CN102946434A - Communication method of wireless local area network (WLAN) - Google Patents
Communication method of wireless local area network (WLAN) Download PDFInfo
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- CN102946434A CN102946434A CN2012104797004A CN201210479700A CN102946434A CN 102946434 A CN102946434 A CN 102946434A CN 2012104797004 A CN2012104797004 A CN 2012104797004A CN 201210479700 A CN201210479700 A CN 201210479700A CN 102946434 A CN102946434 A CN 102946434A
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Abstract
The invention discloses a communication method of a WLAN. The method comprises that a user device sends network access requests to a wireless router; N time division-synchronization code division multiple access (TD-SCDMA) modules are configured in the wireless router, N being larger than or equal to 2; the wireless router selects a TD-SCDMA module with least resource loads to provide bandwidth resources for the network access requests through a load balance operation according to resource load conditions of the N TD-SCDMA modules; and the TD-SCDMA modules with least resource loads transmit the network access requests to a destination address server to be accessed, and network access responses returned by the destination address server are transmitted to the user equipment. By means of an embodiment of the communication method of the WLAN, uplink and downlink speeds of the WLAN can be increased, and charging to accessed users is supported.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of communication means of WLAN (wireless local area network).
Background technology
Along with 3G(3rd-generation, the 3G (Third Generation) Moblie technology) development of the intelligent terminals such as network, smart mobile phone, panel computer, Social Informatization Level improves constantly, for WLAN(Wireless Local Area Networks, WLAN) competition that covers public transport is more and more fierce.
For promoting TD-SCDMA(Time Division-Synchronous Code Division Multiple Access, TD SDMA) and the broadband of WLAN merge, make up the immanent Radio Access Network of three-dimensional that 2G covers comprehensively, the 3G hot-zone covers, the WLAN focus covers, emphasis solves the demand of data service, realize effectively shunting, each move supplier just planned, in steps, the construction of emphasis ground promotion wlan network arranged.
For day by day fierce WLAN service competition, 3G appearred at present on the market turned the wireless routing device of WLAN large quantities of.The 3G wireless router can realize that the multi-user uses a rate card to share online, and the 3G wireless router has been realized the WIFI function, as long as the terminal equipments such as mobile phone, computer have wireless network card or band wifi function, just can by 3G wireless router access Internet, share the 3G wireless network great convenience is provided for realizing WLAN (wireless local area network).Part 3G wireless router has also disposed the cable broadband interface, without 3G also normal accessing Internet.By the 3G wireless router, can realize broadband connection, meet or exceed current ADSL(Asymmetric Digital Subscriber Line, ADSL (Asymmetric Digital Subscriber Line)) the network bandwidth, in the application such as office and travelling, become very extensive.
But existing 3G wireless router is only supported dialling up on the telephone of a TD-SCDMA rate card, and TD-SCDMA rate card only provides the download bandwidth of 2.8Mbps, and the network bandwidth is low.And, can not access the mobile user of portal website and authenticate, do not support the charging to access user.
Summary of the invention
The embodiment of the invention proposes a kind of communication means of WLAN (wireless local area network), can improve the up-downgoing speed of wlan network, and supports the charging to access user.
The embodiment of the invention provides a kind of communication means of WLAN (wireless local area network), comprising:
S1, subscriber equipment send HTML (Hypertext Markup Language) http request to wireless routing device, obtain the Portal certification page redirect that certificate server returns and reply; Dispose N TD-SCDMA module in the described wireless routing device, N 〉=2;
S2, described subscriber equipment send the http logging request to described wireless routing device, and described http logging request is forwarded to described certificate server via gateway server, by described certificate server described http logging request is authenticated; After authentication was passed through, described certificate server carried out charging to the business of networking of described subscriber equipment;
S3, described subscriber equipment send network access request to described wireless routing device; Described wireless routing device selects a minimum TD-SCDMA module of resource load to provide bandwidth resources for described network access request according to the resource load situation of described N TD-SCDMA module by the load balancing computing; The minimum TD-SCDMA module of described resource load is forwarded to the destination address server that will access with described network access request, and the access to netwoks that described destination address server returns replied sends described subscriber equipment to;
S4, described subscriber equipment send the request of http off-line to described wireless routing device, and the request of described http off-line is forwarded to described certificate server via described gateway server, and described certificate server stops the business of networking of described subscriber equipment is carried out charging.
The communication means of the WLAN (wireless local area network) that the embodiment of the invention provides, adopt at least two TD-SCDMA modules to carry out the bandwidth stack, provide the wlan network of enough bandwidth to use to the user, greatly improved up-downgoing speed, a plurality of users that can satisfy under the public arena carry out smooth business of networking.And, also support the charging to access user.In addition, account verify data stream and the business of networking data stream separation of subscriber equipment realize, make Business Stream on wireless routing device, directly access Internet by the TD-SCDMA net, and do not remove to access Internet by the AC server, thereby alleviated the data pressure on the AC server, and reduced the time delay of network data transmission.
Description of drawings
Fig. 1 is the structural representation of an embodiment of communication system provided by the invention;
Fig. 2 is the schematic flow sheet of an embodiment of the communication means of WLAN (wireless local area network) provided by the invention;
Fig. 3 is the schematic diagram that the terminal use Portal certification page in the communication means of WLAN (wireless local area network) provided by the invention pushes an embodiment of flow process;
Fig. 4 is the schematic diagram of an embodiment of the terminal use's login authentication flow process in the communication means of WLAN (wireless local area network) provided by the invention;
Fig. 5 is the schematic diagram of an embodiment of the terminal use's business of networking flow process in the communication means of WLAN (wireless local area network) provided by the invention;
Fig. 6 is the schematic diagram of an embodiment of the terminal use's off-line flow process in the communication means of WLAN (wireless local area network) provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Referring to Fig. 1, it is the structural representation of an embodiment of communication system provided by the invention.
The embodiment of the invention provides a kind of communication system, and its networking structure comprises that mainly Verification System access part and N TD-SCDMA turn WLAN wireless routing access part.Wherein, N 〉=2.
Wireless routing device shown in Figure 1 is the wireless routing device that N TD-SCDMA turns WLAN, by using the clamping of TD-SCDMA rate to enter dialing, obtain the IP address that the mobile network distributes, thereby accessing Internet, the terminal use is connected to certificate server by WLAN and authenticates, and obtains the authority of access Internet.
The network configuration of the communication system that present embodiment provides possesses following characteristics:
(1.1) the internal system server comprises gateway server and OMC(operation maintenance center) server, this internal system server is connected with mobile WLAN core net, needs by firewall filtering the fail safe that further improves native system.
(1.2) mutual between gateway server and the AC server (authentication authorization and accounting server) is pure route switching pattern, without fire compartment wall, avoids the bottleneck of transfer of data.
(1.3) each server all adopts gigabit to connect, and further improves response speed.
Wireless routing device can realize that N TD-SCDMA turns WLAN, and it possesses following characteristics:
(2.1) can realize automatically that N TD-SCDMA module dials up on the telephone;
(2.2) can stable operation under certain translational speed;
(2.3) support mobile Portal network access authentication;
(2.4) realize separating of authentication stream and Business Stream;
(2.5) provide the ac power supply mode;
(2.6) technical grade is prevented design and the design of hommization shell more, with the subscriber equipment plug and play, installs simple, easy to use;
(2.7) support the WIFI signal of WLAN standard IEEE802.11 b/g/n to provide.
The embodiment of the invention can realize pushing mobile Portal function at wireless routing device, needs the AC server in the mobile WLAN core net of access.The AC server is mainly used in pushing Portal and does user's login authentication.Because the AC server disposition is in mobile WLAN core net, outer net can not be accessed, thus need to set up a gateway server in the AC Intranet, and distribute a fixedly IP of public network for this gateway server.Thereby gateway server is able to and AC server interaction communication, also can with the purpose of the mutual communication of wireless routing device.In this network environment, gateway server is equivalent to play the effect of a bridge, and AC server and wireless routing device communicate with one another by this bridge.After the user connected wireless routing device, the all-network request of initiation all can send to gateway server, and gateway server is forwarded to network request on the AC server again, thereby reached the function that pushes Portal.
The embodiment of the invention considers that the resource of AC server is nervous, therefore user's account verify data stream is separated with the business of networking data flow, make Business Stream on wireless routing device, directly access Internet by the TD-SCDMA net, and do not remove to access Internet by the AC server, thereby alleviated the data pressure on the AC server, and reduced the time delay of network data transmission.
Whole operation flow is divided into four-stage: terminal use Portal certification page pushes flow process, terminal use's login authentication flow process, terminal use's business of networking flow process and terminal use's off-line flow process.Be described in detail below in conjunction with Fig. 2 ~ Fig. 6.
Referring to Fig. 2, be the schematic flow sheet of an embodiment of the communication means of WLAN (wireless local area network) provided by the invention, the method may further comprise the steps:
S1, subscriber equipment send HTML (Hypertext Markup Language) http request to wireless routing device, obtain the Portal certification page redirect that certificate server returns and reply; Dispose N TD-SCDMA module in the described wireless routing device, N 〉=2.
S2, described subscriber equipment send the http logging request to described wireless routing device, and described http logging request is forwarded to described certificate server via gateway server, by described certificate server described http logging request is authenticated; After authentication was passed through, described certificate server carried out charging to the business of networking of described subscriber equipment.
S3, described subscriber equipment send network access request to described wireless routing device; Described wireless routing device selects a minimum TD-SCDMA module of resource load to provide bandwidth resources for described network access request according to the resource load situation of described N TD-SCDMA module by the load balancing computing; The minimum TD-SCDMA module of described resource load is forwarded to the destination address server that will access with described network access request, and the access to netwoks that described destination address server returns replied sends described subscriber equipment to.
S4, described subscriber equipment send the request of http off-line to described wireless routing device, and the request of described http off-line is forwarded to described certificate server via described gateway server, and described certificate server stops the business of networking of described subscriber equipment is carried out charging.
Referring to Fig. 3, it is the schematic diagram that terminal use Portal certification page in the communication means of WLAN (wireless local area network) provided by the invention pushes an embodiment of flow process.
Above-mentioned steps S1 is that terminal use Portal certification page pushes flow process, specifically may further comprise the steps S101 ~ S108:
S101, subscriber equipment obtains the focus signal in the wireless signal coverage of wireless routing device, carry out network connection.
S102, described wireless routing device issues the IP address to described subscriber equipment; Described IP address is the source address of described subscriber equipment.
S103, described subscriber equipment sends the http request to described wireless routing device, and described http request comprises described source address.
S104, described wireless routing device is forwarded to gateway server with described http request.
S105, described gateway server is forwarded to certificate server with described http request.
S106, described certificate server reply the redirect of Portal certification page and return to described gateway server.
S107, described gateway server reply the redirect of Portal certification page and return to described wireless routing device.
S108, described wireless routing device reply the redirect of Portal certification page and return to described subscriber equipment.
Referring to Fig. 4, it is the schematic diagram of an embodiment of the terminal use's login authentication flow process in the communication means of WLAN (wireless local area network) provided by the invention.
Above-mentioned steps S2 is terminal use's login authentication flow process, specifically may further comprise the steps S201 ~ S207:
S201, described subscriber equipment sends the http logging request to described wireless routing device; Described http logging request carries account and encrypted message.
S202, described wireless routing device is forwarded to described gateway server with described http logging request.
S203, described gateway server is forwarded to described certificate server with described http logging request.
S204, described certificate server authenticate described http logging request according to described account and encrypted message.
S205, behind authentication success, described certificate server is to described gateway server return authentication successful respond, and begins the business of networking of described subscriber equipment is carried out charging.
S206, described gateway server reply described authentication success and return to described wireless routing device, and record account authentication information; Described account authentication information comprises account and the authentication state information of described subscriber equipment.
S207, described wireless routing device reply described authentication success and return to described subscriber equipment, and record described account authentication information.
Referring to Fig. 5, it is the schematic diagram of an embodiment of the terminal use's business of networking flow process in the communication means of WLAN (wireless local area network) provided by the invention.
Above-mentioned steps S3 is terminal use's business of networking flow process, specifically may further comprise the steps S301 ~ S307:
S301, described subscriber equipment is initiated network access request to described wireless routing device; The destination address that described network access request comprises described source address and will access.
S302, the account authentication information of described wireless routing device inquiry local record is verified the account authentication state of described subscriber equipment; If the account authentication state is successfully mark, then described wireless routing device selects a minimum TD-SCDMA module of resource load to provide bandwidth resources for described network access request according to the resource load situation of built-in N TD-SCDMA module by the load balancing computing; The minimum TD-SCDMA module of described resource load is forwarded to described network access request the destination address server that will access.
Wherein, load balancing (LoadBalance) algorithm provides a kind of cheapness, effective, transparent method, come extended network equipment and server bandwidth, increase throughput, Strengthens network data-handling capacity, improve flexibility and the availability of network.
On N TD-SCDMA module, load balancing module can be weighed the resource load condition (being the Concurrency Access quantity of moving on each TD-SCDMA module) of each TD-SCDMA module in N the TD-SCDMA module to the embodiment of the invention with a large amount of Concurrency Access mean allocation.The load balancing computing preferentially is assigned to a up-to-date Concurrency Access on the TD-SCDMA module of Concurrency Access minimum number in N the TD-SCDMA module.So analogize, guarantee that the Concurrency Access of N TD-SCDMA module is equal in number, thereby the resource of N TD-SCDMA module is all on average used, reach the stack of bandwidth.After subscriber equipment was initiated network access request, wireless routing device can be assigned to this network access request on the TD-SCDMA module of Concurrency Access minimum number.After the distribution, the TD-SCDMA network issued the IP address of distribution as source address after this network access request can be carried this TD-SCDMA module dialing, send on the Internet as destination address with the IP address that will access, guarantee that transmission and the destination address server of network access request returns replying of this access.After replying of access returned, wireless routing device can return on the subscriber equipment of initiating to reply replying.So for a terminal use, only using an access is to use the bandwidth of N TD-SCDMA module, for example only browsing a webpage is to use a TD-SCDMA module.As long as when the terminal use browses simultaneously a plurality of webpages or carries out the multithreading download, just may all use the bandwidth resources of N TD-SCDMA module.In like manner,, also can all use the bandwidth resources of N TD-SCDMA module simultaneously during browsing page at multi-terminal user.
In addition, in step S302, if the account authentication state is successfully mark, wireless routing device also sends heartbeat message to gateway server so.Wherein, heartbeat message is used for the running status of surveillance equipment.Heartbeat message is the character string information that sends successively, and the running status of indication equipment sends with UDP (User Datagram Protocol, User Datagram Protoco (UDP)) broadcasting or mode of unicast.The send mode of heartbeat message and transmission time interval can be set at wireless routing device.
S303, the server of described destination address returns access to netwoks to described wireless routing device and replys, and namely returns the business of networking data.
S304, described wireless routing device reply described access to netwoks and return to described subscriber equipment.
S305, described wireless routing device sends heartbeat request to described gateway server.
Wherein, described heartbeat request is the access request to a certain website, and for example request access IP address is the website of http://www.***.com.
S306, described gateway server is transmitted to described certificate server with described heartbeat request.
S307, described certificate server returns heartbeat to described gateway server and replys; The account authentication information of the described subscriber equipment of content update that described gateway server is replied according to described heartbeat.
Wherein, to reply be that for example for the access request of website http://www.***.com, if Portal logins successfully, then replying is exactly the website of Baidu to the replying of the access request of a certain website in described heartbeat; If Portal is login not, replying so is exactly the certification page of Portal.
Gateway server upgrades the account authentication information according to the heartbeat response content, and wherein, unusual off-line is replied in redirect if response content is the Portal certification page, then deletes immediately the account authentication information of this subscriber equipment of local record.
Need to prove that " terminal use's business of networking flow process " is not relate to identifying procedure, because the terminal use must be through " terminal use Portal certification page pushes flow process " and " terminal use's login authentication flow process " before using business of networking." heartbeat request " is in order to keep this terminal use at a state that Portal logins successfully of gateway server and certificate server.
Referring to Fig. 6, it is the schematic diagram of an embodiment of the terminal use's off-line flow process in the communication means of WLAN (wireless local area network) provided by the invention.
Above-mentioned steps S4 is terminal use's off-line flow process, specifically may further comprise the steps S401 ~ S106:
S401, described subscriber equipment sends the request of http off-line to described wireless routing device.
S402, described wireless routing device is forwarded to described gateway server with the request of described http off-line.
S403, described gateway server is forwarded to described certificate server with the request of described http off-line; Described certificate server carries out processed offline to described subscriber equipment.
S404, described certificate server returns the off-line successful respond to described gateway server, and stops the business of networking of described subscriber equipment is carried out charging.
S405, described gateway server returns to described wireless routing device with described off-line successful respond, and the account authentication information of deletion local record.
S406, described wireless routing device returns to described subscriber equipment with described off-line successful respond, and the account authentication information of deletion local record.
The communication means of the WLAN (wireless local area network) that the embodiment of the invention provides, adopt at least two TD-SCDMA modules to carry out the bandwidth stack, provide the wlan network of enough bandwidth to use to the user, greatly improved up-downgoing speed, a plurality of users that can satisfy under the public arena carry out smooth business of networking.And, also support the charging to access user.In addition, account verify data stream and the business of networking data stream separation of subscriber equipment realize, make Business Stream on wireless routing device, directly access Internet by the TD-SCDMA net, and do not remove to access Internet by the AC server, thereby alleviated the data pressure on the AC server, and reduced the time delay of network data transmission.
The above is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (5)
1. the communication means of a WLAN (wireless local area network) is characterized in that, comprising:
S1, subscriber equipment send HTML (Hypertext Markup Language) http request to wireless routing device, obtain the Portal certification page redirect that certificate server returns and reply; Dispose N TD-SCDMA module in the described wireless routing device, N 〉=2;
S2, described subscriber equipment send the http logging request to described wireless routing device, and described http logging request is forwarded to described certificate server via gateway server, by described certificate server described http logging request is authenticated; After authentication was passed through, described certificate server carried out charging to the business of networking of described subscriber equipment;
S3, described subscriber equipment send network access request to described wireless routing device; Described wireless routing device selects a minimum TD-SCDMA module of resource load to provide bandwidth resources for described network access request according to the resource load situation of described N TD-SCDMA module by the load balancing computing; The minimum TD-SCDMA module of described resource load is forwarded to the destination address server that will access with described network access request, and the access to netwoks that described destination address server returns replied sends described subscriber equipment to;
S4, described subscriber equipment send the request of http off-line to described wireless routing device, and the request of described http off-line is forwarded to described certificate server via described gateway server, and described certificate server stops the business of networking of described subscriber equipment is carried out charging.
2. the communication means of WLAN (wireless local area network) as claimed in claim 1 is characterized in that, described step S1 comprises:
S101, subscriber equipment obtains the focus signal in the wireless signal coverage of wireless routing device, carry out network connection;
S102, described wireless routing device issues the IP address to described subscriber equipment; Described IP address is the source address of described subscriber equipment;
S103, described subscriber equipment sends the http request to described wireless routing device, and described http request comprises described source address;
S104, described wireless routing device is forwarded to gateway server with described http request;
S105, described gateway server is forwarded to certificate server with described http request;
S106, described certificate server reply the redirect of Portal certification page and return to described gateway server;
S107, described gateway server reply the redirect of Portal certification page and return to described wireless routing device;
S108, described wireless routing device reply the redirect of Portal certification page and return to described subscriber equipment.
3. the communication means of WLAN (wireless local area network) as claimed in claim 2 is characterized in that, described step S2 comprises:
S201, described subscriber equipment sends the http logging request to described wireless routing device; Described http logging request carries account and encrypted message;
S202, described wireless routing device is forwarded to described gateway server with described http logging request;
S203, described gateway server is forwarded to described certificate server with described http logging request;
S204, described certificate server authenticate described http logging request according to described account and encrypted message;
S205, behind authentication success, described certificate server is to described gateway server return authentication successful respond, and begins the business of networking of described subscriber equipment is carried out charging;
S206, described gateway server reply described authentication success and return to described wireless routing device, and record account authentication information; Described account authentication information comprises account and the authentication state information of described subscriber equipment;
S207, described wireless routing device reply described authentication success and return to described subscriber equipment, and record described account authentication information.
4. the communication means of WLAN (wireless local area network) as claimed in claim 3 is characterized in that, described step S3 comprises:
S301, described subscriber equipment is initiated network access request to described wireless routing device; The destination address that described network access request comprises described source address and will access;
S302, the account authentication information of described wireless routing device inquiry local record is verified the account authentication state of described subscriber equipment; If the account authentication state is successfully mark, then described wireless routing device selects a minimum TD-SCDMA module of resource load to provide bandwidth resources for described network access request according to the resource load situation of built-in N TD-SCDMA module by the load balancing computing; The minimum TD-SCDMA module of described resource load is forwarded to described network access request the destination address server that will access;
S303, the server of described destination address returns access to netwoks to described wireless routing device and replys;
S304, described wireless routing device reply described access to netwoks and return to described subscriber equipment;
S305, described wireless routing device sends heartbeat request to described gateway server;
S306, described gateway server is transmitted to described certificate server with described heartbeat request;
S307, described certificate server returns heartbeat to described gateway server and replys; The account authentication information of the described subscriber equipment of content update that described gateway server is replied according to described heartbeat.
5. the communication means of WLAN (wireless local area network) as claimed in claim 4 is characterized in that, described step S4 comprises:
S401, described subscriber equipment sends the request of http off-line to described wireless routing device;
S402, described wireless routing device is forwarded to described gateway server with the request of described http off-line;
S403, described gateway server is forwarded to described certificate server with the request of described http off-line; Described certificate server carries out processed offline to described subscriber equipment;
S404, described certificate server returns the off-line successful respond to described gateway server, and stops the business of networking of described subscriber equipment is carried out charging;
S405, described gateway server returns to described wireless routing device with described off-line successful respond, and the account authentication information of deletion local record;
S406, described wireless routing device returns to described subscriber equipment with described off-line successful respond, and the account authentication information of deletion local record.
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