CN101959196A - WLAN (Wireless Local Area Network) resource sharing method and WLAN network system - Google Patents
WLAN (Wireless Local Area Network) resource sharing method and WLAN network system Download PDFInfo
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Abstract
The invention discloses a WLAN (Wireless Local Area Network) resource sharing method and a WLAN network system, wherein the method comprises the steps of: broadcast-identifying different access identifiers of each operation network by using an access point device; searching the access identifier of each operation network by users in the operation network respectively and transmitting the searched access identifier and user data to the access point device together; transparently transmitting the received data to an access controller by the access point device; respectively mapping the data to configured VLAN (Virtual Local Area Network) passages corresponding to different access identifiers by the access controller according to the access identifiers in the received data; and respectively transmitting the data of each operation network to a broadband access server of each operation network through a port of the access controller bonded with the VLAN passages. The invention realizes the peer-to-peer fair of resources, the guaranteed network quality, the operation possibility, the controllable possibility and the expandable upgrade of a plurality of telecom operators simultaneously accessed into the WLAN network in the same region.
Description
Technical field
The present invention relates to the WiMAX field, especially, relate to a kind of shared method and wlan network system of wlan network resource.
Background technology
Broadband network is the emphasis of current each telecom operators' networking and operation, and has proposed the demand that the WLAN wireless broadband network is built when first three household electrical appliances letter operation commercial city.
Because the WLAN air interface is to use the 2.4G frequency resource of the opening of exempting to apply for, each tame telecommunications operator can be freely based on this band frequency Resources Construction WLAN wireless broadband network.The IEEE802.11 agreement of being followed according to the WLAN wireless broadband network, 802.11b/g equipment work is in the 2400-2483.5M frequency range, in order to make user's access network smoothly in WLAN wireless broadband network coverage, (Access Point AP) may exist certain overlapping region between the coverage to different WLAN access points.Modulation principle according to aerial channel distribution and channel in the IEEE802.11 agreement, as shown in Figure 1,2400-2483.5M the channel of non-overlapping copies has only three in the frequency range, be respectively channel 1 (center frequency point is 2412M), channel 6 (center frequency point is 2437M), channel 11 (center frequency point is 2462M), the bandwidth of channel is 22M, therefore WLAN AP equipment is to set to be operated in 1 of this non-overlapping copies usually, 6, on 11 3 channels, and in the overlapping region that wlan network covers, use any one channel except that these three channels, all can cause the interference of signal owing to overlapping of channel, make the throughput of WLAN AP equipment reduce greatly, for the user is exactly that subscriber data traffic speed reduces, the communication quality variation, the throughput and the client that affect WLAN AP use perception.
Secondly, because the transmitting power lower (be generally 100mw or be no more than 500mw) of WLAN AP equipment, the radio wave loss of place working frequency range big (it is generally acknowledged in actual the construction penetrate indoor two walls after, the WLAN signal quality is just unavailable), cause the coverage of single WLANAP equipment often limited, therefore generally can be in the WLAN wireless broadband network is built all with full these three channels, and can provide good network service quality in order to ensure the WLAN wireless broadband network that has built up, built up the hot spot region that the WLAN wireless broadband network covers, follow-up other telecom operators that enter are if carry out the construction of WLAN wireless network, then certainly will cause interference to former carrier network, the self networks quality also is difficult to effectively be ensured, finally cause client's rights and interests of two tame operators to be encroached on, the brand of operator is affected.
In addition, WLAN AP equipment is because the technical characterstic of self, international standard is lower for the spuious requirement of equipment, cause the spuious index of equipment relatively poor relatively on the objective condition, therefore, suppose that in theory the channel resource of three non-overlapping copies is distributed to three tame telecommunications operators respectively carries out the wlan network construction, and by the shared terminal power splitter of three path combining technique realizations frequently, resource such as coupler and antenna feeder, in fact such mixer must satisfy between the port index request of the above isolation of 80dB at least, this is spaced apart 25M for channel center's frequency, in fact the marginal belt broadband at interval only be about 3M bandwidth (as shown in Figure 1, channel 1 and channel 6, channel 6 and channel 11) want to realize so isolation of high request that it is unpractical that the technology of such tri-frequency combiner realizes.Even if can realize that the pipeline equipment that closes that produces also is that bulky, cost are very high, technical difficulty is very big in the laboratory, close pipeline equipment and can't realize producing in batches and commercialization at all.Therefore, realize simultaneously that mixer equipment that 1,6,11 these three channels close the road is unpractical at least under technical conditions at present.
The backward demonstration, suppose technically might realize that such three close pipeline equipment frequently and realize that three tame operators close the road and realize that single-point inserts by respectively taking a channel resource, the wlan network coverage that can build also is very limited, 802.11b/g equipment can only provide the air interface modulation rate of maximum 11M/54M, goodput is substantially about 6M/22M, therefore be the more user's application scenarios of number for the hot spot region, the bandwidth that each user can distribute is an utterly inadequate amount.Under such wlan network, because the everywhere of hot spot region all exists three channel signals of these three non-overlapping copies simultaneously, therefore to realize the dilatation of wlan network, as shown in Figure 1, just can not find the channel resource of " pure " at all, even if therefore can close the wlan network that the road mode realizes that three tame operators build together frequently by three, also be difficult to satisfy the multi-user and insert the demand that the network capacity extension that brings and network quality ensure, also will face the network provider with after can't capacity expansion and upgrading embarrassment, this will can realize and can run with carrier class network, but management and control, the basic demand of extendible capacity upgrading is far apart.
This shows how to realize that WLAN WiMAX resource is the unsolved all the time technical barrier of industry to the fair equity of how tame telecommunications operator, scientific and reasonable shared building together.
Summary of the invention
The technical problem that the present invention will solve provides a kind of shared method and wlan network system of wlan network resource, can realize how tame telecommunications operator sharing the wlan network resource of the same area.
According to an aspect of the present invention, a kind of shared method of wlan network resource has been proposed, wlan network comprises access controller and the access point apparatus that links to each other with access controller, and this method comprises that the difference of each Operation Network of access point apparatus broadcasting identification inserts sign; User in each Operation Network searches for the access sign of belonging network respectively, and the access sign that will search is transferred to access point apparatus with user data; Access point apparatus with the data penetration transmission that receives to access controller; Access controller is mapped to identifying in the corresponding VLAN passage with different accesses of being disposed according to the access sign that receives in the data respectively with data; The data of each Operation Network are transferred to the BAS Broadband Access Server of each Operation Network respectively by access controller port with the binding of VLAN passage.
According to an embodiment of the inventive method, wlan network is a centralized control type wlan network.
According to another embodiment of the inventive method, this method comprises that also access controller distributes access bandwidth for each Operation Network statically.
According to the another embodiment of the inventive method, access controller comprises that for each Operation Network distributes the step of access bandwidth access controller distributes access bandwidth for each Operation Network equably statically.
According to an embodiment again of the inventive method, this method comprises that also access controller dynamically distributes access bandwidth for each Operation Network.
According to an embodiment again of the inventive method, access controller dynamically comprises that for each Operation Network distributes the step of access bandwidth access controller dynamically distributes access bandwidth for each Operation Network equably according to current access wlan network and by the number of users that authenticates.
According to an embodiment again of the inventive method, the number of access point apparatus is more than one.
According to an embodiment again of the inventive method, the BAS Broadband Access Server of each Operation Network is connected to the access controller port respectively by private net address.
According to an embodiment again of the inventive method, this method comprises that also each Operation Network is based on snmp protocol visited WLAN network.
According to a further aspect in the invention, a kind of wlan network system has also been proposed, comprise access controller and the access point apparatus that links to each other with access controller, wherein, access point apparatus, be used to broadcast the difference access sign of each Operation Network of identification, and insert the access of eating dishes without rice or wine that sign realizes a plurality of Operation Networks according to difference; Access controller, be used to receive the different data that insert sign of having of access point apparatus transparent transmission, according to the sign of the access in the data data are mapped to identifying in the corresponding VLAN passage with different accesses of being disposed respectively, and the data of each Operation Network are transferred to the BAS Broadband Access Server of each Operation Network respectively by access controller port with the binding of VLAN passage.
An embodiment of system according to the invention, wlan network are centralized control type wlan network.
Another embodiment of system according to the invention, access controller also are used for distributing access bandwidth for each Operation Network statically.
The another embodiment of system according to the invention, access controller also are used for dynamically distributing access bandwidth for each Operation Network.
An embodiment again of system according to the invention, the number of access point apparatus is more than one.
An embodiment again of system according to the invention, the BAS Broadband Access Server of each Operation Network is connected to the access controller port respectively by private net address.
An embodiment again of system according to the invention, access point apparatus comprises radio unit, is used to broadcast the difference access sign of each Operation Network of identification; Receiving element is used for receiving the access sign and the user data of the belonging network that the user of each Operation Network sends; The transparent transmission unit links to each other with receiving element, and the data penetration transmission that is used for receiving element is received is to access controller.
An embodiment again of system according to the invention, access controller comprises receiving element, is used to receive the different data that insert sign of having of access point apparatus transparent transmission; The data map unit links to each other with receiving element, is used for according to the access sign of data data being mapped to identifying in the corresponding VLAN passage with different accesses of being disposed respectively; Data transmission unit links to each other with the data map unit, is used for by the access controller port with the binding of VLAN passage the data of each Operation Network being transferred to respectively the BAS Broadband Access Server of each Operation Network.
The shared method of wlan network resource provided by the invention and wlan network system, can utilize the difference access sign of each Operation Network of identification that the data of different Operation Networks are distinguished, when being transparent to access controller, the data of different Operation Networks can be mapped to identifying in the corresponding VLAN passage of configuration respectively with different accesses, be transferred on the BAS Broadband Access Server of each Operation Network more respectively, can solve how tame telecommunications operator in this way effectively to the sharing of the wlan network resource of same hot spot region, and can successfully realize with how tame telecommunications operator separately independently wlan network charge, effective butt joint of authentication and network management platform.This implementation of the present invention can also realize the smooth expansion of wlan network and to the upgrading of 802.11n according to the data service growth requirement.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part.In the accompanying drawings:
Fig. 1 is that the 802.11b/g working frequency range is divided schematic diagram.
Fig. 2 is the schematic flow sheet of an embodiment of the inventive method.
Fig. 3 is the application schematic diagram that carrier class wlan network of the present invention resource-sharing is built together.
Fig. 4 is the structural representation of an embodiment of system of the present invention.
Fig. 5 is the structural representation of an embodiment again of system of the present invention.
Fig. 6 is the structural representation of an embodiment again of system of the present invention.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention wherein is described.Exemplary embodiment of the present invention and explanation thereof are used to explain the present invention, but do not constitute improper qualification of the present invention.
Fig. 2 is the schematic flow sheet of an embodiment of the inventive method.
The wlan network of this embodiment comprises access controller and the access point apparatus that links to each other with access controller, and as shown in Figure 2, this embodiment can may further comprise the steps:
The difference that S102, access point apparatus broadcast each Operation Network of identification inserts sign, so that the user in each Operation Network can search own affiliated network;
S104, the user in each Operation Network search for the access sign of belonging network respectively, after searching network, the access sign that searches are transferred to access point apparatus with user data;
S106, access point apparatus will receive from the data penetration transmission of different Operation Networks to access controller;
S108, access controller is mapped to identifying in the corresponding VLAN passage with different accesses of being disposed according to the access sign that receives in the data respectively with user data;
S110, the data of each Operation Network in the different VLAN passages are transferred to the BAS Broadband Access Server of each Operation Network respectively by access controller port with the binding of VLAN passage, wherein, the BAS Broadband Access Server of each Operation Network can be connected to the access controller port respectively by private net address, to reduce the waste to public network address to a certain extent.
This embodiment utilizes wlan network can support multiple access sign to solve the build together technical barrier of wlan network of carrier class multi-operator, and the frequency interferences problem when having overcome the how tame WLAN of operator and coexisting has realized safe Joint construction and sharing.This embodiment also successfully realized with three tame operators separately the effective of independently wlan network charging, authentication and network management platform dock, can also realize the smooth expansion of wlan network and to the upgrading of 802.11n in conjunction with hot spot region data service growth requirement.
In another embodiment of the inventive method, wlan network can be centralized control type wlan network.Alternatively, wlan network can be to be deployed in the same area and by the shared centralized control type wlan network of a plurality of Operation Networks.
With adopting switch is that the group-network construction of core is compared, because general switch only supports to dispose a Management VLAN, therefore, can only insert the network management platform of a tame operator at most, and this obviously is inequitable for the scene that how tame operator builds together; And this embodiment is owing to be the network architecture that adopts the centralized control type, AP is linked to access controller on all, access controller possesses powerful hard core control and control ability, can be directly to the AP equipment of external One's name is legion, fairly perfect webmaster ability is arranged, and the network management platform of how tame operator can be easily safely based on the operational management of access controller realization to wlan network.Simultaneously, access controller can also dispose associated rights easily, guarantees the safety of network management system.
In addition, switch is that the group-network construction of core is when the wlan network traffic carrying capacity rises, need to increase WLAN AP equipment, because WLAN has only three limited frequency resources, therefore, want to realize in the place of AP deployed with devices comparatively denses such as conference and exhibition center the WLAN AP equipment that increases newly can with the harmonious coexistence of the WLAN AP equipment of same court, need carry out channel to all WLAN AP of periphery, power is isoparametric distributes rationally, this is difficult to accomplish in actual environment, because the workload that can find to can not find the channel resource of suitable " totally " and optimize and revise is huge, on-the-spot optimization work is difficult to carry out, and poor effect.And under the network architecture of centralized control type; all AP unify control by access controller; controller is Auto-Sensing wireless channel disturbed condition regularly; and AP is optimized adjustment based on the detecting situation; even if because the newly-increased AP of dilatation; because under the management and control of same access controller; can realize harmonious coexistence with peripheral AP equipment easily; and based on the unified control of access controller; even if there are indivedual AP equipment to break down in the network; service can't be provided; periphery AP can realize the power Output Optimization adjustment under the control of access controller is coordinated and managed; guarantee the integrality of the target area network coverage, realize the good network self-healed protection.
This embodiment can take into full account the demand of each tame operator and neatly access bandwidth be distributed.In addition, in case each tame Operator Specific Service amount is come up, when the bandwidth of air-interface resource becomes bottleneck really, can easily original system be escalated into 802.11N, bigger bandwidth and better client perception can be provided, but can realize the secure carrier class operator that runs management and control of the quality network of building together equally.
In the another embodiment of the inventive method, access controller can distribute access bandwidth for each Operation Network statically.For example, access controller can distribute access bandwidth for each Operation Network equably.
In the prior art, if the development of A carrier market better, a large amount of A client of operator in same place inserts, and has almost taken the air interface bandwidth resource of AP, the B and the C client of operator that are in this place so certainly will be difficult to insert, and be obviously very unfair for B and C operator.And this embodiment is correlated with based on the powerful management and control ability of access controller and distributes rationally, for example, can carry out the configuration of access bandwidth based on inserting sign, when needs insert three operators of ABC, the air interface bandwidth of 54M can be divided into three parts, client's maximum of A operator can only take the bandwidth of being distributed for its access sign like this, for inserting, the client of B and C operator leaves sufficient bandwidth leeway, therefore can realize easily that fair equity inserts, this all is fair for any one tame operator, also be unusual equality, do not have any fighting for.
In an embodiment again of the inventive method, access controller can dynamically distribute access bandwidth for each Operation Network.For example, access controller can dynamically distribute access bandwidth for each Operation Network equably according to current access wlan network and by the number of users that authenticates.
After network puts into effect, if adopt absolute fair method to distribute access bandwidth may cause the resource utilization of bandwidth not high.And the mode that this embodiment carries out dynamic uniform distribution air interface bandwidth according to current access and the number of users by authentication can significantly improve the resource utilization of WLAN air interface bandwidth, also can bring the better application perception for the client.
In the above-described embodiments, the number of access point apparatus can be for more than one.
In addition, each Operation Network can be based on snmp protocol visited WLAN network.
Effect after the foregoing description is realized is consistent with the effect that how tame operator builds separately, no matter give user's perception or equal indifference for the direct first line of a couplet network/platform of operator, and because the hot spot region has realized that the shared of Internet resources build together, the wlan network quality on the contrary can be better, gives client's perception meeting better.
Fig. 3 is the application schematic diagram that carrier class wlan network of the present invention resource-sharing is built together.
As shown in Figure 3, having adopted centralized control type wlan network framework is system, carry out the hot spot region that the wlan network resource-sharing is built together at needs, many tame telecommunications operator only need dispose the shared wlan network system of a cover, this system makes full use of WLAN AP equipment and supports the characteristic of multiple access sign to realize the separating of WiMAX access service of telecom operators of many families (3 families and more than 3 families), for example, WLAN AP overseas broadcast simultaneously " China Telecom (insert and identify: ChinaNet) ", " China Mobile (insert and identify: ChinaMobile) ", " CHINAUNICOM (insert sign: ChinaUnicom) " three inserts sign, because the CAPWAP tunnel information that WLAN AP can come on termination AP on the WLAN access controller, therefore the difference correspondence disposes 3 VLAN on access controller, correspond respectively to the access sign of three different telecom operators, the VLAN passage simultaneously with access controller on corresponding interface bind.Three tame telecommunications operators (telecommunications, move, UNICOM) are connected on the access controller from IP metropolitan area network backguy cable (can also can be optical fiber for category-5 cable) separately respectively, the signal that can realize three tame telecommunications operators like this by the isolation that difference inserts sign and VLAN can be searched under indoor distributed system end antenna coverage areas and obtain, separation by in logic realizes resource-sharing based on same set of wlan network in three tame telecommunications operators, thereby the public wireless broadband service on net of hot spot region can be provided.The client of three tame telecommunications operators inserts sign by difference and is linked on access controller to the BAS Broadband Access Server of operator (BRAS) separately and carries out access authentication, station address is separately distributed by BRAS separately, and authentication and accounting is also independently finished by separately authentication and accounting system.Because the network architecture based on centralized control type system, the network management platform of each tame telecommunications operator can directly dock with access controller, promptly can realize the management of the wlan device of this hot spot region, do not disturb mutually between the three tame telecommunications operators to be independent of each other yet, do not have any transformation demand yet for the broadband access network of operator separately.For the client of different telecom operators, in full accord when occupation mode, use habit and operator offer client's business experience and operator the service of WLAN WiMAX independently is provided.
The present invention is based on the centralized control type network architecture, access controller by centralized control type wlan network, can carry out allocated bandwidth based on inserting sign easily, when three telecom operators insert simultaneously, can realize dividing equally of bandwidth according to inserting sign, for example, " China Telecom (ChinaNet) ", " China Mobile (ChinaMobile) ", " CHINAUNICOM (ChinaUnicom) " three wireless air interface bandwidth that operator's mean allocation wlan device can provide, realize fair equity mechanism, eliminated the doubt of individual operators.Even if come on the later stage hot spot region traffic carrying capacity, the air interface bandwidth resource becomes influences the bottleneck that the client uses perception, because the hot spot region only is deployed with a cover wlan network, also can and (for example distribute in conjunction with reasonable parameter planning, channel allocation, position planning, power programming etc.) easily realize increasing WLANAP with reply network capacity demand, perhaps introduce 802.11N equipment and further solve the dilatation demand of hot spot region data service by upgrading.Simultaneously, based on centralized control type wlan network framework is the basis, can also provide evading and powerful network management control function of load balancing between different WLAN AP, interference, thereby but fair equity, quality are secure in order to make, the wlan network of the carrier class multi-operator resource-sharing that can run management and control is established solid technical foundation.
Fig. 4 is the structural representation of an embodiment of system of the present invention.
As shown in Figure 4, the wlan network system of this embodiment can comprise access controller 11 and the access point apparatus 12 that links to each other with access controller 11, wherein,
But this embodiment can realize that how tame telecommunications operator equity is fair and inserts and can satisfy and can run the wlan network construction requirements that management and control, extendible capacity are upgraded as long as dispose a cover wlan network in the hot spot region, solved since wlan network be difficult to realize resource-sharing become perplex the wireless city all the time, indoor distributed system is realized the technical barrier that resource-sharing is built together, avoided how tame operator independently to build wlan network separately, cause network resources waste and network quality effectively to be ensured, the problem of client's benefit damage.
In another embodiment of system of the present invention, wlan network can be centralized control type wlan network.
In the another embodiment of system of the present invention, access controller can also be used for distributing access bandwidth for each Operation Network statically.For example, access controller can distribute access bandwidth for each Operation Network equably.
In an embodiment again of system of the present invention, access controller can also be used for dynamically distributing access bandwidth for each Operation Network.For example, access controller can dynamically distribute access bandwidth for each Operation Network equably according to current access wlan network and by the number of users that authenticates.
Fig. 5 is the structural representation of an embodiment again of system of the present invention.
As shown in Figure 5, compare with embodiment among Fig. 4, the access point apparatus 21 of this embodiment can comprise:
Radio unit 211 is used to broadcast the difference access sign of each Operation Network of identification;
Receiving element 212 is used for receiving the access sign and the user data of the belonging network that the user of each Operation Network sends;
Transparent transmission unit 213 links to each other with receiving element, and the data penetration transmission that is used for receiving element is received is to access controller.
Fig. 6 is the structural representation of an embodiment again of system of the present invention.
As shown in Figure 6, compare with embodiment among Fig. 4, the access controller 31 of this embodiment comprises:
Receiving element 313 is used to receive the different data that insert sign of having of access point apparatus transparent transmission;
Data map unit 312 links to each other with receiving element, is used for according to the access sign of data data being mapped to identifying in the corresponding VLAN passage with different accesses of being disposed respectively;
Data transmission unit 313 links to each other with the data map unit, is used for by the access controller port with the binding of VLAN passage the data of each Operation Network being transferred to respectively the BAS Broadband Access Server of each Operation Network.
The number of the access point apparatus of the foregoing description can be for more than one.
It is fair that the above embodiment of the present invention has realized that how tame telecommunications operator inserts the resource equity of wlan network of the same area simultaneously, but and network quality is secure, can run management and control, the extendible capacity upgrading.
Though specific embodiments more of the present invention are had been described in detail by example, it should be appreciated by those skilled in the art that above example only is in order to describe, rather than in order to limit the scope of the invention.It should be appreciated by those skilled in the art, can under situation about not departing from the scope of the present invention with spirit, above embodiment be made amendment.Scope of the present invention is limited by claims.
Claims (17)
1. the shared method of a wlan network resource is characterized in that, described wlan network comprises access controller and the access point apparatus that links to each other with described access controller, and described method comprises:
The difference of described each Operation Network of access point apparatus broadcasting identification inserts sign;
User in described each Operation Network searches for the access sign of belonging network respectively, and the access sign that will search is transferred to described access point apparatus with user data;
Described access point apparatus arrives described access controller with the data penetration transmission that receives;
Described access controller is mapped to identifying in the corresponding VLAN passage with described different accesses of being disposed according to the access sign that receives in the data respectively with data;
The data of described each Operation Network are transferred to the BAS Broadband Access Server of described each Operation Network respectively by access controller port with described VLAN passage binding.
2. method according to claim 1 is characterized in that, described wlan network is a centralized control type wlan network.
3. method according to claim 2 is characterized in that, described method also comprises:
Described access controller is that described each Operation Network distributes access bandwidth statically.
4. method according to claim 3 is characterized in that, described access controller comprises for described each Operation Network distributes the step of access bandwidth statically:
Described access controller is that described each Operation Network distributes access bandwidth equably.
5. method according to claim 2 is characterized in that, described method also comprises:
Described access controller dynamically is that described each Operation Network distributes access bandwidth.
6. method according to claim 5 is characterized in that, described access controller dynamically comprises for described each Operation Network distributes the step of access bandwidth:
Described access controller dynamically distributes access bandwidth for described each Operation Network equably according to the described wlan network of current access and by the number of users that authenticates.
7. method according to claim 1 is characterized in that, the number of described access point apparatus is more than one.
8. method according to claim 1 is characterized in that, the BAS Broadband Access Server of described each Operation Network is connected to described access controller port respectively by private net address.
9. method according to claim 1 is characterized in that, described method also comprises:
Described each Operation Network is visited described wlan network based on snmp protocol.
10. a wlan network system is characterized in that, comprises access controller and the access point apparatus that links to each other with described access controller, wherein,
Described access point apparatus is used to broadcast the difference access of discerning each Operation Network and identifies, and according to the described different accesses of eating dishes without rice or wine that identify a plurality of Operation Networks of realization that insert;
Described access controller, be used to receive the different data that insert sign of having of described access point apparatus transparent transmission, according to the sign of the access in the described data described data are mapped to identifying in the corresponding VLAN passage with described different accesses of being disposed respectively, and the data of described each Operation Network are transferred to the BAS Broadband Access Server of described each Operation Network respectively by access controller port with described VLAN passage binding.
11. system according to claim 10 is characterized in that, described wlan network is a centralized control type wlan network.
12. system according to claim 11 is characterized in that, described access controller also is used for distributing access bandwidth for described each Operation Network statically.
13. system according to claim 11 is characterized in that, described access controller also is used for dynamically distributing access bandwidth for described each Operation Network.
14. system according to claim 10 is characterized in that, the number of described access point apparatus is more than one.
15. system according to claim 10 is characterized in that, the BAS Broadband Access Server of described each Operation Network is connected to described access controller port respectively by private net address.
16. system according to claim 10 is characterized in that, described access point apparatus comprises:
Radio unit, the difference that is used for described each Operation Network of broadcast identification inserts sign;
Receiving element is used for receiving the access sign and the user data of the belonging network that the user of described each Operation Network sends;
The transparent transmission unit links to each other with described receiving element, and the data penetration transmission that is used for described receiving element is received is to described access controller.
17. system according to claim 10 is characterized in that, described access controller comprises:
Receiving element is used to receive the different data that insert sign of having of described access point apparatus transparent transmission;
The data map unit links to each other with described receiving element, is used for according to the access sign of described data described data being mapped to identifying in the corresponding VLAN passage with described different accesses of being disposed respectively;
Data transmission unit links to each other with described data map unit, is used for by the access controller port with described VLAN passage binding the data of described each Operation Network being transferred to respectively the BAS Broadband Access Server of described each Operation Network.
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| CN105099911A (en) * | 2015-06-28 | 2015-11-25 | 成都西加云杉科技有限公司 | Communication system, and communication method and device using such communication system |
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| CN105120523A (en) * | 2015-07-15 | 2015-12-02 | 北京交通大学 | Integrated service train-ground communication system applied to rail transit |
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