WO2021081736A1 - Procédé de communication, dispositif de réseau d'accès sans fil et dispositif terminal - Google Patents

Procédé de communication, dispositif de réseau d'accès sans fil et dispositif terminal Download PDF

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Publication number
WO2021081736A1
WO2021081736A1 PCT/CN2019/113921 CN2019113921W WO2021081736A1 WO 2021081736 A1 WO2021081736 A1 WO 2021081736A1 CN 2019113921 W CN2019113921 W CN 2019113921W WO 2021081736 A1 WO2021081736 A1 WO 2021081736A1
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WIPO (PCT)
Prior art keywords
paging
value
access network
network device
information
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PCT/CN2019/113921
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English (en)
Chinese (zh)
Inventor
余国华
郭宇洁
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201980100480.XA priority Critical patent/CN114402669A/zh
Priority to PCT/CN2019/113921 priority patent/WO2021081736A1/fr
Publication of WO2021081736A1 publication Critical patent/WO2021081736A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • This application relates to the field of communication technology, and more specifically, to a communication method, wireless access network equipment, and terminal equipment.
  • Paging can be used to notify the terminal equipment to establish a service; or, to notify the terminal equipment of changes in cell system information, so that the terminal equipment can re-read the changed system broadcast message; or, to notify the terminal equipment to receive an earthquake Tsunami warning system (earthquake and tsunami warning system, ETWS) information.
  • earthquake Tsunami warning system earthquake and tsunami warning system, ETWS
  • the sending and receiving timing of the paging message needs to be determined according to the paging parameters.
  • the radio access network device uses the paging parameters to calculate the paging timing, and uses the paging timing to send the paging message.
  • the terminal device uses the same paging parameter and calculation method to calculate the paging occasion, and receives the paging message at the paging occasion.
  • the paging parameters need to be manually configured in advance. After the configuration is completed, the radio access network device determines the paging occasion to send the paging message according to the configured paging parameters, and sends it on the paging occasion Paging message.
  • the existing paging mechanism will cause excessive paging time slot overhead and excessive paging energy consumption.
  • the embodiments of the present application provide a communication method, a radio access network device, and a terminal device, which are used to solve the problems of excessive paging time slot overhead and excessive paging energy consumption in the prior art.
  • an embodiment of the present application provides a communication method, which includes:
  • the radio access network device determines the value of the paging parameter according to the first information and the second information, and sends the value of the paging parameter to the terminal device.
  • the first information is used to indicate the peak value of paging messages from the core network device within the set time
  • the second information is used to indicate the paging capability of the radio access network device.
  • the peak value of paging messages from the core network device within the set time indicated by the first information can reflect the number of paging messages that need to be processed by the radio access network device
  • the paging capability indicated by the second information can reflect the number of paging messages that need to be processed by the radio access network device.
  • the radio access network device can determine the paging parameters that match the current system state. When the parameter determines the paging occasion, the paging occasion can be matched with the system state. Based on this, when the paging load is small, the radio access network device can take less paging opportunity to send paging messages, thereby significantly reducing the paging time slot and the overhead of paging energy consumption.
  • the radio access network device may determine the value of the paging parameter according to the first information, the second information, and the third information.
  • the third information is used to indicate the system load of the wireless access network device.
  • the third information can reflect the system load of the radio access network device, and the value of the paging parameter is determined in combination with the system load, so that the value of the paging parameter matches the system load.
  • the radio access network device determines the value of the paging parameter according to the first information and the second information.
  • the radio access network device is based on the first information and the second information. Re-determine the value of the paging parameter, so that the paging slot and paging capability can be reduced when the paging load is small.
  • the current system load of the radio access network equipment is already large, at this time, even if the paging load is small and the occupation of the paging slot is reduced, the original paging slot may also be used for data transmission. Support a large system load, and the system energy consumption cannot be reduced.
  • the radio access network device only re-determines the value of the paging parameter based on the first information and the second information when the system load is less than the first preset threshold, thereby determining the paging that matches the system load and the paging load
  • the value of the parameter to ensure that the adjustment of the value of the paging parameter can truly reduce the paging time slot and the overhead of paging energy consumption.
  • the radio access network device determines that the value of the paging parameter is the first value.
  • the foregoing first value may be smaller than the current value of the foregoing paging parameter.
  • the first paging parameter is determined. A value is less than the current value of the paging parameter, and paging is performed based on the first value, which can reduce time slot overhead and energy consumption overhead.
  • the radio access network device determines that the value of the paging parameter is the second value.
  • the foregoing second value may be greater than the current value of the foregoing paging parameter.
  • the second paging parameter is determined.
  • the second value is greater than the current value of the paging parameter, and paging is performed based on the largest value to avoid message delay caused by insufficient resources.
  • M may be 32.
  • an embodiment of the present application provides a communication method, which includes:
  • the radio access network device determines the value of the paging parameter according to the third information, and sends the value of the paging parameter to the terminal device.
  • the third information is used to indicate the system load of the wireless access network device.
  • the value of the paging parameter is determined according to the third information, which can meet the actual system load demand.
  • the access network device determines that the value of the foregoing paging parameter is a preset initial value.
  • the aforementioned preset initial value is the value of the paging parameter that satisfies the maximum system load.
  • the paging parameter includes at least one of the paging density N, the number of paging occasions Ns of each paging frame, and the number of beams S.
  • the radio access network may send a system information update message to the terminal device, and the system information update message is used to broadcast the value of the foregoing paging parameter.
  • the radio access network device after sending the value of the paging parameter to the terminal device, receives the first message sent by the core network device, and the first message It is used to instruct the wireless access network device to page the target terminal device.
  • the wireless access network device determines the paging occasion and beam for paging the target terminal device according to the value of the paging parameter and the identifier of the target terminal device, and according to the above
  • the paging occasion and beam of the target terminal device are paged, and a second message is sent to the target terminal device, and the second message is used to page the target terminal device.
  • an embodiment of the present application provides a communication method, including:
  • the terminal device receives the value of the paging parameter, and the value of the paging parameter is determined by the radio access network device according to the first information and the second information.
  • the first information is used to indicate the peak value of paging messages from the core network device within the set time
  • the second information is used to indicate the paging capability of the radio access network device.
  • the peak value of paging messages from the core network device within the set time indicated by the first information can reflect the number of paging messages that need to be processed by the radio access network device
  • the paging capability indicated by the second information can reflect the number of paging messages that need to be processed by the radio access network device.
  • the radio access network device can determine the paging parameters that match the current system state. When the parameter determines the paging occasion, the paging occasion can be matched with the system state. Based on this, when the paging load is small, the radio access network device can take less paging opportunity to send paging messages, thereby significantly reducing the paging time slot and the overhead of paging energy consumption.
  • the value of the paging parameter is determined by the radio access network device according to the first information, the second information, and the third information.
  • the third information is used to indicate the system load of the wireless access network device.
  • the third information can reflect the system load of the radio access network device, and the value of the paging parameter is determined in combination with the system load, so that the value of the paging parameter matches the system load.
  • an embodiment of the present application provides a communication method, including:
  • the terminal device receives the value of the paging parameter, and the value of the paging parameter is determined by the radio access network device according to the third information.
  • the third information is used to indicate the system load of the wireless access network device.
  • the paging parameter includes at least one of the paging density N, the number of paging occasions Ns of each paging frame, and the number of beams S.
  • the terminal device receives a system information update message, and the system information update message is used to broadcast the value of the foregoing paging parameter.
  • the foregoing method further includes: the terminal device determines the time to receive the second message according to the value of the paging parameter and the identifier of the terminal device, and, The paging message is received at the time when the paging message is received.
  • an embodiment of the present application provides a wireless access network device, including: a processing module and a sending module.
  • the processing module is used to determine the value of the paging parameter according to the first information and the second information, where the first information is used to indicate the peak value of the paging message from the core network device within a set time, and the second information is used to indicate the wireless The paging capability of the access network equipment.
  • the sending module is used to send the value of the paging parameter to the terminal device.
  • the processing module is specifically used for:
  • the value of the paging parameter is determined.
  • the third information is used to indicate the system load of the wireless access network device.
  • processing module is specifically used to:
  • the value of the paging parameter is determined according to the first information and the second information.
  • the processing module is specifically used for:
  • the ratio of the peak value of the paging message to the paging capability is less than a second preset threshold, it is determined that the value of the paging parameter is the first value.
  • the foregoing first value may be smaller than the current value of the foregoing paging parameter.
  • the processing module is specifically used for:
  • the ratio of the peak value of the paging message to the paging capability is greater than a third preset threshold, it is determined that the value of the paging parameter is the second value.
  • the foregoing second value is greater than the current value of the foregoing paging parameter.
  • M can be 32.
  • the beneficial effects of the radio access network equipment provided by the foregoing fifth aspect and the possible implementation manners of the fifth aspect may refer to the beneficial effects brought about by the foregoing first aspect and each possible implementation manner of the first aspect. This is not repeated here.
  • an embodiment of the present application provides a wireless access network device, including: a processing module and a sending module.
  • the processing module is used to determine the value of the paging parameter according to the third information.
  • the third information is used to indicate the system load of the wireless access network device.
  • the sending module is used to send the value of the above-mentioned paging parameter to the terminal device.
  • the processing module is specifically used for:
  • the value of the paging parameter is the preset initial value.
  • the foregoing preset initial value is a value of a paging parameter that meets the maximum system load.
  • the paging parameters include at least one of the paging density N, the number of paging occasions Ns of each paging frame, and the number of beams S. kind.
  • the sending module is specifically configured to:
  • the foregoing radio access network device further includes: a receiving module.
  • the receiving module is configured to receive a first message sent by the core network device, where the first message is used to instruct the radio access network device to page the target terminal device.
  • Processing module also used for:
  • the beneficial effects of the radio access network equipment provided by the foregoing sixth aspect and each possible implementation manner of the sixth aspect may refer to the beneficial effects brought about by the foregoing second aspect and each possible implementation manner of the second aspect. This is not repeated here.
  • an embodiment of the present application provides a terminal device, including: a receiving module.
  • the terminal device further includes a processing module.
  • the receiving module is configured to receive the value of the paging parameter, and the value of the paging parameter is determined by the radio access network device according to the first information and the second information.
  • the first information is used to indicate the peak value of paging messages from the core network device within the set time.
  • the second information is used to indicate the paging capability of the radio access network device.
  • the value of the foregoing paging parameter is determined by the radio access network device according to the first information, the second information, and the third information.
  • the above-mentioned third information is used to indicate the system load of the wireless access network device.
  • an embodiment of the present application provides a terminal device, including: a receiving module.
  • the terminal device further includes a processing module.
  • the receiving module is configured to receive the value of the paging parameter, and the value of the paging parameter is determined by the radio access network device according to the third information.
  • the foregoing third information is used to indicate the system load of the wireless access network device.
  • the above paging parameters include at least one of the paging density N, the number of paging occasions Ns of each paging frame, and the number of beams S .
  • the receiving module is specifically configured to:
  • a system information update message is received, and the system information update message is used to broadcast the value of the above-mentioned paging parameter.
  • the processing module is used to:
  • the time to receive the second message is determined.
  • the receiving module is also used for:
  • the paging message is received at the aforementioned time when the paging message is received.
  • an embodiment of the present application provides a wireless access network device, including a processor and a memory.
  • the memory is used to store computer executable program code, and the program code includes instructions.
  • the processor is configured to execute the foregoing instructions and execute the method described in the foregoing first aspect or the foregoing second aspect.
  • an embodiment of the present application provides a terminal device, including a processor and a memory.
  • the memory is used to store computer executable program code, and the program code includes instructions.
  • the processor is configured to execute the foregoing instructions, and execute the method described in the foregoing third aspect or the foregoing fourth aspect.
  • an embodiment of the present application provides a communication device, including a communication device for executing the methods provided in the foregoing first aspect or each possible implementation manner of the first aspect or the second aspect or each possible implementation manner of the second aspect.
  • the communication device may be a wireless access network device, or a module applied to a wireless access network device, for example, it may be a chip applied to a wireless access network device.
  • an embodiment of the present application provides a communication device, including a communication device for executing the methods provided in the foregoing third aspect or each possible implementation manner of the third aspect or the fourth aspect or the fourth aspect each possible implementation manner.
  • the communication device may be a terminal device or a module applied to the terminal device, for example, it may be a chip applied to the terminal device.
  • an embodiment of the present application provides a chip with a computer program stored on the chip, and when the computer program is executed by the chip, the first aspect or the possible implementation manners of the first aspect are implemented
  • the embodiments of the present application provide a computer program product containing instructions that, when run on a computer, enable the computer to execute the above-mentioned first aspect or the methods in the various possible implementations of the first aspect, or ,
  • an embodiment of the present application provides a computer-readable storage medium that stores instructions in the computer-readable storage medium, which when run on a computer, causes the computer to execute the first aspect or the first aspect described above.
  • the methods in various possible implementation manners, or the methods provided by the second aspect or the possible implementation manners of the second aspect, or the methods provided by the third aspect or the possible implementation manners of the third aspect, Or, the method provided by the fourth aspect or each possible implementation manner of the fourth aspect.
  • FIG. 1 is a schematic diagram of the architecture of a mobile communication system applied in an embodiment of the present application
  • Figure 2 is an example diagram of paging parameters of the NR mobile communication system
  • Fig. 3 is an interaction flow chart of sending paging messages based on paging parameters in the prior art
  • FIG. 4 is a schematic flowchart of a communication method provided by an embodiment of this application.
  • FIG. 5 is an example diagram of the paging density N determined after the load status changes
  • Fig. 6 is an example diagram of Ns determined after the load state changes
  • Fig. 7 is an example diagram of N and Ns determined after the load state changes
  • FIG. 8 is a schematic flowchart of determining the value of a paging parameter in the communication method provided by an embodiment of the application.
  • FIG. 9 is a flow chart of paging message interaction of the communication method provided by an embodiment of the application.
  • FIG. 10 is a schematic structural diagram of a radio access network device provided by an embodiment of this application.
  • FIG. 11 is a schematic structural diagram of another radio access network device provided by an embodiment of this application.
  • FIG. 12 is a schematic structural diagram of a terminal device provided by an embodiment of this application.
  • FIG. 13 is a schematic structural diagram of another terminal device provided by an embodiment of this application.
  • FIG. 14 is a schematic structural diagram of a radio access network device provided by an embodiment of this application.
  • FIG. 15 is a schematic structural diagram of a terminal device provided by an embodiment of the application.
  • FIG. 1 is a schematic diagram of the architecture of a mobile communication system applied in an embodiment of the present application.
  • the mobile communication system may include a core network device 110, a wireless access network device 120, and at least one terminal device (the terminal device 130 and the terminal device 140 in FIG. 1).
  • the terminal device is connected to the wireless access network device 120 in a wireless manner
  • the wireless access network device 120 is connected to the core network device 110 in a wireless or wired manner.
  • the core network device 110 and the radio access network device 120 can be separate and different physical devices, or the functions of the core network device 110 and the logical functions of the radio access network device 120 can be integrated on the same physical device.
  • the terminal device can be a fixed location, or it can be movable.
  • FIG. 1 is only a schematic diagram.
  • the mobile communication system may also include other wireless access network devices, such as wireless relay devices and wireless backhaul devices, which are not shown in FIG. 1.
  • the embodiment of the present application does not limit the number of core network equipment 110, radio access network equipment 120, and terminal equipment included in the mobile communication system.
  • the core network (CN) device 110 may be different devices in different mobile communication systems.
  • a service support node serving GPRS support node, SGSN
  • general packet radio service technology general packet radio service, GPRS
  • gateway support node gateway support node
  • MME mobility management entity
  • S-GW serving gateway
  • 4G mobile communication system it can be an access and mobility management function in a 5G mobile communication system ( access and mobility management function (AMF) network element, or session management function (session management function, SMF) network element or user plane function (UPF) network element.
  • AMF access and mobility management function
  • SMF session management function
  • UPF user plane function
  • the wireless access network device 120 is an access device that a terminal device connects to the mobile communication system in a wireless manner. It can be a global system for mobile communication (GSM) or code division multiple access. , CDMA)
  • the specific technology and specific device form adopted by the network access device 120 are not limited. In the embodiments of this application, the terms 5G and
  • Terminal equipment can also be called terminal (terminal), user equipment (UE), mobile station (mobile station, MS), mobile terminal (mobile terminal, MT), access terminal, UE unit, UE station, mobile station , Remote station, remote terminal, mobile equipment, UE terminal, wireless communication equipment, UE agent or UE device, etc.
  • Terminal devices can be mobile phones, tablets, computers with wireless transceiver functions, virtual reality (VR) terminal devices, augmented reality (AR) terminal devices, industrial control (industrial control) Wireless terminals in ), wireless terminals in unmanned driving (self-driving), wireless terminals in remote medical surgery, wireless terminals in smart grid (smart grid), wireless terminals in transportation safety (transportation safety) Terminals, wireless terminals in smart cities, wireless terminals in smart homes, cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless local loops , WLL) station, personal digital assistant (PDA), handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in the future 5G network or Terminals in the public land mobile network (PLMN) network that will evolve in the future.
  • VR virtual reality
  • AR augmented reality
  • industrial control industrial control
  • Wireless terminals in wireless terminals in unmanned driving (self-driving)
  • wireless terminals in remote medical surgery wireless
  • the wireless access network device 120 and terminal devices can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; they can also be deployed on the water; they can also be deployed on aircraft, balloons, and satellites in the air.
  • the embodiment of the present application does not limit the application scenarios of the wireless access network device 120 and the terminal device.
  • the wireless access network device 120 and the terminal device may communicate through a licensed spectrum, or communicate through an unlicensed spectrum, or communicate through a licensed spectrum and an unlicensed spectrum at the same time.
  • the wireless access network device 120 and the terminal device can communicate through the frequency spectrum below 6 gigahertz (gigahertz, GHz), or communicate through the frequency spectrum above 6 GHz, and can also use the frequency spectrum below 6 GHz and the frequency spectrum above 6 GHz at the same time. To communicate.
  • the embodiment of the present application does not limit the spectrum resource used between the radio access network device 120 and the terminal device.
  • Paging is used to notify terminal equipment to establish services; or, to notify terminal equipment that cell system information has changed, so that terminal equipment can read the changed system broadcast message again; or, to notify terminal equipment to receive ETWS information .
  • the terminal device in the idle state or the terminal device in the inactive state may be notified.
  • the terminal device in the idle state refers to a terminal device that resides in a cell under the wireless access network device but has not established a connection with the wireless access network device.
  • a terminal device in the inactive state refers to a terminal device that maintains a connection with the core network device but has not entered the active state.
  • the paging process is completed through the interaction of core network equipment, wireless access network equipment, and terminal equipment.
  • the wireless access network equipment uses a preset calculation method based on the paging parameters and terminal equipment identification
  • the paging occasion and beam for sending the paging message are determined, and the determined beam is used to send the paging message at the paging occasion.
  • the terminal device determines the paging occasion to receive the paging message according to the same paging parameters, terminal device identification and the same calculation method as the radio access network, and receives the paging message on the determined beam of the paging occasion.
  • paging parameters include but are not limited to: paging cycle T, paging density N, paging occasion (PO) number Ns per paging frame (PF), synchronization signal block (synchronization signal block) , SSB)
  • the number of beams S may be a discontinuous reception (DRX) cycle.
  • the paging density N may refer to the number of PFs in a paging cycle T.
  • One PF can be one radio frame, or one PF can also span radio frames. For example, one PF can include 2 radio frames.
  • Fig. 2 is an example diagram of paging parameters of the NR mobile communication system. As shown in Fig. 2, in a paging cycle T, one offset PF_offset and N PFs may be included.
  • PF_offset represents the offset (also called offset) of the paging frame, which is used to adjust the position of the paging frame in the paging cycle.
  • N may be half of the number of frames contained in T.
  • a PF includes Ns POs. Ns may be 4, for example. If Ns is 4, and assuming that the PF includes 2 radio frames, in the NR mobile communication system, a radio frame can include 20 time slots, so a PO can include 10 time slots.
  • S beams can be used in each PO to send paging messages. S may be 7, for example. As shown in Figure 2, among the 10 time slots of each PO, 7 time slots can be used for downlink transmission. If S is 7, it can be used on a specific symbol of each time slot used for downlink transmission.
  • a beam in a specific direction sends a paging message.
  • the beam in one direction is used to send paging messages on the 4th to 6th symbols of time slot 1
  • the beam in the other direction is used to send paging messages on the 4th to 6th symbols of time slot 2.
  • Paging messages, and so on, so that the S beams are used to send paging messages in different directions.
  • the value of the paging parameter shown in FIG. 2 is only an example, and should not be used as a limitation to the embodiment of the present application.
  • the radio access network device uses a preset calculation method to determine the paging timing to issue a paging message based on the aforementioned paging parameters and terminal device identification, as described below One possible way of calculation.
  • the radio access network equipment uses the following formula (1) to calculate the PF of the paging terminal equipment:
  • SFN represents a system frame number (SFN)
  • PF_offset represents an offset (also referred to as an offset) of a paging frame, which is used to adjust the position of the paging frame in the paging cycle.
  • T represents the paging cycle T in the aforementioned paging parameter, and the value of T is the smaller of the DRX broadcast by the system message and the DRX indicated in the paging message.
  • nB represents the total number of PFs in a paging cycle
  • nB is a high-level configuration parameter.
  • the radio access network device can broadcast nB to the terminal device through a system message.
  • the value of nB can be any of 4T, 2T, T, T/2, T/4, T/8, T/16, T/32, etc., for example.
  • IMSI is the international mobile subscriber identification number (IMSI) of the terminal device.
  • div is the divisor function.
  • the mod function is a remainder function, (SFN+PF_offset) mod T represents the remainder after dividing (SFN+PF_offset) and T.
  • the radio access network equipment uses the following formula (2) and Table 1 to calculate the PO of the specific paging terminal equipment:
  • i_s floor(UE_ID/N)mod Ns (2)
  • i_s represents the index of PO
  • Ns represents the number of paging occasions Ns of each paging frame in the aforementioned paging parameters
  • Ns max(1,nB/T), that is, Ns is 1 and nB/T
  • floor() is a round-down function.
  • the PO is determined according to i_s based on PF.
  • the radio access network device can further determine which beams to use on which symbols in the PO according to information such as the number of SSB beams S in the aforementioned paging parameters Send a paging message.
  • the terminal device side can use the foregoing calculation method to determine how to receive the paging message, which will not be repeated here.
  • Fig. 3 is an interaction flow chart of sending paging messages based on paging parameters in the prior art. As shown in Fig. 3, the process of sending paging messages based on paging parameters includes:
  • the radio access network device manually configures paging parameters.
  • the wireless access device can configure paging parameters through manual configuration during system initialization and other stages. For example, the value of each paging parameter may be manually input, and the radio access network device saves the value of each paging parameter input by the user.
  • the radio access network device determines the timing and beam to send the paging message according to the configured fixed paging parameters in the subsequent paging process, no matter how the system status changes. Until the paging parameters are adjusted again through manual configuration.
  • the system state of the radio access network in the embodiment of the present application may refer to the system load, paging load, etc. of the radio access network.
  • the paging load may refer to the peak value of paging messages received from the core network device within a set time of the radio access network device.
  • the radio access network device broadcasts the foregoing paging parameters to the terminal device through a system information block 1 (SIB1) message.
  • SIB1 system information block 1
  • the terminal device receives the paging parameters.
  • the terminal device determines its own PF and PO based on the paging parameter and the identification of the terminal device.
  • the terminal device starts the DRX receiving mode.
  • the terminal device in each paging cycle T, has one and only one PF and PO for receiving paging messages.
  • the core network device sends a paging message to the radio access network device.
  • the radio access network device uses the foregoing calculation method to determine the PF and PO for sending the paging message.
  • the radio access network device sends a paging message on the determined PO.
  • the paging parameters are manually configured in advance. After the configuration is completed, no matter how the system status changes, the radio access network devices follow the configured paging parameters.
  • the paging parameters determine when to send paging messages.
  • the core network device sends a paging message, it needs to be delivered in all the cells within the tracing area (TA).
  • TA tracing area
  • the number of paging messages to be delivered by the core network is huge.
  • the paging parameters need to be configured to meet the maximum paging load. Among them, the paging load can be used to indicate the peak value of the paging message of the core network device. The following two problems arise.
  • the paging slot overhead is too large.
  • the radio access network uses all downlink time slots to send paging messages.
  • a PO contains 10 time slots, including 6 downlink time slots.
  • slot, represented by D in Figure 2) 3 uplink time slots (uplink slot, represented by U in Figure 2), 1 special slot (special slot, represented by S in Figure 2), S can be used as a downlink time slot Therefore, there can be 7 downlink time slots in a PO, and the 7 downlink time slots are all used to send paging messages.
  • the above downlink frame ratio is 1:4 as an example.
  • the proportion of the downlink time slots occupied by the paging slots (referred to as the proportion of paging slots) is calculated according to the following formula (3):
  • Proportion of paging slots N*Ns*S/T total number of downlink slots in the cycle (3)
  • the paging cycle T is 128 radio frames
  • the paging density N is 64
  • the number of SSB beams is 7.
  • the paging time slot accounts for 21.88%. It can be seen that in all the downlink time slots, 21.88% of the time slots are used to send paging messages, and the overhead of the paging time slot is relatively high.
  • the radio access network determines the paging occasion based on the paging parameters and the identification of the terminal device.
  • the radio access network device needs to send a paging message at the determined paging occasion.
  • the parameters are manually pre-configured, and the paging occasions thus determined are fixed occasions. Even when the paging load is small, these paging occasions still cannot sleep, which results in high energy consumption for paging in the radio access network.
  • the embodiments of the present application provide a communication method that dynamically determines paging parameters matching the current system state according to the peak value of paging messages of core network equipment and the paging capability of the radio access network.
  • the device and the terminal device respectively determine the timing of sending and receiving paging messages according to the paging parameters, so that the paging timing matches the system state, and the paging time slot can be reduced when the paging load is low, so as to reduce paging. Time slot and paging energy consumption overhead.
  • the method in the embodiments of the present application can be applied to any mobile communication system, such as an LTE communication system, an NR communication system, and other future communication systems.
  • FIG. 4 is a schematic flowchart of a communication method provided by an embodiment of this application. This embodiment relates to a process in which a radio access network device dynamically adjusts paging parameters based on the first information and the second information. As shown in Figure 4, the method includes:
  • the radio access network device determines the value of the paging parameter according to the first information and the second information.
  • the above-mentioned first information is used to indicate the peak value of the paging message from the core network device within the set time.
  • the radio access network device can execute this embodiment according to a set period.
  • the radio access network device can execute this embodiment every 5 minutes, and the set period is 5 minutes. , The above set time is 5 minutes.
  • the radio access network device continuously monitors the number of paging messages sent by the core network device to the radio access network device in each unit time, and the unit time may be, for example, seconds.
  • the set period ends, the maximum value of the number of paging messages in the unit time is obtained, and the maximum value is used as the peak value of the paging messages in the current period.
  • the paging message peak value may also be referred to as the paging load of the radio access network device in the current cycle.
  • the foregoing second information is used to indicate the paging capability of the radio access network device.
  • the above-mentioned paging capability may refer to the number of terminal devices that the radio access network device can carry paging to it in a unit time, and the unit may be, for example, seconds. It should be understood that the unit time here may be the same as or different from the unit time for monitoring the number of paging messages sent by the core network device, which is not limited in the embodiment of the present application.
  • the radio access network device can calculate the paging capability of the radio access network device through the following formula (4).
  • X represents the paging capability
  • N represents the paging density N
  • Ns represents the number of POs in each PS
  • Ns represents the number of multiple terminal devices that can be paged by one paging message
  • T represents the paging cycle T.
  • the foregoing M may be 32, that is, the radio access network device can simultaneously page 32 terminal devices through one paging message.
  • the peak value of paging messages from the core network device within the set time indicated by the first information can reflect the number of paging messages that need to be processed by the radio access network device, and the paging indicated by the second information
  • the capability can reflect the number of paging messages that the access network equipment can process in a unit time.
  • the radio access network equipment can determine the paging parameters that match the current system status. When the paging parameter determines the paging occasion, it can make the paging occasion match the system state.
  • the value of the paging parameter determined through the above process may be the same as the value of the paging parameter currently being used by the radio access network device, or may be the same as the value of the paging parameter currently being used by the radio access network device. The value is different.
  • the radio access network device updates the value of the paging parameter stored locally, thereby completing the adjustment of the value of the paging parameter, and executes the following steps to send the value of the paging parameter.
  • the radio access network device does not perform subsequent steps until the value of the paging parameter determined in a subsequent processing cycle changes.
  • the radio access network device sends the value of the foregoing paging parameter to the terminal device.
  • the radio access network device may broadcast the value of the paging parameter to the terminal device through a system information update message.
  • the above system information update message may be a SIB1 message.
  • the radio access network device when the radio access network device broadcasts the value of the paging parameter to the terminal device, it may broadcast the paging parameter to the terminal device of each cell of the radio access network device.
  • both the radio access network device and the terminal device save the paging parameter matching the system state.
  • the radio access network device receives the paging message from the core network device, it determines the paging occasion to send the paging message based on the paging parameters, and sends the paging message. The specific process will be described in detail in the following embodiments.
  • the peak value of paging messages from the core network device within the set time indicated by the first information can reflect the number of paging messages that need to be processed by the radio access network device
  • the paging capability indicated by the second information can reflect the number of paging messages that need to be processed by the radio access network device.
  • the radio access network device can determine the paging parameters that match the current system state. When the parameter determines the paging occasion, the paging occasion can be matched with the system state. Based on this, when the paging load is small, the radio access network device can take less paging opportunity to send paging messages, thereby significantly reducing the paging time slot and the overhead of paging energy consumption.
  • any one of the following methods can be used for determination.
  • the radio access network device may determine the value of the paging parameter only based on the foregoing first information and second information.
  • the radio access network device does not consider other factors, and only determines the value of the paging parameter based on the foregoing first information and second information.
  • This method can quickly determine the value of the paging parameter that matches the paging load based on the first information and the second information.
  • the radio access network device may determine the value of the paging parameter according to the foregoing first information, second information, and third information.
  • the above-mentioned third information is used to indicate the system load of the wireless access network device.
  • the system load of the radio access network device may refer to the number and occupancy rate of resource blocks (resource block, RB) in the radio access network device.
  • the aforementioned system load may also refer to the CPU usage rate and memory usage rate of the wireless access network device.
  • the radio access network device can continuously monitor the system load of the radio access network device while monitoring the number of paging messages of the core network device as described above.
  • the system load may refer to the peak value of the system load of the wireless access network device per unit time within the aforementioned set time, that is, in each cycle.
  • the unit time may be the same as the unit time for monitoring the number of paging messages of the core network device.
  • the radio access network device determines the value of the paging parameter according to the first information, the second information, and the third information, it can be processed as follows:
  • the radio access network device determines the value of the paging parameter according to the first information and the second information.
  • the radio access network device re-determines the search based on the first information and the second information.
  • the value of the paging parameter can reduce the paging slot and paging capability when the paging load is small.
  • the radio access network device only re-determines the value of the paging parameter based on the first information and the second information when the system load is less than the first preset threshold, thereby determining the paging that matches the system load and the paging load
  • the value of the parameter to ensure that the adjustment of the value of the paging parameter can truly reduce the paging time slot and the overhead of paging energy consumption.
  • an exemplary process for judging whether the system load is less than the foregoing first preset threshold includes:
  • the following describes the specific process of determining the value of the paging parameter according to the first information and the second information in the above two optional manners.
  • the first information may indicate the peak value of paging messages from the core network device within a set time
  • the second information may indicate the paging capability of the radio access network device.
  • the value of the paging parameter may be determined according to the ratio of the peak value of the paging message indicated by the first information to the paging capability indicated by the second information. Specifically, it can be done in the following two optional ways.
  • the radio access network device determines that the ratio of the paging message peak value to the paging capability is less than a second preset threshold, the radio access network device determines that the value of the paging parameter is the first value.
  • the foregoing first value is less than the current value of the paging parameter.
  • the above paging message peak refers to the peak value of paging messages sent by the core network device to the radio access network device
  • the above paging capability refers to the amount of paging that the radio access network device can carry within a unit time.
  • the number of terminal devices, the ratio of the above-mentioned paging message peak value to the above-mentioned paging capability can characterize the load status of the radio access network equipment for paging.
  • the embodiment of the present application may divide the load state used for paging into a normal state, a light load state, and a no-load state. Each state corresponds to a ratio range of the above ratio.
  • the ratios in the corresponding range of the light load state are all smaller than the ratios in the corresponding range of the normal state, and the ratios in the corresponding range of the no-load state are all smaller than the ratios in the corresponding range of the light load state.
  • the load state is the normal state, the light load state, and the no-load state as examples for description. However, it should be understood that this is not a limitation to the embodiments of the present application.
  • a set of second preset thresholds and first values can be respectively corresponded. That is, under different load conditions, the second preset threshold value may be different, and the first value may also be different.
  • the radio access network device determines that the ratio of the paging message peak value to the paging capability is less than a second preset threshold, and the second preset threshold is the light load Therefore, the radio access network device can determine that the light load state is currently entered, and further, the radio access network device determines that the value of the paging parameter is the first value in the light load state.
  • the first value is smaller than the first value of the radio access network device in the normal state before entering the light load state, that is, the value of the paging parameter in the normal state.
  • the radio access network device determines that the ratio of the paging message peak value to the paging capability is less than another second preset threshold, and the second preset threshold is The threshold value of the no-load state, therefore, the radio access network device can determine that the current no-load state is entered, and further, the radio access network device determines that the value of the paging parameter is the first value in the no-load state.
  • the first value is smaller than the first value of the radio access network device in the light load state before entering the no load state, that is, the value of the paging parameter in the light load state.
  • the following takes the above-mentioned transition from the normal state to the light-load state and from the light-load state to the no-load state as examples to illustrate the specific process when the wireless access network device determines the above-mentioned first value.
  • the paging parameters may include: paging cycle T, paging density N, the number of POs per PF Ns, and the number of SSB beams S.
  • the foregoing first value may include one or any combination of the foregoing parameters. Several possible first values are listed below. It should be understood that the foregoing first value may also be other than the following situations.
  • the first value only includes the paging density N
  • the radio access network device judges that it enters the light load state from the normal state, it only determines that the paging density N is the paging density in the light load state, and/or judges that it enters the empty state from the light load state. After the load state, only the paging density N is determined as the paging density in the no-load state.
  • Figure 5 is an example diagram of the paging density N determined after the load status changes.
  • the paging density N is the number of radio frames in the paging cycle T.
  • the paging density N is one-fourth of the radio frames in the paging cycle T.
  • the paging density N is one-eighth of the radio frames in the paging cycle T.
  • the paging density N decreases accordingly to match the current system state .
  • the first value only includes the PO number Ns of each PF
  • the wireless access network device After the wireless access network device judges that it enters the light-load state from the normal state, it only determines that Ns is the Ns in the light-load state, and/or, after judging that the light-load state enters the no-load state, only Make sure that Ns is the Ns in the no-load state.
  • FIG. 6 is an example diagram of Ns determined after the load state changes. As shown in FIG. 6, when the wireless access network device is in the normal state, Ns is 4. When the wireless access network device enters the light load state from the normal state, Ns is 2. When the wireless access network device enters the no-load state from the light-load state, Ns is 1.
  • the first value only includes the number of SSB beams S
  • the wireless access network device After the wireless access network device judges that it enters the light-load state from the normal state, it only determines that S is the S in the light-load state, and/or, after judging that it enters the no-load state from the light-load state, only Make sure that S is the S in the no-load state.
  • S in the normal state, S is 7.
  • S 4 beams are used for transmission in each PO Paging message.
  • the first value includes the paging density N and the number of POs per PF Ns
  • the wireless access network device judges that it enters the light-load state from the normal state, it determines that N is the N in the light-load state and determines that Ns is the Ns in the light-load state, and/or judges that it is the light-load state.
  • the loaded state enters the no-load state, it is determined to be N in the no-load state and Ns is determined to be the Ns in the no-load state.
  • Fig. 7 is an example diagram of N and Ns determined after the load state changes.
  • the paging density N is two of the radio frames in the paging cycle T. One part, at the same time, Ns is 4.
  • the paging density N is a quarter of the radio frames in the paging cycle T, and at the same time, Ns is 2.
  • the paging density N is one-eighth of the radio frames in the paging cycle T, and Ns is 1.
  • the aforementioned first value is less than the current value of the paging parameter, which specifically includes: the paging density N is less than the paging density N of the current year, and at the same time, Ns is less than the current Ns.
  • the first value includes the paging density N, the number of POs per PF Ns, and the number of SSB beams S
  • the wireless access network device judges that it enters the light load state from the normal state, it determines that N is N in the light load state, Ns is Ns in the light load state, and S is Ns in the light load state. And/or, after judging that the light-load state enters the no-load state, it is determined that N in the no-load state, Ns is Ns in the no-load state, and S is Ns in the no-load state.
  • the aforementioned first value is less than the current value of the paging parameter, which specifically includes: the paging density N is less than the paging density N of the current year, and at the same time, Ns is less than the current Ns, and at the same time, the number of SSB beams The number S is smaller than the current number S of SSB beams.
  • the radio access network device determines the first value, it may use any one of the foregoing first values, or may also use a combination thereof.
  • the radio access network device determines that the aforementioned ratio is less than the second preset threshold for entering the light-load state, the determined first value only includes the paging density N, and when it is judged that the aforementioned ratio is less than that of entering the no-load state When the second preset threshold is used, the determined first value only includes the paging density N.
  • the radio access network device when the radio access network device enters the light load state from the normal state and enters the no-load state from the light load state, only the paging density N is reduced, that is, only the paging density N is reduced to reduce the paging time.
  • the baseline configuration of the radio access network equipment is: the uplink and downlink frame ratio is 1:4, the paging cycle T is 128 radio frames, the paging density N is 64, the number of POs in each PF Ns is 1, and the number of SSB beams is 1 The number is 7.
  • the paging parameters are the same as the parameters of the aforementioned baseline configuration. Based on the aforementioned formula (3), it can be obtained that the proportion of the paging time slot in the normal state is 87.55%.
  • the radio access network device After entering the light-load state from the normal state, the radio access network device determines that N is N in the light-load state, and the value is 32. Based on the aforementioned formula (3), the proportion of the paging time slot in the light-load state can be obtained Is 43.75%.
  • the radio access network equipment After entering the no-load state from the light-load state, the radio access network equipment determines that N is N in the no-load state, with a value of 16. Based on the aforementioned formula (3), the paging time slot occupancy in the no-load state can be obtained. The ratio is 21.88%.
  • the radio access network device determines that the above ratio is less than the second preset threshold for entering the light load state
  • the determined first value includes the PO number Ns of each PF.
  • the second preset threshold is set for the state, the determined first value includes the PO number Ns of each PF.
  • the radio access network device when the radio access network device enters the light load state from the normal state, or enters the no-load state from the light load state, only the Ns is reduced, that is, the paging time slot and paging energy consumption are reduced only by reducing the Ns. s expenses.
  • the baseline configuration of the radio access network device is: the uplink and downlink frame ratio is 1:4, the paging cycle T is 128 radio frames, the number of POs in each PF is 4, and the number of SSB beams is 7.
  • the paging density N has been reduced from 64 in the baseline configuration to 16.
  • the radio access network device determines that the above ratio is less than the second preset threshold for entering the light-load state
  • the determined first value includes the number of SSB beams S.
  • the determined first value includes the number S of SSB beams.
  • the baseline configuration of the radio access network device is: the uplink and downlink frame ratio is 1:4, the paging cycle T is 128 radio frames, and the number of SSB beams is 7.
  • the paging density N has been reduced from 64 in the baseline configuration to 16, and Ns has been reduced from 4 in the baseline configuration to 1.
  • the radio access network device determines that the aforementioned ratio is less than the second preset threshold for entering the light-load state
  • the determined first value includes the paging density N, and when it is judged that the aforementioned ratio is less than the first threshold for entering the no-load state, 2.
  • the threshold is preset
  • the determined first value includes the PO number Ns of each PF.
  • the radio access network device when the radio access network device enters the light load state from the normal state, only the paging density N is reduced, and when it enters the no-load state from the light load state, only Ns is reduced, that is, by reducing N and Ns at different stages. To reduce the overhead of paging time slot and paging energy consumption.
  • the radio access network device determines that the aforementioned ratio is less than the second preset threshold for entering the light-load state
  • the determined first value includes the paging density N and the number of POs per PF Ns.
  • the determined first value includes the number S of SSB beams.
  • N and Ns are reduced at the same time, and when the radio access network device enters the no-load state from the light load state, only S is reduced, that is, by reducing N, Ns, and Ns at different stages. S to reduce the overhead of paging time slot and paging energy consumption.
  • the radio access network device determines that the ratio of the paging message peak value to the paging capability is greater than a third preset threshold, the radio access network device determines that the paging parameter is the second value.
  • the foregoing second value is greater than the current value of the paging parameter.
  • the description is continued by taking the load state including the normal state, the light load state and the no-load state as examples.
  • a set of third preset thresholds and second values can be respectively corresponded. That is, under different load conditions, the third preset threshold may be different, and the second value may also be different.
  • the radio access network device determines that the ratio of the peak value of the paging message to the paging capability is greater than a third preset threshold, and the third preset threshold is Therefore, the radio access network device can determine that the current light load state is entered, and further, the radio access network device determines that the value of the paging parameter is the second value in the light load state.
  • the second value is greater than the second value of the radio access network device in the no-load state before entering the light-load state, that is, the value of the paging parameter in the no-load state.
  • the radio access network device determines that the ratio of the paging message peak value to the paging capability is greater than another third preset threshold, and the third preset threshold is entered
  • the radio access network device can determine that it is currently in the normal state, and further, the radio access network device determines that the value of the paging parameter is the second value in the normal state.
  • the second value is greater than the second value in the light load state before the radio access network device enters the normal state, that is, the value of the paging parameter in the light load state.
  • the above-mentioned first value in the light-load state and the above-mentioned second value in the light-load state may be the same value.
  • the following takes the above-mentioned transition from the normal state to the light-load state and from the light-load state to the no-load state as examples to illustrate the specific process when the wireless access network device determines the above-mentioned second value.
  • the paging parameters may include: paging cycle T, paging density N, the number of POs per PF Ns, and the number of SSB beams S.
  • the aforementioned second value may include one or any combination of the aforementioned parameters.
  • the parameter included in the second value may be one of the several situations listed in the foregoing description of the first value.
  • the first value only includes the paging density N and so on.
  • the above-mentioned second value may also be other parameter combinations, which will not be repeated here.
  • the radio access network device when the radio access network device determines the second value, it may use any of the foregoing second values, or may also use a combination thereof.
  • the radio access network device determines that the above ratio is greater than the third preset threshold for entering the light load state, the determined second value only includes the paging density N, and when it is determined that the above ratio is greater than the first threshold for entering the normal state When three preset thresholds are used, the determined second value only includes the paging density N.
  • the radio access network device when the radio access network device enters the light load state from the no-load state, and when it enters the normal state from the light load state, only the paging density N is increased, that is, the paging density N is only increased to meet the actual paging density. Call load demand.
  • the determined second value when the radio access network device judges that the above ratio is greater than the third preset threshold for entering the light load state, the determined second value includes the PO number Ns of each PF. When it is judged that the above ratio is greater than entering the normal state When the third preset threshold of, the determined second value includes the PO number Ns of each PF.
  • the determined second value when the radio access network device determines that the above ratio is greater than the third preset threshold for entering the light load state, the determined second value includes the number S of SSB beams, and when it is determined that the above ratio is greater than the first threshold for entering the normal state When three preset thresholds are used, the determined second value includes the number S of SSB beams.
  • the radio access network device when the radio access network device enters the light-load state from the no-load state and enters the normal state from the light-load state, it only raises S, that is, only raises S to meet the actual paging load demand.
  • the determined second value when the radio access network device judges that the aforementioned ratio is greater than the third preset threshold for entering the light load state, the determined second value includes the PO number Ns of each PF. When it is judged that the aforementioned ratio is greater than entering the normal state When the third preset threshold of, the determined second value includes the paging density N.
  • the determined second value when the radio access network device determines that the above ratio is greater than the third preset threshold for entering the light load state, the determined second value includes the number of SSB beams S, and when it is determined that the above ratio is greater than the first threshold for entering the normal state
  • the determined second value when three preset thresholds are used, the determined second value includes the paging density N and the number of POs Ns for each PF.
  • the radio access network device when the radio access network device enters the light-load state from the no-load state, only raises S, and when it enters the normal state from the light-load state, it raises N and Ns at the same time, that is, by raising N, Ns, and Ns at different stages. S to meet the actual paging load demand.
  • the radio access network device determines the value of the paging parameter only based on the first information and the second information, and determines the value of the paging parameter based on the first information, the second information, and the third information.
  • the radio access network device determines the value of the paging parameter according to the first information, the second information, and the third information, as an optional way, only when the system load indicated by the third information is less than the first preset threshold value according to the first
  • the information and the second information re-determine the value of the paging parameter, so that the value of the paging parameter is reduced when the load state of the radio access network device changes from heavy to light, so as to reduce the overhead of paging time slot and paging energy consumption , And to increase the value of the paging parameter when the load state of the radio access network device changes from light to heavy, so as to meet the actual paging load demand.
  • the radio access network device detects that the current system load is restored to be greater than or equal to the first preset threshold. In this case, the radio access network device can determine the value of the paging parameter It is the preset initial value.
  • the preset initial value may be a value of a paging parameter that satisfies the maximum system load.
  • the paging parameter is restored to the preset initial value to meet the actual system load demand.
  • the preset initial value may be the same as or different from the aforementioned first value or second value under a certain load state.
  • the above preset initial value can be equal to the first value in the normal state, and at the same time, the first value in the normal state is equal to the second value in the normal state .
  • the following describes the process of determining the value of the paging parameter based on the first information, the second information, and the third information, and based on the third information, through a completed process.
  • FIG. 8 is a schematic diagram of the flow of determining the value of the paging parameter in the communication method provided by an embodiment of the application. As shown in FIG. 8, the paging parameter is determined based on the first information, the second information, and the third information, and the third information is used.
  • the value process includes:
  • the radio access network device continuously monitors the system load and the peak value of paging messages.
  • step S802 If the system load is less than the first preset threshold, perform step S803; otherwise, perform step S808.
  • step S803 If the ratio of the peak value of the paging message to the paging capability is less than the second preset threshold, step S804 is executed; otherwise, step S805 is executed.
  • S804 Determine that the value of the paging parameter is the first value.
  • step S805 If the ratio of the peak value of the paging message to the paging capability is greater than the third preset threshold, step S806 is executed; otherwise, step 807 is executed.
  • S806 Determine that the value of the paging parameter is the second value.
  • S808 Maintain or restore the value of the paging parameter to a preset initial value.
  • the above embodiments illustrate the process of determining the value of the paging parameter by the radio access network.
  • the paging message can be sent and received according to the following procedure.
  • Fig. 9 is a flow chart of paging message interaction of the communication method provided by an embodiment of the application. As shown in Fig. 9, the paging message interaction process includes:
  • the core network device sends a first message to the radio access network device, where the first message is used to instruct the radio access network device to page the target terminal device.
  • the wireless access network device receives the first message.
  • the above-mentioned first message may be a paging message.
  • the radio access network device determines the paging occasion and beam for paging the target terminal device according to the value of the paging parameter and the identifier of the target terminal device.
  • the identifier of the foregoing target terminal device may be carried in the foregoing first message.
  • the radio access network device may determine the paging occasion through the aforementioned formula (1) and formula (2), and determine the beam according to the number of beams.
  • the wireless access network device sends a second message to the target terminal device according to the paging occasion and beam of the target terminal device, where the second message is used to page the target terminal device.
  • the target terminal device receives the second message.
  • the foregoing second message may be a paging message.
  • the radio access network device After determining the paging occasion and beam, uses the determined beam within the paging occasion to send a paging message to the target terminal device.
  • the target terminal device determines the time to receive the second message according to the value of the paging parameter and the identifier of the target terminal device, and receives the second message at the time.
  • FIG. 10 is a schematic structural diagram of a wireless access network device provided by an embodiment of the application. As shown in FIG. 10, the wireless access network device includes: a processing module 1001 and a sending module 1002.
  • the processing module 1001 is configured to determine the value of the paging parameter according to the first information and the second information, where the first information is used to indicate the peak value of the paging message from the core network device within a set time, and the second information is used to indicate Paging capabilities of radio access network equipment.
  • the sending module 1002 is configured to send the value of the paging parameter to the terminal device.
  • the processing module 1001 is specifically configured to:
  • the value of the paging parameter is determined.
  • the third information is used to indicate the system load of the wireless access network device.
  • processing module 1001 is specifically configured to:
  • the value of the paging parameter is determined according to the first information and the second information.
  • the processing module 1001 is specifically configured to:
  • the ratio of the peak value of the paging message to the paging capability is less than a second preset threshold, it is determined that the value of the paging parameter is the first value.
  • the foregoing first value may be smaller than the current value of the foregoing paging parameter.
  • the processing module 1001 is specifically configured to:
  • the ratio of the peak value of the paging message to the paging capability is greater than a third preset threshold, it is determined that the value of the paging parameter is the second value.
  • the foregoing second value is greater than the current value of the foregoing paging parameter.
  • M can be 32.
  • the paging parameter includes at least one of the paging density N, the number of paging occasions Ns of each paging frame, and the number of beams S.
  • the sending module 1002 is specifically used for:
  • the above-mentioned wireless access network device further includes: a receiving module 1003.
  • the receiving module 1003 is configured to receive a first message sent by the core network device, where the first message is used to instruct the radio access network device to page the target terminal device.
  • the processing module 1001 is also used for:
  • FIG. 11 is a schematic structural diagram of another wireless access network device provided by an embodiment of the application. As shown in FIG. 11, the wireless access network device includes: a processing module 1101 and a sending module 1102.
  • the processing module 1101 is configured to determine the value of the paging parameter according to the third information.
  • the third information is used to indicate the system load of the wireless access network device.
  • the sending module 1102 is used to send the value of the above-mentioned paging parameter to the terminal device.
  • processing module 1101 is specifically configured to:
  • the value of the paging parameter is the preset initial value.
  • the foregoing preset initial value is a value of a paging parameter that meets the maximum system load.
  • the paging parameter includes at least one of the paging density N, the number of paging occasions Ns of each paging frame, and the number of beams S.
  • the sending module 1102 is specifically used to:
  • the above-mentioned wireless access network device further includes: a receiving module 1103.
  • the receiving module 1103 is configured to receive a first message sent by the core network device, where the first message is used to instruct the radio access network device to page the target terminal device.
  • the processing module 1101 is also used for:
  • the paging occasion and beam for paging the target terminal device determine the paging occasion and beam for paging the target terminal device, and, according to the paging occasion and beam of the target terminal device for paging, send module 1102 to the target terminal
  • the device sends a second message, which is used to page the target terminal device.
  • the radio access network device provided in the embodiment of the present application can perform the actions of the radio access network device shown in the foregoing method embodiment, and its implementation principles and technical effects are similar, and will not be repeated here.
  • FIG. 12 is a schematic structural diagram of a terminal device provided by an embodiment of the application. As shown in FIG. 12, the terminal device includes: a receiving module 1201. As a possible implementation manner, the terminal device further includes a processing module 1202.
  • the receiving module 1201 is configured to receive the value of the paging parameter, and the value of the paging parameter is determined by the radio access network device according to the first information and the second information.
  • the first information is used to indicate the peak value of paging messages from the core network device within the set time.
  • the second information is used to indicate the paging capability of the radio access network device.
  • the value of the foregoing paging parameter is determined by the radio access network device according to the first information, the second information, and the third information.
  • the above-mentioned third information is used to indicate the system load of the wireless access network device.
  • the foregoing paging parameters include at least one of a paging density N, the number of paging occasions Ns of each paging frame, and the number of beams S.
  • the receiving module 1201 is specifically configured to:
  • a system information update message is received, and the system information update message is used to broadcast the value of the above-mentioned paging parameter.
  • the processing module 1202 is used to:
  • the time to receive the second message is determined.
  • the receiving module 1201 is also used for:
  • the paging message is received at the aforementioned time when the paging message is received.
  • FIG. 13 is a schematic structural diagram of another terminal device provided by an embodiment of the application. As shown in FIG. 13, the terminal device includes: a receiving module 1301. As a possible implementation manner, the terminal device further includes a processing module 1302.
  • the receiving module 1301 is configured to receive the value of the paging parameter, and the value of the paging parameter is determined by the radio access network device according to the third information.
  • the foregoing third information is used to indicate the system load of the wireless access network device.
  • the foregoing paging parameters include at least one of a paging density N, the number of paging occasions Ns of each paging frame, and the number of beams S.
  • the receiving module 1301 is specifically configured to:
  • a system information update message is received, and the system information update message is used to broadcast the value of the above-mentioned paging parameter.
  • the processing module 1302 is used to:
  • the time to receive the second message is determined.
  • the receiving module 1301 is also used for:
  • the paging message is received at the aforementioned time when the paging message is received.
  • the terminal device provided in the embodiment of the present application can perform the actions of the terminal device shown in the foregoing method embodiment, and its implementation principles and technical effects are similar, and details are not described herein again.
  • the division of the various modules of the above device is only a division of logical functions, and may be fully or partially integrated into a physical entity during actual implementation, or may be physically separated.
  • these modules can all be implemented in the form of software called by processing elements; they can also be implemented in the form of hardware; some modules can be implemented in the form of calling software by processing elements, and some of the modules can be implemented in the form of hardware.
  • the determining module may be a separately established processing element, or it may be integrated in a chip of the above-mentioned device for implementation.
  • it may also be stored in the memory of the above-mentioned device in the form of program code, which is determined by a certain processing element of the above-mentioned device.
  • each step of the above method or each of the above modules can be completed by an integrated logic circuit of hardware in the processor element or instructions in the form of software.
  • the above modules may be one or more integrated circuits configured to implement the above methods, such as: one or more application specific integrated circuits (ASIC), or one or more microprocessors (digital signal processor, DSP), or, one or more field programmable gate arrays (FPGA), etc.
  • ASIC application specific integrated circuit
  • DSP digital signal processor
  • FPGA field programmable gate arrays
  • the processing element may be a general-purpose processor, such as a central processing unit (CPU) or other processors that can call program codes.
  • CPU central processing unit
  • these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC).
  • SOC system-on-a-chip
  • the above-mentioned embodiments it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it can be implemented in the form of a computer program product in whole or in part.
  • the computer program product includes one or more computer instructions.
  • the processes or functions described in the embodiments of the present application are generated in whole or in part.
  • the above-mentioned computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the above-mentioned computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the above-mentioned computer instructions can be transmitted from a website, computer, server, or data center through a cable.
  • a cable such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) to another website site, computer, server or data center.
  • DSL digital subscriber line
  • the foregoing computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or data center integrated with one or more available media.
  • the above-mentioned usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)).
  • a magnetic medium for example, a floppy disk, a hard disk, and a magnetic tape
  • an optical medium for example, a DVD
  • a semiconductor medium for example, a solid state disk (SSD)
  • FIG. 14 is a schematic structural diagram of a radio access network device provided by an embodiment of this application.
  • the wireless access network device 1400 may include: a processor 141 (for example, a CPU), a memory 142, and a transceiver 143; the transceiver 143 is coupled to the processor 141, and the processor 141 controls the transceiver 143 to send and receive actions. .
  • Various instructions may be stored in the memory 142 to complete various processing functions and implement method steps executed by the radio access network device in the embodiment of the present application.
  • the wireless access network device involved in the embodiment of the present application may further include: a power supply 144, a system bus 145, and a communication port 146.
  • the transceiver 143 may be integrated in the transceiver of the wireless access network device, or may be an independent transceiver antenna on the wireless access network device.
  • the system bus 145 is used to implement communication connections between components.
  • the aforementioned communication port 146 is used to implement connection and communication between the wireless access network device and other peripherals.
  • the aforementioned processor 141 is configured to couple with the memory 142, read and execute instructions in the memory 142, so as to implement the method steps executed by the radio access network device in the aforementioned method embodiment.
  • the transceiver 143 is coupled with the processor 141, and the processor 141 controls the transceiver 143 to send and receive messages.
  • the processor 141 is used to:
  • the value of the paging parameter is determined, and the transceiver 143 is controlled to send the value of the paging parameter to the terminal device.
  • the first information is used to indicate the peak value of paging messages from the core network device within the set time
  • the second information is used to indicate the paging capability of the radio access network device.
  • the processor 141 is specifically configured to:
  • the value of the paging parameter is determined.
  • the third information is used to indicate the system load of the wireless access network device.
  • the processor 141 is specifically configured to:
  • the value of the paging parameter is determined according to the first information and the second information.
  • the processor 141 is specifically configured to:
  • the value of the paging parameter is the first value.
  • the above-mentioned first value is smaller than the current value of the above-mentioned paging parameter.
  • the processor 141 is specifically configured to:
  • the ratio of the peak value of the paging message to the paging capability is greater than a third preset threshold, it is determined that the value of the paging parameter is the second value.
  • the foregoing second value is greater than the current value of the foregoing paging parameter.
  • M is 32.
  • processor 141 is used to:
  • the value of the paging parameter is determined, and the transceiver 83 is controlled to send the value of the paging parameter to the terminal device.
  • the third information is used to indicate the system load of the wireless access network device.
  • the processor 141 is specifically configured to:
  • the value of the paging parameter is the preset initial value.
  • the above-mentioned preset initial value is the value of the paging parameter that meets the maximum system load.
  • the above paging parameters include at least one of the paging density N, the number of paging occasions Ns of each paging frame, and the number of beams S.
  • the processor 141 is specifically configured to:
  • the control transceiver 143 sends a system information update message to the terminal device, and the system information update message is used to broadcast the value of the paging parameter.
  • the processor 141 is specifically configured to:
  • the control transceiver 143 receives the first message sent by the core network device, the first message is used to instruct the radio access network device to page the target terminal device, and, according to the value of the paging parameter and the identification of the target terminal device, determine the paging
  • the paging timing and beam of the target terminal device are called, and according to the paging timing and beam of the target terminal device, the transceiver 143 is controlled to send a second message to the target terminal device, and the second message is used to page the target terminal equipment.
  • the system bus mentioned in FIG. 14 may be a peripheral component interconnect standard (PCI) bus or an extended industry standard architecture (EISA) bus, etc.
  • PCI peripheral component interconnect standard
  • EISA extended industry standard architecture
  • the system bus can be divided into address bus, data bus, control bus and so on. For ease of representation, only one thick line is used in the figure, but it does not mean that there is only one bus or one type of bus.
  • the communication interface is used to realize the communication between the database access device and other devices (such as client, read-write library and read-only library).
  • the memory may include random access memory (RAM), and may also include non-volatile memory (non-volatile memory), such as at least one disk memory.
  • the above-mentioned processor may be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; it may also be a digital signal processor DSP, an application-specific integrated circuit ASIC, a field programmable gate array FPGA or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • CPU central processing unit
  • NP network processor
  • DSP digital signal processor
  • ASIC application-specific integrated circuit
  • FPGA field programmable gate array
  • FIG. 15 is a schematic structural diagram of a terminal device provided by an embodiment of the application.
  • the terminal device 1500 may include: a processor 151 (such as a CPU), a memory 152, and a transceiver 153; the transceiver 153 is coupled to the processor 151, and the processor 151 controls the transceiver 153's transceiving actions.
  • the memory 152 may store various instructions to complete various processing functions and implement the method steps executed by the terminal device in the embodiments of the present application.
  • the terminal device involved in the embodiment of the present application may further include: a power supply 154, a system bus 155, and a communication port 156.
  • the transceiver 153 may be integrated in the transceiver of the terminal device, or may be an independent transceiver antenna on the terminal device.
  • the system bus 155 is used to implement communication connections between components.
  • the aforementioned communication port 156 is used to implement connection and communication between the terminal device and other peripherals.
  • the above-mentioned processor 151 is configured to be coupled with the memory 152 to read and execute instructions in the memory 152 to implement the method steps executed by the terminal device in the above-mentioned method embodiment.
  • the transceiver 153 is coupled with the processor 151, and the processor 151 controls the transceiver 153 to send and receive messages.
  • the processor 151 is used to:
  • the control transceiver 153 receives the value of the paging parameter, and the value of the paging parameter is determined by the radio access network device according to the first information and the second information.
  • the first information is used to indicate the peak value of paging messages from the core network device within the set time
  • the second information is used to indicate the paging capability of the radio access network device.
  • the value of the paging parameter is determined by the radio access network device according to the first information, the second information, and the third information.
  • the third information is used to indicate the system load of the wireless access network device.
  • processor 151 is used to:
  • the control transceiver 153 receives the value of the paging parameter, and the value of the paging parameter is determined by the radio access network device according to the third information.
  • the third information is used to indicate the system load of the wireless access network device.
  • the paging parameter includes at least one of the paging density N, the number of paging occasions Ns of each paging frame, and the number of beams S.
  • the processor 151 is specifically configured to:
  • the control transceiver 153 receives the system information update message, and the system information update message is used to broadcast the value of the above-mentioned paging parameter.
  • the processor 151 is further configured to:
  • the timing for receiving the second message is determined, and the transceiver 153 is controlled to receive the paging message at the foregoing timing for receiving the paging message.
  • the system bus mentioned in FIG. 15 may be a PCI bus or an EISA bus.
  • the system bus can be divided into address bus, data bus, control bus and so on. For ease of representation, only one thick line is used in the figure, but it does not mean that there is only one bus or one type of bus.
  • the communication interface is used to realize the communication between the database access device and other devices (such as client, read-write library and read-only library).
  • the memory may include RAM, or may also include non-volatile memory, such as at least one disk memory.
  • the above-mentioned processor may be a general-purpose processor, including CPU, NP, etc.; it may also be a DSP, ASIC, FPGA or other programmable logic device, discrete gate or transistor logic device, or discrete hardware component.
  • an embodiment of the present application further provides a computer-readable storage medium, which stores instructions in the storage medium, which when run on a computer, causes the computer to execute the operation of the wireless access network device or terminal device in the foregoing embodiment. Processing process.
  • an embodiment of the present application further provides a chip for executing instructions, and the chip is used to execute the processing procedure of the radio access network device or the terminal device in the foregoing embodiment.
  • the embodiment of the present application also provides a program product, the program product includes a computer program, the computer program is stored in a storage medium, at least one processor can read the computer program from the storage medium, and the at least one processor executes the above implementation The processing procedure of the wireless access network equipment or terminal equipment in the example.
  • At least one refers to one or more, and “multiple” refers to two or more.
  • “And/or” describes the association relationship of the associated objects, indicating that there can be three relationships, for example, A and/or B, which can mean: A alone exists, A and B exist at the same time, and B exists alone, where A, B can be singular or plural.
  • the character “/” generally indicates that the associated objects before and after are in an “or” relationship; in the formula, the character “/” indicates that the associated objects before and after are in a “division” relationship.
  • “The following at least one item (a)” or similar expressions refers to any combination of these items, including any combination of a single item (a) or a plurality of items (a).
  • at least one of a, b, or c can mean: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or multiple A.
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution.
  • the execution order of the processes should be determined by their functions and internal logic, and should not be used for the implementation of this application.
  • the implementation process of the example constitutes any limitation.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

La présente invention concerne un procédé de communication, un dispositif de réseau d'accès sans fil et un dispositif terminal. Le procédé du réseau d'accès sans fil comprend : un dispositif de réseau d'accès sans fil qui détermine la valeur d'un paramètre de radiomessagerie selon des premières informations et des secondes informations, l'envoi de la valeur du paramètre de radiomessagerie à un dispositif terminal, les premières informations étant utilisées pour indiquer la valeur de crête d'un message de radiomessagerie à partir d'un dispositif de réseau central dans un temps défini, les secondes informations étant utilisées pour indiquer la capacité de radiomessagerie du dispositif de réseau d'accès sans fil. Sur la base de ce procédé, lorsque la charge de radiomessagerie est plus faible, le dispositif de réseau d'accès sans fil peut occuper moins d'opportunités de radiomessagerie pour envoyer des messages de radiomessagerie, ce qui permet de réduire considérablement le créneau temporel de radiomessagerie et le surdébit de consommation d'énergie de radiomessagerie.
PCT/CN2019/113921 2019-10-29 2019-10-29 Procédé de communication, dispositif de réseau d'accès sans fil et dispositif terminal WO2021081736A1 (fr)

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CN201980100480.XA CN114402669A (zh) 2019-10-29 2019-10-29 通信方法、无线接入网设备及终端设备
PCT/CN2019/113921 WO2021081736A1 (fr) 2019-10-29 2019-10-29 Procédé de communication, dispositif de réseau d'accès sans fil et dispositif terminal

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