WO2016180105A1 - Procédé et appareil pour réduire un retard de transmission d'un message de radiomessagerie - Google Patents

Procédé et appareil pour réduire un retard de transmission d'un message de radiomessagerie Download PDF

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Publication number
WO2016180105A1
WO2016180105A1 PCT/CN2016/078582 CN2016078582W WO2016180105A1 WO 2016180105 A1 WO2016180105 A1 WO 2016180105A1 CN 2016078582 W CN2016078582 W CN 2016078582W WO 2016180105 A1 WO2016180105 A1 WO 2016180105A1
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Prior art keywords
paging
radio frame
location information
determining
locations
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PCT/CN2016/078582
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English (en)
Chinese (zh)
Inventor
王绍江
戴谦
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中兴通讯股份有限公司
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Publication of WO2016180105A1 publication Critical patent/WO2016180105A1/fr

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

Definitions

  • the present application relates to, but is not limited to, wireless communication technologies, and in particular, to a method and apparatus for reducing paging message transmission delay.
  • the discontinuous reception (DRX) of the UE (User Equipment) in the LTE (Long Term Evolution) system is transmitted through the PDSCH (Physical Downlink Shared Channel).
  • the UE activates a PDCCH (Physical Downlink Control Channel) and a PDSCH (Physical Downlink Shared Channel) at a PO (Paging Occasion) of a designated PF (Paging Frame).
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • PO Physical Downlink Shared Channel
  • PF Physical Downlink Shared Channel
  • Monitoring of the physical downlink shared channel For a UE, there will be one PO in each PF, and the interval between every two POs is one DRX cycle, that is, the paging cycle.
  • the DRX cycle of Paging is the smallest. For 32 radio frames, it is the main factor that causes the paging delay to be too long.
  • the embodiment of the invention provides a method and a device for reducing the paging message transmission delay, which can effectively reduce the paging delay by increasing the chance of the UE receiving the paging message.
  • An embodiment of the present invention provides a method for reducing a paging message transmission delay, including:
  • determining a paging location corresponding to the paging radio frame includes:
  • the paging location is determined based on paging location information corresponding to the paging radio frame.
  • determining paging location information corresponding to the paging radio frame includes:
  • ID identity
  • UE user terminal
  • determining paging location information corresponding to the paging radio frame includes:
  • All the UEs corresponding to one paging radio frame are uniformly mapped to different paging location information according to the identifier ID number of the UE, and the paging location information of the UE in the paging radio frame is determined;
  • the number of the paging location information values is the same as the number of subframes used for paging in one paging radio frame.
  • determining paging location information corresponding to the paging radio frame includes:
  • i_s is the paging location information of the paging radio frame
  • UE_ID is the ID number of the UE
  • UE_ID IMSI mod 1024
  • IMSI is the international mobile subscriber identity
  • N is the radio for paging in a paging radio frame period. The number of frames, Ns is the number of subframes used for paging in a paging radio frame, mod is the remainder, and floor is rounded down.
  • the number of subframes Ns for paging in a paging radio frame is determined by:
  • nB is the cell broadcast by the system, and the value ranges from ⁇ 10T, 4T, 2T, T, T/2, T/4, T/8, T/16, T/32 ⁇ , and T is the listening paging message.
  • the period of the paging radio frame, max means taking the maximum value;
  • Ns Min(max(1,nB/T), N_dlsf),
  • N_dlsf is the number of downlink subframes in one radio frame
  • Min represents the minimum value
  • determining, according to the paging location information corresponding to the paging radio frame, the paging location includes:
  • the paging location information is mapped to Npo downlink subframes for paging in the paging radio frame.
  • the number Npo of the downlink subframes used for paging is a fixed configuration or a network configuration: the value of the Npo is greater than or equal to 1, and is less than or equal to a paging radio frame for paging.
  • the method before the determining a plurality of paging locations corresponding to the paging radio frame, the method further includes:
  • determining whether the UE supports configuring multiple paging locations in one paging radio frame includes:
  • Querying the UE attach procedure or the tracking area update procedure determines whether the UE supports configuring multiple paging locations in one paging radio frame.
  • determining whether the network side device supports configuring multiple paging locations in one paging radio frame includes:
  • Whether the network side device supports configuring a plurality of paging locations in one paging radio frame is determined by whether the system information broadcast (SIB) message includes information of a plurality of paging locations.
  • SIB system information broadcast
  • the method before the determining a plurality of paging locations corresponding to the paging radio frame, the method further includes:
  • the indication information carries configuration information of configuring a plurality of paging locations in a paging radio frame, and is used to indicate that the UE uses a paging radio frame correspondingly
  • the paging location monitors the paging radio frame sent by the network side device.
  • the method before the determining a plurality of paging locations corresponding to the paging radio frame, the method further includes:
  • the type of the UE is a preset type, determining whether the UE supports configuring multiple paging locations in one paging radio frame, where the preset type includes an ultra-real time terminal or a terminal that initiates an ultra-real time service .
  • An embodiment of the present invention further provides a method for reducing a paging message transmission delay, including:
  • determining the paging location information corresponding to the paging radio frame includes: determining paging location information corresponding to the paging radio frame; determining the paging location according to paging location information corresponding to the paging radio frame. .
  • determining paging location information corresponding to the paging radio frame includes:
  • Determining the paging radio based on the identity (ID) number of the UE, the number of radio frames used for paging in a paging radio frame period, and the number of subframes used for paging in a paging radio frame. Corresponding paging location information in the frame.
  • determining paging location information corresponding to the paging radio frame includes:
  • All the UEs corresponding to one paging radio frame are uniformly mapped to different paging location information according to the identifier ID number of the UE, and the paging location information of the UE in the paging radio frame is determined;
  • the number of the paging location information values is the same as the number of subframes used for paging in one paging radio frame.
  • determining paging location information corresponding to the paging radio frame includes:
  • the paging location information of the paging radio frame is determined according to the following formula:
  • i_s is the paging location information of the paging radio frame
  • UE_ID is the ID number of the UE
  • UE_ID IMSI mod 1024
  • IMSI is the international mobile subscriber identity
  • N is the radio for paging in a paging radio frame period.
  • the number of frames, Ns is the number of subframes used for paging in a paging radio frame, mod Indicates the remainder, and the floor indicates rounding down.
  • the number of subframes Ns for paging in a paging radio frame is determined by:
  • nB is the cell broadcast by the system, and the value ranges from ⁇ 10T, 4T, 2T, T, T/2, T/4, T/8, T/16, T/32 ⁇ , and T is the listening paging message.
  • the period of the paging radio frame, max means taking the maximum value;
  • Ns Min(max(1,nB/T), N_dlsf),
  • N_dlsf is the number of downlink subframes in one radio frame
  • Min represents the minimum value
  • determining, according to the paging location information corresponding to the paging radio frame, the paging location includes:
  • the paging location information is mapped to Npo downlink subframes for paging in the paging radio frame.
  • the number Npo of the downlink subframes used for paging is a fixed configuration or a network configuration: the value of the Npo is greater than or equal to 1, and is less than or equal to a paging radio frame for paging.
  • the method before the determining a plurality of paging locations corresponding to the paging radio frame, the method further includes:
  • determining whether the UE supports configuring multiple paging locations in one paging radio frame includes:
  • Querying the UE attach procedure or the tracking area update procedure determines whether the UE supports configuring multiple paging locations in one paging radio frame.
  • determining whether the network side device supports configuring multiple paging locations in one paging radio frame includes:
  • Whether the network side device supports configuring a plurality of paging locations in one paging radio frame is determined by whether the system information broadcast (SIB) message includes information of a plurality of paging locations.
  • SIB system information broadcast
  • An embodiment of the present invention further provides an apparatus for reducing a paging message transmission delay, including:
  • a first determining module configured to: determine a plurality of paging locations corresponding to the paging radio frame
  • the monitoring module is configured to: monitor, by using a plurality of paging locations corresponding to the paging radio frame, a paging message sent by the network side device.
  • the first determining module is configured to:
  • the paging location is determined based on paging location information corresponding to the paging radio frame.
  • the first determining module determines paging location information corresponding to the paging radio frame by:
  • ID identity
  • UE user terminal
  • the first determining module determines paging location information corresponding to the paging radio frame by:
  • All the UEs corresponding to one paging radio frame are uniformly mapped to different paging location information according to the identifier ID number of the UE, and the paging location information of the UE in the paging radio frame is determined;
  • the number of the paging location information values is the same as the number of subframes used for paging in one paging radio frame.
  • the first determining module determines paging location information corresponding to the paging radio frame by:
  • i_s is the paging location information of the paging radio frame
  • UE_ID is the ID number of the UE
  • UE_ID IMSI mod 1024
  • IMSI is the international mobile subscriber identity
  • N is the radio for paging in a paging radio frame period.
  • the number of frames, Ns is the number of subframes used for paging in a paging radio frame, mod Indicates the remainder, and the floor indicates rounding down.
  • the first determining module determines the number Ns of subframes used for paging in a paging radio frame by:
  • nB is the cell broadcast by the system, and the value ranges from ⁇ 10T, 4T, 2T, T, T/2, T/4, T/8, T/16, T/32 ⁇ , and T is the listening paging message.
  • the period of the paging radio frame, max means taking the maximum value;
  • Ns Min(max(1,nB/T), N_dlsf),
  • N_dlsf is the number of downlink subframes in one radio frame
  • Min represents the minimum value
  • the first determining module determines the paging location according to paging location information corresponding to the paging radio frame by:
  • the paging location information is mapped to Npo downlink subframes for paging in the paging radio frame.
  • the number Npo of the downlink subframes used for paging is a fixed configuration or a network configuration: the value of the Npo is greater than or equal to 1, and is less than or equal to a paging radio frame for paging.
  • the device further includes:
  • the first capability module is configured to: determine whether the UE and/or the network side device supports configuring a plurality of paging locations in one paging radio frame.
  • the first capability module determines whether the UE supports configuring multiple paging locations in one paging radio frame by:
  • Querying the UE attach procedure or the tracking area update procedure determines whether the UE supports configuring multiple paging locations in one paging radio frame.
  • the first capability module determines whether the network side device supports configuring multiple paging locations in one paging radio frame by:
  • Whether the network side device supports configuring a plurality of paging locations in one paging radio frame is determined by whether the system information broadcast (SIB) message includes information of a plurality of paging locations.
  • SIB system information broadcast
  • the device further includes:
  • the receiving module is configured to: receive indication information in an attach process or a tracking area update process, where the indication information carries configuration information of configuring a plurality of paging positions in a paging radio frame, and is used to indicate that the UE utilizes a seek The plurality of paging locations corresponding to the radio frame intercept the paging radio frame sent by the network side device.
  • the device further includes:
  • a type detection module configured to: determine, when the type of the UE is a preset type, whether the UE supports configuring multiple paging locations in one paging radio frame, where the preset type includes an ultra-real time terminal Or a terminal that initiates an ultra-real time service.
  • An embodiment of the present invention further provides an apparatus for reducing a paging message transmission delay, including:
  • a second determining module configured to: determine a plurality of paging locations corresponding to the paging radio frame
  • the sending module is configured to: send a paging message to the user terminal (UE) by using multiple paging locations corresponding to the paging radio frame.
  • the second determining module is configured to:
  • the paging location is determined based on paging location information corresponding to the paging radio frame.
  • the second determining module determines paging location information corresponding to the paging radio frame by:
  • Determining the paging radio frame according to the identity ID number of the UE, the number of radio frames used for paging in a paging radio frame period, and the number of subframes used for paging in a paging radio frame. Corresponding paging location information.
  • the second determining module determines paging location information corresponding to the paging radio frame by:
  • All the UEs corresponding to one paging radio frame are uniformly mapped to different paging location information according to the identifier ID number of the UE, and the paging location information of the UE in the paging radio frame is determined;
  • the number of the paging location information values is the same as the number of subframes used for paging in one paging radio frame.
  • the second determining module determines paging location information corresponding to the paging radio frame by:
  • the paging location information of the paging radio frame is determined according to the following formula:
  • i_s is the paging location information of the paging radio frame
  • UE_ID is the ID number of the UE
  • UE_ID IMSI mod 1024
  • IMSI is the international mobile subscriber identity
  • N is the radio for paging in a paging radio frame period. The number of frames, Ns is the number of subframes used for paging in a paging radio frame, mod is the remainder, and floor is rounded down.
  • the second determining module determines the number Ns of subframes used for paging in a paging radio frame by:
  • nB is the cell broadcast by the system, and the value ranges from ⁇ 10T, 4T, 2T, T, T/2, T/4, T/8, T/16, T/32 ⁇ , and T is the listening paging message.
  • the period of the paging radio frame, max means taking the maximum value;
  • Ns Min(max(1,nB/T), N_dlsf),
  • N_dlsf is the number of downlink subframes in one radio frame
  • Min represents the minimum value
  • the second determining module determines the paging location according to paging location information corresponding to the paging radio frame by:
  • the paging location information is mapped to Npo downlink subframes for paging in the paging radio frame.
  • the number Npo of the downlink subframes used for paging is a fixed configuration or a network configuration: the value of the Npo is greater than or equal to 1, and is less than or equal to a paging radio frame for paging.
  • the device further includes:
  • a second capability module configured to: determine whether the UE and/or network side device supports one Multiple paging locations are configured in the paging radio frame.
  • the second capability module determines whether the UE supports configuring multiple paging locations in one paging radio frame by:
  • Querying the UE attach procedure or the tracking area update procedure determines whether the UE supports configuring multiple paging locations in one paging radio frame.
  • the second capability module determines whether the network side device supports configuring multiple paging locations in one paging radio frame by:
  • Whether the network side device supports configuring a plurality of paging locations in one paging radio frame is determined by whether the system information broadcast (SIB) message includes information of a plurality of paging locations.
  • SIB system information broadcast
  • the embodiment of the present invention further provides a computer readable storage medium storing computer executable instructions, which when implemented, implement a method for reducing a paging message transmission delay applied to a UE.
  • the embodiment of the present invention further provides a computer readable storage medium storing computer executable instructions, which are implemented when the computer executable instructions are executed to implement a method for reducing a paging message transmission delay applied to a network side device.
  • the UE in a PF, may have more POs, that is, there are more paging opportunities, so that the paging delay can be effectively reduced.
  • FIG. 1 is a flowchart of a method for reducing a paging message transmission delay according to an embodiment of the present invention
  • FIG. 2 is another flowchart of a method for reducing a paging message transmission delay according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of an apparatus for reducing a paging message transmission delay according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of another structure of an apparatus for reducing a paging message transmission delay according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a signaling flow according to Embodiment 1 of the present invention.
  • FIG. 6 is a schematic diagram of a signaling process according to Embodiment 2 of the present invention.
  • FIG. 7 is a schematic diagram of a signaling process according to Embodiment 3 of the present invention.
  • FIG. 8 is a schematic diagram of a signaling process according to Embodiment 4 of the present invention.
  • FIG. 9 is a schematic diagram of a signaling process according to Embodiment 5 of the present invention.
  • an embodiment of the present invention provides a method for reducing a paging message transmission delay, which is applied to a user terminal (UE), and includes:
  • Determining each paging location information corresponding to the paging radio frame includes:
  • the paging location is determined based on paging location information corresponding to the paging radio frame.
  • Determining the paging location information corresponding to the paging radio frame includes:
  • Determining the paging radio based on the identity (ID) number of the UE, the number of radio frames used for paging in a paging radio frame period, and the number of subframes used for paging in a paging radio frame. Paging location information of the corresponding UE in the frame.
  • the principle for determining the value of paging location information is:
  • All UEs are evenly distributed according to the ID number of the UE to a radio frame that can be used for paging in a paging radio frame period, according to which the paging radio frame of the UE can be determined;
  • the principle of determining the paging location information of the UE in the paging radio frame is: uniformly mapping all UEs corresponding to one paging radio frame to different homing according to the identifier ID number of the UE. Call location information. It should be noted that the number of paging location information values and one The number of subframes available for paging in a paging radio frame is the same.
  • each paging location information corresponding to the paging radio frame is determined according to the following formula:
  • i_s is the paging location information of the paging radio frame
  • UE_ID is the ID number of the UE
  • UE_ID IMSI mod 1024
  • IMSI is the international mobile subscriber identity
  • N is the radio for paging in a paging radio frame period. The number of frames, Ns is the number of subframes used for paging in a paging radio frame, mod is the remainder, and floor is rounded down.
  • Embodiments of the present invention map i_s to multiple paging locations.
  • the UE is evenly distributed by UE_ID into all paging subframes within one paging radio frame period.
  • the method is to uniformly distribute the UE according to the UE_ID to N radio frames (paging radio frames) that can be used for paging in a paging cycle length range, wherein the following formula is satisfied.
  • SFN System Frame Number
  • PF paging radio frame
  • T is the Paging Cycle of the paging radio frame in which the UE listens to the paging message, in units of radio frames;
  • N is the number of radio frames used for paging within the length of a paging cycle, mod is the remainder, and div is the divisor;
  • the specific paging radio corresponding to the UE is determined.
  • the paging position of the UE in the frame PO-Paging Occasion, that is, the number of the subframe used for paging in the paging radio frame).
  • the paging sub-frame position information of the UE is first obtained according to the following formula:
  • i_s is the location indication information of the downlink subframe used for paging, and the location of the downlink subframe used for paging has a certain correspondence, and the location of the downlink subframe used for paging is subframe numbered.
  • the paging subframe position can be obtained according to the paging subframe position (PO, represented by the subframe number) and the correspondence table of i_s.
  • the paging position (paging subframe) is further determined in a determined paging radio frame, and the determined paging radio frame can be used as the paging location of the floor (UE_ID/N) UEs in principle, and one There may be Ns subframes in the paging radio frame for paging, so it is necessary to further distribute the UE evenly, so the above i_s calculation formula is adopted.
  • the location of the i_s and the downlink subframe used for paging has a certain correspondence, and the location of the downlink subframe used for paging is represented by the subframe number.
  • the number Ns of subframes used for paging in a paging radio frame is determined by:
  • nB is the cell broadcast by the system, and the value ranges from ⁇ 10T, 4T, 2T, T, T/2, T/4, T/8, T/16, T/32 ⁇ , and T is the listening paging message.
  • the period of the paging radio frame, in units of radio frames, max represents the maximum value;
  • Ns Min(max(1,nB/T), N_dlsf),
  • N_dlsf is the number of downlink subframes in a radio frame
  • Min indicates a minimum value
  • N_dlsf 10
  • TDD Time Division Duplexing
  • N_dlsf needs to be determined according to UL/DL (Up Link/Down Link) Configuration (uplink/downlink configuration).
  • UL/DL configurations are the standard content of TDD mode in LTE.
  • Determining the paging location according to the paging location information corresponding to the paging radio frame includes:
  • the paging location information is mapped to Npo downlink subframes for paging in the paging radio frame.
  • the number of downlink subframes for the paging of the UE mapped by the paging location information i_s in a paging radio frame is obtained by means of a fixed configuration or a network configuration.
  • the value of the Npo is greater than or equal to 1, and is less than or equal to the number Ns of subframes used for paging in a paging radio frame.
  • the method further includes: before determining the plurality of paging locations corresponding to the paging radio frame, the method further includes:
  • Whether a UE uses multiple POs in one PF may be determined according to UE capabilities, that is, the UE capability supports multiple POs, and multiple POs may be used when the eNodeB also supports multiple POs.
  • UE capabilities that is, the UE capability supports multiple POs
  • multiple POs may be used when the eNodeB also supports multiple POs.
  • a legacy UE a version of UE prior to Release 3 of Release 3
  • the number of POs can be determined according to the setting of Npo.
  • Querying the UE attach procedure or the tracking area update procedure determines whether the UE supports configuring multiple paging locations in one paging radio frame.
  • Whether the network side device supports configuring a plurality of paging locations in one paging radio frame is determined by whether the system information broadcast (SIB) message includes information of a plurality of paging locations.
  • SIB system information broadcast
  • the method further includes: before determining the plurality of paging locations corresponding to the paging radio frame, the method further includes:
  • Receiving indication information in an attach process or a tracking area update process where the indication information carries configuration information of configuring a plurality of paging positions in a paging radio frame, and is used to indicate that the UE uses a paging radio frame corresponding to The plurality of paging locations monitor the paging radio frame sent by the network side device.
  • the method further includes: before determining the plurality of paging locations corresponding to the paging radio frame, the method further includes:
  • the type of the UE is a preset type, determining whether the UE supports configuring multiple paging locations in one paging radio frame, where the preset type includes an ultra-real time terminal or a terminal that initiates an ultra-real time service .
  • the embodiment of the present invention further provides a method for reducing a paging message transmission delay, which is applied to a network side device, and includes:
  • Determining each paging location information corresponding to the paging radio frame includes:
  • the paging location is determined based on paging location information corresponding to the paging radio frame.
  • Determining the paging location information corresponding to the paging radio frame includes:
  • Determining the paging radio based on the identity (ID) number of the UE, the number of radio frames used for paging in a paging radio frame period, and the number of subframes used for paging in a paging radio frame.
  • ID identity
  • all UEs are evenly distributed according to the ID number of the UE to a radio frame that can be used for paging in a paging radio frame period, and the paging radio frame of the UE can be determined according to this principle;
  • the principle of determining the paging location information of the UE in the paging radio frame is: uniformly mapping all UEs corresponding to one paging radio frame to different homing according to the identifier ID number of the UE. Call location information. It should be noted that the number of paging location information values is the same as the number of subframes available for paging in a paging radio frame.
  • the paging location information of the paging radio frame is determined according to the following formula:
  • i_s is the paging location information of the paging radio frame
  • UE_ID is the ID number of the UE
  • UE_ID IMSI mod 1024
  • IMSI is the international mobile subscriber identity
  • N is the radio for paging in a paging radio frame period. The number of frames, Ns is the number of subframes used for paging in a paging radio frame, mod is the remainder, and floor is rounded down.
  • the number Ns of subframes used for paging in a paging radio frame is determined by:
  • nB is the cell broadcast by the system, and the value ranges from ⁇ 10T, 4T, 2T, T, T/2, T/4, T/8, T/16, T/32 ⁇ , and T is the listening paging message.
  • the period of the paging radio frame, max means taking the maximum value;
  • Ns Min(max(1,nB/T), N_dlsf),
  • N_dlsf is the number of downlink subframes in one radio frame
  • Min represents the minimum value
  • Determining the paging location according to the paging location information corresponding to the paging radio frame includes:
  • the paging location information is mapped to Npo downlink subframes for paging in the paging radio frame.
  • the number of downlink subframes used for paging is a fixed configuration or a network configuration: the value of the Npo is greater than or equal to 1, and is less than or equal to a subframe used for paging in a paging radio frame. Number Ns.
  • the method further includes: before determining the plurality of paging locations corresponding to the paging radio frame, the method further includes:
  • the determining whether the UE supports configuring multiple paging locations in one paging radio frame includes:
  • Querying the UE attach procedure or the tracking area update procedure determines whether the UE supports configuring multiple paging locations in one paging radio frame.
  • the determining whether the network side device supports configuring multiple paging locations in one paging radio frame includes:
  • Whether the network side device supports configuring a plurality of paging locations in one paging radio frame is determined by whether the system information broadcast (SIB) message includes information of a plurality of paging locations.
  • SIB system information broadcast
  • an embodiment of the present invention further provides an apparatus for reducing a paging message transmission delay, which is configured in a user terminal (UE), and includes:
  • a first determining module configured to: determine a plurality of paging locations corresponding to the paging radio frame
  • the monitoring module is configured to: monitor, by using a plurality of paging locations corresponding to the paging radio frame, a paging message sent by the network side device.
  • the first determining module is configured to:
  • the paging location is determined based on paging location information corresponding to the paging radio frame.
  • the first determining module determines paging location information corresponding to the paging radio frame by:
  • Determining the paging radio based on the identity (ID) number of the UE, the number of radio frames used for paging in a paging radio frame period, and the number of subframes used for paging in a paging radio frame. Paging location information of the corresponding UE in the frame.
  • the first determining module determines paging location information corresponding to the paging radio frame by:
  • All the UEs corresponding to one paging radio frame are uniformly mapped to different paging location information according to the identifier ID number of the UE, and the paging location information of the UE in the paging radio frame is determined;
  • the number of the paging location information values is the same as the number of subframes used for paging in one paging radio frame.
  • the first determining module determines paging location information corresponding to the paging radio frame by:
  • i_s is the paging location information of the paging radio frame
  • UE_ID is the ID number of the UE
  • UE_ID IMSI mod 1024
  • IMSI is the international mobile subscriber identity
  • N is the radio for paging in a paging radio frame period. The number of frames, Ns is the number of subframes used for paging in a paging radio frame, mod is the remainder, and floor is rounded down.
  • the first determining module determines the number Ns of subframes used for paging in a paging radio frame by:
  • nB is the cell broadcast by the system, and the value ranges from ⁇ 10T, 4T, 2T, T, T/2, T/4, T/8, T/16, T/32 ⁇ , and T is the listening paging message.
  • the period of the paging radio frame, max means taking the maximum value;
  • Ns Min(max(1,nB/T), N_dlsf),
  • N_dlsf is the number of downlink subframes in one radio frame
  • Min represents the minimum value
  • the first determining module determines the paging location according to paging location information corresponding to the paging radio frame by:
  • the number of downlink subframes used for paging is a fixed configuration or a network configuration: the value of the Npo is greater than or equal to 1, and is less than or equal to a sub-page for paging in a paging radio frame.
  • the device also includes:
  • the first capability module is configured to: determine whether the UE and/or the network side device supports configuring a plurality of paging locations in one paging radio frame.
  • the first capability module determines whether the UE supports configuring multiple paging locations in one paging radio frame by:
  • Querying the UE attach procedure or the tracking area update procedure determines whether the UE supports configuring multiple paging locations in one paging radio frame.
  • the first capability module determines whether the network side device supports configuring multiple paging locations in one paging radio frame by:
  • Whether the network side device supports configuring a plurality of paging locations in one paging radio frame is determined by whether the system information broadcast (SIB) message includes information of a plurality of paging locations.
  • SIB system information broadcast
  • the device also includes:
  • the receiving module is configured to: receive the indication information in the attaching process or the tracking area update process, where the indication information carries configuration information of configuring a plurality of paging positions in a paging radio frame, and is used to indicate that the UE utilizes A paging location corresponding to a paging radio frame intercepts a paging radio frame sent by the network side device.
  • the device also includes:
  • a type detection module configured to: determine, when the type of the UE is a preset type, whether the UE supports configuring multiple paging locations in one paging radio frame, where the preset type includes an ultra-real time terminal Or a terminal that initiates an ultra-real time service.
  • an embodiment of the present invention further provides an apparatus for reducing a paging message transmission delay, including:
  • a second determining module configured to: determine a plurality of paging locations corresponding to the paging radio frame
  • the sending module is configured to: send a paging message to the user terminal (UE) by using multiple paging locations corresponding to the paging radio frame.
  • the second determining module is configured to:
  • the paging location is determined based on paging location information corresponding to the paging radio frame.
  • the second determining module determines paging location information corresponding to the paging radio frame by:
  • Determining the paging radio frame according to the identity ID number of the UE, the number of radio frames used for paging in a paging radio frame period, and the number of subframes used for paging in a paging radio frame. Corresponding paging location information.
  • the second determining module determines paging location information corresponding to the paging radio frame by:
  • All the UEs corresponding to one paging radio frame are uniformly mapped to different paging location information according to the identifier ID number of the UE, and the paging location information of the UE in the paging radio frame is determined;
  • the number of the paging location information values is the same as the number of subframes used for paging in one paging radio frame.
  • the second determining module determines paging location information corresponding to the paging radio frame by:
  • the paging location information of the paging radio frame is determined according to the following formula:
  • i_s is the paging location information of the paging radio frame
  • UE_ID is the ID number of the UE
  • UE_ID IMSI mod 1024
  • IMSI is the international mobile subscriber identity
  • N is the radio for paging in a paging radio frame period. The number of frames, Ns is the number of subframes used for paging in a paging radio frame, mod is the remainder, and floor is rounded down.
  • the second determining module determines a subframe for paging in a paging radio frame by: Number of Ns:
  • nB is the cell broadcast by the system, and the value ranges from ⁇ 10T, 4T, 2T, T, T/2, T/4, T/8, T/16, T/32 ⁇ , and T is the listening paging message.
  • the period of the paging radio frame, max means taking the maximum value;
  • Ns Min(max(1,nB/T), N_dlsf),
  • N_dlsf is the number of downlink subframes in one radio frame
  • Min represents the minimum value
  • the second determining module determines the paging location according to paging location information corresponding to the paging radio frame by:
  • the paging location information is mapped to Npo downlink subframes for paging in the paging radio frame.
  • the number of downlink subframes used for paging is a fixed configuration or a network configuration: the value of the Npo is greater than or equal to 1, and is less than or equal to a sub-page for paging in a paging radio frame.
  • the device also includes:
  • the second capability module is configured to: determine whether the UE and/or the network side device supports configuring a plurality of paging locations in one paging radio frame.
  • the second capability module determines whether the UE supports configuring multiple paging locations in one paging radio frame by:
  • Querying the UE attach procedure or the tracking area update procedure determines whether the UE supports configuring multiple paging locations in one paging radio frame.
  • the second capability module determines whether the network side device supports configuring multiple paging locations in one paging radio frame by:
  • Whether the network side device supports configuring a plurality of paging locations in one paging radio frame is determined by whether the system information broadcast (SIB) message includes information of a plurality of paging locations.
  • SIB system information broadcast
  • the UE by configuring multiple paging locations in a paging radio frame, the UE can have more paging opportunities, thereby reducing the delay.
  • a method for a UE to configure multiple paging locations in a paging radio frame is as follows:
  • Step 1 After determining a paging message for the network transmitting UE and a paging radio frame (PF) for the UE to listen to the paging message, calculate a paging available in the paging radio frame for the network transmitting UE
  • the information and the information i_s, i_s of the paging position at which the UE listens to the paging message are calculated as follows:
  • i_s is the paging location information that can be used for paging of the UE in the paging radio frame, and the location of the downlink subframe that i_s can use for paging has a certain correspondence, and the location of the downlink subframe used for paging is The form of the sub-frame number is embodied.
  • PF paging radio frame
  • Ns max(1, nB/T), where nB is a cell broadcast by the system, and the value range may be ⁇ 4T, 2T, T, T/2, T/4, T/8, T/. 16, T / 32 ⁇ , at this time the maximum value of Ns is 4;
  • Solution 2 Further increasing the value range of the number of subframes Ns available for paging in a paging radio frame (PF), optionally by increasing the value range of the cell nB in the system broadcast.
  • the value range of nB includes values greater than 4T, such as the range of ⁇ 10T, 4T, 2T, T, T/2, T/4, T/8, T/16, T/32 ⁇ .
  • Step 2 After determining the paging message available for the network transmitting UE in the paging radio frame and the information i_s of the paging location of the paging message of the UE, the mapping relationship between the i_s and the paging location PO may be adopted.
  • a paging message available in the paging radio frame for the network to transmit the UE and a paging location PO in which the UE listens to the paging message are determined.
  • a paging location information can be mapped to one or more subframes.
  • Npo the number of POs to which an i_s is mapped
  • Ns the number of subframes that can be used for paging in a radio frame
  • Ns and Npo the mapping relationship between i_s and PO can be obtained.
  • Npo can be configured by the network or fixed to a certain value.
  • the value of Npo may be ⁇ 1, 2, 4 ⁇ , and the mapping relationship between i_s and PO may be selected as :
  • FDD Frequency Division Duplexing
  • Ns is the number of paging subframes in a paging radio frame
  • I_s is the "position indication information of the paging subframe" calculated according to the formula
  • PO Paging Occasion
  • Paging Subframe Position is the "Paging Subframe Position" and is the subframe number in the paging radio frame.
  • TDD Time Division Duplexing
  • the UL/DL configurations are the standard content of the TDD mode in LTE. There may be multiple uplink and downlink configurations. In different uplink and downlink configurations, downlink subframes in one radio frame. The distribution is different. Here, “all" means that this table is suitable for all uplink and downlink configurations, and the query mode is consistent with the FDD system.
  • the mapping relationship between i_s and PO can still adopt a fixed mapping.
  • the number of POs that can be mapped by an i_s can be ⁇ 1, 2, 4, 10 ⁇ .
  • the mapping table of i_s and PO can be selected as shown in the following table.
  • the actual Npo is less than or equal to Ns, that is, for the TDD mode, if the configured Npo is equal to 10, which is greater than the number of downlink subframes that can actually be provided in one radio frame, all downlink subframes are indicated. Both can be used as PO.
  • Whether a UE adopts multiple POs in one PF including but not limited to the following trigger methods:
  • Method 1 The UE capability supports multiple POs and requires the eNodeB to support multiple POs. You can use multiple PO solutions. UE capabilities can be learned during the UE Attach process or Tracking Area Update (TAU) process. The scheme in which the eNodeB supports multiple POs can be learned by whether the SIB message carries multiple PO related information, such as Number of Paging Occasion (Npo).
  • Npo Number of Paging Occasion
  • Method 2 If the eNodeB supports multiple PO schemes, and the UE carries scheme information related to multiple POs through the Attach or TAU process, multiple PO schemes may be used.
  • the information related to the scheme of the multiple POs carried by the UE through the Attach or TAU process is different from the capability indication, and may include, but is not limited to, a UE Specific Number of Paging Occasion (UE Specific Npo), or an indication using a multiple PO scheme.
  • UE Specific Npo UE Specific Number of Paging Occasion
  • the scheme in which the eNodeB supports multiple POs can be learned by whether the SIB message carries multiple PO related information, such as Number of Paging Occasion (Npo).
  • a scheme of determining whether to use multiple POs is determined according to UE capabilities and eNodeB capabilities.
  • FIG. 5 is a schematic diagram of a signaling flow according to the embodiment.
  • Step 501 The capability of the UE to support multiple POs is obtained through a UE capability query (Capability Enquiry) query during a UE attach procedure or a Tracking Area Update (TAU) process;
  • Capability Enquiry Capability Enquiry query
  • TAU Tracking Area Update
  • Step 502 The UE receives a Number of Paging Occasion (Npo) broadcasted in a System Information Block (SIB) and a paging (Paging) information of a legacy UE.
  • Npo Number of Paging Occasion
  • SIB System Information Block
  • Paging paging
  • Step 503 If the network side finds that the capability of the UE does not support multiple POs, or if there is no Number of Paging Occasion (Npo) information in the SIB message received by the UE, the UE and the eNodeB determine the PO by using the legacy UE to determine the PO. . Otherwise, the UE and the eNodeB determine the location (PO) of the Paging message to be monitored according to the following method:
  • the UE can listen to Paging.
  • the Ns, Npo, and i_s may be queried according to the following mapping table to obtain the number (PO, Paging Occasion) of the subframe used for paging in a radio frame:
  • the UE indicates that a multi-PO scheme needs to be used through an Attach or TAU process.
  • Number of Paging Occasion (Npo) is configured in the SIB message.
  • FIG. 6 is a schematic diagram of a signaling flow according to the embodiment.
  • Npo Number of Paging Occasion (Npo) and legacy Paging information (Paging information before 3Gpp release 13) broadcast in System Message Block (SIB).
  • SIB System Message Block
  • Step 601 The UE reports a scheme in which the UE needs to use multiple POs by using an Attach or Tracking Area Update (TAU) process.
  • TAU Tracking Area Update
  • Step 602 After the network side base station (eNodeB) learns that the UE needs to use the multiple PO scheme by using the Attach or TAU procedure in step 601, and simultaneously carries the Number of Paging Occasion (Npo) in the SIB message, the UE and the UE The eNodeB determines the location of the listening paging message according to the following method:
  • the radio frame (PF) that the UE can listen to Paging and the i_s corresponding to the PO are determined.
  • the number of the subframes used for Paging in a radio frame (PO, Paging Occasion) may be obtained by querying the Npo and the calculated N_s in the SIB according to the following mapping table:
  • the UE indicates the UE Specific Number of Paging Occasion (UE) through the Attach or TAU procedure, and the Number of Paging Occasion (Npo) is configured in the SIB message.
  • UE UE Specific Number of Paging Occasion
  • Npo Number of Paging Occasion
  • FIG. 7 is a schematic diagram of a signaling flow according to the embodiment.
  • Npo Number of Paging Occasion (Npo) and legacy Paging information (Paging information before 3Gpp release 13) broadcast in System Message Block (SIB).
  • SIB System Message Block
  • Step 701 The UE reports the UE specific number of Paging Occasion (UE Specific Npo) by using the Attach or Tracking Area Update (TAU) method to indicate that the multiple PO mode is used, and the number of POs to be used is UE Specific. Npo.
  • UE Specific Npo the UE specific number of Paging Occasion
  • TAU Tracking Area Update
  • Step 702 In the case that the network side eNodeB learns that the UE needs to use the multiple PO scheme by using the Attach or TAU procedure in step 701, and also carries the Number of Paging Occasion (Npo) in the SIB message, the UE and the eNodeB are as follows: The method determines the location of the listening Paging message:
  • the radio frame (PF) that the UE can listen to Paging and the i_s corresponding to the PO are determined.
  • Ns, Npo, and calculated i_s can query Ns, Npo, and calculated i_s according to the following mapping table to obtain a wireless The number of the subframe used for paging in the frame (PO, Paging Occasion), where Npo takes Max (UE Specific Npo, Npo broadcast in SIB):
  • the UE indicates the UE Specific Number of Paging Occasion (UE Specific Npo) through the Attach or TAU procedure, and the SIB message indicates that the multi-PO scheme is supported, but the Number of Paging Occasion (Npo) is not configured.
  • UE Specific Npo UE Specific Number of Paging Occasion
  • Npo Number of Paging Occasion
  • FIG. 8 is a schematic diagram of a signaling flow according to the embodiment.
  • SIB System Message
  • Step 801 The UE reports the UE specific number of Paging Occasion (UE Specific Npo) by using the Attach or Tracking Area Update (TAU) method to indicate that the multiple PO mode is used, and the number of POs to be used is UE Specific. Npo.
  • UE Specific Npo the UE specific number of Paging Occasion
  • TAU Tracking Area Update
  • Step 802 After the network side eNodeB learns that the UE needs to use the multi-PO scheme by using the Attach or TAU procedure in step 801, and the SIB message also carries the multi-PO scheme capability indication, the UE and the eNodeB are according to the following method. Determine where to listen for Paging messages:
  • the radio frame (PF) that the UE can listen to Paging and the i_s corresponding to the PO are determined.
  • the number of the subframes for Paging in a radio frame may be obtained by querying the Ns, Npo, and the calculated i_s according to the following mapping table, where the Npo is the UE Specific Npo:
  • the PO of the UE is 0, 4, 5, and 9 subframes.
  • a scheme of determining whether to use multiple POs is determined, and the maximum PO number exceeds 4.
  • FIG. 9 is a schematic diagram of a signaling flow according to the embodiment.
  • Step 901 The UE obtains the capability of the UE to support multiple POs through the UE Capability Enquiry query during the Attach process or the Tracking Area Update (TAU) process.
  • TAU Tracking Area Update
  • Step 902 The UE receives the Number of Paging Occasion (Npo) broadcasted in the System Information Block (SIB), the nB introduced for the multiple PO scheme, and the paging information of the legacy UE.
  • Npo Number of Paging Occasion
  • SIB System Information Block
  • the range of Npo is ⁇ 1, 2, 4, 10 ⁇ , and nB is ⁇ 10T, 4T, 2T, 1T, T/2, T/4, T/8, T/16, T/32. ⁇ .
  • Step 903 If the network side finds that the UE capability does not support the capability of multiple POs, or if the SIB message received by the UE does not have information about multiple PO schemes (including Number of Paging Occasion (Npo), nB), both the UE and the eNodeB The method of determining the PO by the legacy UE determines a PO. Otherwise, the UE and the eNodeB determine the location (PO) of the Paging message to be monitored according to the following method:
  • the radio frame (PF) that the UE can listen to Paging and the i_s corresponding to the PO are determined.
  • nB used in the calculation process is nB related to the multi-PO scheme
  • Ns, Npo, and i_s can be queried according to the following mapping table to obtain the number (PO, Paging Occasion) of the subframe used for Paging in one radio frame:
  • an embodiment of the present invention further provides a computer readable storage medium storing computer executable instructions, which implement a method for reducing a paging message transmission delay applied to a UE when the computer executable instructions are executed.
  • an embodiment of the present invention further provides a computer readable storage medium storing computer executable instructions, and when the computer executable instructions are executed, implementing a method for reducing a paging message transmission delay applied to a network side device.
  • each module/unit in the above embodiment may be implemented in the form of hardware, for example, by an integrated circuit to implement its corresponding function, It can be implemented in the form of a software function module, for example, by a processor executing a program/instruction stored in a memory to implement its corresponding function. This application is not limited to any specific combination of hardware and software.
  • the embodiment of the invention provides a method and a device for reducing the paging message transmission delay.
  • the UE can have more POs, that is, there are more paging opportunities, so that the paging delay can be effectively reduced. .

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

Un procédé pour réduire un retard de transmission d'un message de radiomessagerie comprend : la détermination d'une pluralité de positions de radiomessagerie correspondant à une trame radio de radiomessagerie ; et la surveillance, au moyen de la pluralité de positions de radiomessagerie correspondant à la trame radio de radiomessagerie, de messages de radiomessagerie envoyés par un dispositif sur le côté réseau. Dans un PF, comme un UE peut avoir plus de d'opportunités de radiomessagerie (PO), le retard de radiomessagerie peut être efficacement réduit.
PCT/CN2016/078582 2015-09-17 2016-04-06 Procédé et appareil pour réduire un retard de transmission d'un message de radiomessagerie WO2016180105A1 (fr)

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CN109495964B (zh) * 2017-09-12 2021-09-14 中国移动通信有限公司研究院 寻呼消息发送位置的确定方法、网络设备及用户设备
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CN109803373B (zh) * 2017-11-16 2021-01-22 电信科学技术研究院 一种寻呼机会的位置确定方法及通信设备
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