WO2021082892A1 - 寻呼检测及指示方法、设备、介质 - Google Patents

寻呼检测及指示方法、设备、介质 Download PDF

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Publication number
WO2021082892A1
WO2021082892A1 PCT/CN2020/120326 CN2020120326W WO2021082892A1 WO 2021082892 A1 WO2021082892 A1 WO 2021082892A1 CN 2020120326 W CN2020120326 W CN 2020120326W WO 2021082892 A1 WO2021082892 A1 WO 2021082892A1
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Prior art keywords
dci
paging
terminal
information field
detection parameter
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PCT/CN2020/120326
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English (en)
French (fr)
Inventor
杨拓
王飞
胡丽洁
Original Assignee
中国移动通信有限公司研究院
中国移动通信集团有限公司
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Priority to EP20881446.7A priority Critical patent/EP4050949B1/en
Publication of WO2021082892A1 publication Critical patent/WO2021082892A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W68/00User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005Transmission of information for alerting of incoming communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W68/00User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02Arrangements for increasing efficiency of notification or paging channel
    • H04W68/025Indirect paging
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0061Error detection codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0225Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229Power 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/20Manipulation of established connections
    • H04W76/28Discontinuous transmission [DTX]; Discontinuous reception [DRX]

Definitions

  • the present disclosure relates to the field of wireless communication technology, and in particular to a method, equipment, and medium for paging detection and indication.
  • the terminal uses Discontinuous Reception (DRX) to detect paging messages.
  • DRX Discontinuous Reception
  • the terminal detects a paging opportunity (Paging occasion, PO) in each DRX cycle, and a PO is a group of physical downlink control channel (physical downlink control channel, PDCCH) detection opportunities, which may include multiple time slots.
  • PDCCH physical downlink control channel
  • Transmission on PO will use Paging-Radio Network Temporary Identity (P-RNTI) scrambling to indicate the PDCCH of the paging message.
  • P-RNTI Paging-Radio Network Temporary Identity
  • a paging frame (Paging Frame, PF) is a radio frame, and the frame may include one or more POs.
  • the disadvantage of the related technology is that according to the current paging design, user equipment (User Equipment, UE) will produce invalid detection.
  • user equipment User Equipment, UE
  • the present disclosure provides a method, equipment, and medium for paging detection and indication, so as to solve the problem of invalid detection of UE in current paging design.
  • the embodiment of the present disclosure provides a paging detection indication method, which includes:
  • the paging detection parameter is determined according to one or a combination of the following parameters:
  • the terminal identifier the number of PFs in the DRX cycle, the number of POs in the paging frame, and the length of the first information field.
  • the terminal identifier is 5G-S-TMSI, or the remainder of 5G-S-TMSI divided by 1024, or 0.
  • the paging detection parameter is equal to floor[UE_ID/(N*Ns)] mod L, where UE_ID is the terminal identifier, L is the length of the first information field, and N is the PF in the DRX cycle Ns is the number of POs in the paging frame.
  • the corresponding relationship between the value of the first information field and the paging detection parameter of the terminal instructs the terminal to detect the PO associated with the DCI or to receive the paging message scheduled by the DCI, which is in the first information field.
  • An information field uses a bitmap to indicate at least one paging detection parameter of a terminal that needs to detect a PO associated with the DCI or receive a paging message scheduled by the DCI.
  • it further includes:
  • the DCI carries a second information field for instructing the terminal to update system messages; and/or,
  • the DCI carries a third information field for instructing the terminal to obtain ETWS information and/or CMAS information.
  • it further includes:
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1, if the The bit value of the bit position in the first information field is 1, then the paging detection parameter is the paging detection parameter corresponding to the bit position, and the terminal detects the PO associated with the DCI;
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1. If the bit value of the bit position in the first information field is 1, then the terminal whose paging detection parameter is the paging detection parameter corresponding to the bit position receives the paging message scheduled by the DCI.
  • An embodiment of the present disclosure provides a paging detection method, which includes:
  • the paging detection parameter is determined according to one or a combination of the following parameters:
  • the terminal identifier the number of PFs in the DRX cycle, the number of POs in the paging frame, and the length of the first information field.
  • the terminal identifier is 5G-S-TMSI, or the remainder of 5G-S-TMSI divided by 1024, or 0.
  • the paging detection parameter is equal to floor[UE_ID/(N*Ns)] mod L, where UE_ID is the terminal identifier, L is the length of the first information field, and N is the PF in the DRX cycle Ns is the number of POs in the paging frame.
  • determining whether to detect the PO associated with the DCI or receive the paging message scheduled by the DCI according to the value of the first information field corresponding to the paging detection parameter is based on the information in the first information field
  • the bitmap determines which paging detection parameters the terminal has when it needs to detect the PO associated with the DCI or receive the paging message scheduled by the DCI.
  • it further includes:
  • the DCI When the DCI carries the second information field for instructing the terminal to update the system message, acquire the system message according to the instruction; and/or,
  • SIB6 or SIB7 or SIB8 is received according to the instruction to receive the ETWS information and/or CMAS information.
  • it further includes:
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1. If the terminal's If the bit value of the first information field corresponding to the paging detection parameter is 1, the terminal detects the PO associated with the DCI; or,
  • the bits of the first information field from high to low are mapped with the value of the paging detection parameter from 0 to L-1, if the terminal If the bit value of the first information field corresponding to the paging detection parameter is 1, the terminal receives the paging message scheduled by the DCI.
  • An embodiment of the present disclosure provides a base station, which includes:
  • the processor is used to read the program in the memory and execute the following process:
  • Transceiver used to receive and send data under the control of the processor, perform the following process:
  • the paging detection parameter is determined according to one or a combination of the following parameters:
  • the terminal identifier the number of PFs in the DRX cycle, the number of POs in the paging frame, and the length of the first information field.
  • the terminal identifier is 5G-S-TMSI, or the remainder of 5G-S-TMSI divided by 1024, or 0.
  • the paging detection parameter is equal to floor[UE_ID/(N*Ns)] mod L, where UE_ID is the terminal identifier, L is the length of the first information field, and N is the PF in the DRX cycle Ns is the number of POs in the paging frame.
  • the corresponding relationship between the value of the first information field and the paging detection parameter of the terminal instructs the terminal to detect the PO associated with the DCI or to receive the paging message scheduled by the DCI, which is in the first information field.
  • An information field uses a bitmap to indicate at least one paging detection parameter of a terminal that needs to detect a PO associated with the DCI or receive a paging message scheduled by the DCI.
  • it further includes:
  • the DCI carries a second information field for instructing the terminal to update system messages; and/or,
  • the DCI carries a third information field for instructing the terminal to obtain ETWS information and/or CMAS information.
  • it further includes:
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1, if the The bit value of the bit position in the first information field is 1, then the paging detection parameter is the paging detection parameter corresponding to the bit position, and the terminal detects the PO associated with the DCI;
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1. If the bit value of the bit position in the first information field is 1, then the terminal whose paging detection parameter is the paging detection parameter corresponding to the bit position receives the paging message scheduled by the DCI.
  • An embodiment of the present disclosure provides a base station, which includes:
  • the determining module is used to determine the terminal that needs to detect the PO or receive the paging message
  • the sending module is configured to send the DCI carrying the first information field to the terminal, and instruct the terminal to detect the PO associated with the DCI or receive the PO through the corresponding relationship between the value of the first information field and the paging detection parameter of the terminal Paging messages scheduled by DCI;
  • the paging detection parameter is determined according to one or a combination of the following parameters:
  • the terminal identifier the number of PFs in the DRX cycle, the number of POs in the paging frame, and the length of the first information field.
  • the terminal identifier is 5G-S-TMSI, or the remainder of 5G-S-TMSI divided by 1024, or 0.
  • the paging detection parameter is equal to floor[UE_ID/(N*Ns)] mod L, where UE_ID is the terminal identifier, L is the length of the first information field, and N is the PF in the DRX cycle Ns is the number of POs in the paging frame.
  • the sending module is further configured to instruct the terminal to detect the PO associated with the DCI or receive the paging message scheduled by the DCI based on the correspondence between the value of the first information field and the paging detection parameter of the terminal.
  • a bitmap is used to indicate at least one paging detection parameter of a terminal that needs to detect a PO associated with the DCI or receive a paging message scheduled by the DCI.
  • the sending module is further used to:
  • the DCI carries a second information field for instructing the terminal to update system messages; and/or,
  • the DCI carries a third information field for instructing the terminal to obtain ETWS information and/or CMAS information.
  • the sending module is further used to:
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1, if the The bit value of the bit position in the first information field is 1, then the paging detection parameter is the paging detection parameter corresponding to the bit position, and the terminal detects the PO associated with the DCI;
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1. If the bit value of the bit position in the first information field is 1, then the terminal whose paging detection parameter is the paging detection parameter corresponding to the bit position receives the paging message scheduled by the DCI.
  • An embodiment of the present disclosure provides a terminal, which includes:
  • Transceiver used to receive and send data under the control of the processor, perform the following process:
  • the processor is used to read the program in the memory and execute the following process:
  • the paging detection parameter is determined according to one or a combination of the following parameters:
  • the terminal identifier the number of PFs in the DRX cycle, the number of POs in the paging frame, and the length of the first information field.
  • the terminal identifier is 5G-S-TMSI, or the remainder of 5G-S-TMSI divided by 1024, or 0.
  • the paging detection parameter is equal to floor[UE_ID/(N*Ns)] mod L, where UE_ID is the terminal identifier, L is the length of the first information field, and N is the PF in the DRX cycle Ns is the number of POs in the paging frame.
  • determining whether to detect the PO associated with the DCI or receive the paging message scheduled by the DCI according to the value of the first information field corresponding to the paging detection parameter is based on the information in the first information field
  • the bitmap determines which paging detection parameters the terminal has when it needs to detect the PO associated with the DCI or receive the paging message scheduled by the DCI.
  • it further includes:
  • the DCI When the DCI carries the second information field for instructing the terminal to update the system message, acquire the system message according to the instruction; and/or,
  • SIB6 or SIB7 or SIB8 is received according to the instruction to receive the ETWS information and/or CMAS information.
  • it further includes:
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1. If the terminal's If the bit value of the first information field corresponding to the paging detection parameter is 1, the terminal detects the PO associated with the DCI; or,
  • the bits of the first information field from high to low are mapped with the value of the paging detection parameter from 0 to L-1, if the terminal If the bit value of the first information field corresponding to the paging detection parameter is 1, the terminal receives the paging message scheduled by the DCI.
  • An embodiment of the present disclosure provides a terminal, which includes:
  • the receiving module is used to receive the DCI carrying the first information domain
  • An execution module configured to determine whether to detect a PO associated with the DCI or receive a paging message scheduled by the DCI according to the value of the first information field corresponding to the paging detection parameter;
  • the paging detection parameter is determined according to one or a combination of the following parameters:
  • the terminal identifier the number of PFs in the DRX cycle, the number of POs in the paging frame, and the length of the first information field.
  • the terminal identifier is 5G-S-TMSI, or the remainder of 5G-S-TMSI divided by 1024, or 0.
  • the paging detection parameter is equal to floor[UE_ID/(N*Ns)] mod L, where UE_ID is the terminal identifier, L is the length of the first information field, and N is the PF in the DRX cycle Ns is the number of POs in the paging frame.
  • the execution module is further configured to determine whether to detect the PO associated with the DCI or receive the paging message scheduled by the DCI according to the value of the first information field corresponding to the paging detection parameter, according to the The bitmap in the first information field determines which paging detection parameters the terminal has when it needs to detect the PO associated with the DCI or receive the paging message scheduled by the DCI.
  • the execution module is further used to:
  • the DCI When the DCI carries the second information field for instructing the terminal to update the system message, acquire the system message according to the instruction; and/or,
  • SIB6 or SIB7 or SIB8 is received according to the instruction to receive the ETWS information and/or CMAS information.
  • the execution module is further used to:
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1. If the terminal's If the bit value of the first information field corresponding to the paging detection parameter is 1, the terminal detects the PO associated with the DCI; or,
  • the bits of the first information field from high to low are mapped with the value of the paging detection parameter from 0 to L-1, if the terminal If the bit value of the first information field corresponding to the paging detection parameter is 1, the terminal receives the paging message scheduled by the DCI.
  • An embodiment of the present disclosure provides a communication device, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, wherein the processor implements the above-mentioned paging detection when the computer program is executed. Indication method and/or paging detection method.
  • An embodiment of the present disclosure provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program that executes the above-mentioned paging detection instruction method and/or paging detection method.
  • the DCI since the DCI carries the paging detection parameter in the first information field, and the first information field and the paging detection parameter are used to indicate whether the terminal detects the PO associated with the DCI. Or receive a paging message.
  • a PO or a part of UEs in a PO need to detect the paging PDCCH and/or PDSCH through a physical signal or channel, thereby avoiding unnecessary detection of the paging PDCCH or PDSCH by the terminal.
  • the terminal For the terminal that needs to detect the PDCCH at each PO location but does not necessarily have a real paging message, after the terminal detects the PDCCH scrambled by the P-RNTI, it no longer needs to detect the PDSCH to determine whether there is a real paging message. Paging message.
  • FIG. 1 is a schematic diagram of the implementation process of the paging detection indication method on the network side in an embodiment of the disclosure
  • FIG. 2 is a schematic diagram of the implementation process of the paging detection method on the terminal side in the embodiments of the disclosure
  • FIG. 3 is a schematic diagram of the structure of a base station in an embodiment of the disclosure.
  • Fig. 4 is a schematic diagram of a terminal structure in an embodiment of the disclosure.
  • PF is a system frame that satisfies the following formula:
  • i_s is used to indicate the index of PO, i_s is obtained by the following formula:
  • i_s floor(UE_ID/N)mod Ns
  • N is the number of PFs included in T time
  • Ns is the number of POs included in a PF
  • PF_offset is the offset value used to calculate PF
  • UE_ID User Equipment Identity
  • UE_ID 0.
  • UEs with the same or different UE_IDs will calculate the same PO position, that is, a PO will include multiple UEs.
  • DCI Downlink Control Information
  • P-RNTI scrambling cyclic redundancy check (CRC) the Physical downlink shared channel scheduled by the PDCCH
  • the PagingRecordList (paging record list) in Physical Downlink Shared Channel, PDSCH determines whether the PagingUE-Identity (paging UE identity) is the same as your own 5G-S-TMSI or fullI-RNTI (full I-RNTI; I-RNTI: Inactive network temporary identifier, Inactive radio Network Temporary Identifier) can be matched to determine whether you are paged.
  • the PDCCH for scheduling paging messages adopts DCI format 1_0, and its CRC is scrambled by P-RNTI.
  • DCI format 1_0 scrambled by P-RNTI
  • the short message indicator is introduced in the P-RNTI scrambled DCI format 1_0, which is used to indicate the indication information of the terminal system message update and the public warning system (Public Warning System, PWS) notification information.
  • the PWS notification information includes earthquake and Tsunami Early Warning System (Earthquake and Tsunami Warning System, ETWS) and Commercial Mobile Alert System (Commercial Mobile Alert Service, CMAS) notification information. If the terminal detects the indication information of the system message update and/or the PWS notification information, the terminal will start to receive the system message.
  • the UE Under the current paging design of NR, the UE needs to detect the PDCCH at each of its own PO locations, but there may not necessarily be a real paging message, that is, even if the terminal detects the PDCCH scrambled by the P-RNTI, it still needs The PDSCH is detected to determine whether there is a paging message.
  • physical signals or channels can be used to indicate whether a PO or some UEs in a PO need to detect paging PDCCH and/or PDSCH, so as to avoid unnecessary power consumption for the terminal to detect paging PDCCH or PDSCH.
  • the physical signal or channel indication can also be used without detecting the paging PDCCH scrambled by the P-RNTI.
  • the embodiment of the present disclosure provides a paging detection indication and a detection scheme to avoid unnecessary detection by the terminal.
  • the specific implementation manner of the present disclosure will be described below with reference to the accompanying drawings.
  • the description will be made from the implementation of the UE and the base station respectively, and then an example of the implementation of the two will also be given to better understand the implementation of the solutions given in the embodiments of the present disclosure.
  • This way of explanation does not mean that the two must be implemented together or implemented separately.
  • the UE and the base station are implemented separately, they also solve the problems of the UE side and the base station side respectively, and when the two are used in combination, they will Get better technical results.
  • Figure 1 is a schematic diagram of the implementation process of the paging detection indication method on the network side.
  • Step 101 Determine the terminal that needs to detect the PO or receive the paging message
  • Step 102 Send the DCI carrying the first information field to the terminal, and instruct the terminal to detect the PO associated with the DCI or receive the DCI schedule through the corresponding relationship between the value of the first information field and the paging detection parameter of the terminal Paging message.
  • Figure 2 is a schematic diagram of the implementation process of the paging detection method on the terminal side. As shown in the figure, it may include:
  • Step 201 Receive the DCI carrying the first information field.
  • Step 202 Determine whether to detect a PO associated with the DCI or receive a paging message scheduled by the DCI according to the value of the first information field corresponding to the paging detection parameter.
  • the paging detection parameter is determined according to one or a combination of the following parameters:
  • the terminal identifier the number of PFs in the DRX cycle, the number of POs in the paging frame, and the length of the first information field.
  • the name of the paging detection parameter can be named according to needs, or it will be named in other technical documents or in the future, but as long as the technical meaning refers to:
  • the corresponding relationship between the value of an information field and the paging detection parameter of the terminal indicates that the terminal detects the PO associated with the DCI or receives the paging message scheduled by the DCI, that is, as long as the parameter that satisfies the meaning is referred to in this application
  • the paging detection parameter may specifically be determined according to one of the terminal identifier, the number of PFs in the DRX cycle, the number of POs in the paging frame, the length parameter of the first information field, or a combination thereof Parameters.
  • the terminal identifier is 5G-S-TMSI, or the remainder of 5G-S-TMSI divided by 1024, or 0.
  • the terminal identifier is the 5G temporary mobile user identifier (5G-S-TMSI) or the remainder of the 5G temporary mobile user identifier divided by 1024 (5G-S-TMSI mod 1024) or 0.
  • the paging detection parameter is equal to floor[UE_ID/(N*Ns)] mod L, where UE_ID is the terminal identifier, L is the length of the first information field, and N is the PF in the DRX cycle Ns is the number of POs in the paging frame.
  • the corresponding relationship between the value of the first information field and the paging detection parameter of the terminal instructs the terminal to detect the PO associated with the DCI or to receive the paging message scheduled by the DCI, which is in the first information field.
  • An information field uses a bitmap to indicate at least one paging detection parameter of a terminal that needs to detect a PO associated with the DCI or receive a paging message scheduled by the DCI.
  • the determination of whether to detect the PO associated with the DCI or receive the paging message scheduled by the DCI according to the value of the first information field corresponding to the paging detection parameter is determined according to the bitmap in the first information field Which paging detection parameters the terminal has when it needs to detect the PO associated with the DCI or receive the paging message scheduled by the DCI.
  • the first information field uses a bitmap (bit mapping, or bit indication) to indicate which paging detection parameter terminals need to detect the PO associated with the DCI or receive a paging message.
  • bitmap bit mapping, or bit indication
  • the UE_ID of each interval N*Ns will be calculated to the same PO, that is, UE_ID, UE_ID+N*Ns, UE_ID+2*N*Ns, ....
  • the calculated PO is the same, in other words, the terminal with these UE_IDs will The paging DCI and the paging message will be detected at the same location.
  • the network side sends another DCI to indicate which terminals in a PO really need to detect the PO or receive a paging message.
  • the simplest way is to use a hash function as the paging detection parameter.
  • the length of the first information field is L
  • the paging detection parameter is UE_ID mod L
  • DCI uses bitmap to indicate which paging detections are available.
  • this calculation method of paging detection parameters may not use all the bits of the first information field in some scenarios, such as the following example:
  • this formula can ensure that all terminals in the PO can be evenly allocated to 6 paging detection parameter values. In this way, the length of the first information field can be maximized, and the length of the first information field can take any value. Through this formula, it can be ensured that the terminals in a PO are evenly allocated to different paging detection parameter values.
  • the network side can also indicate which terminals with paging detection parameters need to detect PO or receive paging messages through the bitmap of the first information field of the DCI.
  • the network side may further include:
  • the DCI carries a second information field for instructing the terminal to update system messages; and/or,
  • the DCI carries a third information field for instructing the terminal to obtain ETWS information and/or CMAS information.
  • system message update refers to acquiring broadcast control channels (BCCH) other than SIB6, SIB7, and SIB8.
  • BCCH broadcast control channels
  • SIB6 or SIB7 to get ETWS information
  • SIB8 to get CMAS information
  • the terminal side it further includes:
  • the DCI When the DCI carries the second information field for instructing the terminal to update the system message, acquire the system message according to the instruction; and/or,
  • SIB6 or SIB7 or SIB8 is received according to the instruction to receive the ETWS information and/or CMAS information.
  • the terminal acquires system messages.
  • the terminal receives SIB6 or SIB7 or SIB8.
  • the network side may further include:
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1, if If the bit value of the bit position in the first information field is 1, then the paging detection parameter is the paging detection parameter corresponding to the bit position.
  • the terminal detects the PO associated with the DCI; or,
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1. If the bit value of the bit position in the first information field is 1, then the terminal whose paging detection parameter is the paging detection parameter corresponding to the bit position receives the paging message scheduled by the DCI.
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1. If the value of a bit in a certain position in the first information field is 1, the terminal equal to the value of the paging detection parameter corresponding to the bit position receives the paging message.
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1. If the value of a bit in a certain position in the first information field is 1, the terminal equal to the value of the paging detection parameter corresponding to the bit position detects the PO associated with the DCI.
  • the terminal side may further include:
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1, if If the bit value of the first information field corresponding to the paging detection parameter of the terminal is 1, the terminal detects the PO associated with the DCI; or,
  • the bits of the first information field from high to low are mapped with the value of the paging detection parameter from 0 to L-1, if the terminal If the bit value of the first information field corresponding to the paging detection parameter is 1, the terminal receives the paging message scheduled by the DCI.
  • the terminal receives the DCI scrambled by a non-P-RNTI RNTI, and the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1. If the value of the bit corresponding to the value of the paging detection parameter of the terminal in the first information field is 1, the terminal detects the PO associated with the DCI, otherwise the terminal does not detect the PO associated with the DCI PO.
  • the terminal receives the DCI scrambled by the P-RNTI, and the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1. If the value of the bit corresponding to the value of the paging detection parameter of the terminal in the first information field is 1, the terminal receives the paging message, otherwise the terminal does not receive the paging message.
  • the DCI of the CRC scrambled by a non-P-RNTI RNTI (such as power saving RNTI (PS-RNTI)) carries the first information field of L bits, and the bitmap is used to indicate that the terminal needs to detect the PO associated with the DCI Paging detection parameters.
  • PS-RNTI power saving RNTI
  • paging detection parameter floor(UE_ID/N*Ns)mod L, where N is the number of PFs included in a DRX cycle of the UE, Ns is the number of POs included in a PF, and UE_ID is equal to 5G-S-TMSI mod 1024.
  • the PO that can be associated with the DCI is time-division multiplexed, and the terminal first detects the DCI, and determines whether it needs to detect the PO that is associated thereafter according to the first information field.
  • L 6 bits in DCI from high to low correspond to the value of the paging detection parameter (0, 1, 2, 3, 4, 5). If the bit value of a certain position is 1, it is equal to The terminal of the value of the paging detection parameter corresponding to this bit position needs to detect the PO associated with the DCI.
  • a terminal with a paging detection parameter of 1 needs to detect the PO associated with the DCI, and a terminal with a paging detection parameter calculated as other values does not need to detect the PO associated with the DCI.
  • the terminals in a PO can be divided into N groups, and the bitmap of the first information field is used to indicate which UEs need to detect the PO associated with the DCI. In this way, it is avoided that all UEs in a PO need to detect the PO, and only the UEs that really need to receive paging can detect the PO, which avoids the ineffective detection of PO and the energy consumption of the PDSCH scheduled by the PO by other UEs.
  • the DCI where the CRC is scrambled by a non-P-RNTI RNTI (for example, PS-RNTI) carries a 1-bit first information field and a 1-bit second information field.
  • bit value of the first information field is 1, all terminals that detect the DCI perform the system message update procedure. If the bit value of the second information field is 1, the terminal receives SIB6 or SIB7 or SIB8 to receive ETWS information and/or CMAS information.
  • the P-RNTI scrambled DCI will indicate whether the terminal has system message updates, or whether ETWS and CMAS information can be received.
  • the terminal After introducing the new RNTI scrambled DCI, the terminal needs to detect the new DCI first, and then determine whether to detect the DCI scrambled by the P-RNTI associated with it. If the system message is updated or the ETWS or CMAS information is notified, the terminal can directly obtain the notification message from the new DCI without detecting the DCI scrambled by the P-RNTI. In this way, it can avoid that the terminal detects the DCI twice and obtains the same notification message, and avoids useless PDCCH detection energy.
  • the terminal receives the DCI scrambled by the P-RNTI, and the DCI carries the first information field.
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1.
  • the terminal receives the paging message scheduled by the DCI; otherwise, the terminal does not detect the connection with the DCI. Scheduled paging message.
  • the DCI where the CRC is scrambled by the P-RNTI carries the first information field of L bits, and the bitmap is used to indicate the paging detection parameters of the terminal that needs to receive the paging message.
  • paging detection parameter floor(UE_ID/N*Ns)mod L, where N is the number of PFs included in a DRX cycle of the UE, Ns is the number of POs included in a PF, and UE_ID is equal to 5G-S-TMSI mod 1024.
  • L 6 bits in DCI from high to low correspond to the paging detection parameters (0, 1, 2, 3, 4, 5) respectively. If the bit value of a certain position is 1, then the corresponding ones have The terminal of the value of the paging detection parameter needs to detect the paging message in the PDSCH scheduled by the DCI.
  • the terminal with the paging detection parameter of 1 needs to detect the paging message scheduled by the DCI, and the terminal with the paging detection parameter calculated as other values does not need to detect the paging scheduled by the DCI news.
  • the terminals in a PO can be divided into N groups, and the bitmap of the first information field is used to indicate which UEs need to detect the paging message carried in the PDSCH scheduled by the DCI.
  • the embodiments of the present disclosure also provide a base station, a terminal, a communication device, and a computer-readable storage medium. Since these devices solve the problem in principle similar to the paging detection indication method and the paging detection method, The implementation of these devices can refer to the implementation of the method, and the repetition will not be repeated.
  • Figure 3 is a schematic diagram of the base station structure, as shown in the figure, including:
  • the processor 300 is configured to read a program in the memory 320 and execute the following process:
  • the transceiver 310 is used to receive and send data under the control of the processor 300, and execute the following process:
  • the paging detection parameter is determined according to one or a combination of the following parameters:
  • the terminal identifier the number of PFs in the DRX cycle, the number of POs in the paging frame, and the length of the first information field.
  • the terminal identifier is 5G-S-TMSI, or the remainder of 5G-S-TMSI divided by 1024, or 0.
  • the paging detection parameter is equal to floor[UE_ID/(N*Ns)] mod L, where UE_ID is the terminal identifier, L is the length of the first information field, and N is the PF in the DRX cycle Ns is the number of POs in the paging frame.
  • the corresponding relationship between the value of the first information field and the paging detection parameter of the terminal instructs the terminal to detect the PO associated with the DCI or to receive the paging message scheduled by the DCI, which is in the first information field.
  • An information field uses a bitmap to indicate at least one paging detection parameter of a terminal that needs to detect a PO associated with the DCI or receive a paging message scheduled by the DCI.
  • it further includes:
  • the DCI carries a second information field for instructing the terminal to update system messages; and/or,
  • the DCI carries a third information field for instructing the terminal to obtain ETWS information and/or CMAS information.
  • it further includes:
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1, if the The bit value of the bit position in the first information field is 1, then the paging detection parameter is the paging detection parameter corresponding to the bit position, and the terminal detects the PO associated with the DCI;
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1. If the bit value of the bit position in the first information field is 1, then the terminal whose paging detection parameter is the paging detection parameter corresponding to the bit position receives the paging message scheduled by the DCI.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 300 and various circuits of the memory represented by the memory 320 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 310 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium.
  • the processor 300 is responsible for managing the bus architecture and general processing, and the memory 320 can store data used by the processor 300 when performing operations.
  • An embodiment of the present disclosure provides a base station, which includes:
  • the determining module is used to determine the terminal that needs to detect the PO or receive the paging message
  • the sending module is configured to send the DCI carrying the first information field to the terminal, and instruct the terminal to detect the PO associated with the DCI or receive the PO through the corresponding relationship between the value of the first information field and the paging detection parameter of the terminal Paging messages scheduled by DCI;
  • the paging detection parameter is determined according to one or a combination of the following parameters:
  • the terminal identifier the number of PFs in the DRX cycle, the number of POs in the paging frame, and the length of the first information field.
  • the terminal identifier is 5G-S-TMSI, or the remainder of 5G-S-TMSI divided by 1024, or 0.
  • the paging detection parameter is equal to floor[UE_ID/(N*Ns)] mod L, where UE_ID is the terminal identifier, L is the length of the first information field, and N is the PF in the DRX cycle Ns is the number of POs in the paging frame.
  • the sending module is further configured to instruct the terminal to detect the PO associated with the DCI or receive the paging message scheduled by the DCI based on the correspondence between the value of the first information field and the paging detection parameter of the terminal.
  • a bitmap is used to indicate at least one paging detection parameter of a terminal that needs to detect a PO associated with the DCI or receive a paging message scheduled by the DCI.
  • the sending module is further used to:
  • the DCI carries a second information field for instructing the terminal to update system messages; and/or,
  • the DCI carries a third information field for instructing the terminal to obtain ETWS information and/or CMAS information.
  • the sending module is further used to:
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1, if the The bit value of the bit position in the first information field is 1, then the paging detection parameter is the paging detection parameter corresponding to the bit position, and the terminal detects the PO associated with the DCI;
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1. If the bit value of the bit position in the first information field is 1, then the terminal whose paging detection parameter is the paging detection parameter corresponding to the bit position receives the paging message scheduled by the DCI.
  • each part of the above-mentioned device is divided into various modules or units by function and described separately.
  • the functions of each module or unit can be implemented in the same one or more software or hardware.
  • Figure 4 is a schematic diagram of the terminal structure, as shown in the figure, including:
  • the transceiver 410 is configured to receive and send data under the control of the processor 400, and execute the following process:
  • the processor 400 is configured to read a program in the memory 420 and execute the following process:
  • the paging detection parameter is determined according to one or a combination of the following parameters:
  • the terminal identifier the number of PFs in the DRX cycle, the number of POs in the paging frame, and the length of the first information field.
  • the terminal identifier is 5G-S-TMSI, or the remainder of 5G-S-TMSI divided by 1024, or 0.
  • the paging detection parameter is equal to floor[UE_ID/(N*Ns)] mod L, where UE_ID is the terminal identifier, L is the length of the first information field, and N is the PF in the DRX cycle Ns is the number of POs in the paging frame.
  • determining whether to detect the PO associated with the DCI or receive the paging message scheduled by the DCI according to the value of the first information field corresponding to the paging detection parameter is based on the information in the first information field
  • the bitmap determines which paging detection parameters the terminal has when it needs to detect the PO associated with the DCI or receive the paging message scheduled by the DCI.
  • it further includes:
  • the DCI When the DCI carries the second information field for instructing the terminal to update the system message, acquire the system message according to the instruction; and/or,
  • SIB6 or SIB7 or SIB8 is received according to the instruction to receive the ETWS information and/or CMAS information.
  • it further includes:
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1. If the terminal's If the bit value of the first information field corresponding to the paging detection parameter is 1, the terminal detects the PO associated with the DCI; or,
  • the bits of the first information field from high to low are mapped with the value of the paging detection parameter from 0 to L-1, if the terminal If the bit value of the first information field corresponding to the paging detection parameter is 1, the terminal receives the paging message scheduled by the DCI.
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 400 and various circuits of the memory represented by the memory 420 are linked together.
  • the bus architecture can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, will not be further described herein.
  • the bus interface provides the interface.
  • the transceiver 410 may be a plurality of elements, that is, including a transmitter and a receiver, and provide a unit for communicating with various other devices on a transmission medium.
  • the user interface 430 may also be an interface capable of connecting externally and internally with the required equipment.
  • the connected equipment includes but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 400 is responsible for managing the bus architecture and general processing, and the memory 420 can store data used by the processor 400 when performing operations.
  • An embodiment of the present disclosure provides a terminal, which includes:
  • the receiving module is used to receive the DCI carrying the first information domain
  • An execution module configured to determine whether to detect a PO associated with the DCI or receive a paging message scheduled by the DCI according to the value of the first information field corresponding to the paging detection parameter;
  • the paging detection parameter is determined according to one or a combination of the following parameters:
  • the terminal identifier the number of PFs in the DRX cycle, the number of POs in the paging frame, and the length of the first information field.
  • the terminal identifier is 5G-S-TMSI, or the remainder of 5G-S-TMSI divided by 1024, or 0.
  • the paging detection parameter is equal to floor[UE_ID/(N*Ns)] mod L, where UE_ID is the terminal identifier, L is the length of the first information field, and N is the PF in the DRX cycle Ns is the number of POs in the paging frame.
  • the execution module is further configured to determine whether to detect the PO associated with the DCI or receive the paging message scheduled by the DCI according to the value of the first information field corresponding to the paging detection parameter, according to the The bitmap in the first information field determines which paging detection parameters the terminal has when it needs to detect the PO associated with the DCI or receive the paging message scheduled by the DCI.
  • the execution module is further used to:
  • the DCI When the DCI carries the second information field for instructing the terminal to update the system message, acquire the system message according to the instruction; and/or,
  • SIB6 or SIB7 or SIB8 is received according to the instruction to receive the ETWS information and/or CMAS information.
  • the execution module is further used to:
  • the bits of the first information field are mapped from high to low and the value of the paging detection parameter from 0 to L-1. If the terminal's If the bit value of the first information field corresponding to the paging detection parameter is 1, the terminal detects the PO associated with the DCI; or,
  • the bits of the first information field from high to low are mapped with the value of the paging detection parameter from 0 to L-1, if the terminal If the bit value of the first information field corresponding to the paging detection parameter is 1, the terminal receives the paging message scheduled by the DCI.
  • each part of the above-mentioned device is divided into various modules or units by function and described separately.
  • the functions of each module or unit can be implemented in the same one or more software or hardware.
  • An embodiment of the present disclosure provides a communication device, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, wherein the processor implements the above-mentioned paging detection when the computer program is executed. Indication method and/or paging detection method.
  • An embodiment of the present disclosure provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program that executes the above-mentioned paging detection instruction method and/or paging detection method.
  • the network side sends a DCI
  • the DCI carries the first information field to indicate the need to detect the PO associated with the DCI or the paging detection of the terminal receiving the paging message parameter.
  • the paging detection parameter is determined by at least one of the following parameters: terminal identification, the number of paging frames (PF) in the DRX cycle, the number of paging opportunities (PO) in the paging frame, and the length of the first information field.
  • non-P-RNTI scrambled CRC DCI may also carry system message update and/or PWS notification indication information.
  • DCI is used to indicate which terminals in a PO need to detect the PO or receive a paging message.
  • the terminals in one PO can be evenly distributed on different paging detection parameters, and the length of the first information field can be fully utilized to reduce the probability of false wake-up.
  • the technical solutions provided by the embodiments of the present disclosure are used to indicate that some terminals in a PO need to detect PO or receive paging messages, realize energy saving of the terminal in the RRC_IDLE state and RRC_INACTIVE state, and avoid unnecessary paging PDSCH detection . Furthermore, it is also considered how to evenly group the terminals in a PO to perform the wake-up instruction at the same time as the instruction.
  • the embodiments of the present disclosure can be provided as a method, a system, or a computer program product. Therefore, the present disclosure may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present disclosure may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, optical storage, etc.) containing computer-usable program codes.
  • a computer-usable storage media including but not limited to disk storage, optical storage, etc.
  • These computer program instructions can also be stored in a computer-readable memory that can guide a computer or other programmable data processing equipment to work in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture including the instruction device.
  • the device implements the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.
  • These computer program instructions can also be loaded on a computer or other programmable data processing equipment, so that a series of operation steps are executed on the computer or other programmable equipment to produce computer-implemented processing, so as to execute on the computer or other programmable equipment.
  • the instructions provide steps for implementing the functions specified in one process or multiple processes in the flowchart and/or one block or multiple blocks in the block diagram.

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Abstract

本公开公开了一种寻呼检测及指示方法、设备、介质,包括:确定需检测寻呼机会或接收寻呼消息的终端;向终端发送携带第一信息域的下行控制信息,并通过第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与下行控制信息关联的寻呼机会或接收下行控制信息调度的寻呼消息;接收携带第一信息域的下行控制信息;根据与寻呼检测参数的对应的第一信息域的值确定是否检测与下行控制信息关联的寻呼机会或接收下行控制信息调度的寻呼消息。

Description

寻呼检测及指示方法、设备、介质
相关申请的交叉引用
本申请主张在2019年10月29日在中国提交的中国专利申请号No.201911038972.9的优先权,其全部内容通过引用包含于此。
技术领域
本公开涉及无线通信技术领域,特别涉及一种寻呼检测及指示方法、设备、介质。
背景技术
在5G新空口(New Radio,NR)中,终端采用非连续接收(Discontinuous Reception,DRX)的方式检测寻呼消息。终端在每个DRX周期内检测一个寻呼机会(Paging occasion,PO),一个PO是一组物理下行控制信道(physical downlink control channel,PDCCH)检测机会,可以包括多个时隙。在PO上传输会使用寻呼-无线网络临时标识(Paging-Radio Network Temporary Identity,P-RNTI)加扰,指示寻呼消息的PDCCH。寻呼帧(Paging Frame,PF)是一个无线帧,该帧可能包含一个或多个PO。
相关技术的不足在于:按照目前的寻呼设计,用户设备(User Equipment,UE)会产生无效的检测。
发明内容
本公开提供了一种寻呼检测及指示方法、设备、介质,用以解决在目前的寻呼设计中UE会产生无效的检测的问题。
本公开实施例中提供了一种寻呼检测指示方法,其中,包括:
确定需检测PO或接收寻呼消息的终端;
向终端发送携带第一信息域的DCI,并通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息;
其中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
实施中,所述终端标识为5G-S-TMSI,或5G-S-TMSI除以1024的余数,或0。
实施中,所述寻呼检测参数等于floor[UE_ID/(N*Ns)]mod L,其中,UE_ID是所述终端标识,L是所述第一信息域的长度,N是DRX周期内的PF的数量,Ns是寻呼帧内PO的数量。
实施中,所述通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息,是在所述第一信息域利用bitmap指示至少一个需要检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息的终端的寻呼检测参数。
实施中,进一步包括:
在DCI携带用于指示终端进行系统消息更新的第二信息域;和/或,
在DCI携带用于指示终端获取ETWS信息和/或CMAS信息的第三信息域。
实施中,进一步包括:
使用P-RNTI对所述DCI的CRC进行加扰;或者,
使用非P-RNTI的RNTI对所述DCI的CRC进行加扰;
其中,在使用P-RNTI对所述DCI的CRC进行加扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,若所述第一信息域中比特位置的比特值为1,则寻呼检测参数为与该比特位置对应的寻呼检测参数的终端检测与所述DCI关联的PO;
在使用非P-RNTI的RNTI对所述DCI的CRC进行加扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,若所述第一信息域中比特位置的比特值为1,则寻呼检测参数为与该比特位置对应的寻呼检测参数的终端接收所述DCI调度的寻呼消息。
本公开实施例中提供了一种寻呼检测方法,其中,包括:
接收携带第一信息域的DCI;
根据与寻呼检测参数的对应的所述第一信息域的值确定是否检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息;
其中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
实施中,所述终端标识为5G-S-TMSI,或5G-S-TMSI除以1024的余数,或0。
实施中,所述寻呼检测参数等于floor[UE_ID/(N*Ns)]mod L,其中,UE_ID是所述终端标识,L是所述第一信息域的长度,N是DRX周期内的PF的数量,Ns是寻呼帧内PO的数量。
实施中,根据与寻呼检测参数的对应的所述第一信息域的值确定是否检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息,是根据所述第一信息域中的bitmap确定终端在具有哪些寻呼检测参数时需要检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息。
实施中,进一步包括:
在DCI携带用于指示终端进行系统消息更新的第二信息域时,根据指示获取系统消息;和/或,
在DCI携带用于指示终端获取ETWS信息和/或CMAS信息的第三信息域时,根据指示接收SIB6或SIB7或SIB8以进行ETWS信息和/或CMAS信息的接收。
实施中,进一步包括:
使用P-RNTI对所述DCI的CRC进行解扰;或者,
使用非P-RNTI的RNTI对所述DCI的CRC进行解扰;
其中,在使用P-RNTI对所述DCI的CRC进行解扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,如果终端的寻呼检测参数对应的第一信息域的比特值为1,则终端检测与所述DCI关联的PO;或者,
在使用非P-RNTI的RNTI对所述DCI的CRC进行解扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,如果终 端的寻呼检测参数对应的第一信息域的比特值为1,则终端接收所述DCI调度的寻呼消息。
本公开实施例中提供了一种基站,其中,包括:
处理器,用于读取存储器中的程序,执行下列过程:
确定需检测PO或接收寻呼消息的终端;
收发机,用于在处理器的控制下接收和发送数据,执行下列过程:
向终端发送携带第一信息域的DCI,并通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息;
其中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
实施中,所述终端标识为5G-S-TMSI,或5G-S-TMSI除以1024的余数,或0。
实施中,所述寻呼检测参数等于floor[UE_ID/(N*Ns)]mod L,其中,UE_ID是所述终端标识,L是所述第一信息域的长度,N是DRX周期内的PF的数量,Ns是寻呼帧内PO的数量。
实施中,所述通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息,是在所述第一信息域利用bitmap指示至少一个需要检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息的终端的寻呼检测参数。
实施中,进一步包括:
在DCI携带用于指示终端进行系统消息更新的第二信息域;和/或,
在DCI携带用于指示终端获取ETWS信息和/或CMAS信息的第三信息域。
实施中,进一步包括:
使用P-RNTI对所述DCI的CRC进行加扰;或者,
使用非P-RNTI的RNTI对所述DCI的CRC进行加扰;
其中,在使用P-RNTI对所述DCI的CRC进行加扰时,所述第一信息域 的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,若所述第一信息域中比特位置的比特值为1,则寻呼检测参数为与该比特位置对应的寻呼检测参数的终端检测与所述DCI关联的PO;
在使用非P-RNTI的RNTI对所述DCI的CRC进行加扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,若所述第一信息域中比特位置的比特值为1,则寻呼检测参数为与该比特位置对应的寻呼检测参数的终端接收所述DCI调度的寻呼消息。
本公开实施例中提供了一种基站,其中,包括:
确定模块,用于确定需检测PO或接收寻呼消息的终端;
发送模块,用于向终端发送携带第一信息域的DCI,并通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息;
其中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
实施中,所述终端标识为5G-S-TMSI,或5G-S-TMSI除以1024的余数,或0。
实施中,所述寻呼检测参数等于floor[UE_ID/(N*Ns)]mod L,其中,UE_ID是所述终端标识,L是所述第一信息域的长度,N是DRX周期内的PF的数量,Ns是寻呼帧内PO的数量。
实施中,发送模块进一步用于在所述通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息时,在所述第一信息域利用bitmap指示至少一个需要检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息的终端的寻呼检测参数。
实施中,发送模块进一步用于:
在DCI携带用于指示终端进行系统消息更新的第二信息域;和/或,
在DCI携带用于指示终端获取ETWS信息和/或CMAS信息的第三信息域。
实施中,发送模块进一步用于:
使用P-RNTI对所述DCI的CRC进行加扰;或者,
使用非P-RNTI的RNTI对所述DCI的CRC进行加扰;
其中,在使用P-RNTI对所述DCI的CRC进行加扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,若所述第一信息域中比特位置的比特值为1,则寻呼检测参数为与该比特位置对应的寻呼检测参数的终端检测与所述DCI关联的PO;
在使用非P-RNTI的RNTI对所述DCI的CRC进行加扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,若所述第一信息域中比特位置的比特值为1,则寻呼检测参数为与该比特位置对应的寻呼检测参数的终端接收所述DCI调度的寻呼消息。
本公开实施例中提供了一种终端,其中,包括:
收发机,用于在处理器的控制下接收和发送数据,执行下列过程:
接收携带第一信息域的DCI;
处理器,用于读取存储器中的程序,执行下列过程:
根据与寻呼检测参数的对应的所述第一信息域的值确定是否检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息;
其中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
实施中,所述终端标识为5G-S-TMSI,或5G-S-TMSI除以1024的余数,或0。
实施中,所述寻呼检测参数等于floor[UE_ID/(N*Ns)]mod L,其中,UE_ID是所述终端标识,L是所述第一信息域的长度,N是DRX周期内的PF的数量,Ns是寻呼帧内PO的数量。
实施中,根据与寻呼检测参数的对应的所述第一信息域的值确定是否检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息,是根据所述第一信息域中的bitmap确定终端在具有哪些寻呼检测参数时需要检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息。
实施中,进一步包括:
在DCI携带用于指示终端进行系统消息更新的第二信息域时,根据指示获取系统消息;和/或,
在DCI携带用于指示终端获取ETWS信息和/或CMAS信息的第三信息域时,根据指示接收SIB6或SIB7或SIB8以进行ETWS信息和/或CMAS信息的接收。
实施中,进一步包括:
使用P-RNTI对所述DCI的CRC进行解扰;或者,
使用非P-RNTI的RNTI对所述DCI的CRC进行解扰;
其中,在使用P-RNTI对所述DCI的CRC进行解扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,如果终端的寻呼检测参数对应的第一信息域的比特值为1,则终端检测与所述DCI关联的PO;或者,
在使用非P-RNTI的RNTI对所述DCI的CRC进行解扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,如果终端的寻呼检测参数对应的第一信息域的比特值为1,则终端接收所述DCI调度的寻呼消息。
本公开实施例中提供了一种终端,其中,包括:
接收模块,用于接收携带第一信息域的DCI;
执行模块,用于根据与寻呼检测参数的对应的所述第一信息域的值确定是否检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息;
其中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
实施中,所述终端标识为5G-S-TMSI,或5G-S-TMSI除以1024的余数,或0。
实施中,所述寻呼检测参数等于floor[UE_ID/(N*Ns)]mod L,其中,UE_ID是所述终端标识,L是所述第一信息域的长度,N是DRX周期内的PF的数量,Ns是寻呼帧内PO的数量。
实施中,执行模块进一步用于在根据与寻呼检测参数的对应的所述第一信息域的值确定是否检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息时,根据所述第一信息域中的bitmap确定终端在具有哪些寻呼检测参数时需要检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息。
实施中,执行模块进一步用于:
在DCI携带用于指示终端进行系统消息更新的第二信息域时,根据指示获取系统消息;和/或,
在DCI携带用于指示终端获取ETWS信息和/或CMAS信息的第三信息域时,根据指示接收SIB6或SIB7或SIB8以进行ETWS信息和/或CMAS信息的接收。
实施中,执行模块进一步用于:
使用P-RNTI对所述DCI的CRC进行解扰;或者,
使用非P-RNTI的RNTI对所述DCI的CRC进行解扰;
其中,在使用P-RNTI对所述DCI的CRC进行解扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,如果终端的寻呼检测参数对应的第一信息域的比特值为1,则终端检测与所述DCI关联的PO;或者,
在使用非P-RNTI的RNTI对所述DCI的CRC进行解扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,如果终端的寻呼检测参数对应的第一信息域的比特值为1,则终端接收所述DCI调度的寻呼消息。
本公开实施例中提供了一种通信设备,包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,其中,所述处理器执行所述计算机程序时实现上述寻呼检测指示方法和/或寻呼检测方法。
本公开实施例中提供了一种计算机可读存储介质,其中,所述计算机可读存储介质存储有执行上述寻呼检测指示方法和/或寻呼检测方法的计算机程序。
本公开有益效果如下:
在本公开实施例提供的技术方案中,由于在DCI中携带了在第一信息域 携带了寻呼检测参数,并利用第一信息域与寻呼检测参数来指示终端是否检测与DCI关联的PO或接收寻呼消息,这样,通过物理信号或者信道实现了指示一个PO或者一个PO中的部分UE是否需要检测寻呼PDCCH和/或PDSCH,从而避免了终端不必要的检测寻呼PDCCH或PDSCH。
对于需要在每个自己的PO位置检测PDCCH,但是不一定有真正的寻呼消息的终端而言,终端在检测了由P-RNTI加扰的PDCCH后,不再需要检测PDSCH来判断是否真正有寻呼消息。
对于在一个PO内只有一个UE需要被寻呼,在该PO上的其他终端而言,不再需要检测寻呼PDCCH和该PDCCH调度的PDSCH。进一步的,如果这部分终端处于RRC_IDLE或RRC_INACTIVE态的话,无疑会减少在寻呼PDCCH检测和寻呼消息PDSCH接收上的大量无效能量消耗。
附图说明
此处所说明的附图用来提供对本公开的进一步理解,构成本公开的一部分,本公开的示意性实施例及其说明用于解释本公开,并不构成对本公开的不当限定。在附图中:
图1为本公开实施例中网络侧的寻呼检测指示方法实施流程示意图;
图2为本公开实施例中终端侧的寻呼检测方法实施流程示意图;
图3为本公开实施例中基站结构示意图;
图4为本公开实施例中终端结构示意图。
具体实施方式
发明人在发明过程中注意到:
PF和PO的计算公式如下:
PF是满足如下公式的系统帧:
(SFN+PF_offset)mod T=(T div N)*(UE_ID mod N)
i_s用于指示PO的索引,i_s通过下面的公式得到:
i_s=floor(UE_ID/N)mod Ns
其中T是UE的DRX周期,N是T时间内包括的PF的数量,Ns是一 个PF内包括的PO的数量,PF_offset是用于计算PF的偏移值,UE_ID(用户设备标识)等于5G-S-TMSI mod 1024,其中,5G-S-TMSI(5G临时移动用户标识)是GUTI(全球唯一(用户)临时标识,Globally Unique Temporary Identity)的短格式,主要作用是提升无线信令流程的传输效率(例如在寻呼和业务请求流程中),5G-S-TMSI的结构为:<5G-S-TMSI>:=<AMF Set ID><AMF Pointer><5G-TMSI>。
如果UE没有5G-S-TMSI,则UE_ID=0。
在NR寻呼设计中,具有相同或者不同UE_ID的UE会计算到相同的PO位置,也即是一个PO中会包括多个UE。UE在检测寻呼PDCCH(P-RNTI加扰循环冗余校验(Cyclic redundancy check,CRC)的下行控制信息(Downlink Control Information,DCI)之后,需要进一步读取该PDCCH调度的物理下行共享信道(Physical Downlink Shared Channel,PDSCH)中的PagingRecordList(寻呼记录列表)判断其中PagingUE-Identity(寻呼UE标识)是否与自己的5G-S-TMSI或fullI-RNTI(全I-RNTI;I-RNTI:非激活态网络临时标识,Inactive radio Network Temporary Identifier)匹配,才能判断自己是否被寻呼。
调度寻呼消息的PDCCH采用DCI格式1_0,其CRC利用P-RNTI进行加扰。目前在P-RNTI加扰的DCI格式1_0中,还有预留的6bit没有被使用。此外在P-RNTI加扰的DCI格式1_0中引入了短消息指示符,用于指示终端系统消息更新的指示信息以及公共警告系统(Public Warning System,PWS)通知信息,其中PWS通知信息包括地震和海啸预警系统(Earthquake and Tsunami Warning System,ETWS)和商用移动报警系统(Commercial Mobile Alert Service,CMAS)通知信息。如果终端检测到系统消息更新的指示信息和/或PWS通知信息,终端就会开始接收系统消息。
在NR目前的寻呼设计下,UE需要在每个自己的PO位置检测PDCCH,但是不一定有真正的寻呼消息,也即,即使终端检测到了由P-RNTI加扰的PDCCH,但是仍然需要检测PDSCH来判断是否真正有寻呼消息。
即使在一个PO内只有一个UE需要被寻呼,按照目前的寻呼设计,在该PO上的所有UE都需要检测寻呼PDCCH和该PDCCH调度的PDSCH,这部分检测对于不需要被寻呼的UE是毫无作用的。因此处于RRC_IDLE(空闲 态RRC;RRC:无线资源控制,Radio Resource Control)或RRC_INACTIVE(非激活态RRC)态的UE会消耗大量能量在无效的寻呼PDCCH检测和寻呼消息PDSCH接收上。
综上可见,在NR中,可以通过物理信号或者信道指示一个PO或者一个PO中的部分UE是否需要检测寻呼PDCCH和/或PDSCH,来避免终端不必要的检测寻呼PDCCH或PDSCH的能耗。
同时对于PWS通知,也可以通过该物理信号或者信道指示,而无需检测P-RNTI加扰的寻呼PDCCH。
基于此,本公开实施例中提供了寻呼检测的指示以及检测方案,用以避免终端进行不必要的检测,下面结合附图对本公开的具体实施方式进行说明。
在说明过程中,将分别从UE与基站侧的实施进行说明,然后还将给出二者配合实施的实例以更好地理解本公开实施例中给出的方案的实施。这样的说明方式并不意味着二者必须配合实施、或者必须单独实施,实际上,当UE与基站分开实施时,其也各自解决UE侧、基站侧的问题,而二者结合使用时,会获得更好的技术效果。
图1为网络侧的寻呼检测指示方法实施流程示意图,如图所示,可以包括:
步骤101、确定需检测PO或接收寻呼消息的终端;
步骤102、向终端发送携带第一信息域的DCI,并通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息。
图2为终端侧的寻呼检测方法实施流程示意图,如图所示,可以包括:
步骤201、接收携带第一信息域的DCI;
步骤202、根据与寻呼检测参数的对应的所述第一信息域的值确定是否检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息。
实施中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
需要说明的是,对于寻呼检测参数这一称呼,可以根据需要进行命名, 或者,其在其它技术文献中、或者在将来会以其他名称命名,但是,只要技术含义是指:通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息,也即,只要满足该含义的参数也即本申请中所指的寻呼检测参数;寻呼检测参数具体可以是根据终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度参数之一或者其组合确定的参数。
实施中,所述终端标识为5G-S-TMSI,或5G-S-TMSI除以1024的余数,或0。
具体的,所述终端标识为5G临时移动用户标识(5G-S-TMSI)或5G临时移动用户标识除以1024的余数(5G-S-TMSI mod 1024)或为0。
实施中,所述寻呼检测参数等于floor[UE_ID/(N*Ns)]mod L,其中,UE_ID是所述终端标识,L是所述第一信息域的长度,N是DRX周期内的PF的数量,Ns是寻呼帧内PO的数量。
实施中,所述通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息,是在所述第一信息域利用bitmap指示至少一个需要检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息的终端的寻呼检测参数。
相应的,在终端侧则为:
根据与寻呼检测参数的对应的所述第一信息域的值确定是否检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息,是根据所述第一信息域中的bitmap确定终端在具有哪些寻呼检测参数时需要检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息。
具体的,第一信息域利用bitmap(比特映射,或者比特位指示)指示具有哪些寻呼检测参数的终端需要检测与所述DCI关联的PO或接收寻呼消息。
发明人注意到,根据目前PF和PO的计算公式,可以发现如下规律:
每间隔N*Ns的UE_ID会计算到相同的PO,也即是UE_ID,UE_ID+N*Ns,UE_ID+2*N*Ns,….计算的PO是相同的,换言之,拥有这些UE_ID的终端将会在相同的位置上检测寻呼DCI和寻呼消息。
正是由于具有这些规律的UE_ID的终端只在一个位置上检测一个相同的 寻呼DCI,才需要候选继续检测寻呼DCI调度的PDSCH来判断是否真正有自己的寻呼消息。因此,方案中,网络侧发送另一个DCI指示在一个PO内的哪些终端是真正需要检测PO或者接收寻呼消息的。
具体实施中,一种最简单的方式就是利用哈希函数作为寻呼检测参数,例如:第一信息域的长度为L,寻呼检测参数为UE_ID mod L,DCI利用bitmap指示具有哪些寻呼检测参数的终端需要检测PO或者接收寻呼消息,例如,第一信息域为101000,则UE_ID mod L=0和2的终端需要检测PO或者接收寻呼消息。
但是这种寻呼检测参数的计算方式在一些场景下会利用不到所有的第一信息域的比特,例如以下的例子:
其中T=320,N=8,Ns=2,L=6。
选取了PF=40,PO=1的例子,可以看出间隔16的UE_ID计算到同一个PO。如果选择UE_ID mod 6的计算公式,结果只会有3、1、5三个数值,也即是即使有L=6的bit可以作为划分一个PO内终端的第一信息域,也只会利用到其中的3个bit。同理UE_ID/6的计算结果也只有4,0,2三个数值,也只会利用到6bit第一信息域其中的3个bit。
因此,实施中可以选择floor[UE_ID/(N*Ns)]mod L来作为寻呼检测参数,这样不管UE_ID是5G-S-TMSI,还是5G-S-TMSI mod 1024,其计算结果都是0,1,2,3,4,5;也即是可以充分利用L=6bit。
除此之外,利用该公式,可以保证在该PO的所有终端可以均匀的分配到6个寻呼检测参数值。这样可以最大化使用第一信息域的长度,并且第一信息域的长度可以取任何值,通过该公式都可以保证均匀的将一个PO内的终端分配到不同的寻呼检测参数值上。
通过上述方式,网络侧也就可以通过所述DCI的第一信息域bitmap指示哪些寻呼检测参数的终端需要检测PO或者接收寻呼消息。
Figure PCTCN2020120326-appb-000001
Figure PCTCN2020120326-appb-000002
Figure PCTCN2020120326-appb-000003
实施中,在网络侧还可以进一步包括:
在DCI携带用于指示终端进行系统消息更新的第二信息域;和/或,
在DCI携带用于指示终端获取ETWS信息和/或CMAS信息的第三信息域。
具体实施中,系统消息更新是指获取除了SIB6、SIB7、SIB8之外的广播控制信道(Broadcast Control Channel,BCCH)。
获取ETWS信息的是SIB6或SIB7,CMAS信息的是SIB8。
相应的,在终端侧则进一步包括:
在DCI携带用于指示终端进行系统消息更新的第二信息域时,根据指示获取系统消息;和/或,
在DCI携带用于指示终端获取ETWS信息和/或CMAS信息的第三信息域时,根据指示接收SIB6或SIB7或SIB8以进行ETWS信息和/或CMAS信息的接收。
具体的,例如:如果第二信息域的值为1,则所述终端进行系统消息的获取。
如果第三信息域的值为1,则所述终端接收SIB6或SIB7或SIB8。
实施中,在网络侧还可以进一步包括:
使用P-RNTI对所述DCI的CRC进行加扰;或者,
使用非P-RNTI的RNTI对所述DCI的CRC进行加扰。
具体实施中,在使用P-RNTI对所述DCI的CRC进行加扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,若所述第一信息域中比特位置的比特值为1,则寻呼检测参数为与该比特位置对应的寻呼检测参数的终端检测与所述DCI关联的PO;或者,
在使用非P-RNTI的RNTI对所述DCI的CRC进行加扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,若所述第一信息域中比特位置的比特值为1,则寻呼检测参数为与该比特位置对应的寻呼检测参数的终端接收所述DCI调度的寻呼消息。
具体的,由P-RNTI加扰的DCI,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射。如果所述第一信息域中某个位置的比特的值为1,则等于与该比特位置对应的寻呼检测参数的值的终端接收寻呼消息。
由非P-RNTI的RNTI加扰的DCI,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射。如果所述第一信息域中某个位置的比特的值为1,则等于与该比特位置对应的寻呼检测参数的值的终端检测与所述DCI关联的PO。
相应的,在终端侧则可以进一步包括:
使用P-RNTI对所述DCI的CRC进行解扰;或者,
使用非P-RNTI的RNTI对所述DCI的CRC进行解扰。
具体实施中,在使用P-RNTI对所述DCI的CRC进行解扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,如果终端的寻呼检测参数对应的第一信息域的比特值为1,则终端检测与所述DCI关联的PO;或者,
在使用非P-RNTI的RNTI对所述DCI的CRC进行解扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,如果终端的寻呼检测参数对应的第一信息域的比特值为1,则终端接收所述DCI调度的寻呼消息。
具体的,终端接收由非P-RNTI的RNTI加扰的所述DCI,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射。如果第一信息域中与所述终端的寻呼检测参数的值对应的比特的值为1,则所述终端检测与所述DCI关联的PO,否则所述终端不检测与所述DCI关联的PO。
终端接收由P-RNTI加扰的所述DCI,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射。如果第一信息域中与所述终端 的寻呼检测参数的值对应的比特的值为1,则所述终端接收寻呼消息,否则所述终端不接收寻呼消息。
下面以实例进行说明。
实施例1:
1、由非P-RNTI的RNTI加扰的DCI。
由非P-RNTI的RNTI(例如节能RNTI(power saving RNTI,PS-RNTI))加扰CRC的DCI携带L bits的第一信息域,利用bitmap指示需要检测与所述DCI关联的PO的终端的寻呼检测参数。
例如寻呼检测参数=floor(UE_ID/N*Ns)mod L,其中N是UE的一个DRX周期内包括的PF的数量,Ns是一个PF内包括的PO的数量,UE_ID等于5G-S-TMSI mod 1024。
可以与DCI关联的PO是时分复用的,终端先检测该DCI,根据第一信息域来判断是否需要检测在其之后与其关联的PO。
例如L=6,DCI中的6bits从高位到低位分别与寻呼检测参数的值(0,1,2,3,4,5)相对应,如果某个位置的比特值为1,则等于与该比特位置对应的寻呼检测参数的值的终端需要检测与所述DCI关联的PO。
例如,DCI中的6bits为010000,则寻呼检测参数为1的终端需要检测与所述DCI关联的PO,寻呼检测参数计算为其他数值的终端则不需要检测与所述DCI关联的PO。
在传统的寻呼设计中,如果在一个PO内有一个UE需要接收寻呼消息,则所有的UE都需要在该PO上检测P-RNTI加扰的PDCCH。通过引入这种寻呼指示方式,可以将一个PO内的终端划分成N组,通过第一信息域的bitmap指示哪些UE需要检测与该DCI关联的PO。这样就可以避免一个PO内的所有UE都需要检测PO,只让真正需要接收寻呼的UE才去检测PO,避免了其他UE无效的检测PO和该PO调度的PDSCH的能耗。
由非P-RNTI的RNTI(例如PS-RNTI)加扰CRC的DCI携带1比特的第一信息域和1比特的第二信息域。
如果第一信息域的比特值为1,则所有检测到该DCI的终端都进行系统消息更新的流程。如果第二信息域的比特值为1,则所述终端接收SIB6或SIB7 或SIB8来进行ETWS信息和/或CMAS信息的接收。
由于系统消息更新和ETWS、CMAS信息都是针对所有终端进行通知的。在传统的寻呼设计中,在P-RNTI加扰的DCI中会指示终端是否有系统消息更新,或者是否有ETWS、CMAS信息可接收。
在引入新的RNTI加扰的DCI之后,终端需要先检测新的DCI,再判断是否检测与其关联的P-RNTI加扰的DCI。如果在系统消息更新,或者ETWS、CMAS信息通知的场景下,终端可以直接从新的DCI中获取通知消息,而不需要再去检测P-RNTI加扰的DCI。这样可以避免终端两次检测DCI而获得同样的通知消息,避免无用的PDCCH的检测能耗。
2、由P-RNTI加扰的DCI。
终端接收由P-RNTI加扰的所述DCI,DCI携带第一信息域。
第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射。
如果第一信息域中与所述终端的寻呼检测参数的值对应的比特的值为1,则所述终端接收由所述DCI调度的寻呼消息,否则所述终端不检测与所述DCI调度的寻呼消息。
实施例2:
由P-RNTI加扰CRC的DCI携带L bits的第一信息域,利用bitmap指示需要接收寻呼消息的终端的寻呼检测参数。
比如寻呼检测参数=floor(UE_ID/N*Ns)mod L,其中N是UE的一个DRX周期内包括的PF的数量,Ns是一个PF内包括的PO的数量,UE_ID等于5G-S-TMSI mod 1024。
例如L=6,DCI中的6bits从高位到低位分别与寻呼检测参数(0,1,2,3,4,5)相对应,如果某个位置的bit值为1,则相对应的具有寻呼检测参数的值的终端需要检测由该DCI调度的PDSCH中的寻呼消息。
例如,DCI中的6bits为010000,则寻呼检测参数为1的终端需要检测由该DCI调度的寻呼消息,寻呼检测参数计算为其他数值的终端则不需要检测由该DCI调度的寻呼消息。
在传统的寻呼设计中,如果在一个PO内有一个UE需要接收寻呼消息, 则所有的UE都需要在该PO上检测P-RNTI加扰的PDCCH以及其调度的PDSCH。通过引入这种寻呼指示方式,可以将一个PO内的终端划分成N组,通过第一信息域的bitmap指示哪些UE需要检测该DCI调度的PDSCH中携带的寻呼消息。这样就可以避免所有UE都需要检测PDSCH中携带的寻呼消息,只让真正需要接收寻呼的UE才去接收PDSCH中寻呼消息,避免了其他UE无效的检测PDSCH的能耗。
基于同一发明构思,本公开实施例中还提供了一种基站、终端、及通信设备、计算机可读存储介质,由于这些设备解决问题的原理与寻呼检测指示方法、寻呼检测方法相似,因此这些设备的实施可以参见方法的实施,重复之处不再赘述。
在实施本公开实施例提供的技术方案时,可以按如下方式实施。
图3为基站结构示意图,如图所示,包括:
处理器300,用于读取存储器320中的程序,执行下列过程:
确定需检测PO或接收寻呼消息的终端;
收发机310,用于在处理器300的控制下接收和发送数据,执行下列过程:
向终端发送携带第一信息域的DCI,并通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息;
其中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
实施中,所述终端标识为5G-S-TMSI,或5G-S-TMSI除以1024的余数,或0。
实施中,所述寻呼检测参数等于floor[UE_ID/(N*Ns)]mod L,其中,UE_ID是所述终端标识,L是所述第一信息域的长度,N是DRX周期内的PF的数量,Ns是寻呼帧内PO的数量。
实施中,所述通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息,是 在所述第一信息域利用bitmap指示至少一个需要检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息的终端的寻呼检测参数。
实施中,进一步包括:
在DCI携带用于指示终端进行系统消息更新的第二信息域;和/或,
在DCI携带用于指示终端获取ETWS信息和/或CMAS信息的第三信息域。
实施中,进一步包括:
使用P-RNTI对所述DCI的CRC进行加扰;或者,
使用非P-RNTI的RNTI对所述DCI的CRC进行加扰;
其中,在使用P-RNTI对所述DCI的CRC进行加扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,若所述第一信息域中比特位置的比特值为1,则寻呼检测参数为与该比特位置对应的寻呼检测参数的终端检测与所述DCI关联的PO;
在使用非P-RNTI的RNTI对所述DCI的CRC进行加扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,若所述第一信息域中比特位置的比特值为1,则寻呼检测参数为与该比特位置对应的寻呼检测参数的终端接收所述DCI调度的寻呼消息。
其中,在图3中,总线架构可以包括任意数量的互联的总线和桥,具体由处理器300代表的一个或多个处理器和存储器320代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起,这些都是本领域所公知的,因此,本文不再对其进行进一步描述。总线接口提供接口。收发机310可以是多个元件,即包括发送机和接收机,提供用于在传输介质上与各种其他装置通信的单元。处理器300负责管理总线架构和通常的处理,存储器320可以存储处理器300在执行操作时所使用的数据。
本公开实施例中提供了一种基站,其中,包括:
确定模块,用于确定需检测PO或接收寻呼消息的终端;
发送模块,用于向终端发送携带第一信息域的DCI,并通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的 PO或接收所述DCI调度的寻呼消息;
其中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
实施中,所述终端标识为5G-S-TMSI,或5G-S-TMSI除以1024的余数,或0。
实施中,所述寻呼检测参数等于floor[UE_ID/(N*Ns)]mod L,其中,UE_ID是所述终端标识,L是所述第一信息域的长度,N是DRX周期内的PF的数量,Ns是寻呼帧内PO的数量。
实施中,发送模块进一步用于在所述通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息时,在所述第一信息域利用bitmap指示至少一个需要检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息的终端的寻呼检测参数。
实施中,发送模块进一步用于:
在DCI携带用于指示终端进行系统消息更新的第二信息域;和/或,
在DCI携带用于指示终端获取ETWS信息和/或CMAS信息的第三信息域。
实施中,发送模块进一步用于:
使用P-RNTI对所述DCI的CRC进行加扰;或者,
使用非P-RNTI的RNTI对所述DCI的CRC进行加扰;
其中,在使用P-RNTI对所述DCI的CRC进行加扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,若所述第一信息域中比特位置的比特值为1,则寻呼检测参数为与该比特位置对应的寻呼检测参数的终端检测与所述DCI关联的PO;
在使用非P-RNTI的RNTI对所述DCI的CRC进行加扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,若所述第一信息域中比特位置的比特值为1,则寻呼检测参数为与该比特位置对应的寻呼检测参数的终端接收所述DCI调度的寻呼消息。
为了描述的方便,以上所述装置的各部分以功能分为各种模块或单元分别描述。当然,在实施本公开时可以把各模块或单元的功能在同一个或多个软件或硬件中实现。
图4为终端结构示意图,如图所示,包括:
收发机410,用于在处理器400的控制下接收和发送数据,执行下列过程:
接收携带第一信息域的DCI;
处理器400,用于读取存储器420中的程序,执行下列过程:
根据与寻呼检测参数的对应的所述第一信息域的值确定是否检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息;
其中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
实施中,所述终端标识为5G-S-TMSI,或5G-S-TMSI除以1024的余数,或0。
实施中,所述寻呼检测参数等于floor[UE_ID/(N*Ns)]mod L,其中,UE_ID是所述终端标识,L是所述第一信息域的长度,N是DRX周期内的PF的数量,Ns是寻呼帧内PO的数量。
实施中,根据与寻呼检测参数的对应的所述第一信息域的值确定是否检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息,是根据所述第一信息域中的bitmap确定终端在具有哪些寻呼检测参数时需要检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息。
实施中,进一步包括:
在DCI携带用于指示终端进行系统消息更新的第二信息域时,根据指示获取系统消息;和/或,
在DCI携带用于指示终端获取ETWS信息和/或CMAS信息的第三信息域时,根据指示接收SIB6或SIB7或SIB8以进行ETWS信息和/或CMAS信息的接收。
实施中,进一步包括:
使用P-RNTI对所述DCI的CRC进行解扰;或者,
使用非P-RNTI的RNTI对所述DCI的CRC进行解扰;
其中,在使用P-RNTI对所述DCI的CRC进行解扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,如果终端的寻呼检测参数对应的第一信息域的比特值为1,则终端检测与所述DCI关联的PO;或者,
在使用非P-RNTI的RNTI对所述DCI的CRC进行解扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,如果终端的寻呼检测参数对应的第一信息域的比特值为1,则终端接收所述DCI调度的寻呼消息。
其中,在图4中,总线架构可以包括任意数量的互联的总线和桥,具体由处理器400代表的一个或多个处理器和存储器420代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起,这些都是本领域所公知的,因此,本文不再对其进行进一步描述。总线接口提供接口。收发机410可以是多个元件,即包括发送机和接收机,提供用于在传输介质上与各种其他装置通信的单元。针对不同的用户设备,用户接口430还可以是能够外接内接需要设备的接口,连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器400负责管理总线架构和通常的处理,存储器420可以存储处理器400在执行操作时所使用的数据。
本公开实施例中提供了一种终端,其中,包括:
接收模块,用于接收携带第一信息域的DCI;
执行模块,用于根据与寻呼检测参数的对应的所述第一信息域的值确定是否检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息;
其中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
实施中,所述终端标识为5G-S-TMSI,或5G-S-TMSI除以1024的余数,或0。
实施中,所述寻呼检测参数等于floor[UE_ID/(N*Ns)]mod L,其中,UE_ID是所述终端标识,L是所述第一信息域的长度,N是DRX周期内的PF的数量,Ns是寻呼帧内PO的数量。
实施中,执行模块进一步用于在根据与寻呼检测参数的对应的所述第一信息域的值确定是否检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息时,根据所述第一信息域中的bitmap确定终端在具有哪些寻呼检测参数时需要检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息。
实施中,执行模块进一步用于:
在DCI携带用于指示终端进行系统消息更新的第二信息域时,根据指示获取系统消息;和/或,
在DCI携带用于指示终端获取ETWS信息和/或CMAS信息的第三信息域时,根据指示接收SIB6或SIB7或SIB8以进行ETWS信息和/或CMAS信息的接收。
实施中,执行模块进一步用于:
使用P-RNTI对所述DCI的CRC进行解扰;或者,
使用非P-RNTI的RNTI对所述DCI的CRC进行解扰;
其中,在使用P-RNTI对所述DCI的CRC进行解扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,如果终端的寻呼检测参数对应的第一信息域的比特值为1,则终端检测与所述DCI关联的PO;或者,
在使用非P-RNTI的RNTI对所述DCI的CRC进行解扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,如果终端的寻呼检测参数对应的第一信息域的比特值为1,则终端接收所述DCI调度的寻呼消息。
为了描述的方便,以上所述装置的各部分以功能分为各种模块或单元分别描述。当然,在实施本公开时可以把各模块或单元的功能在同一个或多个软件或硬件中实现。
本公开实施例中提供了一种通信设备,包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,其中,所述处理器执行所述计算 机程序时实现上述寻呼检测指示方法和/或寻呼检测方法。
具体可以参见前述寻呼检测指示方法的具体实施方式,或寻呼检测方法的具体实施方式。
本公开实施例中提供了一种计算机可读存储介质,其中,所述计算机可读存储介质存储有执行上述寻呼检测指示方法和/或寻呼检测方法的计算机程序。
具体可以参见前述寻呼检测指示方法的具体实施方式,或寻呼检测方法的具体实施方式。
综上所述,本公开实施例提供的技术方案中,网络侧发送一个DCI,DCI携带第一信息域用于指示需要检测与所述DCI关联的PO或接收寻呼消息的终端的寻呼检测参数。
寻呼检测参数由至少以下一种参数确定:终端标识,DRX周期内的寻呼帧(PF)的数量,寻呼帧内寻呼机会(PO)的数量,所述第一信息域的长度。
进一步的,还可以在非P-RNTI加扰CRC的DCI中携带系统消息更新和/或PWS通知的指示信息。
方案中,利用DCI指示一个PO中的哪些终端需要检测PO或者接收寻呼消息。
进一步的,通过所述公式可以将一个PO内的终端均匀的分布在不同的寻呼检测参数上,完全利用第一信息域的长度,降低误唤醒概率。
综上,本公开实施例提供的技术方案用以实现指示一个PO内的部分终端需要检测PO或者接收寻呼消息,实现终端在RRC_IDLE态和RRC_INACTIVE态的节能,避免不必要的寻呼PDSCH的检测。进一步的,还在指示的同时考虑到了如何将一个PO内的终端均匀的进行分组,来进行唤醒的指示。
本领域内的技术人员应明白,本公开的实施例可提供为方法、系统、或计算机程序产品。因此,本公开可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且,本公开可采用在一个或多个 其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器和光学存储器等)上实施的计算机程序产品的形式。
本公开是参照根据本公开实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上,使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
显然,本领域的技术人员可以对本公开进行各种改动和变型而不脱离本公开的精神和范围。这样,倘若本公开的这些修改和变型属于本公开权利要求及其等同技术的范围之内,则本公开也意图包含这些改动和变型在内。

Claims (18)

  1. 一种寻呼检测指示方法,包括:
    确定需检测寻呼机会PO或接收寻呼消息的终端;
    向终端发送携带第一信息域的下行控制信息DCI,并通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息;
    其中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
    终端标识、非连续接收DRX周期内的寻呼帧PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
  2. 如权利要求1所述的方法,其中,所述终端标识为5G临时移动用户标识5G-S-TMSI,或5G-S-TMSI除以1024的余数,或0。
  3. 如权利要求1所述的方法,其中,所述寻呼检测参数等于floor[UE_ID/(N*Ns)]mod L,其中,UE_ID是所述终端标识,L是所述第一信息域的长度,N是DRX周期内的PF的数量,Ns是寻呼帧内PO的数量。
  4. 如权利要求1所述的方法,其中,所述通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息,是在所述第一信息域利用比特映射bitmap指示至少一个需要检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息的终端的寻呼检测参数。
  5. 如权利要求1所述的方法,进一步包括:
    在DCI携带用于指示终端进行系统消息更新的第二信息域;和/或,
    在DCI携带用于指示终端获取地震和海啸预警系统ETWS信息和/或商用移动报警系统CMAS信息的第三信息域。
  6. 如权利要求1至5任一所述的方法,进一步包括:
    使用寻呼-无线网络临时标识P-RNTI对所述DCI的循环冗余校验CRC进行加扰;或者,
    使用非P-RNTI的无线网络临时标识RNTI对所述DCI的CRC进行加扰;
    其中,在使用P-RNTI对所述DCI的CRC进行加扰时,所述第一信息域 的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,若所述第一信息域中比特位置的比特值为1,则寻呼检测参数为与该比特位置对应的寻呼检测参数的终端检测与所述DCI关联的PO;
    在使用非P-RNTI的RNTI对所述DCI的CRC进行加扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,若所述第一信息域中比特位置的比特值为1,则寻呼检测参数为与该比特位置对应的寻呼检测参数的终端接收所述DCI调度的寻呼消息。
  7. 一种寻呼检测方法,包括:
    接收携带第一信息域的DCI;
    根据与寻呼检测参数的对应的所述第一信息域的值确定是否检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息;
    其中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
    终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
  8. 如权利要求7所述的方法,其中,所述终端标识为5G-S-TMSI,或5G-S-TMSI除以1024的余数,或0。
  9. 如权利要求7所述的方法,其中,所述寻呼检测参数等于floor[UE_ID/(N*Ns)]mod L,其中,UE_ID是所述终端标识,L是所述第一信息域的长度,N是DRX周期内的PF的数量,Ns是寻呼帧内PO的数量。
  10. 如权利要求7所述的方法,其中,根据与寻呼检测参数的对应的所述第一信息域的值确定是否检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息,是根据所述第一信息域中的bitmap确定终端在具有哪些寻呼检测参数时需要检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息。
  11. 如权利要求7所述的方法,进一步包括:
    在DCI携带用于指示终端进行系统消息更新的第二信息域时,根据指示获取系统消息;和/或,
    在DCI携带用于指示终端获取ETWS信息和/或CMAS信息的第三信息域时,根据指示接收SIB6或SIB7或SIB8以进行ETWS信息和/或CMAS信息的接收。
  12. 如权利要求7至11任一所述的方法,进一步包括:
    使用P-RNTI对所述DCI的CRC进行解扰;或者,
    使用非P-RNTI的RNTI对所述DCI的CRC进行解扰;
    其中,在使用P-RNTI对所述DCI的CRC进行解扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,如果终端的寻呼检测参数对应的第一信息域的比特值为1,则终端检测与所述DCI关联的PO;或者,
    在使用非P-RNTI的RNTI对所述DCI的CRC进行解扰时,所述第一信息域的比特从高位到低位与所述寻呼检测参数的值从0到L-1映射,如果终端的寻呼检测参数对应的第一信息域的比特值为1,则终端接收所述DCI调度的寻呼消息。
  13. 一种基站,包括:
    处理器,用于读取存储器中的程序,执行下列过程:
    确定需检测PO或接收寻呼消息的终端;
    收发机,用于在处理器的控制下接收和发送数据,执行下列过程:
    向终端发送携带第一信息域的DCI,并通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息;
    其中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
    终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
  14. 一种基站,包括:
    确定模块,用于确定需检测PO或接收寻呼消息的终端;
    发送模块,用于向终端发送携带第一信息域的DCI,并通过所述第一信息域的值与终端的寻呼检测参数的对应关系指示终端检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息;
    其中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
    终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
  15. 一种终端,包括:
    收发机,用于在处理器的控制下接收和发送数据,执行下列过程:
    接收携带第一信息域的DCI;
    处理器,用于读取存储器中的程序,执行下列过程:
    根据与寻呼检测参数的对应的所述第一信息域的值确定是否检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息;
    其中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
    终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
  16. 一种终端,包括:
    接收模块,用于接收携带第一信息域的DCI;
    执行模块,用于根据与寻呼检测参数的对应的所述第一信息域的值确定是否检测与所述DCI关联的PO或接收所述DCI调度的寻呼消息;
    其中,所述寻呼检测参数是根据以下参数之一或者其组合确定的:
    终端标识、DRX周期内的PF的数量、寻呼帧内PO的数量、所述第一信息域的长度。
  17. 一种通信设备,包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,其中,所述处理器执行所述计算机程序时实现权利要求1至12任一所述方法。
  18. 一种计算机可读存储介质,其上存储有执行权利要求1至12任一所述方法的计算机程序。
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