WO2022022742A1 - 一种寻呼方法及装置 - Google Patents

一种寻呼方法及装置 Download PDF

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Publication number
WO2022022742A1
WO2022022742A1 PCT/CN2021/110090 CN2021110090W WO2022022742A1 WO 2022022742 A1 WO2022022742 A1 WO 2022022742A1 CN 2021110090 W CN2021110090 W CN 2021110090W WO 2022022742 A1 WO2022022742 A1 WO 2022022742A1
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WIPO (PCT)
Prior art keywords
paging
terminal
indication
field
occasion
Prior art date
Application number
PCT/CN2021/110090
Other languages
English (en)
French (fr)
Inventor
薛祎凡
薛丽霞
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202010791001.8A external-priority patent/CN114071669A/zh
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP21851273.9A priority Critical patent/EP4181582A4/en
Priority to KR1020237005552A priority patent/KR20230041050A/ko
Priority to CN202180049886.7A priority patent/CN116671187A/zh
Priority to JP2023504475A priority patent/JP2023535571A/ja
Priority to US18/007,396 priority patent/US20230319778A1/en
Publication of WO2022022742A1 publication Critical patent/WO2022022742A1/zh

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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
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • 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
    • H04W68/025—Indirect paging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present application relate to the field of communication technologies, and in particular, to a paging method and apparatus.
  • the terminal When the terminal is in the idle state or inactive state, it will periodically receive the paging initiated by the network side. For example, the terminal calculates a paging frame and the Paging occcasion, monitor downlink control information (DCI) for scheduling paging messages in PO, if DCI is monitored, and the monitored DCI schedules physical downlink sharing carrying paging messages channel (physical downlink shared channel, PDSCH), then receive the PDSCH carrying the paging message at the position indicated by the DCI, and determine whether it has been paged according to the paging message carried by the PDSCH.
  • DCI downlink control information
  • the terminal Before the terminal monitors the DCI in the PO, the terminal needs to receive one or more synchronization signal blocks (synchronization signal blocks, SSB) sent by the network side, and use the SSB to perform time/frequency synchronization, automatic gain control (automatic gain control, AGC) ) adjustment, etc., in order to receive DCI correctly, that is, the terminal needs to consume energy to receive one or more SSBs before monitoring DCI.
  • SSB synchronization signal blocks
  • AGC automatic gain control
  • Embodiments of the present application provide a paging method and device, which solve the problem of large energy consumption of the terminal when paging the terminal.
  • the present application provides a paging method, the method comprising: before a paging occasion of the terminal, a terminal receives a first paging indication including a first field sent by a network device, where the first field is used to indicate that Whether to send paging within the R paging occasions of the terminal, the terminal determines whether to monitor the DCI for scheduling paging messages on the paging occasion of the terminal according to the first paging occasion.
  • the paging indication can be preset before the paging occasion, and the terminal can be indicated in advance through the paging indication whether there is a paging in the paging occasion, so that when there is no paging in the paging occasion, the terminal is triggered to advance in advance. Stop working and enter the dormant state, thereby reducing the energy consumption of the terminal.
  • the method described in the first aspect can also indicate through a paging indication that multiple paging occasions are reached at one time to indicate whether there is paging in multiple paging occasions for the purpose of saving signaling overhead.
  • the first field includes R pieces of indication information
  • the ith indication information in the R pieces of indication information indicates whether to send paging in the ith paging occasion among the R paging occasions, and i is greater than or equal to It is an integer equal to 1 and less than or equal to R.
  • one-to-one indication information corresponding to the paging occasion can be designed in the paging indication, so that the terminal can well distinguish its own paging occasion from multiple indication information.
  • the corresponding instruction information simplifies the system design.
  • the terminal determines whether to monitor the downlink control information DCI on the paging occasion of the terminal according to the first paging occasion, including: the time domain position of the terminal among the R paging occasions according to the paging occasion of the terminal. , determining the indication information corresponding to the paging occasion of the terminal, and determining whether to monitor the DCI on the paging occasion of the terminal according to the indication information corresponding to the paging occasion of the terminal.
  • the terminal can find the indication information corresponding to its own paging occasion based on the time domain positions of multiple paging occasions corresponding to the paging indication, and determine whether to continue according to the paging indication corresponding to its own paging occasion Monitoring DCI improves the accuracy that the terminal obtains in advance whether there is a paging message in its own paging occasion, and at the same time, simplifies the system design.
  • the terminal receives the first paging indication sent by the network device before the paging occasion of the terminal, including: the terminal determines the K corresponding to the paging occasion of the terminal according to the time domain position of the paging occasion of the terminal.
  • paging indications where K is an integer greater than or equal to 1
  • the terminal receives K paging indications before the paging occasion, and determines the first paging indication from the K paging indications.
  • one paging occasion can be set to correspond to multiple paging indications.
  • the terminal can maximize the guarantee that the terminal can receive the paging indications belonging to its own paging occasion, so as to know the paging indication in advance. Whether there is paging in the calling time, thereby saving energy consumption.
  • K is configured by the network device to the terminal, that is, the network device uniformly manages the number of paging indications corresponding to paging occasions, so that the configuration of each terminal is unified, management is easy, and the configuration flexibility of the network device is improved.
  • the terminal receiving the first paging indication sent by the network device before the paging opportunity of the terminal includes: the terminal receiving the first paging indication sent by the network device within the monitoring time interval, and by designing a monitoring Time interval to receive paging indication, simplifying system design.
  • the terminal receives the monitoring time window configuration information sent by the network device for determining the monitoring time interval, and determines the monitoring time interval according to the monitoring time window configuration information, that is, the network device configures the monitoring time interval so that each terminal
  • the configuration of the network is unified, which is easy to manage, and improves the configuration flexibility of network equipment.
  • the R paging occasions are the R paging occasions that are closest to the first paging indication after the first paging indication, so that the time domain positions of the paging indication and the paging occasion can be made close to shortening the time domain.
  • the time interval between the paging occasion and the paging indication so as to avoid that the terminal will only monitor the paging occasion for a long period of time after receiving the paging indication if there is a paging in the paging indication paging occasion.
  • R is configured by the network device to the terminal, that is, the value of R is configured by the network device, so that the configuration of each terminal is unified, management is convenient, and the configuration flexibility of the network device is improved.
  • the first field includes indication information corresponding to each of the R paging occasions
  • the indication information corresponding to each of the R paging occasions includes M bits, M The number of bits is used to indicate whether there is paging in the paging occasion corresponding to the indication information, and M is an integer greater than or equal to 1.
  • the indication information indicating the paging occasion can include multiple bits, that is, the paging occasions are grouped, so as to reduce the false alarm probability of the terminal and improve the probability of the terminal being successfully paged.
  • M is configured to the terminal by the network device; or, M satisfies the formula: A is the length of one paging indication, and B is the length of the fields indicating valid information except the first field in the paging indication.
  • A is the length of one paging indication
  • B is the length of the fields indicating valid information except the first field in the paging indication.
  • the first field includes indication information corresponding to each of the R paging occasions;
  • the indication information corresponding to each paging occasion includes: bits;
  • the indication information corresponding to each paging occasion in the remaining paging occasions among the R paging occasions includes: bits;
  • A is the length of the paging indication, and B is the length of the fields indicating valid information in the paging indication except the first field.
  • the paging indication further includes one or more of the following fields: a second field, a third field, and a fourth field; the second field is used to indicate whether the paging indication includes SM; the third field is used for is used to indicate the SM; the fourth field is used to indicate the availability of the auxiliary reference signal, and the auxiliary reference signal is the auxiliary reference signal configured by the network device, or the auxiliary reference signal associated with the R paging occasions.
  • some fields for indicating useful information can be set in the paging indication in advance, so that the terminal can know the useful information in advance and avoid the terminal having to obtain the useful information from DCI or other information after pre-synchronization. energy consumption from information.
  • the second field is information common to R paging occasions. Based on this possible design, the second field can be set to information common to multiple paging occasions to reduce overhead.
  • the SM indicates one or more of the following information: system message change indication information, earthquake and tsunami warning information, commercial mobile warning information, and indication information for stopping monitoring paging messages. Carry more useful information in the SM to improve the use range of the information indicated by the SM.
  • the length of the third field is configured by the network device. Based on this possible design, the length of the third field can be configured by the network device, thereby improving the configuration flexibility and management and control rights of the network device.
  • the third field is information common to the R paging occasions. Based on this possible design, the third field can be set as information common to multiple paging occasions to reduce overhead.
  • the fourth field is used to indicate the availability of the auxiliary reference signal, including: the length of the fourth field is equal to the number of auxiliary reference signals or auxiliary reference signal groups configured by the network device, wherein the auxiliary reference signal group includes a or multiple auxiliary reference signals; or, the length of the fourth field is equal to the number of auxiliary reference signals or auxiliary reference signal groups associated with the R paging occasions, or, the fourth field includes R subfields, and the R subfields are associated with the R paging occasions.
  • a subfield is used to indicate the availability of the auxiliary reference signal associated with the paging occasion corresponding to the subfield. Based on this possible design, the availability of the auxiliary reference signal or the auxiliary reference signal group can be indicated through the fourth field, and the indication manner is flexible and diverse, and has wide applicability.
  • the first paging indication further includes a fifth field; the fifth field is used to indicate the number of paging occasions indicated by the first field; or the fifth field is used to indicate the length of the first field, so , which can facilitate more flexible adjustment of the number of paging indications indicated by the first field or the length of the first field.
  • the indication content of the first field in different paging indications for the same paging occasion is the same, so as to avoid that the indication information corresponding to the paging occasion received by the terminal may be inconsistent, resulting in the terminal being unable to pass the paging. Indicates the purpose of achieving energy saving.
  • the relationship between the first paging indication and the synchronization signal block SSB closest to the first paging indication is a QCL; or, the relationship between the first paging indication and the SSB associated with the first paging indication is: QCL relationship, so that the terminal receives the paging indication according to the receiving beam of the SSB, and improves the accuracy of the terminal receiving the paging indication.
  • the present application provides a communication device.
  • the communication device may be a terminal or a chip or a system-on-chip in the terminal, and may also be used in the terminal to implement the first aspect or any possible design of the first aspect.
  • method of the function module can implement the functions performed by the terminal in the above aspects or possible designs, and the functions can be implemented by executing corresponding software through hardware.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • the communication device may include: a receiving unit, a processing unit;
  • a receiving unit configured to receive, before the paging occasion of the terminal, a first paging indication including a first field sent by the network device, the first field being used to indicate whether to send a paging occasion within the R paging occasions including the paging occasion of the terminal paging.
  • the processing unit is configured to determine, according to the first paging occasion, whether to monitor the DCI for scheduling the paging message on the paging occasion of the terminal.
  • a communication device in a third aspect, is provided, and the communication device may be a terminal or a chip or a system-on-chip in the terminal.
  • the communication apparatus can implement the functions performed by the terminal in the above aspects or possible designs, and the functions can be implemented by hardware.
  • the communication device may include: a processor and a communication interface, and the processor may be used to support the communication device to implement the functions involved in the first aspect or any possible design of the first aspect, for example :
  • the processor is configured to receive, through the communication interface, before the paging occasion of the terminal, the first paging indication including the first field sent by the network device, and the first field is used to indicate that within the R paging occasions including the paging occasion of the terminal Whether to send paging, according to the first paging occasion, it is determined whether to monitor the DCI used for scheduling the paging message on the paging occasion of the terminal.
  • the communication device may further include a memory for storing necessary computer-executed instructions and data of the communication device.
  • the processor executes the computer-executable instructions stored in the memory to cause the communication device to perform the paging method as described in the first aspect or any possible design of the first aspect.
  • a computer-readable storage medium may be a readable non-volatile storage medium, and instructions are stored in the computer-readable storage medium, when the computer-readable storage medium is executed on a computer , so that the computer executes the paging method described in the first aspect above or any possible design of the above aspect.
  • a computer program product containing instructions which, when run on a computer, cause the computer to execute the paging method described in the first aspect above or any possible design of the above aspect.
  • a communication apparatus may be a terminal or a chip or a system-on-chip in the terminal.
  • the communication apparatus includes one or more processors and one or more memories.
  • the one or more memories are coupled to the one or more processors, the one or more memories for storing computer program code, the computer program code comprising computer instructions, when the one or more processors When the computer instructions are executed, the terminal is caused to execute the paging method according to the first aspect or any possible design of the first aspect.
  • an embodiment of the present application provides a communication system, and the communication system may include: the communication apparatus or chip system, and network device as described in any one of the second aspect or the sixth aspect.
  • Figure 1a is a schematic diagram of the relationship between PF and PO;
  • Figure 1b is a schematic diagram of the time domain position relationship between a PO and an SSB
  • Figure 1c is a schematic diagram of the time-domain positional relationship between multiple POs and SSBs
  • Figure 1d is a schematic diagram of different terminals monitoring SSB and PO;
  • 1e is a schematic diagram of the relationship between pre-indication whether to be paged and energy consumption
  • Figure 1f is a schematic diagram of the relationship between paging indication location and energy consumption
  • Figure 1g is a schematic diagram of the relationship between the SSB and the MO in the PO in the SSB cycle
  • FIG. 2 is a schematic diagram of fields included in a paging indication
  • 3a is a schematic diagram of a mapping relationship between a paging occasion and a paging indication provided by an embodiment of the present application;
  • 3b is a schematic diagram of another mapping relationship between a paging occasion and a paging indication provided by an embodiment of the present application;
  • 3c is a schematic diagram of a mapping relationship between still another paging occasion and a paging indication provided by an embodiment of the present application;
  • Fig. 4 is a communication system architecture diagram provided by this application.
  • FIG. 5 is a structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 6 is a flowchart of a paging method provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of the composition of a communication device 70 according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of the composition of a communication system according to an embodiment of the present application.
  • the network side device periodically sends a paging message to the terminal in the idle state or inactive state, to wake up the terminal in the idle state or inactive state to return to connected (connected) ) state process.
  • a paging process may include: on the network side, the network side equipment (such as access network equipment) calculates the paging occasion (PO) corresponding to the terminal, and sends the physical downlink control carrying the DCI to the terminal on the PO of the terminal.
  • Channel physical downlink control channel, PDCCH
  • the DCI can be used to indicate whether the DCI schedules the PDSCH carrying the paging message (paging message).
  • the PDSCH carrying the paging message is sent on the indicated resource location.
  • the terminal calculates its corresponding PO, and uses its own paging wireless network temporary identity (P-RNTI) to monitor the DCI in the calculated PO. If the DCI is monitored, and the DCI indicates If the PDSCH carrying the paging message is scheduled, the terminal receives the PDSCH carrying the paging message according to the resource location indicated by the DCI, and determines whether it has been paged according to the paging message carried by the PDSCH.
  • the identification information of the paged terminal such as the user equipment identifier (user equipment identifier, UE_ID) of the terminal, if the paging message received by the terminal carries its own identification information, it is determined that it has been paged, otherwise, Make sure that you have not been paged. If the terminal is paged, the terminal initiates a random access procedure and switches to a connected state.
  • PO is the time domain position/time interval where the terminal monitors and schedules the DCI of the PDSCH carrying the paging message.
  • a PF can be associated with one or more POs.
  • the POs in a PF are arranged consecutively from the starting position of the PF. For example, the starting position of the first PO in the PF is the same as the starting position of the PF, and the second PO is next.
  • the starting position of , and the ending position of the first PO overlap, and so on, to set up multiple POs.
  • the length of one PO can be several slots.
  • the following formula (1) can be used to calculate the system frame number (SFN) of the PF
  • the following formula (2) can be used to calculate the terminal
  • the PF_offset in the above formula is an offset value used to determine the PF, and the PF_offset may be pre-specified by the protocol, or may be determined by the access network device and configured to the terminal.
  • T is a discontinuous reception (discontinuous reception, DRX) cycle
  • N is the number of PFs in the DRX cycle T
  • Ns is the number of POs in one PF.
  • mod means the remainder obtained by dividing the two numbers before and after mod. floor() is rounded down.
  • "*" is multiplication calculation.
  • "div” is the division calculation.
  • floor(UE_ID/N) mod Ns is equivalent to further dividing the PF of the terminal into Ns groups. According to the value of floor(UE_ID/N) mod Ns, it can be determined which group the terminal corresponds to, that is, which PO.
  • the value of UE_ID is the terminal's 5G-S temporary mobile subscriber identity (5G S-temporary mobile subscriber identity, 5G-S-TMSI) mod 1024.
  • N*Ns POs in a DRX cycle there will be N*Ns POs in a DRX cycle, and the terminals will also be divided into N*Ns groups according to UE_ID, and each group corresponds to one PO.
  • the terminal can calculate itself according to the above formula (1) and formula (2). DCI was monitored on which PO of which PF.
  • the PO can also be divided into multiple monitoring occasions (MOs), and different MOs are associated with different SSBs, that is, associated with different beam directions.
  • MOs monitoring occasions
  • the number of MOs included in one PO is determined according to the number of SSBs actually sent in one SSB cycle, and the number of SSBs actually sent in one SSB cycle is configured by the network device through system messages.
  • the DRX cycle T, the number N of PFs in the DRX cycle, and the number Ns of POs in one PF can be dynamically set as required or pre-specified in the protocol, and are not limited.
  • DCI can be used to indicate whether to send paging messages and to schedule PDSCH carrying paging messages.
  • DCI may also be named paging DCI or scheduling information or other names, etc., without limitation.
  • the DCI may include multiple fields, and the position of each field in the DCI, the number of bits occupied by each field, and the meaning indicated by the value of each field may be pre-specified by the protocol or determined according to the configuration of the network device.
  • the fields included in DCI are described below:
  • Short message indicator short messages indicator, SMI
  • the SMI field occupies 2 bits (bits), the first bit is used to indicate whether the current DCI carries short messages (short messages, SM), and the second bit is used to indicate whether the current DCI schedules PDSCH carrying paging messages.
  • the SMI field occupies 8 bits, the first bit indicates the system information change (SI change), the second bit indicates the Earthquake and Tsunami Warning System (ETWS) and/or the commercial mobile warning system (commercial mobile) alert system, CMAS), the third bit in the unlicensed spectrum (NR unlicensed, NRU) indicates whether to stop reading paging messages, and the remaining last 5 bits are reserved (reserved).
  • the reserved bits may be used to indicate other information, for example, may be used to indicate information that will be expanded later with the development of communication technologies.
  • the SMI field corresponds to 8 bits, and the first three bits are filled with SI change information, ETWS information, and are used to indicate that the NRU There is indication information indicating whether to stop reading the paging message. If the first bit in the SIM field indicates that the current DCI does not carry SM, the 8 bits corresponding to the SM field are all meaningless bits and do not indicate any content.
  • the FDRA field may be used to indicate frequency domain resources used for PDSCH transmission, including which physical resource blocks (PRBs) used for data transmission.
  • PRBs physical resource blocks
  • the number of bits occupied by the FDRA field is determined according to the bandwidth size of the control resource set (control resource set, CORESET) 0.
  • Time domain resource assignment (TDRA) field TDRA
  • the TDRA field occupies 4 bits, and the TDRA field can be used to indicate the time domain resources used for PDSCH transmission, including the time slot used for data transmission and the symbols used in the time slot.
  • mapping relationship (VRB-to-PRB mapping) field of a virtual resource block (virtual resource block, VRB) to a physical resource block (physical resource block, PRB).
  • the VRB-to-PRB mapping field occupies 1 bit, and the VRB-to-PRB mapping field can be used to indicate the mapping method used when mapping VRBs to PRBs, specifically interleaving mapping or non-interleaving mapping.
  • Modulation and coding scheme (modulation and coding scheme, MCS) field.
  • the MCS field may occupy 5 bits, and the MCS field may be used to specify the modulation and coding mode used in PDSCH transmission.
  • Transport block scaling (TB scaling) field Transport block scaling (TB scaling) field.
  • the TB scaling field may occupy 2 bits and is used to indicate whether the size of the transport block (TB) carried in the PDSCH carrying the paging message is scaled, and what the scaling ratio is.
  • Reserved fields can occupy 6bits.
  • the probability of a terminal being paged is relatively small, but due to the large number of terminals monitoring DCI in the same PO, the network side device has a high probability of sending paging DCI, and the terminal has a high probability of being paging. False alarm state.
  • the false alarm state of paging means that although the terminal has received the paging DCI and PDSCH carrying the paging message, it has not been paged.
  • the terminal in order for the terminal to correctly receive the DCI and the PDSCH scheduled by the DCI and carry the paging message, and to determine whether it is in a "false alarm for paging" or to be paged according to the received DCI and PDSCH, the following process needs to be performed: Access network equipment Before the PO of the terminal, one or more synchronization signals and a physical broadcast channel (PBCH) block (synchronization signal and PBCH block, SSB) are periodically sent to the terminal. After the terminal calculates its own PO, it monitors in the PO.
  • PBCH physical broadcast channel
  • the terminal Before DCI, the terminal will select one or more SSBs that are closer to the PO from the SSBs before the PO, receive the SSB at the resource location of the selected SSB, and execute the communication with the access network device based on the received SSB. time/frequency synchronization, automatic gain control (AGC) adjustment and other steps.
  • AGC automatic gain control
  • the steps that the terminal uses the SSB to perform time/frequency synchronization and AGC adjustment may be collectively referred to as pre-synchronization.
  • pre-synchronization the steps that the terminal uses the SSB to perform time/frequency synchronization and AGC adjustment may be collectively referred to as pre-synchronization.
  • each SSB in one SSB period usually corresponds to different beam transmission directions.
  • the SSBs used by the terminal for pre-synchronization should correspond to the same beam transmission direction. Therefore, one or more SSBs used by the terminal for pre-synchronization are usually located in different SSB periods.
  • the period for sending SSBs, the time interval between adjacent SSBs, and the resource locations of SSBs may be pre-specified in a protocol or configured to the terminal by a network-side device through a system message.
  • the SSB before the PO may refer to the SSB whose time domain position is located before the PO, and the time domain position does not overlap with the time domain position of the PO, and the SSB located before the PO of the terminal are all SSBs that can/can be used for terminal pre-synchronization, These SSBs may be referred to as available SSBs, which are uniformly described here, and will not be repeated below.
  • Figure 1b which is a schematic diagram of the relationship between a PO and an SSB
  • these two SSBs can be called available SSBs, and the terminal can select from these two SSBs
  • the SSB closest to the PO is received for pre-synchronization, and the two SSBs can also be selected for pre-synchronization.
  • the two SSBs can be located in different SSB periods.
  • FIG. 1c it is a schematic diagram of the time domain position relationship between multiple POs and SSBs.
  • SSB1-SSB5 before PO5
  • SSB1-SSB4 before PO4
  • PO3 before PO3
  • SSB1 ⁇ SSB3, SSB1 ⁇ SSB3 existed before PO2
  • SSB1 ⁇ SSB2 existed before PO1.
  • the terminal can choose to receive one or two of the SSB1 ⁇ SSB5 before PO5 which is closest to PO5.
  • One, three, or four SSBs are used for pre-synchronization, and these 5 SSBs can also be selected to be received for pre-synchronization.
  • the terminal can choose to receive one, two or three SSBs closest to PO4 among SSB1 to SSB4 for pre-synchronization, or choose to receive these 4 SSBs for pre-synchronization.
  • the upper and lower relationship between SSB and PO in Figure 1c is mainly to prevent the two from overlapping and it is difficult to distinguish the time-domain positional relationship, and does not represent the specific frequency-domain positional relationship between PO and SSB, that is, Figure 1c is mainly characterized by The position of the two in the time domain.
  • SSB1-SSB5 may be located in different SSB periods.
  • the terminal can add noise according to the channel quality between itself and the access network device (such as reference signal receiving power (RSRP) or reference signal received quality (RSRQ) or signal and interference plus noise. ratio (signal to interference plus noise ratio, SINR), etc.) and/or its own hardware processing conditions, which SSB among the available SSBs starts to receive the SSB sent by the access network device, that is, to determine which available SSBs can be used for pre-synchronization .
  • the terminal determines which SSBs are used for pre-synchronization according to the channel quality between itself and the access network equipment.
  • the number of SSBs used for pre-synchronization is relatively small. When the terminal is far away from the access network equipment, the SINR is lower, the coverage of the terminal is worse, the signal of the SSB is weak, and the number of SSBs used by the terminal for pre-synchronization is relatively large.
  • the POs of UE1 and UE2 are PO1, and the two SSBs located before PO1 can be used as available SSBs for pre-synchronization.
  • the coverage of UE1 is poor, SSB1 and SSB2 are used.
  • Two SSBs are used for pre-synchronization, and the coverage of UE2 is good, so UE2 can use one SSB (eg, SSB2 closest to PO1) for pre-synchronization.
  • the terminal needs to consume energy to receive SSB.
  • the terminal needs to keep the working state at all times, and the working state causes the terminal to consume a certain amount of energy.
  • UE1 receives SSB1. After receiving SSB1, UE1 continues to maintain the working state, receives SSB2, and performs pre-synchronization according to SSB1 and SSB2. After the pre-synchronization is successful, UE1 continues to maintain the working state.
  • To monitor the DCI that is, the UE1 needs to keep working and consume its own energy during the period from the start of receiving the SSB1 to the monitoring of the DCI on the PO1.
  • UE2 also needs to open the working state to prepare to receive SSB2.
  • UE2 needs to start receiving SSB2 to monitor PO1. During this period of time, the DCI on the board has been working and consuming its own energy.
  • the embodiments of the present application propose the following solution: before PO (such as when the terminal is pre-synchronized), indicate to the terminal whether to send paging in the PO, so that the terminal can know whether it can be paged earlier, and when it is not In case of paging, stop working as soon as possible, do not keep working all the time, and avoid unnecessary energy consumption.
  • the information indicating whether to send paging in the PO can be named as paging indication. It should be noted that this application does not limit the naming of the paging indication, and the paging indication can also be named as wake-up signal (WUS) or early paging indication (early paging indication or early transmitted paging indication) or pre-paging indication Calling indication (pre-paging indication) or other names, etc., are not limited.
  • WUS wake-up signal
  • early paging indication early paging indication or early transmitted paging indication
  • pre-paging indication Calling indication pre-paging indication
  • UE1 is a UE with poor coverage
  • UE2 is a UE with better coverage
  • the paging indication can be sent near SSB1 or near SSB2.
  • the power consumption of UE1 and UE2 when the paging indication is used to indicate the presence/absence of paging in PO1 is shown in Figure 1f; similarly, the paging indication is only sent to SSB2 In the vicinity, the power consumption of UE1 and UE2 when they are indicated by paging to indicate the presence/absence of paging in PO1 is shown in Fig. 1f.
  • UE2 does not need to use SSB1 for pre-synchronization, but when the paging indication is only sent near SSB1, UE2 also needs to receive SSB1 in order to receive the paging indication, and after being instructed to have paging, it still needs to maintain a certain working state until PO1. This can be compared to the circled part in row 3 in Figure 1f and row 7 in Figure 1f.
  • the paging indication is only sent near SSB2 since UE1 cannot know whether there is a paging in advance, in order to ensure that the paging can be correctly received in the case of paging, it needs to receive SSB1 and maintain the working state until it receives the paging after SSB2. instruct. If no paging is instructed, it can be seen from the comparison of the circled part in the sixth row in Fig. 1f and the second row in Fig. 1f that more energy is wasted.
  • the access network device cannot know which SSB is the first SSB received by most terminals, and thus cannot realize the first SSB used by most terminals to send. Paging indication, reducing the energy consumption of most terminals.
  • the best solution is to send the paging indication corresponding to the same PO in the vicinity of multiple SSBs before the PO, that is, one
  • the paging indication corresponding to the PO will be sent near multiple SSBs, which has the following two advantages: on the one hand, it can realize that the terminal corresponding to the PO has a high probability of receiving the paging indication near its first SSB, Stop working as soon as possible according to the paging instructions, and be in a dormant state to reduce energy consumption.
  • the PO is divided into multiple MOs, and different MOs correspond to different SSBs in one SSB cycle
  • one PO corresponds to paging indications near multiple SSBs
  • the multiple SSBs are preferably divided with one PO
  • the obtained multiple MOs are in one-to-one correspondence, so that the terminal corresponding to each MO can receive the paging indication near the SSB, and realize the purpose of reducing energy consumption according to the indication of the paging indication.
  • paging indications are sent near both SSB1 and SSB2, that is, there can be multiple paging indications for the same PO to indicate whether there is a paging in the PO, so as to ensure monitoring of the DCI on the PO Most of the terminals can receive the paging indication near the first SSB they need to receive.
  • the multiple SSBs may be located in the same or different SSB cycles.
  • multiple SSBs correspond to multiple MOs
  • multiple SSBs The SSBs are located in the same SSB period, and when multiple SSBs correspond to the same MO, the multiple SSBs are located in different SSB periods.
  • FIG. 1g there are 5 SSB cycles, 4 SSBs are sent in each SSB cycle, and the indices (index) of each SSB are SSB0-SSB3 respectively.
  • Each SSB corresponds to each MO in the PO, that is, SSB0 corresponds to MO0, SSB1 corresponds to MO1, SSB2 corresponds to MO2, and SSB3 corresponds to MO3.
  • SSB and MO the indexes in SSB and MO.
  • the SSB before PO2 has SSB1 ⁇ SSB3
  • the SSB before PO1 has SSB1 ⁇ SSB2
  • SSB1 and/or SSB2 Both can be associated with PO1 and PO2 and used for pre-synchronization of the terminals corresponding to PO1 and PO2.
  • the paging indication near SSB2 may be associated with PO1 and PO2, indicating whether there is a paging in PO1 and PO2.
  • the SSB mentioned in this application may refer to one or more SSBs closest to the PO before the paging occasion
  • the paging indication near the SSB may refer to the paging indication starting from the end time of the SSB, or Refers to the paging indication after the end time of the SSB and the time difference from the end time of the SSB is less than the preset time threshold, or it can be a paging indication after the end time of the SSB and closer to the SSB.
  • the preset time threshold can be set as required and is not limited.
  • this application does not limit the SSB to be the SSB closest to the PO before the paging occasion.
  • a corresponding SSB can be configured for the paging occasion in advance, that is, the paging occasion is associated with the SSB.
  • the paging indication of the paging occasion may be located near the SSB.
  • the design of the paging indication is described below by taking the paging indication associated with the R paging occasions for indicating whether there is paging in the R paging occasions, where R is an integer greater than or equal to 1.
  • the paging indication in order for the paging indication to have the function of indicating whether there is paging in multiple POs, can at least include a first field, and the first field can be used to indicate whether there is paging in the R POs.
  • the R POs indicated by the first field may be different POs in the same DRX cycle, POs in different DRX cycles, or POs that appear in different DRX cycles, which are not limited.
  • the R POs may be POs that appear in the same DRX cycle.
  • the R POs are different POs.
  • PO3 can be a different PO appearing in the same DRX cycle 1.
  • the R POs may be POs that appear in different DRX cycles.
  • PO1 may be POs in DRX cycle 1
  • PO2 and PO3 may be DRX cycles.
  • PO in 2 three are different POs.
  • the R POs may be multiple periodic occurrences of the R POs in multiple DRX cycles, that is, the first field is used to indicate whether one or several POs have pages in consecutive R DRX cycles, so that the PO
  • the terminal is instructed in advance to be in a dormant state in these several DRX cycles, so as to realize the purpose of energy saving for a long time.
  • the first field can be used for PO1 in DRX cycle 1, PO in DRX cycle 2, and PO3 in DRX cycle 3 whether there is paging, that is, the first field is used to indicate the same PO that is sent periodically or, the first field may indicate whether there is a page in PO1 in DRX cycle 1, PO in DRX cycle 2, and PO1 in DRX cycle 1, PO2 in DRX cycle 2.
  • the first field may include R pieces of indication information, the R pieces of indication information are in one-to-one correspondence with the R pieces of paging occasions, and the i-th piece of indication information in the R pieces of indication information indicates the th piece of the R paging occasions.
  • i is an integer greater than or equal to 1 and less than or equal to R.
  • the present application does not limit the ordering of the R pieces of indication information in the first field, and the R pieces of indication information may be arranged in the first field according to the time domain positions of the R paging occasions. For example, according to the order of the time domain positions, the The indication information corresponding to the paging occasion with the earlier time domain position is arranged in the front, and the indication information corresponding to the paging occasion with the later time domain position is arranged later; The indication information is arranged at the back, and the indication information corresponding to the paging occasion whose time domain position is at the back is arranged at the front, and may also be arranged in the first field according to a preset order, which is not limited.
  • the paging indication near SSB2 needs to indicate the information of PO1, PO2 and PO3. Since the order of the three POs is PO1 to PO3, the order of the three indication information in the DCI is the indication information of PO1 and the indication of PO2. information, PO3 indication information.
  • each indication information may include a bit, and the bit is used to indicate whether there is paging in a paging occasion, such as a binary bit "1" indicating When there is a page in the paging occasion, the binary bit "0" indicates that there is no paging in the paging occasion.
  • the indication information corresponding to the paging occasion may include M bits, and one bit is used to indicate one group.
  • the M bits in the indication information can be arranged in the indication information according to the group numbers of the M groups. Specifically, which group a terminal belongs to can be obtained by calculation according to the UE_ID, for example, floor(floor(UE_ID/N)/Ns)mod M, or floor(UE_ID/N/Ns)mod M. In this way, the number of terminals in a group can be further reduced. For example, from the N*Ns group to the N*Ns*M group, the false alarm probability of the terminals in each group in the N*Ns*M group can be reduced. , to improve the probability of the terminal being successfully paged.
  • the specific indication method of the first field may include the following situations: Case 1.
  • the first field includes an indication information, and the indication information may include a number of bits used to indicate whether the PO has paging in R consecutive DRX cycles, Alternatively, the indication information may include R bits, and the jth bit is used to indicate whether the PO has paging in the jth DRX cycle; or, the first field includes R indication information, and one indication information may include one The number of bits, the ith indication information is used to indicate whether the PO has paging in the jth DRX cycle, and j is an integer greater than or equal to 1 and less than or equal to R.
  • the first field includes P pieces of indication information, one indication information may include a number of bits, and the i-th indication information is used to indicate whether the i-th PO has paging in consecutive Q DRX cycles , or, the first field includes P pieces of indication information, one piece of indication information may include Q bits, and the jth bit number in the ith indication information is used to indicate whether the ith PO has a number of bits in the jth DRX cycle paging; or, the first field includes R pieces of indication information, one piece of indication information may include a number of bits, and the ith indication information is used to indicate whether the ith PO has paging in the jth DRX cycle, and j is greater than An integer equal to 1 less than or equal to R.
  • the first field includes P pieces of indication information
  • one indication piece of information may include Q*M bits
  • the s-th bit in the i-th indication information is used to indicate that the s-th packet in the i-th PO is in the j-th Whether there is any paging within a DRX cycle.
  • the number of paging occasions corresponding to different paging indications may be the same or different, that is, the number of paging occasions corresponding to the paging indications may be fixed or dynamically adjusted.
  • the quantity of indication information included in the first field in different paging indications may be the same or different, that is, the quantity of indication information included in the first field changes with the change of the paging occasion corresponding to the paging indication, and may be a fixed quantity or a is dynamically adjusted.
  • the number of bits included in different indication information may be the same or different, and may be a fixed number or dynamically adjusted.
  • the information included in the SM is also very important to the terminal. If the SMI and SM in the DCI are not included in the paging indication, the terminal will confirm whether there is an SM and further confirm whether there is one or more of the following in the SM: Various types of information: system message change indication information, earthquake and tsunami warning and commercial mobile alert information, indication information to stop monitoring paging messages, even if the terminal knows that no paging message is sent, it still needs to go to the PO to receive DCI, and from DCI In this way, the terminal needs to maintain the working state to the PO position anyway, and it needs to consume a lot of energy.
  • the paging indication can also carry a second field and a third field, and the second field and the third field can be used for the terminal in the terminal.
  • the second field and the third field can be oriented to all terminals corresponding to the R POs. For all the terminals corresponding to the R POs, the second field and the third field indicate The content is the same.
  • the second field may be used to indicate whether the paging indication includes SM, the second field may occupy 1 bit, and the 1 bit may be used to indicate whether the paging indication includes SM.
  • the second field may be named SMI, but the SMI in the paging indication and the SMI in the DCI occupy different numbers of bits (or called lengths), and the indicated contents are different.
  • the third field may be used to indicate the SM, and the SM may include one or more of system message change indication information, earthquake and tsunami warning and commercial mobile warning information, and indication information for stopping monitoring paging messages.
  • the length of the third field (or the number of bits occupied) can be specified in the protocol or configured by a network device (such as an access network device). For example, the access network device can configure the length of the third field according to the information indicated to the terminal as needed. .
  • the third field may be specified or configured to occupy 2 bits, 3 bits, or 8 bits, etc., without limitation. If the third field occupies 2 bits, under the condition that the second field indicates that there is an SM, the third field can carry SI change information and ETWS information. If the third field occupies 3 bits, in the case where the second field indicates that there is an SM, the third field may carry SI change information, ETWS information, and information on whether to stop paging (stop-paging) in the NRU. If the third field occupies 8 bits, in the case that the second field indicates that there is an SM, the third field can carry SI change information, ETWS information and information on whether to stop paging (stop-paging) in the NRU, and the remaining 5 bits are reserved.
  • an assistance reference signal is a reference signal configured by an access network device to one or more terminals in an idle state or an inactive state to assist the terminal in time-frequency synchronization and AGC adjustment.
  • the access network device may indicate to the terminal in advance whether these RSs are still available, that is, the availability of the RSs. Therefore, in addition to the first field, the second field and the third field, the paging indication may also carry a fourth field, and the fourth field may be used to indicate the availability (availability) of the assistance RS.
  • the length of the fourth field may be equal to the number of auxiliary reference signals or auxiliary reference signal groups configured by the network device, wherein the auxiliary reference signal group may include one or more auxiliary reference signals, which are the auxiliary reference signals configured by the network device.
  • the auxiliary reference signal group obtained by dividing the signal according to the preset division granularity.
  • the preset division granularity can be set as required, for example, one auxiliary reference signal group may include 4 auxiliary reference signals, or one auxiliary reference signal group may include 3 auxiliary reference signals, etc., which is not limited.
  • the fourth field is information common to the R POs, which is called PO common information.
  • the fourth field is oriented to all terminals corresponding to the R POs, and each terminal corresponding to the R POs can parse the fourth field. field, and according to the information carried in the fourth field, it is determined whether the auxiliary reference signal or the auxiliary reference signal group configured by the network device is available.
  • the length of the fourth field may be 9 bits, and these 9 bits correspond to the 9 RSs one-to-one, indicating whether the 9 RSs are available;
  • An auxiliary reference signal group includes 3 auxiliary reference signals.
  • the length of the fourth field is 3 bits. These 3 bits correspond to the three auxiliary reference signal groups one-to-one, respectively Indicates whether these three auxiliary reference signal groups are available.
  • the length of the fourth field may be equal to the number of auxiliary reference signals or auxiliary reference signal groups associated with the R paging occasions.
  • auxiliary reference signal group For the related description of the auxiliary reference signal group, reference may be made to the above, and details are not repeated.
  • the fourth field is the information common to the R POs, which is called PO common information.
  • the fourth field can be oriented to all terminals corresponding to the R POs, and each terminal in all the terminals corresponding to the R POs can be parsed
  • the auxiliary reference signal or auxiliary reference signal group associated with the R paging occasions is determined according to the information carried in the fourth field.
  • the fourth field includes R subfields, the R subfields correspond to the R paging occasions, one subfield may be used to indicate the availability of the auxiliary reference signal associated with the paging occasion corresponding to the subfield, and one The length of the subfield may be equal to the number of auxiliary reference signals or auxiliary reference signal groups associated with the paging occasion corresponding to the subfield, that is, the fourth field is divided into subfields corresponding to a single specific paging occasion, and one subfield indicates Availability of Auxiliary Reference Signals associated with a paging occasion. Therefore, in this example, a subfield carries information about a specific PO, which is oriented to a single PO and is PO specific information.
  • These three subfields are in one-to-one correspondence with PO1 to PO3.
  • the first subfield indicates whether the two RSs associated with PO1 are available
  • the second subfield indicates whether the two RSs associated with PO2 are available
  • the third subfield indicates whether the two RSs associated with PO3 are available. Whether 2 RSs are available.
  • the subfields may be arranged according to the time-domain positions of the POs associated with the subfields, for example, the subfields corresponding to the POs whose time-domain position is at the front or the sub-fields corresponding to the POs whose time-domain position is at the back are arranged at the front. Fields are arranged first, etc., and each subfield can be arranged in a preset order without limitation.
  • the paging indication may further include a fifth field.
  • the fifth field may be used to directly indicate or indirectly indicate the number of paging occasions indicated by the first field.
  • the value of the fifth field may be the number R of paging occasions indicated by the first field.
  • the value of the five fields can directly determine the number R, or there is a mapping relationship between the value of the fifth field and the number R, and the number R of paging occasions indicated by the first field can be determined according to the mapping relationship.
  • the following table 1 shows the mapping relationship between the bits carried in the first field and the number R.
  • bit 00 corresponds to the number 2
  • bit 01 corresponds to the number 3
  • bit 10 corresponds to the number 4
  • bit 11 corresponds to the number R
  • the number is 5.
  • the fifth field carries bit 10
  • the fifth field may be used to indicate the length of the first field. If, as described above, the first field includes R pieces of indication information, and one indication information includes one bit, the length of the first field may be 5 bits, The value of the fifth field may indicate 5, for example, the fifth field may directly carry a numerical value R or carry a binary bit number that has a mapping relationship with R, and the like. If as described above, the first field includes R pieces of indication information, one piece of indication information includes M bits, and the length of the first field is R*M, the value of the fifth field may indicate R*M, for example, the fifth field may Carry the value R*M directly or carry several binary bits that have a mapping relationship with R*M, etc.
  • the fifth field is information common to POs, which is called PO common information.
  • the fifth field can be oriented to all terminals corresponding to R POs, and all terminals corresponding to R POs can parse the fifth field.
  • the carried information determines the number R of paging occasions or the length of indication information corresponding to the R paging occasions.
  • the remaining fields in the DCI are mainly used to indicate the time-frequency resources and transmission parameters for scheduling PDSCH carrying paging messages. Since the paging indication is sent in advance of the PO, and the interval between the paging indication and the PDSCH may be long, the access network device may not be able to predict/decide in advance what time-frequency resources to use when actually sending the PDSCH, Transmission parameters, therefore FDRA field, TDRA field, VRB-to-PRB mapping field, MCS field, TB scaling field are not suitable for inclusion in paging indication.
  • the paging indication may include at least the first field as shown in FIG. 2, and may further include the second field, the third field, the fourth field, and the fifth field. At this time, if the length of the paging indication is If it is long enough, and there are remaining bits, these remaining bits can be used as padding in the paging indication.
  • the first field is a PO specific field
  • the indication information in the first field is for a specific PO
  • the second field, the third field, and the fifth field are PO common fields, which can be oriented to R POs For all the corresponding terminals, these fields are shared by the R POs.
  • the fourth field can be a PO common field or a PO specific field.
  • FIG. 2 is only an exemplary drawing. In addition to the fields shown in FIG. 2 , with the development of communication technology, FIG. 2 may also include other fields that can be included in the paging indication, without limitation.
  • the terminal's energy consumption be reduced by indicating to the terminal whether there is paging in the PO in advance, but also a paging indication can be used to indicate that multiple POs reach a one-time indication of whether there are paging in multiple POs
  • a paging indication can be used to indicate that multiple POs reach a one-time indication of whether there are paging in multiple POs
  • the PO common field is used as much as possible to save signaling overhead.
  • the following describes how the terminal determines which POs are the R POs indicated by the first field when the first field indicates whether there is paging in the R POs.
  • One paging occasion corresponds to K paging indications, that is, one paging occasion may be indicated by K paging indications.
  • K is an integer greater than or equal to 1, and K may be pre-configured by the access network device to the terminal or pre-specified by the protocol, and is not limited.
  • the K paging indications corresponding to the paging occasion may be the consecutive K paging indications that are closest to the paging occasion before the paging occasion, and the consecutive K paging indications that are the closest to the paging occasion before the paging occasion. corresponding to each SSB, and the paging indication is located near the SSB corresponding to the paging indication.
  • the K consecutive SSBs are K SSBs in consecutive K SSB cycles, or SSBs with the same index (index) in the K consecutive SSB cycles.
  • the terminal after the terminal calculates its own PO, it can determine the K consecutive SSBs that are located in front of its own PO and closest to the PO according to the time domain position of the PO and the time domain position of the SSB, and determine the K SSBs corresponding to the PO of the terminal K paging indications nearby, further, according to the same method, the terminal can obtain several other POs near its own PO by calculating, and determine the K paging indications corresponding to each PO in these POs.
  • the K paging indications corresponding to each of the POs may be the same paging indication as the K paging indications corresponding to the PO of the terminal. In this way, the terminal can determine the K paging indications corresponding to its own PO. Which POs are associated with each paging indication in .
  • the terminal After the terminal determines which POs are associated with the paging instructions corresponding to its own POs, it can determine the instructions corresponding to its own POs according to the time domain positions of these POs and the sorting rule of the indication information in the first field. Which indication information is the information, and then determine whether there is paging in the own PO according to the instruction information corresponding to the own PO, and stop working as soon as possible in the absence of paging to save energy consumption.
  • the number of POs corresponding to different paging indications may be the same or different.
  • the paging indication corresponding to PO5 can be two paging indications corresponding to SSB4 and SSB5
  • the paging indication corresponding to PO4 can be two paging indications corresponding to SSB4 and SSB3
  • PO3 corresponds to
  • the paging indications can be two paging indications corresponding to SSB3 and SSB2
  • the paging indications corresponding to PO2 can be two paging indications corresponding to SSB3 and SSB2
  • the paging indications corresponding to PO1 can be SSB2 and SSB1.
  • the paging indication near SSB4 can correspond to PO4 and PO5
  • the paging indication near SSB3 can correspond to PO3 and PO2
  • the paging indication near SSB2 can correspond to PO3, PO2 and PO1
  • the paging indication near SSB1 only corresponds to PO1.
  • the terminal can determine that its corresponding paging indication also corresponds to PO1 and PO3, according to the time domain position relationship of PO3, PO2 and PO1 and
  • the sorting rule corresponding to the indication information determines that the indication information corresponding to PO2 is the second indication information in the first field.
  • Method 2 Configure a monitoring time interval before the paging opportunity, so that after the terminal calculates and obtains its own paging opportunity, it receives the paging instruction corresponding to the paging opportunity within the monitoring time interval corresponding to the paging opportunity. Obtain the indication information corresponding to the paging occasion from the paging occasion that arrives, and determine whether there is a paging in the paging occasion according to the indication information.
  • the monitoring time interval may be configured by the access network device to the terminal.
  • the access network device sends the monitoring time window (monitoring window) configuration information to the terminal, and the terminal receives the monitoring time window configuration information, and according to the received monitoring time window configuration information Determine the monitoring time interval corresponding to the paging occasion.
  • the monitoring time window configuration information may directly include the monitoring time interval, or the monitoring time window configuration information may include the starting point of the monitoring time interval. A certain time point before the start time of the opportunity; or, the monitoring time configuration information may include the start point and the end point of the monitoring time interval, which is not limited.
  • the terminal calculates its own PO, it can calculate and obtain several other POs near its own PO, and determine the paging indication corresponding to each PO in these POs.
  • the paging indication corresponding to the PO is Located near the SSB before this PO. Further, it can be determined which paging indications corresponding to several other POs near the PO of the terminal are also included in the monitoring time interval corresponding to the PO of the terminal, and then determine which POs are associated with the paging indications in the monitoring time interval. po.
  • the corresponding indication information of one's PO is according to the time domain position of these POs and the sorting rule of the indication information in the first field. which instruction information, and then determine whether there is paging in the own PO according to the instruction information corresponding to the own PO, and stop working as soon as possible in the absence of paging to save energy consumption.
  • the number of paging occasions corresponding to different paging indications may be the same or different.
  • SSB1-SSB5 before PO5
  • SSB1-SSB4 before PO4
  • SSB1-SSB3 before PO3, SSB1-SSB3 before PO2
  • SSB1-SSB2 before PO1.
  • PO is PO2
  • the monitoring time interval corresponding to PO2 of the terminal is a time interval from the start point of SSB1 to the end point of the paging indication near SSB2
  • the paging indications near SSB2 and SSB1 are within the monitoring time interval.
  • the paging indication corresponding to PO3 can be the paging indication near SSB3, SSB2, and SSB1, and the paging indication corresponding to PO2 can be. It is a paging indication near SSB3, SSB2, and SSB1, and the paging indication corresponding to PO1 may be a paging indication near SSB2 and SSB1.
  • the paging indications near SSB2 can correspond to PO1, PO2, and PO3, and the paging indications near SSB1 correspond to PO1, PO2, and PO3, and then according to the time domain position relationship of PO3, PO2, and PO1 and the ordering corresponding to the indication information rule, determine that the indication information corresponding to PO2 is the second indication information in the first field.
  • Manner 3 The number of paging occasions indicated by one paging indication is configured to be R, and the number of paging occasions indicated by different paging indications is the same, and both are R.
  • the R paging occasions indicated by the paging indication may be consecutive R paging occasions after the paging occasion, and the first paging occasion among the R paging occasions may be the paging indication. After that, a paging occasion closest to the paging indication.
  • the value of R can be configured to the terminal by the access network device, or can be pre-specified by the protocol, and is not limited.
  • the terminal can know which R POs the paging indication corresponds to, and which R POs corresponding to the paging indication include the PO of the terminal, and then according to the paging indication corresponding R POs.
  • PO and the sorting rule of the indication information in the first field determine which indication information corresponds to your PO, and then determine whether there is paging in your PO according to the indication information corresponding to your PO, and if there is no paging In case of emergency, stop work as soon as possible to save energy consumption.
  • the terminal can determine that the paging indication corresponding to PO2 located in SSB1 also indicates PO1 and PO3, and then according to the time domain position relationship of PO3, PO2 and PO1 and the sorting rule corresponding to the indication information, determine the indication corresponding to PO2
  • the information is the second indication information in the first field.
  • the M bits included in the indication information corresponding to the paging occasions may be fixed or dynamically adjusted.
  • the M bits included in the indication information corresponding to the paging occasions may be fixed or dynamically adjusted.
  • all bits in the fixed-length paging indication are occupied as much as possible, that is, all bits are filled with available information.
  • Example 1 If there are other fields indicating valid information except the first field in the paging indication, then If the field indicating valid information in the paging indication is only the first field, the value of M is
  • A is the length of the paging indication
  • B is the length of the fields in the paging indication indicating valid information except the first field, such as the above-mentioned second field, third field, fourth field and fifth field. total length.
  • the number of bits of padding in the paging instruction can be made as small as possible, the number of bits of valid information can be made as large as possible, and the number M of further groupings at paging occasions can be made as large as possible, thereby reducing the paging falsehood of the terminal.
  • the alarm probability increases the probability that the terminal is successfully paged.
  • the indication information corresponding to each paging occasion includes: bits; the indication information corresponding to each paging occasion in the remaining paging occasions among the R paging occasions includes: bits.
  • A is the length of the paging indication
  • B is the length of the fields in the paging indication indicating valid information except the first field, such as the above-mentioned second field, third field, fourth field and fifth field. total length. It should be noted that, if the field indicating valid information in the paging indication is only the first field, the value of B in the formula shown in Example 2 is 0.
  • the indication information corresponding to each paging occasion may be some indication information at the front, some indication information at the back, or some indication information on the preset position in the first field, which is not limited. For example, taking 10 bits to indicate 4 POs as an example, according to the method shown in Example 2, it can be obtained that the number of bits included in the 4 indication information corresponding to the 4 POs is ⁇ 3, 3, 2, 2 ⁇ , or ⁇ 2 , 2, 3, 3 ⁇ .
  • Example 2 Through the method shown in Example 2, the existence of padding bits can be completely avoided, the number of bits of valid information is as large as possible, and the number M of further paging occasions is as large as possible, thereby reducing the paging false alarm probability of the terminal and improving the success rate of the terminal.
  • the probability of paging is the probability of paging.
  • the terminal device can assume that there is a quasi-co-location relationship between the paging indication and the synchronization signal block SSB closest to the paging indication.
  • the QCL relationship between the paging indication and the SSB can be equivalently described as a QCL relationship between the CORESET associated with the search space where the paging indication is located and the associated (or closest) SSB.
  • the QCL relationship actually represents what beam receiving parameters the terminal uses to receive signals.
  • the terminal can use the same receiving beam to receive the two signals. For example, if there is a QCL relationship between the paging indication and the synchronization signal block SSB closest to the paging indication, the terminal can receive the paging indication using the same receive beam as the SSB. If there is a QCL relationship between the paging indication and the SSB associated with the paging indication, the terminal may receive the paging indication using the same receive beam as the SSB associated with the paging indication.
  • the indication information corresponding to the paging occasion received by the terminal may be inconsistent, so that the terminal cannot achieve the purpose of energy saving through the paging indication.
  • a terminal with poor coverage needs to receive SSB1 and SSB2 for pre-synchronization. If the contents indicated by the paging indications near SSB1 and SSB2 are consistent, the terminal receives the paging indication near SSB1 and obtains an indication that it will not be paged. , you can enter the sleep state to save energy. If the contents indicated by the paging indications near SSB1 and SSB2 are inconsistent, the terminal has to receive the paging indications near SSB2 for insurance purposes, and thus the energy saving gain cannot be obtained.
  • the following describes the process of the network device paging the terminal by taking the paging indication as the above design as an example.
  • the paging method provided by the embodiments of the present application can be used for a fourth generation (4th generation, 4G) system, a long term evolution (long term evolution, LTE) system, a fifth generation (5th generation, 5G) system, a new radio interface (new radio, NR) system, NR-vehicle-to-everything (V2X) system, any system in the Internet of Things system, and can also be applied to other next-generation communication systems, etc., without limitation.
  • the paging method provided by the embodiment of the present application is described below by taking the communication system shown in FIG. 4 as an example.
  • FIG. 4 is a schematic diagram of a communication system provided by an embodiment of the present application.
  • the communication system may include a network device and multiple terminals, such as terminal 1 , terminal 2 , and terminal 3 .
  • data transmission can be carried out between the terminal and the network device through the Uu port, such as the network device can send downlink data to the terminal through the Uu port, and the terminal can send the uplink data to the network device through the Uu port.
  • Data transmission may be performed between the terminals through the SL.
  • the network devices and terminals in FIG. 4 may be referred to as communication devices.
  • FIG. 4 is an exemplary frame diagram, the number of nodes included in FIG. 4 is not limited, and in addition to the functional nodes shown in FIG. 4, other nodes may also be included, such as: core network equipment, gateway equipment, Application servers, etc., are not limited.
  • the network equipment is mainly used to implement functions such as resource scheduling, wireless resource management, and wireless access control of the terminal.
  • the network device may be any node among a small base station, a wireless access point, a transmission receive point (TRP), a transmission point (TP), and some other access node.
  • the device for implementing the function of the network device may be a network device, or a device capable of supporting the network device to realize the function, such as a chip system (for example, a chip or a processing system composed of multiple chips) Or a modem.
  • a chip system for example, a chip or a processing system composed of multiple chips
  • modem a modem.
  • the terminal may be a terminal equipment (terminal equipment) or a user equipment (user equipment, UE) or a mobile station (mobile station, MS) or a mobile terminal (mobile terminal, MT).
  • the terminal may be a mobile phone (mobile phone), a tablet computer, or a computer with a wireless transceiver function, and may also be a virtual reality (VR) terminal, an augmented reality (AR) terminal, or a wireless terminal in industrial control.
  • Terminal wireless terminal in unmanned driving, wireless terminal in telemedicine, wireless terminal in smart grid, wireless terminal in smart city, smart home, vehicle terminal, etc.
  • the device for implementing the function of the terminal may be a terminal, or a device capable of supporting the terminal to implement the function, such as a chip system (eg, a chip or a processing system composed of multiple chips) or a modem.
  • a chip system e.g, a chip or a processing system composed of multiple chips
  • a modem e.g., a modem
  • each network element shown in FIG. 4 may adopt the composition structure shown in FIG. 5 or include the components shown in FIG. 5 .
  • FIG. 5 is a schematic diagram of the composition of a communication device 500 provided by an embodiment of the present application.
  • the communication device 500 may be a terminal or a chip or on-chip in the terminal. system.
  • the communication apparatus 500 may include a processor 501 , a communication line 502 and a communication interface 503 . Further, the communication device 500 may further include a memory 504 . The processor 501 , the memory 504 and the communication interface 503 may be connected through a communication line 502 .
  • the processor 501 may be a central processing unit (CPU), a general-purpose processor, a network processor (NP), a digital signal processing (DSP), a microprocessor, or a microcontroller. , programmable logic device (PLD) or any combination of them.
  • the processor 501 may also be other apparatuses having processing functions, such as circuits, devices or software modules.
  • the communication line 502 is used to transmit information between components included in the communication device 500 .
  • the communication interface 503 is used to communicate with other devices or other communication networks.
  • the other communication network may be Ethernet, radio access network (RAN), wireless local area networks (WLAN) and the like.
  • the communication interface 503 may be a radio frequency module, a transceiver, or any device capable of communication.
  • the embodiments of the present application are described by taking the communication interface 503 as an example of a radio frequency module, wherein the radio frequency module may include an antenna, a radio frequency circuit, and the like, and the radio frequency circuit may include a radio frequency integrated chip, a power amplifier, and the like.
  • Memory 504 for storing instructions.
  • the instructions may be computer programs.
  • the memory 504 may be a read-only memory (ROM) or other types of static storage devices that can store static information and/or instructions, or a random access memory (RAM) or a Other types of dynamic storage devices that store information and/or instructions, and may also be electrically erasable programmable read-only memory (EEPROM), compact disc read-only memory (CD- ROM) or other optical disc storage, optical disc storage, magnetic disk storage media or other magnetic storage devices, optical disc storage includes compact disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.
  • ROM read-only memory
  • RAM random access memory
  • EEPROM electrically erasable programmable read-only memory
  • CD- ROM compact disc read-only memory
  • magnetic disk storage media or other magnetic storage devices optical disc storage includes compact disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.
  • the memory 504 may exist independently of the processor 501 , or may be integrated with the processor 501 .
  • the memory 504 may be used to store instructions or program code or some data or the like.
  • the memory 504 may be located in the communication device 500, or may be located outside the communication device 500, which is not limited.
  • the processor 501 is configured to execute the instructions stored in the memory 504 to implement the paging method provided by the following embodiments of the present application.
  • processor 501 may include one or more CPUs, such as CPU0 and CPU1 in FIG. 5 .
  • the communication apparatus 500 includes a plurality of processors, for example, in addition to the processor 501 in FIG. 5 , a processor 507 may also be included.
  • the communication apparatus 500 further includes an output device 505 and an input device 506 .
  • the input device 506 is a keyboard, a mouse, a microphone or a joystick, and the like
  • the output device 505 is a display screen, a speaker, and the like.
  • the communication apparatus 500 may be a desktop computer, a portable computer, a network server, a mobile phone, a tablet computer, a wireless terminal, an embedded device, a chip system or a device with a similar structure in FIG. 5 .
  • the composition shown in FIG. 5 does not constitute a limitation on the communication device, and in addition to the components shown in FIG. 5 , the communication device may include more or less components than those shown in the figure, or combine some components , or a different component arrangement.
  • the chip system may be composed of chips, or may include chips and other discrete devices.
  • each device may have the components shown in FIG. 5 , and the actions, terms, etc. involved in the various embodiments may refer to each other.
  • An example, other names may also be used in specific implementations, which are not limited.
  • "comprising” described in this application may be replaced by “comprising” or "carrying” and the like.
  • the paging indication described in this application may be described as WUS or early paging indication, etc. instead.
  • FIG. 6 provides a paging method according to an embodiment of the present application. As shown in FIG. 6 , the method may include:
  • Step 601 The network device determines the paging terminal.
  • the network device may be the network device shown in FIG. 4 , and the terminal may include one or more terminals in an idle state or an inactive state in FIG. 4 , such as a first terminal, a second terminal, a third terminal, etc.
  • the terminals may correspond to the same PO or different POs, which are not limited. This embodiment is described by taking an example that these terminals correspond to the same PO.
  • the network device determines to page the terminal, triggers the terminal to switch from an idle state or an inactive state to a connected state, and receives downlink services in the connected state.
  • Step 602 The network device periodically sends one or more SSBs before the PO of the terminal, and sends one or more paging indications near the one or more SSBs.
  • the PO of the terminal may be the time interval in which the DCI of the PDSCH carrying the paging message is monitored and scheduled for the terminal.
  • the network device may determine the PF of the terminal and the PF of the terminal according to the above formula (1) and the above formula (2). PO, will not go into details.
  • the SSB may be used for the terminal to perform pre-synchronization, and the related description of the SSB is as described above and will not be repeated.
  • the paging indication can be used to indicate whether there is paging in one or more POs including the PO of the terminal.
  • the paging indication can indicate whether there is paging in R POs, where R is an integer greater than or equal to 1 .
  • the number of indication information included in the paging indication and the number of bits included in each indication information can be referred to the above description.
  • an indication information may include one bit or M bits, and the number of bits included in each indication information is the same or different. I won't go into details.
  • the nearby SSBs that send paging indications may be located in the same SSB cycle, or may be located in different SSB cycles, which is not limited.
  • the SSB that transmits the paging indication nearby may be referred to as the SSB associated with/corresponding to the paging indication or the SSB closest to the paging indication, etc., which is not limited.
  • an SSB can correspond to a paging indication, that is, a paging indication can be sent near an SSB, and the location relationship between an SSB and its nearby paging indications can be referred to above, and will not be repeated.
  • each paging indication can be described with reference to FIG. 2.
  • the mapping relationship between paging indications and POs such as the way of determining how many POs a paging indication specifically indicates, how many POs a PO corresponds to, etc.
  • one paging indication can indicate R POs
  • one PO can correspond to K paging indications
  • one PO corresponds to a paging indication in a monitoring time interval, etc. , without further elaboration.
  • the indication information used to indicate the PO of the terminal in the multiple paging indications is:
  • the inconsistency of the indication information corresponding to the same PO can be solved by this, so as to ensure that the terminal obtains the indication information in preparation, and enters the sleep state in advance when the indication is not paging, so as to realize energy saving.
  • the relationship between the SSBs corresponding to the PO and the PO is a QCL relationship or the relationship between the SSBs associated with the PO and the PO is a QCL relationship
  • the network device may send the paging indication to the terminal according to the sending beam of the SSB, and correspondingly, the terminal receives the paging indication according to the receiving beam of the SSB, thereby improving the accuracy of the terminal receiving the paging indication.
  • Step 603 The network device sends DCI in the PO of the terminal, and the DCI is used to schedule the PDSCH carrying the paging message.
  • the related descriptions of the DCI and the PDSCH may refer to the above, and will not be repeated.
  • the paging message may include identification information of multiple terminals (such as the first terminal, the second terminal, etc.) that need to be paged, and the POs of the terminals that need to be paged are the same.
  • the purpose of calling multiple terminals is to reduce the signaling overhead and energy consumption caused by the interaction between network equipment and terminals.
  • Step 604 The terminal receives one or more SSBs, and receives one or more paging indications.
  • the terminal may determine which SSBs need to be received according to the relevant configuration of the SSB, its own coverage and/or its own hardware processing capability, and further, according to the above-mentioned mode 1 or mode 2 or mode 3, the terminal's PO corresponds to
  • the paging indications of the SSBs are located near which SSBs among the SSBs to be received are located, and one or more SSBs and one or more paging indications are received according to the determination result.
  • step 603 and step 604 can be executed simultaneously or as shown in FIG. etc., without limitation.
  • the design form of paging indication such as which fields are included in the paging indication, and how many bits are included in each indication information in the paging indication)
  • the design form of paging indication such as which fields are included in the paging indication, and how many bits are included in each indication information in the paging indication
  • the design form of paging indication such as which fields are included in the paging indication, and how many bits are included in each indication information in the paging indication
  • the design form of paging indication such as which fields are included in the paging indication, and how many bits are included in each indication information in the paging indication
  • the two can pre-determine which design form and which determination method to use, or, by the network
  • the device determines which design form and determination method to select, and indicates the selection result to the terminal, etc., without limitation.
  • Step 605 The terminal determines whether to monitor (or continue to monitor) the DCI in the PO of the terminal according to the first paging indication.
  • the first paging indication may be the first paging indication among one or more paging indications corresponding to the PO of the terminal, or may be any one of the one or more paging indications corresponding to the PO of the terminal. Call instructions, etc., are not restricted.
  • the terminal determining whether to monitor (or continue to monitor) the DCI in the PO of the terminal according to the first paging indication may include: the terminal determining, according to the time domain position of the PO of the terminal in the R POs, an indication corresponding to the PO of the terminal. information, according to the indication information corresponding to the PO of the terminal to determine whether to monitor the DCI on the PO of the terminal. For example, if the indication information corresponding to the PO of the terminal is used to indicate that there is paging in the PO of the terminal, it is determined to monitor the DCI on the PO of the terminal.
  • the indication information corresponding to the PO in the terminal is used to indicate that there is no paging in the PO of the terminal, it is determined not to monitor the DCI on the PO of the terminal, and the terminal stops working and enters a dormant state to save energy consumption.
  • the R pieces of indication information corresponding to the R pieces of POs can be arranged in the paging indication according to the time domain position of the R pieces of POs.
  • the indication information corresponding to the PO with the later time domain position is arranged later in the paging indication, or the indication information corresponding to the PO with the earlier time domain position is arranged later in the paging indication, and the PO with the later time domain position
  • the corresponding indication information is arranged first in the paging indication.
  • the terminal determining the indication information corresponding to the PO of the terminal according to the time domain position of the PO of the terminal in the R POs may include: the terminal determining the indication information corresponding to the PO of the terminal according to the sorting rule of the R indication information.
  • the terminal determines to monitor the DCI in the PO of the terminal according to the first paging instruction, the terminal continues to be in a working state after receiving the first paging instruction, completes the pre-synchronization, and monitors the PO of the terminal after the pre-synchronization.
  • the DCI receives the PDSCH carrying the paging message at the resource location indicated by the DCI, determines whether it has been paged according to the identification information of the terminal carried in the paging message, and if it is paged, initiates a random access process, After the random access is successful, the service data is transmitted to and from the network device.
  • the network device can preset a paging indication before PO, and indicate to the terminal whether there is a paging in the PO in advance through the paging indication, so that when there is no paging in the PO, the terminal can be triggered to stop working in advance and enter the dormant state , to reduce the energy consumption of the terminal, at the same time, the method described in FIG. 6 can also indicate whether there is paging in multiple POs by setting a paging indication, so as to achieve the purpose of indicating whether there is paging in multiple POs at one time, saving information make overhead.
  • each node such as a terminal, etc.
  • each node includes corresponding hardware structures and/or software modules for performing each function.
  • the present application can be implemented in hardware or in the form of a combination of hardware and computer software, in conjunction with the algorithm steps of the examples described in the embodiments disclosed herein. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.
  • each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module.
  • the above-mentioned integrated modules can be implemented in the form of hardware, and can also be implemented in the form of software function modules. It should be noted that, the division of modules in the embodiments of the present application is schematic, and is only a logical function division, and there may be other division manners in actual implementation.
  • FIG. 7 shows a structural diagram of a communication device 70.
  • the communication device 70 may be a first communication device, or a chip in the first communication device, or a system-on-chip.
  • the communication device 70 may be used to execute the above-mentioned embodiments.
  • the communication device 70 shown in FIG. 7 includes: a receiving unit 701, and a processing unit 702;
  • the receiving unit 701 is configured to receive, before the paging occasion of the terminal, a first paging indication including a first field sent by a network device, and the first field is used to indicate whether the paging occasions including the paging occasion of the terminal are within the R paging occasions. Send a page.
  • the receiving unit 701 may support the communication device 70 to perform step 604 .
  • the processing unit 702 is configured to determine, according to the first paging occasion, whether to monitor the DCI for scheduling the paging message on the paging occasion of the terminal.
  • the processing unit 702 may support the communication device 70 to perform step 605 .
  • the communication device 70 is used to perform the function of the terminal in the paging method shown in the method shown in FIG. 6 , so it can achieve the same effect as the above-mentioned paging method.
  • the communication apparatus 70 shown in FIG. 7 includes: a processing module and a communication module.
  • the processing module is used to control and manage the actions of the communication device 70.
  • the processing module may integrate the functions of the processing unit 702, and may be used to support the communication device 70 to perform step 605 and other processes of the techniques described herein.
  • the communication module can integrate the function of the receiving unit 701, and can be used to support the communication device 70 to perform step 604 and communicate with other network entities, such as communication with the function modules or network entities shown in FIG. 4 .
  • the communication device 70 may also include a storage module for storing program codes and data of the communication device 70 .
  • the processing module may be a processor or a controller. It may implement or execute the various exemplary logical blocks, modules and circuits described in connection with this disclosure.
  • a processor may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a DSP and a microprocessor, and the like.
  • the communication module may be a transceiver circuit or a communication interface or the like.
  • the storage module may be a memory. When the processing module is a processor, the communication module is a communication interface, and the storage module is a memory, the communication device 70 involved in the embodiment of the present application may be the communication device 500 shown in FIG. 5 .
  • FIG. 8 is a structural diagram of a communication system provided by an embodiment of the present application.
  • the communication system may include: a terminal 80 and a network device.
  • the function of the terminal 80 is the same as that of the communication device 70 described above.
  • the terminal 80 is configured to receive, before the paging occasion of the terminal 80, a first paging indication including a first field sent by the network device, where the first field is used to indicate R pages including the paging occasion of the terminal 80 Whether to send paging within the opportunity, according to the first paging occasion, it is determined whether to monitor the DCI for scheduling the paging message on the paging occasion of the terminal 80 .
  • mapping relationship between the paging indication and the paging occasion, and the specific execution action of the terminal reference may be made to the relevant description and design method in the method shown in FIG.
  • Embodiments of the present application also provide a computer-readable storage medium. All or part of the processes in the above method embodiments can be completed by instructing the relevant hardware by a computer program, the program can be stored in the above computer-readable storage medium, and when the program is executed, it can include the processes in the above method embodiments.
  • the computer-readable storage medium may be the terminal in any of the foregoing embodiments, for example, an internal storage unit including a data sending end and/or a data receiving end, such as a hard disk or a memory of the terminal.
  • the above-mentioned computer-readable storage medium can also be an external storage device of the above-mentioned terminal, such as a plug-in hard disk equipped on the above-mentioned terminal, a smart memory card (smart media card, SMC), a secure digital (secure digital, SD) card, flash memory card (flash card) etc. Further, the above-mentioned computer-readable storage medium may also include both an internal storage unit of the above-mentioned terminal and an external storage device.
  • the above-mentioned computer-readable storage medium is used for storing the above-mentioned computer program and other programs and data required by the above-mentioned terminal.
  • the above-mentioned computer-readable storage medium can also be used to temporarily store data that has been output or is to be output.
  • Embodiment 1 a paging method, wherein the method includes:
  • the terminal receives the first paging indication sent by the network device before the paging occasion of the terminal, the first paging indication includes a first field, and the first field is used to indicate whether to send within the R paging occasions paging, the R paging occasions include the paging occasions of the terminal, and the R is an integer greater than or equal to 1;
  • the terminal determines, according to the first paging occasion, whether to monitor downlink control information DCI on the paging occasion of the terminal, where the DCI is used to schedule paging messages.
  • Embodiment 2 The method of Embodiment 1, wherein,
  • the first field includes R pieces of indication information, and the ith indication information in the R pieces of indication information indicates whether to send paging in the ith paging occasion among the R paging occasions, and the i is An integer greater than or equal to 1 and less than or equal to R.
  • Embodiment 3 The method according to Embodiment 2, wherein, according to the first paging occasion, the terminal determines whether to monitor downlink control information DCI on the paging occasion of the terminal, including:
  • the terminal determines the indication information corresponding to the paging occasion of the terminal according to the time domain position of the paging occasion of the terminal in the R paging occasions;
  • the terminal determines whether to monitor DCI on the paging occasion of the terminal according to the indication information corresponding to the paging occasion of the terminal.
  • Embodiment 4 The method according to any one of Embodiment 1 to Embodiment 3, wherein, before the paging occasion of the terminal, the terminal receives the first paging indication sent by the network device, including:
  • the terminal determines, according to the time domain position of the paging occasion of the terminal, K paging indications corresponding to the paging occasion of the terminal, wherein the K is an integer greater than or equal to 1;
  • the terminal receives the K paging indications before the paging occasion, and determines the first paging indication from the K paging indications.
  • Embodiment 5 The method of embodiment 4, wherein,
  • the K is configured by the network device to the terminal.
  • Embodiment 6 The method according to any one of Embodiments 1 to 3, wherein, before the terminal's paging occasion, receiving, by the terminal, the first paging indication sent by the network device includes:
  • the terminal receives the first paging indication sent by the network device within the monitoring time interval.
  • Embodiment 7 The method of embodiment 6, wherein,
  • monitoring time window configuration information sent by the network device, where the monitoring time window configuration information is used to determine the monitoring time interval
  • the terminal determines the monitoring time interval according to the monitoring time window configuration information.
  • Embodiment 8 The method according to any one of Embodiments 1 to 3, wherein the R paging occasions are the R closest to the first paging indication after the first paging indication paging timing.
  • Embodiment 9 The method of embodiment 8, wherein,
  • the R is configured by the network device to the terminal.
  • Embodiment 10 The method according to any one of Embodiment 1 to Embodiment 9, wherein the first field includes indication information corresponding to each of the R paging occasions, and the R paging occasions
  • the indication information corresponding to each paging occasion in the paging occasion includes M bits, and the M bits are used to indicate whether there is paging in the paging occasion corresponding to the indication information, and the M is greater than or An integer equal to 1.
  • Embodiment 11 The method of embodiment 10, wherein,
  • the M is configured by the network device to the terminal; or,
  • Embodiment 12 The method according to any one of Embodiment 1 to Embodiment 9, wherein the first field includes indication information corresponding to each of the R paging occasions;
  • the indication information corresponding to each paging occasion in the R paging occasions includes 1 bits; the indication information corresponding to each paging occasion in the remaining paging occasions in the R paging occasions includes 1 bits; the A is The length of the paging indication, where the B is the length of the fields indicating valid information except the first field in the paging indication.
  • Embodiment 13 The method according to any one of Embodiment 1 to Embodiment 12, wherein the paging indication further includes one or more of the following fields: a second field embodiment, a third field embodiment, the fourth field;
  • the second field is used to indicate whether the paging indication includes a short message SM
  • the third field is used to indicate the SM
  • the fourth field is used to indicate availability of an auxiliary reference signal, where the auxiliary reference signal is an auxiliary reference signal configured by the network device or an auxiliary reference signal associated with the R paging occasions;
  • Embodiment 14 The method according to Embodiment 13, wherein the second field is information common to the R paging occasions.
  • Embodiment 15 The method according to Embodiment 13, wherein the SM indicates one or more of the following information: an embodiment of system message change indication information, an embodiment of earthquake and tsunami warning information, an embodiment of commercial mobile alert information, Indication to stop monitoring paging messages.
  • Embodiment 16 The method according to any one of Embodiment 13 to Embodiment 15, wherein the length of the third field is configured by the network device.
  • Embodiment 17 The method according to any one of Embodiment 13 to Embodiment 16, wherein the third field is information common to the R paging occasions.
  • Embodiment 18 The method according to any one of Embodiment 13 to Embodiment 17, wherein the fourth field is used to indicate availability of auxiliary reference signals, including:
  • the length of the fourth field is equal to the number of auxiliary reference signals or auxiliary reference signal groups configured by the network device, where the auxiliary reference signal group includes one or more auxiliary reference signals; or,
  • the length of the fourth field is equal to the number of auxiliary reference signals or auxiliary reference signal groups associated with the R paging occasions, or,
  • the fourth field includes R subfields, the R subfields correspond to the R paging occasions, and one subfield is used to indicate the availability of the auxiliary reference signal associated with the paging occasion corresponding to the subfield.
  • Embodiment 19 The method according to any one of Embodiments 1 to 7, wherein the first paging indication further includes a fifth field; the fifth field is used to indicate the information indicated by the first field. the number of paging occasions; or,
  • the fifth field is used to indicate the length of the first field.
  • Embodiment 20 The method of any one of Embodiments 1 to 19, wherein,
  • the first fields in different paging indications have the same indication content for the same paging occasion.
  • Embodiment 21 The method of any one of Embodiments 1 to 20, wherein,
  • a QCL relationship is between the first paging indication and the SSB associated with the first paging indication.
  • Embodiment 22 a communication device, wherein the communication device comprises:
  • the terminal receives the first paging indication sent by the network device before the paging occasion of the terminal, the first paging indication includes a first field, and the first field is used to indicate whether to send within the R paging occasions paging, the R paging occasions include the paging occasions of the terminal, and the R is an integer greater than or equal to 1;
  • the terminal determines, according to the first paging occasion, whether to monitor downlink control information DCI on the paging occasion of the terminal, where the DCI is used to schedule paging messages.
  • Embodiment 23 The communication device of Embodiment 22, wherein,
  • the first field includes R pieces of indication information, and the ith indication information in the R pieces of indication information indicates whether to send paging in the ith paging occasion among the R paging occasions, and the i is An integer greater than or equal to 1 and less than or equal to R.
  • Embodiment 24 The communication apparatus according to Embodiment 24, wherein, according to the first paging occasion, the terminal determines whether to monitor downlink control information DCI on the paging occasion of the terminal, including:
  • the terminal determines the indication information corresponding to the paging occasion of the terminal according to the time domain position of the paging occasion of the terminal in the R paging occasions;
  • the terminal determines whether to monitor DCI on the paging occasion of the terminal according to the indication information corresponding to the paging occasion of the terminal.
  • Embodiment 25 The communication apparatus according to any one of Embodiment 22 to Embodiment 24, wherein, before a paging occasion of the terminal, the terminal receives a first paging indication sent by a network device, comprising:
  • the terminal determines, according to the time domain position of the paging occasion of the terminal, K paging indications corresponding to the paging occasion of the terminal, wherein the K is an integer greater than or equal to 1;
  • the terminal receives the K paging indications before the paging occasion, and determines the first paging indication from the K paging indications.
  • Embodiment 26 The communication device of Embodiment 25, wherein,
  • the K is configured by the network device to the terminal.
  • Embodiment 27 The communication apparatus according to any one of Embodiment 22 to Embodiment 24, wherein, before the terminal's paging occasion, receiving, by the terminal, the first paging indication sent by the network device includes:
  • the terminal receives the first paging indication sent by the network device within the monitoring time interval.
  • Embodiment 28 The communication device of Embodiment 27, wherein,
  • monitoring time window configuration information sent by the network device, where the monitoring time window configuration information is used to determine the monitoring time interval
  • the terminal determines the monitoring time interval according to the monitoring time window configuration information.
  • Embodiment 29 The communication apparatus according to any one of Embodiment 22 to Embodiment 24, wherein the R paging occasions are the R closest to the first paging indication after the first paging indication paging time.
  • Embodiment 30 The communication device of Embodiment 29, wherein,
  • the R is configured by the network device to the terminal.
  • Embodiment 31 The communication apparatus according to any one of Embodiment 22 to Embodiment 30, wherein the first field includes indication information corresponding to each of the R paging occasions, and the R The indication information corresponding to each paging occasion in the paging occasions includes M bits, and the M bits are used to indicate whether there is paging in the paging occasion corresponding to the indication information, and M is greater than or equal to or an integer equal to 1.
  • Embodiment 32 The communication device of Embodiment 31, wherein,
  • the M is configured by the network device to the terminal; or,
  • the M satisfies the formula:
  • the A is the length of one paging indication
  • the B is the length of the fields indicating valid information in the paging indication except the first field.
  • Embodiment 33 The communication apparatus according to any one of Embodiment 22 to Embodiment 30, wherein the first field includes indication information corresponding to each of the R paging occasions;
  • the indication information corresponding to each paging occasion includes: bits; the indication information corresponding to each paging occasion in the remaining paging occasions among the R paging occasions includes: bits; the A is the length of the paging indication, and the B is the length of the field indicating valid information in the paging indication except the first field.
  • Embodiment 34 The communication apparatus according to any one of Embodiment 22 to Embodiment 33, wherein the paging indication further includes one or more of the following fields: a second field embodiment, a third field embodiment , the fourth field;
  • the second field is used to indicate whether the paging indication includes a short message SM
  • the third field is used to indicate the SM
  • the fourth field is used to indicate availability of an auxiliary reference signal, where the auxiliary reference signal is an auxiliary reference signal configured by the network device or an auxiliary reference signal associated with the R paging occasions;
  • Embodiment 35 The communication apparatus according to Embodiment 34, wherein the second field is information common to the R paging occasions.
  • Embodiment 36 The communication device according to Embodiment 34, wherein the SM indicates one or more of the following information: an example of system message change indication information, an example of earthquake and tsunami warning information, and an example of commercial mobile alert information , Stop monitoring the indication information of the paging message.
  • the SM indicates one or more of the following information: an example of system message change indication information, an example of earthquake and tsunami warning information, and an example of commercial mobile alert information , Stop monitoring the indication information of the paging message.
  • Embodiment 37 The communication apparatus according to any one of Embodiment 24 to Embodiment 36, wherein the length of the third field is configured by the network device.
  • Embodiment 38 The communication apparatus according to any one of Embodiment 34 to Embodiment 37, wherein the third field is information common to the R paging occasions.
  • Embodiment 39 The communication apparatus according to any one of Embodiments 24 to 38, wherein the fourth field is used to indicate availability of auxiliary reference signals, comprising:
  • the length of the fourth field is equal to the number of auxiliary reference signals or auxiliary reference signal groups configured by the network device, where the auxiliary reference signal group includes one or more auxiliary reference signals; or,
  • the length of the fourth field is equal to the number of auxiliary reference signals or auxiliary reference signal groups associated with the R paging occasions, or,
  • the fourth field includes R subfields, the R subfields correspond to the R paging occasions, and one subfield is used to indicate the availability of the auxiliary reference signal associated with the paging occasion corresponding to the subfield.
  • Embodiment 40 The communication apparatus according to any one of Embodiment 22 to Embodiment 28, wherein the first paging indication further includes a fifth field; the fifth field is used to indicate that the first field indicates the number of paging occasions; or,
  • the fifth field is used to indicate the length of the first field.
  • Embodiment 41 The communication device according to any one of Embodiments 22 to 40, wherein,
  • the first fields in different paging indications have the same indication content for the same paging occasion.
  • Embodiment 42 The communication device according to any one of Embodiment 22 to Embodiment 41, wherein,
  • a QCL relationship is between the first paging indication and the SSB associated with the first paging indication.
  • Embodiment 43 a communication system, wherein the communication system comprises:
  • a terminal configured to receive a first paging indication sent by a network device before a paging occasion of the terminal, where the first paging indication includes a first field, and the first field is used to indicate R paging occasions Whether to send paging in the internal, the R paging occasions include the paging occasions of the terminal, and the R is an integer greater than or equal to 1;
  • the terminal determines, according to the first paging occasion, whether to monitor downlink control information DCI on the paging occasion of the terminal, where the DCI is used to schedule paging messages.
  • Embodiment 44 a communication device, characterized in that the communication device includes one or more processors and a communication interface, and the one or more processors and the communication interface are used to support the communication device to perform the The paging method of any one of Examples 1-21.
  • Embodiment 45 A computer-readable storage medium, characterized in that the computer-readable storage medium includes computer instructions, and when the computer instructions are executed on a computer, cause the computer to perform any of the steps in Embodiments 1-21.
  • At least one (item) refers to one or more
  • multiple refers to two or more
  • at least two (item) refers to two or three And three or more
  • "and/or” is used to describe the association relationship of related objects, indicating that three kinds of relationships can exist, for example, “A and/or B” can mean: only A exists, only B exists, and A exists at the same time and B three cases, where A, B can be singular or plural.
  • the character “/” generally indicates that the associated objects are an "or” relationship.
  • At least one item(s) below” or similar expressions thereof refer to any combination of these items, including any combination of single item(s) or plural items(s).
  • At least one (a) of a, b or c can mean: a, b, c, "a and b", “a and c", “b and c", or "a and b and c" ", where a, b, c can be single or multiple.
  • connection in the embodiments of the present application, refers to various connection modes such as direct connection or indirect connection, so as to realize communication between devices, which is not limited in the embodiments of the present application.
  • transmission in the embodiments of the present application refers to bidirectional transmission, including the actions of sending and/or receiving.
  • transmission in the embodiments of the present application includes data transmission, data reception, or data transmission and data reception.
  • the data transmission here includes uplink and/or downlink data transmission.
  • Data may include channels and/or signals, uplink data transmission is uplink channel and/or uplink signal transmission, and downlink data transmission is downlink channel and/or downlink signal transmission.
  • the "network” and “system” in the embodiments of this application express the same concept, and the communication system is the communication network.
  • the disclosed apparatus and method may be implemented in other manners.
  • the device embodiments described above are only illustrative.
  • the division of the modules or units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be Incorporation may either be integrated into another device, or some features may be omitted, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and components shown as units may be one physical unit or multiple physical units, that is, they may be located in one place, or may be distributed to multiple different places . Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a readable storage medium.
  • the technical solutions of the embodiments of the present application can be embodied in the form of software products in essence, or the parts that make contributions to the prior art, or all or part of the technical solutions, which are stored in a storage medium.
  • a storage medium which includes several instructions to make a device, such as a single chip microcomputer, a chip, etc., or a processor (processor), execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage medium includes: a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk and other mediums that can store program codes.

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Abstract

本文公开一种寻呼方法及装置，以解决寻呼终端时终端的能量消耗较大的问题。所述方法可以包括：终端在终端的寻呼时机之前，接收网络设备发送的第一寻呼指示，第一寻呼指示包括第一字段，第一字段用于指示R个寻呼时机内是否发送寻呼，R个寻呼时机包括终端的寻呼时机，R为大于或等于1的整数；终端根据第一寻呼时机，确定是否在终端的寻呼时机上监测DCI。本申请方案可广泛适用于通信技术领域、人工智能、车联网、智能家居联网等领域。

Description

一种寻呼方法及装置
本申请要求于2020年7月31日提交国家知识产权局、申请号为202010761727.7、申请名称为“一种寻呼指示的DCI设计方法”的中国专利申请的优先权，以及要求于2020年8月7日提交国家知识产权局、申请号为202010791001.8、申请名称为“一种寻呼方法及装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及通信技术领域，尤其涉及一种寻呼方法及装置。
背景技术
终端在空闲(idle)态或者非激活态(inactive)态时，会周期性的接收网络侧发起的寻呼(paging)，如：终端计算得到一个寻呼帧(paging frame)以及该PF中的寻呼时机(paging occcasion)，在PO内监测用于调度寻呼消息的下行控制信息(downlink control information，DCI)，如果监测到DCI，且监测到的DCI调度了携带寻呼消息的物理下行共享信道(physical downlink shared channel，PDSCH)，则在DCI所指示的位置上接收携带寻呼消息的PDSCH，根据PDSCH携带的寻呼消息确定自己是否被寻呼到。
其中，在终端在PO内监测DCI之前，终端需要接收网络侧发送的一个或者多个同步信号块(synchronization signal block，SSB)，使用SSB进行时间/频率同步、自动增益控制(automatic gain control，AGC)调整等，以便正确接收DCI，即终端在监测DCI之前，需要消耗能量接收一个或者多个SSB。在接收SSB之后到PO之间，或者，两个SSB之间，终端虽然不需要接收信号，但为了做好准备通信的准备工作，需要保持工作状态，有一定的能量消耗。
在终端节能的研究阶段中，如何在寻呼终端的过程中降低终端的能量消耗称为亟待解决的问题。
发明内容
本申请实施例提供一种寻呼方法及装置，解决寻呼终端时终端的能量消耗较大的问题。
为达到上述目的，本申请实施例采用如下技术方案：
第一方面，本申请提供一种寻呼方法，所述方法包括：终端在终端的寻呼时机之前，接收网络设备发送的包括第一字段的第一寻呼指示，第一字段用于指示包括终端的寻呼时机的R个寻呼时机内是否发送寻呼，终端根据第一寻呼时机，确定是否在终端的寻呼时机上监测用于调度寻呼消息的DCI。
基于第一方面所述的方法，可以在寻呼时机之前预先设置寻呼指示，通过寻呼指示提前向终端指示寻呼时机内是否有寻呼，以便寻呼时机内没有寻呼时触发终端提前停止工作，进入休眠状态，以此降低终端的能量消耗，同时，第一方面所述方法还可以通过一个寻呼指示来指示多个寻呼时机达到一次指示多个寻呼时机内是否有寻呼的目的，节省信令开销。
一种可能的设计中，第一字段包括R个指示信息，R个指示信息中的第i个指示信息指示R个寻呼时机中的第i个寻呼时机内是否发送寻呼，i为大于等于1小于等于R的整数，基于该可能的设计，可以在寻呼指示中设计与寻呼时机一一对应的指示信息，以便终 端很好地从多个指示信息中分辨出自己的寻呼时机对应的指示信息，简化***设计。
一种可能的设计中，终端根据第一寻呼时机，确定是否在终端的寻呼时机上监测下行控制信息DCI，包括：终端根据终端的寻呼时机在R个寻呼时机中的时域位置，确定终端的寻呼时机对应的指示信息，根据终端的寻呼时机对应的指示信息，确定是否在终端的寻呼时机上监测DCI。基于该可能的设计中，终端可以基于寻呼指示对应的多个寻呼时机的时域位置找到自己的寻呼时机对应的指示信息，根据自己的寻呼时机对应的寻呼指示确定是否需要继续监测DCI，提高终端预先获取自己的寻呼时机内是否有寻呼消息的准确性，同时，简化***设计。
一种可能的设计中，终端在终端的寻呼时机之前，接收网络设备发送的第一寻呼指示，包括：终端根据终端的寻呼时机的时域位置，确定终端的寻呼时机对应的K个寻呼指示，其中，K为大于或等于1的整数，终端在寻呼时机之前接收K个寻呼指示，并从K个寻呼指示中确定第一寻呼指示。基于该可能的设计，可以设置一个寻呼时机对应多个寻呼指示，通过设计多个寻呼指示，最大化的保证终端能够接收到属于自己的寻呼时机的寻呼指示，达到提前获知寻呼时机内是否有寻呼，进而节约能量消耗。
一种可能的设计中，K由网络设备配置给终端，即有网络设备统一管理寻呼时机对应的寻呼指示的数量，使各个终端的配置统一，便于管理，且提高网络设备的配置灵活度。
一种可能的设计中，终端在终端的寻呼时机之前，接收网络设备发送的第一寻呼指示包括：终端在监测时间区间内，接收网络设备发送的第一寻呼指示，通过设计一监测时间区间来接收寻呼指示，简化***设计。
一种可能的设计中，终端接收网络设备发送的用于确定监测时间区间的监测时间窗配置信息，根据监测时间窗配置信息，确定监测时间区间，即由网络设备配置监测时间区间，使各个终端的配置统一，便于管理，且提高网络设备的配置灵活度。
一种可能的设计中，R个寻呼时机为第一寻呼指示之后离第一寻呼指示最近的R个寻呼时机，如此可以使寻呼指示与寻呼时机的时域位置接近，缩短寻呼时机与寻呼指示间的时间间隔，以避免在寻呼指示寻呼时机内存在寻呼的情况下，终端在接收到寻呼指示后的较长一段时间内才监测寻呼时机上的DCI带来的能量消耗过大的问题。
一种可能的设计中，R由网络设备配置给终端，即由网络设备配置R的取值，使各个终端的配置统一，便于管理，且提高网络设备的配置灵活度。
一种可能的设计中，第一字段包括R个寻呼时机中每个寻呼时机对应的指示信息，R个寻呼时机中每个寻呼时机对应的指示信息包括M个比特数，M个比特数用于指示与指示信息对应的寻呼时机内是否有寻呼，M为大于或等于1的整数。基于该可能的设计，可以将指示寻呼时机的指示信息包括多个bits，即将寻呼时机进行分组，以降低终端的虚警概率，提高终端被成功寻呼的概率。
一种可能的设计中，M由网络设备配置给终端；或者，M满足公式：
Figure PCTCN2021110090-appb-000001
A为一个寻呼指示的长度，B为寻呼指示中除第一字段之外指示有效信息的字段的长度。基于该可能的设计，可以令寻呼指示中空白填充(padding)的比特数尽可能小，有效信息的比特数尽可能大，令寻呼时机进一步分组的数量M尽可能大，从而降低终端的寻呼虚警概率，提高终端被成功寻呼的概率。
一种可能的设计中，第一字段包括R个寻呼时机中每个寻呼时机对应的指示信息；R个寻呼时机中
Figure PCTCN2021110090-appb-000002
个寻呼时机对应的指示信息包括
Figure PCTCN2021110090-appb-000003
个比 特；R个寻呼时机中剩余寻呼时机中每个寻呼时机对应的指示信息包括
Figure PCTCN2021110090-appb-000004
个比特；A为寻呼指示的长度，B为寻呼指示中除第一字段之外指示有效信息的字段的长度。基于该可能的设计，可以完全避免padding比特的存在，有效信息的比特数尽可能最大，寻呼时机进一步分组的数量M尽可能大，降低终端的寻呼虚警概率，提高终端被成功寻呼的概率。
一种可能的设计中，寻呼指示还包括下述一种或者多种字段：第二字段、第三字段、第四字段；第二字段用于指示寻呼指示是否包括SM；第三字段用于指示SM；第四字段用于指示辅助参考信号的可用性，辅助参考信号为网络设备配置的辅助参考信号，或者与R个寻呼时机关联的辅助参考信号。基于该可能的设计，可以将一些用于指示有用信息的字段提前设置在寻呼指示，以便能够让终端预先获知这些有用信息，避免终端必须在预同步之后，从DCI或者其他信息中获取这些有用信息带来的能量消耗。
一种可能的设计中，第二字段为R个寻呼时机公共的信息，基于该可能的设计，可以将第二字段设置为多个寻呼时机公用的信息，降低开销。
一种可能的设计中，SM指示下述一种或多种信息：***消息变更指示信息、地震海啸预警信息、商业移动警报信息、停止监测寻呼消息的指示信息，基于此，可以尽可能地将较多的有用信息携带在SM中，提高SM指示的信息的使用范围。
一种可能的设计中，第三字段的长度为网络设备配置的。基于该可能的设计，可以由网络设备配置第三字段的长度，提高网络设备的配置灵活度以及管控权。
一种可能的设计中，第三字段为R个寻呼时机公共的信息。基于该可能的设计，可以将第三字段设置为多个寻呼时机公用的信息，降低开销。
一种可能的设计中，第四字段用于指示辅助参考信号的可用性，包括：第四字段的长度等于网络设备配置的辅助参考信号或辅助参考信号组的数量，其中，辅助参考信号组包括一个或多个辅助参考信号；或者，第四字段的长度等于R个寻呼时机关联的辅助参考信号或辅助参考信号组的数量，或者，第四字段包括R个子字段，R个子字段与R个寻呼时机对应，一个子字段用于指示与子字段对应的寻呼时机所关联的辅助参考信号的可用性。基于该可能的设计，可以通过第四字段指示辅助参考信号或者辅助参考信号组的可用性，指示方式灵活多样，适用性较广。
一种可能的设计中，第一寻呼指示还包括第五字段；第五字段用于指示第一字段指示的寻呼时机的数量；或者，第五字段用于指示第一字段的长度，如此，可以便于更加灵活地调整第一字段所指示的寻呼指示的数量或第一字段的长度。
一种可能的设计中，不同寻呼指示中的第一字段针对同一寻呼时机的指示内容是相同的，避免终端接收的与该寻呼时机对应的指示信息可能不一致，导致终端无法通过寻呼指示实现节能的目的。
一种可能的设计中，第一寻呼指示与距离第一寻呼指示最近的同步信号块SSB之间为QCL关系；或者，第一寻呼指示与第一寻呼指示关联的SSB之间为QCL关系，以便终端根据SSB的接收波束接收寻呼指示，提高终端接收寻呼指示的准确性。
第二方面，本申请提供一种通信装置，该通信装置可以为终端或者终端中的芯片或者片上***，还可以为终端中用于实现第一方面或第一方面的任一可能的设计所述的方法的功能模块。该通信装置可以实现上述各方面或者各可能的设计中终端所执行的功能，所述功能可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个上述功能相应的 模块。如：该通信装置可以包括：接收单元，处理单元；
接收单元，用于在终端的寻呼时机之前，接收网络设备发送的包括第一字段的第一寻呼指示，第一字段用于指示包括终端的寻呼时机的R个寻呼时机内是否发送寻呼。
处理单元，用于根据第一寻呼时机，确定是否在终端的寻呼时机上监测用于调度寻呼消息的DCI。
具体的，接收单元、处理单元的相关执行动作可参照第一方面或者第一方面的任一可能的设计中所述，不予赘述。
第三方面，提供了一种通信装置，该通信装置可以为终端或者终端中的芯片或者片上***。该通信装置可以实现上述各方面或者各可能的设计中终端所执行的功能，所述功能可以通过硬件实现。一种可能的设计中，该通信装置可以包括：处理器和通信接口，处理器可以用于支持通信装置实现上述第一方面或者第一方面的任一种可能的设计中所涉及的功能，例如：处理器用于通过通信接口在终端的寻呼时机之前，接收网络设备发送的包括第一字段的第一寻呼指示，第一字段用于指示包括终端的寻呼时机的R个寻呼时机内是否发送寻呼，根据第一寻呼时机，确定是否在终端的寻呼时机上监测用于调度寻呼消息的DCI。在又一种可能的设计中，所述通信装置还可以包括存储器，存储器，用于保存通信装置必要的计算机执行指令和数据。当该通信装置运行时，该处理器执行该存储器存储的该计算机执行指令，以使该通信装置执行如上述第一方面或者第一方面的任一种可能的设计所述的寻呼方法。
第四方面，提供了一种计算机可读存储介质，该计算机可读存储介质可以为可读的非易失性存储介质，该计算机可读存储介质中存储有指令，当其在计算机上运行时，使得计算机执行上述第一方面或者上述方面的任一种可能的设计所述的寻呼方法。
第五方面，提供了一种包含指令的计算机程序产品，当其在计算机上运行时，使得计算机执行上述第一方面或者上述方面的任一种可能的设计所述的寻呼方法。
第六方面，提供了一种通信装置，该通信装置可以为终端或者终端中的芯片或者片上***，该通信装置包括一个或多个处理器、一个或多个存储器。所述一个或多个存储器与所述一个或多个处理器耦合，所述一个或多个存储器用于存储计算机程序代码，所述计算机程序代码包括计算机指令，当所述一个或多个处理器执行所述计算机指令时，使所述终端执行如第一方面或者第一方面的任一可能的设计所述的寻呼方法。
其中，第三方面至第六方面中任一种设计方式所带来的技术效果可参见上述第一方面或者第一方面的任一种可能的设计所带来的技术效果，不再赘述。
第七方面，本申请实施例提供一种通信***，该通信***可以包括：如第二方面或第六方面中任一方面所述的通信装置或者芯片***、网络设备。
附图说明
图1a为PF与PO的关系示意图；
图1b为一个PO与SSB之间的时域位置关系示意图；
图1c为多个PO与SSB之间的时域位置关系示意图；
图1d为不同终端监测SSB与PO的示意图；
图1e为预先指示是否被寻呼到与能量消耗之间的关系示意图；
图1f为寻呼指示位置与能量消耗之间的关系示意图；
图1g为SSB周期内的SSB与PO中的MO关系示意图；
图2为寻呼指示包括的字段的示意图；
图3a为本申请实施例提供的一种寻呼时机与寻呼指示之间的映射关系示意图；
图3b为本申请实施例提供的又一种寻呼时机与寻呼指示之间的映射关系示意图；
图3c为本申请实施例提供的再一种寻呼时机与寻呼指示之间的映射关系示意图；
图4为本申请提供的通信***架构图；
图5为本申请实施例提供的一种通信装置的结构图；
图6为本申请实施例提供的一种寻呼方法的流程图；
图7为本申请实施例提供的一种通信装置70的组成示意图；
图8为本申请实施例提供的一种通信***的组成示意图。
具体实施方式
介绍本申请实施例之前，对本申请实施例涉及的一些名词(如寻呼、PO以及DCI等)进行解释说明，需要说明的是，下述解释说明是为了让本申请实施例更容易被理解，而不应该视为对本申请实施例所要求的保护范围的限定。
寻呼(paging)：是网络侧设备周期性地向处于空闲(idle)态或者非激活(inactive)态的终端发送寻呼消息，用于唤醒处于idle态或者inactive态的终端回到连接(connected)态的过程。一次寻呼过程可以包括：在网络侧，网络侧设备(如接入网设备)计算得到终端对应的寻呼时机(paging occasion，PO)，在终端的PO上向终端发送携带DCI的物理下行控制信道(physical downlink control channel，PDCCH)，该DCI可以用于指示该DCI是否调度了携带寻呼消息(paging message)的PDSCH，如果DCI指示调度了携带寻呼消息的PDSCH，则网络侧设备在DCI指示的资源位置上发送携带寻呼消息的PDSCH。终端侧，终端计算得到自己对应的PO，在计算得到的PO内利用自己的寻呼无线网络临时标识(paging-radio network temporary identity，P-RNTI)监测DCI，若监测到DCI，且该DCI指示调度了携带寻呼消息的PDSCH，则终端根据DCI所指示的资源位置上接收携带寻呼消息的PDSCH，根据PDSCH携带的寻呼消息确定自己是否被寻呼到，如寻呼消息中可以携带被寻呼到的终端的标识信息(如终端的用户设备标识(user equipment identifier，UE_ID))，如果终端接收到的寻呼消息中携带有自己的标识信息，则确定自己被寻呼到，反之，则确定自己未被寻呼到。如果终端被寻呼到，则终端发起随机接入流程，切换到连接(connected)态。
PO：是终端监测调度携带有寻呼消息的PDSCH的DCI的时域位置/时间区间。确定PO的位置时，首先要确认一个寻呼帧(paging frame，PF)的位置，再根据PO在PF中的相对位置确定PO的最终位置。一个PF可以关联一个或者多个PO，一个PF中的PO从PF的起始位置开始连续排列，如PF中的第一个PO的起始与PF的起始位置相同，接下来第二个PO的起始位置与第一个PO的结束位置重叠，以此类推，设置多个PO。一个PO的长度可以是若干个时隙(slot)。具体的，可以根据终端的用户设备标识(user equipment identifier，UE_ID)，采用下述公式(1)计算得到PF的***帧号(system frame number，SFN)、采用下述公式(2)计算得到终端需要监测的PO的序号i_s：
(SFN+PF_offset)mod T＝(T div N)*(UE_ID mod N)   公式(1)
i_s＝floor(UE_ID/N)mod Ns       公式(2)
其中，上述公式中的PF_offset是用于确定PF的偏移值，PF_offset可以是协议事先规定好的，也可以由接入网设备确定，并配置给终端。T为非连续接收(discontinuous reception，DRX)周期，N为DRX周期T内的PF的数量，Ns为一个PF中的PO的数量。“mod”表示mod前后的两个数做除法运算后得到的余数。floor()为向下取整。“*”为乘法计算。“div”为除法计算。(SFN+PF_offset)mod T＝(T div N)*(UE_ID mod N)表示所有的终端根据UE_ID被分成了N组，通过UE_ID mod N的取值可以确定终端是在第几组，对应到第几个PF。例如，以N＝4为例，如果UE_ID是一串二进制的数字，则决定终端最终在第几个PF的就是UE_ID的最末两比特的取值。floor(UE_ID/N)mod Ns相当于把终端的PF进一步分成Ns组，根据floor(UE_ID/N)mod Ns的取值可以确定终端具体对应第几组，即第几个PO。其中，UE_ID的取值为终端的5G-S临时移动用户标识(5G S-temporary mobile subscriber identity，5G-S-TMSI)mod 1024。
总体来说，一个DRX周期中会有N*Ns个PO，终端也会根据UE_ID被分成N*Ns组，每一组对应一个PO。例如，图1a为N＝4，Ns＝5的示意图，如图1a所示，存在四个PF，一个PF中存在五个PO，终端可以根据上述公式(1)以及公式(2)计算得到自己在哪个PF的哪个PO上监测DCI。
进一步的，为了匹配NR***设计中基于波束(beam)的传输，还可以将PO分为多个监测时机(monitoring occasion，MO)，不同MO关联到不同SSB，即关联到不同beam方向。一个PO中包含的MO的数量根据一个SSB周期中实际发送的SSB数量确定，一个SSB周期中实际发送的SSB数量由网络设备通过***消息配置。
需要说明的是，本申请中，DRX周期T、DRX周期内PF的数量N以及一个PF内的PO的数量Ns可以根据需要动态设置或协议预先规定好，不予限制。
DCI：可以用于指示是否发送寻呼消息以及用于调度携带寻呼消息的PDSCH。本申请中，DCI还可以命名为paging DCI或者调度信息或者其他名称等，不予限制。DCI可以包括多个字段，每个字段在DCI中的位置、每个字段占用的比特数、每个字段的取值所指示的含义可以是协议预先规定好的或者是根据网络设备配置确定的。下面对DCI包括的字段进行介绍：
(1)短消息指示(short messages indicator，SMI)字段。
SMI字段占用2比特(bits)，第一个bit用于指示当前DCI中是否携带有短消息(short messages，SM)，第二个bit用于指示当前DCI是否调度了携带寻呼消息的PDSCH。
(2)短消息(short messages，SMI)字段。
SMI字段占用8bits，第一个bit指示***消息更新(system information change，SI change)，第二个bit指示地震海啸警报***(earthquake and tsunami warning system，ETWS)和/或商用移动预警***(commercial mobile alert system，CMAS)，第三个bit在非授权频谱(NR unlicensed，NRU)里面指示是否停止读寻呼消息，剩余的最后5个比特保留(reserved)。其中，保留比特可以用于指示其他信息，如可以用于指示后续随着通信技术发展而扩展的信息等。
需要说明的是，如果SMI字段中的第一个bit指示当前DCI中携带有SM，则SMI字段对应8个bits，其中前三个bits分别填充有SI change信息、ETWS信息以及用于指示在NRU里面指示是否停止读寻呼消息的指示信息，如果SIM字段中的第一个bit指示当前 DCI中未携带有SM，则SM字段对应的8个bits均为无意义bits，不指示任何内容。
(3)频域资源分配(frequency domain resource assignment，FDRA)字段。
FDRA字段可以用于指示用于PDSCH传输的频域资源，包括数据传输使用的物理资源块(physical resource block，PRB)是哪些。FDRA字段占用的比特数根据控制资源集(control resource set，CORESET)0的带宽大小确定。
(4)时域资源分配(time domain resource assignment，TDRA)字段。
TDRA字段占用4个bits，TDRA字段可以用于指示用于PDSCH传输的时域资源，包括数据传输使用的时隙，以及在时隙中使用的符号等。
(5)虚拟资源块(virtual resource block，VRB)到物理资源块(physical resource block，PRB)的映射关系(VRB-to-PRB mapping)字段。
VRB-to-PRB mapping字段占用1bit，VRB-to-PRB mapping字段可以用于指示VRB映射到PRB时采用的映射方式，具体的可以为交织映射或非交织映射等。
(6)调制和编码方案(modulation and coding scheme，MCS)字段。
MCS字段可以占用5bits，MCS字段可以用于规定PDSCH传输时所使用的调制编码方式。
(7)传输块缩放(TB scaling)字段。
TB scaling字段可以占用2bits，用于指示携带寻呼消息的PDSCH中承载的传输块(transport block，TB)大小是否做缩放，以及缩放比例是多大。
(8)保留字段。
保留字段可以占用6bits。
在一个DRX周期存在N个PF以及一个PF被分成Ns个PO的情况下，一个DRX周期总共只有N*Ns组PO，这样会出现一个DRX周期内多个终端要监测相同PO内的DCI的情况。多个终端监测相同PO内的DCI时，当一个终端在自己对应的PO中收到DCI时，只知道当前PO中有终端被寻呼到了，但是不知道被寻呼到的是不是自己，只有在收到DCI之后，根据DCI的指示进一步接收承载寻呼消息的PDSCH，通过查看PDSCH携带的寻呼消息看看被寻呼到的终端是否包含自己，若包括，则自己被寻呼到，若不包括，则自己未被寻呼。然而，一个终端被寻呼到的概率比较小，但是由于监测同一PO内的DCI的终端数量较多，网络侧设备发送paging DCI的概率较高，终端也就有较高的概率处于寻呼的虚警状态。寻呼的虚警状态指终端虽然接收了paging DCI和携带寻呼消息的PDSCH，却没有被寻呼到。
其中，为了终端正确接收DCI以及DCI调度的携带寻呼消息的PDSCH，根据接收到的DCI以及PDSCH确定自己是处于“寻呼的虚警”还是被寻呼，需要执行以下过程：接入网设备在终端的PO之前向周期性地发送一个或者多个同步信号和物理广播信道(physical broadcast channel，PBCH)块(synchronization signal and PBCH block，SSB)，终端计算出自己的PO后，在PO内监测DCI之前，终端会从PO之前的SSB中选择出距离PO较近的一个或者多个的SSB，在选择出的SSB的资源位置上接收SSB，基于接收到的SSB执行与接入网设备之间的时间/频率同步、自动增益控制(automatic gain control，AGC)调整等步骤。
本申请中，终端使用SSB进行时间/频率同步、AGC调整的步骤可以统一称为预同步。 另外，在一个SSB周期内，虽然接入网设备会发送多个SSB，但是一个SSB周期中的各个SSB通常对应不同的波束发送方向。对于同一个终端而言，其进行预同步时使用的SSB应当是对应相同的波束发送方向，因此，终端进行预同步所使用的一个或者多个SSB通常位于不同的SSB周期内。
需要说明的是，本申请中，发送SSB的周期、相邻SSB之间的时间间隔以及SSB的资源位置可以协议预先规定好或者由网络侧设备通过***消息配置给终端。PO之前的SSB可以指时域位置位于PO之前、且时域位置与PO的时域位置不重叠的SSB，位于终端的PO之前的SSB都是可以用于/能够用于终端预同步的SSB，这些SSB可以称为可用SSB，在此统一说明，以下不再重复赘述。
例如，如图1b所示，为一个PO与SSB之间的关系示意图，在PO的时域位置之前，存在两个SSB，这两个SSB可以称为可用SSB，终端可以从这两个SSB选择接收距离PO最近的一个SSB进行预同步，也可以选择接收这两个SSB进行预同步。在图1b中，这两个SSB可以位于不同的SSB周期内。
又例如，如图1c所示，为多个PO与SSB之间的时域位置关系示意图，如图1c所示，PO5之前存在有SSB1～SSB5，PO4之前存在有SSB1～SSB4，PO3之前存在有SSB1～SSB3，PO2之前存在有SSB1～SSB3，PO1之前存在有SSB1～SSB2，如果终端的PO为图1c中的PO5，则终端可以选择接收PO5之前的SSB1～SSB5中距离PO5最近的一个或者两个或者三个或者四个SSB进行预同步，也可以选择接收这5个SSB进行预同步。同理，如果终端的PO为图1c中的PO4，则终端可以选择接收SSB1～SSB4中距离PO4最近的一个或者两个或者三个SSB进行预同步，也可以选择接收这4个SSB进行预同步。需要说明的是，图1c中SSB和PO的上下关系主要是为了防止二者重叠在一起不好区分时域位置关系，不代表PO与SSB之间具体的频域位置关系，即图1c主要表征二者在时域的位置情况。同样，在图1c中，SSB1～SSB5可以位于不同的SSB周期内。
具体的，终端可以根据自身与接入网设备之间的信道质量(如参考信号接收功率(reference signal receiving power，RSRP)或者参考信号接收质量(reference signal received quality，RSRQ)或者信号与干扰加噪声比(signal to interference plus noise ratio，SINR)等)和/或自身的硬件处理情况，从可用SSB中的哪个SSB开始接收接入网设备发送的SSB，即确定哪些可用SSB可以用来进行预同步。以终端根据自身与接入网设备之间的信道质量确定哪些SSB用于预同步为例，终端距离接入网设备较近，SINR较高，终端覆盖情况越好，SSB的信号较强，终端进行预同步所用的SSB数量比较少。而终端距离接入网设备较远时，SINR较低，终端的覆盖情况越差，SSB的信号较弱，终端进行预同步所用的SSB数量比较多。
例如，如图1d所示，UE1、UE2的PO为PO1，位于PO1前的两个SSB可以作为可用SSB来用于预同步，具体的，如果UE1的覆盖情况较差，则使用SSB1和SSB2这2个SSB进行预同步，UE2的覆盖情况较好，则UE2可以使用1个SSB(如距离PO1最近的SSB2)进行预同步。
终端接收SSB需要消耗能量，在接收SSB后到PO的时间内，或者，在接收多个SSB的情况下，相邻两个SSB之间的时间内，虽然终端不需要接收信号，但是为了做好“准备通信(如准备监测PO上的DCI或者准确接收下一个SSB)”的准备工作，终端需要时刻 保持工作状态，而处于工作状态使得终端有一定的能量消耗。
例如，以图1d为例，UE1接收SSB1，收完SSB1之后，UE1继续保持工作状态，接收SSB2，根据SSB1和SSB2共同进行预同步，预同步成功后，UE1继续保持工作状态，在UE1的PO1上监测DCI，即UE1需要从开始接收SSB1到监测PO1上的DCI这段时间内一直需要保持工作状态，消耗自身能量。同理，UE2也需要开启工作状态准备接收SSB2，接收到SSB2后，根据SSB2进行预同步，预同步成功后继续保持工作状态，在UE2的PO1上监测DCI，UE2需要从开始接收SSB2到监测PO1上的DCI这段时间内一直保持工作状态，消耗自身能量。
由上可知，在终端接收寻呼消息的过程中，终端的很大一部分能量消耗是在接收SSB进行预同步的过程中，尤其是“不接收信号但是仍要维持工作状态”的时间段，也会额外消耗一定的能量。并且，由于一个DRX周期内多个终端要监测相同PO内的DCI，各个终端为了确定自己是否被寻呼到，必须执行预同步、接收DCI以及PDSCH等过程，即上述额外的能量消耗是不可避免的。
然而大部分终端对节能都有很高的要求，如果终端过度消耗能量，则会影响终端的使用性能，降低用户体验。鉴于此，本申请实施例提出以下方案：在PO之前(如终端预同步时)向终端指示PO内是否发送寻呼，以便终端能够较早知道自己是否能够被寻呼到，并在自己不被寻呼到的情况下尽早停止工作，不要一直保持工作状态，避免不必要的能量消耗。例如，如图1e所示，如果UE1在SSB1附近获知自己未被寻呼到，则UE1后续不会保持工作状态，如果UE2在SSB2附近获知自己未被寻呼到，则UE2不会再保持工作状态，相比于图1d，UE11和UE12的能量消耗会明显减少。
本申请中，可以将指示PO内是否发送寻呼的信息命名为寻呼指示。需要说明的是，本申请不限定寻呼指示的命名，寻呼指示还可以命名为唤醒信号(wake-up signal，WUS)或者提前寻呼指示(early paging indication或early transmitted paging indication)或者预先寻呼指示(pre-paging indication)或者其他名称等，不予限制。
但是，如果PO对应的寻呼指示的位置设计的不合理，则会导致部分终端仍需要消耗较大的能量。例如，如图1f所示，UE1为覆盖较差的UE，UE2为覆盖较好的UE，寻呼指示可以发在SSB1附近，或者发在SSB2附近。如果寻呼指示仅发在SSB1附近，则UE1和UE2在被寻呼指示来指示PO1内有/无寻呼的情况下的功耗情况如图1f所示；同样，寻呼指示仅发在SSB2附近，则UE1和UE2在被寻呼指示来指示PO1内有/无寻呼的情况下的功耗情况如图1f所示。可以看出，本来UE2不需要使用SSB1做预同步，但是寻呼指示仅发在SSB1附近时，UE2为了接收寻呼指示，还需要接收SSB1，而且被指示了有寻呼后，仍需要维持一定的工作状态，直到PO1。这一点可以对比图1f中第3行画圈部分和图1f中第7行。另外，如果寻呼指示仅发在SSB2附近，UE1由于无法预先知道是否有寻呼，为了确保有寻呼的情况下能够正确接收寻呼，需要接收SSB1，并且维持工作状态直到SSB2后接收寻呼指示。如果被指示无寻呼，那么如图1f中第6行画圈部分和图1f中第2行的对比可以看出，多浪费了一些能量。
从图1f可知，即使设计了用于指示PO内是否有寻呼的寻呼指示，对应某些终端来说，在接收寻呼消息的过程中也可能会浪费一些能量。对于终端来说，最优的方案是“在自己需要接收的第一个SSB附近接收寻呼指示”。但是，一个DRX周期内多个终端要监测相 同PO内的DCI，且各个终端的覆盖情况和/或硬件处理情况可能不同，各个终端接收的SSB的数量可能不同，不同终端进行预同步的起点不同，即不同终端对应的第一个SSB可能是不同的，接入网设备无法获知哪个SSB才是大多数终端所接收的第一SSB，进而无法实现在大多数终端所使用的第一个SSB发送寻呼指示，降低大多数终端的能量消耗。
为了最大化地保证每个终端能够在自己对应的第一个SSB附近接收到寻呼指示，最好的方案是同一PO对应的寻呼指示在该PO之前的多个SSB附近都发送，即一个PO对应的寻呼指示会在多个SSB附近发送，这样做存在如下两方面好处：一方面可以实现该PO对应的终端有较大的概率在自己的第一个SSB附近接收到寻呼指示，尽早根据寻呼指示的指示停止工作，处于休眠状态，减少能量消耗。另一方面，在PO划分为多个MO，不同MO对应一个SSB周期中的不同SSB的情况下，如果一个PO对应多个SSB附近的寻呼指示，且这多个SSB最好与一个PO划分得到的多个MO一一对应，则可以使每个MO对应的终端都能接收到SSB附近的寻呼指示，根据寻呼指示的指示实现减少能量消耗的目的。例如，如图1f所示，在SSB1附近和SSB2附近都发送寻呼指示，即对于相同的PO可以有多个寻呼指示来指示该PO内是否有寻呼，以保证监测该PO上的DCI的大部分终端都能在自己需要接收的第一个SSB附近接收到寻呼指示。
其中，需要说明的是，一个PO对应多个SSB附近的寻呼指示的情况下，这多个SSB可以位于相同或不同的SSB周期内，如多个SSB对应多个MO的情况下，多个SSB就位于相同的SSB周期内，多个SSB对应同一个MO的情况下，多个SSB位于不同的SSB周期内。例如，如图1g所示，存在5个SSB周期，每个SSB周期中会发送4个SSB，各个SSB的索引(index)分别是SSB0～SSB3。此时一个PO中会有4个MO，index分别为0～3。各个SSB会与PO中各个MO一一对应，即SSB0与MO0对应，SSB1与MO1对应，SSB2与MO2对应，SSB3与MO3对应，其关系如图1g所示，相同填充图案的部分表示相对应的SSB和MO。
此外，由于不同PO之前的SSB可能是重叠的，存在不同PO可以关联同一SSB，因此，对于同一SSB附近的寻呼指示，它可能与多个PO关联，需要指示多个PO内是否有寻呼。例如，如图1c所示，PO2之前的SSB有SSB1～SSB3，PO1之前的SSB有SSB1～SSB2，两个不同PO之前存在重叠的两个SSB：SSB1和SSB2，此时，SSB1和/或SSB2都可以与PO1、PO2关联，用作PO1、PO2对应的终端做预同步。以SSB2与PO1、PO2关联为例，SSB2附近的寻呼指示可以与PO1、PO2关联，指示PO1、PO2内是否有寻呼。
需要说明的是，本申请所述的SSB可以指寻呼时机之前的距离PO最近的一个或者多个SSB，SSB附近的寻呼指示可以指以SSB的结束时刻为起点的寻呼指示，也可以指SSB的结束时刻之后、距离SSB的结束时刻的时间差值小于预设时间阈值的寻呼指示，也可以是SSB结束时刻之后、距离SSB较近的寻呼指示。其中，预设时间阈值可以根据需要设置，不予限制。此外，本申请不限定SSB为寻呼时机之前的距离PO最近的SSB，可替换的，还可以预先为寻呼时机配置相应的SSB，即将寻呼时机与SSB关联，此时，对应指示该寻呼时机的寻呼指示可以位于该SSB附近。
下面以寻呼指示与R个寻呼时机关联，用于指示R个寻呼时机内是否有寻呼，R为大于或等于1的整数为例，对寻呼指示的设计方式进行描述。
首先，为了使寻呼指示具备指示多个PO内是否有寻呼的功能，寻呼指示至少可以包 括第一字段，第一字段可以用于指示R个PO内是否有寻呼。
需要说明的是，本申请中，第一字段指示的R个PO可以为同一DRX周期中的不同PO或者不同DRX周期中的PO或者在不同DRX周期出现的PO，不予限制。具体的，R个PO可以是在同一DRX周期中出现的PO，此时，R个PO是不同的PO，例如，假设第一字段指示PO1、PO2以及PO3内是否有寻呼，PO1、PO2以及PO3可以是同一DRX周期1中出现的不同PO。或者，R个PO可以是不同DRX周期中出现的PO，例如，假设第一字段指示PO1、PO2以及PO3内是否有寻呼，PO1可以是DRX周期1中的PO，PO2、PO3可以是DRX周期2中的PO，三个是不同的PO。或者，R个PO可以是R个PO在多个DRX周期中的多次周期性出现，即第一字段用于指示一个或者几个PO在连续的R个DRX周期是否有寻呼，使得该PO在连续的几个DRX周期内没有寻呼时，提前指示终端在这几个DRX周期一直处于休眠状态，实现长时间节能的目的。例如，第一字段可以用于位于DRX周期1中的PO1、位于DRX周期2中的PO以及位于DRX周期3中的PO3内是否有寻呼，即第一字段用于指示周期性发送的同一PO内是否有寻呼，或者，第一字段可以指示位于DRX周期1中的PO1、位于DRX周期2中的PO、以及位于DRX周期1中的PO1、位于DRX周期2中PO2内是否有寻呼。
示例性的，第一字段可以包括R个指示信息，R个指示信息与R个寻呼时机一一对应，R个指示信息中的第i个指示信息指示所述R个寻呼时机中的第i个寻呼时机内是否发送寻呼，i为大于等于1小于等于R的整数。
其中，本申请不限定R个指示信息在第一字段中的排序，R个指示信息可以按照R个寻呼时机的时域位置排列在第一字段中，如根据时域位置的先后顺序，将时域位置越靠前的寻呼时机对应的指示信息靠前排列，时域位置靠后的寻呼时机对应的指示信息靠后排列；或者，将时域位置越靠前的寻呼时机对应的指示信息靠后排列，时域位置靠后的寻呼时机对应的指示信息靠前排列，也可以按照预设排序排列在第一字段中，不予限制。例如，SSB2附近的寻呼指示需要指示PO1、PO2以及PO3的信息，由于3个PO的先后顺序为PO1～PO3，则这三个指示信息在DCI中的顺序为PO1的指示信息、PO2的指示信息、PO3的指示信息。
一种示例中，如果相同寻呼时机内的终端未被分组，则每个指示信息可以包括一个bit，该一个bit用于指示一个寻呼时机内是否有寻呼，如二进制比特“1”指示寻呼时机内有寻呼，二进制比特“0”指示寻呼时机内没有寻呼。
又一种示例中，如果相同寻呼时机内的终端被划分为多个组，如划分为M个组，则与寻呼时机对应的指示信息可以包括M个bits，一个bit用于指示一个组内是否有寻呼，其中指示信息中的M个bits可以根据M个组的组号先后顺序排列在指示信息中。具体的，一个终端属于哪个组，可以根据UE_ID计算获得，例如floor(floor(UE_ID/N)/Ns)mod M，或者floor(UE_ID/N/Ns)mod M。通过这种方式，可以把一组终端的个数进一步降低，如从N*Ns组变成了N*Ns*M组，N*Ns*M组中每组中的终端的虚警概率可以降低，提高终端被成功寻呼的概率。
再一种示例中，如果第一字段指示的R个PO为位于连续的几个DRX周期中的PO，即第一字段用于指示一个或者几个PO在连续的Q个DRX周期是否有寻呼，此时，第一字段的具体指示方法可以包括下述几种情况：情况一、如果寻呼时机内的终端未被分组， 且第一字段用于指示同一PO在连续的R个DRX周期内是否有寻呼，即此时Q＝R，则第一字段包括一个指示信息，该指示信息可以包括一个比特数，该比特数用于指示PO在连续的R个DRX周期内是否有寻呼，或者，该指示信息可以包括R个比特数，第j个比特数用于指示PO在第j个DRX周期内是否有寻呼；或者，第一字段包括R个指示信息，一个指示信息可以包括一个比特数，第i个指示信息用于指示PO在第j个DRX周期内是否有寻呼，j为大于等于1小于等于R的整数。
情况二、如果寻呼时机内的终端未被分组，且第一字段用于指示多个不同PO(如P个PO)在连续的Q个DRX周期内是否有寻呼，P、Q为正整数，P*Q＝R，则第一字段包括P个指示信息，一个指示信息可以包括一个比特数，第i个指示信息用于指示第i个PO在连续的Q个DRX周期内是否有寻呼，或者，第一字段包括P个指示信息，一个指示信息可以包括Q个比特数，第i个指示信息中的第j个比特数用于指示第i个PO在第j个DRX周期内是否有寻呼；或者，第一字段包括R个指示信息，一个指示信息可以包括一个比特数，第i个指示信息用于指示第i个PO在第j个DRX周期内是否有寻呼，j为大于等于1小于等于R的整数。
情况三、如果寻呼时机内的终端被分成M组，且第一字段用于指示多个不同PO(如P个PO)在连续的Q个DRX周期内是否有寻呼，P、Q为正整数，P*Q＝R，则第一字段包括P个指示信息，一个指示信息可以包括M个比特数，第i个指示信息中的第s个比特数可以用于指示第i个PO中第s个分组在连续的Q个DRX周期内是否有寻呼，s为大于等于1小于M的整数。或者，第一字段包括P个指示信息，一个指示信息可以包括Q*M个比特数，第i个指示信息中的第s个比特数用于指示第i个PO中第s个分组在第j个DRX周期内是否有寻呼。
本申请中，不同寻呼指示对应的寻呼时机的数量可能相同或者不同，即寻呼指示对应的寻呼时机的数量可以是固定的也可以是动态调整的。不同寻呼指示中第一字段包括的指示信息的数量可以相同或者不同，即第一字段包括的指示信息的数量随着寻呼指示对应的寻呼时机的变化而变化，可以是固定数量也可以是动态调整的。不同指示信息包括的比特数可以相同或者不同，可以是固定数量也可以是动态调整的。
进一步的，SM包括的信息对终端而言也是很重要的，如果DCI中的SMI和SM不包含在寻呼指示，则终端为了确认是否有SM以及进一步确认SM中是否有下述一种或者多种信息：***消息变更指示信息、地震海啸预警和商业移动警报信息、停止监测寻呼消息的指示信息，即使终端在知道没有寻呼消息发送的情况下，仍然需要去PO上接收DCI，从DCI中获取SM，这样终端无论如何都需要维持工作状态到PO的位置，需要消耗大量的能量。
为了避免终端监测DCI携带的SMI以及获取SM带来的能量消耗，进一步的，寻呼指示中还可以携带有第二字段以及第三字段，第二字段和第三字段可以用于终端在终端的PO之前获取SM内包括的一些信息。由于SM内包括的信息，如SI change信息、ETWS信息等变化不会很频繁，多个相邻PO中发送的SM通常情况下应当是相同的。因此，当一个寻呼指示来指示相邻的R个PO内是否存在寻呼的时候，如果寻呼指示中包含第二字段和第三字段，该第二字段和第三字段所包含的信息可以是R个PO公用的信息，称为PO common信息，第二字段和第三字段可以面向R个PO对应的所有终端，对于R个PO对 应的所有终端而言，第二字段和第三字段指示的内容是相同的。
其中，第二字段可以用于指示寻呼指示是否包括SM，第二字段可以占用1bit，该1bit可以用于指示寻呼指示是否包括SM。第二字段可以命名为SMI，只不过，寻呼指示中的SMI与DCI中的SMI占用的比特数(或者称为长度)不同，指示的内容不同。
其中，第三字段可以用于指示SM，SM可以包括***消息变更指示信息、地震海啸预警和商业移动警报信息、停止监测寻呼消息的指示信息中的一种或多种。第三字段的长度(或者占用的比特数)可以在协议中规定好或者由网络设备(如接入网设备)配置，如接入网设备可以根据需要向终端指示的信息配置第三字段的长度。
示例性的，第三字段可以被规定为或被配置为占用2bit或3bit或8bit等，不予限制。如果第三字段占用2bits，则在第二字段指示存在SM的情况下，第三字段可以携带SI change信息以及ETWS信息。如果第三字段占用3bits，则在第二字段指示存在SM的情况下，第三字段可以携带SI change信息、ETWS信息以及NRU内是否停止寻呼(stop-paging)的信息。如果第三字段占用8bits，则在第二字段指示存在SM的情况下，第三字段可以携带SI change信息、ETWS信息以及NRU内是否停止寻呼(stop-paging)的信息，剩余5bits保留。
进一步的，辅助参考信号(assistance RS)是接入网设备配置给处于idle态或者inactive态的一个或者多个终端，用于辅助终端进行时频同步、AGC调整使用的参考信号。为了保证终端正常使用这些RS，接入网设备可以提前为终端指示这些RS是否还处于可用状态，即RS的可用性。因此，除了第一字段、第二字段以及第三字段之外，寻呼指示还可以携带第四字段，第四字段可以用于指示assistance RS的可用性(availability)。
一种示例中，第四字段的长度可以等于网络设备配置的辅助参考信号或辅助参考信号组的数量，其中辅助参考信号组可以包括一个或多个辅助参考信号，是将网络设备配置的辅助参考信号按照预设的划分粒度进行划分得到的辅助参考信号组。预设的划分粒度可以根据需要设置，如可以是一个辅助参考信号组中包括4个辅助参考信号，也可以一个辅助参考信号组中包括3个辅助参考信号等，不予限制。
需要说明的是，该示例中，第四字段是R个PO公用的信息，称为PO common信息，第四字段面向R个PO对应的所有终端，R个PO对应的每个终端可以解析第四字段，根据第四字段携带的信息确定网络设备配置的辅助参考信号或辅助参考信号组是否可用。
例如，接入网设备总共配置了9个RS，则第四字段的长度可以为9个bits，这9个bits与9个RS一一对应，分别指示这9个RS是否可用；或者，在以一个辅助参考信号组中包括3个辅助参考信号，存在3个辅助参考信号组的情况下，第四字段的长度为3个bits，这3个bits与3个辅助参考信号组一一对应，分别指示这三个辅助参考信号组是否可用。
又一种示例中，第四字段的长度可以等于R个寻呼时机关联的辅助参考信号或辅助参考信号组的数量。辅助参考信号组的相关描述可参照上述，不予赘述。
其中，该示例中，第四字段是R个PO公用的信息，称为PO common信息，第四字段可以面向R个PO对应的所有终端，R个PO对应的所有终端中的每个终端可以解析第四字段，根据第四字段携带的信息确定R个寻呼时机关联的辅助参考信号或辅助参考信号组。
例如，假设接入网设备总共配置了10个RS：RS1～RS10，R＝3，R个寻呼时机分别为：PO1～PO3，其中RS1～RS6与PO1～PO3关联，则第四字段的长度可以等于6个bits，这6 个bits与PO1～PO3关联的6个RS一一对应，指示PO1～PO3这3个PO关联的6个RS是否可用；或者，在以一个辅助参考信号组中包括2个辅助参考信号，存在3个辅助参考信号组的情况下，第四字段的长度为3个bits，这3个bits与3个辅助参考信号组一一对应，分别指示PO1～PO3这3个PO关联的三个辅助参考信号组是否可用。
再一种示例中，第四字段包括R个子字段，R个子字段与R个寻呼时机对应，一个子字段可以用于指示与子字段对应的寻呼时机所关联的辅助参考信号的可用性，一个子字段的长度可以等于与该子字段对应的寻呼时机所关联的辅助参考信号或辅助参考信号组的数量，即将第四字段划分为与单个特定寻呼时机对应的子字段，一个子字段指示一个寻呼时机关联的辅助参考信号的可用性。因此，该示例中，一个子字段携带一个特定PO的信息，是面向单个PO的，是PO specific信息。
例如，假设接入网设备总共配置了10个RS：RS1～RS10，R＝3，R个寻呼时机分别为：PO1～PO3，其中RS1～RS2与PO1关联，RS3～RS4与PO2关联，RS5～RS6与PO3关联，则第四字段可以分为3个子字段，每个子字段的长度等于2个bits，每个bit指示一个RS，或者，在一个RS组包括2个RS的情况下，每个子字段的长度等于1个bit，每个bit指示一个RS组。这3个子字段与PO1～PO3一一对应，如第一个子字段指示PO1关联的2个RS是否可用，第二子字段指示PO2关联的2个RS是否可用，第三子字段指示PO3关联的2个RS是否可用。
需要说明的是，该示例中，可以按照子字段关联的PO的时域位置排列子字段，如时域位置在前的PO对应的子字段排列在前或者时域位置在后的PO对应的子字段排列在前等，也可以按照预设顺序排列各个子字段，不予限制。
进一步的，为了便于更加灵活地调整第一字段所指示的PO的数量或第一字段的长度，寻呼指示还可以包括第五字段。一种示例中，第五字段可以用于直接指示或者间接指示第一字段指示的寻呼时机的数量，如第五字段的取值可以是第一字段指示的寻呼时机的数量R，根据第五字段的取值即可以直接确定数量R，或者，第五字段的取值与数量R间存在映射关系，根据该映射关系可以确定第一字段指示的寻呼时机的数量R。
例如，下表一示出了第一字段携带的比特与数量R之间的映射关系，如表一所示，比特00对应数量2，比特01对应数量3，比特10对应数量4，比特11对应数量5，假设第五字段携带比特10，则根据表一可知，第五字段指示的寻呼时机的数量R＝4。
表一
比特 R的取值
00 2
01 3
10 4
11 5
又一种示例中，第五字段可以用于指示第一字段的长度，如果如上所述，第一字段包括R个指示信息，一个指示信息包括一个bit，则第一字段的长度可以为5bits，第五字段的取值可以指示5，如第五字段可以直接携带数值R或者携带与R具有映射关系的二进制 比特数等。如果如上所述，第一字段包括R个指示信息，一个指示信息包括M个bit，第一字段的长度为R*M，则第五字段的取值可以指示R*M，如第五字段可以直接携带数值R*M或者携带与R*M具有映射关系的几个二进制比特数等。
需要说明的是，第五字段是PO公用的信息，称为PO common信息，第五字段可以面向R个PO对应的所有终端，R个PO对应的所有终端可以解析第五字段，根据第五字段携带的信息确定寻呼时机的数量R或者R个寻呼时机对应的指示信息的长度。
对于DCI中的其余字段，如FDRA字段、TDRA字段、VRB-to-PRB mapping字段、MCS字段、TB scaling字段主要是用于指示调度携带寻呼消息的PDSCH的时频资源、传输参数等。由于寻呼指示提前于PO发送，并且寻呼指示与PDSCH之间可能间隔时间较长，因此接入网设备很可能无法***/提前决定在实际发送PDSCH的时候使用什么样的时频资源、传输参数，因此FDRA字段、TDRA字段、VRB-to-PRB mapping字段、MCS字段、TB scaling字段不适合包含在寻呼指示中。
由上可知，寻呼指示可以如图2所示，至少包括第一字段，进一步的还可以包括第二字段、第三字段、第四字段、第五字段，此时，如果寻呼指示的长度足够长，还有剩余bits，则这些剩余bits可以作为寻呼指示中的空白填充(padding)。其中如图2所示，第一字段为PO specific字段，第一字段中的指示信息针对某个特定PO的，第二字段、第三字段、第五字段是PO common字段，可以面向R个PO所对应的所有终端，这些字段对于R个PO是共用的。第四字段可以是PO common字段，也可以是PO specific字段。
需要说明的是，图2仅为示例性附图，除图2所示字段之外，随着通信技术的发展，图2还可以包括其他能够包括在寻呼指示的其他字段，不予限制。
基于图2所示设计，不仅可以通过提前向终端指示PO内是否有寻呼来降低终端的能量消耗，还可以通过一个寻呼指示来指示多个PO达到一次指示多个PO内是否有寻呼的目的，以及通过区分PO common字段和PO specific的字段，在充分指示信息的情况下，尽可能地使用PO common字段，节省信令开销。
下面对第一字段指示R个PO内是否有寻呼的情况下，终端如何确定第一指示的R个PO是哪几个PO进行说明。
方式一：一个寻呼时机对应K个寻呼指示，即一个寻呼时机可以由K个寻呼指示来指示。
其中，K为大于或等于1的整数，K可以由接入网设备预先配置给终端或者由协议预先规定好，不予限制。寻呼时机对应的K个寻呼指示可以为该寻呼时机之前、距离寻呼时机最近的连续K个寻呼指示，K个寻呼指示与该寻呼时机之前距离寻呼时机最近的连续K个SSB对应，寻呼指示位于与该寻呼指示对应的SSB附近。可选的，连续K个SSB为连续K个SSB周期中的K个SSB，或连续K个SSB周期中索引(index)相同的SSB。
方式一下，终端计算得到自己的PO之后，可以根据PO的时域位置以及SSB的时域位置，确定位于自己的PO之前、距离PO最近的连续K个SSB，确定终端的PO对应的K个SSB附近的K个寻呼指示，进一步的，按照同样的方法，终端可以计算得到自己的PO附近的其他几个PO，确定这几个PO中每个PO对应的K个寻呼指示。这几个PO中每个PO对应的K个寻呼指示可能与终端的PO对应的K个寻呼指示是同一个寻呼指示，如此以来，终端就可以确定自己PO对应的K个寻呼指示中每个寻呼指示所关联的PO都是哪 些PO。
进一步的，终端确定出自己的PO对应的寻呼指示所关联的PO都是哪些PO之后，可以根据这些PO的时域位置以及第一字段中指示信息的排序规则，确定自己的PO对应的指示信息是哪个指示信息，进而根据自己的PO对应的指示信息确定自己的PO内是否有寻呼，并在没有寻呼的情况下，尽早停止工作，节省能量消耗。
从上述过程来看，方式一中，不同寻呼指示对应的PO的数量可以相同或者不同。
例如，如图3a所示，假设一个PO对应2个寻呼指示，PO5之前存在有SSB1～SSB5，PO4之前存在有SSB1～SSB4，PO3之前存在有SSB1～SSB3，PO2之前存在有SSB1～SSB3，PO1之前存在有SSB1～SSB2，PO5对应的寻呼指示可以为SSB4、SSB5附近对应的两个寻呼指示，PO4对应的寻呼指示可以为SSB4、SSB3附近对应的两个寻呼指示，PO3对应的寻呼指示可以为SSB3、SSB2附近对应的两个寻呼指示，PO2对应的寻呼指示可以为SSB3、SSB2附近对应的两个寻呼指示，PO1对应的寻呼指示可以为SSB2、SSB1附近对应的两个寻呼指示。由此可知，SSB4附近的寻呼指示可以对应PO4以及PO5，SSB3附近的寻呼指示可以对应PO3以及PO2，SSB2附近的寻呼指示可以对应PO3、PO2以及PO1，SSB1附近的寻呼指示仅对应PO1。假设终端的PO为PO2，PO2对应SSB2附近的寻呼指示时，根据上述方法，终端可以确定其对应的寻呼指示还与PO1以及PO3也对应，根据PO3、PO2以及PO1的时域位置关系以及指示信息对应的排序规则，确定PO2对应的指示信息为第一字段中的第二个指示信息。
方式二、在寻呼时机之前配置一个监测时间区间，以便于终端计算得到自己的寻呼时机后，在该寻呼时机对应的监测时间区间内接收该寻呼时机对应的寻呼指示，从接收到的寻呼时机中获取寻呼时机对应的指示信息，根据指示信息确定该寻呼时机内是否有寻呼。
其中，监测时间区间可以由接入网设备配置给终端，如接入网设备向终端发送监测时间窗(monitoring window)配置信息，终端接收监测时间窗配置信息，根据接收到的监测时间窗配置信息确定寻呼时机对应的监测时间区间。
具体的，监测时间窗配置信息可以直接包含监测时间区间，或者，监测时间窗配置信息包括监测时间区间的起点，此时，监测时间区间的终点可以设置为寻呼时机的起始时刻或者寻呼时机的起始时刻之前的某个时间点；或者，监测时间配置信息可以包括监测时间区间的起点以及终点，不予限制。
方式二下，终端计算得到自己的PO之后，可以计算得到自己的PO附近的其他几个PO，确定这几个PO中每个PO对应的寻呼指示，此时，假设PO对应的寻呼指示位于该PO之前的SSB附近。进一步的，可以确定终端的PO附近的其他几个PO对应的哪些寻呼指示也包括在终端的PO对应的监测时间区间内，进而确定监测时间区间内的寻呼指示所关联的PO都是哪些PO。进一步的，确定监测时间区间内的寻呼指示所关联的PO都是哪些PO之后，可以根据这些PO的时域位置以及第一字段中指示信息的排序规则，确定自己的PO对应的指示信息是哪个指示信息，进而根据自己的PO对应的指示信息确定自己的PO内是否有寻呼，并在没有寻呼的情况下，尽早停止工作，节省能量消耗。
从上述过程来看，方式二中，不同寻呼指示对应的寻呼时机的数量可以相同或者不同。
例如，以图3b为例，PO5之前存在有SSB1～SSB5，PO4之前存在有SSB1～SSB4，PO3之前存在有SSB1～SSB3，PO2之前存在有SSB1～SSB3，PO1之前存在有SSB1～SSB2，终 端的PO为PO2，终端的PO2对应的监测时间区间为从SSB1的起点到SSB2附近的寻呼指示的终点的一个时间区间，SSB2、SSB1附近的寻呼指示在监测时间区间内。进一步的，根据PO对应的寻呼指示位于该PO之前的SSB附近这一设置原则，可以知道PO3对应的寻呼指示可以为SSB3、SSB2、SSB1附近的寻呼指示，PO2对应的寻呼指示可以为SSB3、SSB2、SSB1附近的寻呼指示，PO1对应的寻呼指示可以为SSB2、SSB1附近的寻呼指示。在监测时间区间内SSB2附近的寻呼指示可以对应PO1、PO2以及PO3，SSB1附近的寻呼指示对应PO1、PO2以及PO3，进而根据PO3、PO2以及PO1的时域位置关系以及指示信息对应的排序规则，确定PO2对应的指示信息为第一字段中的第二个指示信息。
方式三、一个寻呼指示对应指示的寻呼时机的数量配置为R个，不同寻呼指示来指示的寻呼时机的数量是相同的，均为R个。
示例性的，寻呼指示所对应指示的R个寻呼时机可以为该寻呼时机之后的连续R个寻呼时机，这R个寻呼时机中的第一个寻呼时机可以为寻呼指示之后、距离寻呼指示最近的一个寻呼时机。R的取值可以由接入网设备配置给终端，也可以由协议预先规定好，不予限制。
方式三下，在SSB附近设置完寻呼指示之后，终端可以知道该寻呼指示对应哪R个PO，哪个寻呼指示对应的R个PO包括终端的PO，进而根据寻呼指示对应的R个PO以及第一字段中指示信息的排序规则，确定自己的PO对应的指示信息是哪个指示信息，进而根据自己的PO对应的指示信息确定自己的PO内是否有寻呼，并在没有寻呼的情况下，尽早停止工作，节省能量消耗。
例如，仍以图3c为例，假设R＝3，在SSB1～SSB5附近均设置寻呼指示，SSB1附近的寻呼指示对应的3个PO为PO1～PO3，SSB2附近的寻呼指示对应的3个PO为PO2～PO4，SSB3附近的寻呼指示对应的3个PO为PO3～PO5。如果终端的PO为PO2，则终端可以确定PO2对应的位于SSB1寻呼指示还指示PO1以及PO3，进而根据PO3、PO2以及PO1的时域位置关系以及指示信息对应的排序规则，确定PO2对应的指示信息为第一字段中的第二个指示信息。
由上可知，如果寻呼时机被分组，如分为M个MO，此时，该寻呼时机对应的指示信息包括的M个bit可以是固定的也可以是动态调整的。在保证终端的虚警概率较低的情况下，为了不浪费信令开销，尽可能的使得固定长度的寻呼指示中所有bit被占用完，即都被填充上可用的信息。具体的，该方式如下示例一或者示例二所示：
示例一、如果寻呼指示中存在除第一字段之外的指示有效信息的其他字段，则
Figure PCTCN2021110090-appb-000005
Figure PCTCN2021110090-appb-000006
如果寻呼指示中指示有效信息的字段仅为第一字段，则M的取值为
Figure PCTCN2021110090-appb-000007
其中，A为寻呼指示的长度，B为寻呼指示中除第一字段之外指示有效信息的字段的长度，如可以为上述第二字段、第三字段、第四字段以及第五字段的总长度。
通过示例一所示方式，可以令寻呼指示中padding的比特数尽可能小，有效信息的比特数尽可能大，令寻呼时机进一步分组的数量M尽可能大，从而降低终端的寻呼虚警概率，提高终端被成功寻呼的概率。
示例二、R个寻呼时机中
Figure PCTCN2021110090-appb-000008
个寻呼时机对应的指示信息包括
Figure PCTCN2021110090-appb-000009
个比特；R个寻呼时机中剩余寻呼时机中每个寻呼时机对应的指示信息包括
Figure PCTCN2021110090-appb-000010
个比特。
其中，A为寻呼指示的长度，B为寻呼指示中除第一字段之外指示有效信息的字段的长度，如可以为上述第二字段、第三字段、第四字段以及第五字段的总长度。需要说明的是，如果寻呼指示中指示有效信息的字段仅为第一字段，则示例二所示公式中B的取值为0。
其中，示例二中，
Figure PCTCN2021110090-appb-000011
个寻呼时机对应的指示信息可以为位置靠前的一些指示信息，也可以为靠后的一些指示信息，还可以为第一字段中预设位置上的一些指示信息，不予限制。例如，用10个比特指示4个PO为例，根据示例二所示方式，可以得到4个PO对应的4个指示信息包括的比特数分别为{3，3，2，2}，或者{2，2，3，3}。
通过示例二所示方式，可以完全避免padding比特的存在，有效信息的比特数尽可能最大，寻呼时机进一步分组的数量M尽可能大，从而降低终端的寻呼虚警概率，提高终端被成功寻呼的概率。
进一步的，为了便于终端准确地接收到SSB附近的寻呼指示，寻呼指示与距离寻呼指示最近的同步信号块SSB之间为准共址(qusi-colocated，QCL)关系；或者，寻呼指示与寻呼指示关联的SSB之间为QCL关系。换而言之，终端设备可以假设寻呼指示与距离寻呼指示最近的同步信号块SSB之间具有准共址关系。当寻呼指示为DCI时，寻呼指示与SSB之间的QCL关系可以等价描述为寻呼指示所在的搜索空间关联的CORESET与关联的(或距离最近的)SSB之间为QCL关系。
其中，QCL关系实际上是表征终端用什么波束接收参数去接收信号，当两个下行信号是QCL的时，则终端可以使用相同的接收波束接收这两个信号。例如，如果寻呼指示与距离寻呼指示最近的同步信号块SSB之间为QCL关系，则终端可以使用与接收SSB相同的接收波束接收寻呼指示。如果寻呼指示与寻呼指示关联的SSB之间为QCL关系，则终端可以使用与寻呼指示关联的SSB相同的接收波束接收寻呼指示。
进一步的，在一个寻呼时机可能被多个寻呼指示来指示的情况下，终端接收的与该寻呼时机对应的指示信息可能不一致，导致终端无法通过寻呼指示实现节能的目的。例如，终端为差覆盖的终端，需要接收SSB1和SSB2做预同步，如果SSB1和SSB2附近的寻呼指示来指示的内容一致，终端接收SSB1附近的寻呼指示得到不会被寻呼的指示后，即可进入休眠状态来节能。如果SSB1和SSB2附近的寻呼指示来指示的内容不一致，则终端为了保险，还得再接收SSB2附近的寻呼指示，那就无法得到节能增益了。
为了避免上述问题，本申请实施例中，还需要规定不同寻呼指示中的第一字段针对同一寻呼时机的指示内容是相同的，使得各个寻呼指示中针对同一寻呼时机的指示信息的内容一致。
下面以寻呼指示为上述设计为例，对网络设备寻呼终端的过程进行描述。
本申请实施例提供的寻呼方法可用于***(4th generation，4G)***、长期演进(long term evolution，LTE)***、第五代(5th generation，5G)***、新空口(new radio，NR)***、NR-车与任何事物通信(vehicle-to-everything，V2X)***、物联网***中的任一***，还可以适用于其他下一代通信***等，不予限制。下面以图4所示通信***为例，对本申请实施例提供的寻呼方法进行描述。
图4是本申请实施例提供的一种通信***的示意图，如图4所示，该通信***可以包括网络设备以及多个终端，如：终端1、终端2以及终端3。在图4所示***中，终端与 网络设备之间可以通过Uu口进行数据传输，如网络设备可以通过Uu口向终端发送下行数据，终端可以通过Uu口向网络设备发送上行数据。终端与终端之间可以通过SL进行数据传输，如上所述，图4中的网络设备、终端均可以称为通信装置。需要说明的是，图4为示例性框架图，图4中包括的节点的数量不受限制，且除图4所示功能节点外，还可以包括其他节点，如：核心网设备、网关设备、应用服务器等等，不予限制。
其中，网络设备主要用于实现终端的资源调度、无线资源管理、无线接入控制等功能。具体的，网络设备可以为小型基站、无线接入点、收发点(transmission receive point，TRP)、传输点(transmission point，TP)以及某种其它接入节点中的任一节点。本申请实施例中，用于实现网络设备的功能的装置可以是网络设备，也可以是能够支持网络设备实现该功能的装置，例如芯片***(例如一个芯片，或多个芯片组成的处理***)或者调制解调器(modem)。下面以用于实现网络设备的功能的装置是网络设备为例，描述本申请实施例提供的寻呼方法。
终端可以为终端设备(terminal equipment)或者用户设备(user equipment，UE)或者移动台(mobile station，MS)或者移动终端(mobile terminal，MT)等。具体的，终端可以是手机(mobile phone)、平板电脑或带无线收发功能的电脑，还可以是虚拟现实(virtual reality，VR)终端、增强现实(augmented reality，AR)终端、工业控制中的无线终端、无人驾驶中的无线终端、远程医疗中的无线终端、智能电网中的无线终端、智慧城市(smart city)中的无线终端、智能家居、车载终端等。本申请实施例中，用于实现终端的功能的装置可以是终端，也可以是能够支持终端实现该功能的装置，例如芯片***(例如一个芯片，或多个芯片组成的处理***)或者调制解调器。下面以用于实现终端的功能的装置是终端为例，描述本申请实施例提供的寻呼方法。
在具体实现时，图4所示各网元，如：终端、网络设备可采用图5所示的组成结构或者包括图5所示的部件。图5为本申请实施例提供的一种通信装置500的组成示意图，当该通信装置500具有本申请实施例所述的终端的功能时，该通信装置500可以为终端或者终端中的芯片或者片上***。
如图5所示，该通信装置500可以包括处理器501，通信线路502以及通信接口503。进一步的，该通信装置500还可以包括存储器504。其中，处理器501，存储器504以及通信接口503之间可以通过通信线路502连接。
其中，处理器501可以是中央处理器(central processing unit，CPU)、通用处理器网络处理器(network processor，NP)、数字信号处理器(digital signal processing，DSP)、微处理器、微控制器、可编程逻辑器件(programmable logic device，PLD)或它们的任意组合。处理器501还可以是其它具有处理功能的装置，如电路、器件或软件模块等。
通信线路502，用于在通信装置500所包括的各部件之间传送信息。
通信接口503，用于与其他设备或其它通信网络进行通信。该其它通信网络可以为以太网，无线接入网(radio access network，RAN)，无线局域网(wireless local area networks，WLAN)等。通信接口503可以是射频模块、收发器或者任何能够实现通信的装置。本申请实施例以通信接口503为射频模块为例进行说明，其中，射频模块可以包括天线、射频电路等，射频电路可以包括射频集成芯片、功率放大器等。
存储器504，用于存储指令。其中，指令可以是计算机程序。
其中，存储器504可以是只读存储器(read-only memory，ROM)或可存储静态信息和/或指令的其他类型的静态存储设备，也可以是随机存取存储器(random access memory，RAM)或者可存储信息和/或指令的其他类型的动态存储设备，还可以是电可擦可编程只读存储器(electrically erasable programmable read-only memory，EEPROM)、只读光盘(compact disc read-only memory，CD-ROM)或其他光盘存储、光碟存储、磁盘存储介质或其他磁存储设备，光碟存储包括压缩光碟、激光碟、光碟、数字通用光碟、蓝光光碟等。
需要说明的是，存储器504可以独立于处理器501存在，也可以和处理器501集成在一起。存储器504可以用于存储指令或者程序代码或者一些数据等。存储器504可以位于通信装置500内，也可以位于通信装置500外，不予限制。处理器501，用于执行存储器504中存储的指令，以实现本申请下述实施例提供的寻呼方法。
在一种示例中，处理器501可以包括一个或多个CPU，例如图5中的CPU0和CPU1。
作为一种可选的实现方式，通信装置500包括多个处理器，例如，除图5中的处理器501之外，还可以包括处理器507。
作为一种可选的实现方式，通信装置500还包括输出设备505和输入设备506。输入设备506是键盘、鼠标、麦克风或操作杆等，输出设备505是显示屏、扬声器(speaker)等设备。
需要说明的是，通信装置500可以是台式机、便携式电脑、网络服务器、移动手机、平板电脑、无线终端、嵌入式设备、芯片***或有图5中类似结构的设备。此外，图5中示出的组成结构并不构成对该通信装置的限定，除图5所示部件之外，该通信装置可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
本申请实施例中，芯片***可以由芯片构成，也可以包括芯片和其他分立器件。
下面结合图4所示通信***，以寻呼指示为PO为例，对网络设备寻呼第一终端的过程进行描述。下述实施例中各设备可以具有图5所示部件，且各实施例之间涉及的动作，术语等可以相互参考，各实施例中设备之间交互的消息名称或消息中的参数名称等只是一个示例，具体实现中也可以采用其他的名称，不予限制。例如，本申请所述的“包括”可以替换描述为“包含”或者“携带”等。本申请所述的寻呼指示可以替换描述为WUS或者提前寻呼指示等等。
图6为本申请实施例提供的一种寻呼方法，如图6所示，所述方法可以包括：
步骤601：网络设备确定寻呼终端。
其中，网络设备可以为图4中的网络设备，终端可以包括图4中处于空闲态或者非激活态的一个或者多个终端，如可以包括第一终端、第二终端、第三终端等，这些终端可以对应同一PO或者不同PO，不予限制。本实施例以这些终端对应同一PO为例进行描述。
示例性的，当终端存在下行业务需求时，网络设备确定寻呼终端，触发终端从空闲态或者非激活态切换到连接态，并在处于连接态接收下行业务。
步骤602：网络设备在终端的PO之前周期性发送一个或者多个SSB，以及在一个或者多个SSB附近发送一个或者多个寻呼指示。
其中，终端的PO可以为终端监测调度了携带有寻呼消息的PDSCH的DCI的时间区间，示例性的，网络设备可以根据上述公式(1)以及上述公式(2)确定终端的PF以及终端的PO，不予赘述。
其中，SSB可以用于终端进行预同步，SSB的相关描述如上所述，不予赘述。
其中，寻呼指示可以用于指示包括终端的PO在内的一个或者多个PO内是否有寻呼，如寻呼指示可以指示R个PO内是否有寻呼，R为大于或等于1的整数。寻呼指示包括的指示信息的数量以及各个指示信息包括的比特数的多少可参照上述描述，如一个指示信息可以包括一个比特也可以包括M个比特，各个指示信息包括的比特数相同或不同，不予赘述。
其中，附近发送有寻呼指示的SSB可以位于同一SSB周期，也可以位于不同的SSB周期，不予限制。此外，本申请中，为了便于描述，可以将附近发送有寻呼指示的SSB称为与寻呼指示关联/对应的SSB或者距离寻呼指示最近的SSB等，不予限制。以寻呼指示对应SSB为例，一个SSB可以对应一个寻呼指示，即一个SSB附近可以发送一个寻呼指示，SSB与其附近的寻呼指示之间的位置关系可以参照上述，不予赘述。
具体的，各个寻呼指示的设计形式可以参照图2所述，寻呼指示与PO之间的映射关系，如一个寻呼指示具体指示多少个PO、一个PO具体对应多少个PO等的确定方式可参照上述方式一或者方式二或者方式三所述，如一个寻呼指示可以指示R个PO，一个PO可以对应K个寻呼指示，或者一个PO对应一个监测时间区间内的寻呼指示等等，不予赘述。
进一步的，为了避免同一PO对应的指示信息的不一致，导致终端无法实现节能的目的，如果终端的PO对应多个寻呼指示，则多个寻呼指示中用于指示终端的PO的指示信息是相同的，以此解决同一PO对应的指示信息的不一致，保证终端准备地获取指示信息，并在指示未被寻呼的情况下提前进入休眠状态，实现节能。
进一步的，为了提高网络设备发送寻呼指示的准确性，以及便于终端准确地接收到寻呼指示，PO与PO对应的SSB之间为QCL关系或者PO与PO关联的SSB之间为QCL关系，网络设备可以根据SSB的发送波束向终端发送寻呼指示，对应的，终端根据SSB的接收波束接收寻呼指示，提高终端接收寻呼指示的准确性。
步骤603：网络设备在终端的PO内发送DCI，DCI用于调度携带寻呼消息的PDSCH。
其中，DCI以及PDSCH的相关描述可参照上述，不予赘述。
其中，寻呼消息可以包括需要寻呼的多个终端(如第一终端、第二终端等)的标识信息等，需要寻呼的终端的PO是相同的，如此，实现通过一次寻呼过程寻呼多个终端的目的，降低网络设备与终端交互带来的信令开销以及能量消耗。
步骤604：终端接收一个或者多个SSB，以及接收一个或者多个寻呼指示。
示例性的，终端可以根据SSB的相关配置、以及自身的覆盖情况和/或自身的硬件处理能力，确定接收需要接收哪些SSB，进一步的并根据上述方式一或者方式二或者方式三终端的PO对应的寻呼指示位于需要接收的SSB中的哪些SSB附近，根据确定结果接收一个或者多个SSB以及一个或者多个寻呼指示。
需要说明的是，本申请不限定步骤603、步骤604的执行顺序，可以同时执行也可以如图6所示，先执行步骤603，再执行步骤604，或者，先执行步骤604，再执行步骤603等，不予限制。此外，需要注意的是，本申请中，对于网络设备以及终端而言，“寻呼指示的设计形式(如寻呼指示具备包括哪些字段、寻呼指示中各个指示信息具备包括多少个比特数)”、以及“一个寻呼指示具体指示多少个PO、一个PO具体对应多少个PO的确 定方式”是一致的，二者可以事先预定好采用哪种设计形式、哪种确定方式，或者，由网络设备确定选择哪种设计形式、哪种确定方式，并将选择结果指示给终端等，不予限制。
步骤605：终端根据第一寻呼指示确定是否监测(或继续监测)终端的PO内的DCI。
其中，第一寻呼指示可以为终端的PO对应的一个或者多个寻呼指示中的第一个寻呼指示，也可以是终端的PO对应的一个或者多个寻呼指示中的任一寻呼指示等，不予限制。
示例性的，终端根据第一寻呼指示确定是否监测(或继续监测)终端的PO内的DCI可以包括：终端根据终端的PO在R个PO中的时域位置，确定终端的PO对应的指示信息，根据终端的PO对应的指示信息确定是否在终端的PO上监测DCI，例如，如果终端的PO对应的指示信息用于指示终端的PO内存在寻呼，则确定在终端的PO上监测DCI；如果中的PO对应的指示信息用于指示终端的PO内不存在寻呼，则确定不在终端的PO上监测DCI，终端停止工作，进入休眠状态，节省能量消耗。
如上所述，R个PO对应的R个指示信息可以按照R个PO的时域位置的先后排列在寻呼指示，如时域位置在先的PO对应的指示信息在寻呼指示中靠前排列，时域位置在后的PO对应的指示信息在寻呼指示中靠后排列，或者，时域位置在先的PO对应的指示信息在寻呼指示中靠后排列，时域位置在后的PO对应的指示信息在寻呼指示中靠前排列。终端根据终端的PO在R个PO中的时域位置，确定终端的PO对应的指示信息可以包括：终端根据R个指示信息的排序规则确定出终端的PO对应的指示信息。
进一步的，如果终端根据第一寻呼指示确定监测终端的PO内的DCI，则终端从接收到第一寻呼指示之后继续处于工作状态，并完成预同步，在预同步之后监测终端的PO内的DCI，在DCI所指示的资源位置上接收携带寻呼消息的PDSCH，根据寻呼消息携带的终端的标识信息确定自己是否被寻呼到，若被寻呼到，则发起随机接入过程，随机接入成功后，与网络设备相互传输业务数据。
基于图6所示方法，网络设备可以在PO之前预先设置寻呼指示，通过寻呼指示提前向终端指示PO内是否有寻呼，以便PO内没有寻呼时触发终端提前停止工作，进入休眠状态，以降低终端的能量消耗，同时，图6所述方法还可以通过设置一个寻呼指示来指示多个PO内是否有寻呼，达到一次指示多个PO内是否有寻呼的目的，节省信令开销。
上述主要从各个节点之间交互的角度对本申请实施例提供的方案进行了介绍。可以理解的是，各个节点，例如终端等为了实现上述功能，其包含了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应该很容易意识到，结合本文中所公开的实施例描述的各示例的算法步骤，本申请能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
本申请实施例可以根据上述方法示例对终端等进行功能模块的划分，例如，可以对应各个功能划分各个功能模块，也可以将两个或两个以上的功能集成在一个处理模块中。上述集成的模块既可以采用硬件的形式实现，也可以采用软件功能模块的形式实现。需要说明的是，本申请实施例中对模块的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。
图7示出了一种通信装置70的结构图，该通信装置70可以为第一通信装置，或者第 一通信装置中的芯片，或者片上***，该通信装置70可以用于执行上述实施例中涉及的第一通信装置的功能。作为一种可实现方式，图7所示通信装置70包括：接收单元701，处理单元702；
接收单元701，用于在终端的寻呼时机之前，接收网络设备发送的包括第一字段的第一寻呼指示，第一字段用于指示包括终端的寻呼时机的R个寻呼时机内是否发送寻呼。例如，接收单元701可以支持通信装置70执行步骤604。
处理单元702，用于根据第一寻呼时机，确定是否在终端的寻呼时机上监测用于调度寻呼消息的DCI。例如，处理单元702可以支持通信装置70执行步骤605。
具体的，上述图6所示方法实施例涉及的各步骤的所有相关内容均可以援引到对应功能模块的功能描述，在此不再赘述。通信装置70用于执行图6所示方法所示寻呼方法中终端的功能，因此可以达到与上述寻呼方法相同的效果。
作为又一种可实现方式，图7所示通信装置70包括：处理模块和通信模块。处理模块用于对通信装置70的动作进行控制管理，例如，处理模块可以集成处理单元702的功能，可以用于支持该通信装置70执行步骤605及本文所描述的技术的其它过程。通信模块可以集成接收单元701的功能，可以用于支持通信装置70执行步骤604以及与其他网络实体的通信，例如与图4示出的功能模块或网络实体之间的通信。该通信装置70还可以包括存储模块，用于存储通信装置70的程序代码和数据。
其中，处理模块可以是处理器或控制器。其可以实现或执行结合本申请公开内容所描述的各种示例性的逻辑方框，模块和电路。处理器也可以是实现计算功能的组合，例如包含一个或多个微处理器组合，DSP和微处理器的组合等等。通信模块可以是收发电路或通信接口等。存储模块可以是存储器。当处理模块为处理器，通信模块为通信接口，存储模块为存储器时，本申请实施例所涉及的通信装置70可以为图5所示通信装置500。
图8为本申请实施例提供的一种通信***的结构图，如图8所示，该通信***可以包括：终端80、网络设备。终端80的功能与上述通信装置70的功能相同。
例如，终端80，用于在终端80的寻呼时机之前，接收网络设备发送的包括第一字段的第一寻呼指示，第一字段用于指示包括终端80的寻呼时机的R个寻呼时机内是否发送寻呼，根据第一寻呼时机，确定是否在终端80的寻呼时机上监测用于调度寻呼消息的DCI。
其中，寻呼时机的设计方式、寻呼指示与寻呼时机之间的映射关系、以及终端的具体执行动作可参照图6所示方法中的相关描述以及设计方式，不予赘述。
本申请实施例还提供了一种计算机可读存储介质。上述方法实施例中的全部或者部分流程可以由计算机程序来指令相关的硬件完成，该程序可存储于上述计算机可读存储介质中，该程序在执行时，可包括如上述各方法实施例的流程。计算机可读存储介质可以是前述任一实施例的终端，如：包括数据发送端和/或数据接收端的内部存储单元，例如终端的硬盘或内存。上述计算机可读存储介质也可以是上述终端的外部存储设备，例如上述终端上配备的插接式硬盘，智能存储卡(smart media card，SMC)，安全数字(secure digital，SD)卡，闪存卡(flash card)等。进一步地，上述计算机可读存储介质还可以既包括上述终端的内部存储单元也包括外部存储设备。上述计算机可读存储介质用于存储上述计算机程序以及上述终端所需的其他程序和数据。上述计算机可读存储介质还可以用于暂时地存储已经输出或者将要输出的数据。
结合以上，本申请还提供如下实施例：
实施例1、一种寻呼方法，其中，所述方法包括：
终端在所述终端的寻呼时机之前，接收网络设备发送的第一寻呼指示，所述第一寻呼指示包括第一字段，所述第一字段用于指示R个寻呼时机内是否发送寻呼，所述R个寻呼时机包括所述终端的寻呼时机，所述R为大于或等于1的整数；
所述终端根据所述第一寻呼时机，确定是否在所述终端的寻呼时机上监测下行控制信息DCI，所述DCI用于调度寻呼消息。
实施例2、根据实施例1所述的方法，其中，
所述第一字段包括R个指示信息，所述R个指示信息中的第i个指示信息指示所述R个寻呼时机中的第i个寻呼时机内是否发送寻呼，所述i为大于等于1小于等于R的整数。
实施例3、根据实施例2所述的方法，其中，所述终端根据所述第一寻呼时机，确定是否在所述终端的寻呼时机上监测下行控制信息DCI，包括：
所述终端根据所述终端的寻呼时机在所述R个寻呼时机中的时域位置，确定所述终端的寻呼时机对应的指示信息；
所述终端根据所述终端的寻呼时机对应的指示信息，确定是否在所述终端的寻呼时机上监测DCI。
实施例4、根据实施例1-实施例3任一项所述的方法，其中，所述终端在所述终端的寻呼时机之前，接收网络设备发送的第一寻呼指示，包括：
所述终端根据所述终端的寻呼时机的时域位置，确定所述终端的寻呼时机对应的K个寻呼指示，其中，所述K为大于或等于1的整数；
所述终端在所述寻呼时机之前接收所述K个寻呼指示，并从所述K个寻呼指示中确定所述第一寻呼指示。
实施例5、根据实施例4所述的方法，其中，
所述K由所述网络设备配置给所述终端。
实施例6、根据实施例1-实施例3任一项所述的方法，其中，所述终端在所述终端的寻呼时机之前，接收网络设备发送的第一寻呼指示包括：
所述终端在监测时间区间内，接收网络设备发送的第一寻呼指示。
实施例7、根据实施例6所述的方法，其中，
所述终端接收所述网络设备发送的监测时间窗配置信息，所述监测时间窗配置信息用于确定所述监测时间区间；
所述终端根据所述监测时间窗配置信息，确定所述监测时间区间。
实施例8、根据实施例1-实施例3任一项所述的方法，其中，所述R个寻呼时机为所述第一寻呼指示之后离所述第一寻呼指示最近的R个寻呼时机。
实施例9、根据实施例8所述的方法，其中，
所述R由所述网络设备配置给所述终端。
实施例10、根据实施例1-实施例9任一项所述的方法，其中，所述第一字段包括所述R个寻呼时机中每个寻呼时机对应的指示信息，所述R个寻呼时机中每个寻呼时机对应的指示信息包括M个比特数，所述M个比特数用于指示与所述指示信息对应的寻呼时机内是否有寻呼，所述M为大于或等于1的整数。
实施例11、根据实施例10所述的方法，其中，
所述M由所述网络设备配置给所述终端；或者，
所述M满足公式：M＝，所述A为一个寻呼指示的长度，所述B为所述寻呼指示中除第一字段之外指示有效信息的字段的长度。
实施例12、根据实施例1-实施例9任一项所述的方法，其中，所述第一字段包括所述R个寻呼时机中每个寻呼时机对应的指示信息；
所述R个寻呼时机中个寻呼时机对应的指示信息包括个比特；所述R个寻呼时机中剩余寻呼时机中每个寻呼时机对应的指示信息包括个比特；所述A为寻呼指示的长度，所述B为所述寻呼指示中除第一字段之外指示有效信息的字段的长度。
实施例13、根据实施例1-实施例12任一项所述的方法，其中，所述寻呼指示还包括下述一种或者多种字段：第二字段实施例、第三字段实施例、第四字段；
所述第二字段用于指示所述寻呼指示是否包括短消息SM；
所述第三字段用于指示SM；
所述第四字段用于指示辅助参考信号的可用性，所述辅助参考信号为所述网络设备配置的辅助参考信号，或者与所述R个寻呼时机关联的辅助参考信号；
实施例14、根据实施例13所述的方法，其中，所述第二字段为所述R个寻呼时机公共的信息。
实施例15、根据实施例13所述的方法，其中，所述SM指示下述一种或多种信息：***消息变更指示信息实施例、地震海啸预警信息实施例、商业移动警报信息实施例、停止监测寻呼消息的指示信息。
实施例16、根据实施例13-实施例15任一项所述的方法，其中，所述第三字段的长度为所述网络设备配置的。
实施例17、根据实施例13-实施例16任一项所述的方法，其中，所述第三字段为所述R个寻呼时机公共的信息。
实施例18、根据实施例13-实施例17任一项所述的方法，其中，所述第四字段用于指示辅助参考信号的可用性，包括：
所述第四字段的长度等于所述网络设备配置的辅助参考信号或辅助参考信号组的数量，其中，所述辅助参考信号组包括一个或多个辅助参考信号；或者，
所述第四字段的长度等于所述R个寻呼时机关联的辅助参考信号或辅助参考信号组的数量，或者，
所述第四字段包括R个子字段，所述R个子字段与所述R个寻呼时机对应，一个子字段用于指示与所述子字段对应的寻呼时机所关联的辅助参考信号的可用性。
实施例19、根据实施例1-实施例7任一项所述的方法，其中，所述第一寻呼指示还包括第五字段；所述第五字段用于指示所述第一字段指示的寻呼时机的数量；或者，
所述第五字段用于指示所述第一字段的长度。
实施例20、根据实施例1-实施例19任一项所述的方法，其中，
不同寻呼指示中的第一字段针对同一寻呼时机的指示内容是相同的。
实施例21、根据实施例1-实施例20任一项所述的方法，其中，
所述第一寻呼指示与距离所述第一寻呼指示最近的同步信号块SSB之间为准共址 QCL关系；或者，
所述第一寻呼指示与所述第一寻呼指示关联的SSB之间为QCL关系。
实施例22、一种通信装置，其中，所述通信装置包括：
终端在所述终端的寻呼时机之前，接收网络设备发送的第一寻呼指示，所述第一寻呼指示包括第一字段，所述第一字段用于指示R个寻呼时机内是否发送寻呼，所述R个寻呼时机包括所述终端的寻呼时机，所述R为大于或等于1的整数；
所述终端根据所述第一寻呼时机，确定是否在所述终端的寻呼时机上监测下行控制信息DCI，所述DCI用于调度寻呼消息。
实施例23、根据实施例22所述的通信装置，其中，
所述第一字段包括R个指示信息，所述R个指示信息中的第i个指示信息指示所述R个寻呼时机中的第i个寻呼时机内是否发送寻呼，所述i为大于等于1小于等于R的整数。
实施例24、根据实施例24所述的通信装置，其中，所述终端根据所述第一寻呼时机，确定是否在所述终端的寻呼时机上监测下行控制信息DCI，包括：
所述终端根据所述终端的寻呼时机在所述R个寻呼时机中的时域位置，确定所述终端的寻呼时机对应的指示信息；
所述终端根据所述终端的寻呼时机对应的指示信息，确定是否在所述终端的寻呼时机上监测DCI。
实施例25、根据实施例22-实施例24任一项所述的通信装置，其中，所述终端在所述终端的寻呼时机之前，接收网络设备发送的第一寻呼指示，包括：
所述终端根据所述终端的寻呼时机的时域位置，确定所述终端的寻呼时机对应的K个寻呼指示，其中，所述K为大于或等于1的整数；
所述终端在所述寻呼时机之前接收所述K个寻呼指示，并从所述K个寻呼指示中确定所述第一寻呼指示。
实施例26、根据实施例25所述的通信装置，其中，
所述K由所述网络设备配置给所述终端。
实施例27、根据实施例22-实施例24任一项所述的通信装置，其中，所述终端在所述终端的寻呼时机之前，接收网络设备发送的第一寻呼指示包括：
所述终端在监测时间区间内，接收网络设备发送的第一寻呼指示。
实施例28、根据实施例27所述的通信装置，其中，
所述终端接收所述网络设备发送的监测时间窗配置信息，所述监测时间窗配置信息用于确定所述监测时间区间；
所述终端根据所述监测时间窗配置信息，确定所述监测时间区间。
实施例29、根据实施例22-实施例24任一项所述的通信装置，其中，所述R个寻呼时机为所述第一寻呼指示之后离所述第一寻呼指示最近的R个寻呼时机。
实施例30、根据实施例29所述的通信装置，其中，
所述R由所述网络设备配置给所述终端。
实施例31、根据实施例22-实施例30任一项所述的通信装置，其中，所述第一字段包括所述R个寻呼时机中每个寻呼时机对应的指示信息，所述R个寻呼时机中每个寻呼时机 对应的指示信息包括M个比特数，所述M个比特数用于指示与所述指示信息对应的寻呼时机内是否有寻呼，所述M为大于或等于1的整数。
实施例32、根据实施例31所述的通信装置，其中，
所述M由所述网络设备配置给所述终端；或者，
所述M满足公式：
Figure PCTCN2021110090-appb-000012
所述A为一个寻呼指示的长度，所述B为所述寻呼指示中除第一字段之外指示有效信息的字段的长度。
实施例33、根据实施例22-实施例30任一项所述的通信装置，其中，所述第一字段包括所述R个寻呼时机中每个寻呼时机对应的指示信息；
所述R个寻呼时机中
Figure PCTCN2021110090-appb-000013
个寻呼时机对应的指示信息包括
Figure PCTCN2021110090-appb-000014
个比特；所述R个寻呼时机中剩余寻呼时机中每个寻呼时机对应的指示信息包括
Figure PCTCN2021110090-appb-000015
个比特；所述A为寻呼指示的长度，所述B为所述寻呼指示中除第一字段之外指示有效信息的字段的长度。
实施例34、根据实施例22-实施例33任一项所述的通信装置，其中，所述寻呼指示还包括下述一种或者多种字段：第二字段实施例、第三字段实施例、第四字段；
所述第二字段用于指示所述寻呼指示是否包括短消息SM；
所述第三字段用于指示SM；
所述第四字段用于指示辅助参考信号的可用性，所述辅助参考信号为所述网络设备配置的辅助参考信号，或者与所述R个寻呼时机关联的辅助参考信号；
实施例35、根据实施例34所述的通信装置，其中，所述第二字段为所述R个寻呼时机公共的信息。
实施例36、根据实施例34所述的通信装置，其中，所述SM指示下述一种或多种信息：***消息变更指示信息实施例、地震海啸预警信息实施例、商业移动警报信息实施例、停止监测寻呼消息的指示信息。
实施例37、根据实施例24-实施例36任一项所述的通信装置，其中，所述第三字段的长度为所述网络设备配置的。
实施例38、根据实施例34-实施例37任一项所述的通信装置，其中，所述第三字段为所述R个寻呼时机公共的信息。
实施例39、根据实施例24-实施例38任一项所述的通信装置，其中，所述第四字段用于指示辅助参考信号的可用性，包括：
所述第四字段的长度等于所述网络设备配置的辅助参考信号或辅助参考信号组的数量，其中，所述辅助参考信号组包括一个或多个辅助参考信号；或者，
所述第四字段的长度等于所述R个寻呼时机关联的辅助参考信号或辅助参考信号组的数量，或者，
所述第四字段包括R个子字段，所述R个子字段与所述R个寻呼时机对应，一个子字段用于指示与所述子字段对应的寻呼时机所关联的辅助参考信号的可用性。
实施例40、根据实施例22-实施例28任一项所述的通信装置，其中，所述第一寻呼指示还包括第五字段；所述第五字段用于指示所述第一字段指示的寻呼时机的数量；或者，
所述第五字段用于指示所述第一字段的长度。
实施例41、根据实施例22-实施例40任一项所述的通信装置，其中，
不同寻呼指示中的第一字段针对同一寻呼时机的指示内容是相同的。
实施例42、根据实施例22-实施例41任一项所述的通信装置，其中，
所述第一寻呼指示与距离所述第一寻呼指示最近的同步信号块SSB之间为准共址QCL关系；或者，
所述第一寻呼指示与所述第一寻呼指示关联的SSB之间为QCL关系。
实施例43、一种通信***，其中，该通信***包括：
终端，用于在所述终端的寻呼时机之前，接收网络设备发送的第一寻呼指示，所述第一寻呼指示包括第一字段，所述第一字段用于指示R个寻呼时机内是否发送寻呼，所述R个寻呼时机包括所述终端的寻呼时机，所述R为大于或等于1的整数；
所述终端根据所述第一寻呼时机，确定是否在所述终端的寻呼时机上监测下行控制信息DCI，所述DCI用于调度寻呼消息。
实施例44、一种通信装置，其特征在于，所述通信装置包括一个或者多个处理器、通信接口，所述一个或者多个处理以及所述通信接口用于支持所述通信装置执行如实施例1-21任一项所述的寻呼方法。
实施例45、一种计算机可读存储介质，其特征在于，所述计算机可读存储介质包括计算机指令，当所述计算机指令在计算机上运行时，使得所述计算机执行如实施例1-21任一项所述的寻呼方法。
需要说明的是，本申请的说明书、权利要求书及附图中的术语“第一”和“第二”等是用于区别不同对象，而不是用于描述特定顺序。此外，术语“包括”和“具有”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、***、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。
应当理解，在本申请中，“至少一个(项)”是指一个或者多个，“多个”是指两个或两个以上，“至少两个(项)”是指两个或三个及三个以上，“和/或”，用于描述关联对象的关联关系，表示可以存在三种关系，例如，“A和/或B”可以表示：只存在A，只存在B以及同时存在A和B三种情况，其中A，B可以是单数或者复数。字符“/”一般表示前后关联对象是一种“或”的关系。“以下至少一项(个)”或其类似表达，是指这些项中的任意组合，包括单项(个)或复数项(个)的任意组合。例如，a，b或c中的至少一项(个)，可以表示：a，b，c，“a和b”，“a和c”，“b和c”，或“a和b和c”，其中a，b，c可以是单个，也可以是多个。
应理解，在本申请实施例中，“与A对应的B”表示B与A相关联。例如，可以根据A可以确定B。还应理解，根据A确定B并不意味着仅仅根据A确定B，还可以根据A和/或其它信息确定B。此外，本申请实施例中出现的“连接”是指直接连接或者间接连接等各种连接方式，以实现设备间的通信，本申请实施例对此不做任何限定。
本申请实施例中出现的“传输”(transmit/transmission)如无特别说明，是指双向传输，包含发送和/或接收的动作。具体地，本申请实施例中的“传输”包含数据的发送，数据的接收，或者数据的发送和数据的接收。或者说，这里的数据传输包括上行和/或下行数据传输。数据可以包括信道和/或信号，上行数据传输即上行信道和/或上行信号传输，下行数据传输即下行信道和/或下行信号传输。本申请实施例中出现的“网络”与“***”表达的是同一概 念，通信***即为通信网络。
通过以上的实施方式的描述，所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，仅以上述各功能模块的划分进行举例说明，实际应用中，可以根据需要而将上述功能分配由不同的功能模块完成，即将装置的内部结构划分成不同的功能模块，以完成以上描述的全部或者部分功能。
在本申请所提供的几个实施例中，应该理解到，所揭露的装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述模块或单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个装置，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或也可以不是物理上分开的，作为单元显示的部件可以是一个物理单元或多个物理单元，即可以位于一个地方，或者也可以分布到多个不同地方。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个可读取存储介质中。基于这样的理解，本申请实施例的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以软件产品的形式体现出来，该软件产品存储在一个存储介质中，包括若干指令用以使得一个设备，如：可以是单片机，芯片等，或处理器(processor)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。

Claims (24)

  1. 一种寻呼方法，其特征在于，所述方法包括：
    终端在所述终端的寻呼时机之前，接收网络设备发送的第一寻呼指示，所述第一寻呼指示包括第一字段，所述第一字段用于指示R个寻呼时机内是否发送寻呼，所述R个寻呼时机包括所述终端的寻呼时机，所述R为大于或等于1的整数；
    所述终端根据所述第一寻呼时机，确定是否在所述终端的寻呼时机上监测下行控制信息DCI，所述DCI用于调度寻呼消息。
  2. 根据权利要求1所述的方法，其特征在于，
    所述第一字段包括R个指示信息，所述R个指示信息中的第i个指示信息指示所述R个寻呼时机中的第i个寻呼时机内是否发送寻呼，所述i为大于等于1小于等于R的整数。
  3. 根据权利要求2所述的方法，其特征在于，所述终端根据所述第一寻呼时机，确定是否在所述终端的寻呼时机上监测下行控制信息DCI，包括：
    所述终端根据所述终端的寻呼时机在所述R个寻呼时机中的时域位置，确定所述终端的寻呼时机对应的指示信息；
    所述终端根据所述终端的寻呼时机对应的指示信息，确定是否在所述终端的寻呼时机上监测DCI。
  4. 根据权利要求1-3任一项所述的方法，其特征在于，所述终端在所述终端的寻呼时机之前，接收网络设备发送的第一寻呼指示，包括：
    所述终端根据所述终端的寻呼时机的时域位置，确定所述终端的寻呼时机对应的K个寻呼指示，其中，所述K为大于或等于1的整数；
    所述终端在所述寻呼时机之前接收所述K个寻呼指示，并从所述K个寻呼指示中确定所述第一寻呼指示。
  5. 根据权利要求4所述的方法，其特征在于，
    所述K由所述网络设备配置给所述终端。
  6. 根据权利要求1-3任一项所述的方法，其特征在于，所述终端在所述终端的寻呼时机之前，接收网络设备发送的第一寻呼指示包括：
    所述终端在监测时间区间内，接收网络设备发送的第一寻呼指示。
  7. 根据权利要求6所述的方法，其特征在于，
    所述终端接收所述网络设备发送的监测时间窗配置信息，所述监测时间窗配置信息用于确定所述监测时间区间；
    所述终端根据所述监测时间窗配置信息，确定所述监测时间区间。
  8. 根据权利要求1-3任一项所述的方法，其特征在于，所述R个寻呼时机为所述第一寻呼指示之后离所述第一寻呼指示最近的R个寻呼时机。
  9. 根据权利要求8所述的方法，其特征在于，
    所述R由所述网络设备配置给所述终端。
  10. 根据权利要求1-9任一项所述的方法，其特征在于，所述第一字段包括所述R个寻呼时机中每个寻呼时机对应的指示信息，所述R个寻呼时机中每个寻呼时机对应的指示信息包括M个比特数，所述M个比特数用于指示与所述指示信息对应的寻呼时机内是否有寻呼，所述M为大于或等于1的整数。
  11. 根据权利要求10所述的方法，其特征在于，
    所述M由所述网络设备配置给所述终端；或者，
    所述M满足公式：
    Figure PCTCN2021110090-appb-100001
    所述A为一个寻呼指示的长度，所述B为所述寻呼指示中除第一字段之外指示有效信息的字段的长度。
  12. 根据权利要求1-9任一项所述的方法，其特征在于，所述第一字段包括所述R个寻呼时机中每个寻呼时机对应的指示信息；
    所述R个寻呼时机中
    Figure PCTCN2021110090-appb-100002
    个寻呼时机对应的指示信息包括
    Figure PCTCN2021110090-appb-100003
    个比特；所述R个寻呼时机中剩余寻呼时机中每个寻呼时机对应的指示信息包括
    Figure PCTCN2021110090-appb-100004
    个比特；所述A为寻呼指示的长度，所述B为所述寻呼指示中除第一字段之外指示有效信息的字段的长度。
  13. 根据权利要求1-12任一项所述的方法，其特征在于，所述寻呼指示还包括下述一种或者多种字段：第二字段、第三字段、第四字段；
    所述第二字段用于指示所述寻呼指示是否包括短消息SM；
    所述第三字段用于指示SM；
    所述第四字段用于指示辅助参考信号的可用性，所述辅助参考信号为所述网络设备配置的辅助参考信号，或者与所述R个寻呼时机关联的辅助参考信号。
  14. 根据权利要求13所述的方法，其特征在于，所述第二字段为所述R个寻呼时机公共的信息。
  15. 根据权利要求13所述的方法，其特征在于，所述SM指示下述一种或多种信息：***消息变更指示信息、地震海啸预警信息、商业移动警报信息、停止监测寻呼消息的指示信息。
  16. 根据权利要求13-15任一项所述的方法，其特征在于，所述第三字段的长度为所述网络设备配置的。
  17. 根据权利要求13-16任一项所述的方法，其特征在于，所述第三字段为所述R个寻呼时机公共的信息。
  18. 根据权利要求13-17任一项所述的方法，其特征在于，所述第四字段用于指示辅助参考信号的可用性，包括：
    所述第四字段的长度等于所述网络设备配置的辅助参考信号或辅助参考信号组的数量，其中，所述辅助参考信号组包括一个或多个辅助参考信号；或者，
    所述第四字段的长度等于所述R个寻呼时机关联的辅助参考信号或辅助参考信号组的数量，或者，
    所述第四字段包括R个子字段，所述R个子字段与所述R个寻呼时机对应，一个子字段用于指示与所述子字段对应的寻呼时机所关联的辅助参考信号的可用性。
  19. 根据权利要求1-7任一项所述的方法，其特征在于，所述第一寻呼指示还包括第五字段；所述第五字段用于指示所述第一字段指示的寻呼时机的数量；或者，
    所述第五字段用于指示所述第一字段的长度。
  20. 根据权利要求1-19任一项所述的方法，其特征在于，
    不同寻呼指示中的第一字段针对同一寻呼时机的指示内容是相同的。
  21. 根据权利要求1-20任一项所述的方法，其特征在于，
    所述第一寻呼指示与距离所述第一寻呼指示最近的同步信号块SSB之间为准共址QCL关系；或者，
    所述第一寻呼指示与所述第一寻呼指示关联的SSB之间为QCL关系。
  22. 一种通信***，其中，该通信***包括：
    终端，用于在所述终端的寻呼时机之前，接收网络设备发送的第一寻呼指示，所述第一寻呼指示包括第一字段，所述第一字段用于指示R个寻呼时机内是否发送寻呼，所述R个寻呼时机包括所述终端的寻呼时机，所述R为大于或等于1的整数；
    所述终端根据所述第一寻呼时机，确定是否在所述终端的寻呼时机上监测下行控制信息DCI，所述DCI用于调度寻呼消息。
  23. 一种通信装置，其特征在于，所述通信装置包括一个或者多个处理器、通信接口，所述一个或者多个处理以及所述通信接口用于支持所述通信装置执行如权利要求1-21任一项所述的寻呼方法。
  24. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质包括计算机指令，当所述计算机指令在计算机上运行时，使得所述计算机执行如权利要求1-21任一项所述的寻呼方法。
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