WO2018176230A1 - Procédé et appareil de mise à jour d'une zone de notification - Google Patents

Procédé et appareil de mise à jour d'une zone de notification Download PDF

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Publication number
WO2018176230A1
WO2018176230A1 PCT/CN2017/078454 CN2017078454W WO2018176230A1 WO 2018176230 A1 WO2018176230 A1 WO 2018176230A1 CN 2017078454 W CN2017078454 W CN 2017078454W WO 2018176230 A1 WO2018176230 A1 WO 2018176230A1
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WO
WIPO (PCT)
Prior art keywords
cell identifier
cell
identifier
base station
notification area
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PCT/CN2017/078454
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English (en)
Chinese (zh)
Inventor
江小威
Original Assignee
北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to CN201780000158.0A priority Critical patent/CN107223349B/zh
Priority to PCT/CN2017/078454 priority patent/WO2018176230A1/fr
Publication of WO2018176230A1 publication Critical patent/WO2018176230A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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
    • 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
    • H04W68/06—User notification, e.g. alerting and paging, for incoming communication, change of service or the like using multi-step notification by changing the notification area

Definitions

  • the present disclosure relates to the field of wireless communications, and in particular, to a method and an apparatus for updating a notification area.
  • the inactive state is introduced in the 5G technology.
  • the UE User Equipment
  • the small data packet refers to The data packet is smaller than the preset size, that is, the UE can directly send and receive data packets in the inactive state without entering the connected state, thereby reducing the power consumption of the UE and saving The signaling overhead.
  • the 5G technology requires the base station to know the notification area in which the UE is in the inactive state. However, because the UE has the mobile feature, the notification area of the UE may be changed. When the notification area where the UE is located changes, it is necessary to update the notification area in which it is located.
  • the present disclosure provides a method and apparatus for updating the notification area.
  • a method for updating a notification area comprising:
  • the cell identifier list When in an inactive state, determining, according to the stored cell identifier list, a first cell identifier that is currently performing the notification area update, where the cell identifier list stores multiple cell identifiers and current cell strength of the cell corresponding to each cell identifier. ;
  • the determining, according to the stored cell identifier list, the first cell identifier that is currently performing the notification area update including:
  • the second cell identifier When the second cell identifier is detected, and the second cell identifier is different from the area identifier of the currently located notification area, determining whether the second cell identifier exists in the cell identifier list;
  • the selected cell identity is determined as the first cell identity currently performing the notification zone update.
  • the method further includes:
  • the second cell identifier When the second cell identifier does not exist in the cell identifier list, determining whether the signal strength of the cell corresponding to the second cell identifier is greater than or equal to a preset strength threshold, and determining a cell corresponding to the second cell identifier Whether the signal strength is greater than the signal strength of the cell corresponding to each cell identifier in the cell identifier list;
  • the signal strength of the cell corresponding to the second cell identifier is greater than or equal to the preset strength threshold, and the signal strength of the cell corresponding to the second cell identifier is greater than the cell corresponding to each cell identifier in the cell identifier list.
  • the second cell identifier is determined as the first cell identifier currently performing the notification area update.
  • the determining, according to the stored cell identifier list, the first cell identifier that is currently performing the notification area update including:
  • the cell identifier with the highest signal strength is selected from the cell identifier list;
  • the selected cell identity is determined as the first cell identity currently performing the notification zone update.
  • the method before the determining, by using the stored cell identifier list, the first cell identifier that is currently being updated by the notification area, the method further includes:
  • the cell identifier list that is broadcast by the base station, where the multiple cell identifiers stored in the cell identifier list are identifiers of all cells in the base station;
  • the base station Receiving, by the base station, the cell identifier list configured by the UE, where the multiple cell identifiers stored in the cell identifier list are identifiers of cells selected by the base station from all the cells.
  • the method further includes:
  • the method further includes:
  • the context of the UE is deleted, and the inactive state is switched to the idle state.
  • the method further includes:
  • the context of the UE is deleted, and the inactive state is switched to the idle state.
  • the method further includes:
  • the user equipment UE And receiving, by the user equipment UE, a first notification area update request, where the first notification area update request carries a first cell identifier and a base station identifier of the visited base station when the notification area update is performed last time, where the first cell identifier is The cell identifier currently being updated by the notification area;
  • the method further includes:
  • the UE And receiving, by the UE, a second notification area update request, where the second notification area update request carries a third cell identifier and a base station identifier of the visited base station when the notification area update is performed last time, where the third cell identifier is Determining, by the UE, a cell identifier selected from the recommended identifier list according to a preset reselection rule;
  • the method before the sending the permission update notification to the UE based on the context of the UE and the first cell identifier, the method further includes:
  • the method further includes:
  • the specified signaling is sent to the UE, where the designated signaling carries the fourth cell identifier of the current notification area.
  • the specified signaling is used to instruct the UE to update the notification area to the cell corresponding to the fourth cell identifier.
  • an apparatus for updating a notification area comprising:
  • a first determining module configured to determine, according to the stored cell identifier list, a first cell identifier that is currently performing notification area update, where the cell identifier list is stored in a plurality of small The area identifier and the current signal strength of the cell corresponding to each cell identifier;
  • a first sending module configured to send a first notification area update request to the base station, where the first notification area update request carries the first cell identifier and a base station identifier of the visited base station when the notification area update was last performed;
  • the first update module is configured to receive an allow update notification sent by the base station, and update the notification area to a cell corresponding to the first cell identifier.
  • the first determining module includes:
  • a first determining sub-module configured to: when the second cell identifier is detected, and the second cell identifier is different from the area identifier of the currently located notification area, determining whether the second cell exists in the cell identifier list Identification
  • a first selection submodule configured to: when the second cell identifier exists in the cell identifier list, select a cell identifier with the highest signal strength from the cell identifier list;
  • the first determining submodule is configured to determine the selected cell identifier as the first cell identifier that is currently performing the notification area update.
  • the first determining module further includes:
  • a second determining sub-module configured to determine, when the second cell identifier does not exist in the cell identifier list, whether the signal strength of the cell corresponding to the second cell identifier is greater than or equal to a preset strength threshold, and determining a location Whether the signal strength of the cell corresponding to the second cell identifier is greater than the signal strength of the cell corresponding to each cell identifier in the cell identifier list;
  • a second determining submodule configured to: when a signal strength of the cell corresponding to the second cell identifier is greater than or equal to a preset strength threshold, and a signal strength of the cell corresponding to the second cell identifier is greater than that in the cell identifier list When each cell identifies the signal strength of the corresponding cell, the second cell identifier is determined as the first cell identifier currently performing the notification area update.
  • the first determining module includes:
  • a second selection submodule configured to: when the update time of the configured periodic update notification area arrives, select a cell identifier with the highest signal strength from the cell identifier list;
  • a third determining submodule configured to determine the selected cell identifier as the first cell identifier that is currently performing the notification area update.
  • the device further includes:
  • a first receiving module configured to receive, in a currently located cell, the cell identifier list that is broadcast by the base station, where the multiple cell identifiers stored in the cell identifier list are all small Area identification;
  • a second receiving module configured to receive the cell identifier list configured by the base station for the UE, where the multiple cell identifiers stored in the cell identifier list are cells selected by the base station from all the cells logo.
  • the device further includes:
  • a third receiving module configured to receive a rejection update notification sent by the base station, where the rejection update notification carries a rejection update reason and a suggestion identifier list, where the recommended identifier list stores the UE suggesting that the UE perform a notification area update Cell identity;
  • a second determining module configured to select a cell identifier from the recommended identifier list according to a preset reselection rule, and determine the selected cell identifier as a third cell identifier
  • a second sending module configured to send a second notification area update request to the base station, where the second notification area update request carries the third cell identifier and a base station identifier of the visited base station when the notification area is updated last time;
  • a triggering module configured to: when the receiving the rejection update notification sent by the base station is received again, triggering the second determining module to select a cell identifier from the suggested identifier list according to a preset reselection rule, and selecting the selected cell identifier Determined as the third cell identifier.
  • the device further includes:
  • a statistics module configured to count the number of times the second notification area update request is sent
  • a first switching module configured to delete a context of the UE when the number of transmissions is greater than or equal to a preset number of times, and switch from the inactive state to an idle state.
  • the device further includes:
  • a second switching module configured to delete a context of the UE when the update of the notification area is not performed within a specified duration after the update of the notification area, and switch from the inactive state to an idle state .
  • the device further includes:
  • a fourth receiving module configured to receive the specified signaling, where the specified signaling carries a fourth cell identifier that is currently updated by the notification area;
  • a second update module configured to update the notification area to a cell corresponding to the fourth cell identifier.
  • an apparatus for updating a notification area comprising:
  • a first receiving module configured to receive a first notification area update request sent by the user equipment UE, where the first notification area update request carries a first cell identifier and a base station identifier of the accessed base station when the notification area is updated last time,
  • the first cell identifier is a cell identifier that is currently updated by the notification area;
  • a first acquiring module configured to acquire a context of the UE from a base station corresponding to the base station identifier when the identifier of the base station is different from the identifier of the base station;
  • a first sending module configured to send an allow update notification to the UE based on a context of the UE and the first cell identifier, where the allow notification update is used to instruct the UE to perform a notification area based on the first cell identifier Update.
  • the device further includes:
  • a second sending module configured to send a reject update notification to the UE based on a context of the UE and the first cell identifier, where the reject update notification carries a list of rejected update causes and a suggested identifier, where the recommended identifier list is stored There is a cell identifier that suggests that the UE perform a notification area update;
  • a second receiving module configured to receive a second notification area update request sent by the UE, where the second notification area update request carries a third cell identifier and a base station identifier of the visited base station when the notification area is updated last time, where
  • the third cell identifier is a cell identifier selected by the UE from the recommended identifier list according to a preset reselection rule;
  • a second acquiring module configured to acquire a context of the UE from a base station corresponding to the base station identifier, when the identifier of the base station is different from the identifier of the base station;
  • a triggering module configured to send the reject update notification to the UE according to the context of the UE and the third cell identifier, and trigger the second receiving module to receive a second notification area update request sent by the UE.
  • the device further includes:
  • a first determining module configured to: when the number of UEs currently accessed by the cell corresponding to the first cell identifier is greater than or equal to a preset number, determine to send a rejection update notification to the UE, otherwise, determine to send to the UE Allow update notifications;
  • a second determining module configured to: when the cell corresponding to the first cell identifier does not currently allow access by the UE, determine to send the reject update notification to the UE.
  • the device further includes:
  • a third sending module configured to: when the UE is in an inactive state, and currently transmit a data packet between the UE and the UE, send the specified signaling to the UE, where the specified signaling carries a current notification a fourth cell identifier of the area, where the specified signaling is used to indicate that the UE updates the notification area to the cell corresponding to the fourth cell identifier.
  • an apparatus for updating a notification area comprising:
  • a memory for storing processor executable instructions
  • processor is configured to:
  • the cell identifier list When in an inactive state, determining, according to the stored cell identifier list, a first cell identifier that is currently performing the notification area update, where the cell identifier list stores multiple cell identifiers and current cell strength of the cell corresponding to each cell identifier. ;
  • an apparatus for updating a notification area comprising:
  • a memory for storing processor executable instructions
  • processor is configured to:
  • the user equipment UE And receiving, by the user equipment UE, a first notification area update request, where the first notification area update request carries a first cell identifier and a base station identifier of the visited base station when the notification area update is performed last time, where the first cell identifier is The cell identifier currently being updated by the notification area;
  • the allow notification update is used to instruct the UE to perform an update of the notification area based on the first cell identifier.
  • the first cell identifier may be determined by using the stored cell identifier list in an inactive state, and the notification area is updated to the first cell.
  • the cell corresponding to the identifier is identified, and when the notification area in which the UE is in an inactive state is changed, the operation of updating the notification area can be performed.
  • FIG. 1 is a flowchart of a method for updating a first notification area according to an exemplary embodiment.
  • FIG. 2 is a flowchart of a method for updating a second notification area according to an exemplary embodiment.
  • FIG. 3 is a flowchart of a method for updating a third notification area, according to an exemplary embodiment.
  • FIG. 4A is a schematic structural diagram of an apparatus for updating a first notification area according to an exemplary embodiment.
  • FIG. 4B is a schematic structural diagram of a first first determining module according to an exemplary embodiment.
  • FIG. 4C is a schematic structural diagram of a second first determining module according to an exemplary embodiment.
  • FIG. 4D is a schematic structural diagram of a third first determining module according to an exemplary embodiment.
  • FIG. 4E is a schematic structural diagram of an apparatus for updating a second notification area according to an exemplary embodiment.
  • FIG. 4F is a schematic structural diagram of an apparatus for updating a third notification area according to an exemplary embodiment.
  • FIG. 4G is a schematic structural diagram of an apparatus for updating a fourth notification area according to an exemplary embodiment.
  • FIG. 4H is a schematic structural diagram of an apparatus for updating a fifth notification area according to an exemplary embodiment.
  • FIG. 4I is a schematic structural diagram of an apparatus for updating a sixth notification area according to an exemplary embodiment.
  • FIG. 5A is a schematic structural diagram of an apparatus for updating a seventh notification area according to an exemplary embodiment.
  • FIG. 5B is a structural diagram of an apparatus for updating an eighth notification area according to an exemplary embodiment. intention.
  • FIG. 5C is a schematic structural diagram of an apparatus for updating a ninth notification area according to an exemplary embodiment.
  • FIG. 6 is a block diagram of a UE according to an exemplary embodiment.
  • FIG. 7 is a block diagram of a base station according to an exemplary embodiment.
  • the application scenarios of the embodiments of the present disclosure are first introduced.
  • the base station needs to know the notification area where the UE is located, but the UE has the mobile feature, which may cause the notification area where the UE is located to change at any time.
  • the notification area where the UE is located needs to update the notification area in which it is located.
  • the embodiment of the present disclosure provides a notification area update method, by which the UE can update the notification area, and can also notify the base station of the updated notification area, so that the base station learns that it is in the inactive state.
  • the notification area where the UE is located.
  • FIG. 1 is a flowchart of a method for updating a notification area according to an exemplary embodiment. As shown in FIG. 1 , the method is used in a UE, and includes the following steps.
  • step 101 when in an inactive state, based on the stored cell identifier list, determine a first cell identifier that is currently performing notification area update, where the cell identifier list stores multiple cell identifiers and a cell corresponding to each cell identifier. Current signal strength.
  • step 102 the first notification area update request is sent to the base station, where the first notification area update request carries the first cell identifier and the base station identifier of the visited base station when the notification area update was last performed.
  • step 103 receiving an allow update notification sent by the base station, updating the notification area to the first The cell corresponding to the cell identifier.
  • the UE may determine the first cell identifier by using the stored cell identifier list in an inactive state, and update the notification area to the cell corresponding to the first cell identifier, so that the UE is in an inactive state.
  • the notification area is changed, the operation of updating the notification area can be performed.
  • determining, according to the stored cell identifier list, the first cell identifier that is currently performing the notification area update including:
  • the second cell identifier When the second cell identifier is detected, and the second cell identifier is different from the area identifier of the currently located notification area, determining whether the second cell identifier exists in the cell identifier list;
  • the cell identifier with the highest signal strength is selected from the cell identifier list;
  • the selected cell identity is determined as the first cell identity currently performing the notification zone update.
  • the method further includes:
  • the second cell identifier determines whether the signal strength of the cell corresponding to the second cell identifier is greater than or equal to a preset strength threshold, and determine whether the signal strength of the cell corresponding to the second cell identifier is greater than the cell. Identifying a signal strength of a cell corresponding to each cell identifier in the list;
  • the second cell identity is determined to be the first cell identity currently performing the notification zone update.
  • determining, according to the stored cell identifier list, the first cell identifier that is currently performing the notification area update including:
  • the cell identifier with the highest signal strength is selected from the cell identifier list;
  • the selected cell identity is determined as the first cell identity currently performing the notification zone update.
  • the method before determining, according to the stored cell identifier list, the first cell identifier that is currently performing the notification area update, the method further includes:
  • the cell identifier list broadcast by the base station, where the multiple cell identifiers stored in the cell identifier list are identifiers of all cells in the base station;
  • the base station And receiving, by the base station, the cell identifier list configured by the base station, where the multiple cell identifiers stored in the cell identifier list are identifiers of cells selected by the base station from all the cells.
  • the method further includes:
  • rejection update notification sent by the base station, where the rejection update notification carries a rejection update reason and a recommendation identifier list, where the recommendation identifier list stores a cell identifier that the base station recommends that the UE perform the notification area update;
  • the method of determining the cell identifier from the recommended identifier list according to the preset reselection rule and determining the selected cell identifier as the third cell identifier is performed.
  • the method further includes:
  • the context of the UE is deleted, and the inactive state is switched to the idle state.
  • the method further includes:
  • the context of the UE is deleted, and the inactive state is switched to the idle state.
  • the method further includes:
  • the notification area is updated to the cell corresponding to the fourth cell identifier.
  • FIG. 2 is a flowchart of a method for updating a notification area according to an exemplary embodiment. As shown in FIG. 2, the method is used in a base station, and includes the following steps.
  • step 201 the first notification area update request sent by the user equipment UE is received, where the first notification area update request carries the first cell identifier and the access base when the notification area update is last performed.
  • step 202 when the identifier of the base station is different from the identifier of the base station, the context of the UE is obtained from the base station corresponding to the identifier of the base station;
  • step 203 an allow update notification is sent to the UE based on the context of the UE and the first cell identifier, the grant notification update is used to indicate that the UE performs the update of the notification area based on the first cell identifier.
  • the base station when receiving the first notification area update request sent by the UE, may send an allow update notification to the UE by acquiring the context of the UE and the first cell identifier carried in the first notification area update request. And indicating that the UE performs the update of the notification area based on the first cell identifier, thereby implementing an operation of updating the notification area when the notification area where the UE is in the inactive state is changed.
  • the method further includes:
  • rejection update notification Sending a rejection update notification to the UE based on the context of the UE and the first cell identifier, where the rejection update notification carries a rejection update reason and a recommendation identifier list, where the suggested identifier list stores a cell identifier that suggests that the UE perform the notification area update;
  • the UE And receiving, by the UE, a second notification area update request, where the second notification area update request carries the third cell identifier and the base station identifier of the visited base station when the notification area is updated last time, and the third cell identifier is that the UE is according to the preset weight a selection rule, a cell identifier selected from the list of suggested identifiers;
  • the context of the UE is obtained from the base station corresponding to the identifier of the base station;
  • the method before the sending the permission update notification to the UE based on the context of the UE and the first cell identifier, the method further includes:
  • the method further includes:
  • the specified signaling is sent to the UE, where the designated signaling carries the fourth cell identifier of the current notification area.
  • the specified signaling is used to indicate that the UE updates the notification area to the cell corresponding to the fourth cell identifier.
  • FIG. 3 is a flowchart of a method for updating a notification area according to an exemplary embodiment. As shown in FIG. 3, the method includes the following steps.
  • step 301 when the UE is in an inactive state, it determines, according to the stored cell identifier list, a first cell identifier that is currently updated by the notification area, where the cell identifier list stores multiple cell identifiers and corresponding to each cell identifier. The current signal strength of the cell.
  • the operation of determining, by the UE, the first cell identifier that is currently performing the notification area update may include the following two manners.
  • the UE when the UE detects the second cell identifier, and the second cell identifier is different from the area identifier of the currently located notification area, it is determined whether the second cell identifier exists in the cell identifier list; When the second cell identifier exists, the cell identifier with the highest signal strength is selected from the cell identifier list; and the selected cell identifier is determined as the first cell identifier that is currently performing the notification region update.
  • a base station may include one or several cells, and each cell is assigned an identifier for uniquely identifying a corresponding cell.
  • the cell identifier list is obtained by the UE from the base station, that is, the UE may receive the cell identifier list broadcast by the base station in the currently located cell, where the multiple cell identifiers stored in the cell identifier list are The identifier of all the cells in the base station; or the UE receives the cell identifier list configured by the base station for the UE, and the multiple cell identifiers stored in the cell identifier list are identifiers of the cells selected by the base station from all the cells.
  • the base station when the base station configures the cell identifier list for the UE, the base station may configure the same cell identifier list for each UE in the coverage area, or may configure different cell identifier lists, and the base station may page to one.
  • the UE configures a cell identity list for the UE, and sends the cell identity list to the UE.
  • the UE may determine whether the signal strength of the cell corresponding to the second cell identifier is greater than or equal to a preset strength threshold, and determine a signal of the cell corresponding to the second cell identifier. Whether the strength is greater than each cell mark in the cell identifier list Know the signal strength of the corresponding cell.
  • the signal strength of the cell corresponding to the second cell identifier is greater than or equal to the preset strength threshold, and the signal strength of the cell corresponding to the second cell identifier is greater than the signal strength of the cell corresponding to each cell identifier in the cell identifier list. And determining, by the second cell identifier, a first cell identifier that is currently performing the notification area update.
  • the preset intensity threshold may be set in advance.
  • the preset intensity threshold may be 60 db (decibel), 70 db, or the like.
  • the UE may abandon the update operation of the current notification area, and delete the context, and switch from the inactive state to the idle state.
  • the cell identifier with the highest signal strength is selected from the cell identifier list; and the selected cell identifier is determined as the first cell currently performing the notification area update.
  • the base station may configure an update period of the notification area for the UE, and the update period may be 1 day, 2 days, and the like.
  • the UE when the cell identifier with the highest signal strength selected by the UE is the same as the area identifier of the notification area currently located, the UE will not initiate an operation of notifying the area update.
  • step 302 the UE sends a first notification area update request to the base station, where the first notification area update request carries the first cell identifier and the base station identifier of the visited base station when the notification area update was last performed.
  • the base station identifier is used to uniquely identify the base station that is accessed when the UE performs the notification area update last time, and the base station identifier may be the IP (Internet Protocol, MAC) of the base station (Media Access Control). , media access control) and more.
  • IP Internet Protocol
  • MAC Media Access Control
  • the first notification area update request may not only carry the first cell identifier and the base station identifier of the visited base station when the notification area update was last performed, the first notification The area update request may further include an identifier detection list, where the identifier detection list includes a cell identifier and a corresponding signal strength of all the cells detected by the UE, and in the actual application, the identifier detection list may also include the UE detecting The cell identity of the partial cell with strong signal strength and the corresponding signal strength.
  • the UE may hang when sending the first notification area update request.
  • Signaling bearer and data bearer
  • step 303 the base station receives a first notification area update request sent by the UE.
  • step 304 when the identifier of the base station is different from the identifier of the base station, the base station acquires the context of the UE from the base station corresponding to the base station identifier.
  • the context of the UE includes information such as network capability, authentication information, negotiated security algorithm, generated key, created connection information, UE's IP, and the like.
  • the information is an important basis for the base station to process the UE.
  • the base station cannot know the context of the UE, the base station cannot know the PGW (PDN Gate Way) connected by the UE, the bearer created by the UE, and the like.
  • the base station cannot process the request sent by the UE. Therefore, in order to ensure that the base station can process the notification area update request sent by the UE, the base station needs to acquire the context of the UE from the base station corresponding to the base station identifier.
  • the base station may determine whether the number of UEs currently accessed by the cell corresponding to the first cell identifier is greater than or equal to a preset number, and the number of UEs currently accessed by the cell corresponding to the first cell identifier. When it is greater than or equal to the preset number, it is determined to send a reject update notification to the UE; or, when the cell corresponding to the first cell identifier does not currently allow access by the UE, it is determined to send a reject update notification to the UE.
  • the preset number may be set in advance, for example, the preset number may be 100, 200, and the like.
  • the permission notification update is used to indicate that the UE performs the update of the notification area based on the first cell identifier, and the permission notification update may carry information such as a new UE status identifier, a new security key, and the like allocated to the UE.
  • the base station may send a reject update notification to the UE based on the context of the UE and the first cell identifier, and reject the update notification carrying the rejection.
  • a recommendation identifier list where the recommendation identifier list stores a cell identifier that is recommended for the UE to perform the notification area update; the UE receives the rejection update notification sent by the base station, and selects from the recommended identifier list according to the preset reselection rule.
  • the selected cell identifier is determined as a third cell identifier; and the second notification area update request is sent to the base station, where the second notification area update request carries the third cell identifier and the visited base station when the notification area update is performed last time Base station identity; the base station receives a second notification area update request sent by the UE; when the base station When the identifier is different from the identifier of the UE, the context of the UE is obtained from the base station corresponding to the identifier of the base station; and the reject update notification is sent to the UE based on the context of the UE and the third cell identifier.
  • the UE When the UE receives the rejection update notification sent by the base station again, the UE returns to perform the step of selecting a cell identifier from the recommended identifier list according to the preset reselection rule, and determining the selected cell identifier as the third cell identifier.
  • the base station returns to perform the step of receiving the second notification area update request sent by the UE.
  • the information about the IP of the UE may be included in the context of the UE. Therefore, the base station may send a rejection update notification to the UE based on the IP of the UE carried in the context of the UE.
  • the preset reselection rule is used to select a cell identifier from the recommended identifier list, and the preset reselection rule may be set in advance.
  • the preset reselection rule may be as large as the signal strength. Selecting a cell identifier in a small order may also select a cell identifier or the like in order from the top to the bottom of the cell identifier in the suggested identifier list.
  • the first area update request may further carry the identifier detection list. Therefore, the recommended identifier list sent by the base station to the UE may include the base station from the identifier. Detecting all cell identifiers and corresponding signal strengths obtained in the list, or including partial cell identifiers and corresponding signal strengths obtained from the identifier detection list.
  • the base station may directly send a reject update notification to the UE.
  • the base station may obtain not only the context of the UE but also the historical cell list in which the UE resides, and the base station may be in the historical cell list in which the UE resides.
  • the cell identifier is determined, and the historical trajectory of the UE is determined, and the next mobile cell of the UE is predicted according to the historical trajectory of the UE.
  • the rejection update notification sent to the UE.
  • the UE may abandon the current notification area when receiving the refusal update notification. Update and delete the context of the UE, switching from the inactive state to the idle state.
  • the UE wastes the resource, and after the UE sends the second notification area update request to the base station, the UE may also count the number of times the second notification area update request is sent; When the number of transmissions is greater than or equal to the preset number of times threshold, the context of the UE is deleted, and the inactive state is switched to the idle state.
  • the preset number threshold may be set in advance, for example, the preset number threshold may be Thought 5 times, 6 times, and so on.
  • the base station sends an allow update notification to the UE based on the context of the UE and the first cell identity.
  • the base station may include the connection information created by the UE, the IP address of the UE, and the like, and the base station may send an allow update notification to the UE based on the IP of the UE carried in the context.
  • step 306 the UE receives the permission update notification sent by the base station, and updates the notification area to the cell corresponding to the first cell identifier.
  • the UE may further send an update completion notification to the base station.
  • the base station receives the update completion notification sent by the UE, the UE determines that the UE notification area update is complete. It should be noted that when the new security key is carried in the allowed update notification received by the UE, the UE may send an update completion notification to the base station by using the new security key to ensure the security of communication between the UE and the base station. .
  • the UE when the UE is a periodic update notification area, after the UE updates the notification area to the cell corresponding to the first cell identifier, the UE may restart the timer of the periodic update notification area.
  • the UE deletes the context of the UE, and is inactive. Switch to the idle state.
  • the specified duration can be set in advance, for example, the specified duration can be 1 day, 2 days, and the like.
  • the UE may delete the context of the UE when detecting that the update of the notification area is not performed within a specified duration after the update of the notification area, and Switch from inactive to idle.
  • the UE may perform the update of the notification area not only when determining the identity of the first cell, but also the update of the notification area when the UE receives the specified signaling. That is, when the UE is in an inactive state, and the base station is currently transmitting the data packet with the UE, the base station may send the specified signaling to the UE, where the designated signaling carries the fourth cell identifier of the current notification area.
  • the specified signaling is used to indicate that the UE updates the notification area to the cell corresponding to the fourth cell identifier.
  • the UE receives the specified signaling, and updates the notification area to the cell corresponding to the fourth cell identifier.
  • the data packets transmitted between the UE and the base station are small data packets, that is, data packets whose transmission size is smaller than a preset size.
  • the preset size may be set in advance.
  • the preset size may be 5 MB (megabytes), 10 MB, or the like.
  • the UE may determine the first cell identifier by using the stored cell identifier list, and perform update of the notification area according to the first cell identifier, thereby implementing a change of the notification area where the UE is in an inactive state. At the time, the update operation of the notification area can be performed.
  • the base station refuses to update the UE by using the first cell identifier
  • the UE may further update the notification area according to the cell identifier in the suggested identifier list, thereby improving the notification. The reliability of the area update.
  • the UE when the UE detects the second cell identifier in the inactive state, if the signal strength of the corresponding cell is less than the preset strength threshold, or the signal strength of the cell corresponding to the second cell identifier is smaller than the cell identifier list.
  • the UE may abandon the update operation of the current notification area, thereby avoiding unnecessary notification area update, and improving the efficiency of updating the notification area.
  • FIG. 4A is a schematic structural diagram of an apparatus for updating an notification area according to an exemplary embodiment.
  • the apparatus includes: a first determining module 401, a first sending module 402, and a first updating module 403.
  • the first determining module 401 is configured to determine, according to the stored cell identifier list, a first cell identifier that is currently performing the notification area update, where the cell identifier list stores multiple cell identifiers and each cell identifier. The current signal strength of the corresponding cell;
  • the first sending module 402 is configured to send a first notification area update request to the base station, where the first notification area update request carries the first cell identifier and the base station identifier of the visited base station when the notification area update was last performed;
  • the first update module 403 is configured to receive an allow update notification sent by the base station, and update the notification area to a cell corresponding to the first cell identifier.
  • the first determining module 401 includes:
  • the first judging sub-module 4011 is configured to: when the second cell identifier is detected, and the second cell identifier is different from the area identifier of the currently located notification area, determine whether the second cell identifier exists in the cell identifier list;
  • a first selection sub-module 4012 configured to: when the second cell identifier exists in the cell identifier list, select a cell identifier with the highest signal strength from the cell identifier list;
  • the first determining sub-module 4013 is configured to determine the selected cell identifier as the first cell identifier that is currently performing the notification area update.
  • the first determining module 401 further includes:
  • the second judging sub-module 4014 is configured to determine, when the second cell identifier does not exist in the cell identifier list, whether the signal strength of the cell corresponding to the second cell identifier is greater than or equal to a preset strength threshold, and determine that the second cell identifier corresponds to Whether the signal strength of the cell is greater than the signal strength of the cell corresponding to each cell identifier in the cell identifier list;
  • the second determining sub-module 4015 is configured to: when the signal strength of the cell corresponding to the second cell identifier is greater than or equal to the preset strength threshold, and the signal strength of the cell corresponding to the second cell identifier is greater than each cell identifier in the cell identifier list When the signal strength of the corresponding cell is determined, the second cell identifier is determined as the first cell identifier currently performing the notification area update.
  • the first determining module 401 further includes:
  • a second selection sub-module 4016 configured to: when the update time of the configured periodic update notification area arrives, select a cell identifier with the highest signal strength from the cell identifier list;
  • the third determining sub-module 4017 is configured to determine the selected cell identifier as the first cell identifier that is currently performing the notification area update.
  • the apparatus further includes:
  • the first receiving module 404 is configured to receive, in a currently located cell, the cell identifier list that is broadcast by the base station, where the multiple cell identifiers stored in the cell identifier list are identifiers of all cells in the base station;
  • the second receiving module 405 is configured to receive the cell identifier list configured by the base station for the UE, where the multiple cell identifiers stored in the cell identifier list are identifiers of cells selected by the base station from all the cells.
  • the apparatus further includes:
  • the third receiving module 406 is configured to receive a rejection update notification sent by the base station, where the rejection update notification carries a rejection update reason and a recommendation identifier list, where the recommendation identifier list stores a cell identifier that the base station recommends that the UE perform the notification area update;
  • the second determining module 407 is configured to select a cell identifier from the recommended identifier list according to the preset reselection rule, and determine the selected cell identifier as the third cell identifier;
  • the second sending module 408 is configured to send a second notification area update request to the base station, where the second notification area update request carries the third cell identifier and the base station identifier of the visited base station when the notification area update was last performed;
  • the triggering module 409 is configured to trigger when the denial update notification sent by the base station is received again.
  • the determining module selects a cell identifier from the recommended identifier list according to the preset reselection rule, and determines the selected cell identifier as the third cell identifier.
  • the apparatus further includes:
  • the statistics module 410 is configured to count the number of times the second notification area update request is sent;
  • the first switching module 411 is configured to delete the context of the UE when the number of transmissions is greater than or equal to the preset number of times, and switch from the inactive state to the idle state.
  • the apparatus further includes:
  • the second switching module 412 is configured to delete the context of the UE when the update of the notification area is not performed within a specified duration after the update of the notification area, and switch from the inactive state to the idle state.
  • the apparatus further includes:
  • the fourth receiving module 413 is configured to receive the specified signaling, where the designated signaling carries the fourth cell identifier that is currently performing the notification area update.
  • the second update module 414 is configured to update the notification area to the cell corresponding to the fourth cell identifier.
  • the UE may determine the first cell identifier by using the stored cell identifier list, and perform the update of the notification area according to the first cell identifier, thereby implementing the change of the notification area where the UE is in an inactive state. At the time, the update operation of the notification area can be performed.
  • the base station refuses to update the UE by using the first cell identifier
  • the UE may further update the notification area according to the cell identifier in the suggested identifier list, thereby improving the notification. The reliability of the area update.
  • the UE when the UE detects the second cell identifier in the inactive state, if the signal strength of the corresponding cell is less than the preset strength threshold, or the signal strength of the cell corresponding to the second cell identifier is smaller than the cell identifier list.
  • the UE may abandon the update operation of the current notification area, thereby avoiding unnecessary notification area update, and improving the efficiency of updating the notification area.
  • FIG. 5A is a schematic structural diagram of another updating apparatus of a notification area according to an exemplary embodiment.
  • the apparatus includes: a first receiving module 501, a first obtaining module 502, and a first sending module 503.
  • the first receiving module 501 is configured to receive a first notification area update request sent by the user equipment UE, where the first notification area update request carries the first cell identifier and the base station identifier of the visited base station when the notification area is updated last time,
  • the first cell identifier is a cell identifier that is currently updated by the notification area;
  • the first obtaining module 502 is configured to: when the identifier of the base station is different from the identifier of the base station, obtain the context of the UE from the base station corresponding to the identifier of the base station;
  • the first sending module 503 is configured to send an allow update notification to the UE based on the context of the UE and the first cell identifier, where the allow notification update is used to instruct the UE to perform update of the notification area based on the first cell identifier.
  • the apparatus further includes:
  • the second sending module 504 is configured to send a reject update notification to the UE based on the context of the UE and the first cell identifier, where the reject update notification carries a reject update cause and a suggested identifier list, where the suggested identifier list stores that the UE is recommended to perform Notifying the updated cell ID of the area;
  • the second receiving module 505 is configured to receive a second notification area update request sent by the UE, where the second notification area update request carries the third cell identifier and the base station identifier of the accessed base station when the notification area update was last performed, and the third cell
  • the identifier is a cell identifier selected by the UE according to the preset reselection rule from the recommended identifier list;
  • the second obtaining module 506 is configured to: when the identifier of the base station is different from the identifier of the base station, obtain the context of the UE from the base station corresponding to the identifier of the base station;
  • the triggering module 507 is configured to send the reject update notification to the UE based on the context of the UE and the third cell identifier, and trigger the second receiving module to receive the second notification area update request sent by the UE.
  • the apparatus further includes:
  • the first determining module 508 is configured to: when the number of UEs currently accessed by the cell corresponding to the first cell identifier is greater than or equal to the preset number, determine to send a reject update notification to the UE, otherwise, determine to send an allow update notification to the UE. ;
  • the second determining module 509 is configured to: when the cell corresponding to the first cell identifier does not currently allow access by the UE, determine to send the reject update notification to the UE.
  • the device further includes:
  • a third sending module configured to send a specified signaling to the UE when the UE is in an inactive state, and the data packet is currently transmitted between the UE, where the designated signaling carries the fourth
  • the cell identifier is used to indicate that the UE updates the notification area to the cell corresponding to the fourth cell identifier.
  • the UE may determine the first cell identifier by using the stored cell identifier list, and update the notification area according to the first cell identifier, thereby implementing the UE in an inactive state.
  • the update operation of the notification area can be performed.
  • the base station refuses to update the UE by using the first cell identifier, if the refusal update notification carries the recommended identifier list, the UE may further update the notification area according to the cell identifier in the suggested identifier list, thereby improving the notification. The reliability of the area update.
  • the UE when the UE detects the second cell identifier in the inactive state, if the signal strength of the corresponding cell is less than the preset strength threshold, or the signal strength of the cell corresponding to the second cell identifier is smaller than the cell identifier list.
  • the UE may abandon the update operation of the current notification area, thereby avoiding unnecessary notification area update, and improving the efficiency of updating the notification area.
  • FIG. 6 is a block diagram of a UE according to an exemplary embodiment.
  • the UE can be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.
  • the UE may include one or more of the following components: a processing component 602, a memory 604, a power component 606, a multimedia component 608, an audio component 610, an input/output (I/O) interface 612, a sensor component 614, and Communication component 616.
  • Processing component 602 typically controls the overall operation of the UE, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
  • Processing component 602 can include one or more processors 620 to execute instructions to perform all or part of the steps of the above described methods.
  • processing component 602 can include one or more modules to facilitate interaction between component 602 and other components.
  • processing component 602 can include a multimedia module to facilitate interaction between multimedia component 608 and processing component 602.
  • Memory 604 is configured to store various types of data to support operation at the UE. Examples of such data include instructions for any application or method operating on the UE, contact data, phone book data, messages, pictures, videos, and the like.
  • the memory 604 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Disk or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Disk Disk or Optical Disk.
  • Power component 606 provides power to various components of the UE.
  • Power component 606 can include a power tube The system, one or more power supplies, and other components associated with generating, managing, and distributing power for the UE.
  • Multimedia component 608 includes a screen that provides an output interface between the UE and the user.
  • the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor may sense not only the boundary of the touch or sliding action, but also the duration and pressure associated with the touch or slide operation.
  • the multimedia component 608 includes a front camera and/or a rear camera. The front camera and/or the rear camera can receive external multimedia data when the UE is in an operation mode, such as a shooting mode or a video mode. Each front and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 610 is configured to output and/or input an audio signal.
  • the audio component 610 includes a microphone (MIC) that is configured to receive an external audio signal when the UE is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
  • the received audio signal may be further stored in memory 604 or transmitted via communication component 616.
  • audio component 610 also includes a speaker for outputting an audio signal.
  • the I/O interface 612 provides an interface between the processing component 602 and the peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.
  • Sensor component 614 includes one or more sensors for providing UEs with status assessments of various aspects.
  • sensor component 614 can detect an open/closed state of the UE, relative positioning of the component, eg, the component is a display and keypad of the UE, and sensor component 614 can also detect a change in location of a component of the UE or UE, user and UE The presence or absence of contact, UE orientation or acceleration/deceleration and temperature changes of the UE.
  • Sensor assembly 614 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 614 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 614 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 616 is configured to facilitate wired or wireless communication between the UE and other devices.
  • the UE may access a wireless network based on a communication standard such as WiFi, 2G or 3G, or a combination thereof.
  • communication component 616 receives from an external broadcast management system via a broadcast channel Broadcast signal or broadcast related information.
  • the communication component 616 also includes a near field communication (NFC) module to facilitate short range communication.
  • NFC near field communication
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • the UE may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gates An array (FPGA), controller, microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable gates
  • controller microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
  • non-transitory computer readable storage medium comprising instructions, such as a memory 604 comprising instructions executable by the processor 620 of the UE to perform the above method.
  • the non-transitory computer readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.
  • a non-transitory computer readable storage medium that, when executed by a processor of a UE, enables a UE to perform the method illustrated in FIG. 1 or FIG. 3 above.
  • FIG. 7 is a block diagram of a base station according to an exemplary embodiment.
  • a base station can be provided as a server.
  • the base station includes a processing component 722 that further includes one or more processors, and memory resources represented by memory 732 for storing instructions executable by processing component 722, such as an application.
  • An application stored in memory 732 can include one or more modules each corresponding to a set of instructions.
  • the base station may also include a power supply component 726 configured to perform power management of the base station, a wired or wireless network interface 750 configured to connect the base station to the network, and an input/output (I/O) interface 758.
  • the base station can operate based on an operating system stored in the memory 732, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.
  • processing component 722 is configured to execute instructions to perform the method illustrated in any of Figures 2 or 3 above.
  • a person skilled in the art may understand that all or part of the steps of implementing the above embodiments may be completed by hardware, or may be instructed by a program to execute related hardware, and the program may be stored in a computer readable storage medium.
  • the storage medium mentioned may be a read only memory, a magnetic disk or an optical disk or the like.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de mise à jour d'une zone de notification, et s'applique au domaine des communications sans fil. Le procédé comprend les étapes qui consistent : dans un état inactif, à déterminer, sur la base d'une liste d'identifiants de cellule mémorisés, un premier identifiant de cellule qui permet de mettre à jour à ce moment une zone de notification, plusieurs identifiants de cellule et la puissance de signal courante d'une cellule correspondant à chaque identifiant de cellule étant mémorisés dans la liste d'identifiants de cellule ; à envoyer une première demande de mise à jour de zone de notification à une station de base, cette première demande contenant le premier identifiant de cellule et un identifiant de station de base de la station de base d'accès lorsqu'une zone de notification est mise à jour précédemment ; à recevoir une notification d'autorisation de mise à jour envoyée par la station de base, et à mettre à jour une zone de notification dans une cellule correspondant au premier identifiant de cellule. Selon l'invention, dans un état inactif, la zone de notification est mise à jour dans la cellule correspondant au premier identifiant de cellule, et, lorsque la zone de notification où se trouve un UE dans l'état inactif est modifiée, une opération de mise à jour de la zone de notification peut être effectuée.
PCT/CN2017/078454 2017-03-28 2017-03-28 Procédé et appareil de mise à jour d'une zone de notification WO2018176230A1 (fr)

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