CN103188761A - Method and device of multi-network access - Google Patents
Method and device of multi-network access Download PDFInfo
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- CN103188761A CN103188761A CN2011104537040A CN201110453704A CN103188761A CN 103188761 A CN103188761 A CN 103188761A CN 2011104537040 A CN2011104537040 A CN 2011104537040A CN 201110453704 A CN201110453704 A CN 201110453704A CN 103188761 A CN103188761 A CN 103188761A
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Abstract
The invention discloses a method and a device of multi-network access. The method includes the following steps: obtaining decision input information from the network; formulating a multi-network access strategy according to the decision input information and a preset algorithm; finishing the multi-network access of user equipment (UE) through the multi-network access strategy. Due to the fact that the multi-network access strategy is formulated according to the decision input information and the preset algorithm, the method of the multi-network access can finish the multi-network access of the UE through the multi-network access strategy, effectively improve user data throughout, and ensure that current network resources are effectively used and operation costs and operation pressure are reduced.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of many network access methods and device.
Background technology
Along with the continuous evolution of wireless communication technology and standard, mobile Packet Service has obtained huge development, and according to expectation, data service flow demand increases more than 1 times every year, reaches 1000 times in 10 years.Yet the real network of each operator is disposed the rate of rise of scale far away not as good as growth of requirement.Along with the growth of data business volume expansion type, the terminal use makes existing 2G/3G Internet resources deficient gradually to transmission rate and flow requirements, and the pressure that carrier network bears increases gradually, and the user experiences also variation thereupon.
In addition, though the network design scope based on new wireless communication technology slowly enlarges, yet the replacement of commercial network can not be accomplished in one move in actual the arranging net, in the following a very long time, because the restriction of factors such as terminal capability, business demand, operator's operation cost, the network of various technology is smooth evolutions, and 2G and 3G network will continue to provide business service in 5 to 10 years of future at least.Accordingly, Long Term Evolution (Long-Term Evolution the abbreviates LTE as) network user emerging in the coming years also can increase gradually, finally reaches comprehensive covering.
Yet because of the relation of technology and operation way, the resource of each network and customer group are also relatively independent between the wireless network resource of multiple wireless access technology (Radio Access Technology abbreviates RAT as).In the view of the user, the service quality that obtains in the network of different RAT has nothing in common with each other, and can't satisfy the business demand of user flexibility, and the user experiences not good.And in operator, multiple wireless network or multimode terminal are after having dropped into a large amount of infrastructure and equipment investment, and a lot of resources are not effectively utilized, so the Internet resources repeated construction occurred, the availability of frequency spectrum is uneven in temperature, the unequal a series of problems of heterogeneous networks load.
This process is concerning operator, whole wireless network resource has, but how to carry out integral body scheduling between the resource of diverse network, also can't solve thereby utilize existing wireless network to improve terminal use's service rate and then improve the problem that the user experiences.Concerning operator, if can't take full advantage of these Radio Resources, be the waste to resource.Therefore if can also improve the throughput of carrier network in the time of can efficent use of resources, that will be win-win situation concerning existing terminal use and operator, and will open bigger space for application and the development of wireless communication technology.
Allow multi mode terminal to insert a plurality of networks simultaneously at present and carry out transfer of data.So both can improve the absolute data throughput rate of terminal, and promote the user and experience, increase the market attractiveness to terminal client, can take full advantage of current LTE Internet resources again.
Yet the wireless signal in the residing heterogeneous networks of UE and network internal environment are all changing constantly, for a user, select to insert which network, with effective lifting user data-throughput, concerning operator, how to guarantee effectively to utilize current Internet resources and cut operating costs and run problems such as pressure still to need to be resolved hurrily.
Summary of the invention
The invention provides a kind of many network access methods and device, Internet resources can't obtain the problem of effective utilization when inserting a plurality of networks simultaneously and carry out transfer of data to solve in the correlation technique multimode terminal at least.
According to an aspect of the present invention, provide a kind of many network access methods, having comprised: obtained the decision-making input information in the network; Formulate many nets access strategy according to decision-making input information and preset algorithm; The many nets that use many nets access strategy to finish subscriber equipment (UserEquipment abbreviates UE as) insert.
Preferably, the decision-making input information of obtaining in the network comprises: receive from the information relevant with decision-making input information that reports network element, wherein, report network element can directly obtain and the relevant information of input information of making a strategic decision, and report and the relevant information of input information of making a strategic decision by present interfaces message or newly-increased interface message; According to the information relevant with decision-making input information, determine decision-making input information.
Preferably, formulating many nets access strategy according to make a strategic decision input information and preset algorithm comprises: the access of net more than first decision-making network element is the access strategy of net more than first according to the first decision-making input information and preset algorithm formulation; Net more than second inserts the decision-making network element and formulates the access strategy of net more than second according to the second decision-making input information and preset algorithm; Formulate many nets access strategy according to the access strategy of net more than first and the access strategy of net more than second.
Preferably, many nets accesses of using many nets access strategy to finish UE comprise: indicate the mode of many nets accesses of UE according to many nets access strategy by the interface message between existing network element or by newly-increased interface message, and indicate UE to carry out the shunting modes of netting up-downgoing transfer of data when inserting more.
Preferably, decision-making input information comprise following one of at least: precedence information, charging policy information, network security policy information, the Client-initiated business attribute information of the user under the ability information of the priority of the information on load of the radio signal quality information of UE, the information on load of wireless access network side, core-network side, the type of service of network support, capability information, UE, the UE.
Preferably, the radio signal quality information of UE is that UE is to the metrical information of some residential quarters covering in its geographical position of living in, wherein metrical information comprise following one of at least: the Reference Signal Received Power RSRP of Long Term Evolution LTE network, the Reference Signal Received Quality RSRQ of LTE network, universal mobile telecommunications system (Universal Mobile TelecommunicationSystem, abbreviate UMTS as) the received signal code sheet power RSCP of residential quarter, the signal energy of UMTS residential quarter and noise power ratio, the average received level Rxlev of global system for mobile communications (Global System for Mobile Communications abbreviates GSM as) residential quarter.
Preferably, the radio signal quality information of UE is to obtain measurement from UE reports.
Preferably, the information on load of wireless access network side comprise following one of at least: the Radio Resource load of wireless access network side, the bandwidth load of transport layer, the load of hardware resource.
Preferably, the information on load of wireless access network side is by wireless access network side network element the measurement of self to be obtained.
Preferably, the information on load of core-network side comprise following one of at least: the bandwidth load of transport layer, the load of hardware resource.
Preferably, the information on load of core-network side is by the core-network side network element measurement of self to be obtained.
Preferably, the type of service in the priority of the type of service of network support comprise following one of at least: service transmission rate, propagation delay time, transmission packet loss.
Preferably, the priority of the type of service of network support is preset by Virtual network operator or is safeguarded that from operation management OAM obtains.
Preferably, capability information comprise following one of at least: support many nets to merge the ability information of new technologies, the ability information of supporting high speed data transmission service, the ability information of support voice business.
Preferably, capability information is preset by Virtual network operator or is obtained from OAM.
Preferably, the UE ability information is to obtain from the reporting of UE or from the context of the UE of core net storage.
Preferably, the precedence information of the user under the UE is to obtain from the UE CAMEL-Subscription-Information of core net storage.
Preferably, charging policy information is to obtain from strategy and the charging control PCC of core net.
Preferably, network security policy information is pre-if obtain from OAM by Virtual network operator.
Preferably, the Client-initiated business attribute information comprises professional quality of service attribute, wherein Ye Wu quality of service attribute comprise following one of at least: service rate, priority, delay requirement.
Preferably, the Client-initiated business attribute information is set up in the process in business and is asked to distribute according to UE by core net.
Preferably, many nets access strategy comprise following one of at least: determine that in many nets insert the resources of a plurality of networks carry out joint transmission; In inserting, many nets determine a plurality of networks that UE is allowed to access; Needing between a plurality of networks of joint transmission to carry out the business datum of the UE that carries.
According to a further aspect in the invention, provide a kind of many nets access device, having comprised: acquisition module, for the decision-making input information of obtaining network; Formulate module, be used for formulating many nets access strategy according to decision-making input information and preset algorithm; Many nets access module, the many nets that are used for using many nets access strategy to finish UE insert.
Preferably, many nets access device is arranged in and comprises following network element one of at least: wireless access network element, the core network element of wireless access network element correspondence, core net gateway.
Preferably, acquisition module comprises: receive submodule, be used for receiving the information relevant with decision-making input information from reporting network element, wherein, report network element can directly obtain and the relevant information of input information of making a strategic decision, and report and the relevant information of input information of making a strategic decision by present interfaces message or newly-increased interface message; Determine submodule, be used for determining decision-making input information according to the information relevant with decision-making input information.
Preferably, formulate module and comprise: first formulates submodule, is used for more than first net access decision-making network elements and formulates the access strategy of net more than first according to the first decision-making input information and preset algorithm; Second formulates submodule, is used for more than second net access decision-making network elements and formulates the access strategy of net more than second according to the second decision-making input information and preset algorithm; The 3rd formulates submodule, is used for formulating many nets access strategy according to the access strategy of net more than first and the access strategy of net more than second.
Preferably, many nets access module comprises: the indication submodule, be used for according to many nets access strategy by the interface message between existing network element or the mode of indicating many nets of UE to insert by newly-increased interface message, and indication UE carries out the shunting modes of many nets up-downgoing transfer of data when inserting.
The present invention formulates many nets access strategy according to decision-making input information and the preset algorithm obtained in network, thereby many nets that can use this many nets access strategy to finish UE insert, effectively promote user data-throughput, and guarantee effectively to utilize current Internet resources and cut operating costs and run pressure.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not constitute improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is a kind of network architecture schematic diagram according to many nets connecting system of the embodiment of the invention;
Fig. 2 is the another kind of network architecture schematic diagram according to many nets connecting system of the embodiment of the invention;
Fig. 3 is the flow chart according to many network access methods of the embodiment of the invention;
Fig. 4 transmits schematic diagram according to the decision-making input information of the embodiment of the invention;
Fig. 5 is the schematic diagram according to many nets of formulation access strategy of the embodiment of the invention;
Fig. 6 is the schematic flow sheet according to many network access methods of the preferred embodiment of the present invention one;
Fig. 7 is the schematic flow sheet according to many network access methods of the preferred embodiment of the present invention two;
Fig. 8 is the schematic flow sheet according to many network access methods of the preferred embodiment of the present invention three;
Fig. 9 is the structured flowchart according to many nets access device of the embodiment of the invention;
Figure 10 is the structured flowchart one of many nets access device according to the preferred embodiment of the invention;
Figure 11 is the structured flowchart two of many nets access device according to the preferred embodiment of the invention;
Figure 12 is the structured flowchart three of many nets access device according to the preferred embodiment of the invention.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
At first introduce the network architecture of two kinds of typical many nets connecting systems.Many network access methods provided by the present invention are based on the following network architecture.
Fig. 1 is a kind of network architecture schematic diagram that inserts (or claiming many nets to merge) system according to many nets of the embodiment of the invention, as shown in Figure 1, this many nets connecting system comprises: a plurality of wireless access network elements and corresponding a plurality of core network elements, and unified core net gateway and multi-module radio terminal.Wherein multi-module radio terminal can be visited reception and transmission that external network carries out data at last by the unified core net gateway of a plurality of network insertions of different RAT.Particularly, multi-module radio terminal inserts the wireless access network element of a plurality of different RAT by wave point, each wireless access network element can be separately sends to the core net gateway by core network element with the upstream data of terminal, perhaps downlink data receiving and be transmitted to the wireless multi-mode terminal.And then multi-module radio terminal also can be linked into different core net gateways by a plurality of nets of a plurality of different RAT, and through different core network gateway access external network, its network architecture as shown in Figure 2.
Particularly, the process of transmitting of descending (namely mailing to the wireless terminal direction from network side) data, the core net gateway can be diverted to downlink data on the network of one or more different RAT of access, and sends to the wireless multi-mode terminal by the wireless access network element of correspondence.For the process of transmitting of up (namely mailing to the network side direction from wireless terminal) data, multi-module radio terminal can send to the core net gateway with the network of upstream data by one or more different RAT of access.
Wherein, for the shunting mode of downlink or uplink data can include but not limited to following one of at least: shunt according to type of service; Shunt according to Business Stream attribute (for example, Ye Wu service quality (Quality of Service abbreviates QoS as) information); Shunt according to professional corresponding RAB (Radio Access Bearer abbreviates RAB as).
Wherein, different RAT networks, the communication network that comprises all current known wireless access technologys, for example, based on the 2G network of GSM, perhaps based on the 3G network of UMTS, perhaps based on the LTE network of evolved packet system (Evolved Packet System), perhaps based on WLAN (wireless local area network) (WirelessLocal Access Network abbreviates WLAN as) of Wireless Fidelity (Wireless Fidelity abbreviates WiFi as) etc.
Wherein, the wireless access network element can be one of following in different networks: the base station sub-system in existing GSM network (Base Station Subsystem abbreviates BSS as) equipment; RNS in the UMTS network (Radio Network Subsystem abbreviates RNS as) equipment; Evolution base station in the LTE network (Evolved NodeB abbreviates eNB as) equipment; Access point in wlan network (Access Point abbreviates AP as) etc.
Wherein, the core network element of wireless access network element correspondence, can corresponding existing 2G/3G/LTE etc. core network element in the network, concrete can comprise one of following: in the UMTS network, comprise service universal grouping wireless business supporting node (Serving GPRS Support Node, abbreviate SGSN as), can mobile management entity (MobilityManagement Entity in the LTE network, abbreviate MME as) and/or gateway (Serving Gateway, abbreviate S-GW as), in wlan network, comprise evolution packet data gateway (Evolved Packet Data Gateway abbreviates ePDG as) etc.
Wherein, the core net gateway refers to mobile communications network to the gateway of external network interface, and wherein, external network comprises PSTN (Public Switched Telephone Network abbreviates PSTN as) or IP network.Preferably, the gateway node of above-mentioned core net gateway in can the communication network of multiplexing current each wireless access technology.For example, can be 2G network packet territory (PacketSwitch, abbreviate PS as) in ggsn (GatewayGPRS Support Node, abbreviate GGSN as), or the GGSN node in the PS territory of 3G, or the grouped data network gateway in the LTE network (Packet Data Network Gateway abbreviates P-GW as) or gateway (Serving Gateway abbreviates S-GW as) node etc.Also can adopt the gateway node (for example, the new comprehensive gateway of introducing) of new introducing to form, this node can be supported the network of different RAT, and namely this node is that different wireless networks is shared, and with different wireless network connection is arranged.
Wherein, multi-module radio terminal namely can be supported the UE of multiple RAT.
Based on the above-mentioned network architecture, the invention provides a kind of many network access methods, Fig. 3 is the flow chart according to many network access methods of the embodiment of the invention, as shown in Figure 3, comprises that following step S302 is to step S306.
Step S302 obtains the decision-making input information in the network.
Step S304 formulates many nets access strategy according to decision-making input information and preset algorithm.
Step S306, the many nets that use many nets access strategy to finish UE insert.
In the correlation technique, multimode terminal inserts a plurality of networks simultaneously when carrying out transfer of data, and Internet resources can't obtain the most effective utilization.The present invention formulates many nets access strategy according to decision-making input information and the preset algorithm obtained in network, thereby many nets that can use this many nets access strategy to carry out UE insert, effectively promote user data-throughput, and guarantee effectively to utilize current Internet resources and reduced operation cost and operation pressure.
As optimized technical scheme, step S302 can also obtain decision-making input information by receiving from the information relevant with decision-making input information that reports network element, such as, when many nets access device can't directly obtain required decision-making input information, can obtain decision-making input information by the relevant information that reports reported by network elements.Concrete steps are as follows: receive from the information relevant with decision-making input information that reports network element, wherein, report network element can directly obtain and the relevant information of input information of making a strategic decision, and report and the relevant information of input information of making a strategic decision by present interfaces message or newly-increased interface message; According to the information relevant with decision-making input information, determine decision-making input information.
In addition, report the reported by network elements information can be by existing interface message or newly-increased interface message.Such as, many nets access device is core net MME, if MME needs the information on load of eNB side, then can the information on load of this base station (comprising Radio Resource, transport layer bandwidth, hardware load) be sent to MME by carry corresponding information on load in existing S1 interface signaling (such as eNBConfiguration Update message) by eNB; If MME need obtain the information on load of other core network elements, then can the core net information on load be sent to this MME by the signaling of other core network elements by the interface between the core net (such as the S3 interface).
Step shown in Figure 3 is that net more than inserts the execution of decision-making network element, as another kind of optimal way, can consider that a plurality of many nets insert the decision-making network element and carry out jointly, concrete steps are as follows: net more than first inserts the decision-making network element and formulates the access strategy of net more than first according to the first decision-making input information and preset algorithm; Net more than second inserts the decision-making network element and formulates the access strategy of net more than second according to the second decision-making input information and preset algorithm; Formulate many nets access strategy according to the access strategy of net more than first and the access strategy of net more than second.That is to say, formulate different many nets access strategies respectively by a plurality of decision-making network elements, final many nets access strategy is the co-operating results of a plurality of decision-making network elements.It should be noted that above-mentioned steps only illustrates, be not limited to net more than two and insert the decision-making network element.
As shown in Figure 4, the decision-making network element is when formulating many nets access strategy, need to collect corresponding decision-making input information, the decision-making network element can different network elements be collected different decision-making input information from network, network element make a strategic decision then according to the decision-making input information of grasping and default many nets of the final output of algorithm convergence strategy, as shown in Figure 5.
Need to prove, decision-making network element among Fig. 4 and Fig. 5 is the logic signal of a functional entity, in the system of reality, many nets insert the decision-making network element, can be the network element in the network architecture illustrated in figures 1 and 2, such as being wireless access network element (for example certain eNB or the RNS of the current access of UE), also can be corresponding core network element (MME for example,, S-GW, SGSN, MSC etc.), or core net gateway (for example S-GW, P-GW, GGSN etc.).Certainly, the decision-making network element also can be the new network element of introducing in the above-mentioned network architecture.
Preferably, step S306 comprises: indicate or coordinate the mode that many nets of UE insert according to many nets access strategy by the interface message between existing network element or by newly-increased interface message, and indicate UE to carry out netting the shunting modes of up-downgoing transfer of data when inserting, thereby can realize dynamic many nets joint transmission (or claiming to net fusion) more more.
Preferably, decision-making input information comprise following one of at least: precedence information, charging policy information, network security policy information, the Client-initiated business attribute information of the user under the ability information of the priority of the information on load of the radio signal quality information of UE, the information on load of wireless access network side, core-network side, the type of service of network support, capability information, UE, the UE.
Below above-mentioned decision-making input information is described in detail.
(1) the radio signal quality information of UE (being the residing radio environment information of UE) is that UE is to the metrical information of some residential quarters covering in its geographical position of living in, wherein metrical information comprise following one of at least: the Reference Signal Received Power of Long Term Evolution LTE network (Reference Signal Receiving Power, abbreviate RSRP as), the Reference Signal Received Quality of LTE network (Reference Signal Receiving Quality, abbreviate RSRQ as), the received signal code sheet power of universal mobile telecommunications system UMTS residential quarter (Received Signal Chip Power, abbreviate RSCP as), the signal energy of UMTS residential quarter and noise power ratio (Ec/No), the average received level of global mobile communication GSM residential quarter (Received SignalLevel abbreviates Rxlev as).The radio signal quality information of above-mentioned UE is obtained can reporting from the measurement of UE.
(2) information on load (being the situation that takies of the various resources of RAN side) of wireless access network (Radio Access Network abbreviates RAN as) side comprise following one of at least: the bandwidth load (such as the bandwidth occupancy of S1 mouth or Iu mouth back haul link) of the Radio Resource load of wireless access network side (such as the situation that takies of the running time-frequency resource of eNB or RNS etc.), transport layer, the load of hardware resource (such as the load that takies load or baseband processing unit of central processing unit etc.).The information on load of above-mentioned wireless access network side can obtain the measurement of self by wireless access network side network element.
(3) information on load of core-network side (being the situation that takies of the various resources of core-network side) comprise following one of at least: the load of the bandwidth load of transport layer (such as the bandwidth occupancy of core network element interface link), hardware resource (such as the load that takies load or baseband processing unit of central processing unit etc.).The information on load of above-mentioned core-network side can obtain the measurement of self by the core-network side network element.
(4) type of service in the priority of the type of service of network support comprise following one of at least: service transmission rate, propagation delay time, transmission packet loss.Preferentially support high speed data transmission service such as the LTE network, next supports the low data service that postpones of low rate; The preferential support voice business of GSM network, next supports low-rate data business etc.The priority of the type of service of above-mentioned network support is can be by Virtual network operator default or safeguard that from operation management (Operation Administration andMaintenance abbreviates OAM as) network element place obtains.
(5) capability information comprise following one of at least: support many nets to merge the ability information of new technologies, the ability information of supporting high speed data transmission service, the ability information of support voice business.Whether support many nets to merge new technologies such as certain LTE network, whether certain UMTS network supports high speed data transmission service, whether certain LTE network support voice business etc., and above-mentioned capability information is can be by Virtual network operator default or obtain from OAM.
(6) UE ability information, be UE to the tenability of different RAT type networks, can be from the reporting of UE or from the context of the UE of core net storage, obtain.
(7) precedence information of the user under the UE, grade when being the service execution by user under the different UEs, lower such as domestic consumer's access network priority, and the VIP User Priority is higher, this user priority information can be obtained from the UE CAMEL-Subscription-Information of core net storage.
(8) charging policy information, refer to the difference of the charging way that UE carries out when carrying out different business in heterogeneous networks, average rate are low in UMTS when carrying out high speed data transmission service such as UE in the LTE network, and the rate of UE in the GSM network are low etc. in the LTE network when carrying out speech business.This charging policy information can be located to obtain with the control (Policy and charging control abbreviates PCC as) of chargeing from the strategy of core net.
(9) network security policy information refers to that certain network ensures strategy to service security, such as certain LTE network the protective ratio of business is wanted high in the GSM network, and this network security policy information can be pre-if obtain from OAM by Virtual network operator.
(10) the Client-initiated business attribute information comprises professional quality of service attribute, wherein Ye Wu quality of service attribute comprise following one of at least: service rate, priority, delay requirement.The Client-initiated business attribute information can be set up in the process in business and be asked to distribute according to UE by core net.
Preferably, many nets access strategy comprise following one of at least: determine that in many nets insert the resources of a plurality of networks carry out joint transmission (namely needing to select the resource of which network to carry out joint transmission); In inserting, many nets determine a plurality of networks (being which network UE can insert) that UE is allowed to access; Needing between a plurality of networks of joint transmission to carry out the business datum of the UE that carries.
It should be noted that above-mentioned pre-defined algorithm can be to formulate according to operator and user's different demands, does not do concrete constraint here.Such as, the decision-making network element is the different priority weighting of each decision-making input information setting, this weight represented decision-making input information in many nets access procedure to the priority that influences of many nets access strategy, the more big explanation of weight influences more big.The network element of making a strategic decision then calculates the priority weighting sum of its every input to the different grid of each adjacency, and one or several network of selection weight maximum is netted the candidate network of access more as UE.This candidate network set of output is a kind of of many nets access strategy.
In conjunction with above-described embodiment, cite a plain example the present invention is described, for example, the decision-making network element is positioned at core net inside, the decision-making network element is that many nets access strategy that UE formulates is UE access network priority, this indication information indication UE selects the priority orders (at first selecting the GSM network when initiating speech business such as UE, secondly is the UMTS network) of network when initiating certain type service.MME sends to UE by the Non-Access Stratum signaling with this precedence information then, the network that UE need will insert according to type of service and the decision of this priority orders of initiation when initiating new business.
Be described in detail below in conjunction with the implementation procedure of example to the embodiment of the invention.
Preferred embodiment one
Fig. 6 is the schematic flow sheet according to many network access methods of the preferred embodiment of the present invention one, and as shown in Figure 6, UE is in connected state at the LTE network, is carrying out the transmission of high data rate.ENB is positioned at wireless access network as the decision-making network element.
(1) obtains decision-making input information
The information on load of this base station of eNB period measurement, comprise that Radio Resource (is Physical Resource Block (Physical ResourceBlock, abbreviate PRB as)) load, transport layer load with core network interface (being the S1 mouth), and the information on load of eNB center of inside processor (Central Processing Unit abbreviates CPU as).
ENB obtain in abutting connection with different system (different RAT) base station (such as, in abutting connection with RNS with in abutting connection with BSS) information on load, the load that comprises Radio Resource (being Physical Resource Block PRB), with the transport layer load of core network interface (being Iu mouth or A mouth), and the information on load of inside of base station hardware CPU.The method of obtaining can be eNB request adjoining base station report information on load, the above-mentioned information of adjoining base station periodic report then, all information are all passed through wireless access network information management (the RAN Information Management between eN B and RNS and the BSS, abbreviate RIM as) the message transmission, this message is transparent to core net.
ENB obtains the information on load of core net, comprises the information on load of the hardware (comprising CPU or other hardware handles unit) of the transport layer load of MME and other network element interfaces and MME.This information can be by existing S1 message between eNB and the MME or newly-increased message transmission, such as passing through MME configuration update message (MME Configuration Update).Alternatively, eNB also can only obtain the state information whether MME transships, and this information can utilize existing overload to begin/stop (Overload Start/Stop) message transmission.Further, eNB also can obtain other in abutting connection with the information on load of the core net of different system, such as obtaining in abutting connection with the information on load of UMTS network and GSM server net SGSN.This information can be transmitted to eNB by MME by SGSN.
During UE carried out transfer of data, eNB received the measurement report of UE, comprising to the measurement report of this residential quarter with to the measurement report of adjacency UMTS residential quarter and GSM residential quarter.
(2) formulate many nets access strategy
ENB judges that current area can't satisfy the QoS demand of the transfer of data of UE, therefore determines to carry out transfer of data for UE selects the another one residential quarter thereby allow UE can insert other residential quarters.
ENB judges that according to the UE measurement report UMTS residential quarter signal quality with respect to the GSM residential quarter is better, and the load of RNS is lighter, so eNB selection UMTS residential quarter as netting the candidate cells that merge, and decision will be carried the load bearing migration of data flow 1 to the UMTS residential quarter more.
(3) carry out many nets access strategy
ENB sends many nets to UE and merges indication, indicates this UE to insert selected UMTS residential quarter, and particularly, eNB can pass through handoff procedure, with all or part load bearing migration of UE to the UMTS residential quarter of selecting.
Further, core network element MME (or SGSN) in the network also can be used as the decision-making network element, similarly, need other network elements, comprise eNB, RNS, BSS, and UE and SGSN (or MME) pass to MME with the decision-making input information of obtaining on each node, draws final many nets access strategy by MME according to algorithm then.
Preferred embodiment two
Fig. 7 is the schematic flow sheet according to many network access methods of the preferred embodiment of the present invention two, as shown in Figure 7, UE is in connected state at LTE network and wlan network, and carrying out the transmission of high speed data transmission service a1 and speech business a2 at the LTE network, carrying out the transmission of data service b1 at wlan network.Wherein S-GW/P-GW is as the decision-making network element.The idiographic flow of this preferred embodiment is as follows:
(1) obtains decision-making input information
Wireless access network element eNB and AP measure the information on load of this base station, the load that comprises Radio Resource, transport layer load with core network interface, and the information on load of eNB internal hardware CPU, and report MME and ePDG respectively, be transmitted to S-GW/P-GW by MME and ePDG by core network interface (such as S2a interface and S2b interface) then.This reports configurations such as process and report cycle to be disposed to eN B and AP by signaling by S-GW/P-GW.
MME and ePDG measure the information on load of this network element, the information on load etc. that comprises the hardware (comprising CPU or other hardware handles unit) of transport layer load between MME/ePDG and other network elements and MME/ePDG, and this information passed to S-GW/P-GW by core network interface (such as S2a interface and S2b interface).This transmittance process can be that core net is spontaneous, also can be by S-GW/P-GW by signaling request or triggering.
S-GW/P-GW obtains the charging policy information of this UE to PCC.
(2) formulate many nets access strategy
S-GW/P-GW judges that the core network element ePDG of current WLAN residential quarter and access network elements AP load lighter, and UE charges cheap in the relative LTE of data service billing residential quarter in the WLAN residential quarter, therefore determine that the WLAN residential quarter is the priority cell of data service, UE need be moved to the WLAN residential quarter in the data service of LTE network.
(3) carry out many nets access strategy
S-GW/P-GW indication ePDG sets up carrying in the WLAN residential quarter, and the data service a1 in the LTE network is sent to UE by this carrying, and the LTE of S-GW/P-GW indication simultaneously network discharges the professional corresponding carrying of a1.
Preferred embodiment three
Fig. 8 is the schematic flow sheet according to many network access methods of the preferred embodiment of the present invention three, and as shown in Figure 8, UE is in connected state at the LTE network.Wherein MME also exists the residential quarter of GSM to cover as the decision-making network element in the residing geographical position of UE.
(1) obtains decision-making input information
ENB measures the information on load of this base station, and (be Physical Resource Block, load PRB) is loaded with the transport layer of core network interface (being the S1 mouth), and eNB center of inside processor (Central Processing Unit, information on load CPU) to comprise Radio Resource.And report MME by S1 interface message (such as up direct-sending message).
ENB obtains in abutting connection with the information on load of different system (different RAT) base station (such as adjacency BSS), comprises the load of Radio Resource, with the transport layer load of core network interface (being Gb mouth or A mouth), and the information on load of inside of base station hardware CPU.The method of obtaining can be that the eNB request is in abutting connection with BSS report information on load, then in abutting connection with the above-mentioned information of BSS base station periodic report, all information are all by (the RAN Information Management of the wireless access network information management between eNB and the BSS, RIM) message transmission, this message is transparent to core net.ENB is transmitted to MME with the information on load of adjoining base station by the S1 interface message then.
ENB obtains the measurement report of UE, comprising to the measurement report of this residential quarter with to the measurement report of adjacency GSM residential quarter.This measurement reports process to be disposed by existing procedure by eNB.ENB is transmitted to MME with this measurement result by S1 mouth message then.
MME obtains this network element and in abutting connection with the information on load of core network element (SGSN), comprises the information on load of transport layer load and hardware (comprising CPU or other hardware handles unit).Information on load in abutting connection with SGSN can pass to MME by S3 interface message (such as forward direction reorientation message).
MME obtains in abutting connection with GSM network support service priority to OAM, and user's precedence information.
(2) formulate many nets access strategy
MME is according to decision-making input information, the load of judging GSM cell base station BSS is low than eNB, and the professional and low-rate data business of the preferential support voice of GSM network support, and user's priority is lower, therefore select priority for UE has formulated network, wherein indicate preferential selection GSM residential quarter when professional for the speech business of the follow-up new initiation of UE and low-rate data.And this indication information sent to UE by non-access layer information;
(3) carry out many nets access strategy
When UE prepared to initiate new speech business and low-rate data business, UE preferentially selected the GSM residential quarter to insert, and set up professional the connection.
Need to prove, can in the computer system such as one group of computer executable instructions, carry out in the step shown in the flow chart of accompanying drawing, and, though there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
The embodiment of the invention provides a kind of many nets access device, and this many nets access device can be used for realizing above-mentioned many network access methods.Fig. 9 is the structured flowchart according to many nets access device of the embodiment of the invention, as shown in Figure 9, comprises acquisition module 92, formulates module 94 and many nets access module 96.Below its structure is described in detail.
Preferably, this many nets access device is arranged in and comprises following network element one of at least: wireless access network element, the core network element of wireless access network element correspondence, core net gateway.
Figure 10 is the structured flowchart one of many nets access device according to the preferred embodiment of the invention, as shown in figure 10, acquisition module 92 comprises: receive submodule 922, be used for receiving the information relevant with decision-making input information from reporting network element, wherein, report network element can directly obtain and the relevant information of input information of making a strategic decision, and report and the relevant information of input information of making a strategic decision by present interfaces message or newly-increased interface message; Determine submodule 924, be connected to and receive submodule 922, be used for determining decision-making input information according to receiving submodule 922 information relevant with decision-making input information that receive.
Figure 11 is the structured flowchart two of many nets access device according to the preferred embodiment of the invention, as shown in figure 11, formulating module 94 comprises: first formulates submodule 942, is used for more than first net access decision-making network elements and formulates the access strategy of net more than first according to the first decision-making input information and preset algorithm; Second formulates submodule 944, is used for more than second net access decision-making network elements and formulates the access strategy of net more than second according to the second decision-making input information and preset algorithm; The 3rd formulates submodule 946, be connected to first and formulate submodule 942 and the second formulation submodule 944, formulate many nets access strategy for the access strategy of net more than second of formulating submodule 944 formulations according to first access strategy of net more than first and second of formulating submodule 942 formulations.
Figure 12 is the structured flowchart three of many nets access device according to the preferred embodiment of the invention, as shown in figure 12, many nets access module 96 comprises: indication submodule 962, be connected to and formulate module 94, indicate the mode of many nets accesses of UE for the many nets access strategy according to 94 formulations of formulation module by the interface message between existing network element or by newly-increased interface message, and indicate UE to carry out netting the shunting modes of up-downgoing transfer of data when inserting more.
Need to prove that many nets access device of describing among the device embodiment is corresponding to above-mentioned method embodiment, its concrete implementation procedure had been carried out detailed description in method embodiment, do not repeat them here.
In sum, according to the abovementioned embodiments of the present invention, a kind of many network access methods and device are provided.The present invention formulates many nets access strategy according to decision-making input information and the preset algorithm obtained in network, thereby many nets that can use this many nets access strategy to finish UE insert, effectively promote user data-throughput, and guarantee effectively to utilize current Internet resources and cut operating costs and run pressure.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and be carried out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (27)
1. network access method more than a kind is characterized in that comprising:
Obtain the decision-making input information in the network;
Formulate many nets access strategy according to described decision-making input information and preset algorithm;
The many nets that use described many nets access strategy to finish user equipment (UE) insert.
2. method according to claim 1 is characterized in that, the decision-making input information of obtaining in the network comprises:
Receive from the information relevant with described decision-making input information that reports network element, wherein, the described network element that reports can directly obtain the information relevant with described decision-making input information, and reports the information relevant with described decision-making input information by present interfaces message or newly-increased interface message;
According to the information relevant with described decision-making input information, determine described decision-making input information.
3. method according to claim 1 is characterized in that, formulates many nets access strategy according to described decision-making input information and preset algorithm and comprises:
Net more than first inserts the decision-making network element and formulates the access strategy of net more than first according to the first decision-making input information and described preset algorithm;
Net more than second inserts the decision-making network element and formulates the access strategy of net more than second according to the second decision-making input information and described preset algorithm;
Formulate described many nets access strategy according to the described access strategy of net more than first and the described access strategy of net more than second.
4. method according to claim 1, it is characterized in that, the many nets that use described many nets access strategy to finish UE insert and comprise: indicate the mode of many nets accesses of described UE according to described many nets access strategy by the interface message between existing network element or by newly-increased interface message, and indicate described UE to carry out the shunting modes of netting up-downgoing transfer of data when inserting more.
5. according to each described method in the claim 1 to 4, it is characterized in that, described decision-making input information comprise following one of at least: precedence information, charging policy information, network security policy information, the described Client-initiated business attribute information of the user under the priority of the information on load of the radio signal quality information of described UE, the information on load of wireless access network side, core-network side, the type of service of network support, capability information, the ability information of described UE, the described UE.
6. method according to claim 5, it is characterized in that, the radio signal quality information of described UE is that described UE is to the metrical information of some residential quarters covering in its geographical position of living in, wherein said metrical information comprise following one of at least: the Reference Signal Received Power RSRP of Long Term Evolution LTE network, the Reference Signal Received Quality RSRQ of described LTE network, the received signal code sheet power RSCP of universal mobile telecommunications system UMTS residential quarter, signal energy and the noise power ratio of described UMTS residential quarter, the average received level Rxlev of global mobile communication GSM residential quarter.
7. method according to claim 5 is characterized in that, the radio signal quality information of described UE is to obtain the measurement from described UE reports.
8. method according to claim 5 is characterized in that, the information on load of described wireless access network side comprise following one of at least: the Radio Resource load of wireless access network side, the bandwidth load of transport layer, the load of hardware resource.
9. method according to claim 5 is characterized in that, the information on load of described wireless access network side is by wireless access network side network element the measurement of self to be obtained.
10. method according to claim 5 is characterized in that, the information on load of described core-network side comprise following one of at least: the bandwidth load of transport layer, the load of hardware resource.
11. method according to claim 5 is characterized in that, the information on load of described core-network side is by the core-network side network element measurement of self to be obtained.
12. method according to claim 5 is characterized in that, the described type of service in the priority of the type of service of described network support comprise following one of at least: service transmission rate, propagation delay time, transmission packet loss.
13. method according to claim 5 is characterized in that, the priority of the type of service of described network support is preset by Virtual network operator or is safeguarded that from operation management OAM obtains.
14. method according to claim 5 is characterized in that, described capability information comprise following one of at least: support many nets to merge the ability information of new technologies, the ability information of supporting high speed data transmission service, the ability information of support voice business.
15. method according to claim 5 is characterized in that, described capability information is preset by Virtual network operator or is obtained from OAM.
16. method according to claim 5 is characterized in that, described UE ability information is to obtain from the reporting of described UE or from the context of the described UE of core net storage.
17. method according to claim 5 is characterized in that, the precedence information of the user under the described UE is to obtain from the UE CAMEL-Subscription-Information of core net storage.
18. method according to claim 5 is characterized in that, described charging policy information is to obtain from strategy and the charging control PCC of core net.
19. method according to claim 5 is characterized in that, described network security policy information is pre-if obtain from OAM by Virtual network operator.
20. method according to claim 5 is characterized in that, described Client-initiated business attribute information comprises professional quality of service attribute, the quality of service attribute of wherein said business comprise following one of at least: service rate, priority, delay requirement.
21. method according to claim 5 is characterized in that, described Client-initiated business attribute information is set up in the process in business and is asked to distribute according to UE by core net.
22. according to each described method in the claim 1 to 4, it is characterized in that, described many nets access strategy comprise following one of at least:
The resource of definite a plurality of networks is carried out joint transmission in many nets insert;
In inserting, many nets determine a plurality of networks that described UE is allowed to access;
Needing between a plurality of networks of joint transmission to carry out the business datum of the described UE that carries.
23. net access device more than a kind is characterized in that comprising:
Acquisition module is for the decision-making input information of obtaining network;
Formulate module, be used for formulating many nets access strategy according to described decision-making input information and preset algorithm;
Many nets access module, the many nets that are used for using described many nets access strategy to finish UE insert.
24. device according to claim 23 is characterized in that, described many nets access device is arranged in and comprises following network element one of at least: wireless access network element, the core network element of described wireless access network element correspondence, core net gateway.
25. device according to claim 23 is characterized in that, described acquisition module comprises:
Receive submodule, be used for receiving from the information relevant with described decision-making input information that reports network element, wherein, the described network element that reports can directly obtain the information relevant with described decision-making input information, and reports the information relevant with described decision-making input information by present interfaces message or newly-increased interface message;
Determine submodule, be used for according to the information relevant with described decision-making input information, determine described decision-making input information.
26. device according to claim 23 is characterized in that, described formulation module comprises:
First formulates submodule, is used for more than first net access decision-making network elements and formulates the access strategy of net more than first according to the first decision-making input information and described preset algorithm;
Second formulates submodule, is used for more than second net access decision-making network elements and formulates the access strategy of net more than second according to the second decision-making input information and described preset algorithm;
The 3rd formulates submodule, is used for formulating described many nets access strategy according to the described access strategy of net more than first and the described access strategy of net more than second.
27. device according to claim 23, it is characterized in that, described many nets access module comprises: the indication submodule, be used for indicating the mode of many nets accesses of described UE according to described many nets access strategy by the interface message between existing network element or by newly-increased interface message, and indicate described UE to carry out the shunting modes of netting up-downgoing transfer of data when inserting more.
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