WO2015103780A1 - Method and device for bearing circuit switched domain voice service - Google Patents

Abstract

The present invention relates to the technical field of communication networks. Disclosed are a method and device for bearing a circuit switched domain voice service, so as to solve the problems of high cost of LTE for supporting a voice service and large delay in voice service setup. In embodiments of the present invention, a first network device receives, through a first interface, a paging message sent by a second network device, the paging message carrying an ID of a UE; the first network device generates a first message according to the paging message and a UE state corresponding to the ID of the UE and sends the first message to the UE through a second interface, the first message being used to instruct the UE to access a network of a first mode; and the first network device receives a voice service setup request sent by the UE through the second interface, and allocates radio resources of the first mode for bearing a voice service to the UE according to the voice service setup request. The solution provided in the embodiments of the present invention is applicable to bearing a circuit switched domain voice service.

Description

 Method and device for bearing circuit voice service

 The present invention relates to the field of communications technologies, and in particular, to a method and apparatus for carrying a circuit voice service. Background technique

 As an important technology for next-generation mobile communication systems, Long Term Evolution (LTE) is also an evolution technology of 3G, which has the advantages of high bandwidth, high mobility, and low latency. In the prior art, the LTE network does not support the circuit switching domain (CS domain) service, that is, the LTE network does not support voice services. The Global System of Mobile communication (GSM) network and the Universal Mobile Telecommunication System (UMTS) network can support voice services. When using the LTE network for voice services, two schemes are usually used: Solution 1, deploy an IP Multimedia Subsystem (IMS) in the core network of the LTE network, and then use the protocol interconnected between the networks. (Internet Protocol, IP) transmits voice, that is, voice over Internet Protocol (VoIP) to implement voice service; scheme 2, when the user camps on the LTE network, the voice service needs to be transferred from the LTE network to GSM or UMTS. In the network, to establish a voice service to complete a voice call.

 However, by deploying IMS on the core network, the LTE support voice service needs to rely on IMS deployment. The purchase and deployment of the IMS device leads to higher costs. In addition, when the LTE network is transferred back to the GSM or UMTS network, the user's voice service under LTE All need to be interrupted, resulting in a longer delay in voice service establishment. Summary of the invention

 The embodiments of the present invention provide a method and a device for carrying a voice service of a circuit, which are used to solve the problem that the LTE supports the voice service at a high cost and the voice service has a long delay.

In a first aspect, an embodiment of the present invention provides a method for carrying a voice service of a circuit, including: The first network device receives, by using the first interface, a paging message sent by the second network device, where the first network device is a first-standard network device, and the second network device is a second-standard network device or a compatible device. a network device of the first system and the second system, where the paging message carries an identifier ID of the user equipment UE;

 The first network device generates a first message according to the paging message, and a UE status corresponding to the ID of the UE, and sends the first message to the UE by using a second interface, where the first The message is used to indicate that the UE accesses the first standard network;

 The first network device receives a voice service request that is sent by the UE through the second interface, and allocates, according to the voice service request, a first-standard wireless resource for carrying the voice service.

 In a first possible embodiment, in combination with the first aspect,

 The first system is a long term evolution LTE network or a wireless local area network WLAN;

 The second system is a universal mobile communication system UMTS network or a global mobile communication system GSM network;

 The first network device is the base station eNB of the LTE or the wireless access point AP of the WLAN;

 The second network device is a radio network controller RNC of the UMTS, or a base station controller BSC of the GSM, or a unified radio controller SRC responsible for coordinating a plurality of standard resources;

 The first interface is an interface connected between the first network device and the second network device; the second interface is a first standard air interface between the first network device and the UE.

 In a second possible embodiment, in combination with the first aspect or the first possible embodiment of the first aspect, the first network device, according to the paging message, and the ID of the UE The UE status, before the first message is generated, the method further includes:

 The first network device acquires the UE status, where the UE status includes any one of the following: the UE is in an idle state, and the UE is in a state of being connected to the first network device.

In a third possible embodiment, combining the first aspect or any one of the foregoing aspects In a possible embodiment, the first message includes indication information, where the indication information is used to indicate that the UE accesses the first standard network;

 When the UE is in an idle state, the first message further includes a paging message; or, when the UE is in a state of being connected to the first network device, the first message further includes a radio resource control protocol RRC reconfiguration message.

 In a fourth possible embodiment, in combination with the third possible embodiment in the first aspect, when the UE is in an idle state, sending the first message to the After the UE, the method further includes:

 The first network device establishes an RRC connection with the UE.

 In a fifth possible embodiment, in combination with the third possible or the fourth possible embodiment in the first aspect, after the sending the first message to the UE by using the second interface, Includes:

 The first network device sends a decoupling command to the UE by using the second interface, where the decoupling command is used to instruct the UE to use the non-access stratum NAS of the UE and the core network device of the second standard. The NAS data communicated between the NASs is encapsulated in the second message;

 The first network device receives, by using the second interface, the second message that is sent by the UE and carries a decoupling indication, where the decoupling indication is used to instruct the first network device to forward the NAS data. Giving the second network device;

 The first network device sends the NAS data encapsulated in the second message to the second network device by using the first interface according to the decoupling indication.

 In a sixth possible embodiment, in combination with the fifth possible embodiment of the first aspect, the second message is an uplink information transmission message.

 In a second aspect, an embodiment of the present invention provides a device for carrying a voice service of a circuit, where the device is a network device of a first standard, and the device includes:

a receiving module, configured to receive, by using the first interface, a paging message sent by the second network device, and provide the paging message to the generating module, where the second network device is a second-standard network device or is compatible The first system and the second mode network device, the paging message carries useful Identification ID of the user equipment UE;

 The generating module is configured to generate a first message according to the paging message that is provided by the receiving module, and a UE status corresponding to the ID of the UE, and provide the first message to a sending module, where The first message is used to indicate that the UE accesses the first standard network;

 The sending module is configured to send, by using the second interface, the first message that is provided by the generating module to the UE;

 The receiving module is further configured to receive a voice service request sent by the UE by using the second interface, and provide the voice service request to the processing module, where

 The processing module is configured to allocate a radio resource of a first standard for carrying a voice service to the UE according to the request for establishing a voice service received by the receiving module.

 In a first possible embodiment, in combination with the second aspect,

 The first system is a long term evolution LTE network or a wireless local area network WLAN;

 The second system is a universal mobile communication system UMTS network or a global mobile communication system GSM network;

 The device is a base station eNB of the LTE or a wireless access point AP of the WLAN; the second network device is a radio network controller RNC of the UMTS, or a base station controller BSC of the GSM, or A unified wireless controller SRC responsible for coordinating multiple standard resources;

 The first interface is an interface that is connected between the device and the second network device; the second interface is a first standard air interface between the device and the UE.

 In a second possible embodiment, in combination with the second aspect or the first possible embodiment of the second aspect, the device further includes:

 And an acquiring module, configured to acquire the UE status, where the UE status includes any one of the following: the UE is in an idle state, and the UE is in a state connected to the device.

 In a third possible embodiment, in combination with the second aspect or any one of the above possible embodiments of the second aspect,

The first message includes indication information, where the indication information is used to indicate that the UE accesses the a standard network;

 When the UE is in an idle state, the first message further includes a paging message; or, when the UE is in a state of being connected to the device, the first message further includes a radio resource control protocol RRC reconfiguration. Message.

 In a fourth possible embodiment, in combination with the third possible embodiment of the second aspect, the apparatus further comprises:

 And a establishing module, configured to establish an RRC connection with the UE.

 In a fifth possible embodiment, in combination with the third possible or fourth possible embodiment of the second aspect,

 The sending module is further configured to send, by using the second interface, a decoupling command to the UE, where the decoupling command is used to instruct the UE to use a non-access stratum NAS of the UE and a core of a second standard The NAS data communicated between the NASs of the network device is encapsulated in the second message;

 The receiving module is further configured to receive, by using the second interface, the second message that is sent by the UE and that carries a decoupling indication, and provide the second message to the sending module, where the decoupling The indication is used to instruct the sending module to forward the NAS data to the second network device;

 The sending module is further configured to send the NAS data encapsulated in the second message to the second network device by using the first interface according to the decoupling indication.

 In a sixth possible embodiment, in combination with the fifth possible embodiment of the second aspect, the second message is an uplink information transmission message.

 In a third aspect, an embodiment of the present invention provides another apparatus for carrying a voice service of a circuit, where the apparatus is a network device of a first standard, and the apparatus includes:

 a memory for storing information including program instructions;

 a transceiver, configured to receive, by using the first interface, a paging message sent by the second network device, and provide the paging message to a processor, where the second network device is a second-standard network device or is compatible with the a network device of the first system and the second system, where the paging message carries an identifier ID of the user equipment UE;

The processor is respectively connected to the memory and the transceiver; Generating, by the transceiver, the paging message, and the UE status corresponding to the ID of the UE, generating a first message, and providing the first message to the transceiver, where the first message is used to indicate the The UE accesses the first standard network;

 The transceiver is further configured to send the first message provided by the processor to the UE by using a second interface, and receive a voice service request sent by the UE by using the second interface, and Providing a voice service request to the processor;

 The processor is further configured to allocate, according to the establishing a voice service request provided by the transceiver, a radio resource of a first format for carrying a voice service to the UE;

 The transceiver is further configured to send, to the UE, a radio resource of a first format that is allocated by the processor to the UE for carrying a voice service.

 In a first possible embodiment, in combination with the third aspect,

 The first system is a long term evolution LTE network or a wireless local area network WLAN;

 The second system is a universal mobile communication system UMTS network or a global mobile communication system GSM network;

 The device is a base station eNB of the LTE or a wireless access point AP of the WLAN; the second network device is a radio network controller RNC of the UMTS, or a base station controller BSC of the GSM, or A unified wireless controller SRC responsible for coordinating multiple standard resources;

 The first interface is an interface that is connected between the device and the second network device; the second interface is a first standard air interface between the device and the UE.

 In a second possible embodiment, in combination with the third aspect or the first possible embodiment of the third aspect,

 The processor is further configured to acquire the UE status, where the UE status includes any one of the following: the UE is in an idle state, and the UE is in a state connected to the device.

 In a third possible embodiment, in combination with any one of the foregoing possible embodiments in the third aspect or the third aspect,

The first message includes indication information, where the indication information is used to indicate that the UE accesses the a standard network;

 When the UE is in an idle state, the first message further includes a paging message; or, when the UE is in a state of being connected to the device, the first message further includes a radio resource control protocol RRC reconfiguration. Message.

 In a fourth possible embodiment, in combination with the third possible embodiment in the third aspect, the processor is further configured to establish an RRC connection with the UE.

 In a fifth possible embodiment, in combination with the third possible or fourth possible embodiment of the third aspect,

 The transceiver is further configured to send, by using the second interface, a decoupling command to the UE, where the decoupling command is used to instruct the UE to use a non-access stratum NAS of the UE and a core of a second standard The NAS data of the communication between the NASs of the network device is encapsulated in the second message, and the second message that is sent by the UE and carries the decoupling indication is received by the second interface, where the decoupling indication is used to indicate the location Transmitting, by the transceiver, the NAS data to the second network device, and sending the NAS data encapsulated in the second message to the second network device by using the first interface according to the decoupling indication .

 In a sixth possible embodiment, in combination with the fifth possible embodiment of the third aspect, the second message is an uplink information transmission message.

The method and device for carrying the voice service of the circuit provided by the embodiment of the present invention, the first network device is configured to receive the paging message sent by the second network device by using the first network device, where the first network device is the network device of the first standard, The network device is a second-standard network device or a network device compatible with the first system and the second system, and the paging message carries the ID of the UE; the first network device according to the paging message, and the UE status corresponding to the ID of the UE And generating a first message, and sending the first message to the UE by using the second interface, where the first message is used to indicate that the UE accesses the first standard network, and the first network device receives the request for establishing a voice service that is sent by the UE by using the second interface, And allocating a radio resource of the first standard for carrying the voice service to the UE according to the request for establishing a voice service. In the prior art, by deploying IMS in the core network, the LTE support voice service needs to rely on the IMS deployment, which causes a problem of high cost in purchasing and deploying the IMS device; or, the LTE network is transferred back to the GSM or UMTS. In the network, the voice service of the user in the LTE needs to be interrupted, and the delay of the establishment of the voice service is longer. In the embodiment of the present invention, the first network device and the UE can carry the voice through the radio resource of the first standard. The service reduces the cost of supporting LTE to support voice services and reduces the delay in establishing voice services. DRAWINGS

 In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any inventive labor.

 1 is a schematic structural diagram of a system for carrying a voice service of a circuit according to an embodiment of the present invention; FIG. 2 is a flowchart of a method for carrying a voice service of a circuit according to an embodiment of the present invention; FIG. 4 is a schematic structural diagram of a device for carrying a circuit voice service according to an embodiment of the present invention; FIG. 4 is a schematic diagram of another bearer circuit voice according to an embodiment of the present invention; Schematic diagram of the device of the service;

 FIG. 6 is a hardware structural diagram of a first network device according to an embodiment of the present invention.

detailed description

 The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

 As shown in FIG. 1 , an embodiment of the present invention provides a method for carrying a voice service in a circuit domain, which is applicable to a system for carrying a voice service in a circuit domain, where the system includes a first network device 101, a second network device 102, and a user equipment ( User Equipment, UE ) 103.

The first network device 101 is configured to receive, by using the first interface, a paging message sent by the second network device 102, where the first network device 101 is a first-standard network device, and the second network device 102 is a second The network device of the system is either a network device compatible with the first system and the second system, and the paging message carries an identifier (ID) of the UE 103. The first message is generated according to the paging message and the UE status corresponding to the ID of the UE 103. And sending, by using the second interface, the first message to the UE 103, where the first message is used to indicate that the UE 103 is connected to the first-standard network, and the receiving the voice service request sent by the UE 103 by using the second interface, and allocating the voice service request to the UE 103 according to the voice service request. A first-standard wireless resource for carrying voice services.

 The first network device 101 may be a first-standard network device, and the second network device 102 may be a second-standard network device or a network device compatible with the first system and the second system. The first standard may be a long-term evolution LTE network or a Wireless Local Area Networks (WLAN); the second system may be a universal mobile communication system UMTS network or a global mobile communication system GSM network.

 The ID of the UE may include, but is not limited to, the UE's International Mobile Subscriber Identification Number (IMSI).

 For example, the first network device is an evolved Node B (eNB) of LTE or a wireless access point (Access Point, WLAN) of the WLAN; the second network device is a radio network controller of the UMTS (Radio Network Controller, RNC), either a GSM Base Station Controller (BSC) or a Single Radio Controller (SRC) responsible for coordinating multiple standards resources.

 The first interface is an interface connected between the first network device 101 and the second network device 102; the second interface is a first standard air interface between the first network device 101 and the UE 103.

 The second network device 102 is configured to send a paging message to the first network device 101.

 The UE 103 is configured to receive, by using the second interface, a first message sent by the first network device 101, send a voice service request to the first network device 101 by using the second interface, and then receive, by the first network device, a voice service for carrying the voice service. The first standard wireless resource.

Further, the first network device 101 is further configured to acquire a UE status, where the UE status includes any one of the following manners: the UE 103 is in an idle state, and the UE 103 is in a state of being connected to the first network device. And the first message includes indication information, where the indication information is used to indicate that the UE accesses the first standard network; when the UE is in an idle state, the first message further includes a paging message; or, when the UE is in the connection with the first network device, In the state, the first message further includes a Radio Resource Control Protocol (RRC) reconfiguration message.

 When the UE is in an idle state, after the first network device 101 sends the first message to the UE 103 through the second interface, the first network device 101 is further configured to establish an RRC connection with the UE 103.

 Further, after the first network device 101 sends the first message to the UE 103 through the second interface, the first network device 101 is further configured to send a decoupling command to the UE 103 by using the second interface, where the decoupling command is used to indicate the UE 103. Encapsulating the NAS data of the communication between the non-access stratum (NAS) of the UE 103 and the NAS of the second-standard core network device in the second message; receiving the de-coupled transmission carried by the UE 103 through the second interface And indicating the second message, the decoupling indication is used to instruct the first network device to forward the NAS data to the second network device 102; and the NAS data encapsulated in the second message is sent to the second network device by using the first interface according to the decoupling indication 102.

 The second message is an uplink information transmission message.

 Correspondingly, the second network device 102 is further configured to receive the NAS data sent by the first network device 101 by using the second interface;

 The UE 103 is further configured to receive, by using the second interface, a decoupling command sent by the first network device 101, and send, by using the second interface, the second message that carries the decoupling indication to the first network device 101.

 The first network device and the UE can carry the voice service through the radio resource of the first standard, thereby reducing the cost of supporting the voice service of the LTE and reducing the delay of establishing the voice service. As shown in FIG. 2, an embodiment of the present invention provides a method for carrying a voice service of a circuit, which specifically includes the following:

 201. The first network device receives a paging message sent by the second network device, where the first network device is a first-standard network device, and the second network device is a second-standard network device or is compatible with the first system and the second system. The network device, the paging message carries the ID of the UE.

The first system is an LTE network or a WLAN; the second system is a UMTS network or a GSM network. Network.

 The first network device is an LTE eNB or an WLAN AP; the second network device is a UMTS RNC, or a GSM BSC, or a unified radio controller SRC responsible for coordinating multiple standard resources.

 The first interface is an interface connected between the first network device and the second network device; the second interface is a first standard air interface between the first network device and the UE.

 202. The first network device generates a first message according to the paging message, and the UE status corresponding to the ID of the UE, and sends the first message to the UE by using the second interface, where the first message is used to indicate that the UE accesses the first standard. The internet.

 The UE status may be any one of the following: The UE is in an idle state, and the UE is in a state of being connected to the first network device.

 The first message includes indication information, and the indication information is used to indicate that the UE accesses the first standard network. When the UE is in an idle state, the first message further includes a paging message; or, when the UE is in a state of being connected to the first network device, the first message further includes a Radio Resource Control (RRC) reconfiguration message. . That is, when the UE is in an idle state, the first network device generates a first message including a paging message and indication information. When the UE is in a state of being connected to the first network device, the first network device generates a first message including an RRC reconfiguration message and indication information.

 203. The first network device receives a request for establishing a voice service that is sent by the UE by using the second interface, and allocates a radio resource of the first mode for carrying the voice service to the UE according to the request for establishing a voice service.

The method for carrying the voice service of the circuit provided by the embodiment of the present invention, the network device receives the paging message sent by the second network device by using the first network device, where the first network device is a first-standard network device, and the second network is The device is a second-standard network device or a network device compatible with the first system and the second system, and the paging message carries the ID of the user equipment UE; the first network device according to the paging message, and the UE status corresponding to the ID of the UE And generating a first message, and sending the first message to the UE by using the second interface, where the first message is used to indicate that the UE accesses the first standard network, and the first network device receives the request for establishing a voice service that is sent by the UE by using the second interface, And allocating a radio resource of the first standard for carrying the voice service to the UE according to the request for establishing a voice service. With the prior art, through Deploying IMS on the core network enables LTE to support voice services and relies on IMS deployment. The problem of high cost is caused by the purchase and deployment of IMS equipment. Or, when the LTE network is transferred back to the GSM or UMTS network, the voice service of the user is under LTE. In the embodiment of the present invention, the first network device and the UE can carry the voice service through the radio resource of the first standard, thereby reducing the cost of supporting the voice service of the LTE. , and reduce the delay in establishing voice services. In an implementation manner of the present invention, a method for carrying a circuit voice service is also provided. As shown in FIG. 3, the method specifically includes:

 301. A Mobile Switching Center (MSC) sends a paging message to the second network device.

 The MSC infers the network capability of the Radio Access Network (RAN) through the Location Area Identity (LA ID) information; and the RAN node that the MSC receives the Not Access Storey (NAS) reported by the UE. ability. The radio access network includes a first network device (base station) and a second network device. When the network capability of the RAN and the RAN node capability conform to the standard, the MSC initiates a paging message for the voice service. The paging message carries the ID of the UE.

 Additionally, a related description of the second network device can be referred to the embodiment of FIG. 2.

 302. The second network device sends the received paging message to the first network device by using an Iu interface. It can be understood that the Iu interface in this step is the first interface.

 For a description of the first network device, reference may be made to the embodiment of FIG. 2.

 303. After receiving the paging message, the first network device generates a first message according to the paging message and a UE status corresponding to the ID of the UE, and then sends the first message to the UE by using the second interface.

 The first message is used to indicate that the UE accesses the first standard network.

After the UE sends the first message generated by the first network device to the UE, the process continues to step 304. After the UE is in the state of being connected to the first network device, after the first message generated by the first network device is sent to the UE, step 305 is continued. 304: When the UE is in an idle state, the first network device establishes an RRC connection with the UE.

 305. The UE sends a voice service request to the first network device by using an LTE air interface.

 306. The first network device allocates a first-standard radio resource for carrying the voice service to the UE according to the establishment of the voice service request, and sends the allocated first-standard radio resource for carrying the voice service to the UE.

 307. The first network device sends a decoupling command to the UE.

 The decoupling command is used to instruct the UE to encapsulate the NAS data of the communication between the NAS of the UE and the NAS of the second-standard core network device in the second message.

 308. The UE sends a second message carrying the decoupling indication to the first network device by using the LTE air interface. The decoupling indication is used to instruct the first network device to forward the NAS data to the second network device.

 It can be understood that the LTE air interface in this step is the second interface.

 309. After receiving the second message, the first network device sends the NAS data encapsulated in the second message to the second network device by using the Iu interface according to the decoupling indication in the second message.

 For a description of the second network device, reference may be made to the embodiment of FIG. 2.

 310. The second network device sends the received NAS data to the MSC.

 311. The MSC sends, to the second network device, allocation signaling for establishing a Radio Access Bearer (RAB).

 312. The second network device sends a first request for establishing an RAB to the first network device.

 After the second network device receives the allocation signaling of the RAB sent by the MSC, initiates establishment.

The process of the RAB. Specifically, the second network device sends the first RAB request to the first network device, and the second network device sets the debounce function. Among them, the debounce function includes the function of adding time information and adding the function of sending serial numbers. The first request to establish the RAB is used to instruct the first network device to open the RAB.

 313. The first network device receives the first request for establishing an RAB, establishes a service bearer with the second network device, and sends a second request for establishing an RAB to the UE.

The first network device establishes the RAB according to the first request to establish the RAB. Specifically, the RAB establishment with the second network device is started, and the second request for establishing the RAB is sent to the UE. Which number The request to establish the RAB is used to instruct the UE to prepare related parameters for RAB establishment.

 314. After receiving the second request for establishing the RAB, the UE sends a second setup RAB response to the first network device.

 After receiving the second request for establishing the RAB, the UE prepares the relevant parameters established by the RAB according to the request for establishing the RAB, and turns on the debounce function.

 315. After receiving the second setup RAB response, the first network device establishes a service bearer with the UE.

 316. The first network device sends a first setup RAB response to the second network device.

 317. The second network device sends a message to the MSC to complete the RAB completion reply.

 The second network device learns that the first network device and the UE have completed the RAB establishment, and after the first network device has also completed the RAB establishment, sends a setup RAB completion reply to the MSC.

 After the MSC receives the setup RAB completion reply message sent by the second network device, the VoIP begins to transmit the voice data in the first mode.

 In the embodiment of the present invention, the first network device and the UE can carry the voice service by using the radio resource of the first standard, thereby reducing the cost of supporting the voice service of the LTE, and reducing the delay of establishing the voice service. As shown in FIG. 4, the embodiment of the present invention provides a device 40 for carrying a circuit voice service, where the device 40 is a first-standard network device, and the device 40 includes: a receiving module 401, a generating module 402, a sending module 403, and a processing module 404. .

 The receiving module 401 is configured to receive, by using the first interface, a paging message sent by the second network device, and provide the paging message to the generating module 402, where the second network device is a second-standard network device or is compatible with the first system and In the second-standard network device, the paging message carries the ID of the UE.

 The first system is an LTE network or a WLAN; the second system is a UMTS network or a GSM network.

The device 40 is an LTE eNB or an WLAN AP; the second network device is an UMTS RNC, or a GSM BSC, or an SRC responsible for coordinating a plurality of standard resources. The first interface is an interface connected between the device 40 and the second network device; the second interface is a first standard air interface between the first network device and the UE.

 The generating module 402 is configured to generate a first message according to the paging message provided by the receiving module 401, and the UE status corresponding to the ID of the UE, and provide the first message to the sending module 403, where the first message is used to indicate the UE access The first system network.

 a sending module 403, configured to send, by using the second interface, the first message provided by the generating module 401

UE.

 The receiving module 401 is further configured to receive a voice service request sent by the UE by using the second interface, and provide a voice service request to the processing module 404.

 The processing module 404 is configured to allocate a radio resource of the first standard for carrying the voice service to the UE according to the voice service request received by the receiving module 401.

 Further, as shown in FIG. 5, an apparatus 50 for carrying a circuit voice service further includes: an obtaining module 405, and a building module 406.

 Before the generating module 402 generates the first message, the acquiring module 405 is configured to acquire a UE status, where the UE status includes any one of the following: the UE is in an idle state, and the UE is in a state of being connected to the device 50 (or the device 40).

 In addition, the first message includes indication information, and the indication information is used to indicate that the UE accesses the first standard network. When the UE is in an idle state, the first message further includes a paging message; or, when the UE is in a state of being connected to the device 50 (device 40), the first message further includes an RRC reconfiguration message. That is, when the UE is in an idle state, the generating module 402 generates a first message including the indication information and the paging information; when the UE is in the state of being connected to the device 50 (the device 40), the generating module 402 generates a piece including the indication information and the RRC. Reconfigure the first message of the message.

 It should be further noted that when the UE is in an idle state, the module 406 is configured to establish an RRC connection with the UE.

After the sending module 403 sends the first message to the UE, the sending module 403 is further configured to send a decoupling command to the UE by using the second interface, where the decoupling command is used to instruct the UE to connect the NAS of the UE with the core network device of the second standard. The NAS data communicated between the NASs is encapsulated in the second message. Then receive The module 401 receives the second message that is sent by the UE and carries the decoupled indication, and sends the second message to the sending module 403. The decoupling indication is used to instruct the sending module to forward the NAS data to the second network device. The sending module 403 sends the NAS data encapsulated in the second message to the second network device by using the first interface according to the decoupling indication.

 The second message is an uplink information transmission message.

 It should be noted that, in the apparatus 50 shown in FIG. 4, the specific implementation process of each module and the information interaction between the modules in the apparatus 50 shown in FIG. 5 are based on the same inventive concept as the method embodiment of the present invention. See the method embodiment, which is not described here.

 The embodiment of the present invention can implement that the first network device and the UE can carry the voice service by using the wireless resource of the first standard, thereby reducing the cost of supporting the voice service of the LTE, and reducing the delay of establishing the voice service. As shown in FIG. 6, FIG. 6 is a schematic diagram of a hardware structure of a first network device. The first network device may include a transceiver 601, a memory 602, a processor 603, and a bus 604. The transceiver 601, the memory 602, and the processor 603 are communicably connected by a bus 604.

 The transceiver 601 is used between the device and other devices or communication networks (such as, but not limited to, Ethernet, Radio Access Network (RAN), Wireless Local Area Network (WLAN), etc.) Communication.

 The memory 602 may be a read only memory (ROM), a static storage device, a dynamic storage device, or a random access memory (RAM). The memory 602 can store operating systems and other applications. When the technical solution provided by the embodiment of the present invention is implemented by software or firmware, the program code for implementing the technical solution provided by the embodiment of the present invention is stored in the memory 602 and executed by the processor 603.

The processor 603 can use a general-purpose central processing unit (CPU), a microprocessor, an application specific integrated circuit (ASIC), or one or more integrated circuits for executing related programs. The technical solution provided by the embodiment of the present invention is implemented. Bus 604 can include a path for communicating information between various components of the device, such as transceiver 601, memory 602, and processor 603.

 It should be noted that although the hardware shown in FIG. 6 only shows the transceiver 601, the memory 602 and the processor 603, and the bus 604, in the specific implementation process, those skilled in the art should understand that the terminal also includes the normal operation. Other devices necessary. At the same time, those skilled in the art will appreciate that hardware devices that perform other functions may also be included, depending on the particular needs.

 Specifically, when the server shown in FIG. 6 is used to implement the apparatus shown in the embodiment of FIG. 4 to FIG. 5, the transceiver 601 in the apparatus is configured to receive, by using the first interface, a paging message sent by the second network device. The paging message is provided to the processor 603, and the second network device is a second-standard network device or a network device compatible with the first system and the second system. The paging message carries the identifier ID of the user equipment UE.

 The first system is an LTE network or a WLAN; the second system is a UMTS network or a GSM network.

 The device 60 is an LTE eNB or an WLAN AP; the second network device is an UMTS RNC, or a GSM BSC, or an SRC responsible for coordinating a plurality of standard resources.

 The first interface is an interface connected between the device 60 and the second network device; the second interface is a first standard air interface between the device 60 and the UE.

 The processor 603 is connected to the memory 602 and the transceiver 601, respectively, and is configured to generate a first message according to the paging message provided by the transceiver 601 and the UE status corresponding to the ID of the UE, and provide the first message to the transceiver. 601. The first message is used to indicate that the UE accesses the first standard network.

 The first message includes indication information, where the indication information is used to indicate that the UE accesses the first standard network. When the UE is in an idle state, the first message further includes a paging message; or, when the UE is in a state of being connected to the device 60, the first message further includes an RRC reconfiguration message. That is, when the UE is in an idle state, the processor 603 generates a first message including an indication message and a paging message; when the UE is in a state of being connected to the device 60, the processor 603 generates a message including an indication message and an RRC reconfiguration message. The first message.

It should be noted that when the UE is in an idle state, the processor 603 is further configured to establish with the UE. RRC connection.

 The transceiver 601 is further configured to send, by using the second interface, the first message provided by the processor 603 to the UE. The receiving UE sends a voice service request sent by the second interface, and provides a voice service request to the processor 603.

 The processor 603 allocates a radio resource of the first standard for carrying the voice service to the UE according to the establishment of the voice service request provided by the transceiver 601. The transceiver 601 then transmits the radio resource of the first mode allocated by the processor 603 for the UE to carry the voice service to the UE.

 The transceiver 601 is further configured to send a decoupling command to the UE, where the decoupling command is used to instruct the UE to use the NAS of the UE, after the transceiver 601 sends the radio resource of the first mode for the UE to be allocated to the UE. The NAS data communicated with the NAS of the second-standard core network device is encapsulated in the second message. The UE then sends a second message to the transceiver 601 after the UE receives the decoupling command sent by the transceiver 601. The transceiver 601 receives, by using the second interface, a second message that is sent by the UE and carries a decoupling indication, where the decoupling indication is used to instruct the transceiver 603 to forward the NAS data to the second network device; and the second message is encapsulated according to the decoupling indication. The NAS data is sent to the second network device through the first interface.

 The second message is an uplink information transmission message.

 The embodiment of the present invention can implement that the first network device and the UE can carry the voice service by using the wireless resource of the first standard, thereby reducing the cost of supporting the voice service of the LTE, and reducing the delay of establishing the voice service.

 It will be apparent to those skilled in the art that, for convenience and brevity of description, only the division of each functional module described above is exemplified. In practical applications, the above-mentioned function assignment can be completed by different functional modules as needed. The internal structure of the device is divided into different functional modules to perform all or part of the functions described above. For the specific working process of the system, the device and the unit described above, reference may be made to the corresponding process in the foregoing method embodiments, and details are not described herein again.

In the several embodiments provided by the present application, it should be understood that the disclosed system, apparatus, and method may be implemented in other manners. For example, the device embodiments described above are merely illustrative, for example, the division of the modules or units is only a logical function division, and the actual implementation There may be additional ways of dividing, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted or not implemented. In addition, 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 in an electrical, mechanical or other form.

 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.

 In addition, 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 above integrated unit can be implemented in the form of hardware or in the form of a software function unit.

 The integrated unit, if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may contribute to the prior art or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium. The instructions include a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor 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 removable 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. .

 The above is only the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention. It should be covered by the scope of the present invention. Therefore, the scope of the invention should be determined by the scope of the claims.

Claims

claims 1. A method for carrying circuit voice services, characterized by including: The first network device receives the paging message sent by the second network device through the first interface, the first network device is a network device of the first standard, and the second network device is a network device of the second standard or is compatible with all For the network equipment of the first standard and the second standard, the paging message carries the identification ID of the user equipment UE; The first network device generates a first message according to the paging message and the UE status corresponding to the UE ID, and sends the first message to the UE through the second interface. The first The message is used to instruct the UE to access the first standard network; The first network device receives the voice service establishment request sent by the UE through the second interface, and allocates wireless resources of the first standard for carrying the voice service to the UE according to the voice service establishment request. 2. The method according to claim 1, characterized in that, The first standard is the long-term evolution LTE network or wireless local area network WLAN; The second standard is the Universal Mobile Telecommunications System UMTS network or the Global System for Mobile Telecommunications GSM network; The first network device is the LTE base station eNB or the WLAN wireless access point. AP; The second network device is the radio network controller RNC of the UMTS, or the base station controller BSC of the GSM, or a unified radio controller SRC responsible for coordinating resources of multiple standards; The first interface is an interface connected between the first network device and the second network device; the second interface is a first standard air interface between the first network device and the UE. 3. The method according to claim 1 or 2, characterized in that, before the first network device generates the first message according to the paging message and the UE status corresponding to the ID of the UE, the Methods also include: The first network device obtains the UE status, and the UE status includes any of the following methods: The UE is in an idle state, and the UE is in a state of being connected to the first network device. 4. The method according to any one of claims 1-3, characterized in that the first message includes indication information, and the indication information is used to instruct the UE to access the first standard network; When the UE is in an idle state, the first message further includes a paging message; or when the UE is in a state of connection with the first network device, the first message further includes a radio resource control protocol. RRC reconfiguration message. 5. The method according to claim 4, characterized in that when the UE is in an idle state, after sending the first message to the UE through the second interface, the method further includes: The first network device establishes an RRC connection with the UE. 6. The method according to claim 4 or 5, characterized in that, after sending the first message to the UE through the second interface, further comprising: The first network device sends a decoupling command to the UE through the second interface. The decoupling command is used to instruct the UE to connect the non-access layer NAS of the UE to the core network device of the second standard. The NAS data communicated between the NAS is encapsulated in the second message; The first network device receives the second message carrying the decoupling indication sent by the UE through the second interface, and the decoupling indication is used to instruct the first network device to forward the NAS data. to the second network device; The first network device sends the NAS data encapsulated in the second message to the second network device through the first interface according to the decoupling instruction. 7. The method according to claim 6, characterized in that the second message is an uplink information transmission message. 8. A device for carrying circuit voice services, characterized in that the device is a network device of the first standard, and the device includes: The receiving module is configured to receive the paging message sent by the second network device through the first interface, and provide the paging message to the generating module. The second network device is a network device of the second standard or is compatible with the second network device. For network equipment of the first standard and the second standard, the paging message carries the identification ID of the user equipment UE; The generating module is configured to generate a first message based on the paging message provided by the receiving module and the UE status corresponding to the ID of the UE, and provide the first message to the sending module, The first message is used to instruct the UE to access the first standard network; The sending module is configured to send the first message provided by the generating module to the UE through the second interface; The receiving module is also configured to receive a voice service establishment request sent by the UE through the second interface, and provide the voice service establishment request to the processing module, The processing module is configured to allocate wireless resources of the first standard for carrying voice services to the UE according to the voice service establishment request received by the receiving module. 9. The device according to claim 8, characterized in that, The first standard is the long-term evolution LTE network or wireless local area network WLAN; The second standard is the Universal Mobile Telecommunications System UMTS network or the Global System for Mobile Telecommunications GSM network; The device is the LTE base station eNB or the WLAN wireless access point AP; The second network device is the radio network controller RNC of the UMTS, or the base station controller BSC of the GSM, or a unified radio controller SRC responsible for coordinating resources of multiple standards; The first interface is an interface connected between the device and the second network device; the second interface is a first-standard air interface between the device and the UE. 10. The device according to claim 8 or 9, characterized in that the device further includes: an acquisition module, configured to acquire the UE status, and the UE status includes any one of the following methods: the UE is idle state, and the UE is in a state of being connected to the device. 11. The device according to any one of claims 8-10, characterized in that, The first message includes indication information, and the indication information is used to instruct the UE to access the -th standard network; When the UE is in an idle state, the first message further includes a paging message; or when the UE is in a state connected to the device, the first message further includes a radio resource control message. control protocol RRC reconfiguration message. 12. The device according to claim 11, wherein the device further includes: an establishment module, configured to establish an RRC connection with the UE. 13. The device according to claim 11 or 12, characterized in that, The sending module is further configured to send a decoupling command to the UE through the second interface. The decoupling command is used to instruct the UE to connect the non-access layer NAS of the UE to the core of the second standard. The NAS data communicated between the NAS of the network device is encapsulated in the second message; The receiving module is also configured to receive the second message carrying the decoupling indication sent by the UE through the second interface, and provide the second message to the sending module, the decoupling The instruction is used to instruct the sending module to forward the NAS data to the second network device; The sending module is also configured to send the NAS data encapsulated in the second message to the second network device through the first interface according to the decoupling instruction. 14. The device according to claim 13, wherein the second message is an uplink information transmission message. 15. A device for carrying circuit voice services, characterized in that the device is a network device of the first standard, and the device includes: Memory, used to store information including program instructions; A transceiver, configured to receive a paging message sent by a second network device through a first interface, and provide the paging message to a processor. The second network device is a network device of the second standard or is compatible with the second network device. Network equipment of the first standard and the second standard, the paging message carries the identification ID of the user equipment UE; The processor is connected to the memory and the transceiver respectively; specifically configured to generate a first message according to the paging message provided by the transceiver and the UE status corresponding to the ID of the UE, and Provide the first message to the transceiver, where the first message is used to instruct the UE to access the first standard network; The transceiver is further configured to send the first message provided by the processor to the UE through a second interface; receive a voice service establishment request sent by the UE through the second interface, and send the The voice service establishment request is provided to the processor; The processor is further configured to provide the voice service establishment request for the The UE allocates radio resources of the first standard used to carry voice services; The transceiver is further configured to send the wireless resources of the first standard used for carrying voice services allocated by the processor to the UE to the UE. 16. The device according to claim 15, characterized in that, The first standard is the long-term evolution LTE network or wireless local area network WLAN; The second standard is the Universal Mobile Telecommunications System UMTS network or the Global System for Mobile Telecommunications GSM network; The device is the LTE base station eNB or the WLAN wireless access point AP; The second network device is the radio network controller RNC of the UMTS, or the base station controller BSC of the GSM, or a unified radio controller SRC responsible for coordinating resources of multiple standards; The first interface is an interface connected between the device and the second network device; the second interface is a first-standard air interface between the device and the UE. 17. The device according to claim 15 or 16, characterized in that, The processor is also configured to obtain the UE status, and the UE status includes any one of the following methods: the UE is in an idle state, and the UE is in a state of being connected to the device. 18. The device according to any one of claims 15-17, characterized in that, The first message includes indication information, and the indication information is used to instruct the UE to access the -th standard network; When the UE is in an idle state, the first message further includes a paging message; or when the UE is in a connected state with the device, the first message further includes Radio Resource Control Protocol RRC reconfiguration. information. 19. The device according to claim 18, characterized in that, The processor is also configured to establish an RRC connection with the UE. 20. The device according to claim 18 or 19, characterized in that, The transceiver is further configured to send a decoupling command to the UE through the second interface. The decoupling command is used to instruct the UE to connect the non-access layer NAS of the UE to the core of the second standard. The NAS data communicated between the NAS of the network device is encapsulated in the second message; and the second message carrying the decoupling indication sent by the UE is received through the second interface, and the decoupling indication is used to indicate the The transceiver forwards the NAS data to the second network device; and sends the NAS data encapsulated in the second message to the second network device through the first interface according to the decoupling instruction. . 21. The device according to claim 20, characterized in that the second message is an uplink information transmission message.