WO2015035551A1 - 跨制式寻呼方法和设备 - Google Patents

跨制式寻呼方法和设备 Download PDF

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Publication number
WO2015035551A1
WO2015035551A1 PCT/CN2013/083204 CN2013083204W WO2015035551A1 WO 2015035551 A1 WO2015035551 A1 WO 2015035551A1 CN 2013083204 W CN2013083204 W CN 2013083204W WO 2015035551 A1 WO2015035551 A1 WO 2015035551A1
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WO
WIPO (PCT)
Prior art keywords
standard
core network
user equipment
paging
paging message
Prior art date
Application number
PCT/CN2013/083204
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English (en)
French (fr)
Inventor
房明
陈燕燕
谭斌
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.)
Filing date
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 PCT/CN2013/083204 priority Critical patent/WO2015035551A1/zh
Priority to CN201380002133.6A priority patent/CN104969659B/zh
Publication of WO2015035551A1 publication Critical patent/WO2015035551A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W68/00User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02Arrangements for increasing efficiency of notification or paging channel
    • H04W68/025Indirect paging
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/06Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices
    • H04W88/10Access point devices adapted for operation in multiple networks, e.g. multi-mode access points

Definitions

  • Embodiments of the present invention relate to the field of communications technologies, and, more particularly, to a cross-system paging method and apparatus. Background technique
  • the UE User Equipment
  • the UE is registered to a certain core network.
  • the location area/routing area/tracking area update is performed in the area managed by the registered core network.
  • the core network knows the location area where the UE is currently located, and can send a paging message to the UE.
  • the UE responds to the paging, thereby establishing a connection with the core network and performing subsequent services.
  • the UE can simultaneously register to a core network of different standards.
  • the UE is simultaneously registered to the PS (Packet Switching) core network of two standards, such as MME (Mobility Management Entity) and GSM (Global System of Mobile communication), which are simultaneously registered in the LTE system.
  • SGSN Server GPRS (General Packet Radio Service)) of the UMTS (Universal Mobile Telecommunications System) (also referred to as "2G/3G”
  • the UE simultaneously registers two types of CS (Core switching, circuit switching) core network, such as the UE simultaneously registers 2G and 3G MSC (Mobile Switching Center, Circuit Switching Center).
  • CS Core switching, circuit switching
  • the air interface resides in the same format as the currently anchored core network.
  • the UE simultaneously registers the 2G MSC and the LTE MME. If the current terminal resides in the LTE air interface, the 2G MSC establishes an interface with the LTE MME, and the MME sends the MME through the eNB and sends the packet to the UE through the LTE air interface.
  • the core network of a certain system sends a paging message to the UE through the air interface corresponding to the standard by the base station controller, and the UE responds to the paging message in the air interface corresponding to the standard, and is in the network of the standard system.
  • Establish a bearer the service of the UE may not be suitable for carrying the air interface corresponding to the standard, thereby reducing network performance and affecting the user's service experience. If the UE is transferred to the network of other standards, the UE needs to trigger the establishment of the bearer in the network of other standards, and then the base station controller completes the transfer of the UE to the network of other standards through the handover or redirection manner, resulting in a large call delay. In addition, the establishment of bearers in the original system network causes waste of network resources. Summary of the invention
  • the embodiments of the present invention provide a cross-system paging method and device, which can reduce call delay and reduce waste of network resources.
  • the first aspect provides a cross-standard paging method, where the method includes: receiving, by a network side device, a first paging message sent by a core network of a first standard, where the first paging message is used for paging registration a core network of the first system, and a user equipment that resides on an air interface of the second system; the network side device constructs a second paging message of the second system according to the first paging message; The network side device sends the second paging message to the user equipment.
  • the first paging message carries a first user equipment identifier of the user equipment in the first system
  • the network side device according to the The first paging message, the second paging message of the second system is configured to: the network side device converts the first user equipment identifier into the user equipment in the second system And the network side device sets the second user equipment identifier in the second paging message.
  • the network side device constructs the second standard according to the first paging message
  • the second paging message includes: determining, by the network side device, a parameter of the core network of the first standard according to the core network that sends the first paging message, and setting parameters of the core network of the first standard in the In the second paging message.
  • the parameter of the core network of the first system includes at least one of the following information: Core network domain of the first standard core network, radio access technology RAT parameters.
  • the network side device constructs the second standard according to the first paging message
  • the second paging message includes: the network side device includes the first paging message in the second paging message.
  • the user equipment is further registered on a core network of the second system.
  • the user equipment is registered in the first-standard circuit-switched CS core network.
  • the second system of the PS core network or the user equipment is registered in the first standard packet switched PS core network and the second standard CS core network; or the user equipment is registered in the a standard CS core network and the second standard CS core network; or the user equipment is registered in the first system PS core network and the second standard PS core network.
  • the method further includes: the network side device identifying, according to the stored radio access technology RAT camping information of the user equipment and the first user equipment identifier carried in the first paging message, The user equipment resides on an air interface of the second system.
  • the method further includes: determining, by the network side device, a cell where the user equipment resides according to the resident area information of the user equipment.
  • the network side device after the user equipment completes the air interface connection establishment of the second system Receiving, by the user equipment, a first paging response, where the first paging response is used to respond to the first paging message sent by the core network of the first system; Determining a first paging response, constructing a second paging response of the first system; and the network side device transmitting the second paging response to a core network of the first standard.
  • the network side device configures the first system according to the first paging response Before the second paging response, the method further includes: the network side device identifying, according to the identifier of the user equipment carried in the first paging response, that the first paging response is used to respond to the The first paging message sent by the core network of the first system; or, the network side device identifies, according to the indication bit in the first paging response, that the first paging response is used to respond to the The first paging message sent by the core network of the first system.
  • the second aspect provides a cross-standard paging method, where the method includes: receiving, by the user equipment, the second paging message of the second mode sent by the network side device, where the second paging message is by the network
  • the side device is configured according to the first paging message sent by the core network of the first system, where the first paging message is used for paging registration in the core network of the first system, and resides in the second
  • the user equipment on the air interface of the system; the user equipment establishes a second standard according to the second paging message Air interface connection.
  • the second paging message carries a second user equipment identifier of the user equipment in the second system, where the second user equipment identifier is And converting, by the network side device, the user equipment carried by the first paging message to the first user equipment identifier in the first system.
  • the second paging message carries a parameter of the core network of the first system
  • the parameters of the core network of the first format include at least one of the following: a core network domain of the core system of the first system, and a radio access technology RAT parameter.
  • the method further includes: determining, by the user equipment, that the air interface connection of the second system needs to be established by using the first paging message included in the second paging message.
  • the user equipment is registered in the first-standard circuit-switched CS core network and the foregoing a two-standard PS core network; or the user equipment is registered in the first-standard packet-switched PS core network and the second-standard CS core network; or the user equipment is registered in the first-standard CS a core network and the CS core network of the second system; or the user equipment is registered in the PS core network of the first system and the PS core network of the second system.
  • the user equipment After the user equipment completes the air interface connection establishment of the second system, the user equipment Sending a first paging response to the network side device, where the first paging response is used to respond to the first paging message sent by the core network of the first system, so that the network side device according to the Determining a first paging response, constructing a second paging response of the first system, and transmitting the second paging response to a core network of the first system.
  • the method further includes: the user equipment carrying the identifier of the user equipment in the first paging response, where the identifier of the user equipment is used to enable the network side device to identify the first paging response The first paging message sent in response to the core network of the first system; or the user equipment adds an indication bit in the first paging response, and the indication bit in the first paging response And the network side device is configured to identify that the paging response is used to respond to the first paging message sent by the core network of the first system.
  • a network side device configured to include: a receiving unit, configured to receive a first paging message sent by a core network that receives a first standard, where the first paging message is used for searching a user equipment registered in the core network of the first system and residing on the air interface of the second system; a constructing unit, configured to configure the first paging message according to the first paging message received by the receiving unit a second paging message of the second system; the sending unit, configured to send, to the user equipment, the second paging message constructed by the structural unit.
  • the constructing unit is specifically configured to: use the user equipment that is carried by the first paging message to be a first user in the first system
  • the device identifier is converted into a second user equipment identifier of the user equipment in the second system, and the second user equipment identifier is set in the second paging message.
  • the constructing unit is specifically configured to: according to the core network that sends the first paging message Determining parameters of the core network of the first system, and setting parameters of the core network of the first system in the second paging message.
  • the parameter of the core network of the first system includes at least one of the following information: Core network domain of the first standard core network, radio access technology RAT parameters.
  • the constructing unit is specifically configured to: include the first paging message in the In the second paging message.
  • the user equipment is further registered on a core network of the second system.
  • the user equipment is registered in the first-standard circuit-switched CS core network and the foregoing a two-standard PS core network; or the user equipment is registered in the first-standard packet-switched PS core network and the second-standard CS core network; or the user equipment is registered in the first-standard CS a core network and the CS core network of the second system; or the user equipment is registered in the PS core network of the first system and the PS core network of the second system.
  • the network side device further includes an identifying unit, where the identifying unit is configured to: according to the stored radio access technology RAT camping information of the user equipment, and the first received by the receiving unit The first user equipment identifier carried in the paging message identifies that the user equipment resides on an air interface of the second system.
  • the identifying unit is further configured to: determine, according to the resident area information of the user equipment, The cell in which the user equipment resides.
  • the receiving unit is further configured to: complete, in the user equipment, the air interface of the second system After the connection is established, the first paging response sent by the user equipment is received, where the first paging response is used to respond to the first paging message sent by the core network of the first system; And configured to: construct a second paging response of the first system according to the first paging response received by the receiving unit; the sending unit is further configured to: configure the The second paging response is sent to the core network of the first system.
  • the identifying unit is further configured to: the user that is carried according to the first paging response An identifier of the device, where the first paging response is used to respond to the first paging message sent by the core network of the first system; or the identifying unit is further configured to: according to the first And indicating, by the indication bit in the paging response, the first paging response is used to respond to the first paging message sent by the core network of the first system.
  • a user equipment configured to include: a receiving unit, configured to receive a second paging message of the second mode sent by a network side device, where the second paging message is The network side device is configured according to the first paging message sent by the core network of the first system, where the first paging message is used for paging registration in the core network of the first system, and resides in the first The user equipment on the air interface of the second system; the establishing unit, configured to establish a second interface air interface connection according to the second paging message received by the receiving unit.
  • the second paging message received by the receiving unit carries a second user equipment identifier of the user equipment in the second system, where The second user equipment identifier is obtained by converting, by the network side device, the first user equipment identifier of the user equipment carried in the first paging message in the first system.
  • the second paging message carries parameters of the core network of the first system, and the parameters of the core network of the first system include at least one of the following information: Core network domain of the core network, radio access technology RAT parameters.
  • the establishing unit is specifically configured to: include, by using, in the second paging message The first paging message determines that an air interface connection of the second mode needs to be established.
  • the user equipment further includes a sending unit, where the sending unit is configured to be in the user equipment After the air interface connection of the second system is established, the user equipment sends a first paging response to the network side device, where the first paging response is sent in response to the core network of the first standard.
  • the first paging message so that the network side device constructs a second paging response of the first system according to the first paging response, and sends the second paging response to the first paging response.
  • the core network of the system is configured to be in the user equipment After the air interface connection of the second system is established, the user equipment sends a first paging response to the network side device, where the first paging response is sent in response to the core network of the first standard.
  • the first paging message so that the network side device constructs a second paging response of the first system according to the first paging response, and sends the second paging response to the first paging response.
  • the establishing unit is further configured to: carry the user in the first paging response An identifier of the device, where the identifier of the user equipment is used to enable the network side device to identify that the first paging response is used to respond to the first paging message sent by the core network of the first system; Or the establishing unit is further configured to: add an indication bit in the first paging response, where the indication bit in the first paging response is used to enable the network side device to identify the paging response The first paging message sent in response to the core network of the first system.
  • the network side device constructs a second paging message of the second system according to the received first paging message sent by the core network of the first standard, where the first paging message is used for paging registration.
  • the network side device configures the first paging message sent by the core network of the first system to be a paging message suitable for paging from the air interface of the second mode.
  • the UE does not need to transfer from the first system to the other system (the second system), that is, there is no need to establish and release the air interface connection of the first system, thereby effectively reducing the delay and reducing the waste of network resources.
  • FIG. 1 is a flow chart of a cross-system paging method according to an embodiment of the present invention.
  • FIG. 2 is a flow chart of a cross-system paging method according to another embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a process of a cross-standard paging method according to an embodiment of the present invention.
  • 4 is a structural block diagram of a network side device according to an embodiment of the present invention.
  • FIG. 5 is a structural block diagram of a user equipment according to an embodiment of the present invention.
  • Figure 6 is a schematic block diagram of an apparatus in accordance with one embodiment of the present invention.
  • FIG. 7 is a structural block diagram of a network side device according to another embodiment of the present invention.
  • FIG. 8 is a structural block diagram of a user equipment according to another embodiment of the present invention. detailed description
  • GSM Global System for Mobile communications
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE FDD Frequency Division Duplex
  • LTE TDD Time Division Duplex
  • WiMAX Worldwide Interoperability for Microwave Access, global interconnected microwave access
  • the base station may be a BTS (Base Transceiver Station) in GSM or CDMA, or an NB (NodeB, Base Station) in WCDMA or a BS (Base Station in Base Station) in UMTS. It may also be an eNB in LTE, etc., and the invention is not limited.
  • BTS Base Transceiver Station
  • NB NodeB, Base Station
  • BS Base Station in Base Station
  • LTE Long Term Evolution
  • the invention is not limited.
  • the base station controller which may be a BSC in GSM or CDMA, or an RNC in WCDMA, may also be incorporated in an eNB of LTE.
  • the user equipment may be referred to as a terminal (Terminal).
  • MS Mobile Station
  • mobile terminal etc.
  • the user equipment can communicate with one or more core networks via a RAN (Radio Access Network), for example, the user equipment can be mobile Telephone (or "cellular" telephone), computer with mobile terminal, etc., for example, the user equipment can also be a portable, pocket, handheld, computer built-in or vehicle-mounted mobile device that exchanges voice with the wireless access network. And / or data.
  • RAN Radio Access Network
  • the user equipment can be mobile Telephone (or "cellular" telephone), computer with mobile terminal, etc.
  • the user equipment can also be a portable, pocket, handheld, computer built-in or vehicle-mounted mobile device that exchanges voice with the wireless access network. And / or data.
  • a single radio controller can be used to manage various types of radio resources, and the radio resources of various systems can be used more efficiently, flexibly, and quickly. And the location of the SRC can be flexibly set and can be placed on the base station side or as a separate entity.
  • FIG. 1 is a flow chart of a cross-system paging method according to an embodiment of the present invention. The method of Figure 1 is performed by a network side device such as SRC.
  • a network side device such as SRC.
  • the network side device receives the first paging message sent by the core network of the first standard, where the first paging message is used for paging registration in the core network of the first standard, and resides on the air interface of the second standard.
  • User equipment
  • the network side device constructs a second paging message of the second system according to the first paging message.
  • the network side device sends a second paging message to the user equipment.
  • the network side device constructs a second paging message of the second system according to the received first paging message sent by the core network of the first standard, where the first paging message is used for paging registration.
  • a standard core network and a UE camping on the air interface of the second system, so that the UE establishes a second-standard air interface connection according to the received second paging message. Therefore, the first paging message sent by the network side device according to the core network of the first system is configured to page the UE according to the second paging message sent by the air interface of the second standard, without the UE being required to be the first
  • the system is transferred to other networks (second mode) to effectively reduce latency and reduce network resource waste.
  • the UE may register in the core network of the first standard and reside in the air interface of the second system (listening to the second standard BCCH (Broadcast Control Channel), CBCH (Celling Control Channel) Or a channel such as a cell broadcast channel, that is, a message such as a monitoring system message or a cell broadcast, or a PCCH (Physical Control Channel, a message such as a monitoring page).
  • BCCH Broadcast Control Channel
  • CBCH Cell Broadcast Control Channel
  • PCCH Physical Control Channel
  • the UE is in an idle state, is registered at the 2G/3G MSC and resides in the LTE air interface.
  • the network side device may determine, according to the RAT (Radio Access Technology, radio access technology) resident information of the saved UE.
  • RAT Radio Access Technology, radio access technology
  • the UE resides in the second mode.
  • the UE may also register a core network of the second standard.
  • the UE is registered in the first-standard CS core network and the second-standard PS core network; or, the UE is registered in the first-standard PS core network and the second-standard CS core network; or, the UE is simultaneously registered in the first The CS core network of the standard and the second system; or the UE is simultaneously registered on the PS core network of the first system and the second system.
  • the UE may be registered on a core network of different standards but the same core domain, or may be registered on a core network of different standards and different core domains.
  • the UE is simultaneously registered on the 2G MSC and the LTE MME, or the UE is simultaneously registered on the 2G SGSN and the LTE MME.
  • the UE registers in the core network of the two systems of the first system and the second system, and resides on the air interface of the second system. Since the UE performs services in the second-standard core network more frequently than in the first-standard core network, the UE resides on the air interface of the second system. Since the delay of the second mode air interface is short, the DRX (Discontinuous Reception) period is short, so that the UE can be quickly paged.
  • DRX Continuous Reception
  • the network side device may perform corresponding conversion on the parameters carried in the first paging message to obtain the second paging message. Specifically, the network side device converts the UE carried in the first paging message into a first UE identifier (UE-identity) of the first standard into a second UE identifier of the UE in the second standard.
  • UE-identity UE-identity
  • SRC converts TMSI (Temporary Mobile Subscriber Identity), P-TMSK Packet TMSI, and Packet Temporary Mobile Subscriber Identity (IDS) in 2G/3G into S-TMSI (Short TMSI, Short Temporary) in LTE format.
  • TMSI Temporary Mobile Subscriber Identity
  • P-TMSK Packet TMSI Packet Temporary Mobile Subscriber Identity
  • IDDS Packet Temporary Mobile Subscriber Identity
  • S-TMSI Short TMSI, Short Temporary
  • the network side device may determine, according to the core network that sends the first paging message, a parameter of the core network of the first standard, and set a parameter of the core network of the first standard in the second paging message, where
  • the parameters of the core network of the system include, but are not limited to, the core network domain of the core system of the first standard or the RAT parameters (such as LTE or GSM or UMTS, etc.).
  • the network side device may determine the core network domain (such as the PS domain or the CS domain) of the first standard according to the identifier of the core network that sends the first paging message, for example, when the core network of the first standard is an MSC, The core domain is determined to be a CS domain, or when the core network of the first system is an SGSN/MME, the core domain may be determined to be a PS domain, and the core domain is set in the second paging message.
  • the core network domain such as the PS domain or the CS domain
  • the network side device may add other parameters, such as a paging reason, in the second paging message. Wait. It should be understood that the embodiments of the present invention are not limited thereto.
  • the network side device may include the first paging message in the second paging message, in other words, the first paging message may be used as a container In the second paging message.
  • the SRC places the paging message delivered by the 2G/3G MSC into a paging message of the EUTRAN (Evolved Universal Terrestrial Radio Access) of the LTE system.
  • EUTRAN Evolved Universal Terrestrial Radio Access
  • the network side device may according to the stored RAT resident information of the UE (such as a RAT system (such as LTE) where the UE is camped) and the resident area information (such as the UE).
  • a RAT system such as LTE
  • the resident area information such as the UE.
  • the identifier of the cell that resides such as the cell id list
  • the eNB area identifier such as the eNB id list
  • the location area identifier such as the Tracking Area id list
  • the first UE identifier carried in the first paging message are identified.
  • the UE residing on the air interface of the second system, that is, determining that the second paging message needs to be sent from the air interface of the second mode, and determining, by using the camping area information, which second range of the area is to send the second paging message.
  • the paging area range information carried in the first paging message (the location area id of the first system, the BSC id list, the cell identifier (cell id) List ) ) mapping results in a second standard paging area (cell identity, eNB id list, location area identifier (eg Tracking Area id list)).
  • An example of a mapping relationship such as the location area id 1 of the first format, is obtained by the Tracking Area id2 of the second standard.
  • the resident area information can be obtained by combining the above two methods.
  • the network side device may pass the IMSI of the UE and a default configuration of the UE (such as a paging location area/cell range parameter, a paging component group parameter, a paging The DRX parameter, etc., or the second standard DRX paging window is calculated by the IMSI of the UE and the related parameters of the paging window (such as the parameters of the DRX-related timer) in the system message, and the network side device passes the The second page of the DRX paging window sends a second paging message.
  • the network side device may further determine a paging window by using a minimum period value of the DRX related timer parameter in the second system, and send a second paging message in the paging window.
  • the network side device may receive the first page sent by the UE after the UE completes the air interface connection establishment, such as establishing an RRC (Radio Resource Control) connection.
  • the first paging response is used to respond to the first paging message sent by the core network of the first system.
  • the first paging response may be a service request message.
  • the network side device constructs a second paging response of the first system according to the first paging response, that is, the first paging response
  • the second paging response conforms to the first standard, and the second paging response is sent to the core network of the first standard. specifically,.
  • the network side device may include the first paging response in the second paging response, or perform corresponding conversion on the parameter carried in the first paging response to obtain the second paging response.
  • the network side device constructs the second paging response according to the first paging response reference may be made to the embodiment in which the network side device constructs the second paging message according to the first paging message, and details are not described herein again.
  • the UE may carry the UE identifier in the first paging response, and the network side device identifies, according to the UE identifier carried in the first paging response, that the first paging response is used to send the core network in response to the first standard.
  • First page message the UE may add an indication bit in the first paging response, and the network side device identifies, by using the indication bit, that the first paging response is used to respond to the first paging message sent by the core network of the first standard.
  • FIG. 2 is a flow chart of a cross-system paging method according to another embodiment of the present invention.
  • the method of Fig. 2 is performed by the UE and corresponds to the method of Fig. 1, and thus the description overlapping with the embodiment of Fig. 2 will be omitted as appropriate.
  • the UE receives the second paging message of the second mode sent by the network side device, where the second paging message is configured by the network side device according to the first paging message sent by the core network of the first standard.
  • the call message is used to page the UE registered in the core network of the first system and resides on the air interface of the second system.
  • the UE establishes a second-standard air interface connection according to the second paging message.
  • the UE receives the second paging message sent by the network side device, where the second paging message is constructed by the network side device according to the first paging message sent by the core network of the first standard, and the first homing message is obtained.
  • the call message is used to page the UE registered in the core network of the first system and resides on the air interface of the second system; the UE establishes the air interface connection of the second mode according to the received second paging message.
  • the UE establishes a second mode air interface connection according to the second paging message.
  • the network side device configures the first paging message sent by the core network of the first system to be a paging message suitable for paging the second paging message sent from the air interface of the second system. Therefore, the UE does not need to transfer from the first system to the other system (the second system), that is, there is no need to establish and release the air interface connection of the first system, thereby effectively reducing the delay and reducing the waste of network resources.
  • the UE may be registered in the core network of the first standard and reside in the air interface of the second system (listening to the BCCH or PCCH of the second system). For example, the UE is in an idle state, is registered at the 2G/3G MSC and resides in the LTE air interface.
  • the UE may also register a core network of the second standard. For example, the UE is registered in the CS core network of the first system and the PS core network of the second system.
  • the UE is registered in the PS core network of the first standard and the CS core network of the second standard; or, the UE is simultaneously registered on the CS core network of the first standard and the second standard; or the UE is simultaneously registered in the first standard and The second standard PS core network.
  • the UE may be registered on a core network of different standards but the same core domain, or may be registered on a core network of different standards and different core domains. For a specific example, reference may be made to the embodiment of FIG. 1 , and details are not described herein again.
  • the UE registers in the core network of the two systems of the first system and the second system, and resides on the air interface of the second system. Since the UE performs services in the second-standard core network more frequently than in the first-standard core network, the UE resides on the air interface of the second system. Since the second mode air interface has a short delay and a short DRX cycle, the UE can be quickly paged.
  • the second paging message carries the second UE identifier of the UE in the second system, and the UE identifies the second paging message by using the second UE identifier.
  • the UE identity of the UE in the second mode is obtained by the network side device through the first UE identity conversion of the UE carried in the first paging message in the first standard.
  • the second paging message may carry at least one of the following parameters: a core network of the first format, a RAT parameter of the first format (such as LTE or GSM or UMTS, etc.), a paging cause, and the like. It should be understood that embodiments of the invention are not limited thereto.
  • the UE may determine, by using the first paging message included in the second paging message, that an air interface connection of the second mode needs to be established to perform subsequent services.
  • the UE may send a first paging response to the network side device, where the first paging response is used to respond to the first paging delivered by the core network of the first standard.
  • the message that is, the first page response is a page for the core network of the first format.
  • the first paging response may be a service request message.
  • the UE may carry the UE identifier in the first paging response, where the UE identifier is used to enable the network side device to identify that the first paging response is used to respond to the first paging message sent by the core network of the first standard. .
  • the UE may also add an indication bit in the first paging response, where the indication bit in the first paging response is used to enable the network side device to identify the first paging response for responding to the core of the first standard.
  • the first paging message sent That is, the UE may indicate to the network side device that the paging response is in response to the first paging message by carrying the UE identifier or adding the indication bit in the first paging response.
  • the network side device constructs a second paging response of the first system according to the first paging response, and sends the second paging response to the core network of the first standard.
  • the UE is simultaneously registered on the core network of the first system and the second system and resides in the air interface of the second system, and the core network of the first system stores the registration information of the UE.
  • the first system will use GSM as an example
  • the second system will use LTE as an example
  • the network side device will use SRC as an example. It should be understood that the embodiments of the present invention are not limited thereto.
  • the core network of the first format sends a first paging message to the SRC.
  • the UE is in an idle state, is registered in the MSC of the GSM system (2G) and resides in the air interface of the LTE system, and the MSC stores the registration information of the UE (such as the cell identifier cell id) in the HSS (Home Subscriber Server, attribution)
  • the user server also stores registration information and subscription information of the UE.
  • the MSC receives the CS call in CSS, and the MSC sends a CS paging message (CS paging: CS call in) to the SRC.
  • CS paging CS paging: CS call in
  • the SRC constructs a second paging message according to the first paging message.
  • the SRC may identify that the UE resides on the air interface of the second standard according to the RAT resident information of the saved UE, such as the identifier of the cell where the UE camps, and the first UE identifier carried in the first paging message. That is, it is determined that the second paging message needs to be sent from the air interface of the second standard. That is to say, the second paging message needs to adopt an air interface format conforming to the second standard. For example, when the second mode is the LTE system, the second paging message is a paging message conforming to the EUTRAN air interface (Uu interface) format, and the second paging message is sent by selecting a suitable DRX window.
  • the second mode is the LTE system
  • the second paging message is a paging message conforming to the EUTRAN air interface (Uu interface) format, and the second paging message is sent by selecting a suitable DRX window.
  • the SRC may determine, according to the camping area information of the UE, the cell in which the UE camps, that is, the second paging mode in which the area range is sent by the camping area information. For example, the SRC may obtain the second information according to the mapping relationship between the paging area range information of the first standard and the information of the paging area of the second standard according to the first standard Location Area id 1 carried in the first paging message. Tracking Area id2.
  • the SRC may perform corresponding conversion on the parameters carried in the first paging message to obtain the second paging message, instead of using the first paging message in the second paging message.
  • the SRC converts the TMSI/P-TMSI in the 2G to the S-TMSL in the LTE system.
  • the SRC may set some parameters in the second paging message, such as a core domain of the first standard (such as CS or PS), a RAT parameter of the first format (such as 2G), or a paging cause. It should be understood that embodiments of the invention are not limited thereto.
  • the SRC may adopt a manner in which the first paging message is included in the second paging message, In other words, the first paging message can be placed in the second paging message as a container.
  • the SRC places the first paging message delivered by the 2G MSC into the EUTRAN paging message of the LTE system.
  • the SRC sends a second paging message to the UE.
  • the SRC may calculate the DRX paging window by using the IMSI of the UE and the default configuration of the UE, or by using the relevant parameters of the EURRAN paging window in the IMSI and system messages of the UE.
  • the SRC sends a second paging message through the DRX paging window.
  • the UE establishes a second-standard air interface connection with the SRC.
  • the UE may camp on the EUTRAN frequency and listen to the PCCH of the EUTRAN. After receiving the second paging message sent by the SRC in step 303, the UE initiates an air interface connection establishment process, that is, an RRC connection establishment procedure.
  • an air interface connection establishment process that is, an RRC connection establishment procedure.
  • the UE sends a first paging response to the SRC by using an air interface of the second mode.
  • the first paging response may be a service request message (such as a 2G service request), that is, a paging response is performed by using the service request.
  • a service request message such as a 2G service request
  • the UE may indicate to the SRC that the first paging response is in response to the first paging message by carrying the identifier of the UE or adding the indication bit in the first paging response.
  • the SRC constructs a second paging response according to the first paging response.
  • the SRC sends the constructed second paging response to the core network of the first standard.
  • the SRC identifies, according to the first paging response received in step 305 (such as the UE identifier and the indicator bit carried in the first paging response), that the first paging response is for the core network of the first standard (such as 2G).
  • the first paging response is configured as a second paging response of the first system, that is, the second paging response conforms to the 2G standard, and is sent to the 2G MSC.
  • the configuration manner of the paging message will not repeat them here.
  • the network side device is configured to page the UE according to the first paging message sent by the core network of the first system, and the second paging message sent by the air interface of the second system is used to page the UE.
  • One system is transferred to the network of other standards (second mode), thereby effectively reducing the delay and reducing the waste of network resources.
  • the network side device 400 is a structural block diagram of a network side device according to an embodiment of the present invention.
  • the network side device can be an SRC.
  • the network side device 400 includes a receiving unit 401, a construction unit 402, and a transmitting unit 403.
  • the receiving unit 401 is configured to receive a first paging message that is sent by the core network of the first system, where the first paging message is used for paging to register in a core network of the first system, and resides on an air interface of the second system.
  • the constructing unit 402 is configured to construct a second paging message of the second system according to the first paging message received by the receiving unit 401.
  • the sending unit 403 is configured to send, to the UE, a second paging message constructed by the constructing unit 402.
  • the UE may be registered in the core network of the first standard and reside in the air interface of the second system (listening the channel of the second system of BCCH, CBCH or cell broadcast channel, that is, listening for system messages or cell broadcast messages, etc. ) or PCCH).
  • the UE is in an idle state, is registered in the 2G/3G MSC and resides in the LTE air interface.
  • the UE may also register a core network of the second standard.
  • the UE is registered in the first-standard CS core network and the second-standard PS core network; or, the UE is registered in the first-standard PS core network and the second-standard CS core network; or, the UE is simultaneously registered in the first The CS core network of the standard and the second system; or the UE is simultaneously registered on the PS core network of the first system and the second system.
  • the UE may be registered on a core network of different standards but the same core domain, or may be registered on a core network of different standards and different core domains.
  • the UE registers in the core network of the two systems of the first system and the second system, and resides on the air interface of the second system. Since the UE performs services in the second-standard core network more frequently than in the first-standard core network, the UE resides on the air interface of the second system. Since the second mode air interface has a short delay and a short DRX cycle, the UE can be quickly paged.
  • the network side device constructs a second paging message of the second system according to the received first paging message sent by the core network of the first standard, where the first paging message is used for paging registration.
  • a standard core network and a UE camping on the air interface of the second system, so that the UE establishes a second-standard air interface connection according to the received second paging message. Therefore, the first paging message sent by the network side device according to the core network of the first system is configured to page the UE according to the second paging message sent by the air interface of the second standard, without the UE being required to be the first
  • the system is transferred to other networks (second mode) to effectively reduce latency and reduce network resource waste.
  • the network side device 400 can implement the operations related to the network side device in the embodiments of FIG. 1 to FIG. 3, and therefore, in order to avoid repetition, details are not described in detail.
  • the constructing unit 402 is specifically configured to: perform corresponding conversion on the parameters carried in the first paging message to obtain a second paging message.
  • the UE carried in the first paging message is converted into a first UE identifier (UE-identity) of the first system into a second UE identifier of the UE in the second format.
  • UE-identity UE-identity
  • SRC converts TMSI P-TMSI in 2G/3G to LTE format S-TMSI.
  • the constructing unit 402 is specifically configured to: determine, according to a core network that sends the first paging message, a parameter of the core network of the first standard, and set a parameter of the core network of the first standard in the second paging message.
  • the parameters of the core network of the first format may include at least one of the following information: a core domain of the core network of the first format or a RAT parameter.
  • the constructing unit 402 is specifically configured to: include the first paging message in the second paging message.
  • the first paging message can be placed in the second paging message as a container.
  • the network side device 400 may further include an identifying unit 404 and a storage unit 405.
  • the identifying unit 404 is configured to identify, according to the RAT camping information of the UE that is stored by the storage unit 405 and the first UE identifier that is carried in the first paging message that is received by the receiving unit 401, that the UE resides on the air interface of the second system, that is, determine The second paging message needs to be sent from the air interface of the second mode. Further, the identifying unit 404 is further configured to: determine, according to the camping area information of the UE, a cell in which the UE camps.
  • the constructing unit 402 may also be used to pass the IMSI of the UE and the default configuration of the UE (such as paging location area/cell range of accommodation, paging component group parameters, paging DRX) The parameter or the like), or the second standard DRX paging window is calculated by using the IMSI of the UE and the related parameters of the paging window (such as the parameters of the DRX-related timer) in the system message, and the sending unit 403 can be used to pass The second paging DRX paging window sends a second paging message.
  • the default configuration of the UE such as paging location area/cell range of accommodation, paging component group parameters, paging DRX
  • the second standard DRX paging window is calculated by using the IMSI of the UE and the related parameters of the paging window (such as the parameters of the DRX-related timer) in the system message, and the sending unit 403 can be used to pass The second paging
  • the receiving unit 401 is further configured to: after the UE completes the establishment of the air interface connection of the second mode, receive a first paging response (such as a service request message) sent by the UE, where the first paging Responding to the first paging message sent by the core network in response to the first mode.
  • the constructing unit 402 is further configured to: configure the first paging response received by the receiving unit 401 into a second paging response of the first system, that is, the second paging response conforms to the first standard.
  • the first paging response may be included in the second paging response, or the parameter carried in the first paging response may be correspondingly converted to obtain a second paging response.
  • the sending unit 403 is further configured to: send the second paging response to the core network of the first system.
  • the identifying unit 404 is further configured to: identify, according to the identifier of the UE that is carried by the first paging response, that the first paging response is used to respond to the first paging message sent by the core network of the first standard.
  • the identifying unit 404 is further configured to: identify, according to the indication bit in the first paging response, the first paging response to be used to respond to the first paging message sent by the core network of the first standard.
  • FIG. 5 is a structural block diagram of a UE according to an embodiment of the present invention.
  • the UE 500 includes a receiving unit 501 and establishing unit 502.
  • the receiving unit 501 is configured to receive a second paging message of the second mode sent by the network side device, where the second paging message is configured by the network side device according to the first paging message sent by the core network of the first standard, The first paging message is used to page the UE registered in the core network of the first system and camp on the air interface of the second system.
  • the establishing unit 502 is configured to establish a second mode air interface connection according to the second paging message received by the receiving unit 501.
  • the UE may be registered in the core network of the first system and reside in the air interface of the second system (listening to the BCCH or PCCH of the second system). For example, the UE is in an idle state, is registered at the 2G/3G MSC and resides in the LTE air interface.
  • the UE may also register a core network of the second standard.
  • the UE is registered in the first-standard CS core network and the second-standard PS core network; or, the UE is registered in the first-standard PS core network and the second-standard CS core network; or, the UE is simultaneously registered in the first The CS core network of the standard and the second system; or the UE is simultaneously registered on the PS core network of the first system and the second system.
  • the UE may be registered on a core network of different standards but the same core network domain, or may be registered on a core network of different standard and different core network domains.
  • the UE registers in the core network of the two systems of the first system and the second system, and resides on the air interface of the second system. Since the UE performs services in the second-standard core network more frequently than in the first-standard core network, the UE resides on the air interface of the second system. Since the second mode air interface has a short delay and a short DRX cycle, the UE can be quickly paged.
  • the UE receives the second paging message sent by the network side device, where the second paging message is constructed by the network side device according to the first paging message sent by the core network of the first standard, and the first homing message is obtained.
  • the call message is used to page the UE registered in the core network of the first system and resides on the air interface of the second system; the UE establishes the air interface connection of the second mode according to the received second paging message.
  • the UE establishes a second mode air interface connection according to the second paging message.
  • the network side device configures the first paging message sent by the core network of the first system to be a paging message suitable for paging the second paging message sent from the air interface of the second system. Therefore, the UE does not need to transfer from the first system to the other system (the second system), that is, there is no need to establish and release the air interface connection of the first system, thereby effectively reducing the delay and reducing the waste of network resources.
  • the UE 500 may implement the operations related to the UE in the embodiments of FIG. 1 to FIG. 3, and thus will not be described in detail in order to avoid repetition.
  • the second paging message carries the second UE identifier of the UE in the second system, and the second UE identifier of the UE in the second system is used by the network side device to pass the first paging message.
  • the carried UE is obtained by the first UE identity conversion in the first system.
  • the second paging message may carry at least one of the following parameters: a core network of the first format, a RAT parameter of the first format, and a paging cause. It should be understood that embodiments of the invention are not limited thereto.
  • the establishing unit 502 is specifically configured to determine, by using the first paging message included in the second paging message, that an air interface connection of the second mode needs to be established, for performing subsequent services.
  • the UE may further include a sending unit 503.
  • the sending unit 503 is configured to send a first paging response to the network side device after the UE completes the establishment of the air interface connection of the second mode, where the first paging response is used to respond to the first paging delivered by the core network of the first standard.
  • the first paging response may be a service request message.
  • the establishing unit 502 is further configured to: carry the UE identifier in the first paging response, where the UE identifier is used to enable the network side device to identify the first paging response, and send the core network in response to the first standard. First page message.
  • the establishing unit 502 is further configured to: add an indication bit in the first paging response, where the indication bit in the first paging response is used to enable the network side device to identify the paging response for responding to the core of the first standard The first paging message sent by the network.
  • Example. 6 is a schematic block diagram of an apparatus in accordance with an embodiment of the present invention.
  • apparatus 600 includes a processor 601, a memory 602, a transmitter 603, and a receiver 604.
  • the processor 601 controls the operation of the device 600, which may also be referred to as a CPU (Central Processing Unit).
  • CPU Central Processing Unit
  • Memory 602 can include read only memory and random access memory and provides instructions and data to processor 601. A portion of memory 602 may also include non-volatile line random access memory (NVRAM).
  • the processor 601, the memory 602, the transmitter 603 and the receiver 604 are coupled together by a bus system 610, wherein the bus system 610 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • bus system 610 includes a power bus, a control bus, and a status signal bus in addition to the data bus.
  • various buses are labeled as bus system 610 in the figure. The foregoing method can be applied to the method disclosed in the embodiment of the present invention.
  • the processor 601 may be an integrated circuit chip with signal processing capability.
  • each step of the foregoing method may be completed by an integrated logic circuit of hardware in the processor 601 or an instruction in a form of software.
  • the processor 601 may be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; or a digital signal processing (DSP), dedicated Application Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component.
  • DSP digital signal processing
  • ASIC Application Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present invention may be implemented or executed.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • FIG. 7 is a structural block diagram of a network side device according to an embodiment of the present invention.
  • the network side device can be an SRC.
  • the network side device 700 includes a receiver 701, a processor 702, and a transmitter 703.
  • the receiver 701 is configured to receive a first paging message sent by the core network of the first standard, where the first paging message is used for paging registration in a core network of the first format, and is resident on the air interface of the second standard.
  • User equipment is configured to receive a first paging message sent by the core network of the first standard, where the first paging message is used for paging registration in a core network of the first format, and is resident on the air interface of the second standard.
  • the processor 702 is configured to construct a second paging message of the second system according to the first paging message received by the receiver 701.
  • the transmitter 703 is configured to send, to the UE, a second paging message constructed by the processor 702.
  • the UE may be registered in the core network of the first standard and reside in the air interface of the second system (listening the channel of the second system of BCCH, CBCH or cell broadcast channel, that is, listening for system messages or cell broadcast messages, etc. ) or PCCH).
  • the UE is in an idle state, is registered in the 2G/3G MSC and resides in the LTE air interface.
  • the UE may also register a core network of the second standard.
  • the UE is registered in the first-standard CS core network and the second-standard PS core network; or, the UE is registered in the first-standard PS core network and the second-standard CS core network; or, the UE is simultaneously registered in the first The CS core network of the standard and the second system; or the UE is simultaneously registered on the PS core network of the first system and the second system.
  • the UE may be registered on a core network of different standards but the same core domain, or may be registered on a core network of different standards and different core domains.
  • the UE registers in the core network of the two systems of the first system and the second system, and resides on the air interface of the second system. Because the UE performs more services on the second-standard core network than on the first-standard core network, the UE resides on the air interface of the second system. Since the second mode air interface has a short delay and a short DRX cycle, the UE can be quickly paged.
  • the network side device constructs a second paging message of the second system according to the received first paging message sent by the core network of the first standard, where the first paging message is used for paging registration.
  • a standard core network and a UE camping on the air interface of the second system, so that the UE establishes a second-standard air interface connection according to the received second paging message. Therefore, the first paging message sent by the network side device according to the core network of the first system is configured to page the UE according to the second paging message sent by the air interface of the second standard, without the UE being required to be the first
  • the system is transferred to other networks (second mode) to effectively reduce latency and reduce network resource waste.
  • the network side device 700 can implement the operations related to the network side device in the embodiments of FIG. 1 to FIG. 3, and therefore, in order to avoid repetition, details are not described in detail.
  • the processor 702 is specifically configured to: perform a corresponding conversion on a parameter carried in the first paging message to obtain a second paging message.
  • the UE carried in the first paging message is converted into a UE-identity of the first standard into a second UE identifier of the UE in the second format.
  • SRC converts TMSI P-TMSI in 2G/3G to LTE-based S-TMSL
  • the processor 702 is specifically configured to: determine, according to a core network that sends the first paging message, a parameter of the core network of the first standard, and set a parameter of the core network of the first standard in the second paging message.
  • the parameters of the core network of the first format may include at least one of the following: a core network domain or a RAT parameter of the core system of the first format.
  • the processor 702 is specifically configured to: include the first paging message in the second paging message.
  • the first paging message can be placed in the second paging message as a container.
  • the processor 702 is further configured to: according to the RAT camp information of the UE stored in the memory 704 and the first UE identifier carried in the first paging message received by the receiver 701, identify that the UE resides in the second format. On the air interface, it is determined that the second paging message needs to be sent from the air interface of the second standard. Further, according to the RAT camping information of the UE stored in the memory 704 and the first UE identifier carried in the first paging message received by the receiver 701, it is recognized that the UE resides on the air interface of the second mode, that is, the second is determined. The paging message needs to be sent from the air interface of the second system.
  • processing The 702 may be further configured to: determine, according to the camping area information of the UE, a cell where the UE camps.
  • the processor 702 is further configured to pass the IMSI of the UE and a default configuration of the UE (such as a location area of the paging/cell range, a paging group parameter, a paging DRX) The parameter or the like), or the second standard DRX paging window is calculated by the IMSI of the UE and the related parameters of the paging window (such as the parameters of the DRX-related timer) in the system message, and the transmitter 703 can be used to pass The second paging DRX paging window sends a second paging message.
  • the receiver 701 may be further configured to: after the UE completes the establishment of the air interface connection of the second mode, receive a first paging response (such as a service request message) sent by the UE, where the first paging Responding to the first paging message sent by the core network in response to the first mode.
  • the processor 702 is further configured to: configure the first paging response received by the receiver 701 into a second paging response of the first mode, that is, the second paging response conforms to the first system.
  • the first paging response may be included in the second paging response, or the parameter carried in the first paging response may be correspondingly converted to obtain a second paging response.
  • the transmitter 703 can also be configured to: send the second paging response to the core network of the first system.
  • the processor 702 is further configured to: identify, according to the identifier of the UE that is carried by the first paging response, that the first paging response is used to respond to the first paging message sent by the core network of the first standard. Alternatively, the processor 702 is further configured to: identify, according to the indication bit in the first paging response, that the first paging response is used to respond to the first paging message sent by the core network of the first system.
  • FIG. 8 is a structural block diagram of a UE according to an embodiment of the present invention.
  • the UE 800 includes a receiver 801 and a processor 802.
  • the receiver 801 is configured to receive a second paging message of the second mode sent by the network side device, where the second paging message is configured by the network side device according to the first paging message sent by the core network of the first standard, The first paging message is used to page the UE registered in the core network of the first system and camp on the air interface of the second system.
  • the processor 802 is configured to establish a second mode air interface connection according to the second paging message received by the receiver 801.
  • the UE may be registered in the core network of the first standard and reside in the air interface of the second system (listening to the BCCH or PCCH of the second system). For example, the UE is in an idle state, is registered at the 2G/3G MSC and resides in the LTE air interface.
  • the UE may also register a core network of the second standard. For example, the UE is registered in the first-standard CS core network and the second-standard PS core network; or, the UE is registered in the first-standard PS core network and the second-standard CS core network; or The UE is simultaneously registered on the CS core network of the first system and the second system; or the UE is simultaneously registered on the PS core network of the first system and the second system. It should be understood that the embodiment of the present invention is not limited thereto.
  • the UE may be registered on a core network of different standards but the same core domain, or may be registered on a core network of different standards and different core domains.
  • the UE registers in the core network of the two systems of the first system and the second system, and resides on the air interface of the second system. Since the UE performs services in the second-standard core network more frequently than in the first-standard core network, the UE resides on the air interface of the second system. Since the second mode air interface has a short delay and a short DRX cycle, the UE can be quickly paged.
  • the UE receives the second paging message sent by the network side device, where the second paging message is constructed by the network side device according to the first paging message sent by the core network of the first standard, and the first homing message is obtained.
  • the call message is used to page the UE registered in the core network of the first system and resides on the air interface of the second system; the UE establishes the air interface connection of the second mode according to the received second paging message.
  • the UE establishes a second mode air interface connection according to the second paging message.
  • the network side device configures the first paging message sent by the core network of the first system to be a paging message suitable for paging the second paging message sent from the air interface of the second system. Therefore, the UE does not need to transfer from the first system to the other system (the second system), that is, there is no need to establish and release the air interface connection of the first system, thereby effectively reducing the delay and reducing the waste of network resources.
  • the UE 800 can implement the operations related to the UE in the embodiments of FIG. 1 to FIG. 3, and therefore, in order to avoid repetition, details are not described in detail.
  • the second paging message carries the second UE identifier of the UE in the second system, and the second UE identifier of the UE in the second system is used by the network side device to pass the first paging message.
  • the carried UE is obtained by the first UE identity conversion in the first system.
  • the second paging message may carry at least one of the following parameters: a core network of the first format, a RAT parameter of the first format, and a paging cause. It should be understood that embodiments of the invention are not limited thereto.
  • the processor 802 is specifically configured to: determine, by using the first paging message included in the second paging message, that an air interface connection of the second mode needs to be established, for performing a subsequent service.
  • the UE may further include a transmitter 803.
  • the transmitter 803 is configured to send a first paging response to the network side device after the UE completes the establishment of the air interface connection of the second mode, where the first paging response is used to respond to the first paging delivered by the core network of the first standard.
  • the first paging response may be a service request message.
  • the processor 802 is further configured to: carry a UE identifier in the first paging response, where the UE identifier is used to enable the network side device to identify the first paging response, and send the core network in response to the first standard. First page message. .
  • the processor 802 may be further configured to: add an indication bit in the first paging response, where the indication bit in the first paging response is used to enable the network side device to identify the paging response for responding to the core of the first standard The first paging message sent by the network.
  • the UE may indicate to the network side device that the first paging response is in response to the first paging message by using the UE identifier or the indication bit in the first paging response, so that the network side device responds according to the first paging.
  • a second paging response is constructed, and the second paging response is sent to the core network of the first system.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise.
  • the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present invention which is essential to the prior art or part of the technical solution, may be embodied in the form of a software product stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like, which can store program codes. .

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Abstract

本发明实施例提供一种跨制式寻呼方法和设备,该方法包括:网络侧设备接收第一制式的核心网下发的第一寻呼消息,所述第一寻呼消息用于寻呼注册在所述第一制式的核心网,且驻留在第二制式的空口上的用户设备;所述网络侧设备根据所述第一寻呼消息,构造所述第二制式的第二寻呼消息;所述网络侧设备向所述用户设备发送所述第二寻呼消息。由于网络侧设备将第一制式的核心网下发的第一寻呼消息构造成适合从第二制式的空口下发的第二寻呼消息来寻呼UE。因此,UE无需从第一制式转移到其它制式(第二制式)的网络,即无需建立和释放第一制式的空口连接,从而有效地降低时延,并减少网络资源浪费。

Description

跨制式寻呼方法和设备 技术领域
本发明实施例涉及通信技术领域, 并且更具体地, 涉及一种跨制式寻呼 方法和设备。 背景技术
UE ( User Equipment, 用户设备 )注册到某一核心网, 当该 UE从一个 位置区域移动到新的位置区域, 会在注册的核心网管理的区域进行位置区 / 路由区 /跟踪区更新。 这样, 核心网知道 UE 当前所处的位置区域, 可以向 UE下发寻呼消息, UE收到寻呼消息后响应寻呼,从而建立与核心网的连接, 并进行后续的业务。
在跨制式系统中, UE可以同时注册到不同制式的核心网。 例如, UE同 时注册到两种制式的 PS ( Packet Switching, 分组交换)核心网, 如同时注 册在 LTE制式的 MME ( Mobility Management Entity, 移动性管理网元 )和 GSM ( Global System of Mobile communication, 全球移动通信系统)制式 /UMTS ( Universal Mobile Telecommunications System ) (也称为 "2G/3G" ) 的 SGSN ( Serving GPRS ( General Packet Radio Service,通用分组无线业务); 或者, UE同时注册两种制式的 CS ( Circuit switching, 电路交换 )核心网, 如 UE同时注册 2G和 3G的 MSC( Mobile Switching Center,电路交换中心)。
在跨制式系统中, 即使终端是同时注册到不同制式的核心网的, 但空口 驻留的制式总是与当前锚定的核心网的制式是相同的。例如 UE同时注册 2G 的 MSC和 LTE的 MME,如果当前终端驻留在 LTE空口,则 2G MSC和 LTE MME建立接口, 寻呼还是由 MME通过 eNB并经过 LTE空口下发给 UE。
在现有技术中,某一制式的核心网通过基站控制器在该制式对应的空口 将寻呼消息发送给 UE, UE在该制式对应的空口响应该寻呼消息, 并在该制 式的网络中建立承载。 但是, 此时 UE的业务可能不适合承载在该制式对应 的空口, 从而降低网络性能, 影响用户的业务体验。 若将 UE转移到其它制 式的网络, 需要触发 UE在其它制式的网络中的建立承载, 再由基站控制器 通过切换或重定向方式来完成 UE到其它制式的网络的转移, 导致呼叫时延 大, 此外, 在原制式的网络中建立承载造成了网络资源的浪费。 发明内容
本发明实施例提供一种跨制式寻呼方法和设备, 能够降低呼叫时延, 减 少网络资源的浪费。
第一方面, 提供了一种跨制式寻呼方法, 该方法包括: 网络侧设备接收 第一制式的核心网下发的第一寻呼消息, 所述第一寻呼消息用于寻呼注册在 所述第一制式的核心网, 且驻留在第二制式的空口上的用户设备; 所述网络 侧设备根据所述第一寻呼消息, 构造所述第二制式的第二寻呼消息; 所述网 络侧设备向所述用户设备发送所述第二寻呼消息。
结合第一方面, 在第一方面的另一种实现方式中, 所述第一寻呼消息携 带所述用户设备在所述第一制式中的第一用户设备标识, 所述网络侧设备根 据所述第一寻呼消息, 构造所述第二制式的第二寻呼消息, 包括: 所述网络 侧设备将所述第一用户设备标识转换为所述用户设备在所述第二制式中的 第二用户设备标识; 所述网络侧设备将所述第二用户设备标识设置在所述第 二寻呼消息中。
结合第一方面或其上述实现方式中的任一种实现方式,在第一方面的另 一种实现方式中, 所述网络侧设备根据所述第一寻呼消息构造所述第二制式 的第二寻呼消息, 包括: 所述网络侧设备根据下发所述第一寻呼消息的核心 网确定第一制式的核心网的参数,将所述第一制式的核心网的参数设置在所 述第二寻呼消息中。
结合第一方面或其上述实现方式中的任一种实现方式,在第一方面的另 一种实现方式中, 所述第一制式的核心网的参数包括以下信息中的至少一 种: 所述第一制式的核心网的核心网域、 无线接入技术 RAT参数。
结合第一方面或其上述实现方式中的任一种实现方式,在第一方面的另 一种实现方式中, 所述网络侧设备根据所述第一寻呼消息构造所述第二制式 的第二寻呼消息, 包括: 所述网络侧设备将所述第一寻呼消息包含在所述第 二寻呼消息中。
结合第一方面或其上述实现方式中的任一种实现方式,在第一方面的另 一种实现方式中, 所述用户设备还注册在所述第二制式的核心网上。
结合第一方面或其上述实现方式中的任一种实现方式,在第一方面的另 一种实现方式中, 所述用户设备注册在所述第一制式的电路交换 CS核心网 和所述第二制式的 PS核心网上; 或者所述用户设备注册在所述第一制式的 分组交换 PS核心网和所述第二制式的 CS核心网上; 或者所述用户设备注 册在所述第一制式的 CS核心网和所述第二制式的 CS核心网上; 或者所述 用户设备注册在所述第一制式的 PS核心网和所述第二制式的 PS核心网上。
结合第一方面或其上述实现方式中的任一种实现方式,在第一方面的另 一种实现方式中,在所述网络侧设备根据所述第一寻呼消息构造第二寻呼消 息之前, 所述方法还包括: 所述网络侧设备根据存储的所述用户设备的无线 接入技术 RAT驻留信息和所述第一寻呼消息中携带的所述第一用户设备标 识, 识别出所述用户设备驻留在所述第二制式的空口上。
结合第一方面或其上述实现方式中的任一种实现方式,在第一方面的另 一种实现方式中,在所述识别出所述用户设备驻留在所述第二制式的空口上 之后, 所述方法还包括: 所述网络侧设备根据所述用户设备的驻留区域信息 确定所述用户设备所驻留的小区。
结合第一方面或其上述实现方式中的任一种实现方式,在第一方面的另 一种实现方式中,所述网络侧设备在所述用户设备完成所述第二制式的空口 连接建立之后, 接收所述用户设备发送的第一寻呼响应, 所述第一寻呼响应 用于响应所述第一制式的核心网下发的所述第一寻呼消息; 所述网络侧设备 根据所述第一寻呼响应, 构造所述第一制式的第二寻呼响应; 所述网络侧设 备将所述第二寻呼响应发送给所述第一制式的核心网。
结合第一方面或其上述实现方式中的任一种实现方式,在第一方面的另 一种实现方式中, 在所述网络侧设备根据所述第一寻呼响应, 构造所述第一 制式的第二寻呼响应之前, 所述方法还包括: 所述网络侧设备根据所述第一 寻呼响应携带的所述用户设备的标识,识别出所述第一寻呼响应用于响应所 述第一制式的核心网下发的所述第一寻呼消息; 或者, 所述网络侧设备根据 所述第一寻呼响应中的指示位,识别出所述第一寻呼响应用于响应所述第一 制式的核心网下发的所述第一寻呼消息。
第二方面, 提供了一种跨制式寻呼方法, 该方法包括: 用户设备接收网 络侧设备发送的所述第二制式的第二寻呼消息, 所述第二寻呼消息是由所述 网络侧设备根据所述第一制式的核心网下发的第一寻呼消息构造的, 所述第 一寻呼消息用于寻呼注册在所述第一制式的核心网,且驻留在第二制式的空 口上的所述用户设备; 所述用户设备根据所述第二寻呼消息建立第二制式的 空口连接。
结合第二方面, 在第二方面的另一种实现方式中, 所述第二寻呼消息携 带所述用户设备在所述第二制式中的第二用户设备标识, 所述第二用户设备 标识是由所述网络侧设备将所述第一寻呼消息携带的所述用户设备在所述 第一制式中的第一用户设备标识转换获得的。
结合第二方面或其上述实现方式中的任一种实现方式,在第二方面的另 一种实现方式中, 所述第二寻呼消息携带所述第一制式的核心网的参数, 所 述第一制式的核心网的参数包括以下信息中的至少一种: 所述第一制式的核 心网的核心网域、 无线接入技术 RAT参数。
结合第二方面或其上述实现方式中的任一种实现方式,在第二方面的另 一种实现方式中,在所述用户设备根据所述第二寻呼消息建立第二制式的空 口连接之前, 所述方法还包括: 所述用户设备通过在所述第二寻呼消息包含 的所述第一寻呼消息确定需要建立所述第二制式的空口连接。
结合第二方面或其上述实现方式中的任一种实现方式,在第二方面的另 一种实现方式中, 所述用户设备注册在所述第一制式的电路交换 CS核心网 和所述第二制式的 PS核心网上; 或者所述用户设备注册在所述第一制式的 分组交换 PS核心网和所述第二制式的 CS核心网上; 或者所述用户设备注 册在所述第一制式的 CS核心网和所述第二制式的 CS核心网上; 或者所述 用户设备注册在所述第一制式的 PS核心网和所述第二制式的 PS核心网上。
结合第二方面或其上述实现方式中的任一种实现方式,在第二方面的另 一种实现方式中, 在所述用户设备完成所述第二制式的空口连接建立之后, 所述用户设备向所述网络侧设备发送第一寻呼响应, 所述第一寻呼响应用于 响应所述第一制式的核心网下发的所述第一寻呼消息, 以便所述网络侧设备 根据所述第一寻呼响应, 构造所述第一制式的第二寻呼响应, 将所述第二寻 呼响应发送给所述第一制式的核心网。
结合第二方面或其上述实现方式中的任一种实现方式,在第二方面的另 一种实现方式中, 在所述用户设备向所述网络侧设备发送第一寻呼响应之 前; 所述方法还包括: 所述用户设备在所述第一寻呼响应中携带所述用户设 备的标识, 所述用户设备的标识用于使能所述网络侧设备识别出所述第一寻 呼响应用于响应所述第一制式的核心网下发的所述第一寻呼消息; 或者所述 用户设备在所述第一寻呼响应中增加指示位,所述第一寻呼响应中的指示位 用于使能所述网络侧设备识别出所述寻呼响应用于响应所述第一制式的核 心网下发的所述第一寻呼消息。
第三方面, 提供了一种网络侧设备, 该网络侧设备包括: 接收单元, 用 于接收接收第一制式的核心网下发的第一寻呼消息, 所述第一寻呼消息用于 寻呼注册在所述第一制式的核心网, 且驻留在第二制式的空口上的用户设 备; 构造单元, 用于根据所述接收单元接收的所述第一寻呼消息, 构造所述 第二制式的第二寻呼消息; 发送单元, 用于向所述用户设备发送所述构造单 元构造的所述第二寻呼消息。
结合第三方面, 在第三方面的另一种实现方式中, 所述构造单元具体用 于: 将所述第一寻呼消息携带的所述用户设备在所述第一制式中的第一用户 设备标识转换为所述用户设备在所述第二制式中的第二用户设备标识,将所 述第二用户设备标识设置在所述第二寻呼消息中。
结合第三方面或其上述实现方式中的任一种实现方式,在第三方面的另 一种实现方式中, 所述构造单元具体用于: 根据下发所述第一寻呼消息的核 心网确定第一制式的核心网的参数,将所述第一制式的核心网的参数设置在 所述第二寻呼消息中。
结合第三方面或其上述实现方式中的任一种实现方式,在第三方面的另 一种实现方式中, 所述第一制式的核心网的参数包括以下信息中的至少一 种: 所述第一制式的核心网的核心网域、 无线接入技术 RAT参数。
结合第三方面或其上述实现方式中的任一种实现方式,在第三方面的另 一种实现方式中, 所述构造单元具体用于: 将所述第一寻呼消息包含在所述 第二寻呼消息中。
结合第三方面或其上述实现方式中的任一种实现方式,在第三方面的另 一种实现方式中, 所述用户设备还注册在所述第二制式的核心网上。
结合第三方面或其上述实现方式中的任一种实现方式,在第三方面的另 一种实现方式中, 所述用户设备注册在所述第一制式的电路交换 CS核心网 和所述第二制式的 PS核心网上; 或者所述用户设备注册在所述第一制式的 分组交换 PS核心网和所述第二制式的 CS核心网上; 或者所述用户设备注 册在所述第一制式的 CS核心网和所述第二制式的 CS核心网上; 或者所述 用户设备注册在所述第一制式的 PS核心网和所述第二制式的 PS核心网上。
结合第三方面或其上述实现方式中的任一种实现方式,在第三方面的另 一种实现方式中, 所述网络侧设备还包括识别单元, 所述识别单元, 用于根 据存储的所述用户设备的无线接入技术 RAT驻留信息和所述接收单元接收 的所述第一寻呼消息中携带的所述第一用户设备标识,识别出所述用户设备 驻留在所述第二制式的空口上。
结合第三方面或其上述实现方式中的任一种实现方式,在第三方面的另 一种实现方式中, 所述识别单元还用于: 根据所述用户设备的驻留区域信息 确定所述用户设备所驻留的小区。
结合第三方面或其上述实现方式中的任一种实现方式,在第三方面的另 一种实现方式中, 所述接收单元还用于: 在所述用户设备完成所述第二制式 的空口连接建立之后, 接收所述用户设备发送的第一寻呼响应, 所述第一寻 呼响应用于响应所述第一制式的核心网下发的所述第一寻呼消息; 所述构造 单元还用于: 根据所述接收单元接收的所述第一寻呼响应, 构造所述第一制 式的第二寻呼响应; 所述发送单元还用于: 将所述构造单元构造的所述第二 寻呼响应发送给所述第一制式的核心网。
结合第三方面或其上述实现方式中的任一种实现方式,在第三方面的另 一种实现方式中, 所述识别单元还用于: 根据所述第一寻呼响应携带的所述 用户设备的标识,识别出所述第一寻呼响应用于响应所述第一制式的核心网 下发的所述第一寻呼消息; 或者, 所述识别单元还用于: 根据所述第一寻呼 响应中的指示位,识别出所述第一寻呼响应用于响应所述第一制式的核心网 下发的所述第一寻呼消息。
第四方面, 提供了一种用户设备, 该用户设备包括: 接收单元, 用于接 收网络侧设备发送的所述第二制式的第二寻呼消息, 所述第二寻呼消息是由 所述网络侧设备根据所述第一制式的核心网下发的第一寻呼消息构造的, 所 述第一寻呼消息用于寻呼注册在所述第一制式的核心网,且驻留在第二制式 的空口上的所述用户设备; 建立单元, 用于根据所述接收单元接收的所述第 二寻呼消息建立第二制式的空口连接。
结合第四方面, 在第三方面的另一种实现方式中, 所述接收单元接收的 所述第二寻呼消息携带所述用户设备在所述第二制式中的第二用户设备标 识, 所述第二用户设备标识是由所述网络侧设备将所述第一寻呼消息携带的 所述用户设备在所述第一制式中的第一用户设备标识转换获得的。
结合第四方面或其上述实现方式中的任一种实现方式,在第三方面的另 一种实现方式中, 所述第二寻呼消息携带所述第一制式的核心网的参数, 所 述第一制式的核心网的参数包括以下信息中的至少一种: 所述第一制式的核 心网的核心网域、 无线接入技术 RAT参数。
结合第四方面或其上述实现方式中的任一种实现方式,在第三方面的另 一种实现方式中, 所述建立单元具体用于: 通过在所述第二寻呼消息中包含 的所述第一寻呼消息确定需要建立所述第二制式的空口连接。
结合第四方面或其上述实现方式中的任一种实现方式,在第三方面的另 一种实现方式中, 所述用户设备还包括发送单元, 所述发送单元, 用于在所 述用户设备完成所述第二制式的空口连接建立之后, 所述用户设备向所述网 络侧设备发送第一寻呼响应, 所述第一寻呼响应用于响应所述第一制式的核 心网下发的所述第一寻呼消息, 以便所述网络侧设备根据所述第一寻呼响 应, 构造所述第一制式的第二寻呼响应, 将所述第二寻呼响应发送给所述第 一制式的核心网。
结合第四方面或其上述实现方式中的任一种实现方式,在第三方面的另 一种实现方式中, 所述建立单元还用于: 在所述第一寻呼响应中携带所述用 户设备的标识,所述用户设备的标识用于使能所述网络侧设备识别出所述第 一寻呼响应用于响应所述第一制式的核心网下发的所述第一寻呼消息; 或者 所述建立单元还用于: 在所述第一寻呼响应中增加指示位, 所述第一寻呼响 应中的指示位用于使能所述网络侧设备识别出所述寻呼响应用于响应所述 第一制式的核心网下发的所述第一寻呼消息。
本发明实施例网络侧设备根据接收到的由第一制式的核心网下发的第 一寻呼消息, 构造第二制式的第二寻呼消息, 第一寻呼消息用于寻呼注册在 第一制式的核心网, 且驻留在第二制式的空口上的 UE; UE根据接收到的第 二寻呼消息建立第二制式的空口连接。 由于网络侧设备将第一制式的核心网 下发的第一寻呼消息构造成适合从第二制式的空口下发的第二寻呼消息来 寻呼 UE。 因此, UE无需从第一制式转移到其它制式(第二制式) 的网络, 即无需建立和释放第一制式的空口连接, 从而有效地降低时延, 并减少网络 资源浪费。 附图说明
为了更清楚地说明本发明实施例的技术方案, 下面将对实施例或现有技 术描述中所需要使用的附图作筒单地介绍, 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 性劳动的前提下, 还可以根据这些附图获得其他的附图。
图 1是本发明一个实施例的跨制式寻呼方法的流程图。
图 2是本发明另一个实施例的跨制式寻呼方法的流程图。
图 3是本发明一个实施例的跨制式寻呼方法的过程的示意性流程图。 图 4是本发明一个实施例的网络侧设备的结构框图。
图 5是本发明一个实施例的用户设备的结构框图;
图 6是本发明一个实施例的设备的示意框图;
图 7是本发明另一个实施例的网络侧设备的结构框图;
图 8是本发明另一个实施例的用户设备的结构框图。 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作出创 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。
应理解, 本发明实施例的技术方案可以应用于各种通信系统, 例如: GSM系统、 CDMA( Code Division Multiple Access,码分多址)系统、 WCDMA ( Wideband Code Division Multiple Access , 宽带码分多址) 系统、 GPRS ( General Packet Radio Service, 通用分组无线业务;)、 LTE系统、 LTE FDD ( Frequency Division Duplex , 频分双工) 系统、 LTE TDD ( Time Division Duplex , 时分双工)、 UMTS , WiMAX ( Worldwide Interoperability for Microwave Access, 全球互联微波接入)通信系统等。
在本发明实施例中, 基站可以是 GSM 或 CDMA 中的 BTS ( Base Transceiver Station, 基站;), 也可以是 WCDMA中的 NB ( NodeB, 基站 )或 者 UMTS中的 BS ( Base Station, 基站;), 还可以是 LTE中的 eNB, 等等, 本发明并不限定。
基站控制器, 可以是 GSM或 CDMA中的 BSC, 也可以是 WCDMA中 的 RNC, 还可以合并在 LTE的 eNB中。
还应理解, 在本发明实施例中, 用户设备可称之为终端 (Terminal ), MS ( Mobile Station, 移动台)、 移动终端 ( Mobile Terminal )等, 该用户设 备可以经 RAN ( Radio Access Network, 无线接入网 )与一个或多个核心网 进行通信, 例如, 用户设备可以是移动电话(或称为 "蜂窝" 电话)、 具有 移动终端的计算机等, 例如, 用户设备还可以是便携式、 袖珍式、 手持式、 计算机内置的或者车载的移动装置, 它们与无线接入网交换语音和 /或数据。
在本发明中,通过一个统一无线控制器(Single Radio Controller, SRC ), 可以实现对各种制式无线资源进行管理, 能够更高效灵活快速的使用各个制 式的无线资源。 并且 SRC 的位置可以灵活设置, 可以放置在基站侧, 也可 以作为一个单独的实体。
图 1是本发明一个实施例的跨制式寻呼方法的流程图。 图 1的方法由网 络侧设备 (如 SRC )执行。
101 , 网络侧设备接收第一制式的核心网下发的第一寻呼消息, 第一寻 呼消息用于寻呼注册在第一制式的核心网,且驻留在第二制式的空口上的用 户设备。
102, 网络侧设备根据第一寻呼消息, 构造第二制式的第二寻呼消息。
103 , 网络侧设备向用户设备发送第二寻呼消息。
本发明实施例网络侧设备根据接收到的由第一制式的核心网下发的第 一寻呼消息, 构造第二制式的第二寻呼消息, 第一寻呼消息用于寻呼注册在 第一制式的核心网, 且驻留在第二制式的空口上的 UE, 以便 UE根据接收 到的第二寻呼消息建立第二制式的空口连接。 因此, 通过网络侧设备根据第 一制式的核心网下发的第一寻呼消息构造成适合从第二制式的空口下发的 第二寻呼消息来寻呼 UE, 无需将该 UE从第一制式转移到其它制式(第二 制式) 的网络, 从而有效地降低时延, 并减少网络资源浪费。
本发明实施例中, UE可以注册(attach )在第一制式的核心网且驻留在 第二制式的空口 (监听第二制式的 BCCH ( Broadcasting Control Channel , 广 播控制信道, CBCH ( Cell Broadcasting Channel )或小区广播信道等信道, 即监听系统消息或小区广播等消息)或 PCCH ( Physical Control Channel, 物 理控制信道, 即监听寻呼等消息))。 例如, UE处于空闲态, 注册在 2G/3G 的 MSC且驻留在 LTE空口。 可选地, 当接收到第一制式的核心网下发的第 一寻呼( paging )消息,网络侧设备可以根据保存的 UE的 RAT( Radio Access Technology, 无线接入技术 )驻留信息确定该 UE驻留在第二制式。 可选地, UE还可以注册第二种制式的核心网上。 例如, UE注册在第一 制式的 CS核心网和第二制式的 PS核心网上; 或者, UE注册在第一制式的 PS核心网和第二制式的 CS核心网上; 或者, UE同时注册在第一制式和第 二制式的 CS核心网上;或者 UE同时注册在第一制式和第二制式的 PS核心 网上。 应理解, 本发明实施例对此并不限定, UE可以注册在不同制式但相 同核心网域的核心网上, 也可以注册在不同制式且不同核心网域的核心网 上。 例如, UE同时注册在 2G MSC和 LTE MME上, 或者, UE同时注册在 2G SGSN和 LTE MME上。
这样, UE注册在第一制式和第二制式的两种制式的核心网, 且驻留在 第二制式的空口上。 因为 UE在第二制式核心网进行业务比在第一制式核心 网进行业务的次数多, 所以 UE驻留在第二制式的空口上。 由于第二制式空 口时延短, DRX ( Discontinuous Reception, 非连续接收)周期短, 因此, 能 够很快地寻呼到 UE。
可选地, 作为一个实施例, 在步骤 102中, 在一种实现方式下, 网络侧 设备可以将第一寻呼消息中携带的参数进行相应的转换获得第二寻呼消息。 具体地, 网络侧设备将第一寻呼消息中携带的 UE在第一制式的第一 UE标 识( UE-identity )转换成 UE在第二制式的第二 UE标识。例如, SRC将 2G/3G 中的 TMSI ( Temporary Mobile Subscriber Identity, 临时移动用户识别码)、 P-TMSK Packet TMSI,分组临时移动用户识别码)转换成 LTE制式的 S-TMSI ( Short TMSI , 短临时移动用户识别码)。 当 UE 标识采用的是 IMSI ( International Mobile Subscriber Identification Number, 国际移动用户只另 ll 码) 时, 可以不进行转换。
可选地, 网络侧设备可以根据下发该第一寻呼消息的核心网确定第一制 式的核心网的参数, 将第一制式的核心网的参数设置在第二寻呼消息中, 第 一制式的核心网的参数包括但不限于:第一制式的核心网的核心网域或 RAT 参数 (如 LTE或 GSM或 UMTS等)等。 例如, 网络侧设备可以根据下发该 第一寻呼消息的核心网的标识确定第一制式的核心网域(如 PS域或 CS域), 如当第一制式的核心网为 MSC时, 可以确定核心网域为 CS域, 或者, 当 第一制式的核心网为 SGSN/MME时, 可以确定核心网域为 PS域, 将该核 心网域设置在第二寻呼消息中。
可选地, 网络侧设备可以在第二寻呼消息中增加其它参数, 如寻呼原因 等。 应理解, 本发明实施例对此并不限定。
可选地, 在步骤 102中, 在另一种实现方式下, 网络侧设备可以将第一 寻呼消息包含在第二寻呼消息中, 换句话说, 可以将第一寻呼消息作为容器 置于第二寻呼消息中。 例如, SRC将 2G/3G MSC下发的寻呼消息置于 LTE 制式的 EUTRAN ( Evolved Universal Terrestrial Radio Access , 演进的通用陆 地无线接入网) 的寻呼消息中。
可选地, 作为另一个实施例, 在步骤 102之前, 网络侧设备可以根据存 储的 UE的 RAT驻留信息(如 UE所驻留的 RAT制式(如 LTE ) )和驻留区 域信息(如 UE所驻留的小区的标识(如 cell id list ), eNB区域标识( eNB id list ), 位置区标识(如 Tracking Area id list ) )和第一寻呼消息中携带的第一 UE标识, 识别出 UE驻留在第二制式的空口上, 即确定第二寻呼消息需要 从第二制式的空口下发, 并通过驻留区域信息确定在哪些区域范围的第二制 式下发第二寻呼消息。 可选的, 还可以通过第一寻呼消息中携带的寻呼区域 范围信息(第一制式的寻呼位置区标识( Location Area id ) , BSC区标识( BSC id list ), 小区标识(cell id list ) )映射得出第二制式的寻呼区(小区标识, eNB 区域标识( eNB id list ), 位置区标识(如 Tracking Area id list ) )。 映射关系中 的一种举例, 如第一制式的 Location Area id 1对应第二制式的 Tracking Area id2 获得。 进一步, 可选的, 驻留区域信息可以通过上面两种方式进行结合 得到。
可选地, 作为另一个实施例, 在步骤 103中, 网络侧设备可以通过 UE 的 IMSI和 UE的默认配置(如寻呼的位置区 /小区范围的参数、 寻呼组分组 的参数、 寻呼 DRX参数等 ), 或者通过 UE的 IMSI和系统消息中的与寻呼 窗口的相关参数(如 DRX相关的定时器的参数等)计算出第二制式的 DRX 寻呼窗口,网络侧设备通过该第二制式的 DRX寻呼窗口下发第二寻呼消息。 可选的, 网络侧设备还可以使用第二制式中 DRX相关定时器参数的最小周 期值确定寻呼窗口, 在该寻呼窗口下发第二寻呼消息。
可选地, 作为另一个实施例, 在步骤 103之后, 网络侧设备可以在 UE 完成空口连接建立 (如建立 RRC ( Radio Resource Control, 无线资源控制 ) 连接)之后, 接收 UE发送的第一寻呼响应, 该第一寻呼响应用于响应第一 制式的核心网下发的第一寻呼消息。 可选地, 第一寻呼响应可以是业务请求 消息。 网络侧设备根据第一寻呼响应, 构造第一制式的第二寻呼响应, 即第 二寻呼响应符合第一制式, 将第二寻呼响应发送给第一制式的核心网。 具体 地,。 网络侧设备可以在第二寻呼响应中包含第一寻呼响应, 或者将第一寻 呼响应中携带的参数进行相应的转换获得第二寻呼响应。 网络侧设备根据第 一寻呼响应构造第二寻呼响应的方式可以参考上述网络侧设备根据第一寻 呼消息构造第二寻呼消息的实施例, 此处不再赘述。
可选地, UE可以在第一寻呼响应中携带 UE标识, 网络侧设备根据该 第一寻呼响应携带的 UE标识, 识别出第一寻呼响应用于响应第一制式的核 心网下发的第一寻呼消息。 或者, UE可以在第一寻呼响应中增加指示位, 网络侧设备通过该指示位,识别出第一寻呼响应用于响应第一制式的核心网 下发的第一寻呼消息。
图 2是本发明另一个实施例的跨制式寻呼方法的流程图。 图 2的方法由 UE执行, 并与图 1的方法相对应, 因此将适当省略与图 2的实施例重复的 描述。
201 , UE接收网络侧设备发送的第二制式的第二寻呼消息, 第二寻呼消 息是由网络侧设备根据第一制式的核心网下发的第一寻呼消息构造的, 第一 寻呼消息用于寻呼注册在第一制式的核心网,且驻留在第二制式的空口上的 UE。
202, UE根据第二寻呼消息建立第二制式的空口连接。
本发明实施例 UE接收网络侧设备发送的第二寻呼消息, 该第二寻呼消 息是由网络侧设备根据第一制式的核心网下发的第一寻呼消息构造得到的, 第一寻呼消息用于寻呼注册在第一制式的核心网,且驻留在第二制式的空口 上的 UE; UE根据接收到的第二寻呼消息建立第二制式的空口连接。 UE根 据第二寻呼消息建立第二制式的空口连接。 由于网络侧设备将第一制式的核 心网下发的第一寻呼消息构造成适合从第二制式的空口下发的第二寻呼消 息来寻呼 UE。 因此, UE无需从第一制式转移到其它制式(第二制式)的网 络, 即无需建立和释放第一制式的空口连接, 从而有效地降低时延, 并减少 网络资源浪费。
本发明实施例中, UE 可以注册在第一制式的核心网且驻留在第二制式 的空口 (监听第二制式的 BCCH或 PCCH )。 例如, UE处于空闲态, 注册在 2G/3G的 MSC且驻留在 LTE空口。 可选地, UE还可以注册第二种制式的 核心网上。 例如, UE注册在第一制式的 CS核心网和第二制式的 PS核心网 上; 或者, UE注册在第一制式的 PS核心网和第二制式的 CS核心网上; 或 者, UE同时注册在第一制式和第二制式的 CS核心网上; 或者 UE同时注册 在第一制式和第二制式的 PS核心网上。 应理解, 本发明实施例对此并不限 定, UE可以注册在不同制式但相同核心网域的核心网上, 也可以注册在不 同制式且不同核心网域的核心网上。 具体的例子可以参考图 1的实施例, 此 处不再赘述。
这样, UE注册在第一制式和第二制式的两种制式的核心网, 且驻留在 第二制式的空口上。 因为 UE在第二制式核心网进行业务比在第一制式核心 网进行业务的次数多, 所以 UE驻留在第二制式的空口上。 由于第二制式空 口时延短, DRX周期短, 因此, 能够很快地寻呼到 UE。
可选地, 作为一个实施例, 第二寻呼消息携带 UE在第二制式中的第二 UE标识, UE通过第二 UE标识识别第二寻呼消息。 UE在第二制式中的 UE 标识是由网络侧设备通过第一寻呼消息中携带的 UE在第一制式中的第一 UE标识转换获得的。
可选地, 第二寻呼消息可以携带下列至少一种参数: 第一制式的核心网 域, 第一制式的 RAT参数 (如 LTE或 GSM或 UMTS等)和寻呼原因等。 应理解, 本发明实施例并不限于此。
可选地, UE可以通过在第二寻呼消息中包含的第一寻呼消息, 确定需 要建立第二制式的空口连接, 以进行后续业务。
可选地, 作为另一个实施例, 在步骤 202之后, UE可以向网络侧设备 发送第一寻呼响应, 该第一寻呼响应用于响应第一制式的核心网下发的第一 寻呼消息, 即第一寻呼响应是针对第一制式的核心网的寻呼。 可选地, 第一 寻呼响应可以是业务请求消息。
可选地, UE可以在第一寻呼响应中携带 UE标识, UE标识用于使能网 络侧设备识别出第一寻呼响应用于响应第一制式的核心网下发的第一寻呼 消息。 或者, UE也可以在第一寻呼响应中增加指示位, 第一寻呼响应中的 指示位用于使能网络侧设备识别出第一寻呼响应用于响应第一制式的核 ' - 网下发的第一寻呼消息。 即 UE可以通过在第一寻呼响应中携带 UE标识或 者增加指示位等方式向网络侧设备指示该寻呼响应是响应第一寻呼消息的。 这样, 网络侧设备根据第一寻呼响应, 构造第一制式的第二寻呼响应, 将第 二寻呼响应发送给第一制式的核心网。 下面结合图 3的例子更加详细地描述本发明实施例。在图 3的实施例中, UE 同时注册在第一制式和第二制式的核心网上且驻留在第二制式的空口, 在第一制式的核心网保存 UE的注册信息。 第一制式将以 GSM为例, 第二 制式将以 LTE制式为例, 网络侧设备以 SRC为例进行说明。 应理解, 本发 明实施例对此并不限定。
301 , 第一制式的核心网向 SRC发送第一寻呼消息。
具体地, UE处于空闲态, 注册在 GSM制式(2G ) 的 MSC且驻留在 LTE制式的空口, 在 MSC存储了 UE的注册信息 (如小区标识 cell id ), 在 HSS ( Home Subscriber Server, 归属用户服务器 )也存储 UE的注册信息和 签约信息。 例如, MSC接收到 HSS发送的 CS寻呼(CS call in ), MSC向 SRC发送 CS寻呼消息 ( CS paging: CS call in )。
需要说明的是, 上述例子中的制式和 CS寻呼等仅仅是示例性的, 而非 要限制本发明的范围。
302 , SRC根据第一寻呼消息构造第二寻呼消息。
具体地, SRC可以根据保存的 UE的 RAT驻留信息(如 UE驻留的小区 的标识)和第一寻呼消息中携带的第一 UE标识, 识别出 UE驻留在第二制 式的空口上, 即确定第二寻呼消息需要从第二制式的空口下发。 也就是说, 第二寻呼消息需采用符合第二制式的空口格式。例如, 第二制式为 LTE制式 时, 第二寻呼消息是符合 EUTRAN空口 (Uu口)格式的寻呼消息, 并且需 要选择合适的 DRX窗口下发该第二寻呼消息。进一步地, SRC可以根据 UE 的驻留区域信息确定 UE所驻留的小区, 即通过驻留区域信息确定在哪些区 域范围的第二制式下发第二寻呼消息。如, SRC还可以通过第一制式的寻呼 区域范围信息和第二制式的寻呼区的信息之间的映射关系,根据第一寻呼消 息中携带的第一制式 Location Area id 1获得第二制式的 Tracking Area id2。
可选地, SRC可以不采用在第二寻呼消息中包含第一寻呼消息的方式, 将第一寻呼消息中携带的参数进行相应的转换获得第二寻呼消息。 例如, SRC将 2G中的 TMSI/P-TMSI转换成 LTE制式的 S-TMSL 当 UE标识采用 的是 IMSI时, 可以不进行转换。 可选地, SRC可以在第二寻呼消息中设置 一些参数,如第一制式的核心网域(如 CS或 PS ),第一制式的 RAT参数(如 2G )或寻呼原因等。 应理解, 本发明实施例并不限于此。
可选地, SRC可以采用在第二寻呼消息中包含第一寻呼消息的方式, 换 句话说, 可以将第一寻呼消息作为容器置于第二寻呼消息中。 例如, SRC将 2G MSC下发的第一寻呼消息置于 LTE制式的 EUTRAN寻呼消息中。
303, SRC将第二寻呼消息发送给 UE。
具体地, SRC可以通过 UE的 IMSI和 UE的默认配置, 或者通过 UE 的 IMSI和系统消息中的与 EURRAN寻呼窗口的相关参数计算出 DRX寻呼 窗口。 SRC通过该 DRX寻呼窗口下发第二寻呼消息。
304, UE与 SRC建立第二制式的空口连接。
例如, UE可以在 EUTRAN频点驻留且监听 EUTRAN的 PCCH, 在步 骤 303接收到 SRC发送的第二寻呼消息后, 在 EUTRAN发起空口连接建立 流程, 即 RRC连接建立流程。
305, UE通过第二制式的空口向 SRC发送第一寻呼响应。
可选地, 第一寻呼响应可以是业务请求消息(如 2G业务请求), 即通过 业务请求来进行寻呼响应。
可选地, UE可以通过在第一寻呼响应中携带该 UE的标识或者增加指 示位等方式向 SRC指示该第一寻呼响应是响应第一寻呼消息的。
306, SRC根据第一寻呼响应构造第二寻呼响应。
307, SRC将构造的第二寻呼响应发送给第一制式的核心网。
具体地, SRC根据在步骤 305接收到的第一寻呼响应(如第一寻呼响应 中携带的 UE标识和指示位)识别出第一寻呼响应是针对第一制式的核心网 (如 2G MSC ) 的, 将该第一寻呼响应构造成第一制式的第二寻呼响应, 即 第二寻呼响应符合 2G制式, 发送给 2G MSC, 具体的例子可以参考上述寻 呼消息的构造方式, 此处不再赘述。
通过上述方案, 网络侧设备根据第一制式的核心网下发的第一寻呼消息 构造成适合从第二制式的空口下发的第二寻呼消息来寻呼 UE,无需将该 UE 从第一制式转移到其它制式(第二制式)的网络, 从而有效地降低时延, 并 减少网络资源浪费。
图 4是本发明一个实施例的网络侧设备的结构框图。该网络侧设备可以 为 SRC。 网络侧设备 400包括接收单元 401、构造单元 402和发送单元 403。
接收单元 401 , 用于接收第一制式的核心网下发的第一寻呼消息, 第一 寻呼消息用于寻呼注册在第一制式的核心网,且驻留在第二制式的空口上的 用户设备。 构造单元 402, 用于根据接收单元 401接收的第一寻呼消息, 构造第二 制式的第二寻呼消息。
发送单元 403, 用于向 UE发送构造单元 402构造的第二寻呼消息。 本发明实施例中, UE 可以注册在第一制式的核心网且驻留在第二制式 的空口 (监听第二制式的 BCCH, CBCH或小区广播信道等信道, 即监听系 统消息或小区广播等消息)或 PCCH )。例如, UE处于空闲态,注册在 2G/3G 的 MSC且驻留在 LTE空口。
可选地, UE还可以注册第二种制式的核心网上。 例如, UE注册在第一 制式的 CS核心网和第二制式的 PS核心网上; 或者, UE注册在第一制式的 PS核心网和第二制式的 CS核心网上; 或者, UE同时注册在第一制式和第 二制式的 CS核心网上;或者 UE同时注册在第一制式和第二制式的 PS核心 网上。 应理解, 本发明实施例对此并不限定, UE可以注册在不同制式但相 同核心网域的核心网上, 也可以注册在不同制式且不同核心网域的核心网 上。
这样, UE注册在第一制式和第二制式的两种制式的核心网, 且驻留在 第二制式的空口上。 因为 UE在第二制式核心网进行业务比在第一制式核心 网进行业务的次数多, 所以 UE驻留在第二制式的空口上。 由于第二制式空 口时延短, DRX周期短, 因此, 能够很快地寻呼到 UE。
本发明实施例网络侧设备根据接收到的由第一制式的核心网下发的第 一寻呼消息, 构造第二制式的第二寻呼消息, 第一寻呼消息用于寻呼注册在 第一制式的核心网, 且驻留在第二制式的空口上的 UE, 以便 UE根据接收 到的第二寻呼消息建立第二制式的空口连接。 因此, 通过网络侧设备根据第 一制式的核心网下发的第一寻呼消息构造成适合从第二制式的空口下发的 第二寻呼消息来寻呼 UE, 无需将该 UE从第一制式转移到其它制式(第二 制式) 的网络, 从而有效地降低时延, 并减少网络资源浪费。
网络侧设备 400可实现图 1至图 3的实施例中涉及网络侧设备的操作, 因此为避免重复, 不再详细描述。
可选地, 作为一个实施例, 构造单元 402具体用于: 将第一寻呼消息中 携带的参数进行相应的转换获得第二寻呼消息。 具体地, 将第一寻呼消息中 携带的 UE在第一制式的第一 UE标识( UE-identity )转换成 UE在第二制式 的第二 UE标识。 例如, SRC将 2G/3G中的 TMSI P-TMSI转换成 LTE制式 的 S-TMSI。
可选地, 构造单元 402具体用于: 根据下发第一寻呼消息的核心网确定 第一制式的核心网的参数,将所第一制式的核心网的参数设置在第二寻呼消 息中。 第一制式的核心网的参数可以包括以下信息中的至少一种: 第一制式 的核心网的核心网域或 RAT参数。
可选地, 作为另一个实施例, 构造单元 402具体用于: 将第一寻呼消息 包含在第二寻呼消息中。 换句话说, 可以将第一寻呼消息作为容器置于第二 寻呼消息中。
可选地, 网络侧设备 400还可以包括识别单元 404和存储单元 405。 识 别单元 404用于根据存储单元 405存储的 UE的 RAT驻留信息和接收单元 401接收的第一寻呼消息中携带的第一 UE标识识别出 UE驻留在第二制式 的空口上, 即确定第二寻呼消息需要从第二制式的空口下发。 进一步地, 识 别单元 404还可以用于: 根据 UE的驻留区域信息确定 UE所驻留的小区。
可选地,作为另一个实施例,构造单元 402还可以用于通过 UE的 IMSI 和 UE的默认配置(如寻呼的位置区 /小区范围的餐宿、 寻呼组分组的参数、 寻呼 DRX参数等), 或者通过 UE的 IMSI和系统消息中的与寻呼窗口的相 关参数(如 DRX相关的定时器的参数等)计算出第二制式的 DRX寻呼窗口, 发送单元 403可以用于通过该第二制式的 DRX寻呼窗口下发第二寻呼消息。
可选地, 作为另一个实施例, 接收单元 401还可以用于: 在 UE完成第 二制式的空口连接建立之后, 接收 UE发送的第一寻呼响应 (如业务请求消 息), 第一寻呼响应用于响应第一制式的核心网下发的第一寻呼消息。 构造 单元 402还可以用于: 将接收单元 401接收的第一寻呼响应构造成第一制式 的第二寻呼响应, 即第二寻呼响应符合第一制式。 具体地, 可以在第二寻呼 响应中包含第一寻呼响应, 或者将第一寻呼响应中携带的参数进行相应的转 换获得第二寻呼响应。 发送单元 403还可以用于: 将第二寻呼响应发送给第 一制式的核心网。
进一步地, 识别单元 404还可以用于: 根据第一寻呼响应携带的 UE的 标识, 识别出第一寻呼响应用于响应第一制式的核心网下发的第一寻呼消 息。 或者, 识别单元 404还可以用于: 根据第一寻呼响应中的指示位, 识别 出第一寻呼响应用于响应第一制式的核心网下发的第一寻呼消息。
图 5是本发明一个实施例的 UE的结构框图。 该 UE 500包括接收单元 501和建立单元 502。
接收单元 501 , 用于接收网络侧设备发送的第二制式的第二寻呼消息, 第二寻呼消息是由网络侧设备根据第一制式的核心网下发的第一寻呼消息 构造的, 第一寻呼消息用于寻呼注册在第一制式的核心网, 且驻留在第二制 式的空口上的 UE。
建立单元 502, 用于根据接收单元 501接收的第二寻呼消息建立第二制 式的空口连接。
本发明实施例中, UE 可以注册在第一制式的核心网且驻留在第二制式 的空口 (监听第二制式的 BCCH或 PCCH )。 例如, UE处于空闲态, 注册在 2G/3G的 MSC且驻留在 LTE空口。 可选地, UE还可以注册第二种制式的 核心网上。 例如, UE注册在第一制式的 CS核心网和第二制式的 PS核心网 上; 或者, UE注册在第一制式的 PS核心网和第二制式的 CS核心网上; 或 者, UE同时注册在第一制式和第二制式的 CS核心网上; 或者 UE同时注册 在第一制式和第二制式的 PS核心网上。 应理解, 本发明实施例对此并不限 定, UE可以注册在不同制式但相同核心网域的核心网上, 也可以注册在不 同制式且不同核心网域的核心网上。
这样, UE注册在第一制式和第二制式的两种制式的核心网, 且驻留在 第二制式的空口上。 因为 UE在第二制式核心网进行业务比在第一制式核心 网进行业务的次数多, 所以 UE驻留在第二制式的空口上。 由于第二制式空 口时延短, DRX周期短, 因此, 能够很快地寻呼到 UE。
本发明实施例 UE接收网络侧设备发送的第二寻呼消息, 该第二寻呼消 息是由网络侧设备根据第一制式的核心网下发的第一寻呼消息构造得到的, 第一寻呼消息用于寻呼注册在第一制式的核心网,且驻留在第二制式的空口 上的 UE; UE根据接收到的第二寻呼消息建立第二制式的空口连接。 UE根 据第二寻呼消息建立第二制式的空口连接。 由于网络侧设备将第一制式的核 心网下发的第一寻呼消息构造成适合从第二制式的空口下发的第二寻呼消 息来寻呼 UE。 因此, UE无需从第一制式转移到其它制式(第二制式)的网 络, 即无需建立和释放第一制式的空口连接, 从而有效地降低时延, 并减少 网络资源浪费。
UE 500可实现图 1至图 3的实施例中涉及 UE的操作,因此为避免重复, 不再详细描述。 可选地, 作为一个实施例, 第二寻呼消息携带 UE在第二制式中的第二 UE标识, UE在第二制式中的第二 UE标识是由网络侧设备通过第一寻呼消 息中携带的 UE在第一制式中的第一 UE标识转换获得的。
可选地, 第二寻呼消息可以携带下列至少一种参数: 第一制式的核心网 域, 第一制式的 RAT参数和寻呼原因等。 应理解, 本发明实施例并不限于 此。
可选地, 作为另一个实施例, 建立单元 502可以具体用于通过在第二寻 呼消息中包含的第一寻呼消息, 确定需要建立第二制式的空口连接, 以进行 后续业务。
可选地, 作为另一个实施例, UE还可以包括发送单元 503。 发送单元 503用于在 UE完成第二制式的空口连接建立之后, 可以向网络侧设备发送 第一寻呼响应, 第一寻呼响应用于响应第一制式的核心网下发的第一寻呼消 息。 可选地, 第一寻呼响应可以是业务请求消息。
可选地, 建立单元 502还可以用于: 在第一寻呼响应中携带 UE标识, UE标识用于使能网络侧设备识别出第一寻呼响应用于响应第一制式的核心 网下发的第一寻呼消息。 或者, 建立单元 502还可以用于: 在第一寻呼响应 中增加指示位, 第一寻呼响应中的指示位用于使能网络侧设备识别出寻呼响 应用于响应第一制式的核心网下发的第一寻呼消息。 即 UE可以通过在第一 寻呼响应中携带 UE标识或者增加指示位等方式向网络侧设备指示该第一寻 呼响应是响应第一寻呼消息的, 以便网络侧设备根据第一寻呼响应构造第二 寻呼响应, 将第二寻呼响应发送给第一制式的核心网。 实施例。 图 6是本发明一个实施例的设备的示意框图, 在该实施例中, 设备 600包括处理器 601 , 存储器 602, 发射器 603和接收器 604。 处理器 601控 制设备 600的操作, 处理器 601还可以称为 CPU ( Central Processing Unit, 中央处理单元)。 存储器 602可以包括只读存储器和随机存取存储器, 并向 处理器 601提供指令和数据。存储器 602的一部分还可以包括非易失行随机 存取存储器( NVRAM )。 处理器 601 ,存储器 602, 发射器 603和接收器 604 通过总线系统 610耦合在一起, 其中总线系统 610除包括数据总线之外, 还 包括电源总线、 控制总线和状态信号总线。 但是为了清楚说明起见, 在图中 将各种总线都标为总线系统 610。 上述本发明实施例揭示的方法可以应用上述的设备 600。 其中, 处理器 601可能是一种集成电路芯片, 具有信号的处理能力。 在实现过程中, 上述 方法的各步骤可以通过处理器 601中的硬件的集成逻辑电路或者软件形式的 指令完成。 上述的处理器 601可以是通用处理器, 包括中央处理器(Central Processing Unit, CPU ), 网络处理器( Network Processor, NP )等; 还可以 是数字信号处理器 ( Digital Signal Processing , DSP )、 专用集成电路 ( Application Specific Integrated Circuit, ASIC )、 现成可编程门阵列 (Field Programmable Gate Array, FPGA )或者其他可编程逻辑器件、 分立门或者晶 体管逻辑器件、 分立硬件组件。 可以实现或者执行本发明实施例中的公开的 各方法、 步骤及逻辑框图。 通用处理器可以是微处理器或者该处理器也可以 是任何常规的处理器等。
进一步地, 图 7是本发明一个实施例的网络侧设备的结构框图。 该网络 侧设备可以为 SRC。 网络侧设备 700包括接收器 701、 处理器 702和发射器 703。
接收器 701 , 用于接收第一制式的核心网下发的第一寻呼消息, 第一寻 呼消息用于寻呼注册在第一制式的核心网,且驻留在第二制式的空口上的用 户设备。
处理器 702, 用于根据接收器 701接收的第一寻呼消息, 构造第二制式 的第二寻呼消息。
发射器 703, 用于向 UE发送处理器 702构造的第二寻呼消息。
本发明实施例中, UE 可以注册在第一制式的核心网且驻留在第二制式 的空口 (监听第二制式的 BCCH, CBCH或小区广播信道等信道, 即监听系 统消息或小区广播等消息)或 PCCH )。例如, UE处于空闲态,注册在 2G/3G 的 MSC且驻留在 LTE空口。
可选地, UE还可以注册第二种制式的核心网上。 例如, UE注册在第一 制式的 CS核心网和第二制式的 PS核心网上; 或者, UE注册在第一制式的 PS核心网和第二制式的 CS核心网上; 或者, UE同时注册在第一制式和第 二制式的 CS核心网上;或者 UE同时注册在第一制式和第二制式的 PS核心 网上。 应理解, 本发明实施例对此并不限定, UE可以注册在不同制式但相 同核心网域的核心网上, 也可以注册在不同制式且不同核心网域的核心网 上。 这样, UE注册在第一制式和第二制式的两种制式的核心网, 且驻留在 第二制式的空口上。 因为 UE在第二制式核心网进行业务比在第一制式核心 网进行业务的次数多, 所以 UE驻留在第二制式的空口上。 由于第二制式空 口时延短, DRX周期短, 因此, 能够很快地寻呼到 UE。
本发明实施例网络侧设备根据接收到的由第一制式的核心网下发的第 一寻呼消息, 构造第二制式的第二寻呼消息, 第一寻呼消息用于寻呼注册在 第一制式的核心网, 且驻留在第二制式的空口上的 UE, 以便 UE根据接收 到的第二寻呼消息建立第二制式的空口连接。 因此, 通过网络侧设备根据第 一制式的核心网下发的第一寻呼消息构造成适合从第二制式的空口下发的 第二寻呼消息来寻呼 UE, 无需将该 UE从第一制式转移到其它制式(第二 制式) 的网络, 从而有效地降低时延, 并减少网络资源浪费。
网络侧设备 700可实现图 1至图 3的实施例中涉及网络侧设备的操作, 因此为避免重复, 不再详细描述。
可选地, 作为一个实施例, 处理器 702具体用于: 将第一寻呼消息中携 带的参数进行相应的转换获得第二寻呼消息。 具体地, 将第一寻呼消息中携 带的 UE在第一制式的第一 UE标识( UE-identity )转换成 UE在第二制式的 第二 UE标识。 例如, SRC将 2G/3G中的 TMSI P-TMSI转换成 LTE制式的 S-TMSL
可选地, 处理器 702具体用于: 根据下发第一寻呼消息的核心网确定第 一制式的核心网的参数,将所第一制式的核心网的参数设置在第二寻呼消息 中。 第一制式的核心网的参数可以包括以下信息中的至少一种: 第一制式的 核心网的核心网域或 RAT参数。
可选地, 作为另一个实施例, 处理器 702具体用于: 将第一寻呼消息包 含在第二寻呼消息中。 换句话说, 可以将第一寻呼消息作为容器置于第二寻 呼消息中。
可选地,处理器 702还可以用于根据存储器 704存储的 UE的 RAT驻留 信息和接收器 701接收的第一寻呼消息中携带的第一 UE标识, 识别出 UE 驻留在第二制式的空口上, 即确定第二寻呼消息需要从第二制式的空口下 发。 进一步地, 根据存储器 704存储的 UE的 RAT驻留信息和接收器 701 接收的第一寻呼消息中携带的第一 UE标识, 识别出 UE驻留在第二制式的 空口上, 即确定第二寻呼消息需要从第二制式的空口下发。 进一步地, 处理 器 702还可以用于: 根据被 UE的驻留区域信息确定 UE所驻留的小区。 可选地, 作为另一个实施例, 处理器 702还可以用于通过 UE的 IMSI 和 UE的默认配置(如寻呼的位置区 /小区范围的餐宿、 寻呼组分组的参数、 寻呼 DRX参数等), 或者通过 UE的 IMSI和系统消息中的与寻呼窗口的相 关参数(如 DRX相关的定时器的参数等)计算出第二制式的 DRX寻呼窗口, 发射器 703可以用于通过该第二制式的 DRX寻呼窗口下发第二寻呼消息。
可选地, 作为另一个实施例, 接收器 701还可以用于: 在 UE完成第二 制式的空口连接建立之后,接收 UE发送的第一寻呼响应(如业务请求消息 ), 第一寻呼响应用于响应第一制式的核心网下发的第一寻呼消息。 处理器 702 还可以用于: 将接收器 701接收的第一寻呼响应构造成第一制式的第二寻呼 响应, 即第二寻呼响应符合第一制式。 具体地, 可以在第二寻呼响应中包含 第一寻呼响应,或者将第一寻呼响应中携带的参数进行相应的转换获得第二 寻呼响应。 发射器 703还可以用于: 将第二寻呼响应发送给第一制式的核心 网。
进一步地, 处理器 702还可以用于: 根据第一寻呼响应携带的 UE的标 识, 识别出第一寻呼响应用于响应第一制式的核心网下发的第一寻呼消息。 或者, 处理器 702还可以用于: 根据第一寻呼响应中的指示位, 识别出第一 寻呼响应用于响应第一制式的核心网下发的第一寻呼消息。
图 8是本发明一个实施例的 UE的结构框图。该 UE 800包括接收器 801 和处理器 802。
接收器 801 , 用于接收网络侧设备发送的第二制式的第二寻呼消息, 第 二寻呼消息是由网络侧设备根据第一制式的核心网下发的第一寻呼消息构 造的, 第一寻呼消息用于寻呼注册在第一制式的核心网, 且驻留在第二制式 的空口上的 UE。
处理器 802, 用于根据接收器 801接收的第二寻呼消息建立第二制式的 空口连接。
本发明实施例中, UE 可以注册在第一制式的核心网且驻留在第二制式 的空口 (监听第二制式的 BCCH或 PCCH )。 例如, UE处于空闲态, 注册在 2G/3G的 MSC且驻留在 LTE空口。 可选地, UE还可以注册第二种制式的 核心网上。 例如, UE注册在第一制式的 CS核心网和第二制式的 PS核心网 上; 或者, UE注册在第一制式的 PS核心网和第二制式的 CS核心网上; 或 者, UE同时注册在第一制式和第二制式的 CS核心网上; 或者 UE同时注册 在第一制式和第二制式的 PS核心网上。 应理解, 本发明实施例对此并不限 定, UE可以注册在不同制式但相同核心网域的核心网上, 也可以注册在不 同制式且不同核心网域的核心网上。
这样, UE注册在第一制式和第二制式的两种制式的核心网, 且驻留在 第二制式的空口上。 因为 UE在第二制式核心网进行业务比在第一制式核心 网进行业务的次数多, 所以 UE驻留在第二制式的空口上。 由于第二制式空 口时延短, DRX周期短, 因此, 能够很快地寻呼到 UE。
本发明实施例 UE接收网络侧设备发送的第二寻呼消息, 该第二寻呼消 息是由网络侧设备根据第一制式的核心网下发的第一寻呼消息构造得到的, 第一寻呼消息用于寻呼注册在第一制式的核心网,且驻留在第二制式的空口 上的 UE; UE根据接收到的第二寻呼消息建立第二制式的空口连接。 UE根 据第二寻呼消息建立第二制式的空口连接。 由于网络侧设备将第一制式的核 心网下发的第一寻呼消息构造成适合从第二制式的空口下发的第二寻呼消 息来寻呼 UE。 因此, UE无需从第一制式转移到其它制式(第二制式)的网 络, 即无需建立和释放第一制式的空口连接, 从而有效地降低时延, 并减少 网络资源浪费。
UE 800可实现图 1至图 3的实施例中涉及 UE的操作,因此为避免重复, 不再详细描述。
可选地, 作为一个实施例, 第二寻呼消息携带 UE在第二制式中的第二 UE标识, UE在第二制式中的第二 UE标识是由网络侧设备通过第一寻呼消 息中携带的 UE在第一制式中的第一 UE标识转换获得的。
可选地, 第二寻呼消息可以携带下列至少一种参数: 第一制式的核心网 域, 第一制式的 RAT参数和寻呼原因等。 应理解, 本发明实施例并不限于 此。
可选地, 作为另一个实施例, 处理器 802可以具体用于: 通过在第二寻 呼消息中包含的第一寻呼消息, 确定需要建立第二制式的空口连接, 以进行 后续业务。
可选地, 作为另一个实施例, UE还可以包括发射器 803。 发射器 803 用于在 UE完成第二制式的空口连接建立之后, 可以向网络侧设备发送第一 寻呼响应, 第一寻呼响应用于响应第一制式的核心网下发的第一寻呼消息。 可选地, 第一寻呼响应可以是业务请求消息。
可选地, 处理器 802还可以用于: 在第一寻呼响应中携带 UE标识, UE 标识用于使能网络侧设备识别出第一寻呼响应用于响应第一制式的核心网 下发的第一寻呼消息。。 或者, 处理器 802还可以用于: 在第一寻呼响应中 增加指示位, 第一寻呼响应中的指示位用于使能网络侧设备识别出寻呼响应 用于响应第一制式的核心网下发的第一寻呼消息。 即 UE可以通过在第一寻 呼响应中携带 UE标识或者增加指示位等方式向网络侧设备指示该第一寻呼 响应是响应第一寻呼消息的, 以便网络侧设备根据第一寻呼响应构造第二寻 呼响应, 将第二寻呼响应发送给第一制式的核心网。
本领域普通技术人员可以意识到, 结合本文中所公开的实施例描述的各 示例的单元及算法步骤, 能够以电子硬件、 或者计算机软件和电子硬件的结 合来实现。 这些功能究竟以硬件还是软件方式来执行, 取决于技术方案的特 定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方 法来实现所描述的功能, 但是这种实现不应认为超出本发明的范围。
所属领域的技术人员可以清楚地了解到, 为描述的方便和筒洁, 上述描 述的系统、 装置和单元的具体工作过程, 可以参考前述方法实施例中的对应 过程, 在此不再赘述。
在本申请所提供的几个实施例中, 应该理解到, 所揭露的系统、 装置和 方法, 可以通过其它的方式实现。 例如, 以上所描述的装置实施例仅仅是示 意性的, 例如, 所述单元的划分, 仅仅为一种逻辑功能划分, 实际实现时可 以有另外的划分方式, 例如多个单元或组件可以结合或者可以集成到另一个 系统, 或一些特征可以忽略, 或不执行。 另一点, 所显示或讨论的相互之间 的耦合或直接耦合或通信连接可以是通过一些接口, 装置或单元的间接耦合 或通信连接, 可以是电性, 机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作 为单元显示的部件可以是或者也可以不是物理单元, 即可以位于一个地方, 或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或 者全部单元来实现本实施例方案的目的。
另外, 在本发明各个实施例中的各功能单元可以集成在一个处理单元 中, 也可以是各个单元单独物理存在, 也可以两个或两个以上单元集成在一 个单元中。 所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使 用时, 可以存储在一个计算机可读取存储介质中。 基于这样的理解, 本发明 的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部 分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质 中, 包括若干指令用以使得一台计算机设备(可以是个人计算机, 服务器, 或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。 而前 述的存储介质包括: U盘、移动硬盘、只读存储器( ROM , Read-Only Memory )、 随机存取存储器(RAM, Random Access Memory ), 磁碟或者光盘等各种可 以存储程序代码的介质。
以上所述, 仅为本发明的具体实施方式, 但本发明的保护范围并不局限 于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可轻易 想到变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明的保护 范围应所述以权利要求的保护范围为准。

Claims

权利要求
1、 一种跨制式寻呼方法, 其特征在于, 包括:
网络侧设备接收第一制式的核心网下发的第一寻呼消息, 所述第一寻呼 消息用于寻呼注册在所述第一制式的核心网,且驻留在第二制式的空口上的 用户设备;
所述网络侧设备根据所述第一寻呼消息,构造所述第二制式的第二寻呼 消息;
所述网络侧设备向所述用户设备发送所述第二寻呼消息。
2、 如权利要求 1所述的方法, 其特征在于, 所述第一寻呼消息携带所 述用户设备在所述第一制式中的第一用户设备标识, 所述网络侧设备根据所 述第一寻呼消息, 构造所述第二制式的第二寻呼消息, 包括:
所述网络侧设备将所述第一用户设备标识转换为所述用户设备在所述 第二制式中的第二用户设备标识;
所述网络侧设备将所述第二用户设备标识设置在所述第二寻呼消息中。
3、 如权利要求 1或 2所述的方法, 其特征在于, 所述网络侧设备根据 所述第一寻呼消息, 构造所述第二制式的第二寻呼消息, 包括:
所述网络侧设备根据下发所述第一寻呼消息的核心网确定所述第一制 式的核心网的参数,将所述第一制式的核心网的参数设置在所述第二寻呼消 息中。
4、 如权利要求 3所述的方法, 其特征在于, 所述第一制式的核心网的 参数包括以下信息中的至少一种: 所述第一制式的核心网的核心网域、 无线 接入技术 RAT参数。
5、 如权利要求 1所述的方法, 其特征在于, 所述网络侧设备根据所述 第一寻呼消息, 构造所述第二制式的第二寻呼消息, 包括:
所述网络侧设备将所述第一寻呼消息包含在所述第二寻呼消息中。
6、 如权利要求 1-5任一项所述的方法, 其特征在于, 所述用户设备还 注册在所述第二制式的核心网上。
7、 如权利要求 6所述的方法, 其特征在于,
所述第一制式的核心网为电路交换 CS核心网或分组交换 PS核心网; 所述第二制式的核心网为 CS核心网或 PS核心网。
8、 如权利要求 6或 7所述的方法, 其特征在于, 在所述网络侧设备根 据所述第一寻呼消息构造第二寻呼消息之前, 所述方法还包括: 所述网络侧设备根据存储的所述用户设备的无线接入技术 RAT驻留信 息和所述第一寻呼消息中携带的所述第一用户设备标识,识别出所述用户设 备驻留在所述第二制式的空口上。
9、 如权利要求 8所述的方法, 其特征在于, 在所述识别出所述用户设 备驻留在所述第二制式的空口上之后, 所述方法还包括:
所述网络侧设备根据所述用户设备的驻留区域信息确定所述用户设备 所驻留的小区。
10、如权利要求 1-9任一项所述的方法, 其特征在于, 所述方法还包括: 所述网络侧设备在所述用户设备完成所述第二制式的空口连接建立之 后, 接收所述用户设备发送的第一寻呼响应, 所述第一寻呼响应用于响应所 述第一制式的核心网下发的所述第一寻呼消息;
所述网络侧设备根据所述第一寻呼响应,构造所述第一制式的第二寻呼 响应;
所述网络侧设备将所述第二寻呼响应发送给所述第一制式的核心网。
11、 如权利要求 10所述的方法, 其特征在于, 在所述网络侧设备根据 所述第一寻呼响应, 构造所述第一制式的第二寻呼响应之前, 所述方法还包 括:
所述网络侧设备根据所述第一寻呼响应携带的所述用户设备的标识,识 别出所述第一寻呼响应用于响应所述第一制式的核心网下发的所述第一寻 呼消息; 或者,
所述网络侧设备根据所述第一寻呼响应中的指示位,识别出所述第一寻 呼响应用于响应所述第一制式的核心网下发的所述第一寻呼消息。
12、 一种跨制式寻呼方法, 其特征在于, 包括:
用户设备接收网络侧设备发送的第二制式的第二寻呼消息, 所述第二寻 呼消息是由所述网络侧设备根据所述第一制式的核心网下发的第一寻呼消 息构造的, 所述第一寻呼消息用于寻呼注册在所述第一制式的核心网, 且驻 留在所述第二制式的空口上的所述用户设备;
所述用户设备根据所述第二寻呼消息建立第二制式的空口连接。
13、 如权利要求 12所述的方法, 其特征在于, 所述第二寻呼消息携带 所述用户设备在所述第二制式中的第二用户设备标识, 所述第二用户设备标 识是由所述网络侧设备将所述第一寻呼消息携带的所述用户设备在所述第 一制式中的第一用户设备标识转换获得的。
14、 如权利要求 12或 13所述的方法, 其特征在于, 所述第二寻呼消息 携带所述第一制式的核心网的参数,
所述第一制式的核心网的参数包括以下信息中的至少一种: 所述第一制 式的核心网的核心网域、 无线接入技术 RAT参数。
15、 如权利要求 12所述的方法, 其特征在于, 在所述用户设备根据所 述第二寻呼消息建立第二制式的空口连接之前, 所述方法还包括:
所述用户设备通过在所述第二寻呼消息包含的所述第一寻呼消息确定 需要建立所述第二制式的空口连接。
16、 如权利要求 12-15任一项所述的方法, 其特征在于,
所述用户设备注册在所述第一制式的电路交换 CS核心网和所述第二制 式的 PS核心网上; 或者
所述用户设备注册在所述第一制式的分组交换 PS核心网和所述第二制 式的 CS核心网上; 或者
所述用户设备注册在所述第一制式的 CS核心网和所述第二制式的 CS 核心网上; 或者
所述用户设备注册在所述第一制式的 PS 核心网和所述第二制式的 PS 核心网上。
17、 如权利要求 12-16任一项所述的方法, 其特征在于, 所述方法还包 括:
在所述用户设备完成所述第二制式的空口连接建立之后, 所述用户设备 向所述网络侧设备发送第一寻呼响应, 所述第一寻呼响应用于响应所述第一 制式的核心网下发的所述第一寻呼消息, 以便所述网络侧设备根据所述第一 寻呼响应, 构造所述第一制式的第二寻呼响应, 将所述第二寻呼响应发送给 所述第一制式的核心网。
18、 如权利要求 17所述的方法, 其特征在于, 在所述用户设备向所述 网络侧设备发送第一寻呼响应之前; 所述方法还包括:
所述用户设备在所述第一寻呼响应中携带所述用户设备的标识, 所述用 户设备的标识用于使能所述网络侧设备识别出所述第一寻呼响应用于响应 所述第一制式的核心网下发的所述第一寻呼消息; 或者 所述用户设备在所述第一寻呼响应中增加指示位, 所述第一寻呼响应中 的指示位用于使能所述网络侧设备识别出所述寻呼响应用于响应所述第一 制式的核心网下发的所述第一寻呼消息。
19、 一种网络侧设备, 其特征在于, 包括:
接收单元, 用于接收第一制式的核心网下发的第一寻呼消息, 所述第一 寻呼消息用于寻呼注册在所述第一制式的核心网,且驻留在第二制式的空口 上的用户设备;
构造单元, 用于根据所述接收单元接收的所述第一寻呼消息, 构造所述 第二制式的第二寻呼消息;
发送单元, 用于向所述用户设备发送所述构造单元构造的所述第二寻呼 消息。
20、 如权利要求 19所述的网络侧设备, 其特征在于,
所述构造单元具体用于: 将所述第一寻呼消息携带的所述用户设备在所 述第一制式中的第一用户设备标识转换为所述用户设备在所述第二制式中 的第二用户设备标识, 将所述第二用户设备标识设置在所述第二寻呼消息 中。
21、 如权利要求 19或 20所述的网络侧设备, 其特征在于,
所述构造单元具体用于: 根据下发所述第一寻呼消息的核心网确定第一 制式的核心网的参数,将所述第一制式的核心网的参数设置在所述第二寻呼 消息中。
22、 如权利要求 21所述的网络侧设备, 其特征在于, 所述第一制式的 核心网的参数包括以下信息中的至少一种: 所述第一制式的核心网的核心网 域、 无线接入技术 RAT参数。
23、 如权利要求 19所述的网络侧设备, 其特征在于,
所述构造单元具体用于: 将所述第一寻呼消息包含在所述第二寻呼消息 中。
24、 如权利要求 19-23任一项所述的网络侧设备, 其特征在于, 所述用 户设备还注册在所述第二制式的核心网上。
25、 如权利要求 24所述的网络侧设备, 其特征在于,
所述用户设备注册在所述第一制式的电路交换 CS核心网和所述第二制 式的 PS核心网上; 或者 所述用户设备注册在所述第一制式的分组交换 PS核心网和所述第二制 式的 CS核心网上; 或者
所述用户设备注册在所述第一制式的 CS核心网和所述第二制式的 CS 核心网上; 或者
所述用户设备注册在所述第一制式的 PS 核心网和所述第二制式的 PS 核心网上。
26、 如权利要求 24或 25所述的网络侧设备, 其特征在于, 所述网络侧 设备还包括识别单元和存储单元,
所述识别单元, 用于根据存储单元存储的所述用户设备的无线接入技术 RAT驻留信息和所述接收单元接收的所述第一寻呼消息中携带的所述第一 用户设备标识, 识别出所述用户设备驻留在所述第二制式的空口上。
27、 如权利要求 26所述的网络侧设备, 其特征在于,
所述识别单元还用于: 根据所述用户设备的驻留区域信息确定所述用户 设备所驻留的小区。
28、 如权利要求 19-27任一项所述的网络侧设备, 其特征在于, 所述接收单元还用于: 在所述用户设备完成所述第二制式的空口连接建 立之后, 接收所述用户设备发送的第一寻呼响应, 所述第一寻呼响应用于响 应所述第一制式的核心网下发的所述第一寻呼消息;
所述构造单元还用于: 根据所述接收单元接收的所述第一寻呼响应, 构 造所述第一制式的第二寻呼响应;
所述发送单元还用于: 将所述构造单元构造的所述第二寻呼响应发送给 所述第一制式的核心网。
29、 如权利要求 28所述的网络侧设备, 其特征在于,
所述识别单元还用于: 根据所述第一寻呼响应携带的所述用户设备的标 识,识别出所述第一寻呼响应用于响应所述第一制式的核心网下发的所述第 一寻呼消息; 或者,
所述识别单元还用于: 根据所述第一寻呼响应中的指示位, 识别出所述 第一寻呼响应用于响应所述第一制式的核心网下发的所述第一寻呼消息。
30、 一种用户设备, 其特征在于, 包括:
接收单元, 用于接收网络侧设备发送的第二制式的第二寻呼消息, 所述 第二寻呼消息是由所述网络侧设备根据所述第一制式的核心网下发的第一 寻呼消息构造的, 所述第一寻呼消息用于寻呼注册在所述第一制式的核心 网, 且驻留在第二制式的空口上的所述用户设备;
建立单元, 用于根据所述接收单元接收的所述第二寻呼消息建立第二制 式的空口连接。
31、 如权利要求 30所述的用户设备, 其特征在于, 所述接收单元接收 的所述第二寻呼消息携带所述用户设备在所述第二制式中的第二用户设备 标识, 所述第二用户设备标识是由所述网络侧设备将所述第一寻呼消息携带 的所述用户设备在所述第一制式中的第一用户设备标识转换获得的。
32、 如权利要求 30或 31所述的用户设备, 其特征在于, 所述第二寻呼 消息携带所述第一制式的核心网的参数,
所述第一制式的核心网的参数包括以下信息中的至少一种: 所述第一制 式的核心网的核心网域、 无线接入技术 RAT参数。
33、 如权利要求 30所述的用户设备, 其特征在于,
所述建立单元具体用于: 通过在所述第二寻呼消息中包含的所述第一寻 呼消息确定需要建立所述第二制式的空口连接。
34、 如权利要求 30-33任一项所述的用户设备, 其特征在于, 所述用户 设备还包括发送单元,
所述发送单元, 用于在所述用户设备完成所述第二制式的空口连接建立 之后, 所述用户设备向所述网络侧设备发送第一寻呼响应, 所述第一寻呼响 应用于响应所述第一制式的核心网下发的所述第一寻呼消息, 以便所述网络 侧设备根据所述第一寻呼响应, 构造所述第一制式的第二寻呼响应, 将所述 第二寻呼响应发送给所述第一制式的核心网。
35、 如权利要求 34所述的用户设备, 其特征在于,
所述建立单元还用于: 在所述第一寻呼响应中携带所述用户设备的标 识, 所述用户设备的标识用于使能所述网络侧设备识别出所述第一寻呼响应 用于响应所述第一制式的核心网下发的所述第一寻呼消息; 或者
所述建立单元还用于: 在所述第一寻呼响应中增加指示位, 所述第一寻 呼响应中的指示位用于使能所述网络侧设备识别出所述寻呼响应用于响应 所述第一制式的核心网下发的所述第一寻呼消息。
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