WO2022077375A1 - 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
WO2022077375A1
WO2022077375A1 PCT/CN2020/121270 CN2020121270W WO2022077375A1 WO 2022077375 A1 WO2022077375 A1 WO 2022077375A1 CN 2020121270 W CN2020121270 W CN 2020121270W WO 2022077375 A1 WO2022077375 A1 WO 2022077375A1
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WIPO (PCT)
Prior art keywords
frequency domain
information
demand
terminal device
access network
Prior art date
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PCT/CN2020/121270
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English (en)
French (fr)
Inventor
谢宗慧
单宝堃
陈磊
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2020/121270 priority Critical patent/WO2022077375A1/zh
Priority to CN202180053472.1A priority patent/CN115997444A/zh
Priority to PCT/CN2021/073398 priority patent/WO2022077796A1/zh
Publication of WO2022077375A1 publication Critical patent/WO2022077375A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer
    • H04W8/14—Mobility data transfer between corresponding nodes

Definitions

  • the present application relates to the field of wireless communication technologies, and in particular, to a communication method and apparatus.
  • a terminal device determines a carrier for receiving paging based on a random principle (eg, based on an identification of the terminal device). Since the channel quality of carriers in different frequency domains is different, if the terminal device wants to successfully receive the paging information of carriers in different frequency domains, it needs to determine the maximum number of repetitions for receiving the corresponding carrier for the carriers in different frequency domains, and based on the maximum number of repetitions Receive paging information on the corresponding carrier.
  • a random principle eg, based on an identification of the terminal device. Since the channel quality of carriers in different frequency domains is different, if the terminal device wants to successfully receive the paging information of carriers in different frequency domains, it needs to determine the maximum number of repetitions for receiving the corresponding carrier for the carriers in different frequency domains, and based on the maximum number of repetitions Receive paging information on the corresponding carrier.
  • terminal devices When terminal devices have different service characteristics, they may be in different coverage situations.
  • the terminal device 1 is used to implement terrestrial services, and since it is deployed on the ground, the coverage is good.
  • the terminal device 2 is used to implement underground services, and because it is deployed underground, the coverage is poor.
  • the maximum number of repetitions required for paging the terminal device 2 by a carrier in the same frequency domain needs to be greater than the maximum number of repetitions required for paging the terminal device 1 .
  • the manner in which the terminal equipment determines the carrier for receiving paging based on the random principle is not suitable for the service characteristics of the terminal equipment.
  • Embodiments of the present application provide a communication method and apparatus, which are used to solve the problem that the manner in which a terminal device determines frequency domain resources for receiving paging based on a random principle cannot be adapted to service characteristics of the terminal device.
  • the present application provides a communication method, and the communication method can be executed by an access network device, or a module in the access network device, such as a chip.
  • the method includes: determining first frequency domain information, where the first frequency domain information is frequency domain information corresponding to the first requirement information in a preset correspondence, and the first requirement The information is used to indicate the resource requirement when the terminal device transmits the message; the first message is sent to the terminal device on the resource corresponding to the first frequency domain information.
  • the resource corresponding to the first frequency domain information can meet the first requirement information, and the access network device and the terminal device transmit the first message on the resource corresponding to the first frequency domain information, so as to avoid the occurrence of the access network device and the terminal device.
  • the first message is used for paging the terminal device.
  • the access network device pages the terminal device on the resource corresponding to the first frequency domain information, and the first message is downlink control information (DCI) or paging message (paging message) for paging ), the resources corresponding to the first frequency domain information can meet the first demand information, and the paging downlink control information or paging messages are transmitted on the resources corresponding to the first frequency domain information, which are suitable for the service characteristics of the terminal equipment and help to improve the The success rate of the access network equipment paging the terminal equipment, and the problem of avoiding the waste of resources or the large delay when the terminal equipment receives the first message.
  • DCI downlink control information
  • paging message paging message
  • the first requirement information is requirement information from a core network device or a terminal device or a first access network device.
  • the first demand information is a first demand level from a core network device
  • the first frequency domain information is a frequency domain corresponding to the first demand level in the preset correspondence information
  • the first demand level includes one or more of a delay demand level, a coverage demand level, and a paging probability level.
  • the first requirement information based on the service characteristics of the terminal device, one or more requirements of the terminal device for delay, coverage, and paging probability are determined as the first requirement information, and the access network device and the terminal device are based on the first requirement.
  • the determined first frequency domain information can be better used for transmitting the first message, that is, the determined first frequency domain information is more suitable for service characteristics of the terminal device .
  • the first requirement information is a first requirement parameter from the terminal device
  • the first frequency domain information is that the corresponding transmission parameter in the preset correspondence relationship meets the first requirement. Frequency domain information for parameters.
  • the transmission parameters include M reference transmission parameters, the M reference transmission parameters correspond to M priorities respectively, and the N reference transmission parameters corresponding to the first frequency domain information meet the requirements of the For the first requirement parameter, the N priorities corresponding to the N reference transmission parameters are the first N priorities of the M priorities in descending order, N is less than or equal to M, and N is a positive integer.
  • the first requirement parameter includes one or more of the following parameters: maximum number of repetitions, reference signal received power, coverage enhancement level, discontinuous reception period, wake-up signal (WUS) ) enable identification, paging occasion density.
  • the service characteristics of the terminal equipment are different, and the channel quality between them and the access network equipment is different, that is, the service characteristics of the terminal equipment are substantially associated with the channel quality of the terminal equipment, and based on the channel quality of the terminal equipment, A demand parameter associated with the channel quality of the terminal device is determined, and the demand parameter is used as the first demand information.
  • the access network device and the terminal device determine the first frequency domain information based on the first demand information and the preset corresponding relationship, determine the The first frequency domain information can be better used to transmit the first message, that is, the determined first frequency domain information is more suitable for the service characteristics of the terminal device.
  • the method further includes: receiving first request information from the terminal device, where the first request information includes first indication information, and the first indication information is used to update the The first demand parameter; sending the second demand parameter to the terminal device, where the second demand parameter is the updated first demand parameter.
  • the first indication information is a second requirement parameter.
  • the terminal device may send first request information to the access network device, where the first request information instructs the access network device to update the first demand parameter, and the updated first demand parameter (second demand parameter) may be relatively accurate
  • the access network device and the terminal device determine the first frequency domain information based on the updated first demand parameter and the preset corresponding relationship, the determined first frequency domain information can be better for transmitting the first message.
  • the terminal device is in a radio resource control (radio resource control, RRC) inactive state, and the context of the terminal device is stored in the first access network device; the first requirement information is The demand information from the first access network device includes: requesting the first access network device for the context of the terminal device, where the context of the terminal device includes the first demand information; receiving information from the first access network device The context of the terminal device of an access network device.
  • RRC radio resource control
  • the terminal device is in the RRC inactive state, and if the terminal device moves to the coverage of the second access network device, the second access network device may request the first access network device to include the first requirement
  • the context of the terminal equipment of the information helps the second access network equipment to determine, based on the first requirement information, the first frequency domain information suitable for the service characteristics or channel quality of the terminal equipment.
  • the transmission parameters corresponding to the frequency domain resources in the first frequency domain information include one or more of the following parameters: maximum number of repetitions, discontinuous reception period, WUS enable identifier, and paging occasion density;
  • Sending the first message to the terminal device on the resource corresponding to the first frequency domain information includes: the access network device, on the frequency domain resource included in the first frequency domain information, using the The transmission parameter corresponding to the frequency domain resource sends the first message to the terminal device.
  • the method further includes: sending the preset correspondence to the terminal device.
  • the present application provides a communication method, and the communication method can be executed by a terminal device, or a module, such as a chip, in the terminal device.
  • the method includes: determining first frequency domain information, where the first frequency domain information is frequency domain information corresponding to the first requirement information in a preset correspondence, and the first requirement The information is used to indicate resource requirements when transmitting a message with the access network device; the terminal device receives the first message from the access network device on the resource corresponding to the first frequency domain information.
  • the first message is used for paging the terminal device.
  • the first demand information is a first demand level from a core network device
  • the first frequency domain information is a frequency domain corresponding to the first demand level in the preset correspondence information
  • the first demand level includes one or more of a delay demand level, a coverage demand level, and a paging probability level.
  • the method further includes: sending second request information to the core network device, where the second request information includes second indication information, and the second indication information is used to update the The first demand level; the terminal device receives the second demand level from the core network device, where the second demand level is the updated first demand level.
  • the second indication information is a second demand level.
  • the first demand information is a first demand parameter sent by the terminal device to the access network device, and the first frequency domain information is the corresponding transmission in the preset correspondence relationship.
  • the parameter satisfies the frequency domain information of the first requirement parameter.
  • the transmission parameters include M reference transmission parameters, the M reference transmission parameters correspond to M priorities respectively, and the N reference transmission parameters corresponding to the first frequency domain information conform to the For the first requirement parameter, the N priorities corresponding to the N reference transmission parameters are the first N priorities of the M priorities in descending order, N is less than or equal to M, and N is a positive integer.
  • the first requirement parameter includes one or more of the following parameters: maximum repetition times, reference signal received power, coverage enhancement level, discontinuous reception period, WUS enable flag, paging occasion density .
  • the method further includes: sending first request information to the access network device, where the first request information includes first indication information, and the first indication information is used to update all the first demand parameter; the terminal device receives the second demand parameter from the access network device, where the second demand parameter is the updated first demand parameter.
  • the first indication information is a second requirement parameter.
  • the transmission parameters corresponding to the frequency domain resources in the first frequency domain information include one or more of the following parameters: maximum number of repetitions, discontinuous reception period, WUS enable identifier, and paging occasion density;
  • the receiving the first message from the access network device on the resource corresponding to the first frequency domain information includes: the frequency domain resource included in the first frequency domain information using the The transmission parameter corresponding to the frequency domain resource receives the first message from the access network device.
  • the method further includes: receiving the preset correspondence from the access network device.
  • the present application provides a communication method, and the communication method can be executed by a core network device, or a module, such as a chip, in the core network device.
  • the method includes: determining first requirement information, where the first requirement information is used to indicate the resource requirement when the terminal device and the access network device transmit messages; sending a message to the access network device the first demand information.
  • the first demand information is a first demand level
  • the first demand level includes one or more of a delay demand level, a coverage demand level, and a paging probability level.
  • the determining the first demand information includes: receiving a first demand level requested by the terminal device, determining the first demand level as the first demand information, and sending the first demand level to the terminal device. receive the info.
  • the method further includes: receiving second request information from the terminal device, where the second request information includes second indication information, and the second indication information is used to update the A first demand level; sending a second demand level to the terminal device, where the second demand level is the updated first demand level.
  • the second indication information is a second demand level.
  • the first requirement information is a first requirement parameter
  • the first requirement parameter includes one or more of the following parameters: maximum number of repetitions, reference signal received power, coverage enhancement level, discontinuous Reception period, WUS enable flag, paging occasion density.
  • the context of the terminal device is stored in the first access network device
  • the context of the terminal device stores the first requirement parameter
  • the determining the first requirement information includes:
  • the first demand parameter is obtained from the first access network device.
  • an embodiment of the present application provides a communication device, the device has the function of implementing the access network device in the first aspect or any possible implementation manner of the first aspect, and the device may be an access network device , or a chip included in the access network device.
  • the apparatus may also have the function of implementing the terminal device in the second aspect or any possible implementation manner of the second aspect, and the apparatus may be a terminal device or a chip included in the terminal device.
  • the apparatus may also have the function of implementing the core network equipment in the third aspect or any possible implementation manner of the third aspect, and the apparatus may be core network equipment or a chip included in the core network equipment.
  • the functions of the above-mentioned apparatus may be implemented by hardware, or by executing corresponding software in hardware, and the hardware or software may include one or more modules or units or means corresponding to the above-mentioned functions.
  • the structure of the apparatus includes a processing unit and a communication unit, wherein the processing unit is configured to support the apparatus to perform the first aspect or the access network in any implementation manner of the first aspect
  • the communication unit is used to support communication between the device and other communication devices. For example, when the device is an access network device, it can send the first message to the terminal device on the resource corresponding to the first frequency domain information.
  • the apparatus may also include a storage unit coupled to the processing unit, which stores program instructions and data necessary for the apparatus.
  • the processing unit may be a processor
  • the communication unit may be a transceiver
  • the storage unit may be a memory
  • the memory may be integrated with the processor, or may be provided separately from the processor.
  • the structure of the apparatus includes a processor, and may also include a memory.
  • the processor is coupled to the memory and can be used to execute computer program instructions stored in the memory to cause the apparatus to perform the method in the first aspect or any possible implementation of the first aspect above, or the second aspect or the second aspect above The method in any possible implementation manner of the aspect, or the third aspect or the method in any implementation manner of the third aspect is performed.
  • the apparatus further includes a communication interface to which the processor is coupled.
  • the communication interface may be a transceiver or an input/output interface; when the device is a chip included in the access network device or a chip or core included in the terminal device When the chip included in the network device is used, the communication interface may be an input/output interface of the chip.
  • the transceiver may be a transceiver circuit, and the input/output interface may be an input/output circuit.
  • the present application provides a computer-readable storage medium, where a computer program or instruction is stored, and when the computer program or instruction is executed by a communication device, the above-mentioned first aspect or the first aspect is realized.
  • the present application provides a computer program product, the computer program product includes a computer program or an instruction, when the computer program or instruction is executed by a communication device, the above-mentioned first aspect or any possible possibility of the first aspect is realized.
  • the present application provides a chip, comprising at least one processor and an interface; the interface is configured to provide program instructions or data for the at least one processor; the at least one processor is configured to execute the program line Instructions to implement the above first aspect or the method in any possible implementation manner of the first aspect, or implement the above second aspect or the method in any possible implementation manner of the second aspect, or implement the above third aspect or the third aspect A method in any possible implementation of an aspect.
  • the present application provides a communication system, including an access network device for implementing the first aspect or any possible implementation manner of the first aspect, and an access network device for implementing the second aspect or any of the second aspect.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by the present application.
  • FIG. 2 is a schematic diagram of a communication system architecture provided by the present application.
  • FIG. 3 is a schematic diagram of allocating a BWP to a terminal device by an access network device provided by the present application
  • FIG. 4 is a schematic diagram of setting multiple carriers in an access network device provided by the present application.
  • FIG. 5 is a schematic flowchart of a first communication method exemplarily provided by the present application.
  • FIG. 6 is a schematic flowchart of a second communication method exemplarily provided by this application.
  • FIG. 7 is a schematic flowchart of paging a terminal device in an RRC idle state provided by the present application.
  • FIG. 8 is a schematic flowchart of paging a terminal device in an RRC inactive state provided by the present application
  • FIG. 9 is a schematic flowchart of a third communication method exemplarily provided by this application.
  • FIG. 10 is another schematic flowchart of paging a terminal device in an RRC idle state provided by the present application.
  • FIG. 11 is another schematic flowchart of paging a terminal device in an RRC inactive state provided by the present application.
  • FIG. 12 is a schematic structural diagram of a communication device provided by the application.
  • FIG. 13 is a schematic structural diagram of a communication device provided by the present application.
  • a terminal device also known as a terminal, is an entity on the user side that is used to receive or transmit signals, and is used to send uplink signals to network devices or receive downlink signals from network devices. Included are devices that provide voice and/or data connectivity to a user, such as may include handheld devices with wireless connectivity, or processing devices connected to a wireless modem.
  • the terminal equipment may communicate with the core network via a radio access network (RAN), and exchange voice and/or data with the RAN.
  • RAN radio access network
  • the terminal equipment may include user equipment (UE), V2X terminal equipment, wireless terminal equipment, mobile terminal equipment, device-to-device (D2D) terminal equipment, machine-to-machine/machine-type communication ( machine-to-machine/machine-type communications, M2M/MTC) terminal equipment, Internet of things (IoT) terminal equipment, subscriber unit (subscriber unit), subscriber station (subscriber station), mobile station (mobile station) , remote station (remote station), access point (access point, AP), remote terminal (remote terminal), access terminal (access terminal), user terminal (user terminal), user agent (user agent), or user equipment (user device), wearable devices, in-vehicle devices, etc.
  • IoT Internet of things
  • subscriber unit subscriber unit
  • subscriber station subscriber station
  • mobile station mobile station
  • remote station remote station
  • access point access point
  • AP remote terminal
  • remote terminal remote terminal
  • access terminal access terminal
  • user terminal user terminal
  • user agent user agent
  • user equipment user equipment
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices or smart wearable devices, etc. It is a general term for the application of wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes. Wait.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction.
  • wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones.
  • Use such as all kinds of smart bracelets, smart helmets, smart jewelry, etc. for physical sign monitoring.
  • the various terminal devices described above if they are located on the vehicle (for example, placed in the vehicle or installed in the vehicle), can be considered as on-board terminal equipment.
  • the on-board terminal equipment is also called on-board unit (OBU). ).
  • the core network which may include network equipment that processes and forwards user signaling and data.
  • it includes core network equipment such as mobility management function (access and mobility management function, AMF), session management function (session management function, SMF), and user plane gateway.
  • the user plane gateway can be a server with functions such as mobility management, routing, and forwarding of user plane data, and is generally located on the network side, such as serving gateway (serving gateway, SGW) or packet data network gateway (packet data network gateway, PGW) ) or user plane function entity (user plane function, UPF), etc.
  • serving gateway serving gateway
  • SGW packet data network gateway
  • PGW packet data network gateway
  • UPF user plane function entity
  • AMF and SMF are equivalent to mobility management entities (mobility management entities, MMEs) in the LTE system.
  • AMF is mainly responsible for access
  • SMF is mainly responsible for session management.
  • the core network may also include other network elements, which are not listed here.
  • NG-RAN next generation radio access network
  • the access network device in the NG-RAN may also be called a base station, or a RAN node, or a RAN device.
  • the access network device is an entity on the network side for transmitting and/or receiving signals, and acts as a router between the terminal and the rest of the access network, where the rest of the access network may include an IP network and the like.
  • the access network equipment can also coordinate the attribute management of the air interface.
  • the access network equipment may be an evolutional Node B (evolutional Node B, eNB or e-NodeB) in LTE
  • an eNB is a device deployed in a radio access network that meets the 4G standard and provides a wireless communication function for a terminal.
  • the access network device may also be a new radio controller (new radio controller, NR controller), a gNode B (gNB) in a 5G system, a centralized unit, a new wireless base station, or a It is a remote radio module, which can be a micro base station (also called a small cell), a relay, a distributed unit, a macro base station in various forms, a transmission and reception A transmission reception point (TRP), a transmission measurement function (TMF) or a transmission point (TP), or any other wireless access device, or a base station in next-generation communications, but the embodiments of this application do not limited to this.
  • a micro base station also called a small cell
  • TRP transmission reception point
  • TMF transmission measurement function
  • TP transmission point
  • RRC state the terminal device has three RRC states: RRC connected state (connected state), RRC idle state (idle state) and inactive state (inactive state).
  • RRC connected state (or, it can also be referred to as connected state.
  • connected state and “RRC connected state” are the same concept, and the two terms can be interchanged), which refers to the connection between a terminal device and an access network device.
  • the logical connection that exists in the RRC layer, the terminal equipment and the access network equipment save the context of the terminal equipment (UE context), in this state, the terminal equipment can perform uplink or downlink data and signaling transmission with the access network equipment.
  • RRC idle state (or, can also be referred to as idle state.
  • idle state and “RRC idle state” are the same concept, and the two terms can be interchanged), which refers to the connection between the terminal equipment and the access network equipment.
  • the terminal device There is no logical connection at the RRC layer, and the terminal device cannot perform uplink or downlink data and signaling transmission with the access network device. In this state, the terminal device can only receive paging information and system information sent by the access network device. Down paging is initiated by core network equipment.
  • RRC inactive state (or, may also be referred to simply as inactive state.
  • “deactivated state”, “deactivated state”, “inactive state”, “RRC inactive state” and “RRC deactivated state” is the same concept, these several names can be interchanged), which means that there is no logical connection of the RRC layer between the terminal equipment and the access network equipment, and the terminal equipment cannot perform uplink or downlink data and signaling transmission with the access network equipment. , but the context of the end device and core network device remains.
  • the terminal device can only receive the paging information and system information sent by the access network device.
  • the paging is initiated by the RAN.
  • Discontinuous reception is divided into idle state DRX (Idle DRX, I-DRX) and connected state DRX (Connected DRX, C-DRX).
  • idle state DRX Idle DRX, I-DRX
  • connected state DRX Connected DRX, C-DRX
  • the terminal equipment using the idle state DRX does not need to continuously monitor the paging information, which can achieve the purpose of reducing the power consumption of the terminal equipment.
  • the connected state DRX indicates that the terminal device does not need to continuously monitor and schedule the control information of the uplink/downlink data, which can achieve the purpose of reducing the power consumption of the terminal device.
  • FIG. 1 shows the architecture of a possible communication system to which the communication method provided by the embodiment of the present application is applicable, and the communication system may include a network device and a terminal.
  • the embodiments of the present application do not limit the number of network devices and terminals included in the communication system.
  • the communication system may also include other network devices, such as core network devices, wireless relay devices and wireless backhaul devices, which are not shown in FIG. 1 .
  • the network device can provide wireless access-related services for the terminal, and implement one or more of the following functions: wireless physical layer function, resource scheduling and wireless resource management, quality of service (Quality of service, QoS) management , wireless access control and mobility management functions.
  • the terminal can communicate with the network device through the air interface.
  • the terminal 1 to the terminal 6 can send the uplink information to the network device, and the network device can send the downlink information to the terminal 1 to the terminal 6 .
  • the terminal 4, the terminal 5, and the terminal 6 may also form a communication system.
  • the network device can send downlink information to the terminal 4 , the terminal 5 , and the terminal 6 .
  • the network device can also send downlink information to the terminal 4 and the terminal 6 through the terminal 5 , or the terminal 4 and the terminal 6 can also send the uplink information to the network device through the terminal 5 .
  • FIG. 2 shows the architecture of another possible communication system to which the communication method provided by the embodiment of the present application is applicable.
  • the communication system 200 includes a core network device 210, an access network device 220, and a terminal device 230.
  • the access network device 220 is connected to the core network device 210 through the S1 interface, and the access network device 220 is connected through the X2 interface for communication.
  • Each access network device 220 may be one or more terminals within the coverage area.
  • Device 230 provides services.
  • the methods provided in the embodiments of the present application may be applied to a fourth generation (4th generation, 4G) communication system, a fifth generation (5th generation, 5G) communication system, or various future communication systems. Specifically, it can be applied to the communication scenario of MTC, and can also be applied to the communication scenario of NB-IoT.
  • the 5G communication system supports the configuration of bandwidth part (BWP), and the access network equipment can flexibly adjust the bandwidth according to the service data volume of the terminal equipment to save the power consumption of the terminal equipment.
  • BWP bandwidth part
  • the access network device configures the initial partial bandwidth (initial BWP) through system messages for the initial access of the terminal device.
  • the access network device can configure multiple bandwidths for the terminal device.
  • a dedicated part of the bandwidth (dedicated BWP)
  • the access network device can activate the dedicated BWP of the terminal device through dynamic instructions.
  • the terminal device accesses the access network device through the initial BWP, enters the RRC connection state, and then the access network device configures three dedicated BWPs for the terminal device, namely the first BWP, the second BWP, 3rd BWP.
  • the access network device activates the first BWP for the terminal device.
  • the access network device activates the second BWP for the terminal device.
  • the access network device activates the third BWP for the terminal device.
  • the end device has only one active dedicated BWP.
  • the frequency point of 5G is divided into two parts: FR1 (F ⁇ 6GHz, low frequency) and FR2 (F>6GHz, high frequency, millimeter wave).
  • FR1 F ⁇ 6GHz, low frequency
  • FR2 F>6GHz, high frequency, millimeter wave
  • the bandwidth of FR1 can be 5MHz, 10MHz, 15MHz, 20MHz, 25MHz, 30MHz, 40MHz, 50MHz, 60MHz, 80MHz and 100MHz.
  • FR2 bandwidth can be 50MHz, 100MHz, 200MHz, 400MHz.
  • 5G introduces terminal equipment that reduces terminal capability, complexity, and power consumption, which can be called light terminal equipment (NR-Light terminal equipment) or reduced capability terminal equipment (Reduce Capability UE, Red-Cap UE).
  • NR-Light terminal equipment light terminal equipment
  • Reduce Capability UE Red-Cap UE
  • Such terminal devices are mainly used in IoT scenarios, and the number of terminal devices is relatively large. Its main features include reducing the bandwidth of such terminal equipment (UE Bandwidth Reduction), that is, terminal equipment communicates on a relatively small bandwidth, for example, terminal equipment that only supports 5MHz bandwidth, or only supports 5MHz and 10MHz bandwidth. equipment, or terminal equipment supporting 5MHz, 10MHz and 15MHz bandwidth, or terminal equipment supporting 5MHz, 10MHz, 15MHz and 20MHz bandwidth, etc.
  • UE Bandwidth Reduction reducing the bandwidth of such terminal equipment
  • UE Bandwidth Reduction that is, terminal equipment communicates on a relatively small bandwidth, for example, terminal equipment that only supports 5MHz bandwidth, or only supports 5MHz and 10MHz bandwidth
  • frequency domain resources may be indicated differently in different scenarios: for example, BWP in NR, narrowband (NB) in eMTC, and carrier in NB-IoT, of course, in the future There may also be other indications in the scene.
  • PDSCH physical downlink shared channel
  • NPDSCH narrowband physical downlink shared channel
  • the physical downlink control channels involved in this application such as PDCCH (physical downlink control channel, physical downlink control channel), MTC physical downlink control channel (MTC physical downlink control channel, MPDCCH), enhanced physical downlink control channel (enhanced physical downlink control channel) control channel, EPDCCH), narrowband physical downlink control channel (narrowband physical downlink control channel, NPDCCH), which are essentially the same channel, but have different names in different technologies, and can also be replaced with each other in this application.
  • PDCCH physical downlink control channel, physical downlink control channel
  • MTC physical downlink control channel MTC physical downlink control channel
  • MPDCCH MTC physical downlink control channel
  • enhanced physical downlink control channel enhanced physical downlink control channel
  • EPDCCH enhanced physical downlink control channel
  • narrowband physical downlink control channel narrowband physical downlink control channel
  • NPDCCH narrowband physical downlink control channel
  • the access network device and the terminal device can determine the frequency domain resource corresponding to the paging information based on the same preset rule, and the access network device sends the paging on the frequency domain resource , the terminal device detects paging on the frequency domain resource.
  • the access network equipment is provided with multiple carriers.
  • the multiple carriers include an anchor carrier. ) and at least one non-anchor carrier, each of which has its own weight.
  • the terminal device resides on the anchor carrier of the access network device in the RRC idle state.
  • the access network device and the terminal device can determine the paging carrier based on preset rules, and then the access network device can use the paging carrier on the paging carrier. paging, the terminal device monitors the paging on the paging carrier.
  • the paging carrier is the carrier corresponding to the smallest carrier index that satisfies the relation (1):
  • UE_ID is the terminal equipment identification related to the international mobile subscriber identity (IMSI) or the 5G globally unique temporary UE identity (5G globally unique temporary UE identity, 5G-S-TMSI). ;
  • N min(T,nB);
  • Ns is max(1,nB/T);
  • T is the DRX cycle of the terminal device
  • nB is 4T, 2T, T, T/2, T/4, T/8, T/16, T/32, T/64, T/128, T/256, T/512, T/1024;
  • Nn is the total number of paging carriers
  • W(i) is the weight of the i-th paging carrier
  • each carrier corresponds to a transmission parameter, such as the maximum number of repetitions.
  • a transmission parameter such as the maximum number of repetitions.
  • the access network device determines the paging carrier, it can send the paging carrier corresponding to the maximum number of repetitions.
  • the terminal device can receive the paging on the corresponding paging carrier with reference to the maximum number of repetitions.
  • the maximum number of repetitions may also be referred to as the number of repetitions, repetition information, etc.
  • the paging carrier is determined according to the UE_ID. Since the UE_ID is essentially a random ID, the calculation formula based on the UE_ID is essentially to randomly disperse different UEs on different paging carriers to receive paging, so the above-mentioned preset rules are essentially The above is to determine the paging carrier based on the random principle.
  • terminal equipment supporting different services it may be set in an environment with different coverage conditions, and the above-mentioned technical solution of determining the paging carrier based on the random principle may result in a mismatch between the paging carrier and the terminal equipment service.
  • the present application provides a communication method for solving the problem that the frequency domain resources determined by the access network equipment and the terminal equipment do not match the service characteristics of the terminal equipment.
  • the message transmitted between the access network device and the terminal device is referred to as the first message.
  • the frequency domain information (which may also be referred to as frequency information) corresponding to the frequency domain resources used for transmitting the first message between the access network device and the terminal device is referred to as the first frequency domain information.
  • the resource requirement for indicating the transmission of the first message between the terminal device and the access network device is referred to as first requirement information.
  • FIG. 5 is a schematic flowchart of a communication method exemplarily provided by this application, in the process:
  • Step 501 the terminal device determines first frequency domain information.
  • the terminal device determines the first frequency domain information according to the first requirement information and the preset corresponding relationship.
  • the first requirement information is used to indicate resource requirements when the terminal device and the access network device transmit messages.
  • the first requirement information is associated with the service characteristics of the terminal device, which is specifically embodied in that the first requirement information is associated with the channel state (also referred to as channel quality) between the access network device and the terminal device, such as , the terminal device is a water and electricity meter located in the basement, the channel status between the access network device and the terminal device is poor, and the first demand information indicates that the access network device needs to repeatedly send downlink signals for many times, that is, the same transmission in multiple subframes.
  • a transport block to improve coverage and ensure that downstream signals are successfully received by end devices.
  • the preset correspondence is configured in the access network device, and the preset correspondence includes a correspondence between demand information and frequency domain information, wherein the first demand information in the preset correspondence corresponds to the first frequency domain information.
  • the preset correspondence may be sent by the access network device to the terminal device.
  • the preset corresponding relationship may be carried in access stratum (access stratum, AS) signaling sent by the access network device to the terminal device, such as a system message or an RRC message.
  • Step 502 the access network device determines first frequency domain information.
  • the access network device determines the first frequency domain information according to the first requirement information and the preset corresponding relationship.
  • step 501 and step 502 The implementation manner of the access network device determining the first frequency domain information is similar to the implementation manner of the terminal device determining the first frequency domain information in the foregoing step 501, and details are not described herein again.
  • the sequence of step 501 and step 502 is not limited.
  • Step 503 The access network device sends a first message on the resource corresponding to the first frequency domain information.
  • the first frequency domain information corresponds to a first frequency domain resource and a first transmission parameter.
  • the access network device sends the first message on the first frequency domain resource according to the first transmission parameter.
  • the terminal device receives the first message according to the first transmission parameter on the first frequency domain resource.
  • the terminal equipment can be in RRC idle state or RRC inactive state.
  • the first message is used by the access network device to page the terminal device, and the first message may be paging information.
  • the first message is specifically downlink control information (downlink control information, DCI) used for paging the terminal device, and the first message is carried in the PDCCH.
  • the first message is specifically a paging message (paging message) used for paging the terminal device, the first message includes downlink data, and the first message is carried in the PDSCH.
  • the downlink control information is taken as an example, the access network device sends the downlink control information on the PDCCH corresponding to the first frequency domain resource according to the first transmission parameter.
  • the terminal device receives downlink control information according to the first transmission parameter on the PDCCH corresponding to the first frequency domain resource.
  • the access network device determines the first frequency domain information according to the first demand information and the preset corresponding relationship
  • the terminal device determines the first frequency domain information according to the first demand information and the preset corresponding relationship.
  • the first message is transmitted on the resource corresponding to the domain information, and the resource corresponding to the first frequency domain information can meet the first demand information, so as to avoid the occurrence of mismatch between the frequency domain resources determined by the access network equipment and the terminal equipment and the service characteristics of the terminal equipment. question.
  • the embodiments of the present application exemplarily provide a second communication method, in which the first demand information may be reached by consensus between the core network device and the terminal device.
  • the first demand information may be referred to as a first demand level, and the preset corresponding relationship may be referred to as a first corresponding relationship.
  • the first demand level and the first corresponding relationship will be explained separately as follows.
  • the first requirement level is used to indicate a configuration requirement of the terminal device service for the transmission parameter of the first information.
  • the first demand level may include one or more of a delay demand level, a coverage demand level, and a paging probability level.
  • the coverage requirement level may include normal coverage, deep coverage, and no coverage requirement. Among them, normally covered terminal devices such as street lamps on the ground, deeply covered terminal devices such as water and electricity meters in the basement, and unnecessary terminal devices such as wearable devices.
  • the deep coverage may further include multiple levels of deep coverage, such as including deep coverage level 1 and deep coverage level 2.
  • the delay requirement level may include delay-sensitive, delay-free (or delay-tolerable), delay-sensitive terminal devices such as smoke detectors, and delay-undemanding terminal devices such as water and electricity meters.
  • the paging probability levels may include high paging probability and low paging probability.
  • a terminal device with a high paging probability is such as a user's mobile phone
  • a terminal device with a low paging probability is such as a street lamp.
  • the first demand level is exemplified in combination with the delay demand level, the coverage demand level, and the paging probability level.
  • three fields can be preset for the first demand level, and the three fields respectively indicate the delay demand level, the coverage demand level, and the paging probability level. If a field is empty, it can indicate the demand corresponding to the field. for no need.
  • Example 1 the terminal device service corresponds to the delay requirement.
  • the delay requirement level is delay sensitive
  • the first field in the first requirement level indicates that the delay is sensitive
  • the last two fields are empty.
  • the terminal equipment service corresponds to the delay requirement and coverage requirement.
  • the delay requirement level is delay sensitive and the coverage requirement level is normal coverage
  • the first field in the first requirement level indicates that the delay is sensitive
  • the second field indicates that the delay is sensitive.
  • the third field is empty.
  • Example 3 The terminal equipment service corresponds to the delay requirement, coverage requirement and paging probability.
  • the delay requirement level is delay sensitive
  • the coverage requirement level is normal coverage
  • the paging probability is high paging probability.
  • the first field indicates delay sensitive
  • the second field indicates normal coverage
  • the third field indicates high paging probability.
  • the first field in the first requirement level can also be empty, or, if the coverage requirement level is coverage no requirement, the second field in the first requirement level can be empty. fields can also be empty.
  • both the first field and the second field in the first demand level may be empty, and the third field indicates a high paging probability .
  • the first demand level is one of a delay demand level, a coverage demand level, and a paging probability level
  • the first demand level includes a field.
  • this field uses one bit to indicate the delay requirement of the terminal equipment service: 0 indicates that the delay requirement level is delay-sensitive, and 1 indicates that the delay requirement level is delay-insensitive (or delay-tolerant). For example, if the bit is 0, the field in the first demand level indicates that the delay is sensitive. Or, exemplarily, this field uses two bits to indicate the coverage requirement level of the terminal equipment service: 00 indicates that the coverage requirement level is normal coverage (or normal coverage), 01 indicates that the coverage requirement level is deep coverage level 1, and 10 indicates coverage The requirement level is deep coverage level 2, and 11 means no coverage requirement or a reserved value. For example, if the bit is 01, the field in the first requirement level indicates a deep coverage level 1. Further, the first demand level may also indicate that the terminal device has no demand for delay, coverage, and paging probability.
  • the first demand level is two of a delay demand level, a coverage demand level, and a paging probability level, and the first demand level includes two fields.
  • the terminal equipment service corresponds to the delay requirement and the coverage requirement.
  • the delay requirement level is delay sensitive and the coverage requirement level is normal coverage
  • the two fields in the first requirement level respectively indicate delay sensitive and normal coverage.
  • the first demand level may also indicate that the terminal device has no demand for the paging probability.
  • the first requirement level may not include a field for indicating no delay requirement.
  • the first requirement level may not include a field for indicating no coverage requirement.
  • the terminal service corresponds to no demand for delay, no demand for coverage, and high paging probability
  • the first demand level may include only one field, which indicates a high paging probability.
  • the first demand level is determined through negotiation between the core network device and the terminal device.
  • the terminal device sends non-access stratum (NAS) signaling to the core network device, where the NAS signaling includes the first demand level requested by the terminal device, and the NAS signaling such as an attach request message (attach request message) ), tracking area update request message (TAU request message), etc.
  • NAS non-access stratum
  • the core network device determines to accept the first demand level, it sends acceptance information to the terminal device. If the core network device determines not to accept the first demand level, it sends rejection information to the terminal device. Further, the core network device may send the first demand level indicated by the core network device when sending the rejection information.
  • the terminal device may also directly report the first demand level to the core network device, or the core network device may directly deliver the first demand level to the terminal device.
  • the first demand level can be determined without the signaling interaction process of request and confirmation between the core network device and the terminal device.
  • the core network device and the terminal device agree to use NAS signaling such as reserved in the attach request message.
  • the bits are used to indicate the first demand level. If the reserved bits in the attach request message sent by the terminal device to the core network device are empty (that is, the first demand level is not included), the core network device determines that the terminal device is not required. terminal equipment.
  • the core network device may send the first demand level to the access network device, and the first demand level may be used as a separate message or carried in an existing message.
  • the core network device may send the first demand level to the access network device when the terminal device is in the RRC connected state, or may send the first demand level to the access network device when the terminal device is in the RRC idle state or the RRC inactive state .
  • the terminal device is in the RRC idle state, and the first demand level may be carried in the paging information sent by the core network device to the access network device.
  • the terminal device is in the RRC inactive state, and the first demand level may be carried in the RRC inactive assistance information (RRC inactive assistance information) sent by the core network device to the access network device.
  • RRC inactive assistance information RRC inactive assistance information
  • the first demand level may be sent by the terminal device to the access network device, and the first demand level may be used as a separate message, or may be carried in an existing message.
  • the terminal device is in the RRC connection state, and the first demand level can be carried in the RRC message sent by the terminal device to the access network device.
  • RRC messages such as RRC connection setup request message (RRC setup request), RRC connection setup complete message (RRC setup complete message) ), RRC connection reconfiguration complete message (RRC reconfiguration complete).
  • the access network device may store the first demand level as the context of the terminal device. If the terminal device is in the RRC inactive state, the terminal device moves from the coverage of the first access network device to the coverage of the second access network device, and the context of the terminal device is stored in the first access network device, then the first access network device stores the context of the terminal device.
  • the second access network device may also request the context of the terminal device from the first access network device, so that the second access network device determines the first frequency domain information according to the first demand level in the context of the terminal device. For specific implementation, refer to the following embodiments.
  • the first access network device may be referred to as an anchor (anchor) access network device or an anchor base station
  • the second access network device may be referred to as a non-anchor (non-anchor) access network device or a non-anchor access network device or a non-anchor access network device.
  • Anchor base station may be referred to as an anchor (anchor) access network device or an anchor base station
  • non-anchor non-anchor access network device or a non-anchor access network device or a non-anchor access network device.
  • the first correspondence indicates the correspondence between the demand level and the frequency domain information.
  • the first correspondence is a correspondence between a demand level and frequency domain information, and the frequency domain information includes frequency domain resources and transmission parameters.
  • the first corresponding relationship is shown in Table 1.
  • Frequency domain information 1 (frequency domain resource 1, transmission parameter 1)
  • Requirement Level 2 Frequency domain information 2 (frequency domain resource 2, transmission parameter 2)
  • Requirement Level 3 Frequency domain information 3 (frequency domain resource 3, transmission parameter 3)
  • Requirement Level 4 Frequency domain information 4 (frequency domain resource 4, transmission parameter 4)
  • the frequency domain information is frequency domain resources
  • the first corresponding relationship includes a corresponding relationship between a demand level, a frequency domain resource and a transmission parameter.
  • the corresponding relationship between the demand level and the frequency domain resource is shown in Table 2b, and the corresponding relationship between the frequency domain resource and the transmission parameter is shown in Table 2c.
  • Frequency Domain Resource 4 Frequency Domain Resource 4
  • the first correspondence is illustrated by taking the form of a table as an example, and the first correspondence in this application is not limited to the form of a table.
  • the frequency domain resource index may be used to indicate the frequency domain resource.
  • the frequency domain resource 1 may be indicated by the index 1
  • the frequency domain resource 2 may be indicated by the index 2.
  • there may be no frequency-domain resource index in the first correspondence but the frequency-domain resources are implicitly indicated according to the positions in the first correspondence.
  • the frequency-domain resources at the first position are frequency-domain resources.
  • Resource 1 the frequency domain resource in the second position is frequency domain resource 2.
  • the transmission parameters include one or more reference transmission parameters, such as the maximum number of repetitions, the DRX cycle, the WUS enable identifier, and the paging occasion density.
  • the maximum number of repetitions indicates the maximum number of repetitions of the paging information being transmitted. For example, if the maximum number of repetitions is 10, then the access network device sends the paging information 10 times. Correspondingly, the terminal device can receive the paging information at most 10 times. paging information.
  • the DRX cycle which can also be understood as a paging cycle, is used for a terminal device to determine a paging occasion (PO) for monitoring paging information.
  • PO paging occasion
  • the WUS enable flag indicates whether the terminal device needs to use WUS.
  • the value of the WUS enable flag is 1, indicating that the terminal device needs to use WUS, and the value of the WUS enable flag is 0, indicating that the terminal device does not need to use WUS.
  • the terminal device when the terminal device detects the WUS, the terminal device should monitor the subsequent PO.
  • the terminal device when the terminal device detects WUS, the terminal device should monitor the following POs or monitor until it receives the paging information containing the NAS identifier of the terminal device (with an earlier whichever prevails). If the end device does not detect WUS, the end device does not need to listen to the following POs.
  • the paging occasion density indicates the number of subframes in a radio frame that can be used to carry paging information.
  • the paging occasion density indicates the number of subframes in a radio frame that can be used to carry paging downlink control information. number.
  • the demand levels include normal coverage, deep coverage, no demand, and delay sensitivity.
  • Transmission parameters include the maximum number of repetitions and the DRX cycle. Exemplarily, the maximum number of repetitions is sorted from small to large as follows: the maximum number of repetitions 4, the maximum number of repetitions 3, the maximum number of repetitions 1, the maximum number of repetitions 2, and the order of the DRX cycle from small to large is: DRX cycle 4, DRX cycle 3 , DRX cycle 1, DRX cycle 2.
  • Frequency Domain Resource 1 (maximum repetitions 1 and DRX cycle 1) deep coverage Frequency Domain Resource 2 Transmission parameter 2 (maximum repetitions 2 and DRX cycle 2) no need Frequency Domain Resource 3 Transmission parameter 3 (maximum repetitions 3 and DRX cycle 3) Delay sensitive Frequency Domain Resource 4 Transmission parameter 4 (maximum repetitions 4 and DRX cycle 4)
  • the first correspondences corresponding to different cells may be the same or different, and the terminal device may receive the first correspondences of the camped cells from the access network device.
  • the terminal device resides in a certain cell, and the access network device broadcasts the first correspondence of the cell to the terminal device.
  • the terminal device requests the access network device corresponding to the target cell for the first correspondence of the cell, and the access network device sends the first correspondence of the cell to the terminal device.
  • FIG. 6 is a schematic flowchart of the second communication method provided by the present application, wherein the process is as follows.
  • Step 601 The terminal device determines first frequency domain information according to the first demand level and the first corresponding relationship.
  • the terminal device determines, according to the first correspondence, first frequency domain information corresponding to the first demand level, where the first frequency domain information includes first frequency domain resources and first transmission parameters.
  • the first demand level is demand level 1
  • the terminal device determines the first frequency domain information as frequency domain information 1 according to demand level 1 and the first correspondence.
  • the first frequency domain resource is frequency domain.
  • Resource 1 the first transmission parameter is transmission parameter 1.
  • the terminal device determines the first frequency domain resource corresponding to the first demand level according to the corresponding relationship between the demand level and the frequency domain information in the first corresponding relationship, and then the terminal device combines the first corresponding relationship The correspondence between the intermediate frequency domain resource and the transmission parameter determines the first transmission parameter corresponding to the first frequency domain resource.
  • the first demand level is demand level 1
  • the terminal device determines the first frequency domain resource as frequency domain resource 1 according to demand level 1 and the corresponding relationship between demand level and frequency domain information in the first correspondence. Then, the terminal device determines that the first transmission parameter is the transmission parameter 1 corresponding to the frequency domain resource 1 in combination with the corresponding relationship between the frequency domain resource and the transmission parameter in the first corresponding relationship.
  • one first demand level may correspond to one frequency domain information, but the embodiment of the present application does not exclude that one first demand level corresponds to multiple frequency domain information. Method to realize.
  • the first correspondence may be as shown in Table 4a, wherein the demand level may correspond to one or more frequency domain information.
  • Frequency Domain Resources transfer parameters Requirement Level 1 Frequency Domain Resource 1 transfer parameter 1 Requirement Level 1 Frequency Domain Resource 2 transfer parameter 2 Requirement Level 1 Frequency Domain Resource 3 transfer parameter 3 Requirement Level 2 Frequency Domain Resource 4 transfer parameter 4 Requirement Level 3 Frequency Domain Resources 5 transfer parameter 5 Requirement Level 3 Frequency Domain Resources 6 transfer parameter 6
  • the terminal device may determine a plurality of frequency domain resources corresponding to the first demand level from the first correspondence according to the first demand level, and the plurality of frequency domain resources may correspond to the first demand level
  • the frequency domain resources of are referred to as multiple candidate frequency domain resources, and then the terminal device determines the first frequency domain resource from the multiple candidate frequency domain resources according to the terminal device identifier.
  • the first frequency domain resource is the frequency domain resource corresponding to the smallest frequency domain resource index that satisfies relational expression (2):
  • UE_ID is the terminal equipment identification related to IMSI or 5G-S-TMSI;
  • N min(T,nB);
  • Ns is max(1,nB/T);
  • T is the DRX cycle of the terminal device
  • nB is 4T, 2T, T, T/2, T/4, T/8, T/16, T/32, T/64, T/128, T/256, T/512, T/1024;
  • Nn is the total number of paging carriers.
  • the first correspondence may be as shown in Table 4b, wherein the demand level may correspond to one or more frequency domain information, and each frequency domain information corresponds to a weight, and the weight is used to determine the first frequency domain. information.
  • the terminal device may determine a plurality of frequency domain resources corresponding to the first demand level from the first correspondence according to the first demand level, and the plurality of frequency domain resources may correspond to the first demand level
  • the frequency domain resources of are referred to as multiple candidate frequency domain resources, and then the terminal device determines the first frequency domain resource from the multiple candidate frequency domain resources according to the weight corresponding to each candidate frequency domain resource.
  • the first frequency domain resource is the frequency domain resource corresponding to the smallest frequency domain resource index that satisfies relational expression (3):
  • UE_ID is the terminal equipment identification related to IMSI or 5G-S-TMSI;
  • N min(T,nB);
  • Ns is max(1,nB/T);
  • T is the DRX cycle of the terminal device
  • nB is 4T, 2T, T, T/2, T/4, T/8, T/16, T/32, T/64, T/128, T/256, T/512, T/1024;
  • Nn is the total number of paging carriers
  • W(i) is the weight of the ith candidate frequency domain resource
  • W is the total weight of multiple candidate frequency resources.
  • the terminal device determines three candidate frequency domain resources as frequency domain resource 1 to frequency domain resource 3, respectively. Further, the terminal device determines the first frequency domain resource from the three candidate frequency domain resources based on the relational formula (3).
  • both frequency domain resource 2 and frequency domain resource 3 conform to relational expression (3), and the frequency domain resource corresponding to the smallest frequency domain resource index from frequency domain resource 2 and frequency domain resource 3 is determined as frequency domain resource 2, That is, based on the relational formula (3), the terminal device determines from the three frequency domain resources 1 to 3 that the frequency domain resource 2 is the first frequency domain resource.
  • Step 602 the access network device determines the first frequency domain information according to the first demand level and the first corresponding relationship.
  • the implementation manner of the access network device determining the first frequency domain information according to the first correspondence and the first demand level may refer to the implementation manner of determining the first frequency domain information by the terminal device in step 601, which is not repeated here. Repeat.
  • step 601 and step 602 is not limited.
  • Step 603 the access network device sends the first message on the resource corresponding to the first frequency domain information.
  • the first frequency domain information includes a first frequency domain resource and a first transmission parameter
  • the access network device sends the first message using the first transmission parameter on the first frequency domain resource.
  • the terminal device uses the first transmission parameter to receive the first message on the first frequency domain resource.
  • the first frequency domain information is a first frequency domain resource
  • the access network device sends the first message on the first frequency domain resource using a first transmission parameter corresponding to the first frequency domain resource.
  • the terminal device receives the first message on the first frequency domain resource using the first transmission parameter corresponding to the first frequency domain resource.
  • the first frequency domain resource is a frequency of 10MHz
  • the first transmission parameter includes the WUS enable identifier, the DRX cycle, and the maximum number of repetitions, where the DRX cycle is used by the terminal device to determine the PO location, and the WUS enable identifier indicates that the UE needs to use the WUS An indication of monitoring paging at the PO.
  • the terminal device monitors the paging downlink control information and receives the paging message at the subsequent PO.
  • the terminal device can receive the PDCCH carrying the paging downlink control information at most 10 times, and then receive the paging message on the indicated PDSCH.
  • the terminal device establishes an RRC connection with the access network device according to the first message.
  • the terminal device accesses the access network device according to the first message.
  • reference may be made to the description of the terminal device accessing the network in the prior art, which is not repeated here.
  • the first demand level may change.
  • the terminal device determines its corresponding first demand level change according to its own environment.
  • the terminal device is provided with an environmental sensor, and the terminal device determines that the environment in which the terminal device is located changes from an underground environment to an above-ground environment according to the sensed surrounding environment factors, and determines that the corresponding first demand level changes.
  • the terminal device determines, according to a measurement result obtained by measuring a reference signal (reference signal), that the channel state between the terminal device and the access network device has changed, thereby determining that the first demand level has changed.
  • a reference signal reference signal
  • the terminal device may send second request information to the core network device.
  • the second request information includes a new demand level (hereinafter referred to as the second demand level).
  • the core network device updates the first demand level according to the second demand level.
  • the second need level replaces the first need level.
  • the core network device or the terminal device may also send the second demand level to the access network device, so that the access network device may determine the first frequency domain information according to the second demand level and the first correspondence.
  • the present application exemplarily provides a specific implementation manner of paging a terminal device in an RRC idle state.
  • the process includes:
  • Step 701 a first demand level is negotiated between the core network device and the terminal device.
  • Step 702 The core network device sends the first demand level to the access network device.
  • Step 703 The access network device sends the first correspondence to the terminal device.
  • Step 704 the access network device determines the first frequency domain information according to the first correspondence and the first demand level.
  • Step 705 the terminal device determines the first frequency domain information according to the first correspondence and the first demand level.
  • Step 706 the access network device sends paging information on the resource corresponding to the first frequency domain information.
  • the paging information is paging downlink control information or paging message.
  • step 703 may be performed before or after step 701 or step 702, and the sequence of step 704 and step 705 is not limited.
  • the above process may further include: switching the terminal device from the RRC connected state to the RRC idle state. If the terminal device is in the RRC connected state, the access network device may send the first correspondence through an RRC release (RRC release) message. If the terminal device is in the RRC idle state, the access network device may broadcast the first correspondence to the terminal device.
  • RRC release RRC release
  • the present application exemplarily provides a specific implementation manner of paging a terminal device in an RRC inactive state.
  • the terminal device is still in the serving cell of the first access network device, and the interaction between the core network, the first access network device and the terminal device may refer to the above steps 701 to 706.
  • Step 801 a first demand level is negotiated between the core network device and the terminal device.
  • Step 802 the core network device sends the first demand level to the first access network device.
  • Step 803 the first access network device sends paging information to the second access network device.
  • the paging information includes the first demand level, and the paging information is used to instruct the second access network device to page the terminal device according to the first demand level.
  • the first demand level may be carried in the context of the terminal device sent by the first access network device to the second access network device, the second access network device requests the first access network device for the context of the terminal device, and the first access network device requests the context of the terminal device.
  • the network access device sends the first correspondence in the context of the terminal device to the second access network device.
  • Step 804 the second access network device sends the first correspondence to the terminal device.
  • the first correspondence is the first correspondence configured in the second access network device, and the first correspondences configured in different access network devices may be the same or different.
  • Step 805 the second access network device determines the first frequency domain information according to the first correspondence and the first demand level.
  • Step 806 the terminal device determines the first frequency domain information according to the first correspondence and the first demand level.
  • Step 807 the second access network device sends paging information to the terminal device.
  • the paging information is paging downlink control information or paging message.
  • step 805 and step 806 is not limited.
  • it may further include: switching the terminal device from the RRC connected state to the RRC inactive state, and if the terminal device is in the RRC inactive state, the first access network device may switch the first access network device to the RRC inactive state.
  • the first correspondence configured in the network device is broadcast to the terminal device.
  • the second access network device may also broadcast the first correspondence configured in the second access network device to the terminal device.
  • the core network device and the terminal device negotiate a first demand level, and the first demand level is associated with the service characteristics of the terminal device, or is associated with the channel state between the access network device and the terminal device, and the access
  • the network device determines the first frequency domain information based on the first demand level and the first corresponding relationship
  • the terminal device determines the first frequency domain information based on the first demand level and the first corresponding relationship, and fully considers the service characteristics of the terminal device.
  • the device and the terminal device transmit the first message on the resource corresponding to the first frequency domain information, which helps to improve the probability that the terminal device receives the first message and avoids unnecessary resource consumption and energy consumption.
  • the embodiment of the present application exemplarily provides a third communication method, in which the first demand information may be reached by consensus between the access network device and the terminal device.
  • the first requirement information may be referred to as the first requirement parameter, and the preset corresponding relationship may be referred to as the second corresponding relationship.
  • the first requirement parameter and the second corresponding relationship will be explained separately as follows.
  • the first requirement parameter is used to indicate the configuration requirement of the channel state between the terminal device and the access network device for the access network device to page the transmission parameter of the terminal device.
  • the first demand parameter includes one or more reference demand parameters, such as maximum repetition times, reference signal received power, coverage enhancement level, DRX cycle, WUS enable flag, and paging occasion density.
  • the received power of the reference signal is the average value of the signal power received on all resource elements (resource elements, REs) carrying the reference signal in one symbol (symbol), which is used to indicate the channel state of the terminal device.
  • Coverage enhancement level used to indicate the coverage enhancement requirement of paging information, for example, the coverage enhancement level of paging information is positively correlated with the coverage enhancement requirement, and the coverage enhancement requirement corresponding to coverage enhancement level 0 (CE0) , which is smaller than the coverage enhancement requirement corresponding to coverage enhancement level 3 (CE3).
  • CE0 coverage enhancement level 0
  • CE3 coverage enhancement level 3
  • Each reference demand parameter in the first demand parameter may determine the indicated demand by corresponding to a preset value or a preset interval.
  • the demand indicated by the reference demand parameter corresponding to the preset value is: the corresponding reference transmission parameter in the first transmission parameter needs to be equal to the preset value.
  • the reference requirement parameter is the WUS enable identifier
  • the WUS enable identifier corresponds to a preset value, indicating that the WUS enable identifier in the first transmission parameter needs to be the preset value.
  • the demand indicated by the reference demand parameter corresponding to the preset interval is: the reference transmission parameter corresponding to the first transmission parameter needs to be within the preset interval.
  • the reference demand parameter is the maximum number of repetitions, and the maximum number of repetitions corresponds to a preset interval, indicating that the maximum number of repetitions in the first transmission parameter needs to be within the preset interval.
  • the first demand parameter may also have other names, quantities and definitions, which are not limited in this application.
  • the first requirement parameter is determined through negotiation between the access network device and the terminal device.
  • the terminal device sends AS signaling to the access network device, where the AS signaling includes the first requirement parameter requested by the terminal device, and the AS signaling such as an RRC message. If the access network device determines to accept the first requirement parameter, it may send acceptance information to the terminal device. If the access network device determines that it does not accept the first requirement parameter, it may send rejection information to the terminal device. Further, the access network device may send the first requirement parameter indicated by the access network device when sending the rejection information. Exemplarily, the rejection information may be carried in the RRC release message, or the rejection information and the first requirement parameter indicated by the access network device may be carried in the RRC release message.
  • the terminal device may also directly report the first demand parameter to the access network device, or the access network device may directly deliver the first demand parameter to the terminal device.
  • the terminal device may carry the first demand parameter on Among the RRC messages sent to the access network device, the RRC messages include, for example, an RRC connection establishment request message, an RRC connection establishment complete message, and an RRC connection reconfiguration complete message.
  • the access network device may carry the first requirement parameter in an RRC message sent to the terminal device, such as an RRC release message. The first requirement parameter can be determined without the signaling interaction process of request and confirmation between the access network device and the terminal device.
  • the access network device can send the first demand parameter to the core network device. If the terminal device is in the RRC idle state, the access network device corresponding to the cell to which the terminal device belongs can obtain the first demand parameter from the core network device, and the cell to which the terminal device belongs corresponds to the first demand parameter. The access network device does not need to negotiate the first demand parameter with the terminal device again, which helps to avoid frequent negotiation and thus saves negotiation signaling.
  • the second correspondence indicates the correspondence between the demand parameter and the frequency domain resource.
  • the second correspondence includes a plurality of frequency domain information, wherein each frequency domain information includes frequency domain resources and transmission parameters.
  • the frequency domain information is frequency domain resources, and the second correspondence relationship includes multiple frequency domain resources and transmission parameters corresponding to each frequency domain resource.
  • the second corresponding relationship is illustrated by taking the form of a table as an example, and the second corresponding relationship in this application is not limited to the form of a table.
  • the frequency domain resource index may be used to indicate the frequency domain resource.
  • the frequency domain resource 1 may be indicated by the index 1
  • the frequency domain resource 2 may be indicated by the index 2.
  • there may be no frequency-domain resource index in the first correspondence but the frequency-domain resources are implicitly indicated according to the position in the second correspondence.
  • the frequency-domain resources at the first position are frequency-domain resources.
  • Resource 1 the frequency domain resource in the second position is frequency domain resource 2.
  • Transmission parameters include M reference transmission parameters, where M is greater than or equal to 1, and reference transmission parameters such as maximum repetition times, reference signal received power, coverage enhancement level, DRX cycle, WUS enable flag, and paging occasion density.
  • reference transmission parameters such as maximum repetition times, reference signal received power, coverage enhancement level, DRX cycle, WUS enable flag, and paging occasion density.
  • the transmission parameters include the maximum number of repetitions, the DRX cycle, and the WUS enable flag, and the second corresponding relationship is shown in Table 6.
  • Frequency Domain Resource 1 Transmission parameter 1 (maximum repetition times 1, DRX cycle 1, WUS enable flag 1)
  • Frequency Domain Resource 2 Transmission parameter 2 maximum number of repetitions 2, DRX cycle 2, WUS enable flag 2
  • Frequency Domain Resource 3 Transmission parameter 3 (maximum repetition times 3, DRX cycle 3, WUS enable flag 3)
  • Frequency Domain Resource 4 Transmission parameter 4 (maximum repetition times 4, DRX cycle 4, WUS enable flag 4)
  • the second correspondences corresponding to different cells may be the same or different, and the terminal device may receive the second correspondences of the camped cells from the access network device.
  • the terminal equipment resides in a certain cell, and the access network equipment broadcasts the second correspondence of the cell to the terminal equipment.
  • the terminal device requests the access network device corresponding to the target cell for the second correspondence of the cell, and the access network device sends the second correspondence of the cell to the terminal device.
  • FIG. 9 is a schematic flowchart of the third communication method provided by the present application, wherein the process is as follows.
  • Step 901 the terminal device determines the first frequency domain information according to the first requirement parameter and the second corresponding relationship.
  • the terminal device determines the first frequency domain information from a plurality of frequency domain information, wherein the first transmission parameter in the first frequency domain information conforms to the first requirement parameter. In another implementation manner, the terminal device determines the first frequency domain information from a plurality of frequency domain information, wherein the first transmission parameter corresponding to the first frequency domain information conforms to the first requirement parameter.
  • the first transmission parameter conforms to the first requirement parameter.
  • the N reference transmission parameters in the first transmission parameter conform to the first requirement parameter, where N is greater than or equal to 1 and less than or equal to M.
  • the reference transmission parameter in the first transmission parameter conforms to the demand indicated by the corresponding reference demand parameter in the first demand parameter.
  • the first requirement parameter includes reference requirement parameters such as the maximum number of repetitions, the DRX cycle, and the WUS enable flag, and indicates the maximum number of repetitions requirement, the DRX cycle requirement, and the WUS enable requirement, respectively.
  • the terminal device determines the first frequency domain information corresponding to the first demand parameter in the second correspondence, which may include the following examples:
  • Example 1 the terminal device determines that each reference transmission parameter meets the corresponding requirement as the first transmission parameter.
  • the terminal device determines that the maximum number of repetitions 1 in the transmission parameter 1 meets the requirement of the maximum number of repetitions, the DRX cycle 1 meets the DRX cycle requirement, and the WUS enable flag 1 meets the WUS enable requirement, then determines that the transmission parameter 1 meets the first requirement. parameter, and determine transmission parameter 1 as the first transmission parameter.
  • Example 2 The terminal device determines, according to the priorities corresponding to the reference transmission parameters, that the reference transmission parameters corresponding to the first N priorities in the priority sorting meet the corresponding requirements as the first transmission parameters.
  • the priority order of each reference transmission parameter is, from high to low, the maximum number of repetitions, the DRX cycle, and the WUS enable flag.
  • the terminal device may also, based on the priority of each reference transmission parameter, determine that the reference transmission parameter corresponding to the top N priorities in the priority sorting meets the corresponding requirements as the first transmission parameter. a transmission parameter.
  • the priority order of each reference transmission parameter is, from high to low, the maximum number of repetitions, the DRX cycle, and the WUS enable flag.
  • the terminal device uses the implementation method in the above example 1 to determine that there are no transmission parameters whose reference transmission parameters meet the corresponding requirements.
  • the terminal device may first determine whether there are transmission parameters whose reference transmission parameters corresponding to the first two priorities meet the corresponding requirements. Specifically, the terminal device determines that the maximum number of repetitions meets the requirement for the maximum number of repetitions, and the transmission parameter that the DRX cycle meets the DRX cycle requirement is used as the first transmission parameter.
  • the terminal device determines that the maximum number of repetitions 1 in the transmission parameter 1 meets the requirement for the maximum number of repetitions, and that the DRX cycle 1 meets the DRX cycle requirement, it determines that the transmission parameter 1 meets the first requirement parameter, and determines the transmission parameter 1 as the first transmission parameter .
  • the terminal device determines whether there are transmission parameters whose reference transmission parameters corresponding to the first priority meet the corresponding requirements. For example, if the terminal device determines that the maximum number of repetitions 1 in the transmission parameter 1 meets the requirement of the maximum number of repetitions, it determines that the transmission parameter 1 meets the first requirement parameter, and determines the transmission parameter 1 as the first transmission parameter.
  • the priority corresponding to each reference transmission parameter may be configured by the access network device, or may be pre-specified by a protocol.
  • the terminal device may determine multiple transmission parameters that meet the conditions. For example, in Example 1, the terminal device may determine multiple transmission parameters whose reference transmission parameters all meet the corresponding requirements, and the multiple transmission parameters that meet the conditions may be determined.
  • the frequency domain resources corresponding to the parameters are referred to as multiple candidate frequency domain resources, and the terminal device can determine the first frequency domain resource from the multiple candidate frequency domain resources based on the relational formula (2) or the relational formula (3).
  • the terminal device determines, according to the priority corresponding to each reference transmission parameter, that the reference transmission parameter corresponding to the top N priorities in the priority ordering meets the corresponding requirement as the first transmission parameter, and the priority may be pre-configured. or stipulated by the agreement, in this way, the flexibility in the determination process can be improved.
  • Step 902 the access network device determines the first frequency domain information according to the first requirement parameter and the second corresponding relationship.
  • the implementation manner of the access network device determining the first frequency domain information according to the second correspondence and the first requirement parameter may refer to the implementation manner of the terminal device determining the first frequency domain information in step 901, which is not repeated here. Repeat.
  • Step 903 the access network device sends the first message on the resource corresponding to the first frequency domain information.
  • the first frequency domain information includes a first frequency domain resource and a first transmission parameter
  • the access network device sends the first message using the first transmission parameter on the first frequency domain resource.
  • the terminal device uses the first transmission parameter to receive the first message on the first frequency domain resource.
  • the first frequency domain information is a first frequency domain resource
  • the access network device sends the first message on the first frequency domain resource using a first transmission parameter corresponding to the first frequency domain resource.
  • the terminal device receives the first message on the first frequency domain resource using the first transmission parameter corresponding to the first frequency domain resource.
  • the terminal device establishes an RRC connection with the access network device according to the first message.
  • the terminal device accesses the access network device according to the first message.
  • reference may be made to the description of the terminal device accessing the network in the prior art, which is not repeated here.
  • the first demand parameter may change.
  • the terminal device may determine the channel state of the serving cell by measuring the downlink reference signal of the serving cell, and determine whether the first demand parameter changes.
  • the reference signal may include reference signal received power (RSRP), reference signal received quality (RSRQ), signal-to-interference noise ratio (SINR), or signal-to-noise ratio ( At least one of signal noise ratio, SNR), etc.
  • RSRP reference signal received power
  • RSRQ reference signal received quality
  • SINR signal-to-interference noise ratio
  • SNR signal-to-noise ratio
  • the terminal device detects the reference signal sent by the cell to which it currently belongs, and if the detected RSRP variation is greater than a threshold, or if the detected CEL changes, the terminal device determines the current channel state corresponding to the current cell and the first demand parameter has changed.
  • the terminal device may send the first request information to the access network device.
  • the first request information includes updated demand parameters (hereinafter referred to as second demand parameters), and after receiving the first request information, the access network device updates all the required parameters according to the second demand parameters.
  • the first requirement parameter may be directly replaced by the second requirement parameter for the first requirement parameter.
  • the first request information includes first indication information for instructing to update the first demand parameter
  • the access network device updates the first demand parameter according to the first indication information
  • Obtain the second demand parameter and send the second demand parameter to the terminal device.
  • the first indication information may specifically be the change information of the demand parameter. For example, compared with the incremental information of the first demand parameter, the access network device adjusts the first demand parameter according to the incremental information to obtain the adjusted demand parameter. , which is the second demand parameter.
  • the first request information includes first indication information for instructing to update the first demand parameter, and after the access network device receives the first request information, according to the uplink between the access network device and the terminal device The channel state of the channel is determined, the second demand parameter is determined, and the second demand parameter is sent to the terminal device.
  • the second requirement parameter in the first request information of the first implementation can also be understood as the first indication information, and the first indication information is used to instruct the access network device to replace the first requirement parameter with the first requirement parameter.
  • the second demand parameter indicated by the indication information can also be understood as the first indication information, and the first indication information is used to instruct the access network device to replace the first requirement parameter with the first requirement parameter.
  • the access network device and the terminal device may determine the first frequency domain information according to the second demand parameter and the second correspondence.
  • the access network device and the terminal device transmit messages on the determined first frequency domain information.
  • the access network device may also send the second demand parameter to the core network device, so that when the core network device instructs the second access network device to page the terminal device in the idle state , the core network device may send the second requirement parameter to the second access network device.
  • the terminal device determines that the first demand parameter has changed, it may also have the following implementation methods:
  • the access network device may also set default frequency domain information in the second correspondence, and if the first demand parameter of the terminal device changes, the terminal device sends the first request information to the access network device, and the terminal device and the The access network device may determine the default frequency domain information as the first frequency domain information. If there are multiple pieces of default frequency domain information, the multiple pieces of default frequency domain information may be used as multiple candidate frequency domain information, and the first frequency domain information is determined according to the above relational formula (2) or relational formula (3).
  • the terminal device sends the first request information to the access network device, and the terminal device and the access network device can determine the first frequency according to the above relationship (1). domain information.
  • the terminal device determines that the first demand parameter has changed, the implementation manner in which the access network device and the terminal device determine the first frequency domain information based on the first demand parameter and the second corresponding relationship is no longer applicable, then It can fall back to the default frequency domain information, or fall back to the method of determining the frequency domain information in the prior art, which helps to enhance the robustness of the system.
  • the present application exemplarily provides a specific implementation manner of paging a terminal device in an RRC idle state.
  • the process includes:
  • Step 1001 the access network device sends the second correspondence to the terminal device.
  • Step 1002 the access network device and the terminal device negotiate the first demand parameter.
  • Step 1003 The core network device sends paging information to the access network device, where the paging information is used to request the access network device to page the terminal device.
  • Step 1004 the access network device determines the first frequency domain information according to the second correspondence and the first demand parameter.
  • Step 1005 the terminal device determines the first frequency domain information according to the second correspondence and the first demand parameter.
  • Step 1006 the access network device sends paging information to the terminal device.
  • the paging information is paging downlink control information or paging message.
  • step 1001 and step 1002 is not limited, and the sequence of step 1004 and step 1005 is not limited.
  • the above process may further include: switching the terminal device from the RRC connected state to the RRC idle state, and if the terminal device is in the RRC idle state, the access network device may broadcast the information to be sent to the terminal device.
  • the access network device may broadcast the second correspondence to the terminal device.
  • the access network device may broadcast the first demand parameter to the terminal device.
  • the present application exemplarily provides a specific implementation manner of paging a terminal device in an RRC inactive state.
  • the flow includes:
  • Step 1101 The first access network device sends the second correspondence to the terminal device.
  • Step 1102 Negotiate the first demand parameter between the first access network device and the terminal device.
  • Step 1103 the first access network device sends paging information to the second access network device, where the paging information is used to request the second access network device to page the terminal device, wherein the paging information includes the first demand parameter .
  • Step 1104 the second access network device determines the first frequency domain information according to the second correspondence and the first demand parameter.
  • the second correspondence is the second correspondence configured in the second access network device, and the second correspondences configured in different access network devices may be the same or different.
  • Step 1105 the terminal device determines the first frequency domain information according to the second correspondence and the first demand parameter.
  • Step 1106 the second access network device sends paging information to the terminal device.
  • step 1101 and step 1102 is not limited, and the sequence of step 1104 and step 1105 is not limited.
  • the above process may further include: switching the terminal device from the RRC connected state to the RRC inactive state, and if the terminal device is in the RRC inactive state, the first access network device may broadcast to the terminal device the first access network device configured in the first access network device.
  • the second correspondence or the first demand parameter may also broadcast the second correspondence or the first requirement parameter configured in the second access network device to the terminal device.
  • the terminal device can negotiate the first demand parameter with the second access network device, and then when the terminal device is in the RRC idle state or the RRC inactive state, the second access network
  • the device and the terminal device may determine the first frequency domain information based on the second correspondence configured in the second access network device and the negotiated first demand parameter.
  • the access network device and the terminal device negotiate the first demand parameter, the first demand parameter is associated with the channel state between the access network device and the terminal device, and the access network device is based on the first demand parameter and the second demand parameter.
  • the corresponding relationship determines the first frequency domain information
  • the terminal device determines the first frequency domain information based on the first demand parameter and the second corresponding relationship, fully considering the channel state between the access network device and the terminal device, and the access network device and the terminal device.
  • the device transmits the first message on the resource corresponding to the first frequency domain information, which is suitable for the service characteristics of the terminal device, helps to improve the success rate of the access network device paging the terminal device, and avoids the waste of resources or the terminal device receiving the call. The problem of large delay when calling a message.
  • the methods and operations implemented by the terminal device may also be implemented by a component (such as a chip or circuit) that can be used in the terminal device, and the network device (access network device or core network device). ), the methods and operations can also be implemented by components (eg, chips or circuits) that can be used in network equipment.
  • a component such as a chip or circuit
  • the network device access network device or core network device.
  • the methods and operations can also be implemented by components (eg, chips or circuits) that can be used in network equipment.
  • the methods provided by the embodiments of the present application are respectively introduced from the perspective of interaction between various devices.
  • the terminal device and the network device may include hardware structures and/or software modules, and the above functions are implemented in the form of hardware structures, software modules, or hardware structures plus software modules. . Whether one of the above functions is performed in the form of a hardware structure, a software module, or a hardware structure plus a software module depends on the specific application and design constraints of the technical solution.
  • each functional module in each embodiment of the present application may be integrated into one processor, or may exist physically alone, or two or more modules may be integrated into one module.
  • the above-mentioned integrated modules can be implemented in the form of hardware, and can also be implemented in the form of software function modules.
  • FIG. 12 and FIG. 13 are schematic structural diagrams of possible communication devices provided by the present application. These communication apparatuses can be used to implement the functions of the terminal equipment or the access network equipment in the above method embodiments, and thus can also achieve the beneficial effects of the above method embodiments.
  • the communication device 1200 includes: a processing unit 1201, configured to determine first frequency domain information, where the first frequency domain information is the frequency corresponding to the first demand information in the preset correspondence relationship. domain information, the first demand information is used to indicate the resource demand when the communication unit 1202 and the terminal device transmit messages; the communication unit 1202 is used to send the terminal device on the resource corresponding to the first frequency domain information Send the first message.
  • a processing unit 1201 configured to determine first frequency domain information, where the first frequency domain information is the frequency corresponding to the first demand information in the preset correspondence relationship. domain information, the first demand information is used to indicate the resource demand when the communication unit 1202 and the terminal device transmit messages; the communication unit 1202 is used to send the terminal device on the resource corresponding to the first frequency domain information Send the first message.
  • the first message is used for paging the terminal device.
  • the first requirement information is requirement information from a core network device or a terminal device or a first access network device.
  • the first demand information is a first demand level from a core network device
  • the first frequency domain information is a frequency domain corresponding to the first demand level in the preset correspondence information
  • the first demand level includes one or more of a delay demand level, a coverage demand level, and a paging probability level.
  • the first requirement information is a first requirement parameter from the terminal device
  • the first frequency domain information is that the corresponding transmission parameter in the preset correspondence relationship meets the first requirement. Frequency domain information for parameters.
  • the transmission parameters include M reference transmission parameters, the M reference transmission parameters correspond to M priorities respectively, and the N reference transmission parameters corresponding to the first frequency domain information meet the requirements of the For the first requirement parameter, the N priorities corresponding to the N reference transmission parameters are the first N priorities of the M priorities in descending order, N is less than or equal to M, and N is a positive integer.
  • the first requirement parameter includes one or more of the following parameters: maximum repetition times, reference signal received power, coverage enhancement level, discontinuous reception period, WUS enable flag, paging occasion density .
  • the communication unit 1202 is further configured to receive first request information from the terminal device, where the first request information includes first indication information, and the first indication information is used to indicate updating the first requirement parameter; the communication unit 1202 is further configured to send a second requirement parameter to the terminal device, where the second requirement parameter is the updated first requirement parameter.
  • the first indication information is a second requirement parameter.
  • the terminal device is in an RRC inactive state, and the context of the terminal device is stored in the first access network device; the communication unit 1202 is further configured to report to the first access network
  • the device requests the context of the terminal device, the context of the terminal device includes the first requirement information; and receives the context of the terminal device from the first access network device.
  • the transmission parameters corresponding to the frequency domain resources in the first frequency domain information include one or more of the following parameters: maximum number of repetitions, discontinuous reception period, WUS enable identifier, and paging occasion density;
  • the communication unit 1202 is specifically configured to send the first message to the terminal device using the transmission parameter corresponding to the frequency domain resource on the frequency domain resource included in the first frequency domain information.
  • the communication unit 1202 is further configured to send the preset correspondence to the terminal device.
  • the communication device 1200 includes: a processing unit 1201, configured to determine first frequency domain information, where the first frequency domain information is the frequency corresponding to the first demand information in the preset correspondence relationship. domain information, the first demand information is used to indicate the resource demand when the communication unit 1202 and the access network device transmit messages; the communication unit 1202 is used to receive information from the The first message of the access network device.
  • the first message is used for paging the communication device.
  • the first demand information is a first demand level from a core network device
  • the first frequency domain information is a frequency domain corresponding to the first demand level in the preset correspondence information
  • the first demand level includes one or more of a delay demand level, a coverage demand level, and a paging probability level.
  • the communication unit 1202 is further configured to send second request information to the core network device, where the second request information includes second indication information, and the second indication information is used to update the first demand level; the communication unit 1202 is further configured to receive a second demand level from the core network device, where the second demand level is the updated first demand level.
  • the second indication information is a second demand level.
  • the first demand information is the first demand parameter sent by the communication unit 1202 to the access network device, and the first frequency domain information is the corresponding information in the preset corresponding relationship.
  • the transmission parameter satisfies the frequency domain information of the first requirement parameter.
  • the transmission parameters include M reference transmission parameters, the M reference transmission parameters correspond to M priorities respectively, and the N reference transmission parameters corresponding to the first frequency domain information conform to the For the first requirement parameter, the N priorities corresponding to the N reference transmission parameters are the first N priorities of the M priorities in descending order, N is less than or equal to M, and N is a positive integer.
  • the first requirement parameter includes one or more of the following parameters: maximum repetition times, reference signal received power, coverage enhancement level, discontinuous reception period, WUS enable flag, paging occasion density .
  • the communication unit 1202 is further configured to send first request information to the access network device, where the first request information includes first indication information, and the first indication information is used for updating the first requirement parameter; the communication unit 1202 is further configured to receive a second requirement parameter from the access network device, where the second requirement parameter is the updated first requirement parameter.
  • the first indication information is a second requirement parameter.
  • the transmission parameters corresponding to the frequency domain resources in the first frequency domain information include one or more of the following parameters: maximum number of repetitions, discontinuous reception period, WUS enable identifier, and paging occasion density;
  • the communication unit 1202 is specifically configured to, on the frequency domain resource included in the first frequency domain information, use the transmission parameter corresponding to the frequency domain resource to receive the first message from the access network device.
  • the communication unit 1202 is further configured to receive the preset correspondence from the access network device.
  • the communication apparatus 1200 includes: a processing unit 1201, configured to determine first requirement information, where the first requirement information is used to indicate resource requirements when the terminal device and the access network device transmit messages;
  • the communication unit 1202 is configured to send the first requirement information to the access network device.
  • the first demand information is a first demand level
  • the first demand level includes one or more of a delay demand level, a coverage demand level, and a paging probability level.
  • the processing unit 1201 is specifically configured to control the communication unit 1202 to receive the first demand level requested by the terminal device, determine the first demand level as the first demand information, and control the The communication unit 1202 sends acceptance information to the terminal device.
  • the processing unit 1201 is specifically configured to control the communication unit 1202 to receive second request information from the terminal device, where the second request information includes second indication information, and the first The second indication information is used for updating the first demand level; and controlling the communication unit 1202 to send a second demand level to the terminal device, where the second demand level is the updated first demand level.
  • the second indication information is a second demand level.
  • the first requirement information is a first requirement parameter
  • the first requirement parameter includes one or more of the following parameters: maximum number of repetitions, reference signal received power, coverage enhancement level, discontinuous Reception period, WUS enable flag, paging occasion density.
  • the context of the terminal device is stored in the first access network device
  • the context of the terminal device stores the first requirement parameter
  • the access network device is the second access network device
  • the processing unit 1201 is specifically configured to control the communication unit 1202 to acquire the first demand parameter from the first access network device.
  • FIG. 13 shows an apparatus 1300 provided in this embodiment of the present application.
  • the apparatus shown in FIG. 13 may be a hardware circuit implementation of the apparatus shown in FIG. 12 .
  • the communication apparatus may be applied to the flowcharts shown in FIG. 5 to FIG. 11 to execute the functions of the terminal device or the access network device or the core network device in the foregoing method embodiments.
  • FIG. 13 only shows the main components of the communication device.
  • the apparatus 1300 shown in FIG. 13 includes at least one processor 1320, which is configured to implement any one of the methods in FIGS. 5 to 11 provided in the embodiments of the present application.
  • the apparatus 1300 may also include at least one memory 1330 for storing program instructions and/or data.
  • Memory 1330 and processor 1320 are coupled.
  • the coupling in the embodiments of the present application is an indirect coupling or communication connection between devices, units or modules, which may be in electrical, mechanical or other forms, and is used for information exchange between devices, units or modules.
  • Processor 1320 may cooperate with memory 1330.
  • Processor 1320 may execute program instructions stored in memory 1330 . At least one of the at least one memory may be included in the processor.
  • each step of the above-mentioned method can be completed by a hardware integrated logic circuit in a processor or an instruction in the form of software.
  • the steps of the methods disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware processor, or executed by a combination of hardware and software modules in the processor.
  • the software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware. To avoid repetition, detailed description is omitted here.
  • the processor in this embodiment of the present application may be an integrated circuit chip, which has a signal processing capability.
  • each step of the above method embodiments may be completed by a hardware integrated logic circuit in a processor or an instruction in the form of software.
  • the above-mentioned processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), or other programmable chips. Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • Programming logic devices discrete gate or transistor logic devices, discrete hardware components.
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the methods disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers and other storage media mature in the art.
  • the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
  • the memory in this embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically programmable Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • Volatile memory may be random access memory (RAM), which acts as an external cache.
  • RAM random access memory
  • DRAM dynamic random access memory
  • SDRAM synchronous DRAM
  • SDRAM double data rate synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronous link dynamic random access memory
  • direct rambus RAM direct rambus RAM
  • the apparatus 1300 may also include a communication interface 1310 for communicating with other devices through a transmission medium, so that the apparatus used in the apparatus 1300 may communicate with other devices.
  • the communication interface may be a transceiver, a circuit, a bus, a module, or other types of communication interfaces.
  • the transceiver when the communication interface is a transceiver, the transceiver may include an independent receiver and an independent transmitter; it may also be a transceiver integrating a transceiver function, or an interface circuit.
  • the apparatus 1300 may also include a communication line 1340 .
  • the communication interface 1310, the processor 1320 and the memory 1330 can be connected to each other through a communication line 1340; the communication line 1340 can be a peripheral component interconnect (PCI for short) bus or an extended industry standard architecture (extended industry standard architecture). , referred to as EISA) bus and so on.
  • the communication line 1340 can be divided into an address bus, a data bus, a control bus, and the like. For ease of presentation, only one thick line is used in FIG. 13, but it does not mean that there is only one bus or one type of bus.
  • the present application provides a communication device including a processor and a communication interface for receiving signals from other communication devices other than the communication device and transmitting to the processor or a communication interface.
  • Send the signal from the processor to other communication devices other than the communication device, and the processor is used to implement the terminal device of the method embodiment shown in FIG. 5 to FIG. 11 through a logic circuit or executing code instructions , or the functions of the access network equipment in the method embodiments shown in FIG. 5 to FIG. 11 , or the functions of the core network equipment in the method embodiments shown in FIG. 5 to FIG. 11 .
  • the present application provides a computer-readable storage medium, in which a computer program or instruction is stored, and when the computer program or instruction is executed by a communication device, the above-mentioned FIG. 5 is realized.
  • a computer program or instruction stored in a computer-readable storage medium, in which a computer program or instruction is stored, and when the computer program or instruction is executed by a communication device, the above-mentioned FIG. 5 is realized.
  • the terminal device in the method embodiment shown in FIG. 11 or the function of the access network device in the method embodiment shown in FIG. 5 to FIG. 11 , or the core network of the method embodiment shown in FIG. 5 to FIG. 11 function of the device.
  • the present application provides a computer program product, the computer program product includes a computer program or an instruction, when the computer program or instruction is executed by a communication device, the above-mentioned FIG. 5 to FIG. 11 are implemented.
  • the present application provides a chip including at least one processor and an interface; the interface is used to provide program instructions or data for the at least one processor; the at least one processor is used to execute all
  • the program line instructions implement the functions of the terminal equipment in the method embodiments shown in FIG. 5 to FIG. 11 , or the functions of the access network equipment in the method embodiments shown in FIG. 5 to FIG.
  • the present application provides a communication system, including the terminal equipment in the method embodiments shown in FIGS. 5 to 11 , the access network in the method embodiments shown in FIGS. 5 to 11 . device, and the core network device of the method embodiments shown in FIG. 5 to FIG. 11 .
  • the embodiments of the present application may be provided as a method, a system, or a computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, etc.) having computer-usable program code embodied therein.
  • These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory result in an article of manufacture comprising instruction means, the instructions
  • the apparatus implements the functions specified in the flow or flow of the flowcharts and/or the block or blocks of the block diagrams.

Abstract

一种通信方法及装置，其中方法包括：接入网设备确定第一频域信息，终端设备确定第一频域信息，接入网设备在第一频域信息对应的资源上向终端设备发送第一消息，终端设备在第一频域信息对应的资源上接收来自接入网设备第一消息，其中第一频域信息是预设对应关系中与第一需求信息相对应的频域信息，第一需求信息用于指示终端设备与接入网设备传输消息时的资源需求。通过该技术方案，有助于解决终端设备基于随机原则确定接收寻呼的载波的方式，不能适用于终端设备的业务特征的问题。

Description

一种通信方法及装置 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
现有窄带物联网(narrow band-internet of things，NB-IoT)系统中，终端设备基于随机原则(比如基于终端设备的标识)确定接收寻呼的载波。由于不同频域的载波的信道质量不同，终端设备若想要成功接收不同频域的载波的寻呼信息，则需要针对不同频域的载波确定接收对应载波的最大重复次数，并基于最大重复次数接收对应载波上的寻呼信息。
终端设备具有不同业务特征时，可能处于不同的覆盖情况下。示例性的，终端设备1用于实现地面业务，由于部署在地面，所以覆盖情况较好。终端设备2用于实现地下业务，由于部署在地下，所以覆盖情况较差。相同频域的载波寻呼终端设备2所需的最大重复次数需要大于寻呼终端设备1所需的最大重复次数。现有技术中，终端设备基于随机原则确定接收寻呼的载波的方式，并不能适用于终端设备的业务特征。
发明内容
本申请实施例提供一种通信方法及装置，用于解决终端设备基于随机原则确定接收寻呼的频域资源的方式，并不能适用于终端设备的业务特征的问题。
第一方面，本申请提供一种通信方法，该通信方法可以由接入网设备，或接入网设备中的模块，例如芯片执行。
一种可能的实现方式中，所述方法包括：确定第一频域信息，所述第一频域信息是预设对应关系中与第一需求信息相对应的频域信息，所述第一需求信息用于指示与终端设备传输消息时的资源需求；在所述第一频域信息对应的资源上向所述终端设备发送第一消息。该实现方式中，该第一频域信息对应的资源可以满足第一需求信息，接入网设备和终端设备在第一频域信息对应的资源上传输第一消息，避免出现接入网设备和终端设备确定出的频域资源与终端设备业务特征不匹配的问题。
一种可能的实现方式中，所述第一消息用于寻呼所述终端设备。该实现方式中，接入网设备在第一频域信息对应的资源上寻呼终端设备，第一消息为用于寻呼的下行控制信息(downlink control information，DCI)或寻呼消息(paging message)，第一频域信息对应的资源可以满足第一需求信息，在第一频域信息对应的资源上传输寻呼下行控制信息或寻呼消息，适用于终端设备的业务特征，有助于提高接入网设备寻呼终端设备的成功率，以及避免出现资源浪费或者终端设备接收第一消息时时延较大的问题。
一种可能的实现方式中，所述第一需求信息是来自核心网设备或终端设备或第一接入网设备的需求信息。
一种可能的实现方式中，所述第一需求信息是来自核心网设备的第一需求等级，所述第一频域信息是所述预设对应关系中与第一需求等级相对应的频域信息。
一种可能的实现方式中，所述第一需求等级包括时延需求等级、覆盖需求等级、寻呼概率等级中一个或多个。该实现方式中，基于终端设备的业务特征，将终端设备对时延、 覆盖、寻呼概率中一项或多项的需求确定为第一需求信息，接入网设备和终端设备基于第一需求信息和预设对应关系确定第一频域信息时，确定出的第一频域信息能更好用于传输第一消息，也即确定出的第一频域信息更适用于终端设备的业务特征。
一种可能的实现方式中，所述第一需求信息是来自所述终端设备的第一需求参数，所述第一频域信息是所述预设对应关系中对应传输参数满足所述第一需求参数的频域信息。
一种可能的实现方式中，所述传输参数包括M个参考传输参数，所述M个参考传输参数分别对应M个优先级，所述第一频域信息对应的N个参考传输参数满足所述第一需求参数，所述N个参考传输参数分别对应的N个优先级为所述M个优先级从高到低依次排序的前N个，N小于或等于M，且N为正整数。
一种可能的实现方式中，所述第一需求参数包括如下参数中一个或多个：最大重复次数、参考信号接收功率、覆盖增强等级、非连续接收周期、唤醒信号(wake-up signal，WUS)使能标识、寻呼时机密度。该实现方式中，终端设备的业务特征不同，其与接入网设备之间的信道质量不同，也即终端设备的业务特征实质上与终端设备的信道质量相关联，基于终端设备的信道质量，确定出与终端设备的信道质量相关联的需求参数，该需求参数作为第一需求信息，接入网设备和终端设备基于第一需求信息和预设对应关系确定第一频域信息时，确定出的第一频域信息能更好用于传输第一消息，也即确定出的第一频域信息更适用于终端设备的业务特征。
一种可能的实现方式中，所述方法还包括：接收来自所述终端设备的第一请求信息，所述第一请求信息中包括第一指示信息，所述第一指示信息用于更新所述第一需求参数；向所述终端设备发送第二需求参数，所述第二需求参数为更新后的第一需求参数。可选的，所述第一指示信息为第二需求参数。该实现方式中，终端设备可以向接入网设备发送第一请求信息，第一请求信息指示接入网设备更新第一需求参数，该更新的第一需求参数(第二需求参数)可以较为准确的表征终端设备的业务特征或信道质量，在接入网设备和终端设备基于更新的第一需求参数和预设对应关系确定第一频域信息时，确定出的第一频域信息能更好用于传输第一消息。
一种可能的实现方式中，所述终端设备处于无线资源控制(radio resource control，RRC)非激活态，所述终端设备的上下文存储于第一接入网设备中；所述第一需求信息是来自第一接入网设备的需求信息，包括：向所述第一接入网设备请求所述终端设备的上下文，所述终端设备的上下文中包括所述第一需求信息；接收来自所述第一接入网设备的所述终端设备的上下文。该实现方式中，终端设备处于RRC非激活态，终端设备若移动至第二接入网设备的覆盖范围内，则第二接入网设备可以向第一接入网设备请求包含有第一需求信息的终端设备的上下文，有助于第二接入网设备基于第一需求信息确定出适用于终端设备的业务特征或信道质量的第一频域信息。
一种可能的实现方式中，所述第一频域信息中频域资源对应的传输参数包括如下参数中一个或多个：最大重复次数、非连续接收周期、WUS使能标识、寻呼时机密度；在所述第一频域信息对应的资源上向所述终端设备发送第一消息，包括：所述接入网设备在所述第一频域信息包括的所述频域资源上，使用所述频域资源对应的传输参数向所述终端设备发送所述第一消息。
一种可能的实现方式中，所述方法还包括：向所述终端设备发送所述预设对应关系。
第二方面，本申请提供一种通信方法，该通信方法可以由终端设备，或终端设备中的模块，例如芯片执行。
一种可能的实现方式中，所述方法包括：确定第一频域信息，所述第一频域信息是预设对应关系中与第一需求信息相对应的频域信息，所述第一需求信息用于指示与接入网设备传输消息时的资源需求；所述终端设备在所述第一频域信息对应的资源上接收来自所述接入网设备的第一消息。
一种可能的实现方式中，所述第一消息用于寻呼所述终端设备。
一种可能的实现方式中，所述第一需求信息是来自核心网设备的第一需求等级，所述第一频域信息是所述预设对应关系中与第一需求等级相对应的频域信息。
一种可能的实现方式中，所述第一需求等级包括时延需求等级、覆盖需求等级、寻呼概率等级中一个或多个。
一种可能的实现方式中，所述方法还包括：向所述核心网设备发送第二请求信息，所述第二请求信息中包括第二指示信息，所述第二指示信息用于更新所述第一需求等级；所述终端设备接收来自所述核心网设备的第二需求等级，所述第二需求等级为更新后的第一需求等级。可选的，所述第二指示信息为第二需求等级。
一种可能的实现方式中，所述第一需求信息是所述终端设备向所述接入网设备发送的第一需求参数，所述第一频域信息是所述预设对应关系中对应传输参数满足所述第一需求参数的频域信息。
一种可能的实现方式中，所述传输参数包括M个参考传输参数，所述M个参考传输参数分别对应M个优先级，所述第一频域信息对应的N个参考传输参数符合所述第一需求参数，所述N个参考传输参数分别对应的N个优先级为所述M个优先级从高到低依次排序的前N个，N小于或等于M，且N为正整数。
一种可能的实现方式中，所述第一需求参数包括如下参数中一个或多个：最大重复次数、参考信号接收功率、覆盖增强等级、非连续接收周期、WUS使能标识、寻呼时机密度。
一种可能的实现方式中，所述方法还包括：向所述接入网设备发送第一请求信息，所述第一请求信息中包括第一指示信息，所述第一指示信息用于更新所述第一需求参数；所述终端设备接收来自所述接入网设备的第二需求参数，所述第二需求参数为更新后的第一需求参数。可选的，所述第一指示信息为第二需求参数。
一种可能的实现方式中，所述第一频域信息中频域资源对应的传输参数包括如下参数中一个或多个：最大重复次数、非连续接收周期、WUS使能标识、寻呼时机密度；所述在所述第一频域信息对应的资源上接收来自所述接入网设备的第一消息，包括：所述在所述第一频域信息包括的所述频域资源上，使用所述频域资源对应的传输参数接收来自所述接入网设备的所述第一消息。
一种可能的实现方式中，所述方法还包括：接收来自所述接入网设备的所述预设对应关系。
第三方面，本申请提供一种通信方法，该通信方法可以由核心网设备，或核心网设备中的模块，例如芯片执行。
一种可能的实现方式中，所述方法包括：确定第一需求信息，所述第一需求信息用于指示终端设备与接入网设备传输消息时的资源需求；向所述接入网设备发送所述第一需求 信息。
一种可能的实现方式中，所述第一需求信息为第一需求等级，所述第一需求等级包括时延需求等级、覆盖需求等级、寻呼概率等级中一个或多个。
一种可能的实现方式中，所述确定第一需求信息，包括：接收所述终端设备请求的第一需求等级，将所述第一需求等级确定为第一需求信息，向所述终端设备发送接受信息。
一种可能的实现方式中，所述方法还包括：接收来自所述终端设备的第二请求信息，所述第二请求信息中包括第二指示信息，所述第二指示信息用于更新所述第一需求等级；向所述终端设备发送第二需求等级，所述第二需求等级为更新后的第一需求等级。可选的，所述第二指示信息为第二需求等级。
一种可能的实现方式中，所述第一需求信息为第一需求参数，所述第一需求参数包括如下参数中一个或多个：最大重复次数、参考信号接收功率、覆盖增强等级、非连续接收周期、WUS使能标识、寻呼时机密度。
一种可能的实现方式中，所述终端设备的上下文存储于第一接入网设备中，所述终端设备的上下文中存储有第一需求参数，所述确定第一需求信息，包括：从所述第一接入网设备中获取所述第一需求参数。
第四方面，本申请实施例提供一种通信装置，该装置具有实现上述第一方面或第一方面的任一种可能的实现方式中接入网设备的功能，该装置可以为接入网设备，也可以为接入网设备中包括的芯片。
该装置也可以具有实现上述第二方面或第二方面的任一种可能的实现方式中终端设备的功能，该装置可以为终端设备，也可以为终端设备中包括的芯片。
该装置也可以具有实现上述第三方面或第三方面的任一种可能的实现方式中核心网设备的功能，该装置可以为核心网设备，也可以为核心网设备中包括的芯片。
上述装置的功能可以通过硬件实现，也可以通过硬件执行相应的软件实现，所述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或手段(means)。
在一种可能的实现方式中，该装置的结构中包括处理单元和通信单元，其中，处理单元被配置为支持该装置执行上述第一方面或第一方面的任一种实现方式中接入网设备相应的功能，或者执行上述第二方面或第二方面的任一种实现方式中终端设备相应的功能，或者执行上述第三方面或第三方面的任一种实现方式中核心网设备相应的功能。通信单元用于支持该装置与其他通信设备之间的通信，例如该装置为接入网设备时，可在第一频域信息对应的资源上向终端设备发送第一消息。该装置还可以包括存储单元，存储单元与处理单元耦合，其保存有装置必要的程序指令和数据。作为一种示例，处理单元可以为处理器，通信单元可以为收发器，存储单元可以为存储器，存储器可以和处理器集成在一起，也可以和处理器分离设置。
在另一种可能的实现方式中，该装置的结构中包括处理器，还可以包括存储器。处理器与存储器耦合，可用于执行存储器中存储的计算机程序指令，以使装置执行上述第一方面或第一方面的任一种可能的实现方式中的方法，或者执行上述第二方面或第二方面的任一种可能的实现方式中的方法，或者执行上述第三方面或第三方面的任一种实现方式中的方法。可选地，该装置还包括通信接口，处理器与通信接口耦合。当装置为接入网设备或终端设备或核心网设备时，该通信接口可以是收发器或输入/输出接口；当该装置为接入网 设备中包含的芯片或终端设备中包含的芯片或核心网设备中包含的芯片时，该通信接口可以是芯片的输入/输出接口。可选地，收发器可以为收发电路，输入/输出接口可以是输入/输出电路。
第五方面，本申请提供一种计算机可读存储介质，所述计算机可读存储介质中存储有计算机程序或指令，当所述计算机程序或指令被通信装置执行时，实现上述第一方面或第一方面的任意可能的实现方式中的方法、或者实现上述第二方面或第二方面的任意可能的实现方式中的方法、或者实现上述第三方面或第三方面的任意可能的实现方式中的方法。
第六方面，本申请提供一种计算机程序产品，所述计算机程序产品包括计算机程序或指令，当所述计算机程序或指令被通信装置执行时，实现上述第一方面或第一方面的任意可能的实现方式中的方法、或者实现上述第二方面或第二方面的任意可能的实现方式中的方法、或者实现上述第三方面或第三方面的任意可能的实现方式中的方法。
第七方面，本申请提供一种芯片，包括至少一个处理器和接口；所述接口，用于为所述至少一个处理器提供程序指令或者数据；所述至少一个处理器用于执行所述程序行指令，实现上述第一方面或第一方面的任意可能的实现方式中的方法、或者实现上述第二方面或第二方面的任意可能的实现方式中的方法、或者实现上述第三方面或第三方面的任意可能的实现方式中的方法。
第八方面，本申请提供一种通信系统，包括用于执行上述第一方面或第一方面的任意可能的实现方式的接入网设备，以及用于执行上述第二方面或第二方面的任意可能的实现方式的终端设备，以及用于执行上述第三方面或第三方面的任意可能的实现方式的核心网设备。
上述第二方面至第八方面中任一方面可以达到的技术效果可以参照上述第一方面中有益效果的描述，此处不再重复赘述。
附图说明
图1为本申请提供的一种通信系统架构示意图；
图2为本申请提供的一种通信系统架构示意图；
图3为本申请提供的一种接入网设备为终端设备分配BWP的示意图；
图4为本申请提供的一种接入网设备设置多个载波的示意图；
图5为本申请示例性提供的第一种通信方法的流程示意图；
图6为本申请示例性提供的第二种通信方法的流程示意图；
图7为本申请示例性提供的一种寻呼处于RRC空闲态的终端设备的流程示意图；
图8为本申请示例性提供的一种寻呼处于RRC非激活态的终端设备的流程示意图；
图9为本申请示例性提供的第三种通信方法的流程示意图；
图10为本申请示例性提供的另一种寻呼处于RRC空闲态的终端设备的流程示意图；
图11为本申请示例性提供的另一种寻呼处于RRC非激活态的终端设备的流程示意图；
图12为本申请提供的一种通信装置的结构示意图；
图13为本申请提供的一种通信装置的结构示意图。
具体实施方式
在介绍本申请实施例之前，首先对本申请实施例中的部分用语进行解释说明，以便于本领域技术人员理解。
1)、终端设备，又可以称之为终端，是用户侧的一种用于接收或发射信号的实体，用于向网络设备发送上行信号，或从网络设备接收下行信号。包括向用户提供语音和/或数据连通性的设备，例如可以包括具有无线连接功能的手持式设备、或连接到无线调制解调器的处理设备。该终端设备可以经无线接入网(radio access network，RAN)与核心网进行通信，与RAN交换语音和/或数据。该终端设备可以包括用户设备(user equipment，UE)、V2X终端设备、无线终端设备、移动终端设备、设备到设备通信(device-to-device，D2D)终端设备、机器到机器/机器类通信(machine-to-machine/machine-type communications，M2M/MTC)终端设备、物联网(internet of things，IoT)终端设备、订户单元(subscriber unit)、订户站(subscriber station)，移动站(mobile station)、远程站(remote station)、接入点(access point，AP)、远程终端(remote terminal)、接入终端(access terminal)、用户终端(user terminal)、用户代理(user agent)、或用户装备(user device)、可穿戴设备、车载设备等。
作为示例而非限定，在本申请实施例中，该终端设备还可以是可穿戴设备。可穿戴设备也可以称为穿戴式智能设备或智能穿戴式设备等，是应用穿戴式技术对日常穿戴进行智能化设计、开发出可以穿戴的设备的总称，如眼镜、手套、手表、服饰及鞋等。可穿戴设备即直接穿在身上，或是整合到用户的衣服或配件的一种便携式设备。可穿戴设备不仅仅是一种硬件设备，更是通过软件支持以及数据交互、云端交互来实现强大的功能。广义穿戴式智能设备包括功能全、尺寸大、可不依赖智能手机实现完整或者部分的功能，例如：智能手表或智能眼镜等，以及只专注于某一类应用功能，需要和其它设备如智能手机配合使用，如各类进行体征监测的智能手环、智能头盔、智能首饰等。
而如上介绍的各种终端设备，如果位于车辆上(例如放置在车辆内或安装在车辆内)，都可以认为是车载终端设备，车载终端设备例如也称为车载单元(on-board unit，OBU)。
2)、核心网，可以包括对用户的信令和数据进行处理和转发的网络设备。例如，包括移动性管理功能(access and mobility management function，AMF)、会话管理功能(session management function，SMF)以及用户面网关等核心网设备。其中用户面网关可以是具有对用户面数据进行移动性管理、路由、转发等功能的服务器，一般位于网络侧，如服务网关(serving gateway，SGW)或分组数据网络网关(packet data network gateway，PGW)或用户面网元功能实体(user plane function，UPF)等。AMF以及SMF相当于LTE系统中的移动管理实体(mobility management entity，MME)。AMF主要负责准入方面，SMF主要负责会话管理。当然，核心网中也可以包括其他网元，这里不一一列举。
3)、下一代无线接入网络(next generation radio access network，NG-RAN)，可以包括一个或多个接入网设备。NG-RAN中的接入网设备又可以称为基站，或者RAN节点，或者RAN设备。接入网设备是网络侧的一种用于发射和/或接收信号的实体，作为终端与接入网的其余部分之间的路由器，其中接入网的其余部分可以包括IP网络等。接入网设备还可以协调对空中接口的属性管理。例如，接入网设备可以是LTE中的演进型基站(evolutional Node B，eNB或e-NodeB)，eNB是一种部署在无线接入网中满足4G标准的为终端提供无线通信功能的装置。接入网设备还可以是新无线控制器(new radio controller，NR controller)， 可以是5G系统中的gNode B(gNB)，可以是集中式网元(centralized unit)，可以是新无线基站，可以是射频拉远模块，可以是微基站(也称为小站)，可以是中继(relay)，可以是分布式网元(distributed unit)，可以是各种形式的宏基站，可以是传输接收点(transmission reception point，TRP)、传输测量功能(transmission measurement function，TMF)或传输点(transmission point，TP)或者任何其它无线接入设备，或者下一代通信中的基站，但本申请实施例不限于此。
4)、RRC状态，终端设备有3种RRC状态：RRC连接态(connected态)、RRC空闲态(idle态)和非激活态(inactive态)。
RRC连接态(或，也可以简称为连接态。在本文中，“连接态”和“RRC连接态”，是同一概念，两种称呼可以互换)，指终端设备与接入网设备之间的存在于RRC层的逻辑连接，终端设备与接入网设备保存有终端设备的上下文(UE context)，该状态下终端设备可以与接入网设备进行上行或下行的数据和信令传输。
RRC空闲态(或，也可以简称为空闲态。在本文中，“空闲态”和“RRC空闲态”，是同一概念，两种称呼可以互换)，指终端设备与接入网设备之间不存在RRC层的逻辑连接，终端设备不能与接入网设备进行上行或下行的数据和信令传输，该状态下终端设备只能接收接入网设备发送的寻呼信息和系统信息，该状态下寻呼由核心网设备发起。
RRC非激活态(或，也可以简称为非激活态。在本文中，“去活动态”、“去激活态”、“非激活态”、“RRC非激活态”和“RRC去激活态”，是同一概念，这几种称呼可以互换)，指终端设备与接入网设备之间不存在RRC层的逻辑连接，终端设备不能与接入网设备进行上行或下行的数据和信令传输，但是终端设备和核心网设备的上下文仍然保留。该状态下终端设备只能接收接入网设备发送的寻呼信息和系统信息，该状态下寻呼由RAN发起。
5)、非连续接收(discontinuous reception，DRX)，分为空闲态DRX(Idle DRX，I-DRX)和连接态DRX(Connected DRX，C-DRX)。其中，使用空闲态DRX的终端设备不需要连续监听寻呼信息，可以达到降低终端设备功耗的目的。连接态DRX指示终端设备不需要连续监听调度上行/下行数据的控制信息，可以达到降低终端设备功耗的目的。
如图1示出了本申请实施例提供的通信方法适用的一种可能的通信系统的架构，该通信系统可包括网络设备和终端。本申请的实施例对该通信系统中包括的网络设备和终端的数量不做限定。
图1中示例性的包括6个终端，分别为终端1至终端6。图1仅是示意图，该通信系统中还可以包括其它网络设备，如还可以包括核心网设备、无线中继设备和无线回传设备，在图1中未画出。其中，网络设备，可以为终端提供无线接入有关的服务，实现下述功能中的一个或多个功能：无线物理层功能、资源调度和无线资源管理、服务质量(quality of service，Qos)管理、无线接入控制以及移动性管理功能。终端可通过空口与网络设备通信。
在该通信系统中，终端1至终端6可以发送上行信息给网络设备，网络设备可以向终端1至终端6发送的下行信息。
此外，终端4、终端5、终端6也可以组成一个通信系统。在该通信系统中，网络设备可以发送下行信息给终端4、终端5、终端6。网络设备也可以通过终端5发送下行信息给终端4、终端6，或终端4、终端6也可以通过终端5向网络设备发送上行信息。
图2示出了本申请实施例提供的通信方法适用的另一种可能的通信系统的架构，通信 系统200中包括核心网设备210、接入网设备220以及终端设备230。接入网设备220与核心网设备210之间通过S1接口相连，接入网设备220之间通过X2接口相连以进行通信，每个接入网设备220可以为覆盖范围内的一个或多个终端设备230提供服务。
本申请实施例提供的方法可以应用于第四代(4th generation，4G)通信系统、第五代(5th generation，5G)通信系统或未来的各种通信系统。具体的，可以应用于MTC的通信场景，也可以应用于NB-IoT的通信场景。
5G通信系统支持配置部分带宽(bandwidth part，BWP)，接入网设备可以根据终端设备的业务数据量灵活调整带宽，以节省终端设备的功耗。当前，在RRC空闲态，接入网设备通过系统消息配置初始部分带宽(initial BWP)用于终端设备的初始接入，当终端设备进入到RRC连接态，接入网设备可以为终端设备配置多个专用部分带宽(dedicated BWP)，接入网设备可以通过动态指示来激活终端设备的dedicated BWP。
如图3所示，终端设备通过initial BWP接入至接入网设备，进入RRC连接态，然后接入网设备为终端设备配置3个dedicated BWP，分别为第1个BWP、第2个BWP、第3个BWP。在时间t1，接入网设备为终端设备激活第1个BWP。在时间t2，接入网设备为终端设备激活第2个BWP。在时间t3，接入网设备为终端设备激活第3个BWP。在同一时刻，终端设备只有一个激活的dedicated BWP。
5G的频点分为两部分：FR1(F<6GHz，低频)和FR2(F>6GHz，高频、毫米波)。FR1的带宽可以是5MHz，10MHz，15MHz，20MHz，25MHz，30MHz，40MHz，50MHz，60MHz，80MHz和100MHz。FR2带宽可以是50MHz，100MHz，200MHz，400MHz。
5G中引入降低终端能力、复杂度、功耗的终端设备，可以称为轻型终端设备(NR-Light终端设备)或降低能力的终端设备(Reduce Capability UE，Red-Cap UE)。这类终端设备主要用于物联网场景，终端设备数量较大。其主要特征包含减少这类终端设备的带宽(UE Bandwidth Reduction)，即终端设备在一个相对较小的带宽上进行通信，例如，仅支持5MHz带宽的终端设备，或仅支持5MHz和10MHz带宽的终端设备，或支持5MHz，10MHz和15MHz带宽的终端设备，或支持5MHz，10MHz，15MHz和20MHz带宽的终端设备等。
本申请中，频域资源在不同场景下的指示方式可能不同：例如在NR中为BWP，在eMTC中为窄带(narrowband，NB)，在NB-IoT中为载波(carrier)，当然，在未来场景中也可能有其他指示方式。
还需要说明的是，本申请中涉及的物理下行共享信道比如物理下行共享信道(physical downlink shared channel，PDSCH)、窄带物理下行共享信道(narrowband physical downlink shared channel，NPDSCH)，本质上是相同作用的信道，只是在不同技术中的名称不同，本申请中可以相互替换。同理，本申请中涉及的物理下行控制信道比如PDCCH(physical downlink control channel，物理下行控制信道)、MTC物理下行控制信道(MTC physical downlink control channel，MPDCCH)、增强物理下行控制信道(enhanced physical downlink control channel，EPDCCH)、窄带物理下行控制信道(narrowband physical downlink control channel，NPDCCH)，本质上是相同作用的信道，只是在不同技术中的名称不同，本申请中也可以相互替换。
在上述图1和图2所示的场景中，接入网设备和终端设备可以基于相同预设规则，确定寻呼信息对应的频域资源，接入网设备在该频域资源上发送寻呼，终端设备在该频域资 源上检测寻呼。
示例性的，NB-IoT中，接入网设备设置有多个载波，请参照如图4示出的接入网设备设置多个载波的示意图，多个载波中包括一个锚点载波(anchor carrier)和至少一个非锚点载波(non-anchor carrier)，每个载波对应有各自的权重。终端设备在RRC空闲态时驻留在接入网设备的锚点载波，接入网设备和终端设备可以基于预设规则确定寻呼载波(paging carrier)，进而接入网设备在该寻呼载波上寻呼，终端设备在该寻呼载波上监听寻呼。
一个示例中，寻呼载波为满足关系式(1)的最小的载波索引对应的载波：
floor(UE_ID/(N*Ns))mod W<W(0)+W(1)+…+W(n)……关系式(1)
关系式(1)中，UE_ID为与国际移动用户识别码(international mobile subscriber identity，IMSI)或5G全局唯一的临时UE标识(5G globally unique temporary UE identity，5G-S-TMSI)相关的终端设备标识；
N为min(T,nB)；
Ns为max(1,nB/T)；
T为终端设备的DRX周期；
nB为4T,2T,T,T/2,T/4,T/8,T/16,T/32,T/64,T/128,T/256,T/512,T/1024；
Nn为寻呼载波的总数；
W(i)为第i个寻呼载波的权重；
W为所有寻呼载波的权重之和，比如，W＝W(0)+W(1)+…+W(Nn-1)。
进一步的，每个载波对应有传输参数，传输参数比如最大重复次数。为实现不同载波覆盖相同范围，需要设置不同载波支持不同的NPDCCH公共搜索空间(common search space，CSS)的最大重复次数配置。接入网设备在确定寻呼载波之后，可以发送对应最大重复次数的寻呼载波，相应的，终端设备在确定寻呼载波之后，可以参考最大重复次数在对应寻呼载波上接收寻呼。本申请中，最大重复次数又可以称为重复次数、重复信息等，当然在其他情况下可能会有其他名称，本申请仅为示例，不对其名称限制。
上述技术方案中，根据UE_ID确定寻呼载波，由于UE_ID实质上是随机ID，基于UE_ID的计算公式实质上是将不同UE随机地分散在不同寻呼载波上接收寻呼，所以上述预设规则实质上是基于随机原则确定寻呼载波。
目前，对于支持不同业务的终端设备，其可能设置在覆盖情况不同的环境中，上述基于随机原则确定寻呼载波的技术方案，可能会导致寻呼载波和终端设备业务不匹配。
基于此，本申请提供一种通信方法，用于解决接入网设备和终端设备确定出的频域资源与终端设备业务特征不匹配的问题。
本申请中，将接入网设备和终端设备之间传输的消息称为第一消息。将接入网设备和终端设备之间用于传输第一消息的频域资源对应的频域信息(也可以称为频率信息)称为第一频域信息。将用于指示终端设备与接入网设备之间传输第一消息的资源需求称为第一需求信息。
如图5为本申请示例性提供的一种通信方法的流程示意图，该流程中：
步骤501，终端设备确定第一频域信息。
具体的，终端设备根据第一需求信息和预设对应关系，确定第一频域信息。
第一需求信息用于指示终端设备与接入网设备传输消息时的资源需求。示例性的，第一需求信息与终端设备的业务特征相关联，具体体现在，第一需求信息与接入网设备和终 端设备之间的信道状态(也可以称为信道质量)相关联，比如，终端设备为处于地下室的水电表，则接入网设备与终端设备之间的信道状态较差，第一需求信息指示需要接入网设备多次重复发送下行信号，即在多个子帧传输同一个传输块，以提升覆盖范围，确保终端设备成功接收到下行信号。
预设对应关系配置于接入网设备中，预设对应关系中包括需求信息和频域信息的对应关系，其中，预设对应关系中第一需求信息与第一频域信息相对应。预设对应关系可以是接入网设备发送至终端设备的。具体的，预设对应关系可以承载于接入网设备向终端设备发送的接入层(access stratum，AS)信令，比如系统消息或RRC消息中。
步骤502，接入网设备确定第一频域信息。
具体的，接入网设备根据第一需求信息和预设对应关系，确定第一频域信息。
接入网设备确定第一频域信息的实现方式与上述步骤501中终端设备确定第一频域信息的实现方式类似，不再赘述。不限制步骤501和步骤502的先后顺序。
步骤503，接入网设备在所述第一频域信息对应的资源上发送第一消息。
具体的，第一频域信息对应有第一频域资源和第一传输参数。接入网设备在第一频域资源上，根据第一传输参数发送第一消息。相应的，终端设备在第一频域资源上，根据第一传输参数接收第一消息。
终端设备可以处于RRC空闲态或RRC非激活态。第一消息用于接入网设备寻呼终端设备，第一消息可以是寻呼信息。示例性的，第一消息具体为用于寻呼终端设备的下行控制信息(downlink control information，DCI)，第一消息承载于PDCCH中。或，第一消息具体为用于寻呼终端设备的寻呼消息(paging message)，第一消息中包括下行数据，第一消息承载于PDSCH中。
以下行控制信息为例，接入网设备在第一频域资源对应的PDCCH上，根据第一传输参数发送下行控制信息。终端设备在第一频域资源对应的PDCCH上，根据第一传输参数接收下行控制信息。
本申请中，接入网设备根据第一需求信息和预设对应关系确定第一频域信息，终端设备根据第一需求信息和预设对应关系确定第一频域信息，二者在第一频域信息对应的资源上传输第一消息，该第一频域信息对应的资源可以满足第一需求信息，避免出现接入网设备和终端设备确定出的频域资源与终端设备业务特征不匹配的问题。
结合上述图5相关实施例，本申请实施例示例性提供第二种通信方法，该通信方法中第一需求信息可以是由核心网设备和终端设备之间达成共识的。
可以将第一需求信息称为第一需求等级，可以将预设对应关系称为第一对应关系，如下先对第一需求等级、第一对应关系分别进行解释。
一、第一需求等级
第一需求等级用于指示终端设备业务对第一信息的传输参数的配置需求。示例性的，第一需求等级可以包括时延需求等级、覆盖需求等级、寻呼概率等级中一个或多个。
覆盖需求等级可以包括正常覆盖、深覆盖、覆盖无需求等。其中，正常覆盖的终端设备比如处在地面上的路灯，深覆盖的终端设备比如处于地下室的水电表，无需求的终端设备比如可穿戴设备。在某些实施例中，深覆盖还可以进一步包括多级深覆盖，比如包括深覆盖1级和深覆盖2级。
时延需求等级可以包括时延敏感、时延无需求(或时延可容忍)，时延敏感的终端设备比如烟雾探测器，时延无需求的终端设备比如水电表。
寻呼概率等级可以包括高寻呼概率和低寻呼概率。其中，高寻呼概率的终端设备比如用户手机，低寻呼概率的终端设备比如路灯。
结合时延需求等级、覆盖需求等级、寻呼概率等级，举例说明第一需求等级。
一种实现中，第一需求等级可以预先设置三个字段，三个字段分别指示时延需求等级、覆盖需求等级、寻呼概率等级，若某个字段为空，则可以指示该字段对应的需求为无需求。
示例1，终端设备业务对应时延需求，比如时延需求等级为时延敏感，则第一需求等级中第一个字段指示时延敏感，后两个字段为空。
示例2，终端设备业务对应时延需求和覆盖需求，比如时延需求等级为时延敏感，覆盖需求等级为正常覆盖，则第一需求等级中第一个字段指示时延敏感，第二字段指示正常覆盖，第三个字段为空。
示例3，终端设备业务对应时延需求、覆盖需求和寻呼概率，比如时延需求等级为时延敏感，覆盖需求等级为正常覆盖，寻呼概率为高寻呼概率，则第一需求等级中第一个字段指示时延敏感，第二字段指示正常覆盖，第三个字段指示高寻呼概率。
需要说明的是，若时延需求等级为时延无需求，则第一需求等级中第一个字段也可以为空，或，若覆盖需求等级为覆盖无需求，则第一需求等级中第二个字段也可以为空。在一个具体例子中，若终端业务对应时延无需求、覆盖无需求和高寻呼概率，则第一需求等级中第一字段和第二字段均可以为空，第三字段指示高寻呼概率。
另一种实现中，第一需求等级为时延需求等级、覆盖需求等级、寻呼概率等级中一个，第一需求等级中包括一个字段。示例性的，该字段使用一个比特位指示终端设备业务的时延需求：0表示时延需求等级为时延敏感，1表示时延需求等级为时延不敏感(或时延可容忍)。比如该比特位为0，则第一需求等级中该一个字段指示时延敏感。或者，示例性的，该字段使用两个比特位指示终端设备业务的覆盖需求等级：00表示覆盖需求等级为正常覆盖(或普通覆盖)，01表示覆盖需求等级为深覆盖1级，10表示覆盖需求等级为深覆盖2级，11表示无覆盖需求或者为保留值。比如该比特位为01，则第一需求等级中该一个字段指示深覆盖1级。进一步的，第一需求等级还可以指示终端设备对时延、覆盖、寻呼概率无需求。
或第一需求等级为时延需求等级、覆盖需求等级、寻呼概率等级中两个，第一需求等级中包括两个字段。示例性的，终端设备业务对应时延需求和覆盖需求，比如时延需求等级为时延敏感，覆盖需求等级为正常覆盖，则第一需求等级中两个字段分别指示时延敏感，和正常覆盖，进一步的，第一需求等级还可以指示终端设备对寻呼概率无需求。
需要说明的是，终端设备若对应的时延需求等级为时延无需求，则第一需求等级中可以不包括用于指示时延无需求的字段。又或者，终端设备若对应的覆盖需求等级为覆盖无需求，则第一需求等级中可以不包括用于指示覆盖无需求的字段。在一个具体例子中，若终端业务对应时延无需求、覆盖无需求和高寻呼概率，则第一需求等级中可以仅包括一个字段，该一个字段指示高寻呼概率。
还需要说明的是，上述两个实现仅为本申请示例性给出的例子，本申请还可以包括其他的实现方式，此处不再一一举例。当然，第一需求等级不限于上文列举的几种，还可以遵循其他的划分方式，使用其他名称、数量和定义，本申请同样不做限制。
一种可选实现方式中，核心网设备和终端设备之间协商确定第一需求等级。
具体的，终端设备向核心网设备发送非接入层(non-access stratum，NAS)信令，其中NAS信令包括终端设备请求的第一需求等级，NAS信令比如附着请求消息(attach request message)、跟踪区域更新请求消息(TAU request message)等。核心网设备若确定接受该第一需求等级，则向终端设备发送接受信息。核心网设备若确定不接受该第一需求等级，则向终端设备发送拒绝信息。进一步的，核心网设备可以在发送拒绝信息时，发送核心网设备所指示的第一需求等级。
此外，终端设备也可以将第一需求等级直接上报至核心网设备，或核心网设备将第一需求等级直接下发至终端设备。核心网设备和终端设备之间无需请求和确认这样的信令交互过程，即可以确定第一需求等级。
本实现中，若第一需求等级为无需求，则核心网设备和终端设备之间也可以默认达成共识，比如，核心网设备和终端设备之间约定采用NAS信令比如附着请求消息中预留比特位用于指示第一需求等级，若终端设备向核心网设备发送的附着请求消息中预留比特位为空(也即不包含第一需求等级)，则核心网设备确定终端设备是无需求的终端设备。
核心网设备可以向接入网设备发送第一需求等级，该第一需求等级可以作为一个单独的消息，也可以承载于已有消息中。
核心网设备可以在终端设备处于RRC连接态时，向接入网设备发送第一需求等级，也可以在终端设备处于RRC空闲态或RRC非激活态时，向接入网设备发送第一需求等级。
示例性的，终端设备处于RRC空闲态，第一需求等级可以承载于核心网设备向接入网设备发送的寻呼信息中。终端设备处于RRC非激活态，第一需求等级可以承载于核心网设备向接入网设备发送的RRC非激活辅助信息(RRC inactive assistance information)中。
另一种实现方式中，第一需求等级可以是由终端设备发送至接入网设备的，该第一需求等级可以作为一个单独的消息，也可以承载于已有消息中。终端设备处于RRC连接态，第一需求等级可以承载于终端设备向接入网设备发送的RRC消息中，RRC消息例如RRC连接建立请求消息(RRC setup request)、RRC连接建立完成消息(RRC setup complete)、RRC连接重配完成消息(RRC reconfiguration complete)。
需要说明的是，接入网设备可以将第一需求等级作为终端设备的上下文存储。若终端设备处于RRC非激活态，终端设备从第一接入网设备的覆盖范围移动至第二接入网设备的覆盖范围，且第一接入网设备中存储有终端设备的上下文，则第二接入网设备还可以向第一接入网设备请求终端设备的上下文，从而第二接入网设备根据终端设备的上下文中第一需求等级确定第一频域信息。具体实现可参照下述实施例。
本申请中，第一接入网设备可以称为锚点(anchor)接入网设备或锚点基站，第二接入网设备可以称为非锚点(non-anchor)接入网设备或非锚点基站。
二、第一对应关系
第一对应关系指示需求等级和频域信息的对应关系。
在一种实现方式中，第一对应关系为需求等级和频域信息的对应关系，频域信息包括频域资源和传输参数。示例性的，该第一对应关系如表1所示。
表1
需求等级 频域信息
需求等级1 频域信息1(频域资源1，传输参数1)
需求等级2 频域信息2(频域资源2，传输参数2)
需求等级3 频域信息3(频域资源3，传输参数3)
需求等级4 频域信息4(频域资源4，传输参数4)
在另一种实现方式中，频域信息为频域资源，第一对应关系包括需求等级、频域资源和传输参数的对应关系。
一个示例中，需求等级、频域资源和传输参数的对应关系如表2a所示。
表2a
需求等级 频域资源 传输参数
需求等级1 频域资源1 传输参数1
需求等级2 频域资源2 传输参数2
需求等级3 频域资源3 传输参数3
需求等级4 频域资源4 传输参数4
再一个示例中，需求等级和频域资源的对应关系如表2b所示，频域资源和传输参数的对应关系如表2c所示。
表2b
需求等级 频域资源
需求等级1 频域资源1
需求等级2 频域资源2
需求等级3 频域资源3
需求等级4 频域资源4
表2c
频域资源 传输参数
频域资源1 传输参数1
频域资源2 传输参数2
频域资源3 传输参数3
频域资源4 传输参数4
第一对应关系以表格形式为例说明，本申请中第一对应关系并不限定于表格形式。
上述第一对应关系中，可以使用频域资源索引指示频域资源，比如上述表1中，可以使用索引1指示频域资源1，索引2指示频域资源2。此外，第一对应关系中也可以没有频域资源索引，而是根据第一对应关系中位置隐式指示频域资源，比如上述表1中，处于第一个位置上的频域资源为频域资源1，处于第二个位置上的频域资源为频域资源2。
传输参数包括一个或多个参考传输参数，参考传输参数比如最大重复次数、DRX周期、WUS使能标识、寻呼时机密度。
其中，最大重复次数指示寻呼信息被传输的最大重复次数，比如，最大重复次数为10次，则接入网设备发送10次该寻呼信息，相应的，终端设备最多可以接收到10次该寻呼 信息。
DRX周期，也可以理解为寻呼周期，用于终端设备确定监听寻呼信息的寻呼时机(paging occasion，PO)。
WUS使能标识指示终端设备是否需要使用WUS。一个示例中，WUS使能标识取值为1，指示终端设备需要使用WUS，WUS使能标识取值为0，指示终端设备不需要使用WUS。又一个示例中，在DRX情况下，终端设备检测到WUS时，终端设备应监听之后的PO。在扩展非连续接收(enhanced discontinuous reception，eDRX)情况下，终端设备检测到WUS时，终端设备应监听之后的多个PO或者监听直至接收到包含终端设备的NAS标识的寻呼信息(以较早者为准)。如果终端设备没有检测到WUS，则终端设备不需要监听以下PO。
寻呼时机密度指示一个无线帧中可以用来承载寻呼信息的子帧的个数，示例性的，寻呼时机密度指示一个无线帧中可以用来承载寻呼下行控制信息的子帧的个数。
结合上述需求等级和传输参数的说明，如表3示例性提供一种第一对应关系。
其中需求等级包括正常覆盖、深覆盖、无需求和时延敏感。传输参数包括最大重复次数和DRX周期。示例性的，最大重复次数从小到大依次排序为：最大重复次数4、最大重复次数3、最大重复次数1、最大重复次数2，DRX周期从小到大依次排序为：DRX周期4、DRX周期3、DRX周期1、DRX周期2。
表3
需求等级 频域资源 传输参数
正常覆盖 频域资源1 传输参数1(最大重复次数1和DRX周期1)
深覆盖 频域资源2 传输参数2(最大重复次数2和DRX周期2)
无需求 频域资源3 传输参数3(最大重复次数3和DRX周期3)
时延敏感 频域资源4 传输参数4(最大重复次数4和DRX周期4)
需要指出的是，不同小区对应的第一对应关系可以相同或不同，终端设备可以接收来自接入网设备的该驻留小区的第一对应关系。一个示例中，终端设备驻留在某个小区中，接入网设备向终端设备广播该小区的第一对应关系。另一个示例中，终端设备在小区重选至目标小区后，向目标小区对应接入网设备请求该小区的第一对应关系，接入网设备向终端设备发送该小区的第一对应关系。
结合上述描述，如图6为本申请提供的第二种通信方法的流程示意图，其中过程如下。
步骤601，终端设备根据第一需求等级和第一对应关系，确定第一频域信息。
在一种实现方式中，终端设备根据第一对应关系，确定与第一需求等级相对应的第一频域信息，第一频域信息包括第一频域资源和第一传输参数。
结合上述表1举例，第一需求等级为需求等级1，终端设备根据需求等级1和第一对应关系，确定第一频域信息为频域信息1，具体的，第一频域资源为频域资源1，第一传输参数为传输参数1。
在另一种实现方式中，终端设备根据第一对应关系中需求等级和频域信息的对应关系，确定与第一需求等级相对应的第一频域资源，然后终端设备再结合第一对应关系中频域资源和传输参数的对应关系，确定与第一频域资源相对应的第一传输参数。
结合上述表2a举例，第一需求等级为需求等级1，终端设备根据需求等级1和第一对 应关系中需求等级和频域信息的对应关系，确定第一频域资源为频域资源1。然后终端设备再结合第一对应关系中频域资源和传输参数的对应关系，确定第一传输参数为频域资源1对应的传输参数1。
需要指出的是，上述表1至表3示出的例子中，一个第一需求等级可以对应有一个频域信息，但本申请实施例不排除一个第一需求等级对应有多个频域信息的实现方式。
一个可选方式中，第一对应关系可以如表4a所示，其中需求等级可以对应有一个或多个频域信息。
表4a
需求等级 频域资源 传输参数
需求等级1 频域资源1 传输参数1
需求等级1 频域资源2 传输参数2
需求等级1 频域资源3 传输参数3
需求等级2 频域资源4 传输参数4
需求等级3 频域资源5 传输参数5
需求等级3 频域资源6 传输参数6
在该种实现方式中，终端设备根据第一需求等级，从第一对应关系中可以确定出多个与第一需求等级相对应的频域资源，可以将该多个与第一需求等级相对应的频域资源称为多个候选频域资源，然后终端设备再根据终端设备标识，从该多个候选频域资源中确定出第一频域资源。
一种可选实现方式中，第一频域资源为满足关系式(2)的最小的频域资源索引对应的频域资源：
floor(UE_ID/(N*Ns))mod Nn……关系式(2)
关系式(2)中，UE_ID为与IMSI或5G-S-TMSI相关的终端设备标识；
N为min(T,nB)；
Ns为max(1,nB/T)；
T为终端设备的DRX周期；
nB为4T,2T,T,T/2,T/4,T/8,T/16,T/32,T/64,T/128,T/256,T/512,T/1024；
Nn为寻呼载波的总数。
再一个可选方式中，第一对应关系可以如表4b所示，其中需求等级可以对应有一个或多个频域信息，每个频域信息对应有权重，该权重用于确定第一频域信息。
表4b
需求等级 频域资源 传输参数 权重
需求等级1 频域资源1 传输参数1 权重1
需求等级1 频域资源2 传输参数2 权重2
需求等级1 频域资源3 传输参数3 权重3
需求等级2 频域资源4 传输参数4 权重4
需求等级3 频域资源5 传输参数5 权重5
需求等级3 频域资源6 传输参数6 权重6
在该种实现方式中，终端设备根据第一需求等级，从第一对应关系中可以确定出多个与第一需求等级相对应的频域资源，可以将该多个与第一需求等级相对应的频域资源称为 多个候选频域资源，然后终端设备再根据各候选频域资源对应的权重，从该多个候选频域资源中确定出第一频域资源。
一种可选实现方式中，第一频域资源为满足关系式(3)的最小的频域资源索引对应的频域资源：
floor(UE_ID/(N*Ns))mod W<W(0)+W(1)+…+W(n)……关系式(3)
关系式(3)中，UE_ID为与IMSI或5G-S-TMSI相关的终端设备标识；
N为min(T,nB)；
Ns为max(1,nB/T)；
T为终端设备的DRX周期；
nB为4T,2T,T,T/2,T/4,T/8,T/16,T/32,T/64,T/128,T/256,T/512,T/1024；
Nn为寻呼载波的总数；
W(i)为第i个候选频域资源的权重；
W为多个候选频率资源的总权重。
结合表4b举例说明，若第一需求等级为需求等级1，则终端设备确定三个候选频域资源分别为频域资源1至频域资源3。进一步的，终端设备基于关系式(3)，从三个候选频域资源中确定出第一频域资源。
假设UE_ID为12345，T＝128，nB＝T/4＝32，频域资源1至频域资源3对应的权重分别为W(0)＝5、W(1)＝2、W(2)＝12，相应的，Ns＝1，N＝T/4＝32，频域资源1至频域资源3对应的权重之和W＝W(0)+W(1)+W(2)＝19。
第一步，floor(UE_ID/(N*Ns))mod W＝floor(12345/(32*1))mod19＝5。
第二步，对于频域资源1，floor(UE_ID/(N*Ns))mod W＝5不小于频域资源1对应的权重W(0)＝5，确定频域资源1不符合关系式(3)。
第三步，对于频域资源2，频域资源1对应的权重和频域资源2对应的权重之和为7(W(0)+W(1)＝7)，floor(UE_ID/(N*Ns))mod W＝5小于7，确定频域资源2符合关系式(3)。
第四步，对于频域资源3，频域资源1对应的权重、频域资源2对应的权重和频域资源3对应的权重之和为19，floor(UE_ID/(N*Ns))mod W＝5小于19，确定频域资源3符合关系式(3)。
第五步，频域资源2和频域资源3均符合关系式(3)，从频域资源2和频域资源3中确定最小的频域资源索引对应的频域资源为频域资源2，也即终端设备基于关系式(3)，从三个频域资源1至频域资源3中确定出频域资源2为第一频域资源。
步骤602，接入网设备根据第一需求等级和第一对应关系，确定第一频域信息。
本申请中，接入网设备根据第一对应关系和第一需求等级，确定第一频域信息的实现方式可以具体参照步骤601中终端设备确定第一频域信息的实现方式，此处不再赘述。
不限制步骤601和步骤602的先后顺序。
步骤603，接入网设备在第一频域信息对应的资源上发送第一消息。
在一种实现方式中，第一频域信息包括第一频域资源和第一传输参数，接入网设备在第一频域资源上，使用第一传输参数发送第一消息。相应的，终端设备在第一频域资源上，使用第一传输参数接收第一消息。
在另一种实现方式中，第一频域信息为第一频域资源，接入网设备在第一频域资源上，使用第一频域资源对应的第一传输参数发送第一消息。相应的，终端设备在第一频域资源 上，使用第一频域资源对应的第一传输参数接收第一消息。
例如，第一频域资源为频点10MHz，第一传输参数中包括WUS使能标识、DRX周期、最大重复次数，其中DRX周期用于终端设备确定PO位置，WUS使能标识指示UE需要根据WUS的指示在PO监听寻呼。终端设备检测到WUS，终端设备在之后的PO监听寻呼下行控制信息并接收寻呼消息。具体的，终端设备最多可以接收到10次承载寻呼下行控制信息的PDCCH，之后在指示的PDSCH上接收寻呼消息。
可选的，终端设备根据第一消息，与接入网设备建立RRC连接，具体可参照现有技术中关于终端设备接入网络的描述，此处不赘述。
需要说明的是，第一需求等级可能会发生改变。
一个示例中，终端设备根据自身所处环境，确定其对应的第一需求等级变化。比如，终端设备设置有环境传感器，终端设备根据感应的周边环境的因素，确定终端设备所处环境由地下环境变为地上环境，则确定对应的第一需求等级发生变化。再比如，终端设备根据测量参考信号(reference signal)得到的测量结果，确定与接入网设备之间的信道状态发生变化，从而确定第一需求等级发生变化。
终端设备若确定第一需求等级发生变化，则可以向核心网设备发送第二请求信息。该第二请求信息中包括新的需求等级(如下称为第二需求等级)，核心网设备接收到该第二请求信息后，根据第二需求等级更新第一需求等级，具体可以是直接将第二需求等级替换第一需求等级。
进一步的，核心网设备或终端设备还可以向接入网设备发送第二需求等级，从而接入网设备可以根据第二需求等级和第一对应关系，确定第一频域信息。
结合上述图5或图6相关实施例，本申请示例性提供一种寻呼处于RRC空闲态的终端设备的具体实现方式。示例性的，参照如图7所示，该流程包括：
步骤701，核心网设备与终端设备之间协商第一需求等级。
步骤702，核心网设备向接入网设备发送第一需求等级。
步骤703，接入网设备向终端设备发送第一对应关系。
步骤704，接入网设备根据第一对应关系和第一需求等级确定第一频域信息。
步骤705，终端设备根据第一对应关系和第一需求等级确定第一频域信息。
步骤706，接入网设备在第一频域信息对应的资源上发送寻呼信息。寻呼信息为寻呼下行控制信息或寻呼消息。
本实施例中，步骤703可以在步骤701或步骤702之前或之后执行，以及不限制步骤704和步骤705的先后顺序。
上述流程还可以包括：终端设备从RRC连接态切换至RRC空闲态。若终端设备处于RRC连接态，则接入网设备可以通过RRC释放(RRC release)消息发送第一对应关系。若终端设备处于RRC空闲态，则接入网设备可以向终端设备广播第一对应关系。
图7所示流程中各步骤中的具体实现方式，均可参见图5或图6相关实施例中描述。
结合上述图5或图6相关实施例，本申请示例性提供一种寻呼处于RRC非激活态的终端设备的具体实现方式。
第一个示例中，终端设备仍处于第一接入网设备的服务小区，核心网、第一接入网设 备和终端设备之间的交互可参照上述步骤701至步骤706。
第二个示例中，终端设备移动至第二接入网设备的服务小区，可以参照如图8所示的一种寻呼处于RRC非激活态的终端设备的流程示意图，该流程中：
步骤801，核心网设备与终端设备之间协商第一需求等级。
步骤802，核心网设备向第一接入网设备发送第一需求等级。
步骤803，第一接入网设备向第二接入网设备发送寻呼信息。
该寻呼信息中包括第一需求等级，该寻呼信息用于指示第二接入网设备根据第一需求等级寻呼终端设备。
第一需求等级可以承载于第一接入网设备向第二接入网设备发送的终端设备的上下文中，第二接入网设备向第一接入网设备请求终端设备的上下文，第一接入网设备将第一对应关系承载于终端设备的上下文中发送至第二接入网设备。
步骤804，第二接入网设备向终端设备发送第一对应关系。
此处，第一对应关系是第二接入网设备中配置的第一对应关系，不同接入网设备中配置的第一对应关系可以相同或不同。
步骤805，第二接入网设备根据第一对应关系和第一需求等级确定第一频域信息。
步骤806，终端设备根据第一对应关系和第一需求等级确定第一频域信息。
步骤807，第二接入网设备向终端设备发送寻呼信息。寻呼信息为寻呼下行控制信息或寻呼消息。
本实施例中，不限制步骤805和步骤806的先后顺序。
第一个示例或第二个示例中，还可以包括：终端设备从RRC连接态切换至RRC非激活态，若终端设备处于RRC非激活态，则第一接入网设备可以将第一接入网设备中配置的第一对应关系广播至终端设备。同理，第二接入网设备也可以将第二接入网设备中配置的第一对应关系广播至终端设备。
图8所示流程中各步骤中的具体实现方式，均可参见图5或图6相关实施例中描述。
上述技术方案中，核心网设备和终端设备协商第一需求等级，第一需求等级与终端设备的业务特征相关联，或者说与接入网设备和终端设备之间的信道状态相关联，接入网设备基于第一需求等级和第一对应关系确定第一频域信息，以及终端设备基于第一需求等级和第一对应关系确定第一频域信息，充分考虑终端设备的业务特征，接入网设备和终端设备在第一频域信息对应的资源上传输第一消息，有助于提高终端设备接收到第一消息的概率，且避免不必要的资源消耗和能量消耗。
结合上述图5相关实施例，本申请实施例示例性提供第三种通信方法，该通信方法中第一需求信息可以是由接入网设备和终端设备之间达成共识的。
可以将第一需求信息称为第一需求参数，可以将预设对应关系称为第二对应关系，如下先对第一需求参数、第二对应关系分别进行解释。
一、第一需求参数
第一需求参数用于指示终端设备与接入网设备之间的信道状态对接入网设备寻呼终端设备的传输参数的配置需求。第一需求参数包括一个或多个参考需求参数，参考需求参数比如最大重复次数、参考信号接收功率、覆盖增强等级、DRX周期、WUS使能标识、寻呼时机密度。
其中最大重复次数、DRX周期、WUS使能标识、寻呼时机密度已在图6相关实施例中描述，不再赘述。
参考信号接收功率为一个符号(symbol)内承载参考信号的所有资源单元(resource element，RE)上接收到的信号功率的平均值，其用于指示终端设备的信道状态。
覆盖增强等级(coverage enhancement level，CEL)，用于指示寻呼信息的覆盖增强需求，例如，寻呼信息的覆盖增强等级与覆盖增强需求正相关，覆盖增强等级0(CE0)对应的覆盖增强需求，比覆盖增强等级3(CE3)对应的覆盖增强需求小。以信号重复为例，CE0下寻呼信息需要重复发送的次数小于CE3下寻呼信息需要重复发送的次数。
第一需求参数中各参考需求参数可以通过对应预设值或预设区间确定所指示的需求。
参考需求参数对应预设值指示的需求为：第一传输参数中对应的参考传输参数需要等于该预设值。比如参考需求参数为WUS使能标识，WUS使能标识对应预设值，则指示第一传输参数中WUS使能标识需要为该预设值。
参考需求参数对应预设区间指示的需求为：第一传输参数中对应的参考传输参数需要处于该预设区间内。比如参考需求参数为最大重复次数，最大重复次数对应预设区间，则指示第一传输参数中最大重复次数需要处于该预设区间内。
当然，第一需求参数还可以是其他名称、数量和定义，本申请不做限制。
一种可选实现方式中，接入网设备和终端设备之间协商确定第一需求参数。
具体的，终端设备向接入网设备发送AS信令，其中AS信令包括终端设备请求的第一需求参数，AS信令比如RRC消息。接入网设备若确定接受该第一需求参数，则可以向终端设备发送接受信息。接入网设备若确定不接受该第一需求参数，则可以向终端设备发送拒绝信息。进一步的，接入网设备可以在发送拒绝信息时，发送接入网设备所指示的第一需求参数。示例性的，拒绝信息可以承载于RRC释放消息中，或拒绝信息和接入网设备所指示的第一需求参数可以承载于RRC释放消息中。
此外，终端设备也可以将第一需求参数直接上报至接入网设备，或接入网设备将第一需求参数直接下发至终端设备，示例性的，终端设备可以将第一需求参数承载于向接入网设备发送的RRC消息中，RRC消息比如RRC连接建立请求消息、RRC连接建立完成消息、RRC连接重配完成消息。再示例性的，接入网设备可以将第一需求参数承载于向终端设备发送的RRC消息中，RRC消息比如RRC释放消息。接入网设备和终端设备之间无需请求和确认这样的信令交互过程，即可以确定第一需求参数。
接入网设备可以向核心网设备发送第一需求参数，若终端设备处于RRC空闲态，终端设备所属小区对应的接入网设备可以从核心网设备中获取第一需求参数，终端设备所属小区对应的接入网设备无需再次与终端设备协商第一需求参数，有助于避免频繁协商，从而节省协商信令。
二、第二对应关系
第二对应关系指示需求参数和频域资源的对应关系。
在一种实现方式中，第二对应关系中包括多个频域信息，其中每个频域信息包括频域资源和传输参数。在另一种实现方式中，频域信息为频域资源，第二对应关系中包括多个频域资源与各频域资源对应的传输参数。
示例性的，频域资源与传输参数的对应关系如表5所示。
表5
频域资源 传输参数
频域资源1 传输参数1
频域资源2 传输参数2
频域资源3 传输参数3
频域资源4 传输参数4
第二对应关系以表格形式为例说明，本申请中第二对应关系并不限定于表格形式。
上述第二对应关系中，可以使用频域资源索引指示频域资源，比如上述表5中，可以使用索引1指示频域资源1，索引2指示频域资源2。此外，第一对应关系中也可以没有频域资源索引，而是根据第二对应关系中位置隐式指示频域资源，比如上述表5中，处于第一个位置上的频域资源为频域资源1，处于第二个位置上的频域资源为频域资源2。
传输参数包括M个参考传输参数，M大于或等于1，参考传输参数比如最大重复次数、参考信号接收功率、覆盖增强等级、DRX周期、WUS使能标识、寻呼时机密度。具体解释可参照上述描述，此处不再赘述。
一种可选示例中，传输参数包括最大重复次数、DRX周期、WUS使能标识，第二对应关系如表6所示。
表6
频域资源 传输参数
频域资源1 传输参数1(最大重复次数1、DRX周期1、WUS使能标识1)
频域资源2 传输参数2(最大重复次数2、DRX周期2、WUS使能标识2)
频域资源3 传输参数3(最大重复次数3、DRX周期3、WUS使能标识3)
频域资源4 传输参数4(最大重复次数4、DRX周期4、WUS使能标识4)
需要指出的是，不同小区对应的第二对应关系可以相同或不同，终端设备可以接收来自接入网设备的该驻留小区的第二对应关系。一个示例中，终端设备驻留在某个小区中，接入网设备向终端设备广播该小区的第二对应关系。另一个示例中，终端设备在小区重选至目标小区后，向目标小区对应接入网设备请求该小区的第二对应关系，接入网设备向终端设备发送该小区的第二对应关系。
结合上述描述，如图9为本申请提供的第三种通信方法的流程示意图，其中过程如下。
步骤901，终端设备根据第一需求参数和第二对应关系，确定第一频域信息。
在一种实现方式中，终端设备从多个频域信息中确定出第一频域信息，其中第一频域信息中第一传输参数符合第一需求参数。在另一种实现方式中，终端设备从多个频域信息中确定出第一频域信息，其中第一频域信息对应的第一传输参数符合第一需求参数。
第一传输参数符合第一需求参数，具体可以是，第一传输参数中N个参考传输参数符合第一需求参数，其中N大于或等于1，且小于或等于M。
进一步的，第一传输参数中参考传输参数与第一需求参数中参考需求参数之间存在对应关系，第一传输参数中参考传输参数符合第一需求参数中对应参考需求参数指示的需求。
示例性的，第一需求参数中包括参考需求参数如最大重复次数、DRX周期、WUS使能标识，并分别指示最大重复次数需求、DRX周期需求、WUS使能需求。终端设备确定 第二对应关系中与第一需求参数相对应的第一频域信息，可以有如下示例：
示例1，终端设备确定各参考传输参数均符合对应需求的传输参数为第一传输参数。
比如表6中，终端设备确定传输参数1中最大重复次数1符合最大重复次数需求，DRX周期1符合DRX周期需求，WUS使能标识1符合WUS使能需求，则确定传输参数1符合第一需求参数，并将传输参数1确定为第一传输参数。
示例2，终端设备根据各参考传输参数对应的优先级，确定优先级排序中前N个优先级对应的参考传输参数符合对应需求的传输参数为第一传输参数。
比如表6中，各参考传输参数的优先级排序从高到低依次为最大重复次数、DRX周期、WUS使能标识。比如N＝1，若终端设备确定传输参数1中最大重复次数1符合最大重复次数需求，则确定传输参数1符合第一需求参数，并将传输参数1确定为第一传输参数。再比如N＝2，若终端设备确定传输参数1中最大重复次数1符合最大重复次数需求，以及DRX周期1符合DRX周期需求，则确定传输参数1符合第一需求参数，并将传输参数1确定为第一传输参数。
此外，在上述示例1不能确定第一传输参数时，终端设备也可以基于各参考传输参数的优先级，确定优先级排序中前N个优先级对应的参考传输参数符合对应需求的传输参数为第一传输参数。
比如表6中，各参考传输参数的优先级排序从高到低依次为最大重复次数、DRX周期、WUS使能标识。终端设备采用上述示例1中实现方式确定不存在各参考传输参数均符合对应需求的传输参数，终端设备可以先确定是否存在前2个优先级对应的参考传输参数符合对应需求的传输参数。具体的，终端设备确定最大重复次数符合最大重复次数需求，以及DRX周期符合DRX周期需求的传输参数作为第一传输参数。比如若终端设备确定传输参数1中最大重复次数1符合最大重复次数需求，以及DRX周期1符合DRX周期需求，则确定传输参数1符合第一需求参数，并将传输参数1确定为第一传输参数。
若终端设备确定不存在前2个优先级对应的参考传输参数均符合对应需求的传输参数，则终端设备确定是否存在第1个优先级对应的参考传输参数符合对应需求的传输参数。比如若终端设备确定传输参数1中最大重复次数1符合最大重复次数需求，则确定传输参数1符合第一需求参数，并将传输参数1确定为第一传输参数。
本申请实施例中，各参考传输参数对应的优先级可以是由接入网设备配置，也可以是由协议预先规定。
上述示例中，终端设备可能确定出多个符合条件的传输参数，比如示例1中，终端设备可能确定出多个各参考传输参数均符合对应需求的传输参数，可以将该多个符合条件的传输参数分别对应的频域资源称为是多个候选频域资源，终端设备可以基于关系式(2)或关系式(3)从该多个候选频域资源中确定出第一频域资源。
上述示例中，终端设备根据各参考传输参数对应的优先级，确定优先级排序中前N个优先级对应的参考传输参数符合对应需求的传输参数为第一传输参数，且优先级可以是预先配置的或协议规定的，通过该方式可以提升确定过程中的灵活性。
步骤902，接入网设备根据第一需求参数和第二对应关系，确定第一频域信息。
本申请中，接入网设备根据第二对应关系和第一需求参数，确定第一频域信息的实现方式可以具体参照步骤901中终端设备确定第一频域信息的实现方式，此处不再赘述。
步骤903，接入网设备在第一频域信息对应的资源上发送第一消息。
在一种实现方式中，第一频域信息包括第一频域资源和第一传输参数，接入网设备在第一频域资源上，使用第一传输参数发送第一消息。相应的，终端设备在第一频域资源上，使用第一传输参数接收第一消息。
在另一种实现方式中，第一频域信息为第一频域资源，接入网设备在第一频域资源上，使用第一频域资源对应的第一传输参数发送第一消息。相应的，终端设备在第一频域资源上，使用第一频域资源对应的第一传输参数接收第一消息。
可选的，终端设备根据第一消息，与接入网设备建立RRC连接，具体可参照现有技术中关于终端设备接入网络的描述，此处不赘述。
需要说明的是，第一需求参数可能会发生改变。
具体的，终端设备可以通过测量服务小区的下行参考信号确定服务小区的信道状态，并确定第一需求参数是否发生变化。参考信号可以包括参考信号接收功率(reference signal received power,RSRP)、参考信号接收质量(reference signal received quality,RSRQ)、信号与干扰噪声比(signal interference noise ratio,SINR)、或者信号与噪声比(signal noise ratio,SNR)等中的至少一项。例如，终端设备检测当前所属小区发送的参考信号，若检测的RSRP变化量大于门限，或者，若检测的CEL发生改变，则确定当前所属小区对应的当前信道状态，以及第一需求参数发生变化。
终端设备若确定第一需求参数发生变化，则可以向接入网设备发送第一请求信息。
第一种实现中，该第一请求信息中包括更新后的需求参数(如下称为第二需求参数)，接入网设备接收到该第一请求信息后，根据所述第二需求参数更新所述第一需求参数，具体可以是直接将第二需求参数替换第一需求参数。
第二种实现中，该第一请求信息中包括用于指示更新第一需求参数的第一指示信息，接入网设备接收到该第一请求信息后，根据第一指示信息更新第一需求参数得到第二需求参数，并向终端设备发送第二需求参数。该实现方式可以有至少如下两个示例：
一个示例，第一指示信息具体可以是需求参数的变化信息，比如，相比于第一需求参数的增量信息，接入网设备根据该增量信息调整第一需求参数得到调整后的需求参数，即为第二需求参数。
再一个示例，该第一请求信息中包括用于指示更新第一需求参数的第一指示信息，接入网设备接收到该第一请求信息后，根据接入网设备和终端设备之间上行链路的信道状态，确定第二需求参数，并向终端设备发送第二需求参数。
需要指出的是，第一种实现的第一请求信息中第二需求参数也可以理解为第一指示信息，该第一指示信息即用于指示接入网设备将第一需求参数替换为第一指示信息所指示的第二需求参数。
相应的，在接入网设备和终端设备均更新第一需求参数得到第二需求参数之后，接入网设备和终端设备可以根据第二需求参数和第二对应关系，确定第一频域信息。接入网设备与终端设备在确定出的第一频域信息上传输消息。
进一步的，终端设备的第一需求参数发生变化，接入网设备还可以向核心网设备发送第二需求参数，从而在核心网设备指示第二接入网设备寻呼处于空闲态的终端设备时，核心网设备可以向第二接入网设备发送第二需求参数。
此外，终端设备若确定第一需求参数发生变化，还可以有如下实现方式：
一种实现中，接入网设备还可以在第二对应关系中设置默认频域信息，若终端设备的 第一需求参数发生变化，终端设备向接入网设备发送第一请求信息，终端设备和接入网设备可以将默认频域信息确定为第一频域信息。若默认频域信息为多个，则可以将多个默认频域信息作为多个候选频域信息，并根据上述关系式(2)或关系式(3)确定出第一频域信息。
另一种实现中，若终端设备的第一需求参数发生变化，终端设备向接入网设备发送第一请求信息，终端设备和接入网设备可以根据上述关系式(1)确定出第一频域信息。
在该两种实现中，终端设备若确定第一需求参数发生变化，则接入网设备和终端设备基于第一需求参数和第二对应关系确定第一频域信息的实现方式不再适用，则可以回退至默认频域信息，或回退至现有技术中确定频域信息的方法，有助于增强系统健壮性。
结合上述图5或图9相关实施例，本申请示例性提供一种寻呼处于RRC空闲态的终端设备的具体实现方式。示例性的，参照如图10所示，该流程包括：
步骤1001，接入网设备向终端设备发送第二对应关系。
步骤1002，接入网设备与终端设备之间协商第一需求参数。
步骤1003，核心网设备向接入网设备发送寻呼信息，该寻呼信息用于请求接入网设备寻呼该终端设备。
步骤1004，接入网设备根据第二对应关系和第一需求参数确定第一频域信息。
步骤1005，终端设备根据第二对应关系和第一需求参数确定第一频域信息。
步骤1006，接入网设备向终端设备发送寻呼信息。寻呼信息为寻呼下行控制信息或寻呼消息。
本实施例中，不限制步骤1001和步骤1002的先后顺序，以及不限制步骤1004和步骤1005的先后顺序。
上述流程还可以包括：终端设备从RRC连接态切换至RRC空闲态，若终端设备处于RRC空闲态，则接入网设备可以将待发送信息广播至终端设备。比如，接入网设备可以向终端设备广播第二对应关系。再比如，接入网设备可以向终端设备广播第一需求参数。
图10所示流程中各步骤中的具体实现方式，均可参见图5或图9相关实施例中描述。
结合上述图5或图9相关实施例，本申请示例性提供一种寻呼处于RRC非激活态的终端设备的具体实现方式。示例性的，参照如图11所示的一种寻呼处于RRC非激活态的终端设备的流程示意图，该流程包括：
步骤1101，第一接入网设备向终端设备发送第二对应关系。
步骤1102，第一接入网设备与终端设备之间协商第一需求参数。
步骤1103，第一接入网设备向第二接入网设备发送寻呼信息，该寻呼信息用于请求第二接入网设备寻呼该终端设备，其中寻呼信息中包括第一需求参数。
步骤1104，第二接入网设备根据第二对应关系和第一需求参数确定第一频域信息。
此处，第二对应关系是第二接入网设备中配置的第二对应关系，不同接入网设备中配置的第二对应关系可以相同或不同。
步骤1105，终端设备根据第二对应关系和第一需求参数确定第一频域信息。
步骤1106，第二接入网设备向终端设备发送寻呼信息。
本实施例中，不限制步骤1101和步骤1102的先后顺序，以及不限制步骤1104和步骤 1105的先后顺序。
上述流程还可以包括：终端设备从RRC连接态切换至RRC非激活态，若终端设备处于RRC非激活态，则第一接入网设备可以向终端设备广播第一接入网设备中配置的第二对应关系或第一需求参数。同理，第二接入网设备也可以向终端设备广播第二接入网设备中配置的第二对应关系或第一需求参数。
此外，终端设备若接入至第二接入网设备，则可以与第二接入网设备协商第一需求参数，进而在终端设备处于RRC空闲态或RRC非激活态时，第二接入网设备与终端设备可以基于第二接入网设备中配置的第二对应关系和协商的第一需求参数，确定第一频域信息。
图11所示流程中各步骤中的具体实现方式，均可参见图5或图9相关实施例中描述。
上述技术方案中，接入网设备和终端设备协商第一需求参数，第一需求参数与接入网设备和终端设备之间的信道状态相关联，接入网设备基于第一需求参数和第二对应关系确定第一频域信息，以及终端设备基于第一需求参数和第二对应关系确定第一频域信息，充分考虑接入网设备和终端设备之间的信道状态，接入网设备和终端设备在第一频域信息对应的资源上传输第一消息，适用于终端设备的业务特征，有助于提高接入网设备寻呼终端设备的成功率，以及避免出现资源浪费或者终端设备接收寻呼消息时时延较大的问题。
本文中描述的各个实施例可以为独立的方案，也可以根据内在逻辑进行组合，这些方案都落入本申请的保护范围中。
可以理解的是，上述各个方法实施例中，由终端设备实现的方法和操作，也可以由可用于终端设备的部件(例如芯片或者电路)实现，由网络设备(接入网设备或核心网设备)实现的方法和操作，也可以由可用于网络设备的部件(例如芯片或者电路)实现。
上述本申请提供的实施例中，分别从各个设备之间交互的角度对本申请实施例提供的方法进行了介绍。为了实现上述本申请实施例提供的方法中的各功能，终端设备与网络设备可以包括硬件结构和/或软件模块，以硬件结构、软件模块、或硬件结构加软件模块的形式来实现上述各功能。上述各功能中的某个功能以硬件结构、软件模块、还是硬件结构加软件模块的方式来执行，取决于技术方案的特定应用和设计约束条件。
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模块可以集成在一个处理器中，也可以是单独物理存在，也可以两个或两个以上模块集成在一个模块中。上述集成的模块既可以采用硬件的形式实现，也可以采用软件功能模块的形式实现。
基于上述内容和相同构思，图12和图13为本申请的提供的可能的通信装置的结构示意图。这些通信装置可以用于实现上述方法实施例中终端设备或接入网设备的功能，因此也能实现上述方法实施例所具备的有益效果。
当通信装置1200用于实现图5至图11所示的方法实施例的接入网设备的功能时：
一种可能的实现方式中，所述通信装置1200包括：处理单元1201，用于确定第一频域信息，所述第一频域信息是预设对应关系中与第一需求信息相对应的频域信息，所述第一需求信息用于指示通信单元1202与终端设备传输消息时的资源需求；所述通信单元1202，用于在所述第一频域信息对应的资源上向所述终端设备发送第一消息。
一种可能的实现方式中，所述第一消息用于寻呼所述终端设备。
一种可能的实现方式中，所述第一需求信息是来自核心网设备或终端设备或第一接入 网设备的需求信息。
一种可能的实现方式中，所述第一需求信息是来自核心网设备的第一需求等级，所述第一频域信息是所述预设对应关系中与第一需求等级相对应的频域信息。
一种可能的实现方式中，所述第一需求等级包括时延需求等级、覆盖需求等级、寻呼概率等级中一个或多个。
一种可能的实现方式中，所述第一需求信息是来自所述终端设备的第一需求参数，所述第一频域信息是所述预设对应关系中对应传输参数满足所述第一需求参数的频域信息。
一种可能的实现方式中，所述传输参数包括M个参考传输参数，所述M个参考传输参数分别对应M个优先级，所述第一频域信息对应的N个参考传输参数满足所述第一需求参数，所述N个参考传输参数分别对应的N个优先级为所述M个优先级从高到低依次排序的前N个，N小于或等于M，且N为正整数。
一种可能的实现方式中，所述第一需求参数包括如下参数中一个或多个：最大重复次数、参考信号接收功率、覆盖增强等级、非连续接收周期、WUS使能标识、寻呼时机密度。
一种可能的实现方式中，所述通信单元1202还用于接收来自所述终端设备的第一请求信息，所述第一请求信息中包括第一指示信息，所述第一指示信息用于指示更新所述第一需求参数；所述通信单元1202还用于向所述终端设备发送第二需求参数，所述第二需求参数为更新后的第一需求参数。可选的，所述第一指示信息为第二需求参数。
一种可能的实现方式中，所述终端设备处于RRC非激活态，所述终端设备的上下文存储于第一接入网设备中；所述通信单元1202还用于向所述第一接入网设备请求所述终端设备的上下文，所述终端设备的上下文中包括所述第一需求信息；以及接收来自所述第一接入网设备的所述终端设备的上下文。
一种可能的实现方式中，所述第一频域信息中频域资源对应的传输参数包括如下参数中一个或多个：最大重复次数、非连续接收周期、WUS使能标识、寻呼时机密度；所述通信单元1202具体用于在所述第一频域信息包括的所述频域资源上，使用所述频域资源对应的传输参数向所述终端设备发送所述第一消息。
一种可能的实现方式中，所述通信单元1202还用于向所述终端设备发送所述预设对应关系。
当通信装置1200用于实现图5至图11所示的方法实施例的终端设备的功能时：
一种可能的实现方式中，所述通信装置1200包括：处理单元1201，用于确定第一频域信息，所述第一频域信息是预设对应关系中与第一需求信息相对应的频域信息，所述第一需求信息用于指示通信单元1202与接入网设备传输消息时的资源需求；所述通信单元1202，用于在所述第一频域信息对应的资源上接收来自所述接入网设备的第一消息。
一种可能的实现方式中，所述第一消息用于寻呼所述通信装置。
一种可能的实现方式中，所述第一需求信息是来自核心网设备的第一需求等级，所述第一频域信息是所述预设对应关系中与第一需求等级相对应的频域信息。
一种可能的实现方式中，所述第一需求等级包括时延需求等级、覆盖需求等级、寻呼概率等级中一个或多个。
一种可能的实现方式中，所述通信单元1202还用于向所述核心网设备发送第二请求信息，所述第二请求信息中包括第二指示信息，所述第二指示信息用于更新所述第一需求 等级；所述通信单元1202还用于接收来自所述核心网设备的第二需求等级，所述第二需求等级为更新后的第一需求等级。可选的，所述第二指示信息为第二需求等级。
一种可能的实现方式中，所述第一需求信息是所述通信单元1202向所述接入网设备发送的第一需求参数，所述第一频域信息是所述预设对应关系中对应传输参数满足所述第一需求参数的频域信息。
一种可能的实现方式中，所述传输参数包括M个参考传输参数，所述M个参考传输参数分别对应M个优先级，所述第一频域信息对应的N个参考传输参数符合所述第一需求参数，所述N个参考传输参数分别对应的N个优先级为所述M个优先级从高到低依次排序的前N个，N小于或等于M，且N为正整数。
一种可能的实现方式中，所述第一需求参数包括如下参数中一个或多个：最大重复次数、参考信号接收功率、覆盖增强等级、非连续接收周期、WUS使能标识、寻呼时机密度。
一种可能的实现方式中，所述通信单元1202还用于向所述接入网设备发送第一请求信息，所述第一请求信息中包括第一指示信息，所述第一指示信息用于更新所述第一需求参数；所述通信单元1202还用于接收来自所述接入网设备的第二需求参数，所述第二需求参数为更新后的第一需求参数。可选的，所述第一指示信息为第二需求参数。
一种可能的实现方式中，所述第一频域信息中频域资源对应的传输参数包括如下参数中一个或多个：最大重复次数、非连续接收周期、WUS使能标识、寻呼时机密度；所述通信单元1202具体用于在所述第一频域信息包括的所述频域资源上，使用所述频域资源对应的传输参数接收来自所述接入网设备的所述第一消息。
一种可能的实现方式中，所述通信单元1202还用于接收来自所述接入网设备的所述预设对应关系。
当通信装置1200用于实现图5至图11所示的方法实施例的核心网设备的功能时：
一种可能的实现方式中，所述通信装置1200包括：处理单元1201，用于确定第一需求信息，所述第一需求信息用于指示终端设备与接入网设备传输消息时的资源需求；通信单元1202，用于向所述接入网设备发送所述第一需求信息。
一种可能的实现方式中，所述第一需求信息为第一需求等级，所述第一需求等级包括时延需求等级、覆盖需求等级、寻呼概率等级中一个或多个。
一种可能的实现方式中，所述处理单元1201具体用于控制所述通信单元1202接收所述终端设备请求的第一需求等级，将所述第一需求等级确定为第一需求信息，以及控制所述通信单元1202向所述终端设备发送接受信息。
一种可能的实现方式中，所述处理单元1201具体用于控制所述通信单元1202接收来自所述终端设备的第二请求信息，所述第二请求信息中包括第二指示信息，所述第二指示信息用于更新所述第一需求等级；以及控制所述通信单元1202向所述终端设备发送第二需求等级，所述第二需求等级为更新后的第一需求等级。可选的，所述第二指示信息为第二需求等级。
一种可能的实现方式中，所述第一需求信息为第一需求参数，所述第一需求参数包括如下参数中一个或多个：最大重复次数、参考信号接收功率、覆盖增强等级、非连续接收周期、WUS使能标识、寻呼时机密度。
一种可能的实现方式中，所述终端设备的上下文存储于第一接入网设备中，所述终端 设备的上下文中存储有第一需求参数，所述接入网设备为第二接入网设备，所述处理单元1201具体用于控制所述通信单元1202从所述第一接入网设备中获取第一需求参数。
如图13所示为本申请实施例提供的装置1300，图13所示的装置可以为图12所示的装置的一种硬件电路的实现方式。该通信装置可适用于图5至图11所示的流程图中，执行上述方法实施例中终端设备或者接入网设备的功能或者核心网设备。为了便于说明，图13仅示出了该通信装置的主要部件。
图13所示的装置1300包括至少一个处理器1320，用于实现本申请实施例提供的图5至图11中任一方法。
装置1300还可以包括至少一个存储器1330，用于存储程序指令和/或数据。存储器1330和处理器1320耦合。本申请实施例中的耦合是装置、单元或模块之间的间接耦合或通信连接，可以是电性，机械或其它的形式，用于装置、单元或模块之间的信息交互。处理器1320可能和存储器1330协同操作。处理器1320可能执行存储器1330中存储的程序指令。所述至少一个存储器中的至少一个可以包括于处理器中。
在实现过程中，上述方法的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。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处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。为避免重复，这里不再详细描述。
应注意，本申请实施例中的处理器可以是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理电路(digital signal processor，DSP)、专用集成芯片(application specific integrated circuit，ASIC)、现场可编程门阵列(field programmable gate array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本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。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可以理解，本申请实施例中的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。
装置1300还可以包括通信接口1310，用于通过传输介质和其它设备进行通信，从而用于装置1300中的装置可以和其它设备进行通信。在本申请实施例中，通信接口可以是收发器、电路、总线、模块或其它类型的通信接口。在本申请实施例中，通信接口为收发器时，收发器可以包括独立的接收器、独立的发射器；也可以集成收发功能的收发器、或者是接口电路。
装置1300还可以包括通信线路1340。其中，通信接口1310、处理器1320以及存储器1330可以通过通信线路1340相互连接；通信线路1340可以是外设部件互连标准(peripheral component interconnect，简称PCI)总线或扩展工业标准结构(extended industry standard architecture，简称EISA)总线等。所述通信线路1340可以分为地址总线、数据总线、控制总线等。为便于表示，图13中仅用一条粗线表示，但并不表示仅有一根总线或一种类型的总线。
基于上述内容和相同构思，本申请提供一种通信装置，包括处理器和通信接口，所述通信接口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处理器或将来自所述处理器的信号发送给所述通信装置之外的其它通信装置，所述处理器通过逻辑电路或执行代码指令用于实现上述图5至图11所示的方法实施例的终端设备的功能，或图5至图11所示的方法实施例的接入网设备的功能，或图5至图11所示的方法实施例的核心网设备的功能。
基于上述内容和相同构思，本申请提供一种计算机可读存储介质，所述计算机可读存储介质中存储有计算机程序或指令，当所述计算机程序或指令被通信装置执行时，实现上述图5至图11所示的方法实施例的终端设备的功能，或图5至图11所示的方法实施例的接入网设备的功能，或图5至图11所示的方法实施例的核心网设备的功能。
基于上述内容和相同构思，本申请提供一种计算机程序产品，所述计算机程序产品包括计算机程序或指令，当所述计算机程序或指令被通信装置执行时，实现上述图5至图11所示的方法实施例的终端设备的功能，或图5至图11所示的方法实施例的接入网设备的功能，或图5至图11所示的方法实施例的核心网设备的功能。
基于上述内容和相同构思，本申请提供一种芯片，包括至少一个处理器和接口；所述接口，用于为所述至少一个处理器提供程序指令或者数据；所述至少一个处理器用于执行所述程序行指令，实现上述图5至图11所示的方法实施例的终端设备的功能，或图5至图11所示的方法实施例的接入网设备的功能，或图5至图11所示的方法实施例的核心网设备的功能。
基于上述内容和相同构思，本申请提供一种通信系统，包括上述图5至图11所示的方法实施例的中的终端设备，上述图5至图11所示的方法实施例的接入网设备，以及上述图5至图11所示的方法实施例的核心网设备。
本领域内的技术人员应明白，本申请的实施例可提供为方法、系统、或计算机程序产品。因此，本申请可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本申请可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、光学存储器等)上实施的计算机程序产品的形 式。
本申请是参照根据本申请的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。

Claims (30)

  1. 一种通信方法，其特征在于，包括：
    确定第一频域信息，所述第一频域信息是预设对应关系中与第一需求信息相对应的频域信息，所述第一需求信息用于指示与终端设备传输消息时的资源需求；
    在所述第一频域信息对应的资源上向所述终端设备发送第一消息。
  2. 如权利要求1所述的方法，其特征在于，所述第一消息用于寻呼所述终端设备。
  3. 如权利要求1或2所述的方法，其特征在于，所述第一需求信息是来自核心网设备或终端设备或第一接入网设备的需求信息。
  4. 如权利要求1至3任一项所述的方法，其特征在于，所述第一需求信息是第一需求等级，所述第一需求等级包括时延需求等级、覆盖需求等级、寻呼概率等级中一个或多个。
  5. 如权利要求1至3任一项所述的方法，其特征在于，所述第一需求信息是第一需求参数，所述第一需求参数包括如下参数中一个或多个：最大重复次数、参考信号接收功率、覆盖增强等级、非连续接收周期、唤醒信号WUS使能标识、寻呼时机密度。
  6. 如权利要求5所述的方法，其特征在于，所述方法还包括：
    接收来自所述终端设备的第一请求信息，所述第一请求信息中包括第一指示信息，所述第一指示信息用于更新所述第一需求参数；
    向所述终端设备发送第二需求参数，所述第二需求参数为更新后的第一需求参数。
  7. 如权利要求3所述的方法，其特征在于，所述终端设备处于无线资源控制RRC非激活态，所述第一需求信息是来自第一接入网设备的需求信息，包括：
    向所述第一接入网设备请求所述终端设备的上下文，所述终端设备的上下文中包括所述第一需求信息；
    接收来自所述第一接入网设备的所述终端设备的上下文。
  8. 如权利要求1至7任一项所述的方法，其特征在于，所述第一频域信息中频域资源对应的传输参数包括如下参数中一个或多个：最大重复次数、非连续接收周期、WUS使能标识、寻呼时机密度；
    所述在所述第一频域信息对应的资源上向所述终端设备发送第一消息，包括：
    在所述第一频域信息包括的所述频域资源上，使用所述频域资源对应的传输参数向所述终端设备发送所述第一消息。
  9. 一种通信方法，其特征在于，包括：
    确定第一频域信息，所述第一频域信息是预设对应关系中与第一需求信息相对应的频域信息，所述第一需求信息用于指示与接入网设备传输消息时的资源需求；
    在所述第一频域信息对应的资源上接收来自所述接入网设备的第一消息。
  10. 如权利要求9所述的方法，其特征在于，所述第一消息用于寻呼所述终端设备。
  11. 如权利要求9或10所述的方法，其特征在于，所述第一需求信息是第一需求等级，所述第一需求等级包括时延需求等级、覆盖需求等级、寻呼概率等级中一个或多个。
  12. 如权利要求9或10所述的方法，其特征在于，所述第一需求信息是第一需求参数，所述第一需求参数包括如下参数中一个或多个：最大重复次数、参考信号接收功率、覆盖增强等级、非连续接收周期、唤醒信号WUS使能标识、寻呼时机密度。
  13. 如权利要求12所述的方法，其特征在于，所述方法还包括：
    向所述接入网设备发送第一请求信息，所述第一请求信息中包括第一指示信息，所述第一指示信息用于更新所述第一需求参数；
    接收来自所述接入网设备的第二需求参数，所述第二需求参数为更新后的第一需求参数。
  14. 如权利要求9至13任一项所述的方法，其特征在于，所述第一频域信息中频域资源对应的传输参数包括如下参数中一个或多个：最大重复次数、非连续接收周期、WUS使能标识、寻呼时机密度；
    在所述第一频域信息对应的资源上接收来自所述接入网设备的第一消息，包括：
    在所述第一频域信息包括的所述频域资源上，使用所述频域资源对应的传输参数接收来自所述接入网设备的所述第一消息。
  15. 一种通信装置，其特征在于，包括：
    处理单元，用于确定第一频域信息，所述第一频域信息是预设对应关系中与第一需求信息相对应的频域信息，所述第一需求信息用于指示通信单元与终端设备传输消息时的资源需求；
    所述通信单元，用于在所述第一频域信息对应的资源上向所述终端设备发送第一消息。
  16. 如权利要求15所述的装置，其特征在于，所述第一消息用于寻呼所述终端设备。
  17. 如权利要求15或16所述的装置，其特征在于，所述第一需求信息是来自核心网设备或终端设备或第一接入网设备的需求信息。
  18. 如权利要求15至17任一项所述的装置，其特征在于，所述第一需求信息是第一需求等级，所述第一需求等级包括时延需求等级、覆盖需求等级、寻呼概率等级中一个或多个。
  19. 如权利要求15至17任一项所述的装置，其特征在于，所述第一需求信息是第一需求参数，所述第一需求参数包括如下参数中一个或多个：最大重复次数、参考信号接收功率、覆盖增强等级、非连续接收周期、唤醒信号WUS使能标识、寻呼时机密度。
  20. 如权利要求15至19任一项所述的装置，其特征在于，所述通信单元还用于接收来自所述终端设备的第一请求信息，所述第一请求信息中包括第一指示信息，所述第一指示信息用于更新所述第一需求参数；所述通信单元还用于向所述终端设备发送第二需求参数，所述第二需求参数为更新后的第一需求参数。
  21. 如权利要求17所述的装置，其特征在于，所述终端设备处于无线资源控制RRC非激活态，所述终端设备的上下文存储于第一接入网设备中，所述通信单元还用于向所述第一接入网设备请求所述终端设备的上下文，所述终端设备的上下文中包括所述第一需求信息；以及接收来自所述第一接入网设备的所述终端设备的上下文。
  22. 如权利要求15至21任一项所述的装置，其特征在于，所述第一频域信息中频域资源对应的传输参数包括如下参数中一个或多个：最大重复次数、非连续接收周期、WUS使能标识、寻呼时机密度；所述通信单元具体用于在所述第一频域信息包括的所述频域资源上，使用所述频域资源对应的传输参数向所述终端设备发送所述第一消息。
  23. 一种通信装置，其特征在于，包括：
    处理单元，用于确定第一频域信息，所述第一频域信息是预设对应关系中与第一需求信息相对应的频域信息，所述第一需求信息用于指示通信单元与接入网设备传输消息时的 资源需求；
    所述通信单元，用于在所述第一频域信息对应的资源上接收来自所述接入网设备的第一消息。
  24. 如权利要求23所述的装置，其特征在于，所述第一需求信息是第一需求等级，所述第一需求等级包括时延需求等级、覆盖需求等级、寻呼概率等级中一个或多个。
  25. 如权利要求23所述的装置，其特征在于，所述第一需求信息是第一需求参数，所述第一需求参数包括如下参数中一个或多个：最大重复次数、参考信号接收功率、覆盖增强等级、非连续接收周期、唤醒信号WUS使能标识、寻呼时机密度。
  26. 如权利要求25所述的装置，其特征在于，所述通信单元还用于向所述接入网设备发送第一请求信息，所述第一请求信息中包括第一指示信息，所述第一指示信息用于指示所述接入网设备更新所述第一需求参数；所述通信单元还用于接收来自所述接入网设备的第二需求参数，所述第二需求参数为更新后的第一需求参数。
  27. 如权利要求23至26任一项所述的装置，其特征在于，所述第一频域信息中频域资源对应的传输参数包括如下参数中一个或多个：最大重复次数、非连续接收周期、WUS使能标识、寻呼时机密度；所述通信单元具体用于在所述第一频域信息包括的所述频域资源上，使用所述频域资源对应的传输参数接收来自所述接入网设备的所述第一消息。
  28. 一种通信装置，其特征在于，包括处理器和通信接口，所述通信接口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处理器或将来自所述处理器的信号发送给所述通信装置之外的其它通信装置，所述处理器通过逻辑电路或执行代码指令用于实现如权利要求1至8中任一项所述的方法、或9至14中任一项所述的方法。
  29. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质中存储有计算机程序或指令，当所述计算机程序或指令被通信装置执行时，实现如权利要求1至8中任一项所述的方法、或9至14中任一项所述的方法。
  30. 一种计算机程序产品，其特征在于，所述计算机程序产品包括计算机程序或指令，当所述计算机程序或指令被通信装置执行时，实现如权利要求1至8中任一项所述的方法、或9至14中任一项所述的方法。
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