WO2018068752A1 - 寻呼区域的确定方法和装置 - Google Patents

寻呼区域的确定方法和装置 Download PDF

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Publication number
WO2018068752A1
WO2018068752A1 PCT/CN2017/105994 CN2017105994W WO2018068752A1 WO 2018068752 A1 WO2018068752 A1 WO 2018068752A1 CN 2017105994 W CN2017105994 W CN 2017105994W WO 2018068752 A1 WO2018068752 A1 WO 2018068752A1
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Prior art keywords
user terminal
cell
location update
terminal
network side
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PCT/CN2017/105994
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English (en)
French (fr)
Inventor
贺美芳
黄河
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中兴通讯股份有限公司
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Publication of WO2018068752A1 publication Critical patent/WO2018068752A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/025—Services making use of location information using location based information parameters
    • H04W4/027—Services making use of location information using location based information parameters using movement velocity, acceleration information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • 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

Definitions

  • the present disclosure relates to the field of communications, and in particular, to a method and apparatus for determining a paging area.
  • Next-generation communication systems are expected to support a wide range of usage scenarios, from fully mobile devices to static IoT devices or fixed wireless broadband devices.
  • a business model consists of multiple short burst data services or long burst data services, and the intermediate waiting period is variable.
  • the most important thing for this kind of service is the inactive state behavior of the user equipment UE (User Equipment) during the two data burst services, so METIS (Mobile and wireless communications Enablers for the 2020 Information Society, referred to as METIS)
  • METIS Mobile and wireless communications Enablers for the 2020 Information Society, referred to as METIS
  • RRC_Connected Inactive A new state is connected to the inactive state RRC_Connected Inactive.
  • the difference between this state and the NB-IOT (Narrow band–internet of thing) wireless resource suspension is that it needs to be connected to the core network CN, and the terminal in this state is allowed to move within the predefined area. Notify the network side.
  • a paging procedure triggered on the RAN (Residential Broadband Network) side is proposed to reduce the paging signaling load on the CN side.
  • the CN when the terminal has downlink data arrival, the CN first performs at least one of the following operations: sending a paging message of the S1 interface (a Data Packet message sent by the MME) to the anchor Anchor eNB, and transmitting the data to the RAN.
  • the RAN side caches, and then the RAN side finds that the terminal is in the connection inactive state, but for the mobile terminal, the terminal can be paged at the current anchor base station, if no paging response is received.
  • the Anchor eNB sends a paging message (X2Paging message) to the other base station eNB (evolved Node B, evolved base station) through the X2 port, and the other base station pages the terminal UE through the Uu Paging message, and waits for the response message Paging response.
  • X2Paging message a paging message
  • This RAN-triggered paging message while reducing paging signaling on the CN side, inevitably increases the signaling load of X2.
  • the previous paging area that is, the tracking area list
  • the previous paging area is reduced in size.
  • a UE Context Release Request message is sent to the base station, so that the base station reports some base station list or cell list (recommended cells and enbs, recommended base station and cell) of the UE's recent travel, and then
  • the MME Mobility Management Entity
  • the MME Mobility Management Entity
  • the embodiments of the present disclosure provide a method and an apparatus for determining a paging area, so as to at least solve the technical problem of high paging load when paging based on a base station list or a cell list in the related art.
  • a method for determining a paging area comprising: when receiving a downlink data message sent to a user terminal, the network side according to the last received terminal state of the user terminal At least one of the information and the location update information estimates the first cell where the user terminal is located; the network side determines the paging area of the user terminal according to the estimated first cell.
  • a determining apparatus for a paging area comprising: a processing unit configured to, according to a last received user, when receiving a downlink data message addressed to a user terminal At least one of terminal status information and location update information of the terminal estimates a first cell where the user terminal is located; and the determining unit is configured to determine a paging area of the user terminal according to the estimated first cell.
  • a storage medium which may be arranged to store program code arranged to perform the following steps: when receiving a downlink data message addressed to a user terminal, according to the last received At least one of terminal status information and location update information of the user terminal estimates a first cell in which the user terminal is located; and determines a paging area of the user terminal according to the estimated first cell.
  • the network side when receiving the downlink data message sent to the user terminal, estimates, according to at least one of the terminal state information and the location update information of the last received user terminal, the first cell where the user terminal is located.
  • the network side determines the paging area of the user terminal according to the estimated first cell, thereby solving the technical problem that the paging load is higher when paging based on the base station list or the cell list in the related art, and the paging load is reduced.
  • FIG. 3 is a schematic diagram of a computer terminal in accordance with an embodiment of the present disclosure.
  • FIG. 5 is a flowchart of a method of determining a paging area according to an embodiment of the present disclosure
  • FIG. 6 is a flowchart of a method of determining an optional paging area in accordance with an embodiment of the present disclosure
  • FIG. 7 is a schematic diagram of an optional cell in accordance with an embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram of an optional cell in accordance with an embodiment of the present disclosure.
  • FIG. 9 is a flowchart of a method of determining an optional paging area in accordance with an embodiment of the present disclosure.
  • FIG. 10 is a flowchart of a method of determining an optional paging area in accordance with an embodiment of the present disclosure
  • FIG. 11 is a schematic diagram of a determining apparatus of a paging area according to an embodiment of the present disclosure.
  • the method embodiment provided in Embodiment 1 of the present application can be executed in a mobile terminal, a computer terminal or the like.
  • the computer terminal may include one or more (only one shown) processor 301 (the processor 301 may include, but is not limited to, a microprocessor MCU or programmable A processing device such as a logic device FPGA, a memory 303 for storing data, and a transmission device 305 for communication functions.
  • the structure shown in FIG. 3 is merely illustrative and does not limit the structure of the above electronic device.
  • the memory 303 may be configured as a software program and a module for storing application software, such as program instructions/modules corresponding to the control method of the device in the embodiment of the present disclosure, and the processor 301 is executed by executing a software program and a module stored in the memory 303.
  • application software such as program instructions/modules corresponding to the control method of the device in the embodiment of the present disclosure
  • the processor 301 is executed by executing a software program and a module stored in the memory 303.
  • the memory can include high speed random access memory and can also include non-volatile memory such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • the memory can further include memory remotely located relative to the processor, which can be connected to the computer terminal over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • the transmission device is arranged to receive or transmit data via a network.
  • Exemplary examples of the network described above may include a wireless network provided by a communication provider of a computer terminal.
  • the transmission device includes a Network Interface Controller (NIC) that can be connected to other network devices through the base station to communicate with the Internet.
  • the transmission device can be a Radio Frequency (RF) module configured to communicate with the Internet wirelessly.
  • NIC Network Interface Controller
  • RF Radio Frequency
  • the mobile terminal status information (ie, mobility state) carrying the terminal UE in the RRC connection completion message (ie, Rrc CONNECTION COMPLETE), and the mobility history information (ie, mobility history information) are introduced. ) to the network side eNB, as shown in Figure 4.
  • the network further estimates the mobile state of the terminal by reporting the information, and the network side prohibits the terminal from switching to the small cell by modifying the condition that is triggered by the measurement report, or allows the terminal to switch to a better cell earlier, and the network side passes Setting a shorter timer triggers the failure reporting of the wireless link to arrive early to restore the wireless link re-establishment.
  • the network side can better ensure the handover performance and data transmission performance of the connected state terminal.
  • the paging range is reduced or based on the location update report.
  • the tracking range list is not able to capture in time that the terminal has moved out of the area corresponding to the paging range information, which in turn causes an increase in paging load and a higher signaling load of X2 caused by the RAN side triggering paging.
  • a method implementation method for determining a paging area is provided For example, by the status of the reported terminal, the network side can roughly estimate the activity range of the terminal, and then select a suitable paging area suitable for the terminal to perform paging. It should be noted that the steps illustrated in the flowchart of the accompanying drawings may be executed in a computer system such as a set of computer executable instructions, and, although shown in the flowchart, The steps shown or described may be performed in an order different than that herein.
  • FIG. 5 is a flowchart of a method for determining a paging area according to an embodiment of the present disclosure. As shown in FIG. 5, the method includes the following steps:
  • Step S501 When receiving the downlink data message sent to the user terminal, the network side estimates the first cell where the user terminal is located according to at least one of terminal state information and location update information of the last received user terminal.
  • Step S502 the network side determines a paging area of the user terminal according to the estimated first cell.
  • the network side when receiving the downlink data message sent to the user terminal, estimates the first cell where the user terminal is located according to at least one of the terminal state information and the location update information of the last received user terminal; The side determines the paging area of the user terminal according to the estimated first cell, thereby solving the technical problem that the paging load is higher when paging based on the base station list or the cell list in the related art, and realizing the technology for reducing the paging load. effect.
  • the foregoing downlink data message is a message sent by the serving gateway Serving Gateway to the terminal UE (such as the Data Packet message in FIG. 1), and needs to be forwarded by the network side when transmitting, that is, the serving gateway sends the message to the network side. It is sent to the UE by the network side.
  • Receiving the downlink data message on the network side triggering the subsequent operation, that is, estimating the first cell where the user terminal is located according to at least one of the terminal state information and the location update information of the last received user terminal, and further determining the paging area. After the paging area is determined, the network side can page the UE, and then establish an air interface connection or resume the air interface connection, so that the downlink data message can be sent to the UE.
  • the foregoing downlink data message may be a system message; the terminal status information of the user terminal includes at least one of: a current speed of the user terminal; a support service of the user terminal; a wireless network connection status of the user terminal; and a wireless connection of the user terminal. Access capability; historical movement information of the user terminal.
  • the services supported by the mobile terminal include: narrowband Internet of Things services, ultra-reliable low-latency services, enhanced mobile broadband services, etc.; the wireless network connection status of the user terminals can be divided into: idle state, connection inactive state; user terminal support
  • the wireless access capability includes: supporting a frequency band, a bandwidth, a channel, and the like; the historical mobile information of the user terminal (ie, the location update information) includes: a cell through which the terminal moves, and a dwell time of each cell.
  • the user terminal is configured to report the terminal status information
  • the user terminal reporting function includes: the user terminal in the idle state reports the terminal status information to the CN; the user terminal connected in the inactive state reports the terminal status information to the RAN; When the status changes, the information that changes is reported by the terminal status information.
  • the terminal status information of the user terminal received by the network side includes the terminal status information that is sent by the network side when the user terminal meets the preset condition, where the preset condition is a condition for triggering the user terminal to send the terminal status information, and preset The condition includes at least one of the following: the moving direction of the user terminal in the first preset time period is opposite to the original path direction; the moving direction of the user terminal in the second preset time period deviates from the original path direction; the user terminal changes the mobile direction Destination; the rate of the user terminal changes during the third preset time period.
  • the network side when the network side estimates the first cell where the user terminal is located according to the location update information of the last received user terminal, before the network side receives the location update information of the user terminal, the network side sets the speed based on the speed.
  • a plurality of location update types including: a cell-level location update set for a terminal whose speed is within a first preset range (ie, a general speed), and a speed within a second preset range (ie, a medium speed)
  • the speed maximum value of the range, the speed minimum value of the third preset range is not less than the speed maximum value of the second preset range; the network side notifies the user terminal of the plurality of location update types.
  • the network side when the network side notifies the user terminal of the multiple location update types, the network side sends multiple location update types by using at least one of the following information: a system message, a suspension message, and a radio resource control connection release message.
  • the user terminal selects the cell level location update; if the current speed of the user terminal is in the first Within the second preset range, the user terminal selects the cell group level location update; if the current speed of the user terminal is within the third preset range, the user terminal selects the RAN level location update.
  • the network side estimates, according to at least one of the terminal state information and the location update information of the user terminal that is received last time, that the first cell where the user terminal is located includes: if the location update type of the user terminal is a cell level location update, The network side determines the first cell according to the current location reported by the location update information; or the network side determines the first cell according to the location update information and the current speed of the user terminal; if the location update type of the user terminal is the cell group level location update, The network side determines the first cell according to the location update information and the current speed of the user terminal; if the location update type of the user terminal is the RAN level location update, the network side according to the location update information, the current speed of the user terminal, and the moving path of the user terminal The trajectory determines the first cell.
  • the location update type of the user terminal is a cell-level location update
  • the latest location update information received may be sent by the slow user terminal at the cell edge. Therefore, when the location update type of the user terminal is the cell level location update, the network side updates the information according to the location and the current location of the user terminal.
  • the speed determining the first cell includes: a network side acquiring time difference value and a current position in the location update information, where the time difference is a difference between the location update information and the receiving time of the downlink data message; and the network side is based on the time difference Determining the moving distance of the user terminal with the current speed; the network side determines the first cell that the user terminal can reach within the time difference according to the current location and the moving distance.
  • the network side determines the neighboring level of the first cell and the cell indicated by the current location; and the network side acquires the N-level neighbor corresponding to the adjacent level.
  • a cell where the N-level neighboring cell is a plurality of cells of the neighboring level N of the cell indicated by the current location, where N is a positive integer; and the network side uses the N-level neighboring cell as a paging zone of the user terminal.
  • the first-level neighboring cell refers to the cell adjacent to the cell indicated by the current location, and is not a service.
  • the cell of the cell; when N is not equal to 1, the N-level neighboring cell refers to a cell that is adjacent to the (N-1)-level neighboring cell and is not a serving cell.
  • the location information in the latest location update as a starting point, determining the time difference of the latest update of the downlink data arrival distance location, and then multiplying the terminal moving speed to determine the terminal moving distance, and finally determining the terminal through the starting point distance, the moving distance, and the moving trajectory.
  • Which cell may be moved to, and then this possible mobile cell, terminal historical mobile cell is the mobile paging area.
  • the network side determines, according to the location update information and the current speed of the user terminal, that the first cell includes: a network side acquisition time difference value and a current location in the location update information, where The time difference is the difference between the location update information and the receiving time of the downlink data message; the network side determines the moving distance of the user terminal according to the time difference value and the current speed; the network side determines the time difference of the user terminal according to the current location and the moving distance.
  • the first cell that can be reached within the value.
  • the network side determines the neighboring level of the first cell and the cell indicated by the current location; and the network side acquires the N-level neighbor corresponding to the adjacent level.
  • a cell where the N-level neighboring cell is a plurality of cells of the neighboring level N of the cell indicated by the current location, where N is a positive integer; and the network side uses the N-level neighboring cell as a paging zone of the user terminal.
  • determining the time difference of the latest update of the downlink data arrival distance position, and then multiplying the terminal moving speed to determine the terminal moving distance, and finally determining the terminal may move to the one by the starting point distance and the moving distance.
  • the cell judges that the cell is a neighboring cell, for example, a first-level neighbor, and then forms a paging area with all cells adjacent to the first-level cell of the latest update location cell.
  • the location update type of the user terminal is a RAN level location update
  • the network side determines the first cell according to the location update information, the current speed of the user terminal, and the mobility path trajectory of the user terminal, and the network side acquires the current time difference and the current location information in the location update information.
  • the network side determines the moving distance of the user terminal according to the time difference value and the current speed; the network side according to the current location, the moving distance, and the mobile
  • the path trajectory determines a first cell that the user terminal arrives within the time difference; then the network side uses at least one of the primary neighboring cell and the secondary neighboring cell of the first cell as the paging area of the user terminal.
  • the network side determines that the terminal is a high-speed mobile terminal according to the state of the terminal, and estimates the paging area of the high-speed terminal according to a certain algorithm.
  • the network side uses the location information in the latest location update as a starting point, determining the time difference of the latest update of the downlink data arrival distance location, and then multiplying the terminal moving speed to determine the terminal moving distance, and finally passing the starting point distance, the moving distance, and the high-speed moving path.
  • the trajectory roughly determines which cell the terminal may move to, and finally uses at least one of the primary neighboring cell and the secondary neighboring cell of the cell as the paging area.
  • the cell adjacent to the serving cell is a primary neighboring cell
  • the secondary cell adjacent to the primary cell that is not the serving cell is the secondary neighboring cell of the serving cell, and so on.
  • the 3GPP system may be an LTE system, or an enhanced LTE system, or a new system of 5G.
  • the LTE access network side network element uses an eNB as an example
  • the core network uses a CN (Core Network
  • the core network includes an MME and an S-GW (Serving Gateway).
  • step S601 the eNB sends a location update configuration of the status of different terminals by using a downlink message (System Information in the following line).
  • Step S602 The terminal in the idle state reports at least one of the terminal status and the location update to the CN by using an uplink message.
  • the reported information includes: the terminal moves from the cell 1 to the cell 2; the terminal changes from the stationary state to the low-speed mobile state.
  • the uplink message here may be a non-access stratum message, such as a location update message, or a new message.
  • Step S603 the downlink data of the terminal reaches the CN side, and the CN estimates the activity range of the terminal according to the terminal state setting, and further determines the paging area of the terminal according to the terminal activity range.
  • the CN uses the scheme 1 when estimating the location of the terminal: if the terminal is set to be a cell-level location update, the cell updated with the latest location is the paging area, and when the downlink data of the low-speed terminal arrives, The network side determines that the terminal is a low-speed mobile terminal according to the state of the terminal. Because it is a cell-level location update, it is determined that the terminal is still in the latest updated location area, and thus the cell updated with the latest location is the paging area. The location of the CN estimation terminal may also be adopted. If the location of the terminal is updated to be a tracking list or a cell list, the location of the user terminal UE may be estimated based on an algorithm, as shown in FIG.
  • Cell represents a cell in FIG. 7
  • the location cell 1 in the latest location update serves as a starting point, determines the time difference of the latest update of the downlink data arrival distance location, and then multiplies the terminal movement speed to determine the terminal movement distance, and finally passes the starting point distance, the moving distance roughly, and the direction of the moving track reported by the terminal.
  • the decision terminal may move to cell 4. Then, at least one of the cells 6 and 7 in the location estimated by the terminal, that is, the cell 4 and the historical mobile location information reported by the terminal, is paged.
  • the CN For a terminal with a medium moving speed, the CN sets the location update of the terminal cell group level.
  • the network side determines that the terminal is a medium speed mobile terminal according to the state of the terminal, and estimates the medium speed terminal according to the algorithm.
  • the paging area uses the location cell 1 in the latest location update as a starting point, determines the time difference of the latest update of the downlink data arrival distance location, and then multiplies the terminal movement speed to determine the terminal movement distance, and finally passes the starting point distance.
  • the mobile distance rough decision terminal may move to the cell 4, and then it is judged that the cell 4 is a first-level neighbor of the cell 1, and then all the cells adjacent to the first level of the cell 1 constitute a paging area, the cell 2, the cell 3, Cell 4, cell 5, cell 6, and cell 7 form a paging area.
  • the network side determines that the terminal is a high-speed mobile terminal according to the state of the terminal, and estimates the paging area of the high-speed terminal according to the algorithm, as shown in FIG. 8 (Cell representation in FIG.
  • the above-mentioned high-speed moving predetermined path trajectory is a list of cells that the high-speed carrier may move to a destination on a specific trajectory, as shown in FIG. 8 (including cell 19, cell 17, cell 1, cell 4, cell 14).
  • Step S604 the CN initiates paging to the terminal according to the determined paging area.
  • step S901 the eNB delivers the location update configuration of the state of the different terminal by using the downlink message.
  • Step S902 The terminal UE that is connected to the inactive state reports at least one of the terminal status and the location update to the eNB by using an uplink message.
  • the above terminal may be in a low-speed mobile state, where the uplink message may be an access layer message, such as a recovery message, or a new message.
  • the uplink message may be an access layer message, such as a recovery message, or a new message.
  • Step S903 the downlink data of the terminal arrives at the eNB side, and the eNB estimates the activity range of the terminal according to the terminal state setting, and further determines the paging area of the terminal according to the range of the terminal activity.
  • the eNB For a terminal with a slow moving speed, the eNB sets the terminal to be a cell-level location update.
  • the network side determines that the terminal is a low-speed mobile terminal according to the state of the terminal, because The cell level location update determines that the terminal is still in the latest updated location area. Therefore, the cell updated with the latest location is the paging area.
  • the CN For a terminal with a medium moving speed, the CN sets the location update of the terminal cell group level.
  • the network side determines that the terminal is a medium speed mobile terminal according to the state of the terminal, and estimates the medium speed terminal according to the algorithm.
  • the paging area uses the location cell 1 in the latest location update as a starting point, determines the time difference of the latest update of the downlink data arrival distance location, and then multiplies the terminal movement speed to determine the terminal movement distance, and finally passes the starting point distance.
  • the mobile distance rough decision terminal may move to the cell 4, and then it is judged that the cell 4 is a first-level neighbor of the cell 1, and then all the cells adjacent to the first level of the cell 1 constitute a paging area, the cell 2, the cell 3, Cell 4, cell 5, cell 6, and cell 7 form a paging area.
  • the network side determines that the terminal is a high-speed mobile terminal according to the state of the terminal, and estimates the paging area of the high-speed terminal according to a certain algorithm. For example, using the location cell 1 in the latest location update in FIG. 8 as a starting point, determining the time difference of the latest update of the downlink data arrival distance location, and then multiplying the terminal moving speed to determine the terminal moving distance, and finally passing the starting point distance, the moving distance, and
  • the high-speed moving predetermined path trajectory roughly determines that the terminal may move to the cell 9, and finally uses at least one of the primary neighboring cell and the secondary neighboring cell of the cell 9 as the paging area.
  • Step S904 the eNB initiates paging to the terminal according to the determined paging area.
  • step S1001 the eNB on the network side sends the condition of the trigger event to the terminal UE by using the downlink message.
  • the terminal reporting terminal status described above may be composed of one or more of the following trigger events:
  • the terminal moving direction maintained for a certain period of time is opposite to the original path direction
  • the terminal gives a new mobile destination address
  • the rate of the terminal has changed within a certain period of time.
  • step S1002 the terminal determines that it has the terminal reporting capability, and the terminal that is in the idle state determines that the state changes.
  • Step S1003 triggering an uplink message to notify the network side terminal of the change information of the state.
  • the idle state terminal finds that the moving speed changes, for example, from medium speed to high speed, and reports the status report of the terminal to the CN, and the change information of the terminal state, that is, the moving speed of the terminal is high speed.
  • step S1004 the terminal connected to the inactive state determines that the state of the self has changed.
  • Step S1005 triggering an uplink message to notify the network side terminal of the change information of the state.
  • the terminal connected to the inactive state finds that the path direction of the terminal is opposite to that of the original path, and reports the status of the terminal to the RAN.
  • the reported message includes the path direction change of the terminal, that is, the path direction is the original reverse.
  • the uplink message may be a location update message or a new message, such as a terminal status update message.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present disclosure which is essential or contributes to the related art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk, CD-ROM).
  • the instructions include a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present disclosure.
  • a determining device for a paging area is also provided in the embodiment of the present disclosure.
  • the apparatus is configured to implement the above-described embodiments and preferred embodiments, and the description thereof has been omitted.
  • the term "module" may implement a combination of at least one of software, hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 11 is a schematic diagram of a determining apparatus of a paging area according to an embodiment of the present disclosure. As shown in FIG. 11, the apparatus may include a processing unit 111 and a determining unit 112.
  • the processing unit 111 is configured to: when receiving the downlink data message sent to the user terminal, estimate the first cell where the user terminal is located according to at least one of terminal state information and location update information of the last received user terminal.
  • the determining unit 112 is configured to determine a paging area of the user terminal according to the estimated first cell.
  • the processing unit when receiving the downlink data message sent to the user terminal, estimates the first cell where the user terminal is located according to at least one of the terminal state information and the location update information of the last received user terminal; The unit determines the paging area of the user terminal according to the estimated first cell, thereby solving the technical problem that the paging load is higher when the paging is performed based on the base station list or the cell list in the related art, and the technology for reducing the paging load is realized. effect.
  • the foregoing downlink data message may be a system message;
  • the terminal status information of the user terminal includes at least one of: a current speed of the user terminal; a support service of the user terminal; a wireless network connection status of the user terminal; and a wireless connection of the user terminal.
  • Access capability; the services supported by the mobile terminal include: narrowband Internet of Things service, ultra-reliable low-latency service, enhanced mobile broadband service, etc.; the wireless network connection status of the user terminal can be divided into: idle state, connection inactive state
  • the radio access capability supported by the user terminal includes: supporting a frequency band, a bandwidth, a channel, and the like;
  • the location update information includes a cell through which the terminal moves, and a dwell time of each cell.
  • the condition for triggering the user terminal to report the terminal status information includes at least one of the following: the moving direction of the user terminal in the first preset time period and the original path direction. Conversely, the moving direction of the user terminal in the second preset time period deviates from the original path direction; the user terminal changes the moving destination; and the rate of the user terminal changes in the third preset time period.
  • the device further includes: a setting unit, configured to set a plurality of location update types based on the speed before receiving the location update information of the user terminal, where the multiple location update types include: the speed is within the first preset range The cell level location update of the terminal setting, the cell group level location update set for the terminal whose speed is within the second preset range, and the RAN level location update set for the terminal whose speed is within the third preset range, wherein the second The minimum speed value of the preset range is not less than the speed maximum value of the first preset range, and the minimum speed value of the third preset range is not less than the speed maximum value of the second preset range; the notification unit is set to be A plurality of location update types are notified to the user terminal.
  • a setting unit configured to set a plurality of location update types based on the speed before receiving the location update information of the user terminal, where the multiple location update types include: the speed is within the first preset range The cell level location update of the terminal setting, the cell group level location update set for the terminal
  • the notification unit sends a plurality of location update types by at least one of the following information when the plurality of location update types are notified to the user terminal: a system message; a suspension message; and the RRC connection is released. Message.
  • the processing unit includes: an estimating module, configured to determine that the first cell determines that the paging area of the user terminal includes a first determining module, and the location update type is a cell level at the user terminal.
  • the first cell is determined according to the current location reported by the location update information
  • the second determining module is configured to be in the case that the location update type of the user terminal is a cell group level location update or a cell level location update, according to the location
  • the update information and the current speed of the user terminal determine the first cell
  • the third determining module is configured to, according to the location update information, the current speed of the user terminal, and the user terminal, in the case that the location update type of the user terminal is the RAN level location update
  • the moving path trajectory determines the first cell.
  • the second determining module includes: a first acquiring submodule configured to acquire a current difference between the time difference value and the location update information, wherein the time difference value is between the location update information and the receiving time of the downlink data message a first determining submodule configured to determine a moving distance of the user terminal according to the time difference value and the current speed; and a second determining submodule configured to determine, according to the current position and the moving distance, that the user terminal can reach within the time difference value First cell.
  • the third determining module includes: a second acquiring submodule configured to acquire a current difference between the time difference value and the location update information, where the time difference value is between the location update information and the receiving time of the downlink data message. a third determining submodule configured to determine a moving distance of the user terminal according to the time difference value and the current speed; and a fourth determining submodule configured to determine the time difference of the user terminal according to the current position, the moving distance, and the moving path trajectory The first cell that arrives within.
  • the determining unit includes: a fourth determining module, configured to: when the location update type of the user terminal is a cell level location update, the first cell is used as a paging area of the user terminal; and the fifth determining module is configured to In a case where the location update type of the user terminal is a cell group level location update or a cell level location update, multiple cells determined based on the neighboring level are used as a paging area of the user terminal, where the adjacent level is set to describe the first The degree of the neighboring cell and the cell indicated by the current location; the sixth determining module is configured to: when the location update type of the user terminal is RAN-level location update, the first-level neighboring cell and the second-level phase of the first cell At least one of the neighboring cells serves as a paging area of the user terminal.
  • a fourth determining module configured to: when the location update type of the user terminal is a cell level location update, the first cell is used as a paging area of the user terminal
  • the fifth determining module is
  • the fifth determining module includes: a fifth determining submodule, configured to determine a neighboring level of the first cell and a cell indicated by the current location; and a third acquiring submodule configured to acquire the N corresponding to the adjacent level a neighboring cell, where the N-level neighboring cell is a plurality of cells of the neighboring level N of the cell indicated by the current location, and N is a positive integer; the first processing sub-module is configured to set the N-level neighboring cell As the paging area of the user terminal.
  • the first-level neighboring cell refers to the cell adjacent to the cell indicated by the current location, and A cell that is not a serving cell; when N is not equal to 1, the N-level neighboring cell refers to a cell that is adjacent to the (N-1)-level neighboring cell and is not a serving cell.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
  • the forms are located in different processors.
  • Embodiments of the present disclosure also provide a storage medium.
  • the storage medium may be configured to store program code set to perform the following steps:
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a mobile hard disk e.g., a hard disk
  • magnetic memory e.g., a hard disk
  • the processor performs, according to the stored program code in the storage medium, when receiving the downlink data message sent to the user terminal, according to the terminal status information and location of the last received user terminal.
  • At least one of the update information estimates a first cell in which the user terminal is located; and determines a paging area of the user terminal according to the estimated first cell.
  • modules or steps of the present disclosure described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device so that they can be stored in The storage device is executed by the computing device, and in some cases, the steps shown or described may be performed in an order different from that herein, or they may be separately fabricated into individual integrated circuit modules, or many of them. Modules or steps are made into a single integrated circuit module. As such, the disclosure is not limited to any specific combination of hardware and software.
  • the method for determining a paging area is: when receiving the downlink data message sent to the user terminal, the network side estimates, according to at least one of terminal state information and location update information of the last received user terminal.
  • the first cell in which the user terminal is located determines the paging area of the user terminal according to the estimated first cell, and solves the technical problem that the paging load is higher when paging based on the base station list or the cell list in the related art, and implements The technical effect of reducing the paging load.

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Abstract

本公开提供了一种寻呼区域的确定方法和装置。其中，该方法包括：当接收到发给用户终端的下行数据消息时，网络侧根据最后一次接收到的用户终端的终端状态信息、位置更新信息至少之一估算出用户终端所在的第一小区；网络侧根据估算出的第一小区确定用户终端的寻呼区域。本公开解决了相关技术中基于基站列表或者小区列表进行寻呼时的寻呼负荷较高的技术问题。

Description

寻呼区域的确定方法和装置 技术领域
本公开涉及通信领域，具体而言，涉及一种寻呼区域的确定方法和装置。
背景技术
下一代通讯系统希望支持广泛的使用场景，从完全移动设备到静态的物联网设备或者固定无线宽带设备，均能得到支持。一个业务模型就是由多个短突发数据业务或者长突发数据业务组成，中间等待周期是变长的。对于这种业务最重要的是，两个数据突发业务期间的用户终端UE(User Equipment)的非激活状态的行为，于是METIS(Mobile and wireless communications Enablers for the 2020 Information Society，简称为METIS)提出一个新状态连接非激活态RRC_Connected Inactive。这个状态与NB-IOT(Narrow band–internet of thing，窄带物联网)功能下的无线资源悬挂的区别就是需要与核心网CN保持连接，同时允许该状态的终端在预定义区域内移动，不需要通知网络侧。
对于这个连接非激活态，提出了一种在RAN(Residential Broadband Network，居民接入网)侧触发的寻呼流程，目的是减少CN侧的寻呼信令负荷。如图1所示，对于终端有下行数据到达时，CN首先进行以下至少之一的操作：发S1接口的寻呼消息(MME发送的Data Packet消息)给锚点Anchor eNB、将数据传送给RAN侧的Serving Gateway(服务网关)，RAN侧进行缓存，然后RAN侧发现这个终端处于连接非激活态，但是对于移动的终端，可在当前锚点基站寻呼该终端，如果没有收到寻呼响应，Anchor eNB则通过X2口发寻呼消息(X2Paging消息)给其它基站eNB(evolved Node B，演进型基站)，其它基站通过Uu Paging消息寻呼这个终端UE，并等待其回应消息Paging response。这个基于RAN触发的寻呼消息，虽然减少了CN侧的寻呼信令，但是不可避免的增加了X2的信令负荷。
目前，为了实现RAN3中的寻呼优化，就是将以前的寻呼区域，即追踪区域列表，进行缩小化限制。如图2所示，发送UE Context Release Request(UE内容释放请求)消息至基站，以使基站上报UE的最近行踪的一些基站列表或者小区列表(即recommended cells and enbs，推荐基站和小区)，然后MME(Mobility Management Entity，移动管理节点功能)触发寻呼(即Paging)时就首先在这个缩小化的寻呼范围，即基站列表或者小区列表进行寻呼，这样就会大大减少寻呼负荷。但是，如果在第一次缩小范围里面寻呼不到相关的终端，就扩大寻呼区域到最终区域列表，反而会增加寻呼负荷。
针对相关技术中基于基站列表或者小区列表进行寻呼时的寻呼负荷较高的技术问题，目前尚未提出有效的解决方案。
发明内容
本公开实施例提供了一种寻呼区域的确定方法和装置，以至少解决相关技术中基于基站列表或者小区列表进行寻呼时的寻呼负荷较高的技术问题。
根据本公开实施例的一个方面，提供了一种寻呼区域的确定方法，该方法包括：当接收到发给用户终端的下行数据消息时，网络侧根据最后一次接收到的用户终端的终端状态信息、位置更新信息至少之一估算出用户终端所在的第一小区；网络侧根据估算出的第一小区确定用户终端的寻呼区域。
根据本公开实施例的另一个方面，提供了一种寻呼区域的确定装置，该装置包括：处理单元，设置为当接收到发给用户终端的下行数据消息时，根据最后一次接收到的用户终端的终端状态信息、位置更新信息至少之一估算出用户终端所在的第一小区；确定单元，设置为根据估算出的第一小区确定用户终端的寻呼区域。
根据本公开的另一个实施例，提供了一种存储介质，存储介质可以被设置为存储设置为执行以下步骤的程序代码：当接收到发给用户终端的下行数据消息时，根据最后一次接收到的用户终端的终端状态信息、位置更新信息至少之一估算出用户终端所在的第一小区；根据估算出的第一小区确定用户终端的寻呼区域。
在本公开实施例中，当接收到发给用户终端的下行数据消息时，网络侧根据最后一次接收到的用户终端的终端状态信息、位置更新信息至少之一估算出用户终端所在的第一小区；网络侧根据估算出的第一小区确定用户终端的寻呼区域，从而解决了相关技术中基于基站列表或者小区列表进行寻呼时的寻呼负荷较高的技术问题，实现了降低寻呼负荷的技术效果。
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，构成本申请的一部分，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是相关技术中的可选的寻呼操作的流程图；
图2是相关技术中的可选的寻呼操作的流程图；
图3是根据本公开实施例的计算机终端的示意图；
图4是相关技术中的可选的消息发送的示意图；
图5是根据本公开实施例的寻呼区域的确定方法的流程图；
图6是根据本公开实施例的可选的寻呼区域的确定方法的流程图；
图7是根据本公开实施例的可选的小区的示意图；
图8是根据本公开实施例的可选的小区的示意图；
图9是根据本公开实施例的可选的寻呼区域的确定方法的流程图；
图10是根据本公开实施例的可选的寻呼区域的确定方法的流程图；
图11是根据本公开实施例的寻呼区域的确定装置的示意图。
具体实施方式
下文中将参考附图并结合实施例来详细说明本公开。需要说明的是，在不冲突的情况 下，本申请中的实施例及实施例中的特征可以相互组合。
需要说明的是，本公开的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。
实施例1
本申请实施例一所提供的方法实施例可以在移动终端、计算机终端或者类似的运算装置中执行。以运行在计算机终端上为例，如图3所示，计算机终端可以包括一个或多个(图中仅示出一个)处理器301(处理器301可以包括但不限于微处理器MCU或可编程逻辑器件FPGA等的处理装置)、用于存储数据的存储器303、以及用于通信功能的传输装置305。本领域普通技术人员可以理解，图3所示的结构仅为示意，其并不对上述电子装置的结构造成限定。
存储器303可设置为存储应用软件的软件程序以及模块，如本公开实施例中的设备的控制方法对应的程序指令/模块，处理器301通过运行存储在存储器303内的软件程序以及模块，从而执行各种功能应用以及数据处理，即实现上述的方法。存储器可包括高速随机存储器，还可包括非易失性存储器，如一个或者多个磁性存储装置、闪存、或者其他非易失性固态存储器。在一些实例中，存储器可进一步包括相对于处理器远程设置的存储器，这些远程存储器可以通过网络连接至计算机终端。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。
传输装置设置为经由一个网络接收或者发送数据。上述的网络示例性实例可包括计算机终端的通信供应商提供的无线网络。在一个实例中，传输装置包括一个网络适配器(Network Interface Controller，NIC)，其可通过基站与其他网络设备相连从而可与互联网进行通讯。在一个实例中，传输装置可以为射频(Radio Frequency，RF)模块，其设置为通过无线方式与互联网进行通讯。
在异构网的移动性增强中，引入了在无线资源控制连接完成消息(即Rrc CONNECTION COMPLETE)中携带终端UE的移动终端状态信息(即mobility state)，以及终端移动历史信息(即mobility history information)给网络侧eNB，如图4所示。网络通过上报信息进一步估算出该终端的移动状态，网络侧通过修改触发测量报告上报的条件，来禁止终端切换到小小区，或者让终端更早的切换到更好的小区，另外，网络侧通过设置更短的定时器触发无线链路的失败上报，以到达早点恢复无线链路重建的目的。通过终端移动状态和终端移动历史消息的上报，网络侧能够更好地保证连接态终端的切换性能和数据传输性能。
目前，归功于高频引入以及密集站点的分布，小小区数量不断增加，这会导致寻呼在空口和S1接口的负荷急剧上升，在RAN3寻呼优化中，缩小寻呼范围还是基于位置更新上报的追踪范围列表，因而不能及时捕捉到终端已经移动出这个寻呼范围信息对应的区域，反而导致寻呼负荷增加，以及RAN侧触发寻呼导致的X2的信令负荷较高的问题。
为了解决上述问题，根据本公开实施例，提供了一种寻呼区域的确定方法的方法实施 例，通过上报的终端的状态，网络侧能够粗略估计出终端的活动范围，然后选择适合该终端的合适寻呼区域进行寻呼。需要说明的是，在附图的流程图示出的步骤可以在诸如一组计算机可执行指令的计算机系统中执行，并且，虽然在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤。
图5是根据本公开实施例的寻呼区域的确定方法的流程图，如图5所示，该方法包括如下步骤：
步骤S501，当接收到发给用户终端的下行数据消息时，网络侧根据最后一次接收到的用户终端的终端状态信息、位置更新信息至少之一估算出用户终端所在的第一小区。
步骤S502，网络侧根据估算出的第一小区确定用户终端的寻呼区域。
通过上述实施例，当接收到发给用户终端的下行数据消息时，网络侧根据最后一次接收到的用户终端的终端状态信息、位置更新信息至少之一估算出用户终端所在的第一小区；网络侧根据估算出的第一小区确定用户终端的寻呼区域，从而解决了相关技术中基于基站列表或者小区列表进行寻呼时的寻呼负荷较高的技术问题，实现了降低寻呼负荷的技术效果。
需要说明的是，上述的下行数据消息为服务网关Serving Gateway发送给终端UE的消息(如图1中的Data Packet消息)，在发送时需要由网络侧进行转发，即服务网关发送给网络侧，由网络侧发送给UE。在网络侧接收到下行数据消息，触发后续操作，即根据最后一次接收到的用户终端的终端状态信息、位置更新信息至少之一估算出用户终端所在的第一小区，进而确定寻呼区域，在确定好寻呼区域之后，网络侧能够寻呼到这个UE，然后建立空口连接或者恢复空口连接，从而可将下行数据消息发送给UE。
可选地，上述的下行数据消息可以为系统消息；用户终端的终端状态信息包括以下至少之一：用户终端的当前速度；用户终端的支持业务；用户终端的无线网络连接状态；用户终端的无线接入能力；用户终端的历史移动信息。上述的移动终端支持的业务包括：窄带物联网业务、超可靠低时延业务、增强型移动宽带业务等；用户终端的无线网络连接状态可以分为：空闲态、连接非激活态；用户终端支持的无线接入能力包含：支持频段、带宽、信道等；用户终端的历史移动信息(即位置更新信息)包括：终端移动经过的小区、以及每个小区的停留时间等。
可选地，用户终端具备终端状态信息的上报功能，用户终端的上报功能包括：空闲态的用户终端上报终端状态信息给CN；连接非激活态的用户终端上报终端状态信息给RAN；在用户终端状态发生变化时，通过终端状态信息上报发生变化的信息。
需要说明的是，网络侧接收用户终端的终端状态信息包括网络侧接收用户终端在满足预设条件时发送的终端状态信息；其中，预设条件为触发用户终端发送终端状态信息的条件，预设条件包括以下至少之一：用户终端在第一预设时间段内的移动方向与原有路径方向相反；用户终端在第二预设时间段内的移动方向偏离原有路径方向；用户终端变更移动目的地；用户终端在第三预设时间段内的速率发生改变。
在上述实施例中，在网络侧根据最后一次接收到的用户终端的位置更新信息估算出用户终端所在的第一小区时，在网络侧接收到用户终端的位置更新信息之前，网络侧基于速度设置多个位置更新类型，多个位置更新类型包括：为速度在第一预设范围(即一般速度)内的终端设置的小区级别位置更新、为速度在第二预设范围(即中等速度)内的终端设置的小区组级别位置更新以及为速度在第三预设范围(即高速)内的终端设置的RAN级别位置更新，其中，第二预设范围的速度极小值不小于第一预设范围的速度极大值，第三预设范围的速度极小值不小于第二预设范围的速度极大值；网络侧将多个位置更新类型通知给用户终端。
需要说明的是，在网络侧将多个位置更新类型通知给用户终端时，网络侧通过如下信息中的至少之一发送多个位置更新类型：系统消息；悬挂消息；无线资源控制连接释放消息。
可选地，在网络侧将多个位置更新类型通知给用户终端之后，若用户终端的当前速度在第一预设范围内，则用户终端选择小区级别位置更新；若用户终端的当前速度在第二预设范围内，则用户终端选择小区组级别位置更新；若用户终端的当前速度在第三预设范围内，则用户终端选择RAN级别位置更新。
在步骤S501中，网络侧根据最后一次接收到的用户终端的终端状态信息、位置更新信息至少之一估算出用户终端所在的第一小区包括：若用户终端的位置更新类型为小区级别位置更新，网络侧则根据位置更新信息上报的当前位置确定第一小区；或者，网络侧则根据位置更新信息和用户终端的当前速度确定第一小区；若用户终端的位置更新类型为小区组级别位置更新，网络侧则根据位置更新信息和用户终端的当前速度确定第一小区；若用户终端的位置更新类型为RAN级别位置更新，网络侧则根据位置更新信息、用户终端的当前速度以及用户终端的移动路径轨迹确定第一小区。
下面根据位置更新类型详述本申请的实施例：
在用户终端的位置更新类型为小区级别位置更新时，由于移动速度较慢，可假设该终端还在最新更新的位置区域，因而就以最新位置更新的小区为寻呼区域。
另外，接收到的最新的位置更新信息可能是慢速的用户终端在小区边缘发送的，因此，在用户终端的位置更新类型为小区级别位置更新时，网络侧根据位置更新信息和用户终端的当前速度确定第一小区包括：网络侧获取时间差值和位置更新信息中的当前位置，其中，时间差值为位置更新信息与下行数据消息的接收时间之间的差值；网络侧根据时间差值和当前速度确定用户终端的移动距离；网络侧根据当前位置和移动距离确定用户终端在时间差值内能够到达的第一小区。
在网络侧根据估算出的第一小区确定用户终端的寻呼区域时，网络侧确定第一小区与当前位置所指示的小区的相邻级别；网络侧获取与相邻级别对应的N级相邻小区，其中，N级相邻小区为与当前位置所指示的小区的相邻级别为N的多个小区，N为正整数；网络侧将N级相邻小区作为用户终端的寻呼区域。
需要说明的是，在网络侧获取到的与相邻级别对应的N级相邻小区中，在N等于1时，一级相邻小区是指与当前位置所指示的小区相邻的且不是服务小区的小区；在N不等于1时，N级相邻小区是指与(N-1)级相邻小区相邻的且不是服务小区的小区。
如，以最新位置更新中的位置信息作起点，确定下行数据到达距离位置最新更新的时间差，然后与终端移动速度相乘确定终端移动距离，最后通过起始点距离、移动距离和移动轨迹粗略判决终端可能移动到哪一个小区，然后以这个可能的移动小区、终端历史移动小区为移动寻呼区域。
在用户终端的位置更新类型为小区组级别位置更新时，网络侧根据位置更新信息和用户终端的当前速度确定第一小区包括：网络侧获取时间差值和位置更新信息中的当前位置，其中，时间差值为位置更新信息与下行数据消息的接收时间之间的差值；网络侧根据时间差值和当前速度确定用户终端的移动距离；网络侧根据当前位置和移动距离确定用户终端在时间差值内能够到达的第一小区。
在网络侧根据估算出的第一小区确定用户终端的寻呼区域时，网络侧确定第一小区与当前位置所指示的小区的相邻级别；网络侧获取与相邻级别对应的N级相邻小区，其中，N级相邻小区为与当前位置所指示的小区的相邻级别为N的多个小区，N为正整数；网络侧将N级相邻小区作为用户终端的寻呼区域。
以最新位置更新中的位置信息作起点，确定下行数据到达距离位置最新更新的时间差，然后与终端移动速度相乘确定终端移动距离，最后通过起始点距离和移动距离粗略判决终端可能移动到那一个小区，然后判断这个小区是几级相邻小区，比如是一级相邻，然后以所有与最新更新位置小区的一级相邻的小区组成寻呼区域。
在用户终端的位置更新类型为RAN级别位置更新，网络侧根据位置更新信息、用户终端的当前速度以及用户终端的移动路径轨迹确定第一小区，网络侧获取时间差值和位置更新信息中的当前位置，其中，时间差值为位置更新信息与下行数据消息的接收时间之间的差值；网络侧根据时间差值和当前速度确定用户终端的移动距离；网络侧根据当前位置、移动距离以及移动路径轨迹确定用户终端在时间差值内到达的第一小区；然后网络侧将第一小区的一级相邻小区、二级相邻小区至少之一作为用户终端的寻呼区域。
当高速终端的下行数据到达的时候，网络侧根据终端的状态判别该终端是高速移动终端，根据一定算法估算高速终端的寻呼区域。示例性地，以最新位置更新中的位置信息作起点，确定下行数据到达距离位置最新更新的时间差，然后与终端移动速度相乘确定终端移动距离，最后通过起始点距离、移动距离以及高速移动路径轨迹粗略判决终端可能移动到哪一个小区，最后以这个小区的一级相邻小区、二级相邻小区至少之一作为寻呼区域。
需要说明的是，与服务小区相邻的小区为一级相邻小区，与一级小区相邻的不是服务小区的为该服务小区的二级相邻小区，以此类推。
为了方便描述，以下实施方式中，3GPP系统可以是LTE系统，或者增强性LTE系统，或者5G的新系统，这里以LTE接入网侧网元以eNB为例，核心网以CN(Core Network， 核心网)为例，其中CN包含MME和S-GW(Serving Gateway，服务网关)。
实施方式1
如图6所示：
步骤S601，eNB通过下行消息(如下行的系统信息，System Information)下发不同的终端的状态的位置更新配置。
步骤S602，空闲态的终端通过上行消息上报终端状态、位置更新至少之一给CN。
上报的信息中包括：终端从小区1移动到小区2；终端从静止状态变化为低速移动状态。这里的上行消息可以是非接入层的消息，比如位置更新消息，或者是一个新的消息。
步骤S603，该终端下行数据到达CN侧，CN根据终端状态设置估算终端的活动范围，根据终端活动范围进一步确定该终端的寻呼区域。
对于移动速度慢的终端，CN估算终端的位置时采用方案一：如果设置该终端为小区级别的位置更新，就以最新位置更新的小区为寻呼区域，当低速终端的下行数据到达的时候，网络侧根据终端的状态判别该终端是低速移动终端，因为是小区级别位置更新，确定该终端还在最新更新的位置区域，因而以最新位置更新的小区为寻呼区域。CN估算终端的位置也可采用方案二：如果设置该终端的位置更新为追踪列表或者小区列表，可基于算法估算出用户终端UE的位置，如图7(图7中Cell表示小区)，当以最新位置更新中的位置小区1作起点，确定下行数据到达距离位置最新更新的时间差，然后与终端移动速度相乘确定终端移动距离，最后通过起始点距离、移动距离粗略和终端上报的移动轨迹方向判决终端可能移动到小区4。然后对终端估算出来的位置即小区4、终端上报的历史移动位置信息中的小区6和7至少之一对该终端进行寻呼。
对于移动速度中等的终端，CN设置该终端小区组级别的位置更新，当中速终端的下行数据到达的时候，网络侧根据终端的状态判别该终端是中速移动终端，根据算法估算中速终端的寻呼区域，如图7所示，以最新位置更新中的位置小区1作起点，确定下行数据到达距离位置最新更新的时间差，然后与终端移动速度相乘确定终端移动距离，最后通过起始点距离和移动距离粗略判决终端可能移动到小区4，然后判断这个小区4是小区1的一级相邻，然后以所有与小区1的一级相邻的小区组成寻呼区域，小区2、小区3、小区4、小区5、小区6、小区7，组成了寻呼区域。
对于移动速度高的，当高速终端的下行数据到达的时候，网络侧根据终端的状态判别该终端是高速移动终端，根据算法估算高速终端的寻呼区域，如图8(图8中的Cell表示小区)所示，当以最新位置更新中的位置小区20作起点，确定下行数据到达距离位置最新更新的时间差，然后与用户终端UE的移动速度相乘确定终端移动距离，最后通过起始点距离、移动距离以及高速移动预定路径轨迹粗略判决终端可能移动到小区1，最后以这个小区1的一级相邻小区、二级相邻小区至少之一作为寻呼区域。
上述的高速移动预定路径轨迹就是高速载体在特定轨迹上移动到目的地可能经过的小区的列表组成，如图8(包括小区19、小区17、小区1、小区4、小区14)所示。
步骤S604，CN根据确定的寻呼区域对该终端发起寻呼。
实施方式2
如图9所示：
步骤S901，eNB通过下行消息下发不同的终端的状态的位置更新配置。
步骤S902，连接非激活态的终端UE通过上行消息上报终端状态、位置更新至少之一给eNB。
上述的终端可以为低速的移动状态，这里上行消息可以是接入层的消息，比如恢复消息，或者是一个新的消息。
步骤S903，该终端下行数据到达eNB侧，eNB根据终端状态设置估算终端的活动范围，根据终端活动范围进一步确定该终端的寻呼区域。
对于移动速度慢的终端，eNB设置该终端为小区级别的位置更新，对于小区级别位置更新，当低速终端的下行数据到达的时候，网络侧根据终端的状态判别该终端是低速移动终端，因为是小区级别位置更新，确定该终端还在最新更新的位置区域。因而就以最新位置更新的小区为寻呼区域。
对于移动速度中等的终端，CN设置该终端小区组级别的位置更新，当中速终端的下行数据到达的时候，网络侧根据终端的状态判别该终端是中速移动终端，根据算法估算中速终端的寻呼区域，如图7所示，以最新位置更新中的位置小区1作起点，确定下行数据到达距离位置最新更新的时间差，然后与终端移动速度相乘确定终端移动距离，最后通过起始点距离和移动距离粗略判决终端可能移动到小区4，然后判断这个小区4是小区1的一级相邻，然后以所有与小区1的一级相邻的小区组成寻呼区域，小区2、小区3、小区4、小区5、小区6、小区7，组成了寻呼区域。
对于移动速度高的，可以设置RAN级别的位置更新。当高速终端的下行数据到达的时候，网络侧根据终端的状态判别该终端是高速移动终端，根据一定算法估算高速终端的寻呼区域。如，以图8中的最新位置更新中的位置小区1作起点，确定下行数据到达距离位置最新更新的时间差，然后与终端移动速度相乘确定终端移动距离，最后通过起始点距离、移动距离以及高速移动预定路径轨迹粗略判决终端可能移动到小区9，最后以这个小区9的一级相邻小区、二级相邻小区至少之一作为寻呼区域。
步骤S904，eNB根据确定的寻呼区域对该终端发起寻呼。
实施方式3
如图10所示：
步骤S1001，网络侧的eNB通过下行消息下发终端状态上报触发事件的条件给终端UE。
上述的终端上报终端状态可以由以下之一或者多个触发事件组成：
在一定时间内保持的终端移动方向与原有路径方向相反；
在一定时间内保持的终端移动方向偏离原有路径方向；
终端给定新的移动目的地址；
在一定时间内终端的速率发生了改变。
步骤S1002，终端判决自己具备终端上报能力，空闲态终的端判断出自己状态发生改变。
步骤S1003，触发上行消息告知网络侧终端状态的变化信息。
空闲态终端发现移动速度发生变化，比如从中速变为高速，上报终端状态报告给CN，终端状态的变化信息，即终端的移动速度为高速。
步骤S1004，连接非激活态的终端判断出自己状态发生改变。
步骤S1005，触发上行消息告知网络侧终端状态的变化信息。
连接非激活态的终端发现本身的路径方向与原有路径方向相反，上报终端状态报告给RAN，上报的消息中包含该终端的路径方向变化，即路径方向为原来的反向。
该上行消息可以为位置更新消息，也可以为一个新的消息，比如终端状态更新消息。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到根据上述实施例的方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本公开的技术方案本质上或者说对相关技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端设备(可以是手机，计算机，服务器，或者网络设备等)执行本公开各个实施例所述的方法。
实施例2
本公开实施例中还提供了一种寻呼区域的确定装置。该装置设置为实现上述实施例及优选实施方式，已经进行过说明的不再赘述。如以下所使用的，术语“模块”可以实现预定功能的软件、硬件至少之一的组合。尽管以下实施例所描述的装置较佳地以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图11是根据本公开实施例的寻呼区域的确定装置的示意图。如图11所示，该装置可以包括：处理单元111和确定单元112。
处理单元111，设置为当接收到发给用户终端的下行数据消息时，根据最后一次接收到的用户终端的终端状态信息、位置更新信息至少之一估算出用户终端所在的第一小区。
确定单元112，设置为根据估算出的第一小区确定用户终端的寻呼区域。
通过上述实施例，处理单元当接收到发给用户终端的下行数据消息时，根据最后一次接收到的用户终端的终端状态信息、位置更新信息至少之一估算出用户终端所在的第一小区；确定单元根据估算出的第一小区确定用户终端的寻呼区域，从而解决了相关技术中基于基站列表或者小区列表进行寻呼时的寻呼负荷较高的技术问题，实现了降低寻呼负荷的技术效果。
可选地，上述的下行数据消息可以为系统消息；用户终端的终端状态信息包括以下至少之一：用户终端的当前速度；用户终端的支持业务；用户终端的无线网络连接状态；用户终端的无线接入能力；上述的移动终端支持的业务包括：窄带物联网业务、超可靠低时延业务、增强型移动宽带业务等；用户终端的无线网络连接状态可以分为：空闲态、连接非激活态；用户终端支持的无线接入能力包含：支持频段、带宽、信道等；位置更新信息包含终端移动经过的小区、以及每个小区的停留时间等。
需要说明的是，在网络侧接收用户终端的终端状态信息之前，触发用户终端上报终端状态信息的条件包括以下至少之一：用户终端在第一预设时间段内的移动方向与原有路径方向相反；用户终端在第二预设时间段内的移动方向偏离原有路径方向；用户终端变更移动目的地；用户终端在第三预设时间段内的速率发生改变。
可选地，该装置还包括：设置单元，设置为在接收到用户终端的位置更新信息之前，基于速度设置多个位置更新类型，多个位置更新类型包括：为速度在第一预设范围内的终端设置的小区级别位置更新、为速度在第二预设范围内的终端设置的小区组级别位置更新以及为速度在第三预设范围内的终端设置的RAN级别位置更新，其中，第二预设范围的速度极小值不小于第一预设范围的速度极大值，第三预设范围的速度极小值不小于第二预设范围的速度极大值；通知单元，设置为将多个位置更新类型通知给用户终端。
在一个可选的实施例中，通知单元在将多个位置更新类型通知给用户终端时，通过如下信息中的至少之一发送多个位置更新类型：系统消息；悬挂消息；无线资源控制连接释放消息。
在另一个可选的实施例中，处理单元包括：估算模块，设置为估算出的第一小区确定用户终端的寻呼区域包括第一确定模块，设置为在用户终端的位置更新类型为小区级别位置更新的情况下，根据位置更新信息上报的当前位置确定第一小区；第二确定模块，设置为在用户终端的位置更新类型为小区组级别位置更新或小区级别位置更新的情况下，根据位置更新信息和用户终端的当前速度确定第一小区；第三确定模块，设置为在用户终端的位置更新类型为RAN级别位置更新的情况下，根据位置更新信息、用户终端的当前速度以及用户终端的移动路径轨迹确定第一小区。
示例性地，第二确定模块包括：第一获取子模块，设置为获取时间差值和位置更新信息中的当前位置，其中，时间差值为位置更新信息与下行数据消息的接收时间之间的差值；第一确定子模块，设置为根据时间差值和当前速度确定用户终端的移动距离；第二确定子模块，设置为根据当前位置和移动距离确定用户终端在时间差值内能够到达的第一小区。
可选地，第三确定模块包括：第二获取子模块，设置为获取时间差值和位置更新信息中的当前位置，其中，时间差值为位置更新信息与下行数据消息的接收时间之间的差值；第三确定子模块，设置为根据时间差值和当前速度确定用户终端的移动距离；第四确定子模块，设置为根据当前位置、移动距离以及移动路径轨迹确定用户终端在时间差值内到达的第一小区。
可选地，确定单元包括：第四确定模块，设置为在用户终端的位置更新类型为小区级别位置更新的情况下，将第一小区作为用户终端的寻呼区域；第五确定模块，设置为在用户终端的位置更新类型为小区组级别位置更新或小区级别位置更新的情况下，将基于相邻级别确定的多个小区作为用户终端的寻呼区域，其中，相邻级别设置为描述第一小区与当前位置所指示的小区的相邻程度；第六确定模块，设置为在用户终端的位置更新类型为RAN级别位置更新的情况下，将第一小区的一级相邻小区、二级相邻小区至少之一作为用户终端的寻呼区域。
可选地，第五确定模块包括：第五确定子模块，设置为确定第一小区与当前位置所指示的小区的相邻级别；第三获取子模块，设置为获取与相邻级别对应的N级相邻小区，其中，N级相邻小区为与当前位置所指示的小区的相邻级别为N的多个小区，N为正整数；第一处理子模块，设置为将N级相邻小区作为用户终端的寻呼区域。
可选地，在第三获取子模块获取到的与相邻级别对应的N级相邻小区中，在N等于1时，一级相邻小区是指与当前位置所指示的小区相邻的且不是服务小区的小区；在N不等于1时，N级相邻小区是指与(N-1)级相邻小区相邻的且不是服务小区的小区。
需要说明的是，上述各个模块是可以通过软件或硬件来实现的，对于后者，可以通过以下方式实现，但不限于此：上述模块均位于同一处理器中；或者，上述各个模块以任意组合的形式分别位于不同的处理器中。
实施例3
本公开的实施例还提供了一种存储介质。可选地，在本实施例中，上述存储介质可以被设置为存储设置为执行以下步骤的程序代码：
S1，当接收到发给用户终端的下行数据消息时，根据最后一次接收到的用户终端的终端状态信息、位置更新信息至少之一估算出用户终端所在的第一小区；
S2，根据估算出的第一小区确定用户终端的寻呼区域。
可选地，在本实施例中，上述存储介质可以包括但不限于：U盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、移动硬盘、磁碟或者光盘等各种可以存储程序代码的介质。
可选地，在本实施例中，处理器根据存储介质中已存储的程序代码执行：当接收到发给用户终端的下行数据消息时，根据最后一次接收到的用户终端的终端状态信息、位置更新信息至少之一估算出用户终端所在的第一小区；根据估算出的第一小区确定用户终端的寻呼区域。
可选地，本实施例中的示例可以参考上述实施例及可选实施方式中所描述的示例，本实施例在此不再赘述。
显然，本领域的技术人员应该明白，上述的本公开的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在 存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本公开不限制于任何特定的硬件和软件结合。
以上所述仅为本公开的优选实施例而已，并不用于限制本公开，对于本领域的技术人员来说，本公开可以有各种更改和变化。凡在本公开的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本公开的保护范围之内。
工业实用性
本公开实施例提供的寻呼区域的确定方法，通过在接收到发给用户终端的下行数据消息时，网络侧根据最后一次接收到的用户终端的终端状态信息、位置更新信息至少之一估算出用户终端所在的第一小区，再根据估算出的第一小区确定用户终端的寻呼区域，解决了相关技术中基于基站列表或者小区列表进行寻呼时的寻呼负荷较高的技术问题，实现了降低寻呼负荷的技术效果。

Claims (18)

  1. 一种寻呼区域的确定方法，其中，包括：
    当接收到发给用户终端的下行数据消息时，网络侧根据最后一次接收到的所述用户终端的终端状态信息、位置更新信息至少之一估算出所述用户终端所在的第一小区；
    所述网络侧根据估算出的所述第一小区确定所述用户终端的寻呼区域。
  2. 根据权利要求1所述的方法，其中，所述用户终端的终端状态信息包括以下至少之一：
    所述用户终端的当前速度；所述用户终端的支持业务；所述用户终端的无线网络连接状态；所述用户终端的无线接入能力。
  3. 根据权利要求1或2所述的方法，其中，在所述网络侧接收到所述用户终端的位置更新信息之前，所述方法还包括：
    所述网络侧基于速度设置多个位置更新类型，所述多个位置更新类型包括：为速度在第一预设范围内的终端设置的小区级别位置更新、为速度在第二预设范围内的终端设置的小区组级别位置更新以及为速度在第三预设范围内的终端设置的无线接入网RAN级别位置更新，其中，所述第二预设范围的速度极小值不小于所述第一预设范围的速度极大值，所述第三预设范围的速度极小值不小于所述第二预设范围的速度极大值；
    所述网络侧将所述多个位置更新类型通知给所述用户终端。
  4. 根据权利要求3所述的方法，其中，在所述网络侧将所述多个位置更新类型通知给所述用户终端时，所述网络侧通过如下信息中的至少之一发送所述多个位置更新类型：
    系统消息；悬挂消息；无线资源控制连接释放消息。
  5. 根据权利要求3所述的方法，其中，所述网络侧将所述多个位置更新类型通知给所述用户终端包括：
    所述网络侧将所述小区级别位置更新、所述小区组级别位置更新以及所述RAN级别位置更新通知给所述用户终端。
  6. 根据权利要求3所述的方法，其中，网络侧根据最后一次接收到的所述用户终端的终端状态信息、位置更新信息至少之一估算出所述用户终端所在的第一小区包括：
    确定所述用户终端的位置更新类型为所述小区级别位置更新时，所述网络侧则根据所述位置更新信息上报的当前位置确定所述第一小区；或者，所述网络侧则根据所述位置更新信息和所述用户终端的当前速度确定所述第一小区；
    确定所述用户终端的位置更新类型为所述小区组级别位置更新时，所述网络侧则根据所述位置更新信息和所述用户终端的当前速度确定所述第一小区；
    确定所述用户终端的位置更新类型为所述RAN级别位置更新时，所述网络侧则根据所述位置更新信息、所述用户终端的当前速度以及所述用户终端的移动路径轨迹确定所述第一小区。
  7. 根据权利要求6所述的方法，其中，所述网络侧则根据所述位置更新信息和所述用户终端的当前速度确定所述第一小区包括：
    所述网络侧获取时间差值和所述位置更新信息中的当前位置，其中，所述时间差值为所述位置更新信息与所述下行数据消息的接收时间之间的差值；
    所述网络侧根据所述时间差值和所述当前速度确定所述用户终端的移动距离；
    所述网络侧根据所述当前位置和所述移动距离确定所述用户终端在所述时间差值内能够到达的所述第一小区。
  8. 根据权利要求6所述的方法，其中，所述网络侧则根据所述位置更新信息、所述用户终端的当前速度以及所述用户终端的移动路径轨迹确定所述第一小区包括：
    所述网络侧获取时间差值和所述位置更新信息中的当前位置，其中，所述时间差值为所述位置更新信息与所述下行数据消息的接收时间之间的差值；
    所述网络侧根据所述时间差值和所述当前速度确定所述用户终端的移动距离；
    所述网络侧根据所述当前位置、所述移动距离以及所述移动路径轨迹确定所述用户终端在所述时间差值内到达的所述第一小区。
  9. 根据权利要求8所述的方法，其中，所述网络侧根据估算出的所述第一小区确定所述用户终端的寻呼区域包括：
    在所述用户终端的位置更新类型为小区级别位置更新的情况下，所述网络侧将所述第一小区作为所述用户终端的寻呼区域，或者，所述网络侧将基于相邻级别确定的多个小区作为所述用户终端的寻呼区域，其中，所述相邻级别用于描述所述第一小区与所述当前位置所指示的小区的相邻程度；
    在所述用户终端的位置更新类型为小区组级别位置更新的情况下，所述网络侧将基于所述相邻级别确定的多个小区作为所述用户终端的寻呼区域；
    在所述用户终端的位置更新类型为RAN级别位置更新的情况下，所述网络侧将所述第一小区的一级相邻小区、二级相邻小区至少之一作为所述用户终端的寻呼区域。
  10. 根据权利要求9所述的方法，其中，所述网络侧将基于所述相邻级别确定的多个小区作为所述用户终端的寻呼区域包括：
    所述网络侧确定所述第一小区与所述当前位置所指示的小区的相邻级别；
    所述网络侧获取与所述相邻级别对应的N级相邻小区，其中，所述N级相邻小区为与所述当前位置所指示的小区的相邻级别为N的所述多个小区，N为正整数；
    所述网络侧将所述N级相邻小区作为所述用户终端的寻呼区域。
  11. 根据权利要求10所述的方法，其中，在所述网络侧获取到的与所述相邻级别对应的N级相邻小区中，
    在N等于1时，一级相邻小区是指与所述当前位置所指示的小区相邻的且不是服务小区的小区；
    在N不等于1时，所述N级相邻小区是指与(N-1)级相邻小区相邻的且不是服务小 区的小区。
  12. 根据权利要求1或2所述的方法，其中，所述网络侧接收所述用户终端的终端状态信息包括：
    所述网络侧接收所述用户终端在满足预设条件时发送的所述终端状态信息；
    其中，所述预设条件为触发所述用户终端发送所述终端状态信息的条件，所述预设条件包括以下至少之一：所述用户终端在第一预设时间段内的移动方向与原有路径方向相反；所述用户终端在第二预设时间段内的移动方向偏离原有路径方向；所述用户终端变更移动目的地；所述用户终端在第三预设时间段内的速率发生改变。
  13. 根据权利要求1所述的方法，其中，所述用户终端的位置更新信息包括：
    所述用户终端所经过的小区；
    所述用户终端在每个经过的小区的停留时间。
  14. 根据权利要求6所述的方法，其中，所述用户终端具备终端状态信息的上报功能，所述用户终端的上报功能包括：
    空闲态的所述用户终端上报所述终端状态信息给核心网CN；
    连接非激活态的所述用户终端上报所述终端状态信息给RAN；
    在所述用户终端状态发生变化时，通过所述终端状态信息上报发生变化的信息。
  15. 一种寻呼区域的确定装置，其中，包括：
    处理单元，设置为当接收到发给用户终端的下行数据消息时，根据最后一次接收到的所述用户终端的终端状态信息、位置更新信息至少之一估算出所述用户终端所在的第一小区；
    确定单元，设置为根据估算出的所述第一小区确定所述用户终端的寻呼区域。
  16. 根据权利要求15所述的装置，其中，所述用户终端的终端状态信息包括以下至少之一：
    所述用户终端的当前速度；所述用户终端的支持业务；所述用户终端的无线网络连接状态；所述用户终端的无线接入能力。
  17. 根据权利要求15或16所述的装置，其中，所述装置还包括：
    设置单元，设置为在接收到所述用户终端的位置更新信息之前，基于速度设置多个位置更新类型，所述多个位置更新类型包括：为速度在第一预设范围内的终端设置的小区级别位置更新、为速度在第二预设范围内的终端设置的小区组级别位置更新以及为速度在第三预设范围内的终端设置的无线接入网RAN级别位置更新，其中，所述第二预设范围的速度极小值不小于所述第一预设范围的速度极大值，所述第三预设范围的速度极小值不小于所述第二预设范围的速度极大值；
    通知单元，设置为将所述多个位置更新类型通知给所述用户终端。
  18. 一种存储介质，设置为存储程序代码，所述程序代码用于执行权利要求1至14中任一项所述的方法。
PCT/CN2017/105994 2016-10-13 2017-10-13 寻呼区域的确定方法和装置 WO2018068752A1 (zh)

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CN109803372A (zh) * 2018-12-21 2019-05-24 努比亚技术有限公司 一种来电呼叫方法、响应方法及终端、存储介质
CN112437393B (zh) * 2019-08-07 2022-05-31 大唐移动通信设备有限公司 一种可达性区域配置方法、设备及装置
CN116250303A (zh) 2020-07-21 2023-06-09 苹果公司 在用户装备处的寻呼错误警报缓解
CN116210282A (zh) * 2020-07-21 2023-06-02 苹果公司 基于网络的寻呼错误警报减轻
CN113784286B (zh) * 2021-09-14 2023-10-03 阿里巴巴达摩院(杭州)科技有限公司 寻呼方法、设备、存储介质和通信系统
CN113973265B (zh) * 2021-10-26 2023-06-13 中国联合网络通信集团有限公司 用户终端的管理方法、装置、设备、系统及存储介质
CN114286367A (zh) * 2021-12-24 2022-04-05 中国电信股份有限公司 寻呼区的构建方法及装置、可读存储介质、电子设备
CN117177360A (zh) * 2022-05-25 2023-12-05 华为技术有限公司 一种寻呼方法及通信装置
WO2024065353A1 (en) * 2022-09-29 2024-04-04 Nokia Shanghai Bell Co., Ltd. Coverage window update due to user equipment movement within tracking area

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