WO2022204927A1 - 配置小区重选参数、小区重选方法及装置、存储介质 - Google Patents
配置小区重选参数、小区重选方法及装置、存储介质 Download PDFInfo
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- WO2022204927A1 WO2022204927A1 PCT/CN2021/083883 CN2021083883W WO2022204927A1 WO 2022204927 A1 WO2022204927 A1 WO 2022204927A1 CN 2021083883 W CN2021083883 W CN 2021083883W WO 2022204927 A1 WO2022204927 A1 WO 2022204927A1
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- 238000004590 computer program Methods 0.000 claims description 12
- 230000001960 triggered effect Effects 0.000 claims description 5
- 230000004913 activation Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 19
- 238000012545 processing Methods 0.000 description 13
- 238000004891 communication Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
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- 238000000691 measurement method Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/06—Airborne or Satellite Networks
Definitions
- the present disclosure relates to the field of communications, and in particular, to configuring cell reselection parameters, a cell reselection method and device, and a storage medium.
- cell reselection can be performed according to the S criterion and the R criterion.
- the S criterion for the measurement of the same-frequency neighbor cell, if the signal quality of the serving cell is greater than the signal quality threshold of the same-frequency neighbor cell, the neighbor cell measurement may not be performed. If the signal quality of the serving cell is lower than that of the same-frequency neighbor cell The signal quality threshold of the cell, and the terminal needs to measure the neighboring cell.
- the measurement method of the inter-frequency neighbor cell is similar to the measurement method of the same-frequency neighbor cell.
- the terminal may also perform inter-frequency neighbor cell measurement when the signal quality of the serving cell is lower than the signal quality threshold of the inter-frequency neighbor cell.
- the feeder link switch (feeder link switch) is bound to exist.
- the feed link refers to the link between the satellite and the ground gateway.
- the serving cell will be unavailable. If the terminal starts the measurement of the neighboring cell according to the S criterion, it may cause the problem that the terminal has not started the neighboring cell measurement, and the serving cell is unavailable.
- the embodiments of the present disclosure provide a cell reselection parameter configuration, a cell reselection method and device, and a storage medium.
- a method for configuring cell reselection parameters including:
- the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate the service time information of the cell;
- the first time parameter includes at least one of the following:
- the first duration parameter is used to indicate the service duration information that the cell can provide the service
- the first time parameter is used to indicate the time point information of the cell to stop providing the service.
- the sending the target time parameter includes:
- a system message including the target time parameter is broadcast.
- the method further includes:
- the updating the parameter value of the first duration parameter included in the system message includes:
- the parameter value of the first duration parameter included in the system message in each transmission period is determined based on the maximum service duration that the cell can provide and the period duration of each transmission period of the system message.
- the sending the target time parameter includes:
- the sending an RRC message including the target time parameter to the terminal includes:
- an RRC connection release message including the target time parameter is sent to the terminal.
- the target time parameter including a first duration parameter indicating service duration information that the cell can provide services
- determining the RRC connection based on the maximum service duration that the cell can provide and the provided service duration The parameter value of the first duration parameter included in the release message.
- the target time parameter further includes a second time parameter, where the second time parameter is used to indicate service time information of a neighboring cell.
- the second time parameter includes at least one of the following:
- the second duration parameter used to indicate the service duration information that the neighboring cell is about to provide the service to the terminal the second time point parameter used to indicate the starting time point information of the neighboring cell providing the service, and the second time point parameter used to instruct the neighboring cell to stop providing the service
- the third time point parameter of the time point information The second duration parameter used to indicate the service duration information that the neighboring cell is about to provide the service to the terminal.
- a method for cell reselection is provided.
- the method is used for a terminal, including:
- the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate service time information of the cell;
- the first time parameter includes at least one of the following:
- the first time duration parameter used to indicate the service duration information that the cell can provide the service and the first time parameter used to indicate the starting time point information of the cell to stop providing the service.
- performing cell reselection based on the target time parameter includes:
- cell reselection is performed.
- the configuration of the timing duration of the cell reselection timer based on the first duration parameter includes any of the following:
- the received RRC connection release message In response to switching from the connected state to the idle state or the inactive state, and the received RRC connection release message does not include the first duration parameter, but the received system message includes the first duration parameter, triggering the activation of all Describe the cell reselection timer.
- performing cell reselection based on the target time parameter includes:
- cell reselection is performed before the time point indicated by the first time point parameter or when the time point indicated by the first time point parameter is reached.
- the target time parameter further includes a second time parameter, where the second time parameter is used to indicate service time information of a neighboring cell.
- the second time parameter includes at least one of the following:
- the second duration parameter used to indicate the service duration information that the neighboring cell is about to provide the service to the terminal the second time point parameter used to indicate the starting time point information of the neighboring cell providing the service, and the second time point parameter used to instruct the neighboring cell to stop providing the service
- the third time point parameter of the time point information The second duration parameter used to indicate the service duration information that the neighboring cell is about to provide the service to the terminal.
- a target neighboring cell to be handed over during cell reselection is determined based on the second duration parameter.
- the target time parameter including at least one of the second time parameter and the third time parameter, based on at least one of the second time parameter and the third time parameter , to determine the target neighbor cell to be handed over during cell reselection.
- the timing duration of the cell reselection timer remains unchanged.
- an apparatus for configuring cell reselection parameters including:
- a time parameter configuration module configured to configure a target time parameter for performing cell reselection to the terminal, the target time parameter including at least a first time parameter, and the first time parameter is used to indicate the service time information of the cell ;
- a sending module configured to send the target time parameter.
- an apparatus for cell reselection is provided, and the apparatus is used for a terminal, including:
- a receiving module configured to receive a target time parameter, where the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate service time information of the cell;
- the cell reselection module is configured to perform cell reselection based on the target time parameter.
- a computer-readable storage medium where the storage medium stores a computer program, and the computer program is configured to execute the configuration of the cell reselection parameters according to any one of the above-mentioned first aspect.
- a computer-readable storage medium where the storage medium stores a computer program, and the computer program is configured to execute the cell reselection method according to any one of the foregoing second aspects.
- an apparatus for configuring cell reselection parameters including:
- memory for storing processor-executable instructions
- the processor is configured to perform the method for configuring cell reselection parameters according to any one of the above-mentioned first aspect.
- an apparatus for cell reselection including:
- memory for storing processor-executable instructions
- the processor is configured to execute the cell reselection method according to any one of the second aspect above.
- a target time parameter for performing cell reselection may be configured by the base station for the terminal, where the target time parameter at least includes a first time parameter used to indicate service time information of the cell. Further, the base station may send the target time parameter. The terminal may perform cell reselection based on the received target time parameter. The purpose of configuring the target time parameter for cell reselection by the network side for the terminal is realized, the terminal can perform cell reselection in time, and the normal operation of the terminal service is ensured.
- FIG. 1 is a schematic diagram of an interaction scenario between a satellite and a terrestrial network in an NTN system according to an exemplary embodiment.
- Fig. 2 is a schematic flowchart of a method for configuring cell reselection parameters according to an exemplary embodiment.
- FIG. 3 is a schematic flowchart of another method for configuring cell reselection parameters according to an exemplary embodiment.
- Fig. 4 is a schematic flowchart of another method for configuring cell reselection parameters according to an exemplary embodiment.
- Fig. 5 is a schematic flowchart of another method for configuring cell reselection parameters according to an exemplary embodiment.
- FIG. 6 is a schematic flowchart of another method for configuring cell reselection parameters according to an exemplary embodiment.
- FIG. 7 is a schematic flowchart of another method for configuring cell reselection parameters according to an exemplary embodiment.
- FIG. 8 is a schematic flowchart of another method for configuring cell reselection parameters according to an exemplary embodiment.
- FIG. 9 is a schematic flowchart of a method for cell reselection according to an exemplary embodiment.
- FIG. 10 is a schematic flowchart of another method for cell reselection according to an exemplary embodiment.
- FIG. 11 is a schematic flowchart of another method for cell reselection according to an exemplary embodiment.
- FIG. 12 is a schematic flowchart of another method for cell reselection according to an exemplary embodiment.
- FIG. 13 is a schematic flowchart of another method for cell reselection according to an exemplary embodiment.
- Fig. 14 is a block diagram of an apparatus for configuring cell reselection parameters according to an exemplary embodiment.
- Fig. 15 is a block diagram of a cell reselection apparatus according to an exemplary embodiment.
- FIG. 16 is a schematic structural diagram of an apparatus for configuring cell reselection parameters according to an exemplary embodiment of the present disclosure.
- FIG. 17 is a schematic structural diagram of a cell reselection apparatus according to an exemplary embodiment of the present disclosure.
- first, second, third, etc. may be used in this disclosure to describe various pieces of information, such information should not be limited by these terms. These terms are only used to distinguish the same type of information from each other.
- first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information, without departing from the scope of the present disclosure.
- word "if” as used herein can be interpreted as "at the time of” or "when” or "in response to determining.”
- the satellite is connected to GW (Gateway, ground station) 1, and at T2 At this moment, the satellite starts the feeder link switch.
- the satellite may keep connected with GW1 and GW2 at the same time, and for the terminal in the idle or inactive state, it is necessary to perform cell reselection, from cell 1 to cell 2, in At T3, the feeder link switch is completed, and the terminal also completes cell reselection. Due to the feeder link switch, at time T2, cell 1 will be unavailable, resulting in the terminal not starting the measurement of neighboring cells. Therefore, when entering cell 2 through cell reselection, cell 1 cannot provide services for the terminal.
- the present disclosure provides the following configuration cell reselection parameters and cell reselection solutions.
- the solution for configuring cell reselection parameters of the present disclosure will be introduced from the base station side first.
- FIG. 2 is a flowchart of a method for configuring cell reselection parameters according to an embodiment. The method may be executed by a base station. Include the following steps:
- a target time parameter for cell reselection is configured for the terminal, where the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate service time information of the cell.
- step 202 the target time parameter is sent.
- the purpose of configuring the target time parameter for cell reselection by the network side for the terminal is achieved.
- the first time parameter may include at least one of the following: a first duration parameter, a first time point parameter.
- the first duration parameter may be used to indicate the service duration information that the cell can provide the service, for example, the first duration parameter is used to indicate that the service duration that the cell can provide is 2 hours.
- the first time point parameter is used to indicate the time point information when the cell stops providing the service, and the cell will stop providing the service at the moment indicated by the first time point parameter.
- the first time point parameter indicates an absolute time, such as UTC (Universal Time Coordinated, universal time). For example, if the first time point parameter indicates 9:00 am, then the cell will stop providing service at 9:00 am.
- the first time parameter can be represented by the first time parameter corresponding to the service time that the cell can provide the service, or the first time parameter corresponding to the time when the cell stops providing the service, which is easy to implement and has high availability.
- FIG. 3 is a flowchart of a method for configuring cell reselection parameters according to an embodiment. The method can be executed by a base station and includes the following steps:
- a target time parameter for performing cell reselection is configured for the terminal, where the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate service time information of the cell.
- step 302 a system message including the target time parameter is broadcast.
- the base station may broadcast a system message including the target time parameter, so that the terminal receives the target time parameter.
- the purpose of configuring the target time parameter for cell reselection by the network side for the terminal is realized.
- Fig. 4 is a flowchart of a method for configuring cell reselection parameters according to an embodiment. The method can be executed by a base station and includes the following steps:
- a target time parameter for performing cell reselection is configured for the terminal, where the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate service time information of the cell.
- step 402 a system message including the target time parameter is broadcast.
- the base station may broadcast the system message, so that the terminal receives the target time parameter configured for the terminal by the network side.
- step 403 in response to the target time parameter including the first duration parameter used to indicate the service duration information that the cell can provide the service, in each transmission period of the system message, update all the information included in the system message.
- the parameter value of the first duration parameter in response to the target time parameter including the first duration parameter used to indicate the service duration information that the cell can provide the service, in each transmission period of the system message, update all the information included in the system message.
- the base station when the base station sends the target time parameter to the terminal through a system message, and the target time parameter includes the first duration parameter, in each sending period of the system message, the base station needs to update the system message The parameter value of the included first duration parameter.
- the base station may determine, based on the maximum service duration that the cell can provide the service with and the cycle duration of each transmission period of the system message, the first information included in the system message in each transmission period The parameter value of the duration parameter.
- the base station can determine the parameter value T of the first duration parameter included in each transmission period system message according to the following formula:
- Tmax is the maximum service duration that the cell can provide services
- T' is the cycle duration of each transmission cycle
- n is used to indicate the number of system message transmission cycles that have been experienced since the cell began to provide services
- n The range of values can be natural numbers.
- the values of the parameter value T of the first duration parameter included in the system message may be in sequence: T max , T max -T', T max -2T', . . . and so on, until the The cell ceases to provide services.
- the base station may broadcast the system message so that the terminal receives the target time parameter. And the base station will update the parameter value of the first duration parameter included in the system message in each sending cycle of the system message, so that the terminal entering the cell in any sending cycle can accurately obtain the service provided by the cell through the system message. time information.
- the base station when the base station sends the target time parameter to the terminal through a system message, and the target time parameter includes the first time point parameter, since the first time point parameter indicates the absolute time, it will not change with time. As the number of transmission cycles of the system message has changed, the base station does not need to update the parameter value of the first time point parameter included in the system message when the target time parameter includes the first time point parameter.
- the base station can accurately provide the terminal with the time information of the service provided by the base station for the cell configured by the base station through the system message, and the availability is high.
- FIG. 5 is a flowchart of configuring cell reselection parameters according to an embodiment. The method can be executed by a base station, and includes the following steps:
- a target time parameter for performing cell reselection is configured for the terminal, where the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate service time information of the cell.
- step 502 a system message including the target time parameter is broadcast.
- the base station may broadcast the system message so that the terminal receives the target time parameter.
- step 503 in response to the target time parameter including the first duration parameter used to indicate the service duration information that the cell can provide the service, in each transmission period of the system message, update all the information included in the system message.
- the parameter value of the first duration parameter in response to the target time parameter including the first duration parameter used to indicate the service duration information that the cell can provide the service, in each transmission period of the system message, update all the information included in the system message.
- step 504 the system message update notification is not triggered.
- the terminals in the cell need to be notified.
- the system message update notification will not be triggered. That is, after the terminal side enters the cell and determines the parameter value of the first duration parameter included in the system message by receiving the system message, the terminal will perform cell reselection based on the parameter value of the first duration parameter. In this process, for the terminal, the parameter value of the first duration parameter will not change. Therefore, even if the network side updates the parameter value of the first duration parameter in the system message in the next sending cycle of the system message, the parameter value of the first duration parameter in the system message will not be changed. There is no need to notify the terminal, that is, there is no need to trigger the system message update notification.
- the base station after updating the parameter value of the first duration parameter included in the system message, the base station will not notify the terminal that the system message has been updated, ensuring that the terminal can accurately obtain the time information of the service provided by the cell, and the availability is high.
- FIG. 6 is a flowchart of a method for configuring cell reselection parameters according to an embodiment. The method can be executed by a base station and includes the following steps:
- a target time parameter for performing cell reselection is configured for the terminal, where the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate service time information of the cell.
- step 602 an RRC message including the target time parameter is sent to the terminal.
- the base station can provide the terminal with the time information of the service provided by the base station for the cell configured by the base station through the RRC message, and the availability is high.
- FIG. 7 is a flowchart of a method for configuring cell reselection parameters according to an embodiment. The method can be executed by a base station and includes the following steps:
- a target time parameter for performing cell reselection is configured for the terminal, where the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate service time information of the cell.
- step 702 in response to determining that the terminal switches from the connected state to the idle state or the inactive state, an RRC connection release message including the target time parameter is sent to the terminal.
- the base station may send an RRC release (RRC connection release) message including the target time parameter to the terminal when it is determined that the terminal switches from the connected state to the idle state or to the inactive state.
- RRC release RRC connection release
- the base station when the terminal switches from the connected state to other states, the base station can provide the terminal with the time information of the service provided by the base station for the cell configured by the terminal through the RRC connection release message, which has high availability.
- FIG. 8 is a flowchart of a method for configuring cell reselection parameters according to an embodiment. The method can be executed by a base station and includes the following steps:
- a target time parameter for performing cell reselection is configured for the terminal, where the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate service time information of the cell.
- the target time parameter in response to determining that the terminal switches from a connected state to an idle state or an inactive state, includes a first duration parameter for indicating service duration information that the cell can provide services, based on the The parameter value of the first duration parameter included in the RRC connection release message is determined according to the maximum service duration and the already provided service duration that the cell can provide the service.
- step 803 an RRC connection release message including the target time parameter is sent to the terminal.
- the base station may send an RRC release (RRC connection release) message including the target time parameter to the terminal when it is determined that the terminal switches from the connected state to the idle state, or switches to the inactive state.
- RRC release RRC connection release
- the time information that the base station provides the service for the cell configured for the terminal is accurately provided to the terminal through the RRC message, and the availability is high.
- the target time parameter may include, in addition to the above-mentioned first time parameter, a second time parameter, and the second time parameter may be used to indicate service time information of a neighboring cell.
- the second time parameter includes at least one of the following: a second duration parameter, a second time point parameter, and a third time point parameter.
- the second duration parameter is used to indicate the service duration information that the neighboring cell is about to provide services for the terminal
- the second time point parameter is used to indicate the starting time point information of the neighboring cell providing services
- the third time point parameter is used to indicate the neighboring cell. Information about the time point when the cell stops providing the service, and the neighboring cell will stop providing the service at the time point indicated by the third time point parameter.
- the second time point parameter and the third time point parameter may be represented by absolute time.
- the target time parameter configured by the base station for the terminal to perform cell reselection may include not only the time information of the service provided by the cell, but also the time information of the adjacent cell to provide the service. Thus, it is ensured that the terminal can perform cell reselection in time based on the target time parameter.
- the base station broadcasts a system message including a target time parameter, and the target time parameter includes a second time parameter, the parameter value of the second time parameter does not need to follow the sending period of the system message. to update.
- the base station sends the RRC message including the target time parameter to the terminal, and the target time parameter includes the second time parameter, the second time parameter will not change.
- the cell reselection solution provided by the present disclosure will be described below from the terminal side.
- FIG. 9 is a flowchart of a method for cell reselection according to an embodiment. The method can be executed by a terminal and includes the following steps:
- a target time parameter is received, where the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate service time information of the cell.
- step 902 cell reselection is performed based on the target time parameter.
- neighbor cell measurement may be performed based on the target time parameter, and cell reselection may be performed according to the neighbor cell measurement result.
- the neighbor cell measurement includes, but is not limited to, at least one of the following: acquiring the neighbor cell ID, reading the system information of the neighbor cell, measuring the signal quality of the neighbor cell, and the like.
- the terminal may perform cell reselection based on a target time parameter configured by the base station for the terminal, where the target time parameter at least includes a first time parameter used to indicate service time information of the cell. It is ensured that the terminal can perform cell reselection in time, and the normal operation of the terminal service is ensured.
- the first time parameter includes at least one of the following: a first duration parameter used to indicate service duration information that the cell can provide services, a first duration parameter used to instruct the cell to stop providing services The first time point parameter of the starting time point information.
- FIG. 10 is a flowchart of a method for cell reselection according to an embodiment. The method can be executed by a terminal and includes the following steps:
- a target time parameter is received, where the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate service time information of the cell.
- step 1002 in response to the target time parameter including the first duration parameter, a timing duration of a cell reselection timer is configured based on the first duration parameter.
- the system message received by the terminal includes the first duration parameter, and the terminal configures the timing duration of the cell reselection timer as the parameter value of the first duration parameter in the system message.
- the terminal may configure the timing duration of the cell reselection timer as the first duration parameter in the RRC connection release message.
- the parameter value of a duration parameter may be configured for the first duration parameter included in the RRC connection release message.
- the parameter value of the first duration parameter included in the system message is configured by the base station for all terminals in the cell
- the parameter value of the first duration parameter in the RRC connection release message is configured by the base station for all terminals in the cell.
- the parameter values of the first duration parameter in the RRC connection release message corresponding to different terminals may be different.
- the terminal when the terminal receives not only the system message including the first duration parameter, but also the RRC connection release message including the first duration parameter, the terminal changes the timing of the cell reselection timer.
- the duration is configured as the parameter value of the first duration parameter in the RRC connection release message.
- step 1003 in response to the timeout of the cell reselection timer, cell reselection is performed.
- the terminal when the cell re-timer times out, the terminal can immediately perform neighbor cell measurement, and perform cell reselection based on the neighbor cell measurement result.
- the neighbor cell measurement includes but is not limited to at least one of the following: acquiring the neighbor cell ID, reading the system information of the neighbor cell, measuring the signal quality of the neighbor cell, etc.
- the terminal can perform cell reselection based on the first duration parameter in the target time parameter configured by the base station, so as to realize the purpose of timely cell reselection and ensure the normal operation of the terminal service.
- the terminal may enter the cell through cell reselection, and the terminal receives a system message including the first duration parameter, at this time, the terminal triggers the start of the cell reselection timer.
- the timing duration of the cell reselection timer is the parameter value of the first duration parameter in the system message.
- the terminal switches from the connected state to the idle state or the inactive state, and receives an RRC connection release message including the first duration parameter, at this time, the terminal may trigger the start of the cell reselection timer.
- the timing duration of the cell reselection timer is the parameter value of the first duration parameter in the RRC connection release message.
- the terminal switches from a connected state to an idle state or an inactive state, and the received RRC connection release message does not include the first duration parameter, but the received system message includes the The first duration parameter, at this time, the terminal triggers to start the cell reselection timer.
- the timing duration of the cell reselection timer is the parameter value of the first duration parameter in the system message.
- the received RRC connection release message includes the first duration parameter
- the received system message includes the first duration parameter
- the terminal triggers the start-up
- the cell reselection timer and the timing duration of the cell reselection timer is the parameter value of the first duration parameter in the RRC connection release message.
- the terminal can trigger and start the cell reselection timer according to its own state, and set the timing duration, so as to ensure that the cell reselection can be performed in time based on the target time parameter configured by the base station.
- FIG. 11 is a flowchart of a method for cell reselection according to an embodiment. The method can be executed by a terminal and includes the following steps:
- a target time parameter is received, where the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate service time information of the cell.
- step 1102 in response to the target time parameter including the first time point parameter, before the time point indicated by the first time point parameter or when the time point indicated by the first time point parameter is reached, perform Cell reselection.
- the terminal may perform neighbor cell measurement before the time point indicated by the first time point or at the time point indicated, and perform cell reselection based on the neighbor cell measurement result.
- the neighbor cell measurement includes, but is not limited to, at least one of the following: acquiring the neighbor cell ID, reading the system information of the neighbor cell, measuring the signal quality of the neighbor cell, and the like.
- the terminal can perform cell reselection based on the first time point parameter in the target time parameter configured by the base station, which achieves the purpose of timely cell reselection and ensures the normal operation of the terminal service.
- the target time parameter may further include a second time parameter, where the second time parameter is used to indicate service time information of a neighboring cell.
- the second time parameter includes at least one of the following: a second duration parameter used to indicate service duration information that a neighboring cell is about to provide a service to the terminal, a start time point used to indicate a neighboring cell to provide a service The second time point parameter of the information, and the third time point parameter of the time point information used to instruct the neighbor cell to stop providing services.
- the terminal may determine, based on the second duration parameter, a candidate neighbor cell for cell reselection, and determine the to-be-handover based on at least one candidate neighbor cell target neighbor cell.
- the terminal may select the neighbor cell with the longest service duration indicated by the second duration parameter as the target neighbor cell during cell reselection.
- the terminal may determine the target neighboring cell to be handed over during cell reselection based on the second duration parameter included in the target time parameter for indicating duration information for the neighboring cell to provide services, so that the terminal can perform cell reselection.
- the target time parameter configured by the base station a more reasonable target neighbor cell is selected, and the availability is high.
- the terminal may base on the second time point parameter and the third time point parameter At least one of , determines the target neighbor cell to be handed over when performing cell reselection.
- the time points indicated by the second time point parameter of the neighboring cell are all located after the time point when the current cell stops providing services, and the terminal may select the time point indicated by the second time point parameter that is closest to the current cell stopping providing services.
- the neighbor cell at the serving time point is used as the target neighbor cell.
- the time point indicated by the at least one second time point parameter of the neighbor cell is before the time point when the current cell stops providing services, and the terminal may select the neighbor cell with the best signal quality among these neighbor cells. cell as the target neighbor cell.
- the terminal may select the neighbor cell with the latest time point indicated by the third time point parameter as the target neighbor cell.
- the terminal may determine the target neighbor cell according to the time point parameter of the neighbor cell providing service or stopping the service, all should belong to the protection scope of the present disclosure.
- the terminal may determine the target neighboring cell to be handed over during cell reselection based on at least one of the second time point parameter and the third time point parameter included in the target time parameter, so that during cell reselection, based on the base station Configured target time parameters, select a more reasonable target neighbor cell, and have high availability.
- the timing duration remains unchanged. Even if the base station side updates the parameter value of the first duration parameter in the system message, the terminal will not change the timing duration of the cell reselection timer.
- FIG. 12 is a flowchart of a method for cell reselection according to an embodiment, including the following steps:
- the base station configures the terminal with a target time parameter for cell reselection, where the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate service time information of the cell.
- step 1202 the base station broadcasts a system message including the target time parameter.
- the base station in response to the target time parameter including the first duration parameter used to indicate the service duration information that the cell can provide the service, the base station updates the information included in the system message in each transmission cycle of the system message.
- the parameter value of the first duration parameter in response to the target time parameter including the first duration parameter used to indicate the service duration information that the cell can provide the service, the base station updates the information included in the system message in each transmission cycle of the system message. The parameter value of the first duration parameter.
- Step 1203 is an optional step. If the target time parameter does not include the first duration parameter but only includes the first time point parameter, the base station does not need to update the parameter value of the first time point parameter included in the system message.
- the system message update notification (not shown in FIG. 12 ) will not be triggered.
- step 1204 the terminal performs cell reselection based on the target time parameter in the system message.
- the terminal may configure the timing duration of the cell reselection timer as the parameter value of the first duration parameter in the system message, and when the cell is reselection When the timer expires, the neighbor cell measurement is performed immediately, and the cell reselection is performed according to the neighbor cell measurement result.
- the terminal may perform a Neighbor cell measurement, and perform cell reselection according to the neighbor cell measurement result.
- the base station may broadcast a system message including the target time parameter, so that the terminal receives the target time parameter.
- the purpose of configuring the target time parameter for cell reselection by the network side for the terminal is realized.
- the terminal may perform cell reselection based on the received target time parameter. It is ensured that the terminal can perform cell reselection in time, and the normal operation of the terminal service is ensured.
- FIG. 13 is a flowchart of a cell reselection method according to an embodiment, including the following steps:
- the base station configures a target time parameter for the terminal for cell reselection, where the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate service time information of the cell.
- step 1302 in response to determining that the terminal switches from the connected state to the idle state or the inactive state, the base station sends an RRC connection release message including the target time parameter to the terminal.
- the target time parameter includes the first duration parameter
- the parameter value of the first duration parameter included in the RRC connection release message is the difference between the maximum service duration provided for the cell and the service duration currently provided by the cell.
- step 1303 the terminal performs cell reselection based on the target time parameter in the RRC connection release message.
- the method of the terminal performing cell reselection based on the target time parameter in the RRC connection release message is the same as the method in the foregoing step 1204, which is not repeated here.
- the base station may send the RRC message including the target time parameter to the terminal, so that the terminal receives the target time parameter.
- the purpose of configuring the target time parameter for cell reselection by the network side for the terminal is realized.
- the terminal may perform cell reselection based on the received target time parameter. It is ensured that the terminal can perform cell reselection in time, and the normal operation of the terminal service is ensured.
- the present disclosure further provides an application function implementation device embodiment.
- FIG. 14 is a block diagram of an apparatus for configuring cell reselection parameters according to an exemplary embodiment.
- the apparatus is used in a base station, including:
- the time parameter configuration module 1401 is configured to configure a target time parameter for performing cell reselection for the terminal, where the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate the service time of the cell information;
- the sending module 1402 is configured to send the target time parameter.
- FIG. 15 is a block diagram of a cell reselection apparatus according to an exemplary embodiment.
- the apparatus is used in a terminal, including:
- the receiving module 1501 is configured to receive a target time parameter, where the target time parameter includes at least a first time parameter, and the first time parameter is used to indicate service time information of the cell;
- the cell reselection module 1502 is configured to perform cell reselection based on the target time parameter.
- the present disclosure also provides a computer-readable storage medium, where a computer program is stored in the storage medium, and the computer program is used to execute any one of the cell reselection methods described above for the base station side.
- the present disclosure also provides a computer-readable storage medium, where the storage medium stores a computer program, and the computer program is used to execute any of the foregoing methods for configuring cell reselection parameters on the terminal side.
- the present disclosure also provides an apparatus for configuring cell reselection parameters, including:
- memory for storing processor-executable instructions
- the processor is configured to execute any one of the above-described methods for configuring cell reselection parameters on the base station side.
- FIG. 16 is a schematic structural diagram of a cell reselection apparatus 1600 according to an exemplary embodiment.
- the apparatus 1600 may be provided as a base station.
- apparatus 1600 includes a processing component 1622, a wireless transmit/receive component 1624, an antenna component 1626, and a signal processing portion specific to a wireless interface, which may further include one or more processors.
- One of the processors in the processing component 1622 may be configured to perform any one of the above-described methods for configuring cell reselection parameters on the base station side.
- the present disclosure also provides a cell reselection device, comprising:
- memory for storing processor-executable instructions
- the processor is configured to execute any one of the cell reselection methods described above on the terminal side.
- FIG. 17 is a block diagram of an electronic device 1700 according to an exemplary embodiment.
- the electronic device 1700 may be a terminal such as a mobile phone, a tablet computer, an e-book reader, a multimedia playback device, a wearable device, a vehicle-mounted terminal, an iPad, and a smart TV.
- an electronic device 1700 may include one or more of the following components: a processing component 1702, a memory 1704, a power supply component 1706, a multimedia component 1708, an audio component 1710, an input/output (I/O) interface 1712, a sensor component 1716, And the communication component 1718.
- the processing component 1702 generally controls the overall operations of the electronic device 1700, such as operations associated with display, phone calls, data paging, camera operations, and recording operations.
- the processing component 1702 can include one or more processors 1720 to execute instructions to perform all or part of the steps of the cell reselection method described above.
- processing component 1702 may include one or more modules that facilitate interaction between processing component 1702 and other components.
- processing component 1702 may include a multimedia module to facilitate interaction between multimedia component 1708 and processing component 1702.
- the processing component 1702 can read executable instructions from the memory to implement the steps of a cell reselection method provided by the above embodiments.
- Memory 1704 is configured to store various types of data to support operation at electronic device 1700 . Examples of such data include instructions for any application or method operating on electronic device 1700, contact data, phonebook data, messages, pictures, videos, and the like. Memory 1704 may be implemented by any type of volatile or nonvolatile storage device or 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, Magnetic 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
- Magnetic or Optical Disk Magnetic Disk
- Power supply component 1706 provides power to various components of electronic device 1700 .
- Power supply components 1706 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to electronic device 1700 .
- Multimedia component 1708 includes a display screen that provides an output interface between the electronic device 1700 and the user.
- the multimedia component 1708 includes a front-facing camera and/or a rear-facing camera.
- the front camera and/or the rear camera may receive external multimedia data.
- Each of the front and rear cameras can be a fixed optical lens system or have focal length and optical zoom capability.
- Audio component 1710 is configured to output and/or input audio signals.
- audio component 1710 includes a microphone (MIC) that is configured to receive external audio signals when electronic device 1700 is in operating modes, such as call mode, recording mode, and voice recognition mode. The received audio signal may be further stored in memory 1704 or transmitted via communication component 1718.
- audio component 1710 also includes a speaker for outputting audio signals.
- the I/O interface 1712 provides an interface between the processing component 1702 and a 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: home button, volume buttons, start button, and lock button.
- Sensor assembly 1716 includes one or more sensors for providing various aspects of status assessment for electronic device 1700 .
- the sensor assembly 1716 can detect the on/off state of the electronic device 1700, the relative positioning of the components, such as the display and keypad of the electronic device 1700, the sensor assembly 1716 can also detect the electronic device 1700 or one of the electronic device 1700 The location of components changes, the presence or absence of user contact with the electronic device 1700, the orientation or acceleration/deceleration of the electronic device 1700, and the temperature of the electronic device 1700 changes.
- Sensor assembly 1716 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact.
- Sensor assembly 1716 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
- the sensor assembly 1716 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
- Communication component 1718 is configured to facilitate wired or wireless communication between electronic device 1700 and other devices.
- the electronic device 1700 may access wireless networks based on communication standards, such as Wi-Fi, 2G, 3G, 4G, 5G or 6G, or a combination thereof.
- the communication component 1718 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel.
- the communication component 1718 also includes a near field communication (NFC) module to facilitate short-range paging.
- the NFC module may 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
- electronic device 1700 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 A programmed gate array (FPGA), a controller, a microcontroller, a microprocessor or other electronic components are implemented for implementing any of the cell reselection methods described above.
- ASICs application specific integrated circuits
- DSPs digital signal processors
- DSPDs digital signal processing devices
- PLDs programmable logic devices
- FPGA field programmable A programmed gate array
- controller a controller
- microcontroller a microprocessor or other electronic components
- a non-transitory machine-readable storage medium including instructions such as a memory 1704 including instructions, is also provided, and the instructions can be executed by the processor 1720 of the electronic device 1700 to complete the cell reselection method described above.
- the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
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Abstract
Description
Claims (28)
- 一种配置小区重选参数的方法,其特征在于,所述方法用于基站,包括:为终端配置用于进行小区重选的目标时间参数,所述目标时间参数至少包括第一时间参数,所述第一时间参数用于指示所述小区的服务时间信息;发送所述目标时间参数。
- 根据权利要求1所述的方法,其特征在于,所述第一时间参数包括以下至少一项:用于指示所述小区能够提供服务的服务时长信息的第一时长参数、用于指示所述小区停止提供服务的时间点信息的第一时间点参数。
- 根据权利要求1或2所述的方法,其特征在于,所述发送所述目标时间参数,包括:广播包括所述目标时间参数的系统消息。
- 根据权利要求3所述的方法,其特征在于,还包括:响应于所述目标时间参数包括用于指示所述小区能够提供服务的服务时长信息的第一时长参数,在系统消息的每个发送周期,更新所述系统消息中包括的所述第一时长参数的参数值。
- 根据权利要求4所述的方法,其特征在于,所述更新所述系统消息中包括的所述第一时长参数的参数值之后,还包括:不触发系统消息更新通知。
- 根据权利要求4所述的方法,其特征在于,所述更新所述系统消息中包括的所述第一时长参数的参数值,包括:基于所述小区能够提供服务的最大服务时长和系统消息的每个发送周期的周期时长,确定所述每个发送周期所述系统消息中包括的所述第一时长参数的参数值。
- 根据权利要求1或2所述的方法,其特征在于,所述发送所述目标时间参数,包括:向所述终端发送包括所述目标时间参数的RRC消息。
- 根据权利要求7所述的方法,其特征在于,所述向所述终端发送包括所述目标时间参数的RRC消息,包括:响应于确定所述终端从连接态切换到空闲态或非激活态,向所述终端发送包括所述目标时间参数的RRC连接释放消息。
- 根据权利要求8所述的方法,其特征在于,还包括:响应于所述目标时间参数包括用于指示所述小区能够提供服务的服务时长信息的第一时长参数,基于所述小区能够提供服务的最大服务时长和已提供的服务时长,确定所述RRC连接释放消息中包括的所述第一时长参数的参数值。
- 根据权利要求1所述的方法,其特征在于,所述目标时间参数还包括第二时间参数,所述第二时间参数用于指示邻小区的服务时间信息。
- 根据权利要求10所述的方法,其特征在于,所述第二时间参数包括以下至少一项:用于指示邻小区即将为所述终端提供服务的服务时长信息的第二时长参数、用于指示邻小区提供服务的起始时间点信息的第二时间点参数、用于指示邻小区停止提供服务的时间点信息的第三时间点参数。
- 一种小区重选方法,其特征在于,所述方法用于终端,包括:接收目标时间参数,所述目标时间参数至少包括第一时间参数,所述第一时间参数用于指示所述小区的服务时间信息;基于所述目标时间参数,进行小区重选。
- 根据权利要求12所述的方法,其特征在于,所述第一时间参数包括以下至少一项:用于指示所述小区能够提供服务的服务时长信息的第一时长参数、用于指示所述小区停止提供服务的起始时间点信息的第一时间点参数。
- 根据权利要求13所述的方法,其特征在于,所述基于所述目标时间参数,进行小区重选,包括:响应于所述目标时间参数包括所述第一时长参数,基于所述第一时长参数,配置小区重选定时器的定时时长;响应于所述小区重选定时器超时,进行小区重选。
- 根据权利要求14所述的方法,其特征在于,所述基于所述第一时长参数,配置小区重选定时器的定时时长,包括以下任一项:基于接收到的系统消息中包括的所述第一时长参数的参数值,配置所述小区重选定时器的定时时长;或,基于接收到的RRC连接释放消息中包括的所述第一时长参数的参数值,配置所述小区重选定时器的定时时长;或,响应于接收到包括所述第一时长参数的系统消息和包括所述第一时长参数的RRC连接释放消息,基于所述RRC连接释放消息中包括的所述第一时长参数的参数值,配置所述小区重选定时器的定时时长。
- 根据权利要求14所述的方法,其特征在于,还包括以下任一项:响应于通过小区重选进入所述小区,且接收到包括所述第一时长参数的系统消息,触发启动所述小区重选定时器;响应于由连接态切换到空闲态或非激活态,且接收到包括所述第一时长参数的RRC连接释放消息,触发启动所述小区重选定时器;响应于由连接态切换到空闲态或非激活态,且接收到的RRC连接释放消息中不包括第一时长参数,但接收到的所述系统消息中包括所述第一时长参数,触发启动所述小区重选定时器。
- 根据权利要求13所述的方法,其特征在于,所述基于所述目标时间参数,进行小区重选,包括:响应于所述目标时间参数包括所述第一时间点参数,在所述第一时间点参数指示的时间点之前或者到达所述第一时间点参数指示的时间点时,进行小区重选。
- 根据权利要求12-17任一项所述的方法,其特征在于,所述目标时间参数还包括第二时间参数,所述第二时间参数用于指示邻小区的服务时间信息。
- 根据权利要求18所述的方法,其特征在于,所述第二时间参数包括以下至少一项:用于指示邻小区即将为所述终端提供服务的服务时长信息的第二时长参数、用于指示邻小区提供服务的起始时间点信息的第二时间点参数、用于指示邻小区停止提供服务的时间点信息的第三时间点参数。
- 根据权利要求19所述的方法,其特征在于,还包括:响应于所述目标时间参数包括所述第二时长参数,基于所述第二时长参数确定进行小区重选时待切换的目标邻小区。
- 根据权利要求19所述的方法,其特征在于,还包括:响应于所述目标时间参数包括所述第二时间点参数和所述第三时间点参数中的至少一项,基于所述第二时间点参数和所述第三时间点参数中的至少一项,确定进行小区重选时待切换的目标邻小区。
- 根据权利要求14-16任一项所述的方法,其特征在于,所述小区重选定时器启动后,所述小区重选定时器的定时时长不变。
- 一种配置小区重选参数的装置,其特征在于,所述装置用于基站,包括:时间参数配置模块,被配置为为终端配置用于进行小区重选的目标时间参数,所述目标时间参数至少包括第一时间参数,所述第一时间参数用于指示所述小区的服务时间信息;发送模块,被配置为发送所述目标时间参数。
- 一种小区重选装置,其特征在于,所述装置用于终端,包括:接收模块,被配置为接收目标时间参数,所述目标时间参数至少包括第一时间参数,所述第一时间参数用于指示所述小区的服务时间信息;小区重选模块,被配置为基于所述目标时间参数,进行小区重选。
- 一种计算机可读存储介质,其特征在于,所述存储介质存储有计算机程序,所述计算机程序用于执行上述权利要求1-11任一项所述的配置小区重选参数的方法。
- 一种计算机可读存储介质,其特征在于,所述存储介质存储有计算机程序,所述计算机程序用于执行上述权利要求12-22任一项所述的小区重选方法。
- 一种配置小区重选参数的装置,其特征在于,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为用于执行上述权利要求1-11任一项所述的配置小区重选参数的方法。
- 一种小区重选装置,其特征在于,包括:处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为用于执行上述权利要求12-22任一项所述的小区重选方法。
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2021
- 2021-03-30 WO PCT/CN2021/083883 patent/WO2022204927A1/zh active Application Filing
- 2021-03-30 EP EP21933612.0A patent/EP4319285A4/en active Pending
- 2021-03-30 CN CN202180000776.1A patent/CN115462122A/zh active Pending
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EP4319285A1 (en) | 2024-02-07 |
CN115462122A (zh) | 2022-12-09 |
EP4319285A4 (en) | 2024-05-01 |
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