CN100550903C - A kind of micro-wave access to global intercommunication access net system - Google Patents
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- CN100550903C CN100550903C CNB2005100787164A CN200510078716A CN100550903C CN 100550903 C CN100550903 C CN 100550903C CN B2005100787164 A CNB2005100787164 A CN B2005100787164A CN 200510078716 A CN200510078716 A CN 200510078716A CN 100550903 C CN100550903 C CN 100550903C
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Abstract
The invention discloses a kind of micro-wave access to global intercommunication access net system, this system comprises BS, BSSN and DGW at least, wherein, BS comprises the MAC/PHY module, and the authentication information that described MAC/PHY module is used for the user terminal that will insert sends to BSSN, and after receiving the result that authentication that BSSN returns passes through, and when having professional connection to set up, send service request, and send user face data to DGW according to the service tunnel information that BSSN returns to BSSN; BSSN, comprise the SGW module, described SGW module is used for according to authentication information and the core net received mutual, this user terminal is carried out authentication, and the authentication result sent to BS, and set up service tunnel between this BS and the DGW, and return service tunnel information to this BS according to the service request of receiving; DGW is used for the user face data that BS sends is sent to Internet.Thereby provide beehive net, and this networking has higher robustness based on IEEE 802.16 agreements.
Description
Technical field
The present invention relates to the WiMAX access technology, relate in particular to a kind of micro-wave access to global intercommunication (WiMAX) access net system.
Background technology
IEEE 802.16 protocol definitions the wireless metropolitan area network standard of fixed broadband wireless access (BWA), this standard pin has defined different physical-layer techniques to different frequency range.The range of application of this standard mainly is towards dwelling house, small office/family office (SOHO), teleworker and the user of small enterprise (SME) market.
In December calendar year 2001, Institute of Electrical and Electric Engineers (IEEE) issued IEEE 802.16 standards that provide last kilometer WiMAX to insert at metropolitan area network has been provided, its working band at 10G between the 66GHz.But said 802.16 standards mainly comprise 802.16a, 802.16RevD and three standards of 802.16e.Wherein, 802.16a is for the non line of sight that is operated in 2～11GHz frequency range (NLOS) broadband fixed connecting system designs, and is approved by IEEE in January, 2003; 802.16RevD be the enhancement mode of 802.16a, main purpose is to support indoor user premises equipment (CPE); 802.16e be the further extension of IEEE802.16a/d, its objective is in existing standard increases the data mobility.
In order to promote of the promotion and application of 802.16 series standards in the whole world, the nonprofit organization that has formed World Interoperability for Microwave Access, WiMax by name forum by numerous equipment and component vendor, be intended to accelerate deployment based on the broadband wireless network of IEEE 802.16 series standards by guaranteeing broadband wireless access compatibility of apparatus and interoperability.Generally, realize that with using the technology of stipulating in 802.16 series standards system that WiMAX inserts is called the WiMAX system.
802.16 series standard has been stipulated the air interface part protocol layer of WiMAX system, mainly comprises physical layer (PHY) and two parts of media access control layer (MAC).Wherein, the PHY layer is finished physically to operations such as the modulation of signal and encoding and decoding; The MAC layer is mainly finished the medium access control function of WiMAX system.
Use the WiMAX system of above-mentioned physical layer and MAC layer, have advantages such as the strong and Quality of Service control of wide coverage, extensibility.Specific as follows:
1. broadband wireless access, wide coverage.
802.16 standard designs for obtain optimal performance in comprising various communication environments such as sighting distance, near-sighted distance and non line of sight.The maximum communication distance of OFDM (OFDM) modulation that the WiMAX system adopts can reach 4km, supports the spectrum efficiency up to 70Mbit/s.This system adopts the antenna technologies such as advanced networks topological sum such as beam shaping, STC and antenna diversity such as mesh network further to improve covering.These advanced technologies also can be used to improve the average and peak throughput of spectrum efficiency, capacity, multiplexing and every radio-frequency channel.
2. extensibility is strong
In physical layer, 802.16 support radio-frequency channel bandwidth flexibly and channel multiplexing, when extension of network, can be used as a kind of means that increase cell capacity.This standard is also supported automatic transmission power control and channel quality test, and the auxiliary tools that therefore can be used as physical layer is supported effective use of plot planning and deployment and frequency spectrum.When number of users increased, operator can redistribute frequency spectrum by sectorized and cell splitting.In addition, the WiMAX system is to the support of multichannel bandwidth, makes equipment manufacturers can adapt to national governments and frequency spectrum is used and distributes and formulate unique control way.
3.QoS control
802.16 the WiMAX system multiple COS and service level are provided, MAC layer complete face wherein guaranteed professional reliability fully to connecting; In addition, the WiMAX system has guaranteed the demand of different business to different bandwidth and time delay by the dispatching algorithm of optimizing.
Though above-mentioned WiMAX system has so superior performance, but because the IEEE802.16 serial protocols has only been stipulated the air interface part in the WiMAX system wireless network framework, and do not stipulate that WiMAX Access Network (WiRAN) inserts such as global system for mobile communications (GSM), the network architecture of core net such as code division multiple access (CDMA) system and Wideband Code Division Multiple Access (WCDMA) (WCDMA) system, therefore can't realize beehive net and operation based on IEEE 802.16 agreements, subscriber station of WiMAX system (SS) and travelling carriage (MSS) can't be linked in the core net by WiRAN, thereby can't use Internet resources and business function abundant in the core net.
In addition, traditional mobile cellular network framework is at aspect underactions such as the network optimizations.Normally many-to-one relation between the base station in the tradition mobile cellular network framework and the base station controller of back, a plurality of base stations are often controlled and managed to a base station controller, and all Radio Resources in the management administrative area, the base station all links to each other with certain specific base stations controller with user's face at chain of command.This connected mode causes business datum and the control data in the base station controller to transmit by same interface, and the data volume of business datum obviously is greater than control data, and expansion along with business, the data volume of the business datum of user's face will be increasing, this brings adverse effect will for the transfer of data of chain of command, and user face data increases meeting impact core net.Also have, this connected mode causes network to be optimized as required.
In addition, for some operator, its core net is used to handle such as chargeing professional, if wish to increase certain communication based on existing Access Network, then core net must provide corresponding billing function, such as can collecting charging information, and according to relevant treatment such as this charge information charge, also promptly need core net is changed, obviously cost is bigger.
By above description as can be seen, present IEEE 802.16 agreements do not provide the beehive net mode, therefore can't realize beehive net and operation based on this agreement, if and want to realize the beehive net and the operation of IEEE 802.16 agreements based on existing traditional mobile cellular network framework, then can exist such as the chain of command transfer of data being brought influence, a large amount of user face data core net is formed problems such as impact, network can't be optimized as required.
Summary of the invention
In view of this, subject matter to be solved by this invention is to provide a kind of micro-wave access to global intercommunication access net system, guaranteeing the robustness of the network architecture, and provides the self-optimization performance of network.
For addressing the above problem, the invention provides following technical scheme:
A kind of micro-wave access to global intercommunication access net system, this system comprises base station (BS), base station services node (BSSN) and user plane gateway (DGW) at least, wherein,
BS, comprise media access control layer/physical layer (MAC/PHY) module, described MAC/PHY module is used for after access user terminal, the authentication information of this user terminal is sent to BSSN, and after receiving the result that authentication that BSSN returns passes through, and when having professional connection to set up, send service request, and send user face data to DGW according to the service tunnel information that BSSN returns to BSSN;
BSSN, comprise signaling plane gateway (SGW) module, it is mutual that described SGW module is used for the authentication information and the core net of sending according to the MAC/PHY module, this user terminal is carried out authentication, and the authentication result sent to BS, and set up self according to the service request that the MAC/PHY module is sent and be connected with dedicated signaling between core net with the MAC/PHY module, and send service request to core net, reception and the business foundation request that issues according to core net, send the notice of user interface instance between foundation and core net to DGW, and notice MAC/PHY module is set up the business datum of eating dishes without rice or wine and is connected, finished the foundation of service tunnel between BS and the DGW, and returned service tunnel information to this BS;
DGW is used for the user face data that BS sends is sent to core net or Internet.
Described BS further comprises: the switch controller module, be used to receive the measurement report of the neighbor cell signal quality that user terminal reports by the MAC/PHY module, and determine candidate target BS according to described measurement report, can the resource that determined candidate target BS is sent this BS of information query by the SGW module satisfy situation and terminal and switch required quality of service and be guaranteed, selected final objective BS, issue switching execution information by the MAC/PHY module and give user terminal, reception and the message of returning according to user terminal that switches to target BS, indication discharges the interface-free resources of the current use of MAC/PHY module, sends the migration that message indication SGW module is carried out signaling interface and interface in the user plane between BS and core net to the SGW module.
Described BSSN further comprises: base station wireless resource management (BRRM) module and common radio resources management (CRRM) module, wherein,
BRRM is used for the service request distributing radio resource of sending according to BS;
CRRM, the resource allocation request that is used for according to the SGW module is a SGW module assignment resource;
Described SGW module is further used for the service request that BS sends is sent to BRRM, sets up self according to the BRRM assigned radio resource and is connected with the dedicated signaling of BS intermodule; And send resource allocation request to the CRRM module, set up self according to the resource of CRRM module assignment and be connected with dedicated signaling between core net.
Described BSSN is more than one, the corresponding default BSSN of described BS,
Described BS is further used for selecting other BSSN when described default BSSN fault;
Described BSSN further comprises: the migration controller module, be used to receive the migration request that comes from the SGW module, and return to the SGW module and show the migration request response of accepting this migration request, and carry out migration operation.
Described BSSN further comprises: the BroadCast MultiCast Service server module, be used to receive the Multimedia Broadcast Multicast Service request that user terminal sends by the MAC/PHY module, return the response that comprises the Multimedia Broadcast Multicast Service list information to user terminal by the base station, send authentication request message to user terminal by the MAC/PHY module, receive the authentication response message that user terminal returns by the MAC/PHY module, by the MAC/PHY module send comprise multicast and broadcast downlink business parameter information message to user terminal, and send multicast broadcast service data to user terminal by the MAC/PHY module.
Described BSSN further comprises: the paging controller module, be used to receive and pass through the call request of SGW module forwards according to core net, determine the BS scope of paging, and pass through SGW module transmission message to determined each BS, notify described BS to carry out paging, and receive the paging result that BS returns, and determine whether to stop paging according to described paging result.
Described DGW further receives the business datum from core net, and described business datum is sent to user terminal by the MAC/PHY module.
Described DGW further directly receives the business datum from Internet or ASP network, and described business datum is sent to user terminal by the MAC/PHY module.
The described DGW that is connected with BS can be for more than one;
Described BSSN is further used for selecting a current DGW as BS according to Internet resources and QOS resource from described DGW, sets up service tunnel between BS and selected current DGW.
Further comprise among the described DGW: the bill module, be used for the user face data collecting charging information that sends according to BS, described charge information is reported the charge system of core net.
Described BS is by interconnected between I-BB interface and BSSN, interconnected by the I-BS interface between the described BS, interconnected by the I-BSd interface between BS and DGW, BSSN is by the protocol stack of the adaptive core net of I-BNO interface, BSSN is interconnected by I-BNd interface and DGW, and user terminal inserts BS by u interface.
The described BSSN that is connected with BS is more than one, and is interconnected by the I-BSSN interface between described BSSN.
In the WiMAX Access Network that comprises BS, BSSN and DGW module that the present invention program provided, the signaling and the user face protocol stack of and core net adaptive by BSSN and DGW make the minimum that influences that operator's core net is subjected to.
In the Access Network provided by the invention, each BS can link to each other with a plurality of BSSN at chain of command, thereby can avoid causing the situation of large tracts of land Access Network paralysis to take place, guarantee the operation robustness of WiMAX Access Network, for whole network provides disaster tolerance mechanism preferably because of a BSSN crashes.
In the Access Network provided by the invention, each BS can link to each other with a plurality of DGW at user's face, provides BS to choose the approach that different back-end network DGW is linked into core net neatly according to the self-optimization principle of network.
DGW provided by the invention can directly insert Internet with the user face data of BS, all right further collecting charging information, and the charge information of collecting is offered the aaa server of operator, both guaranteed finishing of billing function, can not cause of the impact of the higher traffic carrying capacity of broadband data service again to the existing core net of operator, also upgrade, realized fusion more neatly with existing core net without existing equipment.
DGW provided by the invention directly foundation is connected example with user's face of Internet or ASP network, and directly receive business datum from Internet or ASP network, resulting business datum is sent to user terminal by the MAC/PHY module, simplified the transmission of business datum, promptly do not need as prior art user face data is connected to operator's core net, be connected to Internet or ASP network by core net again, thereby allow operator, particularly small-scale operator or virtual operator can be only with some equipment directly related with network operation of subordinate, such as authentication server and charge system etc., can realize operation.
Among the present invention program, can be interconnected between all neighbor bss by the I-BS interface of logic OR physics, to finish functions such as information interaction and switching, guaranteed the flexibility of switching controls between BS.
Access Network provided by the present invention also is with a wide range of applications; the WiMAX Access Network can make full use of the existing business model of operator, and the cost of arranging net has been saved in the investment of protection operator; improve the cloth net spee of WiMAX, accomplished runing and can managing of WiMAX network.And new wireless access network or access technology are when inserting the core net of existing operator, only need do according to the standard interface of BSSN standard and DGW standard, or the function of this BSSN carried out modification seldom or adjust getting final product, thereby reduced a lot of standardization efforts.
In addition, the present invention can make things convenient for multiple wireless access network and the existing core net business of wireless access technology access carrier, make things convenient for the user to pass through the polytype terminal and use the existing business of operator, and professional a large amount of uses can both improve the profit space of Virtual network operator usually.
Description of drawings
The structural representation of the WiMAX Access Network that Fig. 1 provides for the present invention program;
Fig. 2 is the present invention's access network architecture schematic diagram after the enhancement function in Access Network shown in Figure 1;
The WiMAX Access Network that Fig. 3 provides for the present invention program inserts the schematic diagram of WCDMA core net.
Embodiment
The wireless network that the present invention program provided separates at chain of command and user's face, and this network comprises base station (BS), BS service node (BSSN) and user plane gateway (DGW), and wherein, BS has MAC﹠amp; The PHY logic function, and be connected with BSSN and DGW respectively; Comprise signaling plane gateway (SGW) module among the BSSN, finish adaptive with the core network protocols stack by this SGW module, and mutual with the signaling protocol of BS; Comprise the DGW module among the DGW, the user data that BS sends is sent to core net by the DGW module.
Specifically, this wireless access network as shown in Figure 1, comprise BS, BSSN and DGW module, wherein comprise the MAC/PHY module in the BS module, described MAC/PHY module sends to BSSN with this terminal use's authentication information after the user that accesses terminal, and after receiving the result that authentication that BSSN returns passes through, and when having professional connection to set up, send service request, and send user face data to DGW according to the service tunnel information that BSSN returns to BSSN.
Comprise the SGW module in the BSSN module, this module is finished and the adaptive of core network protocols stack and mutual with the signaling protocol of BS, it is mutual that the SGW module specifically is used for the authentication information and the core net of sending according to the MAC/PHY module, this user terminal is carried out authentication, and the authentication result sent to BS, and the service request of sending according to the MAC/PHY module is for setting up service tunnel between this BS and the DGW, and returns service tunnel information to this BS.In more detail, it is mutual that this SGW module is used for the authentication information and the core net of sending according to the MAC/PHY module, this user terminal is carried out authentication, and the authentication result sent to the MAC/PHY module, and receive the service request that the MAC/PHY module is sent, and set up self according to described service request and be connected with dedicated signaling between core net with the MAC/PHY module, and send service request to core net, reception and the business foundation request that issues according to core net, send the notice of user interface instance between foundation and core net to DGW, and notify the MAC/PHY module business datum that foundation is eated dishes without rice or wine to connect.
The user face data that the DGW module is then sent BS sends to Internet.
Above-mentioned several module has promptly constituted wireless access network.
In addition, because user terminal often need switch between different BS, therefore can further include switch controller (HO Controller) module among the above-mentioned BS, finish controls such as the coordination of eating dishes without rice or wine to switch, decision-making by this module, promptly finish logic functions such as scheduling controlling.The pre-operation of eating dishes without rice or wine to relate in the handoff procedure is all by the interface transmission between BS.Be used to receive the measurement report of the neighbor cell signal quality that user terminal reports by the MAC/PHY module, and according to the definite candidate target BS of described strategy report, can the resource that determined candidate target BS is sent this BS of information query by SGW satisfy situation and terminal and switch required quality of service and be guaranteed, selected final objective BS, issue switching execution information by the MAC/PHY module and give user terminal, reception and the message of returning according to user terminal that switches to target BS, indication discharges the interface-free resources of the current use of MAC/PHY module, sends the migration that message indication SGW module is carried out signaling interface and interface in the user plane between BS and core net to the SGW module.
Base station wireless resource administration module (BRRM) and common radio resources administration module (CRRM) can also further be set among the BSSN, the BRRM module provides the local wireless sources management function, be used for the service request distributing radio resource of sending according to BS, the CRRM module relates between the inner a plurality of BS of WiRAN and the management and the scheduling of the Radio Resource between the WiRAN, and the management of QOS etc., the resource allocation request that is used for according to the SGW module is the SGW Resources allocation.SGW module in the BSSN module then is further used for the service request that BS sends is sent to BRRM, sets up self according to the BRRM assigned radio resource and is connected with the dedicated signaling of BS intermodule; And send resource allocation request to the CRRM module, set up self according to the resource of CRRM module assignment and be connected with dedicated signaling between core net.
In the Access Network provided by the present invention a plurality of BSSN can be arranged, be can be the relation of multi-to-multi between BSSN and BS, can meet a plurality of BS under the BSSN, each BS can link to each other with a plurality of BSSN at chain of command, to reduce the destruction that Single Point of Faliure may cause network.But at chain of command, a BS has only a BSSN to be attached thereto at each constantly, and promptly each BS has the BSSN of an acquiescence, under the normal situation of acquiescence BSSN, BS accepts the control of this BSSN, if should give tacit consent to the BSSN fault, then can select new BSSN according to certain algorithm.That is to say, BS can move between a plurality of BSSN, so migration controller module (Relocation Controller) can also further be set in the BSSN module, be used to receive the migration request that comes from the SGW module, return to the SGW module and to show the migration request response of accepting this handoff request, and the execution migration operation, this just requires SGW to send migration request to this module, and receives the response message that this module is returned.
In the BSSN module BroadCast MultiCast Service server module (MBSServer) can also be set further, this module is used to finish the scheduling and the process processing of MBS business, and the issuing of MBS business, specifically, this module is used to receive the Multimedia Broadcast Multicast Service request that user terminal sends by the MAC/PHY module, return the response that comprises the Multimedia Broadcast Multicast Service list information to user terminal by the base station, send authentication request message to user terminal by the MAC/PHY module, receive the authentication response message that user terminal returns by the MAC/PHY module, by the MAC/PHY module send comprise multicast and broadcast downlink business parameter information message to user terminal, and send multicast broadcast service data to user terminal by the MAC/PHY module.This MBS Server module can distributedly be present near the Access Network as required, a MBS Server module can directly link to each other with a plurality of BSSN or BS in logic, the part wireless core network is supported this module at present, therefore this module can be set as required.
Described BSSN module can also further be provided with paging controller module (Paging Controller), this module is used to finish the scheduling of issuing of paging control messages and paging and handles, specifically, this module is used to receive and pass through according to core net the call request of SGW module forwards, determine the BS scope of paging, and pass through SGW module transmission message to determined each BS, notify described BS to carry out paging, and receive the paging result that BS returns, and determine whether to stop paging according to described paging result.This Paging Controller module also can distributedly be present near the Access Network as required, a Paging Controller module can directly link to each other with a plurality of BSSN or BS in logic, present most of wireless core network is all supported this module, therefore this module can be set as required.
For DGW, it is as the data surface gateway, and the data surface business of BS and back-end network all needs by this DGW.According to the network design scheme, DGW can link to each other with the existing core net of operator, by the user face protocol stack of the existing core net of the adaptive operator of DGW, such as, the user face protocol stack of the IU-PS interface of WCDMA core net; Can also link to each other with some logical functional entity of operator existing core net, provide some function by existing core net, such as authentication or charging.DGW can also directly insert Internet.
In addition, DGW can also be further used for setting up the user interface instance that carries out professional transmission with core net, and receives the business datum from core net, and described business datum is sent to user terminal by the MAC/PHY module.
This DGW is foundation and Internet or application service provider (ASP directly, Applicationservice provider) user's face of network connects example, and directly reception sends to user terminal with resulting business datum by the MAC/PHY module from the business datum of Internet or ASP network.
For guaranteeing that network can self-optimization, therefore more than one DGW can be set in Access Network of the present invention, each BS can link to each other with a plurality of DGW at user's face simultaneously, BS can satisfy the network route approach that indexs such as situation and time delay decide the rear end according to system resource, the QOS of rear end DGW like this, optimizing whole network better, thereby satisfy the needs of QOS.Therefore, also need BSSN from described DGW, to select a current DGW, and between BS and selected current DGW, set up service tunnel according to Internet resources and QOS resource as BS.
Can further include bill (Billing) module among the DGW, this module is used for the user face data collecting charging information that sends according to BS, described charge information is reported the charge system of core net.
Above-mentioned BSSN module can be passed through the adaptive core network protocols stack of I-BNO interface, comprises the agreement of transmission network layer protocol, wireless network layer, and high-rise application protocol; BSSN also carries out signaling and data interaction by I-BSSN interface and other BSSN, finishes the functions such as switching, migration and data forwarding between different B SSN.Then interconnected by the I-BB interface between BS and BSSN, interconnected by the I-BS interface between BS, interconnected by the I-BSd interface between BS and DGW, BSSN is also interconnected by I-BNd interface and DGW.The user terminal of MSS and SS and so on then inserts BS by u interface.
Above-mentioned structure to the WiMAX Access Network after BS, BSSN and the DGW enhancement function as shown in Figure 2.
The Access Network that the present invention program provided inserts the WCDMA core net as shown in Figure 3.BSSN links to each other with the aaa server of WCDMA core net, for the WiMAX network terminal provides the authentication function, is convenient to the unified management user of WCDMA operator.DGW then provides the WiMAX network terminal to insert the Internet function, charge for ease of operator simultaneously, this DGW has also finished the collection of charge information, and these information are delivered to the aaa server of operator by the interface between the aaa server of DGW and WCDMA core net, thereby finish billing function by aaa server.
The above only is the present invention program's preferred embodiment, not in order to limit protection scope of the present invention.
Claims (12)
1, a kind of micro-wave access to global intercommunication access net system is characterized in that, this system comprises base station BS, base station services Node B SSN and user plane gateway DGW at least, wherein,
BS, comprise media access control layer/physical layer MAC/PHY module, described MAC/PHY module is used for after access user terminal, the authentication information of this user terminal is sent to BSSN, and after receiving the result that authentication that BSSN returns passes through, and when having professional connection to set up, send service request, and send user face data to DGW according to the service tunnel information that BSSN returns to BSSN;
BSSN, comprise signaling plane gateway SGW module, it is mutual that described SGW module is used for the authentication information and the core net of sending according to the MAC/PHY module, this user terminal is carried out authentication, and the authentication result sent to BS, and set up self according to the service request that the MAC/PHY module is sent and be connected with dedicated signaling between core net with the MAC/PHY module, and send service request to core net, reception and the business foundation request that issues according to core net, send the notice of user interface instance between foundation and core net to DGW, and notice MAC/PHY module is set up the business datum of eating dishes without rice or wine and is connected, finished the foundation of service tunnel between BS and the DGW, and returned service tunnel information to this BS;
DGW is used for the user face data that BS sends is sent to core net or Internet.
2, system according to claim 1, it is characterized in that, described BS further comprises: the switch controller module, be used to receive the measurement report of the neighbor cell signal quality that user terminal reports by the MAC/PHY module, and determine candidate target BS according to described measurement report, can the resource that determined candidate target BS is sent this BS of information query by the SGW module satisfy situation and terminal and switch required quality of service and be guaranteed, selected final objective BS, issue switching execution information by the MAC/PHY module and give user terminal, reception and the message of returning according to user terminal that switches to target BS, indication discharges the interface-free resources of the current use of MAC/PHY module, sends the migration that message indication SGW module is carried out signaling interface and interface in the user plane between BS and core net to the SGW module.
3, system according to claim 1 is characterized in that, described BSSN further comprises: base station wireless resource management BRRM module and common radio resources management CRRM module, wherein,
BRRM is used for the service request distributing radio resource of sending according to BS;
CRRM, the resource allocation request that is used for according to the SGW module is a SGW module assignment resource;
Described SGW module is further used for the service request that BS sends is sent to BRRM, sets up self according to the BRRM assigned radio resource and is connected with the dedicated signaling of BS intermodule; And send resource allocation request to the CRRM module, set up self according to the resource of CRRM module assignment and be connected with dedicated signaling between core net.
4, system according to claim 1 is characterized in that, described BSSN is more than one, the corresponding default BSSN of described BS,
Described BS is further used for selecting other BSSN when described default BSSN fault;
Described BSSN further comprises: the migration controller module, be used to receive the migration request that comes from the SGW module, and return to the SGW module and show the migration request response of accepting this migration request, and carry out migration operation.
5, system according to claim 1, it is characterized in that, described BSSN further comprises: the BroadCast MultiCast Service server module, be used to receive the Multimedia Broadcast Multicast Service request that user terminal sends by the MAC/PHY module, return the response that comprises the Multimedia Broadcast Multicast Service list information to user terminal by the base station, send authentication request message to user terminal by the MAC/PHY module, receive the authentication response message that user terminal returns by the MAC/PHY module, by the MAC/PHY module send comprise multicast and broadcast downlink business parameter information message to user terminal, and send multicast broadcast service data to user terminal by the MAC/PHY module.
6, system according to claim 1, it is characterized in that, described BSSN further comprises: the paging controller module, be used to receive and pass through the call request of SGW module forwards according to core net, determine the BS scope of paging, and send message to determined each BS, notify described BS to carry out paging by the SGW module, and receive the paging result that BS returns, and determine whether to stop paging according to described paging result.
7, system according to claim 1 is characterized in that, described DGW further receives the business datum from core net, and described business datum is sent to user terminal by the MAC/PHY module.
8, system according to claim 1 is characterized in that, described DGW is further used for directly receiving the business datum from Internet or ASP network, and described business datum is sent to user terminal by the MAC/PHY module.
9, system according to claim 1 is characterized in that, the described DGW that is connected with BS is more than one;
Described BSSN is further used for selecting a current DGW as BS according to Internet resources and quality of service QOS resource from described DGW, sets up service tunnel between BS and selected current DGW.
10, system according to claim 1 is characterized in that, further comprises among the described DGW: the bill module, be used for the user face data collecting charging information that sends according to BS, and described charge information is reported the charge system of core net.
11, system according to claim 1, it is characterized in that, described BS is by interconnected between I-BB interface and BSSN, interconnected between the described BS by the I-BS interface, interconnected between BS and DGW by the I-BSd interface, BSSN is by the protocol stack of the adaptive core net of I-BNO interface, and BSSN is interconnected by I-BNd interface and DGW, and user terminal inserts BS by u interface.
According to claim 1 or 11 described systems, it is characterized in that 12, the described BSSN that is connected with BS is more than one, interconnected between described BSSN by the I-BSSN interface.
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| CNB2005100787164A Expired - Fee Related CN100550903C (en) | 2005-06-06 | 2005-06-06 | A kind of micro-wave access to global intercommunication access net system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101017458B1 (en) * | 2007-03-12 | 2011-02-25 | 닛본 덴끼 가부시끼가이샤 | Mobile communication system and communication control method |
| CN101437223B (en) * | 2007-11-16 | 2011-11-02 | 华为技术有限公司 | Access method, system and apparatus for household base station |
| CN101198179B (en) * | 2007-12-21 | 2010-11-10 | 中兴通讯股份有限公司 | Access method for downward compatible 802.16e system |
| WO2015175581A1 (en) | 2014-05-15 | 2015-11-19 | Corning Incorporated | Aluminosilicate glasses |
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