WO2023011049A1 - 一种通信方法及装置 - Google Patents

一种通信方法及装置 Download PDF

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Publication number
WO2023011049A1
WO2023011049A1 PCT/CN2022/101498 CN2022101498W WO2023011049A1 WO 2023011049 A1 WO2023011049 A1 WO 2023011049A1 CN 2022101498 W CN2022101498 W CN 2022101498W WO 2023011049 A1 WO2023011049 A1 WO 2023011049A1
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WO
WIPO (PCT)
Prior art keywords
information
message
service
network function
service information
Prior art date
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PCT/CN2022/101498
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English (en)
French (fr)
Inventor
丁辉
王义兴
李东浪
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华为技术有限公司
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Publication of WO2023011049A1 publication Critical patent/WO2023011049A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/025—Services making use of location information using location based information parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data

Definitions

  • the present application relates to the technical field of wireless communication, and in particular to a communication method and device.
  • operators can provide regional value-added packages, such as regional preferential packages (campus packages), that is, users can enjoy specific preferential rates only when they access through a specific area.
  • regional preferential packages e.g., a regional preferential packages
  • operators can deploy regional services, such as local services available in a specific mall/venue, which can only be accessed by users when accessing through that specific area.
  • the user cannot perceive whether the current area is located in the target area, and it is unknown whether the current area can access the target service or enjoy preferential rates, resulting in a poor user experience when using local services.
  • the present application provides a communication method and device to improve user experience when using local services.
  • a communication method including the following process: a terminal device receives regional service information, and the regional service information includes service information and/or preferential service information available in the region where the terminal device is located. The terminal equipment notifies the area service information.
  • the regional service information may be generated by the policy control network function.
  • the terminal device can notify the regional service information.
  • the regional service information can be displayed to the user on the user interface, and the corresponding regional service information can be notified to the user through voice broadcast.
  • the terminal device can receive and notify the area service information.
  • the user can accurately perceive whether the area is located in the target area, that is, the area where the target service that the user wants to access is located, and the user can perceive that the area can Business information and/or business offers used.
  • the area service information may be network identification (NI), or network identification and time zone (NITZ) information.
  • NI network identification
  • NITZ network identification and time zone
  • the regional service information may be independent from the network identifier NI, which is not limited here.
  • the terminal device when receiving the regional service information, may receive the regional service information sent by the policy control network function.
  • the terminal device may also send a first message, where the first message includes service indication information and/or flow-free indication information, and the service indication information and/or flow-free indication information are used for the policy control network function to perform policy decision making.
  • the terminal device can report relevant information according to the target service selected by the user, so that the policy control network function can decide the corresponding policy rule or not charge, thereby improving the accuracy of billing, and further improving the user experience of using local services.
  • the service indication information is used to indicate the service information used by the terminal equipment in the area where the terminal equipment is located;
  • the flow-free indication information is used to indicate that the terminal equipment has used free services in the area where the terminal equipment is located.
  • the first message may be a session establishment message or a session modification message.
  • a communication method including the following process: a policy control network function determines regional service information, and the regional service information includes service information and/or preferential service information that can be used in the region where the terminal device is located.
  • the policy controls network functions to send area service information.
  • the terminal device can receive and notify the area service information.
  • the area service information may be network identification (NI), or network identification and time zone (NITZ) information.
  • NI network identification
  • NITZ network identification and time zone
  • the regional service information may be independent from the network identifier NI, which is not limited here.
  • the policy control network function when it determines the area service information, it may determine the area service information according to the policy decision information.
  • the policy decision information includes one or more of the following information: services provided by the operator in the area, preferential services provided by the operator in the area, and a list of services subscribed by the terminal device.
  • the policy control network function may receive the second message sent by the session management network function, where the second message includes service indication information.
  • the policy control network function may send a third message to the session management network function according to the second message, and the third message indicates the policy rule corresponding to the service indicated by the service indication information.
  • the policy control network function may receive the second message sent by the session management network function, where the second message includes flow-free indication information.
  • the policy control network function sends a third message to the session management network function according to the second message, and the third message indicates that charging is not performed.
  • a communication method including the following process: the access management network function obtains the regional service information sent by the policy control network function, and the regional service information includes the service information and/or the service that can be used in the region where the terminal device is located discount information.
  • the access management network function can send area service information to terminal equipment.
  • the terminal device can receive and notify the area service information.
  • the area service information may be network identification (NI), or network identification and time zone (NITZ) information.
  • NI network identification
  • NITZ network identification and time zone
  • the regional service information may be independent from the network identifier NI, which is not limited here.
  • the access management network function when it sends the regional service information to the terminal device, it may determine NI or NITZ information according to the regional service information; and send the NI or NITZ information to the terminal device.
  • the NI or NITZ information determined by the access management network function is more reliable, thereby improving the accuracy of billing, and further improving the user experience of using local services.
  • the access management network function may also receive a first message, where the first message is a session establishment message or a session modification message.
  • the access management network function sends a fourth message to the session management network function, where the fourth message includes service indication information and/or flow-free indication information, and the service indication information and/or flow-free indication information are used by the policy control network function to make policy decisions.
  • the service indication information is used to indicate the service information used by the terminal equipment in the area where the terminal equipment is located;
  • the flow-free indication information is used to indicate that the terminal equipment has used free services in the area where the terminal equipment is located.
  • the access management network function may also determine service indication information and/or flow-free indication information according to the location information of the terminal device and area service information.
  • the fourth message may be a session management message.
  • a communication device which may be the above-mentioned terminal device or policy control network function or access management network function, or a chip set in the terminal device or policy control network function or access management network function .
  • the communication device may implement the method provided by any one of the designs of the first aspect, the second aspect, or the third aspect.
  • the communication device includes a corresponding module, unit, or means (means) for implementing the above method, and the module, unit, or means can be implemented by hardware, software, or by executing corresponding software by hardware.
  • the hardware or software includes one or more modules or units corresponding to the above functions.
  • a communication device including a transceiver unit.
  • the communication device further includes a processing unit.
  • the communication device may implement the method provided by any design in the first aspect, the second aspect, or the third aspect.
  • a communication device including a processor.
  • the processor may be used to execute the method provided by any one of the above-mentioned first aspect, second aspect, or third aspect.
  • the device further includes a memory, the processor is coupled to the memory, and the memory is used to store computer programs or instructions, and the processor can execute the programs or instructions in the memory, so that the device can perform the above-mentioned first aspect or the second aspect. Any one design method provided in the second aspect or the third aspect.
  • a communication device includes an interface circuit and a logic circuit, and the logic circuit is coupled to the interface circuit.
  • the interface circuit may be a code/data read/write interface circuit, which is used to receive computer-executable instructions (computer-executable instructions are stored in the memory, may be directly read from the memory, or may pass through other devices) and transmit to the logic circuit , so that the logic circuit runs the computer to execute instructions to execute the method provided by any one of the above-mentioned first aspect, second aspect or third aspect.
  • the communication device may be a chip or a chip system.
  • a communication device including a processor and a memory.
  • the processor is used to read instructions stored in the memory, and can receive signals through the receiver, and transmit signals through the transmitter, so as to execute the method provided by any one of the above-mentioned first aspect, second aspect, or third aspect. .
  • processors there may be one or more processors, and one or more memories.
  • the memory can be integrated with the processor, or the memory can be set separately from the processor.
  • the memory can be a non-transitory (non-transitory) memory, such as a read-only memory (read only memory, ROM), which can be integrated with the processor on the same chip, or can be respectively arranged in different On the chip, the application does not limit the type of the memory and the arrangement of the memory and the processor.
  • a non-transitory memory such as a read-only memory (read only memory, ROM)
  • ROM read only memory
  • the communication device can be a chip, and the processor can be implemented by hardware or software.
  • the processor can be a logic circuit, integrated circuit, etc.; when implemented by software, the processing
  • the processor may be a general-purpose processor, and may be implemented by reading software codes stored in a memory.
  • the memory may be integrated in the processor, or it may be located outside the processor and exist independently.
  • a processor including: an input circuit, an output circuit, and a processing circuit.
  • the processing circuit is configured to receive a signal through the input circuit and transmit a signal through the output circuit, so that the processor executes the method provided by any one of the above-mentioned first aspect, second aspect or third aspect.
  • the above-mentioned processor can be a chip
  • the input circuit can be an input pin
  • the output circuit can be an output pin
  • the processing circuit can be a transistor, a gate circuit, a flip-flop, and various logic circuits.
  • the input signal received by the input circuit may be received and input by, for example but not limited to, the receiver
  • the output signal of the output circuit may be, for example but not limited to, output to the transmitter and transmitted by the transmitter
  • the circuit may be the same circuit, which is used as an input circuit and an output circuit respectively at different times.
  • the present application does not limit the specific implementation manners of the processor and various circuits.
  • a communication device including: a logic circuit and an input-output interface, the input-output interface is used to communicate with modules other than the communication device; the logic circuit is used to run computer programs or instructions to perform any of the above-mentioned Aspect any one of the methods provided by Design.
  • the communication device may be the terminal device or the policy control network function or the access management network function in the above first aspect or the second aspect or the third aspect, or a device that includes the above terminal device or the policy control network function or the access management network function Devices, or devices included in terminal equipment or policy control network functions or access management network functions, such as chips.
  • the I/O interface may be a code/data read/write interface circuit, or a communication interface, and the I/O interface is used to receive computer programs or instructions (the computer programs or instructions are stored in the memory, may be directly read from the memory, or may through other devices) and transmitted to the input-output interface, so that the input-output interface runs a computer program or instruction to perform the method of any one of the above aspects.
  • the communication device may be a chip.
  • a computer program product includes: a computer program (also referred to as code, or an instruction), when the computer program is executed, the computer executes the above-mentioned first aspect or the second aspect Or the method provided by any one design in the third aspect.
  • a computer program also referred to as code, or an instruction
  • a computer-readable medium stores a computer program (also referred to as code, or instruction) when it is run on a computer, so that the computer executes the above-mentioned first or second aspect.
  • a computer program also referred to as code, or instruction
  • a chip system includes a processor and an interface, configured to support a communication device to realize the functions provided by any one of the designs of the first aspect, the second aspect, or the third aspect.
  • the chip system further includes a memory for storing necessary information and data of the aforementioned communication device.
  • the system-on-a-chip may consist of chips, or may include chips and other discrete devices.
  • a chip device in a fourteenth aspect, includes an input interface and/or an output interface.
  • the input interface can realize the receiving function provided by any design in the first aspect or the second aspect or the third aspect
  • the output interface can realize any design in the first aspect or the second aspect or the third aspect The send function provided.
  • a functional entity is provided, and the functional entity is used to implement the method provided by any one of the above first to third aspects.
  • a sixteenth aspect provides a communication system, including the terminal device or the policy control network function or the access management network function of the first aspect or the second aspect or the third aspect.
  • the technical effect brought about by any one of the design methods from the second aspect to the sixteenth aspect can refer to the technical effect brought about by the above-mentioned first aspect, and will not be repeated here.
  • FIG. 1 is a schematic diagram of the architecture of a communication system
  • FIG. 2 is a schematic diagram of a communication process provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a communication process provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a communication process provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • the present application presents various aspects, embodiments or features in terms of a system that can include a number of devices, components, modules and the like. It is to be understood and appreciated that the various systems may include additional devices, components, modules, etc. and/or may not include all of the devices, components, modules etc. discussed in connection with the figures. In addition, combinations of these schemes can also be used.
  • the network architecture and business scenarios described in the embodiments of the present application are for more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions provided by the embodiments of the present application.
  • the technical solutions provided by the embodiments of this application are also applicable to similar technical problems.
  • UE User equipment
  • terminal equipment is a device with wireless transceiver function, which can communicate with one or more Core network (core network, CN) devices communicate.
  • Core network Core network
  • User equipment may also be called an access terminal, terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, user agent, or user device, among others.
  • User equipment can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as on aircraft, balloons, and satellites, etc.).
  • the user equipment can be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a smart phone, a mobile phone, a wireless local loop (WLL) Station, personal digital assistant (PDA), etc.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • the user equipment can also be a handheld device with wireless communication function, a computing device or other devices connected to a wireless modem, a vehicle device, a wearable device, a drone device or a terminal in the Internet of Things, the Internet of Vehicles, the fifth generation Mobile communication (5th-generation, 5G) network and any form of terminal in the future network, relay user equipment or terminal in the future evolved PLMN, etc.
  • the relay user equipment may be, for example, a 5G residential gateway (residential gateway, RG).
  • the user equipment can be a virtual reality (virtual reality, VR) terminal, an augmented reality (augmented reality, AR) terminal, a wireless terminal in industrial control (industrial control), a wireless terminal in self driving (self driving), telemedicine Wireless terminals in remote medical, wireless terminals in smart grid, wireless terminals in transportation safety, wireless terminals in smart city, and smart home wireless terminals, etc.
  • the embodiment of the present application does not limit the type or category of the terminal device.
  • a network device refers to a device that can provide a wireless access function for a terminal.
  • the network device may support at least one wireless communication technology, such as long term evolution (long term evolution, LTE), new radio (new radio, NR) and the like.
  • the network device may include an access network device.
  • the network equipment includes but is not limited to: a next-generation base station or a next-generation node B (generation nodeB, gNB), an evolved node B (evolved node B, eNB) in a 5G network, and a radio network controller (radio network controller, RNC), node B (node B, NB), base station controller (base station controller, BSC), base transceiver station (base transceiver station, BTS), home base station (for example, home evolved node B, or home node B, HNB ), baseband unit (baseband unit, BBU), transceiver point (transmitting and receiving point, TRP), transmitting point (transmitting point, TP), mobile switching center, small station, micro station, etc.
  • RNC radio network controller
  • node B node B
  • BSC base station controller
  • base transceiver station base transceiver station
  • BTS home base station
  • home base station for example, home
  • the network device may also be a wireless controller, a centralized unit (centralized unit, CU), and/or a distributed unit (distributed unit, DU) in a cloud radio access network (cloud radio access network, CRAN) scenario, or the network device may It is a relay station, an access point, a vehicle-mounted device, a terminal, a wearable device, and a network device in future mobile communications or a network device in a future evolved public land mobile network (PLMN).
  • PLMN public land mobile network
  • the network equipment may also include core network (core network, CN) equipment.
  • the core network device may include a session management function (session management function, SMF), or an access and mobility management function (access and mobility management function, AMF).
  • SMF session management function
  • AMF access and mobility management function
  • the core network device includes an application function (application function, AF). It should be pointed out that the core network equipment may not include the AF.
  • Regional service information which is service information related to the region where the terminal equipment is located.
  • the area service information may include, but is not limited to, one or more of the following: service information available in the area where the terminal device is located, and preferential service information available in the area where the terminal device is located.
  • Area service information can be generated by the decision of the AMF accessed by the terminal device, and then sent to the terminal device through the UE Configuration Update process.
  • the AMF may decide to generate area service information according to the area where the terminal device is located, the PLMN to which the terminal device is connected, or the PLMN to which the terminal device belongs.
  • the regional service information may be represented by network identity (network identity, NI) information, or network identity and time zone (network identity&time zone, NITZ) information.
  • NI network identity
  • NITZ network identity&time zone
  • NI may be the full name or abbreviation of the operator's network identifier
  • time zone TZ may be the local time zone information and/or the global time where the terminal device is located.
  • At least one refers to one or more, and multiple refers to two or more.
  • Communication systems generally include but are not limited to 4th generation (4th generation, 4G) communication systems (eg, LTE systems), 5G communication systems (eg, NR systems), and future mobile communication systems.
  • 4G 4th generation
  • 5G communication systems eg, NR systems
  • future mobile communication systems e.g., LTE systems
  • This application can also be applied to other communication systems, such as satellite communication systems, which can be integrated with the above communication systems.
  • FIG. 1 shows a possible 5G network architecture.
  • the network architecture may include: a user equipment UE101, a network device part and a data network (data network, DN) part.
  • the network equipment part includes access network (access network, AN) 102, user plane function (user plane function, UPF) 103, AMF 105, SMF 106, policy control function (policy control function, PCF) 107, unified data management (unified data management, UDM) 108, unified data warehouse (unified data repository, UDR) 110, etc.
  • access network access network
  • AN access network
  • UPF user plane function
  • AMF user plane function
  • SMF 106 policy control function
  • PCF policy control function
  • unified data management unified data management
  • UDR unified data warehouse
  • the part other than the part of the access network 102 may be called a part of the core network.
  • the data network DN 104 is used to provide users with data transmission services, such as Internet Protocol Multimedia System (internet protocol multimedia subsystem, IMS), Internet (Internet) and so on.
  • IMS Internet protocol Multimedia System
  • Internet Internet
  • DN104 can be deployed outside the operator's network, such as a third-party network.
  • An application function (application function, AF) 109 is used to transfer requirements from the application side to the network side, such as quality of service (quality of service, QoS) requirements, etc.
  • the AF may belong to the operator's network.
  • the AF may serve an application deployed by the operator, such as an Internet protocol (internet protocol, IP) multimedia subsystem (IP multimedia subsystem, IMS) voice call service.
  • IP Internet protocol
  • IMS Internet multimedia subsystem
  • the AF may not be affiliated with the operator's network, for example, the AMF may be a third-party functional entity.
  • AN 102 also called wireless (Radio) AN, is used for UE101 to access the operator's network.
  • UE101 is connected to a service node in the operator's network via AN102.
  • AN102 in the embodiment of the present application may refer to the access network itself, or may refer to access network equipment, which is not distinguished here.
  • AN102 corresponds to different access networks in the communication system, such as wired access and wireless base station access.
  • the access network device is a device that provides a wireless communication function for the UE 101, and may also be called an access device, (R)AN device, or network device.
  • the access network equipment includes but is not limited to: gNB in the 5G system, eNB in the LTE system, RNC, NB, BSC, BTS, HNB, BBU, TRP, TP, small base station equipment (pico), mobile switching center, or Wireless-fidelity (wireless-fidelity, Wi-Fi) access point (access point, AP), or network equipment in the future network, etc. It can be understood that the present application does not limit the specific type of the access network device. In systems using different wireless access technologies, the names of devices that function as access network devices may be different.
  • the access device may include a CU, a DU, and so on.
  • the user plane function UPF103 is the gateway for communication between the carrier network and the DN 104.
  • UPF103 is used to complete user plane data forwarding, session/flow-based charging statistics, bandwidth limitation, etc.
  • the access and mobility management function AMF105 is used for mobility management, access authentication/authorization, etc., and can also be used for transferring user policies between UE101 and PCF107.
  • the session management function SMF106 is used to perform session management, execute the control policy issued by the PCF107, select a UPF, and allocate an IP address of the UE, etc.
  • the policy control function PCF 107 is responsible for policy control functions such as charging for the session/service flow level, QoS bandwidth guarantee, mobility management, and UE policy decision-making.
  • the PCF connected to the AMF can be the access and mobility control PCF (PCF for access and mobility control, AM PCF), and the PCF connected to the SMF can be the session management PCF (PCF for session management, SM PCF), AM PCF It can be located in the same PCF entity as the SM PCF, or it can be located in a different PCF entity.
  • Unified data management UDM108 is responsible for managing subscription data, user access authorization, etc.
  • N1, N2, N3, N4, N5, N6, N7, N8, N9, N10, N11, N35, and N36 are interface serial numbers.
  • the meaning of the above-mentioned interface serial number may refer to the meaning defined in the 3GPP standard protocol, and the present application does not limit the meaning of the above-mentioned interface serial number.
  • UE101 is used as an exemplary terminal device, and the name of the interface between various network functions in FIG. 1 is only an example.
  • the interface name of the system architecture is also It may be another name, which is not limited in this application.
  • a possible user registration process is as follows: UE sends a registration request to AMF through AN, and the registration request carries a user ID.
  • AMF sends a subscription data acquisition request to UDM according to the user ID, and UDM can obtain subscription data in UDR.
  • the AMF may also initiate a user policy control creation request (UEPolicyControl_Create) to the PCF for obtaining UE policies, and initiate an access management policy control creation request (AMPolicyControl_Create) for obtaining access control policies.
  • the PCF can send the access control policy to the AMF, and the AMF provides the UE policy to the UE.
  • a possible session establishment process is as follows: the UE sends a packet data unit (packet data unit, PDU) session establishment request to the AMF through the AN, and the AMF selects the SMF that provides services for the session, saves the correspondence between the SMF and the PDU session, and sends the request to the AMF SMF sends PDU Session Establishment Request.
  • the SMF selects a UPF for the UE, establishes a user plane transmission path, and assigns an IP address to the UE.
  • the SMF can also initiate a policy control session establishment request to the PCF, and the policy control session establishment request is used to establish a policy control session between the SMF and the PCF.
  • the SMF can save the corresponding relationship between the policy control session and the PDU session.
  • the AF can also establish an AF session with the PCF, and the PCF can bind the AF session and the policy control session, and save the correspondence between the AF session and the policy control session.
  • operators can provide regional value-added packages, for example, regional value-added packages can be regional preferential packages (such as campus packages), and users can enjoy specific discounts only when they access through these specific areas rate.
  • regional value-added packages can be regional preferential packages (such as campus packages), and users can enjoy specific discounts only when they access through these specific areas rate.
  • the PCF can generate corresponding policy rules to implement differentiated charging for user traffic.
  • LADN local area data network
  • URSP user terminal routing policy
  • UE Local Configuration user terminal local configuration
  • an embodiment of the present application provides a communication method.
  • the terminal device can receive regional service information, the regional service information includes the service information and/or the service preferential information that can be used in the region where the terminal device is located, and notify the user of the regional service information in time, so that The user can accurately perceive whether the area is located in the target area, and can perceive the service information and/or service preferential information available in the area, so as to improve the experience of the user when using the local service.
  • FIG. 1 The communication method provided in the embodiment of the present application may be applied to the communication system shown in FIG. 1 .
  • Figure 2 is a possible communication method, including the following steps:
  • S201 The policy control network function determines area service information.
  • the policy control network function may be the PCF in FIG. 1 .
  • the regional service information includes one or more of the following information: service information available in the area where the terminal device is located, and preferential service information available in the area where the terminal device is located.
  • the area where the terminal device is located refers to the area where the terminal device is currently located, which can be represented by but not limited to one or more of the following information: the current latitude and longitude information of the terminal device, the current address of the terminal device, the IP address of the terminal device, the current access of the terminal device cell, the base station currently accessed by the terminal device, or the time zone of the terminal device.
  • the service information that can be used in the area where the terminal device is located may include services that are only allowed to be accessed in the area, services that enjoy preferential rates when accessed in the area, and services that are free to use when accessed in the area.
  • the preferential service information available in the area where the terminal device is located may include preferential rate information enjoyed by the service available in the area, or free traffic information enjoyed by the service available in the area.
  • Regional service information can be represented by NI or NITZ information.
  • the regional service information can also be used independently with the NI, which is not limited in this embodiment of the present application.
  • the regional service information may consist of the operator's network identifier + a suffix, and the suffix may be used to indicate available service information, available service preferential information, and the like.
  • the regional service information can be CMCC-free (Free)
  • CMCC indicates the NI of the operator providing the service in the area
  • Free indicates that it is free to use when accessing the service.
  • the regional service information can be CMCC-virtual reality game (virtual reality game, VR Game), CMCC indicates the NI of the operator provided in the area, and VR Game indicates that the VR Game service can be used in the area.
  • the policy control network function determines area service information according to the policy decision information.
  • the policy decision information includes, but is not limited to, one or more of the following information: services provided by the operator in the area, service preferences provided by the operator in the area, and a list of services subscribed by the terminal device.
  • the service list subscribed by the terminal device may be a service list provided by the terminal device to the policy control network function directly or indirectly, and may be used to assist the policy control network function to provide service information corresponding to the target service for the terminal device.
  • the AF may send a policy authorization request message to the policy control network function.
  • the policy authorization request message may include service information (such as service identification) provided by the operator in the area, preferential service information provided by the operator in the area, traffic unified payment support information, availability criteria (availability criteria) of time or location, Sponsor status (sponsor status) status, etc.
  • service information and service information provided by the operator in the area may be included in the service information.
  • the policy control network function can be the AM PCF interacting with the AMF, that is, the functional network element responsible for implementing policy decisions related to access and mobility management. In actual deployment, the policy control network function may also be co-located with a functional network element responsible for implementing policy decisions related to session management, which is not limited in this application.
  • S202 The policy control network function sends area service information to the access management network function.
  • the access management network function obtains the area service information.
  • the policy control network function may send an access management policy control create response message (such as Npcf_AMPolicyControl_Create Response) to the access management network function, and the access management policy control create response message includes the area business information.
  • an access management policy control create response message such as Npcf_AMPolicyControl_Create Response
  • the policy control network function may send an access management policy control update response message (such as Npcf_AMPolicyControl_Update Response) to the access management network function, and the access management policy control update response message includes Regional business information.
  • an access management policy control update response message such as Npcf_AMPolicyControl_Update Response
  • the policy control network function may send an access management policy control update notification request message (Npcf_AMPolicyControl_UpdateNotify Request) to the access management network function, and the access management policy control update notification request message includes area service information.
  • Npcf_AMPolicyControl_UpdateNotify Request an access management policy control update notification request message
  • S201 is an optional step.
  • the access management network function can locally save the area service information of the area where the terminal device is located.
  • S203 The access management network function sends area service information to the terminal device.
  • the terminal device receives the regional service information.
  • the access management network function may initiate a user equipment configuration update (UE Configuration Update) process, in which area service information is sent to the terminal device.
  • UE Configuration Update user equipment configuration update
  • the access management network function may send a registration response message (Registration Accept) to the terminal device, and the registration response message includes area service information.
  • S204 The terminal device notifies the user of the regional service information.
  • a terminal device may display regional service information on a user interface.
  • the terminal device may also notify regional service information and the like in the form of voice broadcast.
  • the terminal device displays regional service information on the user interface as an example.
  • the terminal device can display the network identifier of the operator that provides the service, and the network identifier can include available service information (such as CMCC-VR Game) and/or available service discount information (such as CMCC-Free), etc.
  • available service information such as CMCC-VR Game
  • available service discount information such as CMCC-Free
  • the communication method shown in FIG. 2 can be applied to a registration process of a terminal device.
  • the terminal device may receive regional service information, and the regional service information includes service information and/or preferential service information that can be used in the region where the terminal device is located, and notifies the user of the regional service information, so that The user can accurately perceive whether the area is located in the target area, and can perceive the service information and/or service preferential information available in the area, so as to improve the experience of the user when using the local service.
  • the regional service information includes service information and/or preferential service information that can be used in the region where the terminal device is located, and notifies the user of the regional service information, so that The user can accurately perceive whether the area is located in the target area, and can perceive the service information and/or service preferential information available in the area, so as to improve the experience of the user when using the local service.
  • Fig. 3 is another possible communication method, including the following steps:
  • S301 The terminal device sends a first message.
  • the access management network function receives the first message.
  • the first message is used by the policy control network function and/or the session management network function to make a policy decision.
  • the first message may include service indication information and/or flow-free indication information.
  • the service indication information is used to indicate the service information used by the terminal device in the area where the terminal device is located.
  • the flow-free indication information is used to indicate that the terminal equipment uses free services in the area where the terminal equipment is located.
  • the first message may be a session establishment message, for example, the terminal device initiates a PDU session establishment process based on the target service selected by the user.
  • the terminal device may send a session establishment message, and the session establishment message includes service indication information and/or flow-free indication information.
  • the first message may be a session modification message, for example, the terminal device initiates a PDU session modification process based on the target service selected by the user.
  • the terminal device sends a session modification message, and the session modification message includes service indication information and/or exemption Flow instructions.
  • S302 The access management network function sends a fourth message to the session management network function.
  • the session management network function receives the fourth message.
  • the fourth message includes service indication information and/or flow-free indication information.
  • the fourth message may also include regional service information.
  • the fourth message may be a session management message, including, for example, a session management creation request and/or a session management update request. If the terminal device has established a PDU session, the access management network function may send a fourth message after S202 or S301. If the terminal device has not established a PDU session, the access management network function may send the fourth message when receiving the PDU session establishment message.
  • the access management network function may also determine service indication information and/or flow-free indication information according to the location information of the terminal device and area service information. Since the service indication information and flow-free indication information determined by the access management network function are more reliable, the accuracy of the policy decision made by the policy control network function and/or the session management network function is also higher.
  • S303 The session management network function sends a second message.
  • the policy control network function receives the second message.
  • the second message includes service indication information and/or flow-free indication information.
  • the second message is used by the policy control network function to make corresponding policy decisions.
  • the second message includes service indication information, and the policy control network function may decide a corresponding policy rule for the service indicated by the service indication information.
  • the policy control network function may determine not to perform charging for the target service accessed by the terminal device.
  • the policy control network function may be the SM PCF interacting with the SMF, that is, the functional network element responsible for executing policy decisions related to session management. In actual deployment, the policy control network function may also be co-located with functional network elements responsible for policy decisions related to access and mobility management, which is not limited in this application.
  • the AM PCF and the SM PCF may belong to the same physical device, or may belong to different physical devices.
  • S304 The policy control network function sends a third message according to the second message.
  • the session management network function receives the third message.
  • the third message may be used to indicate policy rules corresponding to the service indicated by the service indication information. If the second message includes flow-free indication information, the third message may be used to indicate that charging is not performed.
  • the policy control network function can set a specific charging key value (charging key), respectively indicating the policy rule corresponding to the service or not charging.
  • Charging key indicating the policy rule corresponding to the service or not charging.
  • the policy control network function can set a charging method to indicate the policy rules corresponding to the service or no charging. For example, if the charging method is neither, it indicates that no charging is performed.
  • the session management network function executes the policy rule corresponding to the service, or does not perform charging.
  • the session management network function performs charging according to the policy rule corresponding to the service. If the third message indicates no charging, the session management network function does not charge the target service accessed by the user.
  • the communication method shown in FIG. 3 can be applied to a PDU session establishment or modification process.
  • the terminal device can report service indication information or flow-free indication information based on the target service selected by the user, so that the session management network function and/or policy control function can make corresponding policy decisions for the target service. In this way, accurate billing can be realized, and user experience in using local services can be improved.
  • S401 The UE registers with the 5G network.
  • the AF sends a policy authorization request message to the AM PCF, where the policy authorization request message includes the ID of the UE and information related to the policy decision.
  • the information related to the policy decision may include preferential service information provided by the operator in the area, traffic unified payment support information, and the like.
  • the policy authorization request message may be an Npcf_AMPolicyControl_Create/Update message. It should be understood that S402 may be an optional step, and S403 may be directly performed after S401 is performed.
  • the AM PCF generates area service information.
  • the regional service information may indicate regional service information through NI or NITZ information.
  • AM PCF sends management policy control update response message (Npcf_AMPolicyControl_Update Response) or access management policy control update notification request message (Npcf_AMPolicyControl_UpdateNotify Request) to AMF, the management policy control update response message or access management policy control update communication request message includes NI or NITZ information.
  • the AMF sends a user equipment configuration update command (UE Configuration Update Command) to the UE, where the user equipment configuration update command includes area service information.
  • UE Configuration Update Command UE Configuration Update Command
  • S406 UE notifies NI or NITZ information, and determines service indication information and/or flow-free indication information according to the target service selected by the user.
  • S407 The UE sends a PDU session establishment or modification request to the AMF.
  • the PDU session establishment or modification request includes service indication information and/or flow-free indication information.
  • S407 is an optional step, and S408 may be directly executed after S406 is executed.
  • the AMF sends a session management request to the SM PCF through the SMF.
  • the session management request includes service indication information and/or flow-free indication information.
  • the session management request may also include regional service information such as NI or NITZ information.
  • S409 The SM PCF decides the policy rule corresponding to the service or does not charge.
  • S410 The SMF executes policy rules or does not perform charging.
  • PCF can generate service information and/or service preference information, and provide UE with service information and/or service preference information available in the current area by extending NI, and the user can base on NI and other constraints in the current area Conditions to determine whether to enable a special NI, that is, to determine whether to access a specific service in the current area.
  • the UE can initiate the PDU session establishment/modification process according to the user's choice, and then the SM PCF decides the corresponding strategy for the target service selected by the user, and the SMF executes the corresponding strategy for the target service selected by the user.
  • the embodiment of the present application also provides a communication device. As shown in FIG. method described in .
  • the apparatus 500 may be applied to a terminal device or a policy control network function or an access management network function, or located in a terminal device or a policy control network function or an access management network function.
  • the functions implemented by the optional transceiver unit 502 can be completed by the communication interface.
  • the transceiver unit 502 is configured to receive regional service information, and the regional service information includes service information and/or service preferential information available in the area where the terminal device is located; the processing unit 501, used to notify area service information.
  • the regional service information may be NI or NITZ information.
  • the transceiver unit 502 is specifically configured to receive the area service information sent by the policy control network function.
  • the transceiver unit 502 is further configured to send a first message, the first message includes service indication information and/or flow-free indication information, and the service indication information and/or flow-free indication information are used for policy control network functions to perform policy decision making.
  • the service indication information is used to indicate the service information used by the terminal equipment in the area where the terminal equipment is located; the flow-free indication information is used to indicate that the terminal equipment has used free services in the area where the terminal equipment is located.
  • the first message may be a session establishment message or a session modification message.
  • the processing unit 501 is configured to determine regional service information, and the regional service information includes service information and/or service preferential information that can be used in the area where the terminal device is located ;
  • the transceiver unit 502 (here, the transceiver unit 502 may be a communication interface), configured to send regional service information.
  • the regional service information may be NI or NITZ information.
  • the processing unit 501 is configured to determine area service information according to policy decision information.
  • the policy decision information may include one or more of the following information: services provided by the operator in the area, preferential services provided by the operator in the area, and a list of services subscribed by the terminal device.
  • the transceiver unit 502 is further configured to receive a second message sent by the session management network function, the second message includes service indication information, and send a third message to the session management network function according to the second message, the third message indicates A policy rule corresponding to the service indicated by the service indication information.
  • the transceiver unit 502 is further configured to receive a second message sent by the session management network function, the second message includes flow-free indication information, and send a third message to the session management network function according to the second message, the third message Indicates that no billing occurs.
  • the transceiver unit 502 when the device 500 is an access management network function, the transceiver unit 502 is used to send and receive information; the processing unit 501 is used to obtain the regional service information sent by the policy control network function, and the regional service information includes terminal equipment Service information available in the area and/or preferential service information available in the area; and sending the area service information to the terminal device through the transceiver unit 502 .
  • the processing unit 501 is further configured to determine NI or NITZ information according to the area service information; the transceiver unit 502 is specifically configured to send the NI or NITZ information to the terminal device.
  • the transceiver unit 502 is further configured to receive a first message, where the first message may be a session establishment message or a session modification message, and send a fourth message to the session management network function.
  • the fourth message includes service indication information and/or flow-free indication information, and the service indication information and/or flow-free indication information are used for policy control network functions to make policy decisions.
  • the service indication information is used to indicate the service information used by the terminal equipment in the area where the terminal equipment is located; the flow-free indication information is used to indicate that the terminal equipment has used free services in the area where the terminal equipment is located.
  • the processing unit 501 is further configured to determine service indication information and/or flow-free indication information according to the location information of the terminal device and area service information.
  • the fourth message may be a session management message.
  • each functional unit in each embodiment of the present application It can be integrated in one processing unit, or physically exist separately, or two or more units can be integrated in one unit.
  • the above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.
  • the transceiving unit may include a receiving unit and/or a transmitting unit.
  • the integrated unit can be stored in a computer-readable storage medium. Based on this understanding, the integrated unit can be stored in a storage medium as a computer software product, including several instructions to make a computer device (it can be a personal computer, a server, or a network device, etc.) or a processor (processor) Execute all or part of the steps of the methods in the various embodiments of the present application.
  • the embodiment of the present application also provides a schematic structural diagram of a communication device 600 .
  • the apparatus 600 may be used to implement the methods described in the foregoing method embodiments, and reference may be made to the descriptions in the foregoing method embodiments.
  • the Apparatus 600 includes one or more processors 601 .
  • the processor 601 may be a general purpose processor or a special purpose processor or the like.
  • it may be a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data
  • the central processing unit can be used to control communication devices (such as base stations, terminals, or chips, etc.), execute software programs, and process data of software programs.
  • the communication device may include a transceiver unit for inputting (receiving) and outputting (sending) signals.
  • the transceiver unit may be a transceiver, a radio frequency chip, and the like.
  • the apparatus 600 includes one or more processors 601, and the one or more processors 601 can implement the methods in the above-mentioned embodiments.
  • the processor 601 may also implement other functions in addition to implementing the methods in the above-mentioned embodiments.
  • the processor 601 may execute instructions, so that the apparatus 600 executes the methods described in the foregoing method embodiments.
  • the instructions can be stored in whole or in part in the processor 601, such as the instructions 603 can be stored in whole or in part in the processor 601, or the instructions 603 can be stored in the processor 601, and the instructions 604 can be stored in the memory 602 coupled with the processor,
  • the processor 601 may execute the instruction 603 and the instruction 604 synchronously so that the apparatus 600 executes the methods described in the foregoing method embodiments. Instructions 603 and instructions 604 are also referred to as computer programs.
  • the communication device 600 may further include a circuit, and the circuit may implement the functions in the foregoing method embodiments.
  • the device 600 may include one or more memories 602 on which instructions 604 are stored, and the instructions can be executed on the processor 601, so that the device 600 executes the methods described in the above method embodiments.
  • data may also be stored in the memory 602 .
  • processor 601 may also store instructions and/or data therein.
  • one or more memories 602 may store the correspondence described in the foregoing embodiments, or the relevant parameters or tables involved in the foregoing embodiments, and the like. Processor and memory can be set separately or integrated together.
  • the apparatus 600 may further include a transceiver 605 and an antenna 606 .
  • the processor 601 may be referred to as a processing unit, and controls the device (terminal or base station).
  • the transceiver 605 may be called a transceiver, a transceiver circuit, or a transceiver unit, etc., and is used to realize the transceiver function of the device through the antenna 606 .
  • the processor can be a general-purpose central processing unit (central processing unit, CPU), a microprocessor, a specific application integrated circuit (application-specific integrated circuit, ASIC), one or more integrated circuits used to control the execution of the program program of this application , general-purpose processor, digital signal processor (digital signal processor, DSP), off-the-shelf programmable gate array (field programmable gate asrray, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • FPGA off-the-shelf programmable gate array
  • a general-purpose processor may be a microprocessor, or the processor may be any conventional processor, or the like.
  • the steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor.
  • a software module may be stored on a storage medium located in a memory.
  • Memory can be volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electronically programmable Erase Programmable Read-Only Memory (Electrically EPROM, EEPROM) or Flash.
  • the volatile memory can be Random Access Memory (RAM), which acts as external cache memory.
  • RAM Static Random Access Memory
  • SRAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM, DDR SDRAM enhanced synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
  • Synchlink DRAM, SLDRAM Direct Memory Bus Random Access Memory
  • Direct Rambus RAM Direct Rambus RAM
  • the embodiment of the present application also provides a computer-readable medium, on which a computer program is stored, and when the computer program is executed by a computer, the communication method in any one of the above method embodiments is implemented.
  • An embodiment of the present application further provides a computer program product, including a computer program, and when the computer program is executed by a computer, the communication method in any one of the above method embodiments is implemented.
  • the embodiment of the present application also provides a communication system, including a terminal device and a network device, and the network device may include a policy control network function and/or an access management network function.
  • the terminal device and the network device may implement any of the foregoing method embodiments.
  • all or part of them may be implemented by software, hardware, firmware or any combination thereof.
  • software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
  • a computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on the computer, the processes or functions according to the embodiments of the present application are generated in whole or in part.
  • the computer may be the communication device described above.
  • Computer instructions may be stored in, or transmitted from, one computer-readable storage medium to another computer-readable storage medium.
  • the computer-readable storage medium may be the above-mentioned storage medium or the above-mentioned memory.
  • the determination unit or processor 601 may be one or more logic circuits, and the sending unit
  • the receiving unit or the transceiver 605 may be an input-output interface, or called a communication interface, or an interface circuit, or an interface, or the like.
  • the transceiver 605 may also be a sending unit and a receiving unit, the sending unit may be an output interface, and the receiving unit may be an input interface, and the sending unit and the receiving unit are integrated into one unit, such as an input and output interface.
  • the 7 includes a logic circuit 701 and an interface circuit 702 . That is, the above-mentioned determination unit or processor 601 may be realized by a logic circuit 701 , and the sending unit or receiving unit or transceiver 605 may be realized by an interface circuit 702 .
  • the logic circuit 701 may be a chip, a processing circuit, an integrated circuit or a system on chip (SoC) chip, etc.
  • the interface circuit 702 may be a communication interface, an input-output interface, or the like.
  • the logic circuit and the interface circuit may also be coupled to each other. The embodiment of the present application does not limit the specific connection manner of the logic circuit and the interface circuit.
  • the logic circuit 701 and the interface circuit 702 may be used to perform functions or operations performed by the above-mentioned terminal device or the policy control network function or the access management network function.
  • the interface circuit 702 can be used to receive signals from other communication devices other than the communication device 700 and transmit them to the logic circuit 701 or send signals from the logic circuit 701 to other communication devices other than the communication device 700 .
  • the logic circuit 701 may be used to implement any of the foregoing method embodiments by executing code instructions.
  • the interface circuit 702 is configured to receive area service information, and the area service information includes service information and/or preferential service information available in the area where the terminal device is located.
  • Logic circuit 701 is used to notify regional service information.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components can be combined or integrated. to another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may also be electrical, mechanical or other forms of connection.
  • a unit described as a separate component may or may not be physically separated, and a component displayed as a unit may or may not be a physical unit, that is, it may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present application.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.
  • Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another.
  • a storage media may be any available media that can be accessed by a computer.

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Abstract

本申请涉及一种通信方法及装置，该方法包括：终端设备接收区域业务信息，区域业务信息包括终端设备所在区域能够使用的业务信息和/或能够使用的业务优惠信息；终端设备通知区域业务信息。通过该方案，对于用户来说，可以准确感知所在区域是否位于目标区域，目标区域即用户想要接入的目标业务所在的区域，并且用户可以感知所在区域可以使用的业务信息和/或业务优惠信息。

Description

一种通信方法及装置
相关申请的交叉引用
本申请要求在2021年08月05日提交中国国家知识产权局、申请号为202110894961.1、申请名称为“一种通信方法及装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及无线通信技术领域，尤其涉及一种通信方法及装置。
背景技术
部分场景中，运营商可提供区域性增值套餐，如区域性优惠套餐(校园套餐)，即仅当用户通过特定区域接入时，才可享受特定优惠费率。或者，运营商可部署区域性业务，如特定商场/场馆内可用的本地业务，仅当用户通过该特定区域接入时，才可访问上述业务。
但是实际上用户无法感知当前所在区域是否位于目标区域，对于当前所在区域是否可以接入目标业务或是否可以享受优惠费率不可知，导致用户使用本地业务时的体验感较差。
发明内容
本申请提供一种通信方法及装置，用以提高用户使用本地业务时的体验感。
第一方面，提供一种通信方法，包括如下过程：终端设备接收区域业务信息，区域业务信息包括终端设备所在区域能够使用的业务信息和/或能够使用的业务优惠信息。终端设备通知区域业务信息。
其中区域业务信息可以由策略控制网络功能生成。
终端设备通知区域业务信息的方式可以有多种，例如可以在用户界面上向用户展示区域业务信息，又如可以通过语音播报的方式通知用户相应的区域业务信息。
在该方法中，终端设备可以接收并通知区域业务信息，对于用户来说，用户可以准确感知所在区域是否位于目标区域，即想要接入的目标业务所在的区域，并且用户可以感知所在区域可以使用的业务信息和/或业务优惠信息。
可选的，区域业务信息可以为网络标识(NI)，或者网络标识与时区(NITZ)信息。或者区域业务信息可以独立于网络标识NI，在此不做限制。
在一种可能的实现中，终端设备在接收区域业务信息时，可以接收策略控制网络功能发送的区域业务信息。
在一种可能的实现中，终端设备还可以发送第一消息，第一消息包括业务指示信息和/或免流指示信息，业务指示信息和/或免流指示信息用于策略控制网络功能进行策略决策。终端设备可以根据用户选择的目标业务进行相关信息的上报，使得策略控制网络功能可以决策相应的策略规则或者不计费，从而提高计费准确性，进而提高用户使用本地业务的体验感。
其中，业务指示信息用于指示终端设备在终端设备所在区域使用的业务信息；免流指 示信息用于指示终端设备在终端设备所在区域使用了免费业务。
在一种可能的实现中，第一消息可为会话建立消息或会话修改消息。
第二方面，提供一种通信方法，包括如下过程：策略控制网络功能确定区域业务信息，区域业务信息包括终端设备所在区域能够使用的业务信息和/或能够使用的业务优惠信息。策略控制网络功能发送区域业务信息。对应的，终端设备可以接收并通知该区域业务信息。
可选的，区域业务信息可以为网络标识(NI)，或者网络标识与时区(NITZ)信息。或者区域业务信息可以独立于网络标识NI，在此不做限制。
在一种可能的实现中，策略控制网络功能确定区域业务信息时，可以根据策略决策信息，确定区域业务信息。其中策略决策信息包括以下一个或多个信息：运营商在该区域内提供的业务、运营商在该区域内提供的业务优惠、终端设备订阅的业务列表。
在一种可能的实现中，策略控制网络功能可以接收会话管理网络功能发送的第二消息，第二消息包括业务指示信息。策略控制网络功能可以根据第二消息，向会话管理网络功能发送第三消息，第三消息指示该业务指示信息指示的业务对应的策略规则。
在一种可能的实现中，策略控制网络功能可以接收会话管理网络功能发送的第二消息，第二消息包括免流指示信息。策略控制网络功能根据第二消息，向会话管理网络功能发送第三消息，第三消息指示不进行计费。
第三方面，提供一种通信方法，包括如下过程：接入管理网络功能获取策略控制网络功能发送的区域业务信息，区域业务信息包括终端设备所在区域能够使用的业务信息和/或能够使用的业务优惠信息。接入管理网络功能可以向终端设备发送区域业务信息。对应的，终端设备可以接收并通知该区域业务信息。
可选的，区域业务信息可以为网络标识(NI)，或者网络标识与时区(NITZ)信息。或者区域业务信息可以独立于网络标识NI，在此不做限制。
在一种可能的实现中，接入管理网络功能向终端设备发送区域业务信息时，可以根据区域业务信息，确定NI，或者NITZ信息；向终端设备发送NI或NITZ信息。接入管理网络功能确定的NI或者NITZ信息的可靠性更高，从而提高计费准确性，进而提高用户使用本地业务的体验感。
在一种可能的实现中，接入管理网络功能还可以接收第一消息，第一消息为会话建立消息或会话修改消息。接入管理网络功能向会话管理网络功能发送第四消息，第四消息包括业务指示信息和/或免流指示信息，业务指示信息和/或免流指示信息用于策略控制网络功能进行策略决策。其中，业务指示信息用于指示终端设备在终端设备所在区域使用的业务信息；免流指示信息用于指示终端设备在终端设备所在区域使用了免费业务。
在一种可能的实现中，接入管理网络功能向会话管理网络功能发送第四消息之前，还可以根据终端设备的位置信息以及区域业务信息，确定业务指示信息和/或免流指示信息。
在一种可能的实现中，第四消息可以为会话管理消息。
第四方面，提供一种通信装置，该通信装置可以为上述终端设备或策略控制网络功能或接入管理网络功能，或者为设置在终端设备或策略控制网络功能或接入管理网络功能中的芯片。该通信装置可以实现上述第一方面或第二方面或第三方面中的任一项设计所提供的方法。
通信装置包括实现上述方法相应的模块、单元、或手段(means)，该模块、单元、或 means可以通过硬件实现，软件实现，或者通过硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的模块或单元。
第五方面，提供一种通信装置，包括收发单元。可选的，该通信装置还包括处理单元。该通信装置可以实现第一方面或第二方面或第三方面中的任一项设计所提供的方法。
第六方面，提供一种通信装置，包括处理器。该处理器可用于执行上述第一方面或第二方面或第三方面中的任一项设计所提供的方法。可选地，该装置还包括存储器，该处理器与存储器耦合，存储器中用于存储计算机程序或指令，处理器可以执行存储器中的程序或指令，以使得该装置可以执行上述第一方面或第二方面或第三方面中的任一项设计所提供的方法。
第七方面，提供一种通信装置，该装置包括接口电路和逻辑电路，逻辑电路与接口电路耦合。该接口电路可以为代码/数据读写接口电路，该接口电路用于接收计算机执行指令(计算机执行指令存储在存储器中，可能直接从存储器读取，或可能经过其他器件)并传输至该逻辑电路，以使该逻辑电路运行计算机执行指令以执行上述第一方面或第二方面或第三方面中的任一项设计所提供的方法。
在一些可能的设计中，该通信装置可以为芯片或芯片系统。
第八方面，提供一种通信装置，包括处理器和存储器。该处理器用于读取存储器中存储的指令，并可通过接收器接收信号，通过发射器发射信号，以执行上述第一方面或第二方面或第三方面中的任一项设计所提供的方法。
可选地，该处理器可以为一个或多个，该存储器也可以为一个或多个。可选地，该存储器可以与该处理器集成在一起，或者该存储器与处理器分离设置。
在具体实现过程中，存储器可以为非瞬时性(non-transitory)存储器，例如只读存储器(read only memory，ROM)，其可以与处理器集成在同一块芯片上，也可以分别设置在不同的芯片上，本申请对存储器的类型以及存储器与处理器的设置方式不做限定。
该通信装置可以是一个芯片，该处理器可以通过硬件来实现也可以通过软件来实现，当通过硬件实现时，该处理器可以是逻辑电路、集成电路等；当通过软件来实现时，该处理器可以是一个通用处理器，通过读取存储器中存储的软件代码来实现，该存储器可以集成在处理器中，可以位于该处理器之外，独立存在。
第九方面，提供一种处理器，包括：输入电路、输出电路和处理电路。该处理电路用于通过该输入电路接收信号，并通过该输出电路发射信号，使得该处理器执行上述第一方面或第二方面或第三方面中的任一项设计所提供的方法。
在具体实现过程中，上述处理器可以为芯片，输入电路可以为输入管脚，输出电路可以为输出管脚，处理电路可以为晶体管、门电路、触发器和各种逻辑电路等。输入电路所接收的输入的信号可以是由例如但不限于接收器接收并输入的，输出电路所输出的信号可以是例如但不限于输出给发射器并由发射器发射的，且输入电路和输出电路可以是同一电路，该电路在不同的时刻分别用作输入电路和输出电路。本申请对处理器及各种电路的具体实现方式不做限定。
第十方面，提供一种通信装置，包括：逻辑电路和输入输出接口，该输入输出接口用于与该通信装置之外的模块通信；该逻辑电路用于运行计算机程序或指令以执行上述任一方面的任一项设计所提供的方法。该通信装置可以为上述第一方面或第二方面或第三方面中的终端设备或策略控制网络功能或接入管理网络功能，或者包含上述终端设备或策略控 制网络功能或接入管理网络功能的装置，或者上终端设备或策略控制网络功能或接入管理网络功能中包含的装置，比如芯片。
或者，该输入输出接口可以为代码/数据读写接口电路，或通信接口，该输入输出接口用于接收计算机程序或指令(计算机程序或指令存储在存储器中，可能直接从存储器读取，或可能经过其他器件)并传输至该输入输出接口，以使该输入输出接口运行计算机程序或指令以执行上述任一方面的方法。
可选的，该通信装置可以为芯片。
第十一方面，提供一种计算机程序产品，该计算机程序产品包括：计算机程序(也可以称为代码，或指令)，当该计算机程序被运行时，使得计算机执行上述第一方面或第二方面或第三方面中的任一项设计所提供的方法。
第十二方面，提供一种计算机可读介质，该计算机可读介质存储有计算机程序(也可以称为代码，或指令)当其在计算机上运行时，使得计算机执行上述第一方面或第二方面或第三方面中的任一项设计所提供的方法。
第十三方面，提供一种芯片系统，该芯片系统包括处理器和接口，用于支持通信装置实现上述第一方面或第二方面或第三方面中任一项设计所提供的功能。在一种可能的设计中，芯片系统还包括存储器，用于保存前述通信装置的必要的信息和数据。该芯片系统，可以由芯片构成，也可以包括芯片和其他分立器件。
第十四方面，提供一种芯片装置，该芯片装置包括输入接口和/或输出接口。该输入接口可以实现上述第一方面或第二方面或第三方面中任一项设计所提供的接收功能，该输出接口可以实现上述第一方面或第二方面或第三方面中任一项设计所提供的发送功能。
第十五方面，提供一种功能实体，该功能实体用于实现上述第一方面至第三方面中的任一项设计所提供的方法。
第十六方面，提供一种通信系统，包括上述第一方面或第二方面或第三方面的终端设备或策略控制网络功能或接入管理网络功能。
其中，第二方面至第十六方面中任一种设计方式所带来的技术效果可参见上述第一方面所带来的技术效果，此处不再赘述。
附图说明
图1为一种通信系统的架构示意图；
图2为本申请实施例提供的一种通信过程示意图；
图3为本申请实施例提供的一种通信过程示意图；
图4为本申请实施例提供的一种通信过程示意图；
图5为本申请实施例提供的一种通信装置的结构示意图；
图6为本申请实施例提供的一种通信装置的结构示意图；
图7为本申请实施例提供的一种通信装置的结构示意图。
具体实施方式
下面将结合附图对本申请作进一步地详细描述。
本申请将围绕可包括多个设备、组件、模块等的系统来呈现各个方面、实施例或特征。 应当理解和明白的是，各个系统可以包括另外的设备、组件、模块等，并且/或者可以并不包括结合附图讨论的所有设备、组件、模块等。此外，还可以使用这些方案的组合。
另外，在本申请实施例中，“示例的”一词用于表示作例子、例证或说明。本申请中被描述为“示例”的任何实施例或设计方案不应被解释为比其他实施例或设计方案更优选或更具优势。确切而言，使用“示例的”一词旨在以具体方式呈现概念。
本申请实施例描述的网络架构以及业务场景是为了更加清楚的说明本申请实施例的技术方案，并不构成对于本申请实施例提供的技术方案的限定，本领域普通技术人员可知，随着网络架构的演变和新业务场景的出现，本申请实施例提供的技术方案对于类似的技术问题，同样适用。
以下对本申请实施例的部分用语进行解释说明，以便于本领域技术人员理解。
1)用户设备(user equipment，UE)，也称终端设备，是一种具有无线收发功能的设备，可以经无线接入网(radio access network，RAN)中的接入网设备与一个或多个核心网(core network，CN)设备进行通信。
用户设备也可称为接入终端、终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、用户代理或用户装置等。用户设备可以部署在陆地上，包括室内或室外、手持或车载；也可以部署在水面上(如轮船等)；还可以部署在空中(例如飞机、气球和卫星上等)。用户设备可以是蜂窝电话(cellular phone)、无绳电话、会话启动协议(session initiation protocol，SIP)电话、智能电话(smart phone)、手机(mobile phone)、无线本地环路(wireless local loop，WLL)站、个人数字处理(personal digital assistant，PDA)等。或者，用户设备还可以是具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它设备、车载设备、可穿戴设备、无人机设备或物联网、车联网中的终端、第五代移动通信(5th-generation，5G)网络以及未来网络中的任意形态的终端、中继用户设备或者未来演进的PLMN中的终端等。其中，中继用户设备例如可以是5G家庭网关(residential gateway，RG)。例如用户设备可以是虚拟现实(virtual reality，VR)终端、增强现实(augmented reality，AR)终端、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程医疗(remote medical)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端等。本申请实施例对终端设备的类型或种类等并不限定。
2)网络设备，指可以为终端提供无线接入功能的设备。其中，网络设备可以支持至少一种无线通信技术，例如长期演进(long term evolution，LTE)、新无线(new radio，NR)等。
其中，网络设备可以包括接入网设备。示例的，网络设备包括但不限于：5G网络中的下一代基站或下一代节点B(generation nodeB，gNB)、演进型节点B(evolved node B，eNB)、无线网络控制器(radio network controller，RNC)、节点B(node B，NB)、基站控制器(base station controller，BSC)、基站收发台(base transceiver station，BTS)、家庭基站(例如，home evolved node B、或home node B，HNB)、基带单元(baseband unit，BBU)、收发点(transmitting and receiving point，TRP)、发射点(transmitting point，TP)、移动交换中心、小站、微型站等。网络设备还可以是云无线接入网络(cloud radio access network，CRAN)场景下的无线控制器、集中单元(centralized unit，CU)、和/或分布单元(distributed unit， DU)，或者网络设备可以为中继站、接入点、车载设备、终端、可穿戴设备以及未来移动通信中的网络设备或者未来演进的公共移动陆地网络(public land mobile network，PLMN)中的网络设备等。
显然，网络设备也可以包括核心网(core network，CN)设备。示例的，核心网设备可以包括会话管理功能(session management function，SMF)，或接入与移动性管理功能(access and mobility management function，AMF)等。
可选的，核心网设备包括应用功能(application function，AF)。需要指出的是，核心网设备也可以不包括AF。
3)区域业务信息，与终端设备所在区域相关的业务信息。例如区域业务信息可以但不限于包括以下一种或多种：终端设备所在区域能够使用的业务信息、终端设备所在区域能够使用的业务优惠信息。
区域业务信息可以由终端设备所接入的AMF决策生成，然后通过用户设备配置更新(UE Configuration Update)流程发送给终端设备。可选的，AMF可以根据终端设备所在区域、终端设备所接入PLMN或终端设备归属的PLMN，决策生成区域业务信息。
可选的，区域业务信息可以采用网络标识(network identity，NI)信息表示，或网络标识与时区(network identity&time zone，NITZ)信息表示。其中NI可以是运营商网络标识的全称或简称，时区TZ可以是终端设备所在区域所处的本地时区信息和/或全球时间。
本申请中的“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。
本申请中所涉及的至少一个是指一个或多个，多个是指两个或两个以上。
另外，需要理解的是，在本申请的描述中，“第一”、“第二”等词汇，仅用于区分描述的目的，而不能理解为指示或暗示相对重要性，也不能理解为指示或暗示顺序。
本申请实施例的技术方案可以应用于各种通信系统。通信系统通常包括但不限于第四代(4th generation，4G)通信系统(例如，LTE系统)，5G通信系统(例如，NR系统)，及未来的移动通信系统等。本申请也可以应用于其它通信系统，如卫星通信系统，卫星通信系统可以与上述通信系统相融合。
为了便于理解本申请实施例，以图1所示的5G网络架构为例对本申请使用的应用场景进行说明。图1为一种可能的5G网络架构。该网络架构中可以包括：用户设备UE101、网络设备部分和数据网络(data network，DN)部分。
其中，网络设备部分包括接入网(access network，AN)102、用户面功能(user plane function，UPF)103、AMF 105、SMF 106、策略控制功能(policy control function，PCF)107、统一数据管理(unified data management，UDM)108、统一数据仓库(unified data repository，UDR)110等。在上述网络设备中，除接入网102部分之外的部分可以称为核心网部分。
数据网络DN 104，用于为用户提供数据传输服务，如互联网协议多媒体系统(internet protocol multimedia subsystem，IMS)、因特网(Internet)等。DN104可以部署在运营商网络之外，例如第三方网络。
应用功能(application function，AF)109，用于传递应用侧对网络侧的需求，例如服 务质量(quality of service，QoS)需求等。AF可以隶属于运营商网络，例如AF可以为运营商部署的应用服务，如因特网协议(internet protocol，IP)多媒体子系统(IP multimedia subsystem，IMS)语音呼叫业务。或者AF也可以不隶属于运营商网络，例如AMF可以为第三方功能实体。
示例性的，下面对运营商网络中的网络功能进行简要介绍。
AN 102，也称无线(Radio)AN，用于UE101接入运营商网络。示例的，UE101经过AN102，与运营商网络中的业务节点连接。本申请实施例中的AN102，可以指代接入网本身，也可以指接入网设备，此处不作区分。AN102对应通信系统中的不同接入网，例如有线接入、无线基站接入等方式。其中接入网设备是一种为UE101提供无线通信功能的设备，也可以称为接入设备、(R)AN设备或网络设备等。该接入网设备包括但不限于：5G系统中的gNB、LTE系统中的eNB、RNC、NB、BSC、BTS、HNB、BBU、TRP、TP、小基站设备(pico)、移动交换中心，或者无线保真(wireless-fidelity，Wi-Fi)接入点(access point，AP)，或者未来网络中的网络设备等。可理解，本申请对接入网设备的具体类型不作限定。采用不同无线接入技术的系统中，具备接入网设备功能的设备的名称可能会有所不同。
可选的，在接入设备的一些部署中，接入设备可以包括CU和DU等。
用户面功能UPF103，是运营商网络与DN 104通信的网关。UPF103用于完成用户面数据转发、基于会话/流级的计费统计、带宽限制等。
接入与移动性管理功能AMF105，用于进行移动性管理、接入鉴权/授权等，还可以用于在UE101和PCF107之间传递用户策略。
会话管理功能SMF106，用于进行会话管理、执行PCF107下发的控制策略、选择UPF、分配UE的IP地址等。
策略控制功能PCF 107，负责针对会话/业务流级别进行计费、QoS带宽保障及移动性管理、UE策略决策等策略控制功能。可选的，AMF连接的PCF可以为接入与移动性控制PCF(PCF for access and mobility control，AM PCF)，SMF连接的PCF可以为会话管理PCF(PCF for session management，SM PCF)，AM PCF和SM PCF可以位于同一PCF实体，也可以位于不同PCF实体。
统一数据管理UDM108，负责管理签约数据、用户接入授权等。
图1中N1、N2、N3、N4、N5、N6、N7、N8、N9、N10、N11、N35以及N36为接口序列号。示例性的，上述接口序列号的含义可参见3GPP标准协议中定义的含义，本申请对于上述接口序列号的含义不做限制。需要说明的是，图1中仅以UE101为终端设备作出了示例性说明，图1中的各个网络功能之间的接口名称也仅仅是一个示例，在具体实现中，该系统架构的接口名称还可能为其他名称，本申请对此不作限定。
一种可能的用户注册流程如下：UE通过AN向AMF发送注册请求，注册请求携带用户标识，AMF根据用户标识向UDM发送签约数据获取请求，UDM可以在UDR中获取签约数据。AMF还可以向PCF发起用户策略控制建立请求(UEPolicyControl_Create)，用于获取UE策略，以及发起接入管理策略控制建立请求(AMPolicyControl_Create)，用于获取接入控制策略。PCF可以将接入控制策略发送给AMF，由AMF向UE提供UE策略。
一种可能的会话建立流程如下：UE通过AN向AMF发送分组数据单元(packet data unit， PDU)会话建立请求，AMF选择为该会话提供服务的SMF，保存SMF和PDU会话的对应关系，并向SMF发送PDU会话建立请求。SMF为UE选择UPF并建立用户面传输路径，以及为UE分配IP地址。SMF还可以向PCF发起策略控制会话建立请求，该策略控制会话建立请求用于在SMF和PCF之间建立策略控制会话。在策略控制会话建立过程中，SMF可以保存策略控制会话与PDU会话之间的对应关系。AF还可以与PCF建立AF会话，PCF可以对AF会话与策略控制会话进行绑定，保存AF会话与策略控制会话之间的对应关系。
在一些可能的场景中，运营商可以提供区域性增值套餐，例如区域性增值套餐可以为区域性优惠套餐(如校园套餐)，当用户通过这些特定的区域接入时，才可以享受特定的优惠费率。在该场景中，当用户通过特定的区域接入时，PCF可以生成相应的策略规则，以实现用户流量的差异化计费。
在另一些可能的场景中，运营商可以部署区域性业务，例如特定商场或场馆内可用的本地业务，当用户通过这些特定的区域接入时，才可以访问本地业务。在该场景中，当UE通过特定的区域接入时，网络侧设备可以向用户提供该区域可用的本地数据网络(local area data network，LADN)信息，用户还可以接收到用户终端路由选择策略(UE route selection policy，URSP)或用户终端本地配置(UE Local Configuration)信息，使得用户在发起本地业务时，可以准确选择LADN。
但是用户无法感知到当前所在区域是否位于目标区域(想要接入的目标业务所在的特定区域)，对于当前所在区域是否可以接入目标业务或是否可以享受优惠费率不可知，导致用户只能等待账单出具后，才能判断当前所在区域是否享受了优惠费率，或者只能尝试重新接入目标业务，而在当前所在区域不位于目标区域时无法接入目标业务。
基于此，本申请实施例提供一种通信方法。在该方法中，终端设备可以接收到区域业务信息，该区域业务信息包括终端设备所在区域能够使用的业务信息和/或能够使用的业务优惠信息，并将该区域业务信息及时通知给用户，这样用户可以准确感知所在区域是否位于目标区域，以及可以感知所在区域可以使用的业务信息和/或业务优惠信息，提高用户使用本地业务时的体验。
本申请实施例提供的通信方法可以应用于图1所示的通信系统。图2为一种可能的通信方法，包括以下步骤：
S201：策略控制网络功能确定区域业务信息。
策略控制网络功能可以为图1中的PCF。
区域业务信息包括以下一种或多种信息：终端设备所在区域能够使用的业务信息、终端设备所在区域能够使用的业务优惠信息。终端设备所在区域指终端设备当前所在的区域，可以通过但不限于以下一种或多种信息表示：终端设备当前的经纬度信息、终端设备当前的地址、终端设备的IP地址、终端设备当前接入的小区、终端设备当前接入的基站、或终端设备的时区等。终端设备所在区域能够使用的业务信息可以包括仅在该区域内允许接入的业务、在该区域内接入时享有优惠费率的业务、在该区域内接入时免费使用的业务。终端设备所在区域能够使用的业务优惠信息可以包括该区域能够使用的业务所享有的费率优惠信息，或该区域能够使用的业务所享有的流量免费信息。
区域业务信息可以通过NI，或者NITZ信息表示。当然，区域业务信息也可以独立与NI进行使用，在本申请实施例中不做限定。一种可能的方式，区域业务信息可以由运营商 的网络标识+后缀组成，该后缀可以用于表示能够使用的业务信息、能够使用的业务优惠信息等。以中国移动的网络标识CMCC为例，例如区域业务信息可以为CMCC-免费(Free)，CMCC表示区域内提供业务的运营商的NI，Free表示接入业务时免费使用。又如区域业务信息可以为CMCC-虚拟现实游戏(virtual reality game，VR Game)，CMCC表示区域内提供的运营商的NI，VR Game表示区域内能够使用VR Game业务。
在该S201中，策略控制网络功能根据策略决策信息，确定区域业务信息。其中策略决策信息包括但不限于以下一个或多个信息：运营商在该区域内提供的业务、运营商在该区域内提供的业务优惠、终端设备订阅的业务列表。具体地，终端设备订阅的业务列表可以是终端设备直接或间接向策略控制网络功能所提供的业务列表，可用于辅助策略控制网络功能为终端设备提供何种目标业务对应的业务信息。
可选的，在该S201之前，AF可以向策略控制网络功能发送策略授权请求消息。该策略授权请求消息可以包括运营商在区域内提供的业务信息(如业务标识)、运营商在区域内提供的业务优惠信息、流量统付支持信息、时间或位置的可用性准则(availability criteria)、赞助商身份(sponsor status)的状态等。运营商在区域内提供的业务优惠信息和流量统付支持信息可以包含在服务信息中。
策略控制网络功能可以是与AMF交互的AM PCF，即负责执行接入与移动性管理相关的策略决策的功能网元。在实际部署中，该策略控制网络功能还可以与负责执行会话管理相关策略决策的功能网元合设，本申请对此不做限定。
S202：策略控制网络功能向接入管理网络功能发送区域业务信息。
对应的，接入管理网络功能获取到区域业务信息。
一个可能的示例，在终端设备注册过程中，策略控制网络功能可以向接入管理网络功能发送接入管理策略控制建立响应消息(如Npcf_AMPolicyControl_Create Response)，该接入管理策略控制建立响应消息中包括区域业务信息。
另一个可能的示例，在终端设备注册完成后，策略控制网络功能可以向接入管理网络功能发送接入管理策略控制更新响应消息(如Npcf_AMPolicyControl_Update Response)，该接入管理策略控制更新响应消息中包括区域业务信息。
又一个可能的示例，策略控制网络功能可以向接入管理网络功能发送接入管理策略控制更新通知请求消息(Npcf_AMPolicyControl_UpdateNotify Request)，该接入管理策略控制更新通知请求消息中包括区域业务信息。
可以理解，如果接入管理网络功能具有区域业务信息的生成能力，该接入管理网络功能可以生成区域业务信息。在该情况下，则S201为可选步骤。
接入管理网络功能可以在本地保存终端设备所在区域的区域业务信息。
S203：接入管理网络功能向终端设备发送区域业务信息。对应的，终端设备接收区域业务信息。
一个可能的示例，接入管理网络功能可以发起用户设备配置更新(UE Configuration Update)流程，在该流程中，向终端设备发送区域业务信息。可选的，若UE Configuration Update流程发生在终端设备的注册阶段，接入管理网络功能可以向终端设备发送注册响应消息(Registration Accept)，该注册响应消息中包括区域业务信息。
S204：终端设备向用户通知区域业务信息。
终端设备向用户通知区域业务信息的方式可以有多种，在本申请实施例中不做限制。 例如终端设备可以在用户界面展示区域业务信息。又如终端设备还可以采用语音播报的方式通知区域业务信息等。
在此以终端设备在用户界面展示区域业务信息进行示例说明，在用户界面中，终端设备可以展示提供业务的运营商的网络标识，该网络标识中可以包含能够使用的业务信息(如CMCC-VR Game)和/或能够使用的业务优惠信息(如CMCC-Free)等。
在一个可能的场景中，图2所示的通信方法可以应用于终端设备的注册流程。
在该通信方法中，终端设备可以接收到区域业务信息，该区域业务信息包括终端设备所在区域能够使用的业务信息和/或能够使用的业务优惠信息，并将该区域业务信息通知给用户，这样用户可以准确感知所在区域是否位于目标区域，以及可以感知所在区域可以使用的业务信息和/或业务优惠信息，提高用户使用本地业务时的体验。
根据终端设备通知的区域业务信息，用户可以选择想要接入或发起的目标业务，此时终端设备可以将用户选择的目标业务进行上报，以便于策略控制网络功能和/或会话管理网络功能进行相应的策略决策。图3为另一种可能的通信方法，包括如下步骤：
S301：终端设备发送第一消息。对应的，接入管理网络功能接收第一消息。
第一消息用于策略控制网络功能和/或会话管理网络功能进行策略决策。例如第一消息可以包括业务指示信息和/或免流指示信息。业务指示信息用于指示终端设备在终端设备所在区域使用的业务信息。免流指示信息用于指示终端设备在终端设备所在区域使用了免费业务。
一个可能的示例，第一消息可以为会话建立消息，如终端设备基于用户选择的目标业务，发起PDU会话建立流程。可选的，如果未建立PDU会话，或者已有的PDU会话不能满足该目标业务的业务需求，终端设备可以发送会话建立消息，会话建立消息包括业务指示信息和/或免流指示信息。
另一个可能的示例，第一消息可以为会话修改消息，如终端设备基于用户选择的目标业务，发起PDU会话修改流程。可选的，如果目标业务可以在已有的PDU会话中承载，或者已有的PDU会话可以满足该目标业务的业务需求，终端设备发送会话修改消息，会话修改消息包括业务指示信息和/或免流指示信息。
S302：接入管理网络功能向会话管理网络功能发送第四消息。对应的，会话管理网络功能接收第四消息。
第四消息包括业务指示信息和/或免流指示信息。可选的，第四消息还可以包括区域业务信息。第四消息可以为会话管理消息，例如包括会话管理创建请求，和/或会话管理更新请求。如果终端设备已经建立了PDU会话，接入管理网络功能可以在S202或S301之后，接入管理网络功能发送第四消息。如果终端设备未建立PDU会话，接入管理网络功能可以在接收到PDU会话建立消息时发送第四消息。
可选的，在该S302之前，接入管理网络功能还可以根据终端设备的位置信息以及区域业务信息，确定业务指示信息和/或免流指示信息。由于接入管理网络功能确定的业务指示信息以及免流指示信息的可靠性更高，因此策略控制网络功能和/或会话管理网络功能进行的策略决策的准确性也更高。
S303：会话管理网络功能发送第二消息。对应的，策略控制网络功能接收第二消息。
第二消息包括业务指示信息和/或免流指示信息。第二消息用于策略控制网络功能进行 相应的策略决策。例如第二消息包括业务指示信息，策略控制网络功能可以为业务指示信息指示的业务决策对应的策略规则。又如第二消息包括免流指示信息，策略控制网络功能可以确定对终端设备接入的目标业务不进行计费。
策略控制网络功能可以是与SMF交互的SM PCF，即负责执行会话管理相关策略鞠策的功能网元。在实际部署中，该策略控制网络功能还可以与负责接入与移动性管理相关策略决策的功能网元合设，本申请对此不做限定。AM PCF和SM PCF可以属于同一物理设备，或者可以属于不同的物理设备。
S304：策略控制网络功能根据第二消息，发送第三消息。对应的，会话管理网络功能接收第三消息。
如果第二消息包括业务指示信息，第三消息可以用于指示该业务指示信息指示的业务对应的策略规则。如果第二消息包括免流指示信息，第三消息可以用于指示不进行计费。
例如策略控制网络功能可以设置具体的计费键值(charging key)，分别指示业务对应的策略规则或者不计费。又如策略控制网络功能可以设置计费方式(charging method)，分别指示业务对应的策略规则或者不计费，如charging method为neither指示不进行计费。
S305：会话管理网络功能执行业务对应的策略规则，或者不进行计费。
如果第三消息指示业务对应的策略规则，会话管理网络功能按照业务对应的策略规则进行计费。如果第三消息指示不进行计费，会话管理网络功能对用户接入的目标业务不进行计费。
在一个可能的场景中，图3所示的通信方法可以应用于PDU会话建立或修改流程。在该通信方法中，终端设备可以基于用户选择的目标业务，上报业务指示信息或免流指示信息，以便于会话管理网络功能和/或策略控制功能为目标业务进行相应的策略决策。从而实现准确计费，提高用户使用本地业务的体验。
在本申请的各个实施例中，如果没有特殊说明以及逻辑冲突，不同的实施例之间的术语和/或描述具有一致性、且可以相互引用，不同的实施例中的技术特征根据其内在的逻辑关系可以组合形成新的实施例。
下面以图2和图3进行结合为例，对本申请实施例提供的通信方法进行说明，参见图4，包括以下步骤：
S401：UE注册到5G网络。
S402：AF向AM PCF发送策略授权请求消息，该策略授权请求消息包括UE的标识以及与策略决策相关的信息。
该与策略决策相关的信息可以包括运营商在区域内提供的业务优惠信息、流量统付支持信息等等。该策略授权请求消息可以是Npcf_AMPolicyControl_Create/Update消息。应理解，S402可以为可选步骤，执行完S401后可以直接执行S403。
S403：AM PCF生成区域业务信息。
该区域业务信息可以通过NI或NITZ信息指示区域业务信息。
S404：AM PCF向AMF发送管理策略控制更新响应消息(Npcf_AMPolicyControl_Update Response)或接入管理策略控制更新通知请求消息(Npcf_AMPolicyControl_UpdateNotify Request)，该管理策略控制更新响应消息或接入管理策略控制更新通信请求消息包括NI或NITZ信息。
S405：AMF向UE发送用户设备配置更新命令(UE Configuration Update Command)，该用户设备配置更新命令包括区域业务信息。
S406：UE通知NI或NITZ信息，根据用户选择的目标业务，确定业务指示信息和/或免流指示信息。
S407：UE向AMF发送PDU会话建立或修改请求。
该PDU会话建立或修改请求包括业务指示信息和/或免流指示信息。此外，S407为可选步骤，可以在执行完S406之后直接执行S408。
S408：AMF通过SMF向SM PCF发送会话管理请求。
该会话管理请求包括业务指示信息和/或免流指示信息。可选的，会话管理请求还可以包括区域业务信息如NI或NITZ信息。
S409：SM PCF决策业务对应的策略规则或不计费。
S410：SMF执行策略规则或者不进行计费。
在该通信方法中，PCF可以生成业务信息和/或业务优惠信息，通过对NI进行扩展向UE提供当前区域可用的业务信息和/或业务优惠信息，用户可以基于NI以及当前区域内的其它约束条件，确定是否启用特殊的NI，即确定是否接入当前区域内的特定业务。UE可以根据用户的选择发起PDU会话建立/修改流程，然后由SM PCF为用户选择的目标业务决策相应的策略，并由SMF为用户选择的目标业务执行相应的策略。
基于与上述通信方法的同一技术构思，本申请实施例还提供一种通信装置，如图5所示，通信装置500包括处理单元501和收发单元502，通信装置500可以用于实现上述方法实施例中描述的方法。装置500可以应用于终端设备或者策略控制网络功能或者接入管理网络功能，或者位于终端设备或者策略控制网络功能或者接入管理网络功能中。可选的收发单元502所实现的功能可以由通信接口完成。
在一个可能的实施例中，装置500为终端设备时，收发单元502用于接收区域业务信息，区域业务信息包括终端设备所在区域能够使用的业务信息和/或能够使用的业务优惠信息；处理单元501，用于通知区域业务信息。
在一个实现方式中，区域业务信息可以为NI或者NITZ信息。
在一个实现方式中，收发单元502具体用于接收策略控制网络功能发送的区域业务信息。
在一个实现方式中，收发单元502还用于发送第一消息，第一消息包括业务指示信息和/或免流指示信息，业务指示信息和/或免流指示信息用于策略控制网络功能进行策略决策。
其中，业务指示信息用于指示终端设备在终端设备所在区域使用的业务信息；免流指示信息用于指示终端设备在终端设备所在区域使用了免费业务。
在一个实现方式中，第一消息可以为会话建立消息或会话修改消息。
在另一个可能的实施例中，装置500为策略控制网络功能时，处理单元501用于确定区域业务信息，区域业务信息包括终端设备所在区域能够使用的业务信息和/或能够使用的业务优惠信息；收发单元502(这里的收发单元502可以为通信接口)，用于发送区域业务信息。
在一个实现方式中，区域业务信息可以为NI或者NITZ信息。
在一个实现方式中，处理单元501用于可以根据策略决策信息确定区域业务信息。策略决策信息可以包括以下一个或多个信息：运营商在区域内提供的业务、运营商在区域内提供的业务优惠、终端设备订阅的业务列表。
在一个实现方式中，收发单元502还用于接收会话管理网络功能发送的第二消息，第二消息包括业务指示信息，根据第二消息，向会话管理网络功能发送第三消息，第三消息指示业务指示信息指示的业务对应的策略规则。
在一个实现方式中，收发单元502还用于接收会话管理网络功能发送的第二消息，第二消息包括免流指示信息，根据第二消息，向会话管理网络功能发送第三消息，第三消息指示不进行计费。
在又一个可能的实施例中，装置500为接入管理网络功能时，收发单元502用于收发信息；处理单元501，用于获取策略控制网络功能发送的区域业务信息，区域业务信息包括终端设备所在区域能够使用的业务信息和/或能够使用的业务优惠信息；并通过收发单元502向终端设备发送区域业务信息。
在一个实现方式中，处理单元501还用于根据区域业务信息，确定NI或者NITZ信息；收发单元502，具体用于向终端设备发送NI或NITZ信息。
在一个实现方式中，收发单元502还用于接收第一消息，第一消息可以为会话建立消息或会话修改消息，向会话管理网络功能发送第四消息。第四消息包括业务指示信息和/或免流指示信息，业务指示信息和/或免流指示信息用于策略控制网络功能进行策略决策。
其中，业务指示信息用于指示终端设备在终端设备所在区域使用的业务信息；免流指示信息用于指示终端设备在终端设备所在区域使用了免费业务。
在一个实现方式中，处理单元501还用于根据终端设备的位置信息以及区域业务信息，确定业务指示信息和/或免流指示信息。
在一个实现方式中，第四消息可以为会话管理消息。
需要说明的是，本申请实施例中对模块的划分是示意性的，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，另外，在本申请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。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。例如收发单元可以包括接收单元和/或发送单元。
集成的单元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，该集成的单元可以作为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)或处理器(processor)执行本申请各个实施例方法的全部或部分步骤。
如图6所示，本申请实施例还提供了一种通信装置600的结构示意图。装置600可用于实现上述方法实施例中描述的方法，可以参见上述方法实施例中的说明。
装置600包括一个或多个处理器601。处理器601可以是通用处理器或者专用处理器等。例如可以是基带处理器、或中央处理器。基带处理器可以用于对通信协议以及通信数据进行处理，中央处理器可以用于对通信装置(如，基站、终端、或芯片等)进行控制，执行软件程序，处理软件程序的数据。通信装置可以包括收发单元，用以实现信号的输入(接收)和输出(发送)。例如，收发单元可以为收发器，射频芯片等。
装置600包括一个或多个处理器601，一个或多个处理器601可实现上述所示的实施例中的方法。可选的，处理器601除了实现上述所示的实施例的方法，还可以实现其他功能。
一种设计中，处理器601可以执行指令，使得装置600执行上述方法实施例中描述的方法。指令可以全部或部分存储在处理器601内，如指令603可以全部或部分存储在处理器601中，或者指令603存储在处理器601中，以及指令604存储在与处理器耦合的存储器602中，处理器601可以同步执行指令603和指令604使得装置600执行上述方法实施例中描述的方法。指令603和指令604也称为计算机程序。
在又一种可能的设计中，通信装置600还可以包括电路，电路可以实现前述方法实施例中的功能。
在又一种可能的设计中装置600中可以包括一个或多个存储器602，其上存有指令604，指令可在处理器601上被运行，使得装置600执行上述方法实施例中描述的方法。可选的，存储器602中还可以存储有数据。可选的处理器601中也可以存储指令和/或数据。例如，一个或多个存储器602可以存储上述实施例中所描述的对应关系，或者上述实施例中所涉及的相关的参数或表格等。处理器和存储器可以单独设置，也可以集成在一起。
在又一种可能的设计中，装置600还可以包括收发器605以及天线606。处理器601可以称为处理单元，对装置(终端或者基站)进行控制。收发器605可以称为收发机、收发电路、或者收发单元等，用于通过天线606实现装置的收发功能。
处理器可以是一个通用中央处理器(central processing unit，CPU)、微处理器、特定应用集成电路(application-specific integrated circuit，ASIC)、一个或多个用于控制本申请方案程序执行的集成电路、通用处理器、数字信号处理器(digital signal processor，DSP)、现成可编程门阵列(field programmable gate asrray，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申请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。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以存储介质中，该存储介质位于存储器。
存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)。应注意，本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。存储器可以是独立存在，通过通信线路与处理器相连接。存储器也可以和处理器集成在一起。
本申请实施例还提供了一种计算机可读介质，其上存储有计算机程序，该计算机程序被计算机执行时实现上述任一方法实施例的通信方法。
本申请实施例还提供了一种计算机程序产品，包括计算机程序，该计算机程序被计算机执行时实现上述任一方法实施例的通信方法。
本申请实施例还提供了一种通信系统，包括终端设备和网络设备，网络设备可以包括策略控制网络功能和/或接入管理网络功能。终端设备和网络设备可以实现上述任一方法实施例。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行计算机指令时，全部或部分地产生按照本申请实施例的流程或功能。计算机可以是上述通信装置。计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输。计算机可读存储介质可以是上述存储介质或上述存储器。
在一种可能的设计中，当上述通信装置是芯片，如网络设备中的芯片时，或者，如终端设备中的芯片时，确定单元或者处理器601可以是一个或多个逻辑电路，发送单元或者接收单元或者收发器605可以是输入输出接口，又或者称为通信接口，或者接口电路，或接口等等。或者收发器605还可以是发送单元和接收单元，发送单元可以是输出接口，接收单元可以是输入接口，该发送单元和接收单元集成于一个单元，例如输入输出接口。如图7所示，图7所示的通信装置700包括逻辑电路701和接口电路702。即上述确定单元或者处理器601可以用逻辑电路701实现，发送单元或者接收单元或者收发器605可以用接口电路702实现。其中，该逻辑电路701可以为芯片、处理电路、集成电路或片上系统(system on chip，SoC)芯片等，接口电路702可以为通信接口、输入输出接口等。本申请实施例中，逻辑电路和接口电路还可以相互耦合。对于逻辑电路和接口电路的具体连接方式，本申请实施例不作限定。
在本申请的一些实施例中，该逻辑电路701和接口电路702可用于执行上述终端设备或策略控制网络功能或接入管理网络功能执行的功能或操作等。接口电路702可以用于接收来自通信装置700之外的其它通信装置的信号并传输至逻辑电路701或将来自逻辑电路701的信号发送给通信装置700之外的其它通信装置。逻辑电路701可以通过执行代码指令用于实现上述任一方法实施例。
示例性地，接口电路702用于接收区域业务信息，区域业务信息包括终端设备所在区域能够使用的业务信息和/或能够使用的业务优惠信息。逻辑电路701用于通知区域业务信息。网络设备或终端设备执行的功能或操作可以参照前述方法实施例，在此不再赘述。
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、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。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申请的范围。
所属领域的技术人员可以清楚地了解到，为了描述的方便和简洁，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，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。另外，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，也可以是电的，机械的或其它的形式连接。
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申请实施例方案的目的。
另外，在本申请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，也可以是两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
通过以上的实施方式的描述，所属领域的技术人员可以清楚地了解到本申请可以用硬件实现，或固件实现，或它们的组合方式来实现。当使用软件实现时，可以将上述功能存储在计算机可读介质中或作为计算机可读介质上的一个或多个指令或代码进行传输。计算机可读介质包括计算机存储介质和通信介质，其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。存储介质可以是计算机能够存取的任何可用介质。
总之，以上仅为本申请技术方案的实施例而已，并非用于限定本申请的保护范围。凡在本申请的原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (39)

  1. 一种通信方法，其特征在于，包括：
    终端设备接收区域业务信息，所述区域业务信息包括所述终端设备所在区域能够使用的业务信息和/或能够使用的业务优惠信息；
    所述终端设备通知所述区域业务信息。
  2. 如权利要求1所述的方法，其特征在于，所述区域业务信息为网络标识NI，或者网络标识与时区NITZ信息。
  3. 如权利要求1或2所述的方法，其特征在于，所述终端设备接收区域业务信息，包括：
    所述终端设备接收策略控制网络功能设备发送的所述区域业务信息。
  4. 如权利要求1-3任一项所述的方法，其特征在于，所述方法还包括：
    所述终端设备发送第一消息，所述第一消息包括业务指示信息和/或免流指示信息，所述业务指示信息和/或免流指示信息用于策略控制网络功能设备进行策略决策；
    其中，所述业务指示信息用于指示所述终端设备在所述终端设备所在区域使用的业务信息；所述免流指示信息用于指示所述终端设备在所述终端设备所在区域使用了免费业务。
  5. 如权利要求4所述的方法，其特征在于，所述第一消息为会话建立消息或会话修改消息。
  6. 一种通信方法，其特征在于，包括：
    策略控制网络功能设备确定区域业务信息，所述区域业务信息包括终端设备所在区域能够使用的业务信息和/或能够使用的业务优惠信息；
    所述策略控制网络功能设备发送所述区域业务信息。
  7. 如权利要求6所述的方法，其特征在于，所述区域业务信息为网络标识NI，或者网络标识时区NITZ信息。
  8. 如权利要求6或7所述的方法，其特征在于，所述策略控制网络功能设备确定区域业务信息，包括：
    所述策略控制网络功能设备根据策略决策信息，确定区域业务信息，所述策略决策信息包括以下一个或多个信息：
    运营商在所述区域内提供的业务、运营商在所述区域内提供的业务优惠、所述终端设备订阅的业务列表。
  9. 如权利要求6所述的方法，其特征在于，所述方法还包括：
    所述策略控制网络功能设备接收会话管理网络功能设备发送的第二消息，所述第二消息包括业务指示信息；所述策略控制网络功能设备根据所述第二消息，向所述会话管理网络功能设备发送第三消息，所述第三消息指示所述业务指示信息指示的业务对应的策略规则；或者
    所述策略控制网络功能设备接收会话管理网络功能设备发送的第二消息，所述第二消息包括免流指示信息；所述策略控制网络功能设备根据所述第二消息，向会话管理网络功能设备发送第三消息，所述第三消息指示不进行计费。
  10. 一种通信方法，其特征在于，包括：
    接入管理网络功能设备获取策略控制网络功能设备发送的区域业务信息，所述区域业 务信息包括终端设备所在区域能够使用的业务信息和/或能够使用的业务优惠信息；
    所述接入管理网络功能设备向所述终端设备发送所述区域业务信息。
  11. 如权利要求10所述的方法，其特征在于，所述接入管理网络功能设备向所述终端设备发送所述区域业务信息，包括：
    所述接入管理网络功能设备根据所述区域业务信息，确定网络标识NI，或者网络标识与时区NITZ信息；
    所述接入管理网络功能设备向所述终端设备发送所述NI或NITZ信息。
  12. 如权利要求10或11所述的方法，其特征在于，所述方法还包括：
    所述接入管理网络功能设备接收第一消息，所述第一消息为会话建立消息或会话修改消息；
    所述接入管理网络功能设备向会话管理网络功能设备发送第四消息，所述第四消息包括业务指示信息和/或免流指示信息，所述业务指示信息和/或免流指示信息用于策略控制网络功能设备进行策略决策；
    其中，所述业务指示信息用于指示终端设备在所述终端设备所在区域使用的业务信息；所述免流指示信息用于指示所述终端设备在所述终端设备所在区域使用了免费业务。
  13. 如权利要求12所述的方法，其特征在于，所述接入管理网络功能设备向会话管理网络功能设备发送第四消息之前，还包括：
    所述接入管理网络功能设备根据所述终端设备的位置信息以及所述区域业务信息，确定所述业务指示信息和/或免流指示信息。
  14. 如权利要求12或13所述的方法，其特征在于，所述第四消息为会话管理消息。
  15. 一种通信装置，其特征在于，包括：
    收发单元，用于接收区域业务信息，所述区域业务信息包括所述通信装置所在区域能够使用的业务信息和/或能够使用的业务优惠信息；
    处理单元，用于通知所述区域业务信息。
  16. 如权利要求15所述的装置，其特征在于，所述区域业务信息为网络标识NI，或者网络标识与时区NITZ信息。
  17. 如权利要求15或16所述的装置，其特征在于，所述收发单元，具体用于接收策略控制网络功能设备发送的区域业务信息。
  18. 如权利要求15-17任一项所述的装置，其特征在于，所述收发单元，还用于发送第一消息，所述第一消息包括业务指示信息和/或免流指示信息，所述业务指示信息和/或免流指示信息用于策略控制网络功能设备进行策略决策；
    其中，所述业务指示信息用于指示所述通信装置在所述通信装置所在区域使用的业务信息；所述免流指示信息用于指示所述通信装置在所述通信装置所在区域使用了免费业务。
  19. 如权利要求18所述的装置，其特征在于，所述第一消息为会话建立消息或会话修改消息。
  20. 一种通信装置，其特征在于，包括：
    处理单元，用于确定区域业务信息，所述区域业务信息包括终端设备所在区域能够使用的业务信息和/或能够使用的业务优惠信息；
    通信接口，用于发送所述区域业务信息。
  21. 如权利要求20所述的装置，其特征在于，所述区域业务信息为网络标识NI，或者网络标识时区NITZ信息。
  22. 如权利要求20或21所述的装置，其特征在于，所述处理单元，具体用于根据策略决策信息，确定区域业务信息，所述策略决策信息包括以下一个或多个信息：运营商在所述区域内提供的业务、运营商在所述区域内提供的业务优惠、所述终端设备订阅的业务列表。
  23. 如权利要求20所述的装置，其特征在于，所述收发单元，还用于接收会话管理网络功能设备发送的第二消息，所述第二消息包括业务指示信息；以及根据所述第二消息，向所述会话管理网络功能设备发送第三消息，所述第三消息指示所述业务指示信息指示的业务对应的策略规则。
  24. 如权利要求20所述的装置，其特征在于，所述收发单元，还用于接收会话管理网络功能设备发送的第二消息，所述第二消息包括免流指示信息；以及根据所述第二消息，向所述会话管理网络功能设备发送第三消息，所述第三消息指示不进行计费。
  25. 一种通信装置，其特征在于，包括收发单元和处理单元：
    所述收发单元，用于收发信息；
    所述处理单元，用于获取策略控制网络功能设备发送的区域业务信息，所述区域业务信息包括终端设备所在区域能够使用的业务信息和/或能够使用的业务优惠信息；并通过所述收发单元向所述终端设备发送所述区域业务信息。
  26. 如权利要求25所述的装置，其特征在于，所述处理单元，还用于根据所述区域业务信息，确定网络标识NI，或者网络标识与时区NITZ信息；
    所述收发单元，具体用于向所述终端设备发送所述NI或NITZ信息。
  27. 如权利要求25或26所述的装置，其特征在于，所述收发单元，还用于接收第一消息，所述第一消息为会话建立消息或会话修改消息；以及向会话管理网络功能设备发送第四消息，所述第四消息包括业务指示信息和/或免流指示信息，所述业务指示信息和/或免流指示信息用于策略控制网络功能设备进行策略决策；
    其中，所述业务指示信息用于指示终端设备在所述终端设备所在区域使用的业务信息；所述免流指示信息用于指示所述终端设备在所述终端设备所在区域使用了免费业务。
  28. 如权利要求27所述的装置，其特征在于，所述处理单元，还用于根据所述终端设备的位置信息以及所述区域业务信息，确定所述业务指示信息和/或免流指示信息。
  29. 如权利要求27或28所述的装置，其特征在于，所述第四消息为会话管理消息。
  30. 一种通信装置，其特征在于，包括用于执行如权利要求1-14中任一项所述的方法的功能和/或单元。
  31. 一种通信装置，其特征在于，包括处理器和存储器，所述处理器与所述存储器耦合；
    所述存储器存储有计算机程序或指令；
    所述处理器，用于执行所述存储器中的计算机程序或指令，以使得所述装置执行如权利要求1-14中任一项所述的方法。
  32. 一种通信装置，其特征在于，包括逻辑电路和接口电路，所述接口电路用于接收来自所述通信装置之外的其它通信装置的信号并传输至所述逻辑电路或将来自所述逻辑电路的信号发送给所述通信装置之外的其它通信装置，所述逻辑电路通过执行代码指令用于实现如权利要求1-14中任一项所述的方法。
  33. 一种计算机可读存储介质，其特征在于，包括计算机程序或指令，当所述计算机程序或指令在计算机上运行时，使得如权利要求1-14中任一项所述的方法被执行。
  34. 一种计算机程序产品，其特征在于，包括计算机程序或指令，当所述计算机程序或指令在计算机上运行时，使得如权利要求1-14中任一项所述的方法被执行。
  35. 一种通信系统，其特征在于，所述通信系统包括用于执行权利要求6-9任一项所述方法的策略控制网络功能设备和用于执行权利要求10-14任一项所述方法的接入管理网络功能设备。
  36. 一种通信系统，其特征在于，所述通信系统包括权利要求20-24任一项所述的通信装置和权利要求25-29任一项所述的通信装置。
  37. 一种通信方法，其特征在于，包括：
    策略控制网络功能设备确定区域业务信息，所述区域业务信息包括终端设备所在区域能够使用的业务信息和/或能够使用的业务优惠信息；
    所述策略控制网络功能设备向接入管理网络功能设备发送所述区域业务信息；
    所述接入管理网络功能设备向所述终端设备发送所述区域业务信息。
  38. 如权利要求37所述的方法，其特征在于，所述区域业务信息为网络标识NI，或者网络标识与时区NITZ信息。
  39. 如权利要求37或38所述的方法，其特征在于，
    所述终端设备向所述接入管理网络功能设备发送第一消息，所述第一消息包括业务指示信息和/或免流指示信息，所述业务指示信息和/或免流指示信息用于所述策略控制网络功能设备进行策略决策，所述业务指示信息用于指示所述终端设备在所述终端设备所在区域使用的业务信息；所述免流指示信息用于指示所述终端设备在所述终端设备所在区域使用了免费业务；
    所述接入管理网络功能设备向会话管理网络功能设备发送第四消息，所述第四消息包括所述业务指示信息和/或所述免流指示信息；
    所述会话管理网络功能设备向所述策略控制网络功能设备发送第二消息，所述第二消息包括所述业务指示信息和/或所述免流指示信息；
    所述策略控制网络功能设备根据所述第二消息，向所述会话管理网络功能设备发送第三消息，所述第三消息指示所述业务指示信息指示的业务对应的策略规则，或者指示不进行计费。
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