WO2016086409A1 - 一种接入方法、装置和系统 - Google Patents

一种接入方法、装置和系统 Download PDF

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Publication number
WO2016086409A1
WO2016086409A1 PCT/CN2014/093129 CN2014093129W WO2016086409A1 WO 2016086409 A1 WO2016086409 A1 WO 2016086409A1 CN 2014093129 W CN2014093129 W CN 2014093129W WO 2016086409 A1 WO2016086409 A1 WO 2016086409A1
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WIPO (PCT)
Prior art keywords
network
access
network element
fused
mobility management
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PCT/CN2014/093129
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English (en)
French (fr)
Inventor
陈伟
戚彩霞
韩耀伟
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201480080114.XA priority Critical patent/CN106416378B/zh
Priority to EP14907256.3A priority patent/EP3229530B1/en
Priority to PCT/CN2014/093129 priority patent/WO2016086409A1/zh
Priority to BR112017011421-6A priority patent/BR112017011421B1/pt
Publication of WO2016086409A1 publication Critical patent/WO2016086409A1/zh
Priority to US15/613,528 priority patent/US10165319B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/583—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using a bridge network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
    • H04W36/1443—Reselecting a network or an air interface over a different radio air interface technology between licensed networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16—Gateway arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/04—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to an access method, apparatus, and system.
  • the base station device may preferentially access the user equipment to the 4G network.
  • the user equipment may be interrupted, resulting in poor service stability and poor user experience.
  • the embodiment of the invention provides an access method, device and system for improving service stability.
  • an embodiment of the present invention provides an access method, including: a convergence mobility management network element receives an access request of a user equipment UE, where the access request is used to request access to a first network; and the convergence mobility management network element Acquiring the subscription data of the first network corresponding to the user equipment according to the access request; when the subscription data fails to be obtained, updating the consecutive cumulative number of times, the continuous accumulated number is used to indicate that the user equipment fails to access the first network continuously The cumulative number of times; when the consecutive cumulative number of times meets the preset condition, the first indication information is sent to the base station device of the second network; wherein the first indication information is used to indicate that the first network connection is no longer selected for the user equipment In.
  • the indication that the first network access is no longer selected for the user equipment may be understood as not selecting the first network access for the UE for a period of time, that is, after the time period, the base station device may re
  • the first network is preferably accessed for the UE.
  • the base station device that instructs the second network does not access the UE preferred first network, which effectively mitigates the frequent occurrence of the UE between the first network and the second network.
  • the phenomenon of switching improves the stability of the business.
  • the method further includes: sending, when the subscription data of the first network fails, the second indication information to the user equipment, the second indication information It is used to indicate that the user equipment is denied access to the first network this time.
  • the user equipment may re-request access to the first network after a period of time or immediately after receiving the second indication information.
  • the UE may be allowed to access the first network again, and the UE is connected to the first network when the access to the first network is unsuccessful.
  • the possibility of entering the first network is excluded, so that while the possibility of the UE accessing the first network is improved, the continuous access failure can be avoided, and the network impact is reduced.
  • the second indication information includes a cause value for indicating an implicit separation or a cause value for indicating an unspecified protocol error .
  • the UE may request to access the first network again.
  • the method further includes: when the subscription data is successfully acquired, the fused mobility management network element resets the consecutive cumulative number of times.
  • the base station device of the second network may be notified by the fused mobility management network element.
  • the UE may preferably be connected to the first network.
  • the method is in the hybrid mobility management network Yuan
  • the new cumulative number of consecutive times includes: the fused mobile management network element determines that the UE does not have a corresponding radio access technology access authority restriction information, or the radio access technology access authority restriction information corresponding to the UE indicates that the access is permitted.
  • the first network Exemplarily, the absence of corresponding radio access technology access permission restriction information may be understood as allowing the UE to access the first network.
  • the method further includes: when the UE accessing the radio access technology access permission restriction information indication does not allow When the first network is accessed, the fused mobility management network element sends the first indication information to the base station device.
  • the converged mobile management network element When the access control restriction information of the radio access technology exists, the converged mobile management network element first determines whether the UE can be allowed to access the first network according to the access restriction information of the radio access technology, and if the UE is allowed to access the first network, It can be further determined whether the UE can successfully access the first network, and if not allowed, the base station that can directly notify the second network does not access the UE to the first network. In this way, some UEs that are explicitly not allowed to access the first network may directly prefer to access the first network, so as to avoid meaningless repeated attempts to access the first network.
  • the first indication information includes Indicates that the cell of the first network is not switched.
  • the fused mobility management network element comprises a mobile Management entity and service general packet radio service support node.
  • the first network includes a long term evolution network .
  • the second network includes a general packet radio Business network or universal mobile communication system network.
  • an embodiment of the present invention provides a fused mobile management network element, including: a transceiver unit, configured to receive an access request of a user equipment UE, and obtain, according to the access request, a UE corresponding to the UE The subscription data of the first network, wherein the access request is used to request access to the first network, and the processing unit is configured to update the continuous cumulative number of times when the subscription data fails to be obtained; wherein the continuous accumulation The number of times is used to indicate the cumulative number of consecutive failures of the UE to access the first network; the transceiver unit is further configured to send the first indication information to the base station of the second network when the consecutive accumulated times meet the preset condition And the first indication information is used to indicate that the first network access is no longer selected for the UE.
  • the transceiver unit is further configured to: when the subscription data of the first network fails, send the second indication information to the UE, the second indication The information is used to indicate that the UE is denied access to the first network. After receiving the second indication information, the UE may re-request to access the first network after a period of time or immediately.
  • the second indication information includes a cause value for indicating an implicit separation or is used to indicate an unspecified The reason value of the protocol error.
  • the processing unit is further configured to determine the The UE does not have the corresponding radio access technology access authority restriction information or the radio access technology access authority restriction information corresponding to the UE indicates that the first network is allowed to access.
  • the absence of corresponding radio access technology access permission restriction information may be understood as allowing the UE to access the first network.
  • the transceiver unit is further configured to: when the UE accesses the wireless access technology access permission limit The information indicates that the first indication information is sent to the base station device when the first network is not allowed to access.
  • the first indication information includes Do not switch to the cell of the first network.
  • the fused mobility management network element includes mobility management Entity and Service General Packet Radio Service Support Node.
  • the first network includes a long term evolution LTE network .
  • the second network includes a general packet radio service Network or universal mobile communication system network.
  • an embodiment of the present invention further provides an access system, including the foregoing one of a convergence mobility management network element and a base station device of a second network.
  • the above system may further include a UE.
  • 3GPP Third Generation Partnership Project
  • 3GPP Third Generation Partnership Project
  • 3GPP related organization is referred to as a 3GPP organization.
  • a wireless communication network is a network that provides wireless communication functions.
  • the wireless communication network may use different communication technologies, such as, for example, code division multiple access (CDMA), wideband code division multiple access (WCDMA), and time division multiple access (English: Time division multiple access (TDMA), frequency division multiple access (FDMA), orthogonal frequency-division multiple access (OFDMA), single carrier frequency Multiple access (English: single carrier fDMA, referred to as: SC-FDMA).
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • TDMA Time division multiple access
  • FDMA frequency division multiple access
  • OFDMA orthogonal frequency-division multiple access
  • SC-FDMA single carrier frequency Multiple access
  • the network is divided into 2G (English: generation) network, 3G network or 4G network.
  • a typical 2G network includes a global system for mobile communications/general packet radio service (GSM) network or a general packet radio service (GPRS) network.
  • GSM global system for mobile communications/general packet radio service
  • the network includes a universal mobile telecommunications system (UMTS) network.
  • a typical 4G network includes a long term evolution (LTE) network.
  • the UMTS network may also be referred to as a universal terrestrial radio access network (UTRAN).
  • the LTE network may also be referred to as an evolved universal terrestrial radio access network (English: evolved universal terrestrial) Radio access network, referred to as E-UTRAN.
  • 2G networks and 3G networks are classified into one type, called 2/3G networks, and 4G networks are classified into one class.
  • the technical solutions provided in the embodiments of the present invention are described by taking a 2/3G network and a 4G network as an example.
  • embodiments of the present invention can be applied to other wireless communication networks, such as a 4.5G or 5G network.
  • embodiments of the present invention sometimes refer to a wireless communication network as a network.
  • User equipment (English: user equipment, abbreviated as UE) is a terminal device, which can be a mobile terminal device or a non-mobile terminal device.
  • the device is mainly used to receive or send business data. For example, it has the ability to receive service data transmitted in the form of MBSFN.
  • User equipment can be distributed in the network.
  • User equipments have different names in different networks, such as: terminals, mobile stations, subscriber units, stations, cellular phones, personal digital assistants, wireless modems, wireless communication devices, handheld devices, knees. Upper computer, cordless phone, wireless local loop station, etc.
  • the user equipment can communicate with one or more core networks via a Radio Access Network (RAN), for example, to exchange voice and/or data with the radio access network.
  • RAN Radio Access Network
  • the mobile management network element (English: mobile management network element, MMNE for short) is a device deployed in the core network for mobility management of the UE.
  • the mobility management network element includes a GPRS service support node (English: serving GPRS support node, SGSN for short).
  • the mobility management network element includes a mobility management entity (English: mobility management entity, Abbreviation: MME).
  • MME mobility management entity
  • the mobility management network elements of the 2/3G network and the 4G network can be deployed on the same network element, also known as the mobility management of the 2/3G network and the 4G network.
  • the network elements are combined on the same network element.
  • the network element of the mobility management network element with the 2/3G network and the 4G network is generally referred to as a converged mobility management network element.
  • a home subscriber server is a device for storing subscription data of a UE of a 4G network, and is usually deployed in a core network and connected to a mobility management network element of a 4G network.
  • the home location register is a device for storing subscription data of a UE of a 2/3G network, and is usually deployed in a core network and connected to a mobility management network element of a 2/3G network.
  • FIG. 1 is a schematic structural diagram of a networking structure according to an embodiment of the present disclosure
  • FIG. 2 is a schematic flowchart of an access method according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart diagram of another access method according to an embodiment of the present disclosure.
  • FIG. 4 is a schematic structural diagram of a convergence mobility management network element according to an embodiment of the present invention.
  • the network architecture and the service scenario described in the embodiments of the present invention are used to more clearly illustrate the technical solutions of the embodiments of the present invention, and do not constitute a limitation of the technical solutions provided by the embodiments of the present invention.
  • the technical solutions provided by the embodiments of the present invention are equally applicable to similar technical problems.
  • the following is an example of a scenario where a 2/3G network and a 4G network are deployed at the same time.
  • FIG. 1 is a schematic diagram of a network architecture for simultaneously deploying a 2/3G network and a 4G network.
  • the network architecture only shows the base station equipment BSC merging the mobile management network element, the HSS, the HLR, the 2G network, the base station equipment RNC of the 3G network, the base station equipment of the 4G network, and the UE.
  • the network element and network architecture in actual deployment will be different.
  • a person skilled in the art should be aware that the foregoing network architecture is only an example of an application scenario of the embodiment of the present invention. For example, it may also be applied to a scenario where a 2G network and a 4G network are simultaneously deployed, or a 3G network and a 4G network are simultaneously deployed. Scenes.
  • the fused mobile management network element has the functions of the MME and the SGSN, and is respectively connected to the HSS, the HLR, the BSC, the RNC, and the eNodeB.
  • the UE can support 2/3G network and 4G network, that is, support base station with 2/3G network, and base station of 4G network for wireless communication.
  • 2/3G network and 4G network that is, support base station with 2/3G network, and base station of 4G network for wireless communication.
  • base station with 2/3G network and base station of 4G network for wireless communication.
  • 4G network In an actual wireless communication network, there are a large number of UEs.
  • the HSS is used to store subscription data of the UE.
  • the HSS stores the subscription data of the UE corresponding to the 2G network, indicating that the UE can access the 2G network for service.
  • the HSS stores the subscription data of the UE corresponding to the 3G or 4G network, indicating that the UE can access the 3G network or the 4G network.
  • the user of the UE subscribes to the 2G, 3G or 4G network and may also call the UE to sign a 2G, 3G or 4G network.
  • the coverage areas of 2/3G networks and 4G networks overlap.
  • the UE may perform wireless communication with any one of the BSC, the RNC, or the eNodeB in the overlapping coverage area.
  • 4G networks Due to the commercialization of 4G networks, there are a large number of UEs in the network that can support 2/3G networks and 4G networks. However, users of these UEs may only sign 2/3G networks with operators and do not sign 4G networks. After these UEs access the 2/3G network, since these UEs support the 4G network, the base station equipment of the 2/3G network preferably accesses the 4G network for the UE. However, since these UEs do not subscribe to the 4G network, they will be denied access by the 4G network, and then these UEs will access the 2/3G network again.
  • the base station equipment of the 2/3G network will preferentially access these UEs to the 4G network, causing these UEs to frequently switch between the 2/3G network and the 4G network, resulting in a ping-pong phenomenon. Causes an impact and causes business instability.
  • a buffering mechanism may be considered, that is, the UE is allowed to request access to the 4G network multiple times, but when the number of times that the UE continues to access the 4G network fails to reach the preset condition, the 2/3G may be disabled.
  • the base station preferably accesses the UE to the 4G network. In this way, the UE can be prevented from continuously switching between the 2/3G network and the 4G network, thereby improving service stability.
  • an expiration period may be set for prohibiting the UE from preferentially accessing the 4G network, so that the user of the UE may preferentially access the 4G network after signing the 4G network with the operator.
  • the above buffer mechanism may be implemented on the fused mobile management network element.
  • the above buffer mechanism may be introduced into the process of requesting access by the UE.
  • the following description will be made in conjunction with the network architecture shown in FIG. 1.
  • the UE accumulates the number of failed accesses to the 4G network three times, and then prohibits the 2/3G base station from preferentially accessing the UE to the 4G network.
  • the 4G network is used as the LTE network
  • the 2G network is the GPRS network
  • the 3G network is the UMTS network as an example.
  • FIG. 2 shows a flow diagram of an access method.
  • the above buffering mechanism is introduced in the access method shown in FIG. 2, mainly for the process of the UE accessing the 4G network for the first time and the second time.
  • the UE sends an access request to the eNodeB, that is, the UE selects the 4G network for access, where the access request is used to request access to the 4G network.
  • the UE may select a 4G network for access when the network is selected for the first time after booting, or may be accessed after the UE first accesses the 2/3G network, and then the UE selects the 4G network for access or the 2/3G base station device.
  • the UE selects a 4G network for access by redirection or handover procedure.
  • the access request may be an attach request (English: attach request) or a tracking area update (English: tracking area update (TAU) request).
  • attach request English: attach request
  • tracking area update English: tracking area update (TAU) request.
  • the eNodeB forwards the access request of the UE to the fused mobility management network element.
  • the fused mobility management network element learns that the UE requests access to the 4G network. After receiving the access request of the UE, the fused mobile management network element may request to obtain the subscription data of the 4G network corresponding to the UE. If the subscription data of the 4G network corresponding to the UE cannot be obtained, the UE is denied access to the 4G network.
  • the merging mobile management network element requesting to obtain the subscription data of the 4G network corresponding to the UE may be as shown in steps 103-104.
  • the fused mobility management network element requests the HSS to obtain subscription data of the 4G network corresponding to the UE.
  • the fused mobile management network element may send an update location request (English: update location request) to the HSS to request subscription data of the 4G network corresponding to the UE.
  • the update location request may include the UE ID of the UE (Chinese: identifier, English: identity) to indicate the subscription data of the 4G network of the UE corresponding to the UE ID.
  • the HSS returns a response message to the fused mobility management network element.
  • the merging mobile management network element may obtain the subscription data of the 4G network corresponding to the UE multiple times after the step 102, that is, after the steps 103 and 104, the fused mobile management network element does not obtain the 4G network corresponding to the UE.
  • the subscription data of the 4G network corresponding to the UE may be obtained through steps 103 and 104 again. In this way, the subscription data of the 4G network corresponding to the UE cannot be obtained due to other reasons, for example, the connection between the mobile management network element and the HSS is temporarily interrupted or the HSS is overloaded.
  • Steps 103-104 are applicable to a scenario in which a converged mobility management network element can interact with an HSS.
  • the merging mobile management network element cannot obtain the subscription data of the 4G network corresponding to the UE, that is, the subscription data of the 4G network corresponding to the UE fails.
  • the interface between the HSS of the home network of the UE and the fused mobile management NE of the network that the UE is currently roaming may not be able to interact.
  • the failure to obtain the subscription data of the 4G network corresponding to the UE may occur.
  • the RRC network device may refuse to access the 4G network, that is, the UE may request to access the UE.
  • the 4G network failed.
  • the integrated mobile management network element updates the continuous cumulative number of times.
  • the continuous cumulative number is the cumulative number of consecutive times that the fused mobile management network element rejects the UE accessing the 4G network; for example, the continuous cumulative number can be regarded as the cumulative number of consecutive failures of the subscription data of the 4G network corresponding to the UE. , where the UE requests to connect Failure to obtain the subscription data of the 4G network corresponding to the UE multiple times is considered as one acquisition failure.
  • the continuous cumulative count statistics it may be considered to set a counter for the UE on the fused mobile management network element, and set an initial value for the counter.
  • the UE may access the fused mobile management for the first time.
  • the counter is created when the 2/3G network corresponding to the network element or the UE requests the fused mobile management network element to access the 4G network for the first time, and the counter may be stored in the context corresponding to the UE.
  • the counter may be incremented by one.
  • the UE successfully accesses the 4G network the counter can be reset to an initial value. It should be understood by those skilled in the art that for the statistics of the continuous cumulative number of times, there may be other implementation manners, such as setting a down counter, and the value of the counter is decremented by 1 after each failure, which is not described herein.
  • the UE When the number of consecutive accumulations does not meet the preset condition (assuming that the preset condition is that the number of consecutive accumulations reaches 3), it indicates that the UE can be allowed to request access to the 4G network again. Therefore, it may be considered to notify the UE of the connection of the current 4G network.
  • the incoming request is rejected, but the access to the 4G network can be tried again.
  • the attempt to access the 4G network again may be attempted immediately after the access request of the 4G network is rejected, or may be tried after a period of time.
  • the implementation of the above notification can be performed by steps 106 and 107.
  • the converged mobility management network element sends a message rejecting the access to the eNodeB.
  • the eNodeB forwards the message of denying access to the UE.
  • the second indication information may be a reject reason value (which may be simply referred to as a cause value) #10 or #111, where the cause value #10 is used to indicate implicit separation (English: implicitly detached), The value #111 is used to indicate an unspecified protocol error (English: protocol error unspecified).
  • the cause value #10 and the cause value #111 are relatively mild cause values, and when the UE receives a relatively mild cause value, it attempts to access the 4G network again.
  • a relatively strong cause value such as cause value #15
  • cause value #15 is used to indicate that there is no suitable cell in the tracking area.
  • the UE receives a strong cause value, it will not try to access the 4G network again. It should be understood by those skilled in the art that the reason for the mildness is not limited to the cause value #10 or #111.
  • Steps 101-107 describe the process of the UE requesting access to the 4G network for the first time. After the first access to the 4G network fails, the cumulative number of consecutive times indicates that the cumulative number of consecutive failures of the UE to access the 4G network is one.
  • the UE may directly request to access the 4G network again, or may select the 2/3G network access to be active again or trigger the re-request to access the 4G network by the base station of the 2/3G network.
  • the process of requesting the UE to access the 4G network for the second time refer to the description of steps 101-107, and details are not described herein. Since the UE does not subscribe to the 4G network, the UE requests to access the 4G network for the second time and is also rejected. After the failure of accessing the 4G network for the second time, the cumulative number of consecutive times indicates that the cumulative number of consecutive failures of the UE to access the 4G network is two.
  • the UE sends an access request to the eNodeB.
  • the eNodeB forwards the access request of the UE to the fused mobility management network element.
  • the HSS returns a response message to the fused mobility management network element.
  • the integrated mobile management network element updates the continuous cumulative number of times.
  • steps 201-205 For details about steps 201-205, refer to steps 101-105, and no further details are provided here.
  • the number of consecutive accumulations after step 205 is updated to three times. Since the previously preset condition is that the number of consecutive accumulations reaches 3 times, the continuous accumulation number has already met the preset condition. In this case, it can be considered that the base station device notifying the 2/3G does not continue to preferentially access the UE to the 4G network, so that the UE can be continuously switched between the 2/3G network and the 4G network, thereby reducing the pressure on the network. It is also conducive to maintaining the stability of the business.
  • the base station device that is sent by the fused mobile management network element to indicate that the 2/3G base station does not preferentially access the UE to the 4G network (for convenience of description, the indication information herein may be referred to as First indication information).
  • First indication information E.g:
  • the fused mobility management network element sends the first indication information to the BSC/RNC, where the first indication information is used to indicate that the BSC/RNC no longer selects the 4G network access for the UE.
  • the fused mobile management network element can be eliminated by RAB ASSIGNMENT REQUEST
  • the first indication information is sent to the RNC by a message or a RELOCATION REQUEST message.
  • the first indication information may be represented by setting the value of the E-UTRAN Service Handover cell in the two messages to “Handover to E-UTRAN shall not be performed”.
  • the fused mobility management network element may send the first indication information to the BSC by using a Create BSS Packet Flow Context Request message or a DL-UNITDATA message.
  • the first indication information may be represented by setting the value of the Service UTRAN COO cell in the two messages to “Network initiated cell change order to E-UTRAN procedure shall be performed”.
  • the BSC/RNC After the BSC/RNC receives the first indication information, after the UE accesses the 2/3G network, the BSC/RNC does not prefer the 4G network access for the UE, so the UE does not frequently access the 2/3G network and the 4G network. Switching between networks alleviates the ping-pong phenomenon and improves the stability of the business.
  • the indication that the 4G network access is no longer selected for the user equipment can be understood as that the 4G network access is no longer selected for the user equipment for a period of time, that is, after this period of time, the base station device can be re-assigned to the user.
  • the device preferably accesses the 4G network.
  • the fused mobility management network element will also reject the UE's current access to the 4G network to notify the UE.
  • the fused mobility management network element will also reject the UE's current access to the 4G network to notify the UE.
  • the converged mobility management network element sends a message rejecting the access to the eNodeB.
  • the eNodeB forwards the message for denying access to the UE.
  • the UE's radio access technology access permission restriction information is configured in Converging the mobile management network element, that is, before step 103 or before 203, determining that the radio access technology access authority restriction information indicates that the UE is allowed to access the 4G network, and then performing subsequent steps; for example, when the UE is The radio access technology access permission restriction information is configured on the HSS, that is, after the step 104 or 204, it is determined that the radio access technology access permission restriction information indicates that the UE is allowed to access the 4G network, and then the subsequent steps are performed.
  • the fused mobility management network element may determine, when the UE requests to access the 2/3G network, whether the access restriction information of the radio access technology of the UE is allowed to be connected. If the network is not connected to the 4G network, step 208 can be directly performed to prevent the UE from being preferentially connected to the 4G network.
  • the UE in the process of the UE accessing the 4G network, the UE is allowed to access the 4G network several times, and then the 2/3G base station device is not notified that the UE is not connected.
  • the 2/3G base station device Into the 4G network, while ensuring that the UE has access to the 4G network, it can alleviate the 4G network.
  • the impact on the network caused by frequent switching between the 2/3G network and the network improves the stability of the service and enhances the user experience.
  • the existing integrated mobility management network element needs to be modified.
  • the transceiver unit 301 may be configured to receive an access request of the UE, where the request is used to request access to the first network.
  • processing unit 302 can be used to update the number of consecutive accumulations of the UE.
  • the consecutive accumulated number of times of the UE may be stored in the buffer of the processing unit 302, or may also exist in a storage unit external to the processing unit 302.
  • the transceiver unit 301 may perform the first step in step 208 when the consecutive accumulated times meet the preset condition.
  • An indication information is sent to the base station device of the second network. The first indication information is used to indicate that the first network access is no longer selected for the UE.
  • the transceiver unit 301 may send the first when the subscription data of the 4G network fails.
  • the second indication information is sent to the base station device of the second network, where the second indication information is used to indicate that the UE is denied access to the first network.
  • the UE may re-request access to the first network after a period of time or immediately after receiving the second indication information.
  • the processing unit 302 may instruct the transceiver unit 301 to send the second indication information to the base station device of the second network when the subscription data of the first network fails.
  • the processing unit 302 is further configured to reset the consecutive cumulative number of times of the UE when the subscription data of the first network corresponding to the UE is successful.
  • the transceiver unit 301 may further send the first indication information to the base station device of the second network when the radio access technology access permission restriction information corresponding to the UE indicates that the first network is not allowed to access.
  • the processing unit 302 is further configured to: when the radio access technology access permission restriction information corresponding to the UE indicates that the first network is not allowed to be accessed, instruct the transceiver unit 301 to send the first indication information to the base station of the second network. device.
  • the function of the transceiver unit 301 can be implemented by a dedicated chip through a transceiver circuit or a transceiver.
  • Processing unit 302 may be implemented by a dedicated processing chip, processing circuit, processor, or general purpose chip.
  • the system consisting of the fused mobile management network element shown in FIG. 4 and the base station equipment of the 2/3G network, or the fused mobile management network element and the 2/3G network shown in FIG. 4
  • the system consisting of the base station device and the UE can alleviate the impact of the ping-pong phenomenon on the network, improve the stability of the service, and guarantee the user experience.
  • a general purpose processor may be a microprocessor.
  • the general purpose processor may be any conventional processor, controller, microcontroller, or state machine.
  • the processor may also be implemented by a combination of computing devices, such as a digital signal processor and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a digital signal processor core, or any other similar configuration. achieve.
  • the steps of the method or algorithm described in the embodiments of the present invention may be directly embedded in hardware and processor
  • the software unit of the line or a combination of the two.
  • the software unit can be stored in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium in the art.
  • the storage medium can be coupled to the processor such that the processor can read information from the storage medium and can write information to the storage medium.
  • the storage medium can also be integrated into the processor.
  • the processor and the storage medium may be disposed in an ASIC, and the ASIC may be disposed in the UE. Alternatively, the processor and the storage medium may also be located in different components in the UE.
  • the above-described functions described in the embodiments of the present invention may be implemented in hardware, software, firmware, or any combination of the three. If implemented in software, these functions may be stored on a computer readable medium or transmitted as one or more instructions or code to a computer readable medium.
  • Computer readable media includes computer storage media and communication media that facilitates the transfer of computer programs from one place to another.
  • the storage medium can be any available media that any general purpose or special computer can access.
  • Such computer-readable media can include, but is not limited to, RAM, ROM, EEPROM, CD-ROM or other optical disk storage, disk storage or other magnetic storage device, or any other device or data structure that can be used for carrying or storing Other media that can be read by a general purpose or special computer, or a general purpose or special processor.
  • any connection can be appropriately defined as a computer readable medium, for example, if the software is from a website site, server or other remote source through a coaxial cable, fiber optic computer, twisted pair, digital subscriber line (DSL) Or wirelessly transmitted in, for example, infrared, wireless, and microwave, is also included in the defined computer readable medium.
  • DSL digital subscriber line
  • the disks and discs include compact disks, laser disks, optical disks, DVDs, floppy disks, and Blu-ray disks. Disks typically replicate data magnetically, while disks typically optically replicate data with a laser. Combinations of the above may also be included in a computer readable medium.

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Abstract

本发明实施例提供一种接入方法、装置和系统。该方法包括：融合移动管理网元接收用户设备UE的接入请求，该接入请求用于请求接入第一网络；该融合移动管理网元根据该接入请求获取该用户设备对应的该第一网络的签约数据；当获取该签约数据失败时，更新连续累计次数，该连续累计次数用于指示该用户设备接入该第一网络连续失败的累计次数；当该连续累计次数满足预设条件时，发送第一指示信息至第二网络的基站设备；其中，该第一指示信息用于指示不再为该用户设备选择该第一网络接入。通过该方法，可以提高业务稳定性。

Description

一种接入方法、装置和系统 技术领域
本发明涉及通信技术领域，特别是涉及一种接入方法、装置和系统。
背景技术
目前4G(英文：generation)网络发展迅速，在很多国家和地区在部署有2G或者3G网络的基础上，再部署4G网络。其中，2G网络和3G网络可以归为一类，称为2/3G网络。同时支持2/3G网络和4G网络的用户设备也大量普及。
在同时部署2/3G网络和4G网络的场景下，2/3G网络和4G网络的覆盖区域会有重叠。当上述用户设备移动到2/3G网络和4G网络重叠的覆盖区域时，基站设备可能会将上述用户设备优选接入到4G网络。
在该场景下，上述用户设备可能会出现业务中断的情况，导致业务稳定性差，用户体验不佳。
发明内容
本发明实施例提供一种接入方法、装置和系统，用以提高业务稳定性。
第一方面，本发明实施例提供一种接入方法，包括：融合移动管理网元接收用户设备UE的接入请求，该接入请求用于请求接入第一网络；该融合移动管理网元根据该接入请求获取该用户设备对应的该第一网络的签约数据；当获取该签约数据失败时，更新连续累计次数，该连续累计次数用于指示该用户设备接入该第一网络连续失败的累计次数；当该连续累计次数满足预设条件时，发送第一指示信息至第二网络的基站设备；其中，该第一指示信息用于指示不再为该用户设备选择该第一网络接入。
示例性的，这里指示不再为该用户设备选择该第一网络接入可以理解为在一段时间内不再为该UE选择该第一网络接入，即在这段时间后，基站设备可以重新为UE优选接入第一网络。
通过统计连续累计次数，并当连续累计次数满足预设条件时，指示第二网络的基站设备不再将UE优选第一网络接入，有效的缓解了UE在第一网络和第二网络间频繁切换的现象，提高了业务的稳定性。
结合第一方面，在第一方面的第一种可能的实现方式中，该方法还包括：当获取第一网络的签约数据失败时，发送第二指示信息至该用户设备，该第二指示信息用于指示拒绝该用户设备本次接入第一网络。示例性的。该用户设备可以在收到第二指示信息后在一段时间后或者立即重新请求接入该第一网络。
通过当获取第一网络的签约数据失败时通知UE本次接入第一网络被拒绝，可以允许UE再次接入第一网络的技术手段，相比较一次接入第一网络不成功就将UE接入第一网络的可能性排除，这样在提高UE接入第一网络的可能性的同时，又能够避免持续的接入失败，使得网络冲击减小。
结合第一方面的第一种可能的实现方式，在第二种可能的实现方式中，该第二指示信息包括用于指示隐式分离的原因值或者用于指示未指明的协议错误的原因值。
通过上述原因值可以使得UE在接入第一网络失败后，后续可以再次请求接入第一网络。
结合第一方面、第一方面的第一种可能的实现方式和第一方面的第二种可能的实现方式这三者中的一种，在第一方面的第三种可能的实现方式中，该方法还包括：当获取该签约数据成功时，该融合移动管理网元重置该连续累计次数。
获取该签约数据成功表明UE可以成功接入第一网络，因此需要重置该连续累计次数，避免错误的统计连续累计次数。
可选的，当获取该签约数据成功时，无论之前已经通知第二网络的基站设备不再为该UE优选接入第一网络，都可以考虑由融合移动管理网元通知第二网络的基站设备可以为该UE优选接入第一网络。
结合第一方面、第一方面的第一种至第三种可能的实现方式这四者中的一种，在第一方面的第四种可能的实现方式中，该方法在该融合移动管理网元更 新该连续累计次数之前还包括：该融合移动管理网元确定该UE不存在对应的无线接入技术接入权限限制信息或者该UE对应的该无线接入技术接入权限限制信息指示允许接入该第一网络。示例性的，不存在对应的无线接入技术接入权限限制信息可以理解为允许该UE接入第一网络。
结合第一方面的第四种可能的实现方式，在第一方面的第五种可能的实现方式中，该方法还包括：当该UE对应的该无线接入技术接入权限限制信息指示不允许接入该第一网络时，该融合移动管理网元发送该第一指示信息至该基站设备。
当存在无线接入技术接入权限限制信息时，融合移动管理网元先根据无线接入技术接入权限限制信息判断UE是否可以允许接入第一网络，如果允许该UE接入第一网络，可以再继续判断该UE是否能成功接入第一网络，如果不允许可以直接通知第二网络的基站不再将UE接入第一网络。这样可以将一些明确不允许接入第一网络的UE直接不再优选接入第一网络，避免无意义的重复尝试接入第一网络。
结合第一方面，第一方面的第一种至第五种可能的实现方式这六者中的一种，在第一方面的第六种可能的实现方式中，该第一指示信息包括用于指示不切换至该第一网络的信元。
结合第一方面，第一方面的第一种至第六种可能的实现方式这七者中的一种，在第一方面的第七种可能的实现方式中，该融合移动管理网元包括移动管理实体和服务通用分组无线业务支持节点。
结合第一方面，第一方面的第一种至第七种可能的实现方式这八者中的一种，在第一方面的第八种可能的实现方式中，该第一网络包括长期演进网络。
结合第一方面，第一方面的第一种至第八种可能的实现方式这九者中的一种，在第一方面的第九种可能的实现方式中，该第二网络包括通用分组无线业务网络或者通用移动通信系统网络。
结合第二方面，本发明实施例提供一种融合移动管理网元，包括：收发单元，用于接收用户设备UE的接入请求，根据所述接入请求获取所述UE对应的 所述第一网络的签约数据；其中，所述接入请求用于请求接入第一网络；处理单元，用于当获取所述签约数据失败时，更新连续累计次数；其中，所述连续累计次数用于指示所述UE接入所述第一网络连续失败的累计次数；所述收发单元还用于当所述连续累计次数满足预设条件时，发送第一指示信息至第二网络的基站设备；其中，所述第一指示信息用于指示不再为所述UE选择所述第一网络接入。
结合第二方面，在第二方面的第一种可能的实现方式中所述收发单元还用于当获取第一网络的签约数据失败时，发送第二指示信息至所述UE，该第二指示信息用于指示拒绝该UE的本次接入第一网络。UE在接收到第二指示信息后可以一段时间后或者立即重新请求接入所述第一网络。
结合第二方面的第一种可能的实现方式，在第二方面的第二种可能的实现方式中，所述第二指示信息包括用于指示隐式分离的原因值或者用于指示未指明的协议错误的原因值。
结合第二方面、第二方面的第一种和第二种可能的实现方式这三者之一，在第二方面的第三种可能的实现方式中，所述处理单元还用于当获取所述签约数据成功时重置所述连续累计次数。
结合第二方面、第二方面的第一种和第三种可能的实现方式这四者之一，在第二方面的第四种可能的实现方式中，所述处理单元还用于确定所述UE不存在对应的无线接入技术接入权限限制信息或者所述UE对应的所述无线接入技术接入权限限制信息指示允许接入所述第一网络。示例性的，不存在对应的无线接入技术接入权限限制信息可以理解为允许该UE接入第一网络。
结合第二方面的第四种可能的实现方式，在第二方面的第五种可能的实现方式中，所述收发单元还用于当所述UE对应的所述无线接入技术接入权限限制信息指示不允许接入所述第一网络时发送所述第一指示信息至所述基站设备。
结合第二方面、第二方面的第一种和第五种可能的实现方式这六者之一，在第二方面的第六种可能的实现方式中，所述第一指示信息包括用于指示不切换至所述第一网络的信元。
结合第二方面、第二方面的第一种和第六种可能的实现方式这七者之一，在第二方面的第七种可能的实现方式中，所述融合移动管理网元包括移动管理实体和服务通用分组无线业务支持节点。
结合第二方面、第二方面的第一种和第七种可能的实现方式这八者之一，在第二方面的第八种可能的实现方式中，所述第一网络包括长期演进LTE网络。
结合第二方面、第二方面的第一种和第八种可能的实现方式这九者之一，在第二方面的第九种可能的实现方式中，所述第二网络包括通用分组无线业务网络或者通用移动通信系统网络。
第三方面，本发明实施例还提供一种接入系统，包括上述融合移动管理网元之一和第二网络的基站设备。
进一步的，上述系统还可以包括UE。
本发明实施例提供的接入方法、装置和系统，通过统计连续累计次数，并当连续累计次数满足预设条件时，指示第二网络的基站设备不再将UE优选第一网络接入，有效的缓解了UE在第一网络和第二网络间频繁切换的现象，提高了业务的稳定性。
为了便于理解，示例性的给出了与部分与本发明相关概念的说明以供参考。如下所示：
第三代合作伙伴计划(英文：3rd generation partnership project，简称3GPP)是一个致力于发展无线通信网络的项目。通常，将3GPP相关的机构称为3GPP机构。
无线通信网络，是一种提供无线通信功能的网络。无线通信网络可以采用不同的通信技术，例如例如码分多址(英文：code division multiple access,简称CDMA)、宽带码分多址(wideband code division multiple access，简称WCDMA)、时分多址(英文：time division multiple access,简称：TDMA)、频分多址(英文：frequency division multiple access,简称FDMA)、正交频分多址(英文：orthogonal frequency-division multiple access,简称：OFDMA)、单载波频分多址(英文：single Carrier fDMA,简称：SC-FDMA)。根据不同网络的容量、速率、时延等因素可 以将网络分为2G(英文：generation)网络、3G网络或者4G网络。典型的2G网络包括全球移动通信系统(英文：global system for mobile communications/general packet radio service，简称：GSM)网络或者通用分组无线业务(英文：general packet radio service，简称：GPRS)网络，典型的3G网络包括通用移动通信系统(英文：universal mobile telecommunications system，简称：UMTS)网络，典型的4G网络包括长期演进(英文：long term evolution,简称：LTE)网络。其中，UMTS网络有时也可以称为通用陆地无线接入网(英文：universal terrestrial radio access network，简称：UTRAN)，LTE网络有时也可以称为演进型通用陆地无线接入网(英文：evolved universal terrestrial radio access network，简称：E-UTRAN)。通常，将2G网络和3G网络归为一类，称为2/3G网络，将4G网络单独归为一类。本发明实施例所提供的技术方案以2/3G网络和4G网络为例进行说明。本领域技术人员应知，随着技术的发展本发明实施例提供的技术方案同样可以应用于其他的无线通信网络，例如4.5G或者5G网络。为了简洁，本发明实施例有时会将无线通信网络简称为网络。
用户设备(英文：user equipment，简称：UE)是一种终端设备，可以是可移动的终端设备，也可以是不可移动的终端设备。该设备主要用于接收或者发送业务数据。例如，具备接收以MBSFN的方式传输的业务数据的能力。用户设备可分布于网络中，在不同的网络中用户设备有不同的名称，例如：终端，移动台，用户单元，站台，蜂窝电话，个人数字助理，无线调制解调器，无线通信设备，手持设备，膝上型电脑，无绳电话，无线本地环路台等。该用户设备可以经无线接入网(Radio Access Network，简称：RAN)与一个或多个核心网进行通信，例如与无线接入网交换语音和/或数据。
基站(英文：base station，简称：BS)设备，也可称为基站，是一种部署在无线接入网用以提供无线通信功能的装置。例如在2G网络中提供基站功能的设备包括基地无线收发站(英文：base transceiver station,简称：BTS)和基站控制器(英文：base station controller,简称：BSC，3G网络中提供基站功能的设备包括节点B(英文简称：NodeB)和无线网络控制器(英文：radio network controller, 简称：RNC)，在4G网络中提供基站功能的设备包括演进的节点B(英文：evolved NodeB简称：eNB)。
移动管理网元(英文：mobile management network element,简称：MMNE)是一种部署在核心网用于对UE进行移动性管理的装置。例如在2/3G网络中，移动管理网元包括GPRS业务支持节点(英文：serving GPRS support node,简称：SGSN)，在4G网络中，移动管理网元包括移动管理实体(英文：mobility management entity,简称：MME)。在同时部署2/3G网络和4G网络的场景下，可以将2/3G网络和4G网络的移动管理网元部署在同一个网元上，也称为将2/3G网络和4G网络的移动管理网元合设在同一网元上。通常将该设有2/3G网络和4G网络的移动管理网元的网元称为融合移动管理网元。
归属用户服务器(英文：home subscriber server，简称：HSS)是一种存储4G网络的UE的签约数据的装置，通常部署在核心网，与4G网络的移动管理网元相连。
归属位置寄存器(英文：home location register，简称：HLR)是一种存储2/3G网络的UE的签约数据的装置，通常部署在核心网，与2/3G网络的移动管理网元相连。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的一种组网架构示意图；
图2为本发明实施例提供的一种接入方法的流程示意图；
图3为本发明实施例提供的另一种接入方法的流程示意图；
图4为本发明实施例提供的一种融合移动管理网元的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有付出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明实施例描述的网络架构以及业务场景是为了更加清楚的说明本发明实施例的技术方案，并不构成对于本发明实施例提供的技术方案的限定，本领域普通技术人员可知，随着网络架构的演变和新业务场景的出现，本发明实施例提供的技术方案对于类似的技术问题，同样适用。
下面以同时部署2/3G网络与4G网络的场景为例进行说明。
图1是一种同时部署2/3G网络和4G网络的网络架构示意图。为了便于理解，该网络架构仅仅示出了融合移动管理网元、HSS、HLR、2G网络的基站设备BSC、3G网络的基站设备RNC、4G网络的基站设备以及UE。本领域技术人员应理解，在实际部署中的网元和网络架构会有所不同。本领域技术人员应知上述网络架构仅仅是本发明实施例的一种应用场景的举例，示例性的，也可以应用在2G网络和4G网络同时部署的场景，或者3G网络和4G网络同时部署的场景。
如图1所示：
融合移动管理网元具备MME和SGSN的功能，并且与HSS、HLR、BSC、RNC和eNodeB分别相连。
UE可以支持2/3G网络与4G网络，即支持与2/3G网络的基站，以及4G网络的基站进行无线通信。实际的无线通信网络中，有大量的UE。
HSS用于存储该UE的签约数据。当该UE的用户与移动运营商签约2G网络进行业务时，HSS中会存储该UE对应于2G网络的签约数据，表明该UE可以接入2G网络进行业务。同样，当该UE的用户与移动运营商签约3G或者4G网络进行业务时，HSS会存储该UE对应于3G或者4G网络的签约数据，表明UE可以接入3G网络或者4G网络。相应的，例如当HSS中不存在4G网络的 签约数据时，该UE接入4G网络的请求会被拒绝。为了便于叙述，UE的用户签约了2G、3G或者4G网络也可以称作该UE签约了2G、3G或者4G网络。
在同时部署2/3G网络和4G网络的场景下，2/3G网络和4G网络的覆盖区域会有重叠。该UE在重叠的覆盖区域中，可以与BSC、RNC或者eNodeB中任意一个基站进行无线通信。
由于4G网络商用不久，网络中存在大量的可以支持2/3G网络和4G网络的UE，但是这些UE的用户可能只与运行商签约了2/3G网络，并没有签约4G网络。当这些UE接入2/3G网络后，由于这些UE支持4G网络，2/3G网络的基站设备会为上述UE优选接入到4G网络。但是由于这些UE并没有签约4G网络，会被4G网络拒绝接入，随后这些UE会再次接入2/3G网络。再次接入2/3G网络后，2/3G网络的基站设备又会将这些UE优选接入到4G网络，导致这些UE在2/3G网络和4G网络之间频繁切换，产生乒乓现象，对网络造成冲击，造成业务不稳定。
为了解决上述问题，可以考虑建立一种缓冲机制，即允许UE多次尝试请求接入4G网络，但是当该UE累计持续接入4G网络失败的次数达到预设条件时，可以禁止2/3G的基站将该UE优选接入4G网络。这样可以避免该UE持续在2/3G网络和4G网络之间切换，提高业务稳定性。另外，对于禁止将该UE优选接入4G网络的时间可以设置一个有效期，便于该UE的用户一旦与运行商签约4G网络后，可以优选接入4G网络。
作为实现方式之一，可以优先考虑在融合移动管理网元上实现上述缓冲机制。例如，可以将UE请求接入的流程中引入上述缓冲机制。为了更清楚的说明本发明实施例的技术方案，以下将结合图1所示的网络架构来进行说明。
为了便于理解，假设UE累计持续接入4G网络失败的次数达到3次后，再禁止2/3G的基站将该UE优选接入4G网络。本发明实施例中以4G网络为LTE网络，2G网络为GPRS网络，3G网络为UMTS网络为例进行说明。
示例性的，图2示出了一种接入方法的流程示意图。图2所示的接入方法中引入了上述缓冲机制，主要对UE第1次和第2次接入4G网络的过程作了说 明。如图2所示：
101、UE向eNodeB发送接入请求，即UE选择4G网络进行接入；其中，该接入请求用于请求接入4G网络。
示例性的，UE可以一开机后首次选网即选择4G网络进行接入，也可以是UE先接入2/3G网络后，再由UE选择4G网络进行接入或者由2/3G的基站设备通过重定向或者切换流程以使UE选择4G网络进行接入。
示例性的，该接入请求可以是附着请求(英文：attach request)或者是跟踪区更新(英文：tracking area update，简称：TAU)请求。
102、eNodeB转发UE的接入请求至融合移动管理网元。
通过步骤101-102，融合移动管理网元获知UE请求接入4G网络。在接收到UE的接入请求后，融合移动管理网元可以请求获取该UE对应的4G网络的签约数据，若无法获取该UE对应的4G网络的签约数据，则拒绝该UE接入4G网络。示例性的，融合移动管理网元请求获取该UE对应的4G网络的签约数据可以如步骤103-104所示。
103、融合移动管理网元向HSS请求获取该UE对应的4G网络的签约数据。
示例性的，融合移动管理网元可以通过发送更新位置请求(英文：update location request)至HSS用以请求该UE对应的4G网络的签约数据。该更新位置请求中可以包括UE的UE ID(中文：标识，英文：identity)用以指示获取该UE ID对应的UE的4G网络的签约数据。
104、HSS返回响应消息至融合移动管理网元。
由于该UE没有签约4G网络，HSS中不存在该UE对应的4G网络的签约数据，因此在响应消息中不会携带UE对应的4G网络的签约数据。可选的，可以在响应消息中携带指示信息，指示没有该UE对应的4G网络的签约数据。示例性的，该响应消息可以是更新位置响应(英文：update location Ack)，当该消息中的Result信元取值为DIAMETER_ERROR_USER_UNKNOWN(5001)、DIAMETER_ERROR_UNKNOWN_EPS_SUBSCRIPTION(5420)、DIAMETER_ERROR_RAT_NOT_ALLOWED(5421)、或者 DIAMETER_ERROR_ROAMING_NOT_ALLOWED(5004)时表示无法获取该UE对应的4G网络的签约数据。
可选的，融合移动管理网元在步骤102后可多次请求获取该UE对应的4G网络的签约数据，即在步骤103和104后融合移动管理网元没有获取到该UE对应的4G网络的签约数据时，可以再次通过步骤103和104尝试获取该UE对应的4G网络的签约数据。这样可以避免由于其他原因造成无法获取UE对应的4G网络的签约数据，例如：融合移动管理网元和HSS之间的连接暂时中断或者HSS过载等原因。
步骤103-104适用于当融合移动管理网元可以与HSS交互场景。
在融合移动管理网元与HSS无法交互的场景下，融合移动管理网元也会无法获取UE对应的4G网络的签约数据，即获取UE对应的4G网络的签约数据失败。例如：当UE是漫游用户时，可能UE的归属网络的HSS与UE当前漫游入的网络的融合移动管理网元之间不存在连通的接口导致无法进行交互。
以上两种场景下，都会发生获取UE对应的4G网络的签约数据失败的情况，在这种情况下，融合移动管理网元会拒绝该UE接入4G网络，即可以认为该次UE请求接入4G网络失败。
105、融合移动管理网元更新连续累计次数。
其中，连续累计次数用于指示该UE接入4G网络连续失败的累计次数。例如，假设连续累计次数的初始值为0，若第一次UE接入4G网络失败，则连续累计次数指示UE接入4G网络1次失败，若第二次UE接入4G网络又失败，则连续累计次数指示UE接入4G网络2次失败，若第三次UE接入4G网络成功，则连接累计次数的值变为初始值，若第四次UE接入4G网络再失败，则连接累计次数指示UE接入4G网络1次失败。
本领域技术人员应理解，从不同的角度可以对连续累计次数有不同的表述，但是其实质是一样的。例如：可以认为连续累计次数是融合移动管理网元连续拒绝该UE接入4G网络的累计次数；又例如：可以认为连续累计次数是指连续获取该UE对应的4G网络的签约数据失败的累计次数，其中在一次UE请求接 入中多次获取该UE对应的4G网络的签约数据失败视为1次获取失败。
作为一种对连续累计次数统计的实现，可以考虑在融合移动管理网元上为该UE设置一个计数器，并为该计数器设置初始值，示例性的，可以在该UE首次接入该融合移动管理网元对应的2/3G网络或者该UE向该融合移动管理网元第一次请求接入4G网络的时候创建该计数器，该计数器可以存储在该UE对应的上下文中。当该获取该UE对应的4G网络签约数据失败的时候，可以使计数器加1。当该UE成功接入4G网络时，可以将该计数器重置为初始值。本领域技术人员应理解，对于连续累计次数的统计还可以有其他的实现方式，例如设置倒计数器，每次失败后计数器的值减1，此处不做赘述。
当连续累计次数未满足预设的条件(这里假设预设的条件为连续累计次数达到3次)时，即表明可以允许UE再次请求接入4G网络，因此可以考虑通知UE本次4G网络的接入请求被拒绝，但是可以再次尝试4G网络的接入。这里，再次尝试4G网络的接入可以是本次4G网络的接入请求被拒绝后立即尝试，也可以是过一段时间后尝试。上述通知的实现可以通过步骤106和107来进行。
106、融合移动管理网元发送拒绝接入的消息至eNodeB。
107、eNodeB转发该拒绝接入的消息至UE。
为了能够通知UE此次4G网络的接入请求被拒绝，但可以再次尝试4G网络的接入，可以考虑在拒绝接入的消息中携带指示信息来实现(为了便于叙述，可以将这里的指示信息称为第二指示信息)。作为一种可选的实现方式，第二指示信息可以是拒绝原因值(可以简称为原因值)#10或者#111，其中原因值#10用于指示隐式分离(英文：implicitly detached)，原因值#111用于指示未指明的协议错误(英文：protocol error unspecified)。原因值#10和原因值#111是比较温和的原因值，当UE收到比较温和的原因值时，会再次尝试接入4G网络。与之相对的是比较强烈的原因值，例如原因值#15，用于指示在跟踪区没有合适的小区(英文：no suitable cells in tracking area)。当UE收到比较强烈的原因值后，不会再尝试接入4G网络。本领域技术人员应知，比较温和的原因值不仅限于原因值#10或者#111。
步骤101-107描述了UE第一次请求接入4G网络的过程，在第一次接入4G网络失败后，连续累计次数指示UE接入4G网络连续失败的累计次数为1次。
之后，该UE可能会直接再次请求接入4G网络，也可能先选择2/3G网络接入再主动或者由2/3G网络的基站触发再次请求接入4G网络。
UE第二次请求接入4G网络的过程，可以参照步骤101-107的描述，此处不作赘述。由于UE没有签约4G网络，因此UE第二次请求接入4G网络，同样会被拒绝。在第二次接入4G网络失败后，连续累计次数指示UE接入4G网络连续失败的累计次数为2次。
UE第三次请求接入4G网络的过程，可以参考图3所示的流程示意图。图图3所示：
201、UE向eNodeB发送接入请求。
202、eNodeB转发UE的接入请求至融合移动管理网元。
203、融合移动管理网元向HSS请求获取该UE对应的4G网络的签约数据.
204、HSS返回响应消息至融合移动管理网元。
205、融合移动管理网元更新连续累计次数。
步骤201-205的详细介绍可以参见步骤101-105，此处不做赘述。
步骤205之后连续累计次数为被更新为3次。由于之前预设的条件为连续累计次数达到3次，此时连续累计次数已经满足预设的条件。在这种情况下，可以考虑通知2/3G的基站设备不再继续将该UE优先接入4G网络，这样可以避免UE持续的在2/3G网络和4G网络之间切换，减轻了网络的压力，也有利于保持业务的稳定性。
作为一种可选的实现方式，可以考虑由融合移动管理网元发送指示信息来指示2/3G的基站设备不再将该UE优先接入4G网络(为了便于叙述，这里的指示信息可以称为第一指示信息)。例如：
208、融合移动管理网元发送第一指示信息至BSC/RNC，其中该第一指示信息用于指示BSC/RNC不再为该UE选择4G网络接入。
示例性的，融合移动管理网元可以通过RAB ASSIGNMENT REQUEST消 息或者RELOCATION REQUEST消息将该第一指示信息发送至RNC。其中，可以将这两条消息中的E-UTRAN Service Handover信元的值设置为“Handover to E-UTRAN shall not be performed”来表示该第一指示信息。
示例性的，融合移动管理网元可以通过Create BSS Packet Flow Context Request消息或者DL-UNITDATA消息将该第一指示信息发送至BSC。其中，可以将这两条消息中的Service UTRAN COO信元的值设置为“Network initiated cell change order to E-UTRAN procedure shall be performed”来表示该第一指示信息。
BSC/RNC收到该第一指示信息后，当UE接入2/3G网络后，BSC/RNC不会再为该UE优选4G网络接入，因此UE不会频繁的在2/3G网络和4G网络之间切换，缓解了乒乓现象，对业务稳定性有一定提高。
示例性的，这里指示不再为该用户设备选择4G网络接入可以理解为在一段时间内不再为该用户设备选择该4G网络接入，即在这段时间后，基站设备可以重新为用户设备优选接入该4G网络。
在步骤205后，融合移动管理网元还将拒绝UE本次接入4G网络通知到UE。例如：
206、融合移动管理网元发送拒绝接入的消息至eNodeB。
207、eNodeB转发该拒绝接入的消息至UE。
步骤206和207的详细说明请参见步骤106和107，此处不做赘述。
需要说明的是，步骤206和207与步骤208之间没有时序关系。在步骤206和207中，融合移动管理网元还是会发送比较温和的拒绝原因值至UE，以便于当UE签约了4G网络后，可以主动发起到4G网络的接入。
可选的，当为该UE配置了无线接入技术接入权限限制信息时，融合移动管理网元在步骤102或者202后，可以先判断该无线接入技术接入权限限制信息是否指示允许接入4G网络，若允许的情况下，可以再考虑启用上述缓冲机制。其中，无线接入技术接入权限限制信息可以配置在融合移动管理网元上，也可以配置在HSS上。例如，当该UE的无线接入技术接入权限限制信息是配置在 融合移动管理网元上的，即可以在步骤103之前或者203之前先确定该无线接入技术接入权限限制信息指示允许该UE接入4G网络，再执行后续步骤；又例如，当该UE的无线接入技术接入权限限制信息是配置在HSS上的，即可以在步骤104或者204后先确定该无线接入技术接入权限限制信息指示允许该UE接入4G网络，再执行后续步骤。
可选的，在该无线接入技术接入权限限制信息指示不允许该UE接入4G网络时，融合移动管理网元可以直接执行步骤206-208。
可选的，若该UE先接入到2/3G网络，融合移动管理网元可以在UE请求接入到2/3G网络时就确定该UE的无线接入技术接入权限限制信息是否允许接入到4G网络，若不允许的话，可以直接执行步骤208，避免UE被优选接入到4G网络。
可选的，考虑到并不是所有的UE都会配置无线接入技术接入权限限制信息，因此在判断该无线接入技术接入权限限制信息是否指示允许接入4G网络之前，还可以先判断该UE是否配置了无线接入技术接入权限限制信息。
可选的，当融合移动管理网元在该UE的接入过程中成功获取了该UE对应的4G网络的签约数据时，融合移动管理网元可以接受该UE接入4G网络的请求，并将该UE的连续累计次数重置为初始值，以便于下次该UE请求接入4G网络时能够重新统计连续累计次数。
可选的，可以为连续累计次数设定一个有效期，例如当第一次更新连续累计次数后，可以启动定时器，当定时器超时后，将连续累计次数重置。这样可以允许UE非频繁的尝试4G网络的接入，对网络冲击的影响不大。
可选的，当UE可以成功接入4G时，无论之前是否已经通知2/3G网络的基站设备不再为该UE优选接入4G网络，都可以考虑由融合移动管理网元通知2/3G网络的基站设备可以为该UE优选接入4G网络。
通过上述对于本发明实施例提供的接入方法的说明，可见在UE接入4G网络的过程中，允许UE几次接入4G网络后，再通知2/3G的基站设备不为该UE优选接入4G网络，在保证UE有机会接入4G网络的同时，又能缓解4G网络 和2/3G网络之间的频繁切换导致的对网络造成的冲击，提高了业务的稳定性，增强了用户体验。
需要说明的是，本发明实施例中2/3G网络和4G网络仅仅是一种举例，并不构成本发明实施例对于无线通信网络的限定。为了便于叙述，可以对类似于4G网络的，即会被优选接入的网络归类为一类，称为第一网络；相对的，可以对类似于2/3G网络的，即其基站设备会将UE优选接入第一网络的网络归为一类，称为第二网络。因此图2和图3中的4G网络可以替换为第一网络，2/3G网络可以替换为第二网络。
为了实现本发明实施例提供的接入方法，需要对现有的融合移动管理网元进行修改。
如图4所示，通常，融合移动管理网元包括收发单元301和处理单元302。
为了实现步骤101和102(或者步骤201和202)中的接入请求的接收，收发单元301可以用于接收该UE的接入请求，该请求用于请求接入第一网络。
为了实现步骤103和104(或者步骤203和204)中的对于UE对应的4G网络(即第一网络)的签约数据的获取，收发单元301可以用于获取该UE对应的4G网络的签约数据。作为一种可选的实现方式，收发单元301可以用于向HSS请求获取该UE对应的4G网络的签约数据并接收该HSS返回的响应消息。
为了实现步骤105(或者步骤205)中对于连续累计次数的更新，处理单元302可以用于更新该UE的连续累计次数。可选的，该UE的连续累计次数可以存储在处理单元302的缓存中，或者也可以存在处理单元302外部的存储单元中。
为了实现步骤208中通知2/3G网络(即第二网络)的基站设备不再为该UE选择4G网络接入，收发单元301可以在连续累计次数满足预设条件时，将步骤208中的第一指示信息发送至第二网络的基站设备。其中，该第一指示信息用于指示不再为该UE选择第一网络接入。
为了实现步骤106和107(或者步骤206和207)中通知UE能够重新请求接入4G网络，收发单元301可以在当获取4G网络的签约数据失败时，发送第 二指示信息至第二网络的基站设备，该第二指示信息用于指示拒绝该UE本次接入第一网络。示例性的，该UE可以在接收到第二指示信息后，在一段时间后或者立即重新请求接入第一网络。示例性的，处理单元302可以在当获取第一网络的签约数据失败时指示收发单元301发送该第二指示信息至第二网络的基站设备。可以理解，上述实现方式只是一种举例，在具体实施过程中，还可以有其他的实现方式，此处不做限制。
可选的，处理单元302还可以用于在获取该UE对应的第一网络的签约数据成功时，重置该UE的连续累计次数。
可选的，处理单元302还可以确定该UE不存在对应的无线接入技术接入权限限制信息或者该UE对应的无线接入技术接入权限限制信息指示允许接入第一网络。
可选的，收发单元301还可以在UE对应的无线接入技术接入权限限制信息指示不允许接入第一网络时，发送上述第一指示信息至第二网络的基站设备。示例性的，处理单元302还可以用于在UE对应的无线接入技术接入权限限制信息指示不允许接入第一网络时，指示收发单元301发送上述第一指示信息至第二网络的基站设备。可以理解，上述实现方式只是一种举例，在具体实施过程中，还可以有其他的实现方式，此处不做限制。
作为一种实现方式，收发单元301的功能可以考虑通过收发电路或者收发的专用芯片实现。处理单元302可以考虑通过专用处理芯片、处理电路、处理器或者通用芯片实现。
作为另一种实现方式，可以考虑使用通用计算机的方式来实现本发明实施例提供的融合移动管理网元。即将实现收发单元301和处理单元302功能的程序代码存储在存储器中，处理器通过执行存储器中的代码来实现收发单元301和处理单元302的功能。
图4所示融合移动管理网元所涉及的与本发明实施例提供的技术方案相关的概念，解释和详细说明请参见图2和图3所示方法中关于这些内容的内容，此处不做赘述。
本发明实施例提供的融合移动管理网元通过执行本发明实施例提供的缓冲机制，可以有效的对UE在第一网络和第二网络之间频繁的切换进行干预和控制，缓解网络冲击，提升业务的稳定性，并保障用户体验。
本领域技术人员可以理解，从系统角度看，图4所示的融合移动管理网元与2/3G网络的基站设备组成的系统，或者图4所示的融合移动管理网元、2/3G网络的基站设备和UE组成的系统可以缓解乒乓现象对网络的冲击，提升业务的稳定性，并保障用户体验。
本领域技术人员能够理解，信息和信号可以使用任何技术方法(technology techniques)来表示，例如：信息和信号可以是数据(data)、指令(instructions)、命令(command)、信息(information)、信号(signal)、比特(bit)、符号(symbol)等；技术方法可以是通过电压、电流、电磁波、磁场或磁粒(magnetic particles)、或者光场或光粒(optical particles)。
本领域技术任何还可以了解到本发明实施例列出的各种说明性逻辑块(illustrative logical block)和步骤(step)可以通过电子硬件、电脑软件，或两者的结合进行实现。这样的功能是通过硬件还是软件来实现取决于特定的应用和整个系统的设计要求。本领域技术人员可以对于每种特定的应用，可以使用各种方法实现所述的功能，但这种实现不应被理解为超出本发明实施例保护的范围。
本发明实施例中所描述的各种说明性的逻辑单元和电路可以通过通用处理器，数字信号处理器，专用集成电路(ASIC)，现场可编程门阵列(FPGA)或其它可编程逻辑装置，离散门或晶体管逻辑，离散硬件部件，或上述任何组合的设计来实现或操作所描述的功能。通用处理器可以为微处理器，可选地，该通用处理器也可以为任何传统的处理器、控制器、微控制器或状态机。处理器也可以通过计算装置的组合来实现，例如数字信号处理器和微处理器，多个微处理器，一个或多个微处理器联合一个数字信号处理器核，或任何其它类似的配置来实现。
本发明实施例中所描述的方法或算法的步骤可以直接嵌入硬件、处理器执 行的软件单元、或者这两者的结合。软件单元可以存储于RAM存储器、闪存、ROM存储器、EPROM存储器、EEPROM存储器、寄存器、硬盘、可移动磁盘、CD-ROM或本领域中其它任意形式的存储媒介中。示例性地，存储媒介可以与处理器连接，以使得处理器可以从存储媒介中读取信息，并可以向存储媒介存写信息。可选地，存储媒介还可以集成到处理器中。处理器和存储媒介可以设置于ASIC中，ASIC可以设置于UE中。可选地，处理器和存储媒介也可以设置于UE中的不同的部件中。
在一个或多个示例性的设计中，本发明实施例所描述的上述功能可以在硬件、软件、固件或这三者的任意组合来实现。如果在软件中实现，这些功能可以存储与电脑可读的媒介上，或以一个或多个指令或代码形式传输于电脑可读的媒介上。电脑可读媒介包括电脑存储媒介和便于使得让电脑程序从一个地方转移到其它地方的通信媒介。存储媒介可以是任何通用或特殊电脑可以接入访问的可用媒体。例如，这样的电脑可读媒体可以包括但不限于RAM、ROM、EEPROM、CD-ROM或其它光盘存储、磁盘存储或其它磁性存储装置，或其它任何可以用于承载或存储以指令或数据结构和其它可被通用或特殊电脑、或通用或特殊处理器读取形式的程序代码的媒介。此外，任何连接都可以被适当地定义为电脑可读媒介，例如，如果软件是从一个网站站点、服务器或其它远程资源通过一个同轴电缆、光纤电脑、双绞线、数字用户线(DSL)或以例如红外、无线和微波等无线方式传输的也被包含在所定义的电脑可读媒介中。所述的碟片(disk)和磁盘(disc)包括压缩磁盘、镭射盘、光盘、DVD、软盘和蓝光光盘，磁盘通常以磁性复制数据，而碟片通常以激光进行光学复制数据。上述的组合也可以包含在电脑可读媒介中。
本发明说明书的上述描述可以使得本领域技术任何可以利用或实现本发明的内容，任何基于所公开内容的修改都应该被认为是本领域显而易见的，本发明所描述的基本原则可以应用到其它变形中而不偏离本发明的发明本质和范围。因此，本发明所公开的内容不仅仅局限于所描述的实施例和设计，还可以扩展到与本发明原则和所公开的新特征一致的最大范围。

Claims (22)

  1. 一种接入方法，其特征在于，包括：
    融合移动管理网元接收用户设备UE的接入请求；其中，所述接入请求用于请求接入第一网络；
    所述融合移动管理网元根据所述接入请求获取所述UE对应的所述第一网络的签约数据；
    当获取所述签约数据失败时，所述融合移动管理网元更新连续累计次数；其中，所述连续累计次数用于指示所述UE接入所述第一网络连续失败的累计次数；
    当所述连续累计次数满足预设条件时，所述融合移动管理网元发送第一指示信息至第二网络的基站设备；其中，所述第一指示信息用于指示不再为所述UE选择所述第一网络接入。
  2. 根据权利要求1的方法，其特征在于，还包括：
    当获取所述签约数据失败时，所述融合移动管理网元发送第二指示信息至所述UE，所述第二指示信息用以指示拒绝所述UE本次接入所述第一网络。
  3. 根据权利要求2所述的方法，其特征在于，所述第二指示信息包括用于指示隐式分离的原因值或者用于指示未指明的协议错误的原因值。
  4. 根据权利要求1-3任一项所述的方法，其特征在于，还包括：
    当获取所述签约数据成功时，所述融合移动管理网元重置所述连续累计次数。
  5. 根据权利要求1-4任一项所述的方法，其特征在于，在所述融合移动管理网元更新所述连续累计次数之前还包括：
    所述融合移动管理网元确定所述UE不存在对应的无线接入技术接入权限限 制信息或者所述UE对应的所述无线接入技术接入权限限制信息指示允许接入所述第一网络。
  6. 根据权利要求5所述的方法，其特征在于，还包括：
    当所述UE对应的所述无线接入技术接入权限限制信息指示不允许接入所述第一网络时，所述融合移动管理网元发送所述第一指示信息至所述基站设备。
  7. 根据权利要求1-6任一项所述的方法，其特征在于，所述第一指示信息包括用于指示不切换至所述第一网络的信元。
  8. 根据权利要求1-7任一项所述的方法，其特征在于，所述融合移动管理网元包括移动管理实体MME和服务通用分组无线业务支持节点SGSN。
  9. 根据权利要求1-8任一项所述的方法，其特征在于，所述第一网络包括长期演进LTE网络。
  10. 根据权利要求1-9任一项所述的方法，其特征在于，所述第二网络包括通用分组无线业务GPRS网络或者通用移动通信系统UMTS网络。
  11. 一种融合移动管理网元，其特征在于，包括：
    收发单元，用于接收用户设备UE的接入请求，根据所述接入请求获取所述UE对应的所述第一网络的签约数据；其中，所述接入请求用于请求接入第一网络；
    处理单元，用于当获取所述签约数据失败时，更新连续累计次数；其中，所述连续累计次数用于指示所述UE接入所述第一网络连续失败的累计次数；
    所述收发单元还用于当所述连续累计次数满足预设条件时，发送第一指示信息至第二网络的基站设备；其中，所述第一指示信息用于指示不再为所述UE 选择所述第一网络接入。
  12. 根据权利要求11所述的融合移动管理网元，其特征在于，所述收发单元还用于当获取所述签约数据失败时，发送第二指示信息至所述UE；其中，所述第二指示信息用以指示拒绝所述UE本次接入所述第一网络。
  13. 根据权利要求12所述的融合移动管理网元，其特征在于，所述第二指示信息包括用于指示隐式分离的原因值或者用于指示未指明的协议错误的原因值。
  14. 根据权利要求11-13任一项所述的融合移动管理网元，其特征在于，所述处理单元还用于当获取所述签约数据成功时重置所述连续累计次数。
  15. 根据权利要求11-14任一项所述的融合移动管理网元，其特征在于，所述处理单元还用于确定所述UE不存在对应的无线接入技术接入权限限制信息或者所述UE对应的所述无线接入技术接入权限限制信息指示允许接入所述第一网络。
  16. 根据权利要求15所述的融合移动管理网元，其特征在于，所述收发单元还用于当所述UE对应的所述无线接入技术接入权限限制信息指示不允许接入所述第一网络时发送所述第一指示信息至所述基站设备。
  17. 根据权利要求11-16任一项所述的融合移动管理网元，其特征在于，所述第一指示信息包括用于指示不切换至所述第一网络的信元。
  18. 根据权利要求11-17任一项所述的融合移动管理网元，其特征在于，所述融合移动管理网元包括移动管理实体MME和服务通用分组无线业务支持节点 SGSN。
  19. 根据权利要求11-18任一项所述的融合移动管理网元，其特征在于，所述第一网络包括长期演进LTE网络。
  20. 根据权利要求11-19任一项所述的融合移动管理网元，其特征在于，所述第二网络包括通用分组无线业务GPRS网络或者通用移动通信系统UMTS网络。
  21. 一种接入系统，其特征在于，包括：
    如权利要求11-20任一项所述的融合移动管理网元；和
    第二网络的基站设备。
  22. 根据权利要求21所述的系统，其特征在于，还包括用户设备UE。
PCT/CN2014/093129 2014-12-05 2014-12-05 一种接入方法、装置和系统 WO2016086409A1 (zh)

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