的用于接入 3G网络的 Modem具有与 该自定义接口适配的接口即可。
与本发明接入网路的方法实施例相对应,本发明还提供了接入网络的系统 和设备的实施例。
本发明接入网络的系统的实施例框图如图 5所示, 该系统包括: 网络模块 510和路由器 520。
其中, 网络模块 510用于建立与 3G网络的连接; 路由器 520通过网络接 口与所述网络模块 510连接, 用于通过所述网络接口识别所述网络模块 510 的类型,每一类型的网络模块 510对应于一种 3G网络;根据所述网络模块 510 的类型,建立所述网络模块 510和与所述网络模块 510对应的 3G网络的连接, 通过所述网络模块 510接入所述 3G网络。
进一步,路由器 520还可以用于预先保存每一种网络模块 510的类型标识 与 3G网络之间的对应关系, 当路由器 520的网络接口接入网络模块 510后, 路由器 520通过所述网络接口读取所述网络模块 510的类型标识,并查找所述 对应关系获取与所述类型标识对应的 3G网络。
进一步,路由器 520还可以用于预先设置通过所述网络模块 510接入所述 3G网络为优选网络连接, 通过有线局域网接入网络为备份网络连接, 当所述 优选网络连接不可用时,路由器 520切换到所述备份网络连接,通过所述有线 局 i或网接入网络。
本发明接入网络的设备的第一实施例框图如图 6所示, 该设备包括: 识别 单元 610、 建立单元 620和接入单元 630。
其中,识别单元 610用于通过网络接口识别与所述网络接口连接的网络模 块的类型, 每一类型的网络模块对应于一种 3G网络; 建立单元 620用于根据 所述网络模块的类型, 建立所述网络模块和与所述网络模块对应的 3G网络的 连接; 接入单元 630用于通过所述网络模块接入所述 3G网络。
本发明接入网络的设备的第二实施例框图如图 7所示, 该设备包括: 保存 单元 710、 预设单元 720、 识别单元 730、 建立单元 740、 接入单元 750和切换 单元 760。
其中, 保存单元 710用于预先保存每一类型的网络模块的类型标识与 3G 网络之间的对应关系;预设单元 720用于预先设置通过所述网络模块接入所述 3G网络的网络连接为优选网络连接, 通过有线局域网接入网络的网络连接为 备份网络连接;识别单元 730用于通过网络接口识别与所述网络接口连接的网 络模块的类型, 每一类型的网络模块对应于一种 3G网络; 建立单元 740用于 根据所述网络模块的类型, 建立所述网络模块和与所述网络模块对应的 3G网 络的连接; 接入单元 750用于通过所述网络模块接入所述 3G网络; 切换单元 760用于当所述优选网络连接不可用时, 根据所述预设单元 720的设置, 切换 到所述备份网络连接, 通过所述有线局域网接入网络。
具体的, 识别单元 730可以包括(图 7中未示出): 读取单元, 用于通过 所述网络接口读取所述网络模块的类型标识; 查找单元,用于查找所述保存单 元中保存的对应关系获取与所述类型标识对应的 3G网络。
具体的, 识别单元 730也可以包括(图 7中未示出): 发送单元, 用于向 所述网络模块发送识别命令;接收单元, 用于接收所述网络模块根据所述识别 命令反馈的包含所述网络模块对应制式的响应命令; 确定模块, 用于根据所述 响应命令中的制式确定所述网络模块对应的 3G网络。
具体的, 识别单元 730也可以包括(图 7中未示出): 接收单元, 用于接 收所述网络模块传输的网络参数; 遍历单元, 用于遍历预先存储的 3G网络类 型, 按照每一种 3G网络类型对所述网络参数进行配置; 确定单元, 用于确定 所述网络参数配置成功时的 3G网络类型为所述网络模块对应的 3G网络。
具体的, 建立单元 740可以包括(图 7中未示出): 配置单元, 用于根据 所述网络模块的类型, 配置所述网络模块的连接参数; 连接单元, 用于按照所 述连接参数通过 PPP链路连接所述网络模块和对应的 3G网络。
通过本发明实施例的描述可知,本发明实施例中通过网络接口识别与网络 接口连接的网络模块的类型,根据识别结果建立述网络模块和与所述网络模块 对应的 3G网络的连接, 然后通过网络模块接入 3G网络。 由于本发明实施例 中可以通过识别不同网络模块的类型以接入不同制式的 3G网络, 因此可以满 足多制式的上行接入, 扩大了用于接入 3G网络的路由器的应用范围, 在需要 接入不同制式的 3G网络时, 降低了上行接入成本。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分步骤 是可以通过程序来指令相关的硬件来完成,所述的程序可以存储于一计算机可 读取存储介质中, 该程序在执行时, 包括如下步骤: 通过网络接口识别与所述 网络接口连接的网络模块的类型, 每一种所述网络模块对应于一种 3G网络; 建立所述网络模块和与所述网络模块对应的 3G网络的连接; 通过所述网络模 块接入所述 3G网络。 所述的存储介质, 如: ROM/RAM、 磁碟、 光盘等。 虽然通过实施例描绘了本发明, 本领域普通技术人员知道, 本发明有许多变形 和变化而不脱离本发明的精神,希望所附的权利要求包括这些变形和变化而不 脱离本发明的精神。

Claims

权 利 要 求
1、 一种接入网络的方法, 其特征在于, 包括:
通过网络接口识别与所述网络接口连接的网络模块的类型,每一类型的网 络模块对应于一种 3G网络;
根据所述网络模块的类型, 建立所述网络模块和与所述网络模块对应的
3G网络的连接;
通过所述网络模块接入所述对应的 3G网络。
2、 根据权利要求 1所述的方法, 其特征在于, 所述通过网络接口识别与 所述网络接口连接的网络模块的类型包括:
通过所述网络接口读取所述网络模块的类型标识;
查找预先存储的每一类型的网络模块的类型标识与 3G网络的对应关系, 获取与所述读取的网络模块的类型标识对应的 3G网络。
3、 根据权利要求 1所述的方法, 其特征在于, 所述通过网络接口识别与 所述网络接口连接的网络模块的类型包括:
向所述网络模块发送识别命令;
接收所述网络模块根据所述识别命令反馈的包含所述网络模块对应制式 的响应命令;
根据所述响应命令中的制式确定所述网络模块对应的 3G网络。
4、 根据权利要求 1所述的方法, 其特征在于, 所述通过网络接口识别与 所述网络接口连接的网络模块的类型包括:
接收所述网络模块传输的网络参数;
遍历预先存储的 3G网络类型, 按照每一种 3G网络类型对所述网络参数 进行配置;
确定所述网络参数配置成功时的 3G网络类型为所述网络模块对应的 3G 网络。
5、 根据权利要求 1所述的方法, 其特征在于, 所述根据所述网络模块的 类型, 建立网络模块和与所述网络模块对应的 3G网络的连接包括:
根据所述网络模块的类型, 配置所述网络模块的连接参数;
按照所述连接参数通过点对点协议 PPP链路连接所述网络模块和与所述 网络模块对应的 3G网络。
6、 根据权利要求 1所述的方法, 其特征在于, 还包括:
预先设置通过网络模块接入 3G网络的网络连接为优选网络连接, 通过有 线局域网接入网络的网络连接为备份网络连接;
所述通过所述网络模块接入所述 3G网络后还包括:
当所述优选网络连接不可用时,切换到所述备份网络连接,通过所述有线 局 i或网接入网络。
7、 根据权利要求 1所述的方法, 其特征在于, 所述网络接口包括: 通用 串行总线 USB接口、 个人计算机存储卡国际协会 PCMCIA接口、 或自定义接 口;
所述 3G网络包括: 时分同步码分多址 TD-SCDMA网络、 宽带码分多址 WCDMA网络或码分多址 CDMA网络。
8、 一种接入网络的系统, 其特征在于, 包括:
网络模块, 用于建立与 3G网络的连接;
路由器,通过网络接口与所述网络模块连接, 用于通过所述网络接口识别 所述网络模块的类型, 每一类型的网络模块对应于一种 3G网络; 根据所述网 络模块的类型, 建立所述网络模块和与所述网络模块对应的 3G网络的连接, 通过所述网络模块接入所述 3G网络。
9、 一种接入网络的设备, 其特征在于, 包括:
识别单元, 用于通过网络接口识别与所述网络接口连接的网络模块的类 型, 每一类型的网络模块对应于一种 3G网络;
建立单元, 用于才艮据所述网络模块的类型, 建立所述网络模块和与所述网 络模块对应的 3G网络的连接;
接入单元, 用于通过所述网络模块接入所述 3G网络。
10、 根据权利要求 9所述的设备, 其特征在于, 还包括:
保存单元, 用于预先保存每一类型的网络模块的类型标识与 3G网络之间 的对应关系;
所述识别单元包括:
读取单元, 用于通过所述网络接口读取所述网络模块的类型标识; 查找单元,用于查找所述保存单元中保存的对应关系获取与所述读取的网 络模块的类型标识对应的 3G网络。
11、 根据权利要求 9所述的设备, 其特征在于, 所述识别单元包括: 发送单元, 用于向所述网络模块发送识别命令;
接收单元,用于接收所述网络模块根据所述识别命令反馈的包含所述网络 模块对应制式的响应命令;
确定模块, 用于根据所述响应命令中的制式确定所述网络模块对应的 3G 网络。
12、 根据权利要求 9所述的设备, 其特征在于, 所述识别单元包括: 接收单元, 用于接收所述网络模块传输的网络参数;
遍历单元, 用于遍历预先存储的 3G网络类型, 按照每一种 3G网络类型 对所述网络参数进行配置;
确定单元, 用于确定所述网络参数配置成功时的 3G网络类型为所述网络 模块对应的 3G网络。
13、 根据权利要求 9所述的设备, 其特征在于, 所述建立单元包括: 配置单元,用于根据所述网络模块的类型,配置所述网络模块的连接参数; 连接单元, 用于按照所述连接参数通过 ΡΡΡ链路连接所述网络模块和与 所述网络模块对应的 3G网络。
14、 根据权利要求 9所述的设备, 其特征在于, 还包括:
预设单元, 用于预先设置通过网络模块接入 3G网络的网络连接为优选网 络连接, 通过有线局域网接入网络的网络连接为备份网络连接;
切换单元,用于当所述优选网络连接不可用时,根据所述预设单元的设置, 切换到所述备份网络连接, 通过所述有线局域网接入网络。
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