CN112788703A - Cell residence control method, terminal and storage medium - Google Patents
Cell residence control method, terminal and storage medium Download PDFInfo
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- CN112788703A CN112788703A CN202110201545.9A CN202110201545A CN112788703A CN 112788703 A CN112788703 A CN 112788703A CN 202110201545 A CN202110201545 A CN 202110201545A CN 112788703 A CN112788703 A CN 112788703A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
- H04W48/04—Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction, speed
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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
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a cell residence control method, which comprises the steps of receiving broadcast messages of at least one cell sent by a base station, extracting effective geographical position information in the broadcast messages of each cell to obtain an effective geographical position range of each cell, acquiring the current geographical position of a terminal, taking the cell with the current geographical position within the effective geographical position range as an effective cell, and finally determining a target cell from the effective cell, wherein the effective geographical position information of the cell is added into the broadcast messages of the cell by adopting the cell residence control method provided by the embodiment of the invention, so that the terminal can receive the effective geographical position range of the cell, the terminal can reside in the target cell with the current geographical position within the effective geographical position range according to the effective geographical position range, and the condition that the corresponding communication function cannot be obtained when the terminal resides in the cell is avoided, the user experience is improved.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a cell residence control method, a terminal, and a storage medium.
Background
Before a terminal (also called UE (User Equipment)) camps on a suitable 5G cell, cell selection needs to be performed first, and it can be known from the existing conditions for UE camping on a suitable 5G cell by referring to the TS 38.304 protocol specification of the third Generation Partnership Project (3 GPP), that is, the 5G cell only needs to satisfy several simple conditions for UE to camp on.
However, when the existing UE camps on a 5G cell, the 5G communication function is often unavailable, for example, when the UE searches for a plurality of 5G cells, the UE may select to camp on a 5G cell corresponding to any condition that satisfies the 3GPP protocol, but the UE camps on the 5G cell and cannot obtain the 5G communication function, so that the problem that the UE camps on the 5G cell and cannot obtain the 5G communication function is needed to be solved.
Disclosure of Invention
The embodiment of the invention aims to provide a cell residence control method, so as to solve the technical problem that the existing UE (user equipment) resides in a cell but cannot obtain a corresponding communication function.
In order to achieve the above object, an embodiment of the present invention provides a cell residence control method, which is applied to a terminal, and includes the following steps:
receiving a broadcast message of at least one cell sent by a base station;
extracting effective geographical position information in the broadcast message of each cell to obtain an effective geographical position range of each cell;
acquiring the current geographic position of the terminal;
taking the cell with the current geographic position within the effective geographic position range as an effective cell;
and determining a target cell from the effective cells.
In this embodiment, after the step of extracting the effective geographic location information in the broadcast message of each cell to obtain the effective geographic location range of each cell, the cell camping control method further includes:
determining the selection priority of each cell according to the distance from the current geographical position of the terminal to the center of the effective geographical position range of each cell;
the step of determining a target cell from the active cells includes:
and determining a target cell from the effective cells according to the selection priority.
In this embodiment, after the step of using the cell with the current geographic position within the effective geographic position range as the effective cell, the cell camping control method further includes:
analyzing the broadcast message of each effective cell to obtain a plurality of cell selection information corresponding to each effective cell;
the step of determining a target cell from the active cells according to the selection priority comprises:
determining a candidate cell which can be selected to reside from the effective cells according to cell selection information;
determining a target cell to be selected to reside in from the candidate cells according to the selection priority;
or determining candidate cells which can be selectively resided from the effective cells according to the selection priority;
determining a target cell to be selected to reside from the candidate cells according to cell selection information;
or determining to select the resident target cell from the effective cells according to the selection priority and the cell selection information.
In this embodiment, the step of determining to select a camped target cell from the candidate cells according to the selection priority includes:
acquiring a daily moving path of the terminal;
detecting whether the current geographic position of the terminal and the daily moving path meet a preset position relation or not;
if yes, determining the candidate cell with the strongest signal intensity as a target cell for selecting to reside;
otherwise, determining the candidate cell with the highest selection priority as the target cell for selecting to reside.
In this embodiment, the step of determining to select a camped target cell from the candidate cells according to the selection priority includes:
when a plurality of candidate cells with the same selection priority exist, respectively detecting the reference signal received power and the reference signal received quality of each candidate cell;
and selecting the target cell which resides in the highest average value of the reference signal received power and the reference signal received quality.
In this embodiment, after the step of using the cell with the current geographic position within the effective geographic position range as the effective cell, the cell camping control method further includes:
analyzing the broadcast message of each effective cell to obtain a plurality of cell selection information corresponding to each effective cell;
the step of determining a target cell from the active cells includes:
and determining a target cell from the effective cells according to the cell selection message.
As another embodiment of the present invention, an embodiment of the present invention further provides a cell camping control method, which is applied to a base station, and includes the following steps:
sending a broadcast message of at least one cell to a terminal, wherein the broadcast message comprises effective geographic position information allowed to reside in the cell, and the effective geographic position information comprises an effective geographic position range;
receiving a registration request for a target cell sent by the terminal, wherein the target cell is determined by the terminal according to the at least one cell;
acquiring the current geographic position of the terminal;
accepting and processing the registration request when the current geographic location is within the valid geographic location range.
In this embodiment, after the receiving the registration request for the target cell sent by the terminal, the method further includes:
and when the current geographic position of the terminal is not within the range of the effective geographic position, rejecting and discarding the registration request.
Optionally, an embodiment of the present invention further provides a terminal, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, where the memory is coupled to the processor, and when the processor executes the computer program, the cell residence control method executed in the terminal is implemented.
Optionally, an embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program, where the computer program is adapted to be loaded by a processor to execute the above-mentioned cell residence control method executed in a terminal.
The embodiment of the invention provides a cell residence control method, which comprises the steps of receiving broadcast messages of at least one cell sent by a base station, extracting effective geographical position information in the broadcast messages of each cell to obtain an effective geographical position range of each cell, obtaining the current geographical position of a terminal, taking the cell with the current geographical position within the effective geographical position range as an effective cell, and finally determining a target cell from the effective cell, wherein the effective geographical position information of the cell is added into the broadcast messages of the cell, so that the terminal can receive the effective geographical position range of the cell, the terminal can reside in the target cell with the current geographical position within the effective geographical position range according to the effective geographical position range, and the situation that the terminal cannot obtain a corresponding communication function after residing in the cell is avoided, the user experience is improved.
Drawings
Fig. 1 is a flowchart illustrating an embodiment of a cell camping control method for a terminal according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a cell camping control method performed in a terminal according to another embodiment of the present invention;
fig. 3 is a schematic diagram of an application scenario of the cell camping control method performed in the terminal according to the embodiment of the present invention;
fig. 4 is a flowchart illustrating an embodiment of a cell camping control method operating in a base station according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a cell residence control device according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a cell residence control device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a flowchart illustrating a cell camping control method for a terminal according to an embodiment of the present invention, where as shown in fig. 1, the cell camping control method for a terminal includes steps S101 to S105;
s101, receiving a broadcast message of at least one cell sent by a base station.
According to the specification of the 3GPP TS 38.304 protocol, the broadcast message of the existing cell includes information such as control channel description parameters and cell selection parameters, but does not include effective geographic location information of the cell that allows camping, i.e., the existing 3GPP TS 38.304 protocol specification does not consider the specific geographic location range factor of the cell, so that the UE searches for a location other than the effective geographic location of the target cell and camps on the target cell, and the UE cannot obtain a corresponding communication function when camping on the target cell.
In this embodiment, the existing broadcast message of the 5G cell has the above technical problem, and the UE can search for and reside in the 5G target cell at a location other than the effective geographic location of the 5G cell, but the UE cannot use the communication function of the 5G, which affects the daily life of the user and reduces the user experience.
In order to solve the above technical problem that the UE camped on the target cell cannot obtain the corresponding communication function, in this embodiment, the base station cell adds the parameters related to normal cell selection in the broadcast message, and further needs to add the effective geographic location information allowing the UE to camp on the cell in the broadcast message, so that when the UE searches for the base station and executes the cell selection camping process, the UE can obtain the effective geographic location information allowing the UE to normally camp on the cell from the broadcast message, in addition to obtaining the related parameters (such as the information of the public land mobile network of the cell, whether the parameters are prohibited, and the like) selected by the cell from the broadcast message.
S102, extracting effective geographic position information in the broadcast message of each cell to obtain an effective geographic position range of each cell.
In this embodiment, because the base station adds the effective geographic location information that allows the UE to reside in the cell to the broadcast message of the cell, after receiving the broadcast message of the cell, the UE extracts the effective geographic location information that allows the UE to reside in the cell from the broadcast message of each cell, and obtains the effective geographic location range of the cell, so that the UE can determine the cell that can be selected to reside according to the effective geographic location range of each cell, and avoid the UE from residing in a cell outside the effective geographic location range, thereby preventing the UE from searching in a location outside the effective geographic location range of the cell and residing in the cell, preventing the UE from being unable to use a corresponding communication function, and improving user experience.
And S103, acquiring the current geographic position of the terminal.
And S104, taking the cell with the current geographic position of the terminal within the effective geographic position range as an effective cell.
In this embodiment, after step S104, after obtaining the valid cell, the method further includes: and analyzing the broadcast message of each effective cell to obtain a plurality of cell selection information corresponding to each effective cell.
After the effective cells are obtained, a subsequent selective camping process may be performed, that is, the broadcast message of each effective cell needs to be analyzed first, so as to obtain a plurality of cell selection information corresponding to each effective cell, and determine a target cell to be selectively camped from the effective cells according to the plurality of cell selection information corresponding to each effective cell and the 3GPP TS 38.304 protocol specification.
Because the existing cell residence methods select a suitable cell to residence according to the 3GPP TS 38.304 protocol specification, and the 3GPP TS 38.304 protocol specification does not specify that the UE is prohibited to reside in the target cell at a location outside the effective geographic location range of the target cell, but the UE cannot obtain the corresponding 5G communication function when residing in the 5G cell at a location outside the effective geographic location range of the 5G cell, based on the existing technical problems, embodiments of the present invention provide a cell residence control method, which determines whether the current geographic location of the UE is within the effective geographic location range of the target cell before the cell residence process is performed, so as to use the cell whose current geographic location of the UE is within the effective geographic location range of the target cell as an effective cell, and then make the UE perform the residence process of cell selection, the method can improve the cell selection residing flow of the existing 3GPP protocol specification, and avoid the technical problem that the corresponding 5G communication function can not be obtained when the UE resides in the 5G cell at the position outside the effective geographic position range of the 5G cell.
In this embodiment, when the UE is within the effective geographic location range of the cell where the UE resides, the corresponding communication function can be obtained, but when the UE is outside the effective geographic location range of the cell where the UE resides, the corresponding communication function cannot be obtained, so that the cell where the current geographic location of the UE is within the effective geographic location range is taken as the effective cell, and the UE is limited to reside only in the effective cell, so that the UE can only select one of the effective cells to reside in a subsequent camping selection process, and thus the UE can be ensured to obtain the corresponding communication function when residing in the effective cell.
For example, in this embodiment, when the UE selects and camps on the 5G active cell passing through the above definition in the subsequent selective camping process, the UE may obtain the corresponding 5G communication function, thereby avoiding the occurrence of the situation that the UE camps on the 5G cell but has no 5G communication function.
And S105, determining a target cell from the effective cells.
In the present embodiment, step S105 includes: and determining a target cell from the effective cells according to the cell selection message.
Optionally, after the broadcast message of each effective cell is analyzed to obtain the multiple cell selection messages corresponding to each effective cell, according to the residence condition specified in the 3GPP TS 38.304 protocol specification, it is determined whether the multiple cell selection messages corresponding to each effective cell meet the specification, so that a target cell where the UE can reside can be determined in the effective cell, and the UE is further controlled to reside in the target cell.
To sum up, the embodiment of the present invention provides a cell residence control method, which receives a broadcast message of at least one cell sent by a base station, extracts effective geographic location information in the broadcast message of each cell to obtain an effective geographic location range of each cell, obtains a current geographic location of a terminal, uses a cell with the current geographic location within the effective geographic location range as an effective cell, and finally determines a target cell from the effective cell, by using the cell residence control method provided by the embodiment of the present invention, the terminal can receive the effective geographic location range of the cell by adding the effective geographic location information of the cell to the broadcast message of the cell, so that the terminal resides in the target cell with the current geographic location within the effective geographic location range according to the effective geographic location range, the situation that the corresponding communication function cannot be obtained when the user stays in the cell is avoided, and the user experience is improved.
In another embodiment of the present invention, please refer to fig. 2, fig. 2 is a flowchart illustrating a cell camping control method for a terminal according to another embodiment of the present invention, and as shown in fig. 2, the cell camping control method for a terminal includes steps S201 to S211;
s201, receiving a broadcast message of at least one cell sent by a base station.
According to the specification of the 3GPP TS 38.304 protocol, the broadcast message of the existing cell includes information such as control channel description parameters and cell selection parameters, but does not include effective geographic location information of the cell that allows camping, i.e., the existing 3GPP TS 38.304 protocol specification does not consider the specific geographic location range factor of the cell, so that the UE searches for a location other than the effective geographic location of the target cell and camps on the target cell, and the UE cannot obtain a corresponding communication function when camping on the target cell.
In this embodiment, the existing broadcast message of the 5G cell has the above technical problem, and the UE can search for and reside in the 5G target cell at a location other than the effective geographic location of the 5G cell, but the UE cannot use the communication function of the 5G, which affects the daily life of the user and reduces the user experience.
In order to solve the above technical problem that the UE camped on the target cell cannot obtain the corresponding communication function, in this embodiment, the base station cell adds the parameters related to normal cell selection in the broadcast message, and further needs to add the effective geographic location information allowing the UE to camp on the cell in the broadcast message, so that when the UE searches for the base station and executes the cell selection camping process, the UE can obtain the effective geographic location information allowing the UE to normally camp on the cell from the broadcast message, in addition to obtaining the related parameters (such as the information of the public land mobile network of the cell, whether the parameters are prohibited, and the like) selected by the cell from the broadcast message.
S202, extracting effective geographic position information in the broadcast message sent by each cell to obtain an effective geographic position range of each cell.
In this embodiment, because the base station adds the effective geographic location information that allows the UE to reside in the cell to the broadcast message of the cell, after receiving the broadcast message of the cell, the UE extracts the effective geographic location information that allows the UE to reside in the cell from the broadcast message of each cell, and obtains the effective geographic location range of the cell, so that the UE can determine the cell that can be selected to reside according to the effective geographic location range of each cell, and avoid the UE from residing in a cell outside the effective geographic location range, thereby preventing the UE from searching in a location outside the effective geographic location range of the cell and residing in the cell, preventing the UE from being unable to use a corresponding communication function, and improving user experience.
S203, acquiring the current geographic position of the terminal.
And S204, determining the selection priority of each cell according to the distance from the current geographic position of the terminal to the center of the effective geographic position range of each cell.
The distance from the current geographical position of the terminal to the center of the effective geographical position range of each cell can be obtained by detecting the current geographical position of the terminal, and the selection priority of each cell is determined according to the distances.
For example, after the UE receives the broadcast messages of 3 cells (a first cell, a second cell, and a third cell), and extracts corresponding effective geographic location information from the broadcast messages, respectively, to obtain an effective geographic location range of the first cell of 500M, an effective geographic location range of the second cell of 1KM, and an effective geographic location range of the third cell of 1.5KM, then obtain the current geographic location of the UE, and simultaneously detect the distance from the UE to the center of the effective geographic location range of each cell, to obtain a distance from the UE to the center of the effective geographic location range of the first cell of 200M, a distance from the UE to the center of the effective geographic location range of the second cell of 100M, a distance from the UE to the center of the effective geographic location range of the third cell of 800M, and after obtaining the distance from the UE to the center of the effective geographic location range of each cell, these distances are used as determination conditions for determining the selection priority of each cell.
In order to avoid the occurrence of the handover coverage and weak coverage conditions to affect the normal communication function of the UE, the embodiment of the present invention determines the selection priority of each cell according to the distance from the current geographical position of the UE to the center position of the effective geographical position range of each cell, that is, the selection priority of the cell closest to the center position of the effective geographical position range is the highest, so that the UE selects the cell closest to the center position of the effective geographical position range, that is, the selection priority of the first cell is the highest.
Optionally, the selection priority of each cell may also be determined according to that the distance from the current geographic position of the terminal to the center of the effective geographic position range of each cell is within a preset distance range, for example, 3 distance ranges are preset, and each distance range corresponds to one selection priority, where the first distance range is 0M to 200M, the second distance range is 201M to 500M, and the third distance range is 501M to 2KM, and when it is detected that the distances from the current geographic position of the terminal to the centers of the effective geographic position ranges of 3 cells (the first cell, the second cell, and the third cell) are 100M, 300M, and 1KM respectively, it may be determined that the selection priority of the first cell is the highest, the selection priority of the second cell is the next, and the selection priority of the third cell is the lowest.
In addition, the selection priority of the cell corresponding to the farthest distance from the terminal to the center of the effective geographic position range may also be used as the highest selection priority, and a specific selection priority determination manner may be determined according to a specific application scenario, which is not limited herein.
S205, taking the cell with the current geographic position of the terminal within the effective geographic position range as an effective cell.
Because the existing cell residence methods control the UE to select a suitable cell for residence according to the 3GPP TS 38.304 protocol specification, and the 3GPP TS 38.304 protocol specification does not specify that the UE is prohibited from residing in the target cell at a location outside the effective geographic location range of the target cell, but the corresponding 5G communication function cannot be obtained when the UE resides in the 5G cell at a location outside the effective geographic location range of the 5G cell, based on the existing technical problems, embodiments of the present invention provide a cell residence control method operating in a terminal, which determines whether the current geographic location of the UE is within the effective geographic location range of the target cell before the cell residence process is performed, so as to use the cell whose current geographic location of the UE is within the effective geographic location range of the target cell as the effective cell, and then the UE executes the cell selection resident process, so that the cell selection resident process specified by the existing 3GPP protocol can be perfected, and the technical problem that the corresponding 5G communication function can not be obtained when the UE resides in the 5G cell at the position outside the effective geographic position range of the 5G cell is avoided.
In this embodiment, when the UE is within the effective geographic location range of the cell where the UE resides, the corresponding communication function can be obtained, but when the UE is outside the effective geographic location range of the cell where the UE resides, the corresponding communication function cannot be obtained, so that the cell where the current geographic location of the UE is within the effective geographic location range is taken as the effective cell, and the UE is limited to reside only in the effective cell, so that the UE can only select one of the effective cells to reside in a subsequent camping selection process, and thus, when the UE resides in the effective cell, the corresponding communication function can be obtained certainly.
For example, in this embodiment, when the UE selects and camps on the 5G active cell passing through the above definition in the subsequent selective camping process, the UE may obtain the corresponding 5G communication function, thereby avoiding the occurrence of the situation that the UE camps on the 5G cell but has no 5G communication function.
S206, analyzing the broadcast message of each effective cell to obtain a plurality of cell selection information corresponding to each effective cell.
After the effective cells are obtained, a subsequent selective camping process may be performed, that is, the broadcast message of each effective cell needs to be analyzed first, so as to obtain a plurality of cell selection information corresponding to each effective cell, and determine a target cell to be selectively camped from the effective cells according to the plurality of cell selection information corresponding to each effective cell and the 3GPP TS 38.304 protocol specification.
In this embodiment, the cell selection information includes at least one of state information, public land mobile network information, configuration information, and tracking area information of a cell.
The state information of the cell is used for determining the received power and the received signal quality in cell search, whether the cell is forbidden and other information, so as to judge whether the cell can meet the normal communication function of the UE; the public land mobile network information is used for determining a public land mobile network identifier of a cell, so as to judge whether the public land mobile network of the cell is a public land mobile network selected by the UE, or a public land mobile network registered by the UE, or an equivalent public land mobile network of the UE, and further determine whether the UE can use the public land mobile network of the cell to perform a normal communication function; the configuration information is used for enabling the UE to normally access the cell; the tracking area information is used for determining whether the cell belongs to a tracking area which is not forbidden to roam, so that whether the UE can normally use the communication function is determined.
And S207, determining a candidate cell which can be selected to reside from the effective cells according to the cell selection information.
In this embodiment, whether a plurality of cell selection information corresponding to the active cell satisfy a preset selection condition is detected, so that a candidate cell that can be selectively camped on can be determined in the active cell.
The preset selection condition comprises at least one of the received power in the cell search is greater than a first preset value, the quality of the signal received in the cell search is greater than a second preset value, the public land mobile network where the cell is located is a public land mobile network available for the terminal, the cell is not forbidden, and the cell belongs to a tracking area which is not forbidden to roam.
Wherein the first preset value and the second preset value are one digit values in the range of 0-10.
In the embodiment of the invention, when a plurality of candidate cells are determined, in order to meet various communication requirements of daily life of a user, a candidate cell matched with a current application scenario can be selected from the plurality of candidate cells as a target cell according to a specific application scenario, so that the intellectualization of cell selection by the UE is realized, and the communication experience of the user is improved.
For example, referring to fig. 3, when the UE determines a plurality of candidate cells for the UE to selectively camp on from a plurality of effective cells, as shown in fig. 3, the plurality of candidate cells are a cell a, a cell B, and a cell C, respectively, and the user is a patrol officer, the patrol officer needs to patrol in a large area according to the patrol route shown in fig. 3, in order to ensure the safety of the patrol officer and improve the work efficiency of the patrol officer, the terminal of the patrol officer needs to maintain a good communication function, so that the patrol officer needs a stable communication environment to ensure the normal operation, and the current application scenario needs to match the cell corresponding to the stable communication environment, so the UE determines the selection priority as the selection priority of the stable communication environment, and in order to ensure the stability of the communication environment, the UE needs to select to camp on the whole patrol officer, or the candidate cell containing the maximum patrol range of the patrol worker, that is, the UE selects the cell containing the patrol route as the target cell according to the patrol route of the user and the effective geographic position ranges of the three cells, that is, as shown in fig. 3, it is determined that the a cell can contain the patrol route of the user, and the a cell is selected as the target cell, so that the situation that communication is unstable due to patrol to a position outside the effective geographic position range of the cell or frequent cell switching during patrol of the patrol worker can be avoided, and normal patrol work is ensured.
And S208, acquiring the daily moving path of the terminal.
In order to make the cell selection and residence process of the UE more intelligent, the embodiment of the present invention further obtains the daily moving path of the terminal, and selects a better target cell matched with the daily moving path of the terminal for residence according to the daily moving path of the terminal, thereby further improving the user experience of the user on the use of the communication function.
In this embodiment, the daily movement path includes a plurality of paths, each path corresponds to a different application scenario, for example, an office path, a dining path, a work path, a next work path, and the like, and the specific path that the daily movement path may include may be determined according to a specific application scenario, which is not limited herein.
S209, detecting whether the current geographic position of the terminal and the daily moving path meet a preset position relationship.
In this embodiment, after the daily movement path of the terminal is acquired, the position relationship between the current geographic position of the terminal and the daily movement path needs to be determined, for example, when the daily movement path is an office path, whether the current geographic position of the terminal is the end point of the office path is detected, so that it can be determined that the user has reached the company and starts working, that is, the current geographic position of the UE is not changed temporarily, and therefore it can be determined that the current requirement of the user is an environment with strong signal strength; when the current geographical position of the terminal is not the end point of the working path, the UE can be determined to move continuously according to the end point of the working path with higher probability, namely the requirement of the user is determined to be an environment with more stable signals, and the condition that the UE is switched and resides in other cells in the process that the UE moves continuously according to the end point of the working path is avoided, so that the phenomenon of unstable communication is caused.
And S210, if so, determining the candidate cell with the strongest signal strength as the target cell for selecting to reside.
In this embodiment, when the current geographic location of the terminal is the end point of the daily movement path, it may be determined that the current geographic location of the UE is likely not changed, that is, it is determined that the requirement of the user is an environment with stronger signal strength, so that the UE is controlled to select the target cell residing in the target cell with the strongest signal strength, thereby providing the environment with stronger signal strength for the user to meet the communication requirement of the user, and further improving the user experience.
And S211, otherwise, determining the candidate cell with the highest selection priority as the target cell for selecting to reside.
In this embodiment, when the current geographic location of the terminal is not the end point of the daily movement path, it may be determined that the current geographic location of the UE is changed at a high probability, it may be determined that the UE will continue to move according to the daily movement path, that is, it may be determined that the user's requirement is an environment where signals are relatively stable, and it is avoided that the UE switches and resides in other cells during the process of continuing to move according to the end point of the daily movement path, so that the communication is unstable.
In another embodiment of the present invention, when there are multiple target cells with the same selection priority, the reference signal received power and the reference signal received quality of each target cell are detected respectively, and the UE is controlled to select the target cell residing in the target cell with the highest average value of the reference signal received power and the reference signal received quality, so that an environment with the best communication quality can be provided for the user, and the user experience is improved.
The cell residence control methods provided in the above embodiments are all executed in the terminal, and the following embodiments will be explained from the cell residence control methods executed in the base station.
Referring to fig. 4, fig. 4 is a flowchart illustrating a cell camping control method for a base station according to an embodiment of the present invention, where as shown in fig. 4, the cell camping control method for a base station includes steps S401 to S404;
s401, sending a broadcast message of at least one cell to a terminal, wherein the broadcast message comprises effective geographic position information allowed to reside in the cell, and the effective geographic position information comprises an effective geographic position range.
According to the specification of the 3GPP TS 38.304 protocol, the broadcast message of the existing cell includes information such as control channel description parameters and cell selection parameters, but does not include effective geographic location information of the cell that allows camping, i.e., the existing 3GPP TS 38.304 protocol specification does not consider the specific geographic location range factor of the cell, so that the UE searches for a location other than the effective geographic location of the target cell and camps on the target cell, and the UE cannot obtain a corresponding communication function when camping on the target cell.
In this embodiment, the existing broadcast message of the 5G cell has the above technical problem, and the UE can search for and reside in the 5G target cell at a location other than the effective geographic location of the 5G cell, but the UE cannot use the communication function of the 5G, which affects the daily life of the user and reduces the user experience.
In order to solve the above technical problem that the UE can not obtain the corresponding communication function when residing in the target cell, in this embodiment, the base station cell adds the parameters related to normal cell selection in the broadcast message, and further needs to add the effective geographical location information allowing the UE to reside in the cell in the broadcast message, so that when the UE searches for the base station and performs the cell selection residence process, the UE can obtain the effective geographical location information allowing the UE to normally reside in the cell from the broadcast message in addition to the relevant parameters (such as the information of the public land mobile network of the cell, whether the parameters are prohibited, etc.) selected by the cell from the broadcast message, so that the UE can use the cell whose current geographical location is within the effective geographical location range of the target cell as the effective cell, and further the UE can perform the selection residence process in the effective cells, therefore, the cell residence control method provided by the embodiment of the invention can improve the cell selection residence process of the existing 3GPP protocol specification, and avoid the technical problem that the corresponding 5G communication function can not be obtained when the UE resides in the 5G cell at a position outside the effective geographic position range of the 5G cell.
S402, receiving a registration request for a target cell sent by the terminal, wherein the target cell is determined by the terminal according to the at least one cell.
When the UE finds the cell which the UE wants to reside in, the UE sends a registration request to the base station, and because the broadcast messages sent by the base station all contain the effective geographic position range of the cell, the base station can find the broadcast message of the corresponding cell according to the registration request sent by the UE, so that how to process the registration request sent by the UE can be determined.
In the embodiment of the present invention, the target cell is determined by the terminal according to the at least one cell, and the method for the terminal to determine the target cell is consistent with the method for determining the target cell in the embodiment corresponding to the cell residence control method operated in the terminal, and is not described herein again.
And S403, acquiring the current geographic position of the terminal.
In order to further avoid the technical problem that the corresponding communication function cannot be obtained when the UE resides outside the effective geographic position range of the target cell, the embodiment of the invention can determine whether the current position of the UE is within the effective geographic position range of the cell by detecting the position relation between the current geographic position of the UE and the effective geographic position range of the target cell, and further determine how to process the registration request sent by the UE.
S404, when the current geographic position is within the effective geographic position range, the registration request is accepted and processed.
Because the corresponding communication function can be obtained when the UE is within the effective geographical position range of the cell where the UE resides, but the corresponding communication function cannot be obtained when the UE is outside the effective geographical position range of the cell where the UE resides, in order to avoid the technical problem that the corresponding communication function cannot be obtained when the UE resides in the target cell at a position outside the effective geographical position range of the target cell, the registration request of the UE can be received and processed only when the current geographical position of the UE is within the effective geographical position range of the target cell, so that the normal communication function of the UE can be ensured.
In the embodiment of the present invention, the method for controlling cell camping performed in a base station further includes step S405;
s405, when the current geographic position of the terminal is not within the effective geographic position range, rejecting and discarding the registration request.
When the current geographical position of the UE is out of the effective geographical position range of the target cell, a reminding message is generated and sent to the terminal to inform the user that the current geographical position of the UE cannot obtain the corresponding communication experience, so that the user can be reminded to move to change the current geographical position of the terminal, the reminding effect can be achieved, the efficiency of obtaining the corresponding communication experience by the UE can be improved, and the communication experience of the user can be improved.
Further, the reminding message includes distance information and direction information, and other information that is helpful for the user to move to improve the efficiency of obtaining the corresponding communication experience by the UE can be used as the reminding message, which is not to be taken as an example here.
In this embodiment, when the current geographic position of the terminal is not within the range of the effective geographic position after detection for more than the preset number of times, or when the current geographic position of the terminal is still detected to be not within the range of the effective geographic position within the preset time, the registration request of the UE is discarded, so that it can be ensured that the UE can select other cells in which the UE can normally communicate, and further, the communication experience of the user is improved.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a cell residence control device according to an embodiment of the present invention, and the embodiment of the present invention further provides a cell residence control device, which may be a mobile terminal such as a smart phone, a tablet computer, and the like. As shown in fig. 5, the cell-residence control apparatus 500 includes a processor 501 and a memory 502. The processor 501 is electrically connected to the memory 502.
The processor 501 is a control center of the cell residence control apparatus 500, connects various parts of the entire electronic apparatus using various interfaces and lines, and performs various functions of the cell residence control apparatus 500 and processes data by running or loading an application program stored in the memory 502 and calling data stored in the memory 502, thereby performing overall monitoring of the cell residence control apparatus 500.
In this embodiment, the processor 501 in the cell residence control apparatus 500 loads instructions corresponding to one or more processes of an application program into the memory 502, and the processor 501 runs the application program stored in the memory 502, so as to implement various functions as follows:
receiving a broadcast message of at least one cell sent by a base station;
extracting effective geographical position information in the broadcast message of each cell to obtain an effective geographical position range of each cell;
taking the cell with the current geographic position of the terminal within the effective geographic position range as an effective cell;
and determining a target cell from the effective cells.
The cell residence control apparatus may implement the steps in any embodiment of the cell residence control method operating in a terminal provided in the embodiment of the present invention, and therefore, the beneficial effects that can be achieved by any cell residence control method provided in the embodiment of the present invention may be achieved, which are detailed in the foregoing embodiments and will not be described herein again.
Referring to fig. 6, fig. 6 is another schematic structural diagram of a cell residence control device according to an embodiment of the present invention, and as shown in fig. 6, fig. 6 is a specific structural block diagram of the cell residence control device according to the embodiment of the present invention, where the cell residence control device may be used to implement the cell residence control method operating in a terminal according to the embodiment. The cell residence control device 600 may be a mobile terminal such as a smart phone or a notebook computer.
The RF circuit 610 is used for receiving and transmitting electromagnetic waves, and performs interconversion between the electromagnetic waves and electrical signals, thereby communicating with a communication network or other devices. RF circuit 610 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, memory, and so forth. The RF circuit 610 may communicate with various networks such as the internet, an intranet, a wireless network, or with other devices over a wireless network. The wireless network may comprise a cellular telephone network, a wireless local area network, or a metropolitan area network. The Wireless network may use various Communication standards, protocols, and technologies, including, but not limited to, Global System for Mobile Communication (GSM), Enhanced Data GSM Environment (EDGE), Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Wireless Fidelity (Wi-Fi) (e.g., Institute of Electrical and Electronics Engineers (IEEE) standard IEEE802.11 a, IEEE802.11 b, IEEE802.11g, and/or IEEE802.11 n), Voice over Internet Protocol (VoIP), world wide mail Access (Microwave Access for micro), wimax-1, other suitable short message protocols, and any other suitable Protocol for instant messaging, and may even include those protocols that have not yet been developed.
The memory 620 may be used to store software programs and modules, such as program instructions/modules corresponding to the cell residence control method in the foregoing embodiment, and the processor 680 executes various functional applications and data processing by executing the software programs and modules stored in the memory 620, that is, implementing various functions:
receiving a broadcast message of at least one cell sent by a base station;
extracting effective geographical position information in the broadcast message of each cell to obtain an effective geographical position range of each cell;
taking the cell with the current geographic position of the terminal within the effective geographic position range as an effective cell;
and determining a target cell from the effective cells.
The memory 620 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 620 can further include memory located remotely from the processor 680, which can be connected to the cell residence control apparatus 600 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input unit 630 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, the input unit 630 may include a touch sensitive surface 631 as well as other input devices 632. The touch sensitive surface 631, also referred to as a touch display screen or a touch pad, may collect touch operations by a user (e.g., operations by a user on the touch sensitive surface 631 or near the touch sensitive surface 631 using any suitable object or attachment such as a finger, a stylus, etc.) on or near the touch sensitive surface 631 and drive the corresponding connection device according to a predetermined program. Alternatively, the touch sensitive surface 631 may comprise two parts, a touch detection means and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 680, and can receive and execute commands sent by the processor 680. In addition, the touch sensitive surface 631 may be implemented using various types of resistive, capacitive, infrared, and surface acoustic waves. The input unit 630 may include other input devices 632 in addition to the touch-sensitive surface 631. In particular, other input devices 632 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 640 may be used to display information input by or provided to the user and various graphical user interfaces of the cell residence control device 600, which may be made up of graphics, text, icons, video, and any combination thereof. The Display unit 640 may include a Display panel 641, and optionally, the Display panel 641 may be configured in the form of an LCD (Liquid Crystal Display), an OLED (Organic Light-Emitting Diode), or the like. Further, the touch-sensitive surface 631 may overlay the display panel 641, and when the touch-sensitive surface 631 detects a touch operation thereon or nearby, the touch operation is transmitted to the processor 680 to determine the type of the touch event, and then the processor 680 provides a corresponding visual output on the display panel 641 according to the type of the touch event. Although in the figure, the touch-sensitive surface 631 and the display panel 641 are shown as two separate components to implement input and output functions, in some embodiments, the touch-sensitive surface 631 and the display panel 641 may be integrated to implement input and output functions.
The cell residence control apparatus 600 may also include at least one sensor 650, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display panel 641 according to the brightness of ambient light, and a proximity sensor that may generate an interrupt when the folder is closed or closed. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the mobile phone is stationary, and can be used for applications of recognizing the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which may be further configured to the cell residence control device 600, detailed descriptions thereof are omitted.
The cell residence control device 600 may assist the user in receiving requests, sending information, etc. through the transmission module 670 (e.g., a Wi-Fi module), which provides the user with wireless broadband internet access. Although the transmission module 670 is shown in the drawing, it is understood that it does not belong to the essential constitution of the cell-residence control apparatus 600 and may be omitted entirely within the scope not changing the essence of the invention as needed.
The processor 680 is a control center of the cell residence control apparatus 600, connects various parts of the entire mobile phone by using various interfaces and lines, and performs various functions of the cell residence control apparatus 600 and processes data by operating or executing software programs and/or modules stored in the memory 620 and calling data stored in the memory 620, thereby integrally monitoring the electronic apparatus. Optionally, processor 680 may include one or more processing cores; in some embodiments, processor 680 may integrate an application processor, which handles primarily the operating system, user interface, applications, etc., and a modem processor, which handles primarily wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 680.
The cell-resident control device 600 also includes a power supply 690 (e.g., a battery) that provides power to the various components, which in some embodiments may be logically coupled to the processor 680 via a power management system, such that the power management system may be used to manage charging, discharging, and power consumption. The power supply 690 may also include any component including one or more dc or ac power sources, recharging systems, power failure detection circuitry, power converters or inverters, power status indicators, and the like.
Although not shown, the cell residence control apparatus 600 further includes a camera (such as a front camera, a rear camera), a bluetooth module, and the like, which is not described herein again. Specifically, in this embodiment, the display unit of the electronic device is a touch screen display, the mobile terminal further includes a memory, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the one or more processors, and the one or more programs include instructions for:
receiving a broadcast message sent by at least one cell, wherein the broadcast message comprises effective geographical location information allowed to reside in the cell;
extracting effective geographical position information in the broadcast message sent by each cell to obtain an effective geographical position range of each cell, and determining the selection priority of each cell according to the position relationship between the current geographical position of the terminal and the effective geographical position range of each cell;
taking the cell with the current geographic position of the terminal within the effective geographic position range as an effective cell;
and determining candidate cells which can be selected to reside from the effective cells, and selecting a target cell to reside according to the selection priority.
In specific implementation, the above modules may be implemented as independent entities, or may be combined arbitrarily to be implemented as the same or several entities, and specific implementation of the above modules may refer to the foregoing method embodiments, which are not described herein again.
It will be understood by those skilled in the art that all or part of the steps of the methods of the above embodiments may be performed by instructions or by associated hardware controlled by the instructions, which may be stored in a computer readable storage medium and loaded and executed by a processor.
To this end, an embodiment of the present invention provides a storage medium, in which a plurality of instructions are stored, where the instructions can be loaded by a processor to execute the steps of any embodiment of the cell residence control method provided in the embodiment of the present invention.
Wherein the storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
Since the instructions stored in the storage medium may execute the steps in any embodiment of the cell residence control method provided in the embodiment of the present invention, beneficial effects that can be achieved by any cell residence control method provided in the embodiment of the present invention may be achieved, which are detailed in the foregoing embodiments and will not be described herein again.
The above detailed description is provided for a cell residence control method, device, apparatus and storage medium provided in the embodiments of the present application, and a specific example is applied in the present application to explain the principle and implementation manner of the present application, and the description of the above embodiments is only used to help understanding the method and core ideas of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application. Moreover, it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention, and such modifications and adaptations are intended to be within the scope of the invention.
Claims (10)
1. A cell residence control method is applied to a terminal and comprises the following steps:
receiving a broadcast message of at least one cell sent by a base station;
extracting effective geographical position information in the broadcast message of each cell to obtain an effective geographical position range of each cell;
acquiring the current geographic position of the terminal;
taking the cell with the current geographic position within the effective geographic position range as an effective cell;
and determining a target cell from the effective cells.
2. The cell residence control method of claim 1, wherein after the step of extracting the effective geographical location information from the broadcast message of each cell to obtain the effective geographical location range of each cell, the cell residence control method further comprises:
determining the selection priority of each cell according to the distance from the current geographical position of the terminal to the center of the effective geographical position range of each cell;
the step of determining a target cell from the active cells includes:
and determining a target cell from the effective cells according to the selection priority.
3. The cell-residence control method of claim 2, wherein after the step of regarding the cell having the current geographical location within the effective geographical location range as an effective cell, the cell-residence control method further comprises:
analyzing the broadcast message of each effective cell to obtain a plurality of cell selection information corresponding to each effective cell;
the step of determining a target cell from the active cells according to the selection priority comprises:
determining a candidate cell which can be selected to reside from the effective cells according to cell selection information;
determining a target cell to be selected to reside in from the candidate cells according to the selection priority;
or determining candidate cells which can be selectively resided from the effective cells according to the selection priority;
determining a target cell to be selected to reside from the candidate cells according to cell selection information;
or determining to select the resident target cell from the effective cells according to the selection priority and the cell selection information.
4. The cell-camping control method of claim 3, wherein the step of determining the target cell to camp on from the candidate cells according to the selection priority comprises:
acquiring a daily moving path of the terminal;
detecting whether the current geographic position of the terminal and the daily moving path meet a preset position relation or not;
if yes, determining the candidate cell with the strongest signal intensity as a target cell for selecting to reside;
otherwise, determining the candidate cell with the highest selection priority as the target cell for selecting to reside.
5. The cell-camping control method of claim 3, wherein the step of determining the target cell to camp on from the candidate cells according to the selection priority comprises:
when a plurality of candidate cells with the same selection priority exist, respectively detecting the reference signal received power and the reference signal received quality of each candidate cell;
and selecting the target cell which resides in the highest average value of the reference signal received power and the reference signal received quality.
6. The cell-residence control method of claim 1, wherein after the step of regarding the cell having the current geographic position within the effective geographic position range as an effective cell, the cell-residence control method further comprises:
analyzing the broadcast message of each effective cell to obtain a plurality of cell selection information corresponding to each effective cell;
the step of determining a target cell from the active cells includes:
and determining a target cell from the effective cells according to the cell selection message.
7. A cell residence control method is applied to a base station and comprises the following steps:
sending a broadcast message of at least one cell to a terminal, wherein the broadcast message comprises effective geographic position information allowed to reside in the cell, and the effective geographic position information comprises an effective geographic position range;
receiving a registration request for a target cell sent by the terminal, wherein the target cell is determined by the terminal according to the at least one cell;
acquiring the current geographic position of the terminal;
accepting and processing the registration request when the current geographic location is within the valid geographic location range.
8. The cell residence control method of claim 7, wherein after the receiving the registration request for the target cell sent by the terminal, further comprising:
and when the current geographic position of the terminal is not within the range of the effective geographic position, rejecting and discarding the registration request.
9. A terminal comprising a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, the memory being coupled to the processor, and the processor, when executing the computer program, implementing the cell residence control method of any one of claims 1 to 6.
10. A computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, wherein the computer program is adapted to be loaded by a processor to execute the cell residence control method in a terminal according to any one of claims 1 to 6.
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| CN202110201545.9A CN112788703B (en) | 2021-02-23 | 2021-02-23 | Cell residence control method, terminal and storage medium |
| PCT/CN2021/083243 WO2022178938A1 (en) | 2021-02-23 | 2021-03-26 | Cell camping control method, terminal, and storage medium |
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| CN114245437A (en) * | 2021-11-11 | 2022-03-25 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Method and system for improving 5G terminal service call completing rate |
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| WO2022178938A1 (en) | 2022-09-01 |
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