CN115802437A - Base station signal selection method, device and system - Google Patents
Base station signal selection method, device and system Download PDFInfo
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- CN115802437A CN115802437A CN202310042547.7A CN202310042547A CN115802437A CN 115802437 A CN115802437 A CN 115802437A CN 202310042547 A CN202310042547 A CN 202310042547A CN 115802437 A CN115802437 A CN 115802437A
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Abstract
The invention relates to the technical field of communication, in particular to a base station signal selection method, a device and a system, wherein the base station signal selection method comprises the following steps: acquiring a navigation route according to a starting position and an end position input by a user; determining base stations along the route according to the navigation route; acquiring historical state data of each base station along the way; determining the signal intensity distribution of each base station along the way according to the acquired historical state data; determining a plurality of switching road sections according to the navigation route and the signal intensity distribution of each base station; in the process of traveling, base station signals along the way are acquired in real time, and switching points of a switching road section at the upper section and the lower section of the navigation route are determined according to the acquired base station signals along the way; and when the mobile terminal reaches the switching point, executing signal switching action to realize the base station switching of the mobile terminal. The invention determines the base stations along the way through the navigation route, determines the signal intensity distribution of the base stations according to the historical data, thereby determining the switching road section and adjusting the starting point of the switching route in real time in the advancing process.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, and a system for selecting a base station signal.
Background
The base station, i.e. the public mobile communication base station, is an interface device for the mobile device to access the internet and is also a form of radio station. In a certain radio coverage area, information is transferred with a mobile telephone terminal through a mobile communication switching center. The construction of mobile communication base stations is an important part of the investment of mobile communication operators, and is generally carried out around factors such as coverage, call quality, investment benefit, difficulty and easiness in construction, convenience in maintenance and the like.
When the mobile equipment is used, data transmission can be realized only by accessing the communication base station, and a user does not feel directly how the mobile equipment is switched among a plurality of base stations when the mobile equipment is used, but the switching method determines the signal quality, so that better networking experience can be provided for the user through timely switching, and delay is reduced.
The base station handover method provided in the prior art is generally performed based on a mobile device, and the mobile device determines an accessed base station according to a distance from the base station, an available bandwidth of the base station, and the like. However, a problem that often occurs is that the mobile device moves within the signal coverage areas of the multiple base stations, and the mobile device frequently switches among the multiple base stations, which causes a ping-pong effect, resulting in unstable communication and easy packet loss.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a method, an apparatus and a system for selecting a base station signal.
The embodiment of the invention is realized in such a way that a base station signal selection method comprises the following steps:
acquiring a navigation route according to a starting position and an end position input by a user;
determining base stations along the route according to the navigation route;
acquiring historical state data of each base station along the way;
determining the signal intensity distribution of each base station along the way according to the acquired historical state data;
determining a plurality of switching road sections according to the navigation route and the signal intensity distribution of each base station;
in the process of traveling, base station signals along the way are acquired in real time, and switching points of a switching road section at the upper section and the lower section of the navigation route are determined according to the acquired base station signals along the way;
and when the switching point is reached, executing a signal switching action to realize the base station switching of the mobile terminal.
In one embodiment, the present invention provides a base station signal selection apparatus, including:
the route acquisition module is used for acquiring a navigation route according to a starting point position and a destination position input by a user;
the base station determining module is used for determining base stations along the way according to the navigation route;
the historical state data acquisition module is used for acquiring historical state data of each base station along the way;
the signal intensity distribution module is used for determining the signal intensity distribution of each base station along the way according to the acquired historical state data;
the switching road section determining module is used for determining a plurality of switching road sections according to the navigation route and the signal intensity distribution of each base station;
the switching point determining module is used for acquiring base station signals along the way in real time in the advancing process and determining switching points of a switching road section on the upper section and the lower section of the navigation route according to the acquired base station signals along the way;
and the switching module is used for reaching the switching point and executing signal switching action to realize the base station switching of the mobile terminal.
In one embodiment, the present invention provides a base station signal selection system, comprising:
the base stations are used for providing access signals for the mobile terminal;
the mobile terminal is communicated with the base station and is used for acquiring the position information of the user and sending the position information to the service platform through the base station; and
the service platform is used for executing the base station signal selection method.
The method provided by the invention determines a navigation route according to the starting point position and the terminal position input by a user, and determines base stations along the way according to the navigation route; obtaining the signal intensity distribution of each base station by obtaining the historical state data of the base stations along the way, and determining a road section needing signal switching according to the navigation route and the signal intensity distribution of each base station; and in the process of traveling, acquiring signals of base stations along the way in real time, and switching in advance or in a delayed manner according to the acquired base station signals. The method provided by the invention reduces unnecessary switching process by determining the switching road section; in the switching section, the switching time is adjusted according to the actual signal condition of the base station, so that the problem of repeated cross-hop connection of the mobile terminal among different base stations after switching is solved, the loss of data packets is effectively reduced, and the communication quality is improved.
Drawings
Fig. 1 is a flow chart of a method for selecting a base station signal according to an embodiment;
FIG. 2 is a diagram illustrating the distribution of signals from base stations in one embodiment;
fig. 3 is a block diagram of a base station signal selection apparatus according to an embodiment;
FIG. 4 is a block diagram of a system for selecting base station signals according to an embodiment;
fig. 5 is a block diagram of an internal configuration of a computer device in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms unless otherwise specified. These terms are only used to distinguish one element from another. For example, a first xx script may be referred to as a second xx script, and similarly, a second xx script may be referred to as a first xx script, without departing from the scope of the present disclosure.
As shown in fig. 1, in an embodiment, a method for selecting a base station signal is provided, which specifically includes the following steps:
step S100, acquiring a navigation route according to a starting point position and an end point position input by a user;
step S200, determining base stations along the way according to the navigation route;
step S300, acquiring historical state data of each base station along the way;
step S400, determining the signal intensity distribution of each base station along the way according to the acquired historical state data;
step S500, determining a plurality of switching road sections according to the navigation route and the signal intensity distribution of each base station;
s600, in the process of moving, acquiring base station signals along the way in real time, and determining switching points of a switching road section on the upper section and the lower section of the navigation route according to the acquired base station signals along the way;
and step S700, when the switching point is reached, executing signal switching action to realize the base station switching of the mobile terminal.
In this embodiment, a user inputs a start position and an end position on a mobile terminal through any one of a key, a touch screen, voice, and the like, the mobile terminal sends data to a service platform, and the service platform executes the method provided by the present invention. The service platform generates a navigation route and then sends the navigation route to the mobile terminal, and the service platform executes the remaining steps S200-S700 according to the navigation route.
In this embodiment, the number and positions of the base stations are relatively fixed for a selected area within a certain time, so that the navigation route can determine which base stations are located along the route and where the respective positions are.
In this embodiment, the historical state data of each base station may be stored in the cloud or in a storage area of each base station.
In this embodiment, the signal strength distribution of each base station may be determined from the historical status data of each base station, where the signal strength distribution specifically refers to the distribution of the signal strength of each base station on a horizontal plane (e.g., a map plane).
In this embodiment, the handover path is a path that needs to be switched to a signal, the handover path is a range, and a handover operation may be performed at any position in the handover path, but a handover is not performed in the non-handover path, where the handover refers to a process in which a mobile terminal is handed over from one base station connection to another base station connection, that is, the mobile terminal selects a different base station as a data transfer station.
In this embodiment, after the handover segment is obtained, in the process of traveling, the signal strength of the base station along the way is obtained in real time, so as to determine the handover point, and the mobile terminal executes the handover action after reaching the handover point.
The method provided by the invention determines a navigation route according to the starting point position and the terminal position input by a user, and determines base stations along the way according to the navigation route; obtaining the signal intensity distribution of each base station by acquiring the historical state data of the base stations along the way, and determining a road section needing signal switching according to the navigation route and the signal intensity distribution of each base station; and in the process of traveling, acquiring signals of base stations along the way in real time, and switching in advance or in a delayed manner according to the acquired base station signals. The method provided by the invention reduces unnecessary switching process by determining the switching road section; in the switching section, the switching time is adjusted according to the actual signal condition of the base station, so that the problem of repeated cross-hop connection of the mobile terminal among different base stations after switching is solved, the loss of data packets is effectively reduced, and the communication quality is improved.
As a preferred embodiment of the present invention, the obtaining a navigation route according to a start position and an end position input by a user includes:
acquiring a starting position and an end position input by a user;
calling a navigation platform interface, and generating a plurality of alternative navigation routes according to the acquired starting point position and the acquired end point position;
acquiring a travel mode selected by a user;
and selecting a final navigation route from the plurality of alternative navigation routes according to the travel mode selected by the user.
In this embodiment, obtaining the navigation route from the starting point, the terminal, and the selected travel mode may be implemented by using an existing navigation platform interface, and this process is not specifically limited in the embodiment of the present invention.
As a preferred embodiment of the present invention, the determining base stations along the route according to the navigation route includes:
dividing the navigation route into n sections according to a set section length to obtain n +1 section points;
selecting m base stations for each segmentation point from small to large according to the distance between the base stations and each segmentation point to obtain base stations along the way;
n and m are positive integers, and m is more than or equal to 3.
In this embodiment, since the communication distance of the base station is usually designed to be about 100-200 m, the segment length can be set to be about 100 m, which should not be lower than 50 m to prevent too many segments, and should not be larger than 200 m to prevent the signal interruption caused by too low switching frequency.
In this embodiment, the distance between the selected base station and the segmentation point should not be greater than 500 meters, which is the upper limit of the communication distance of a general base station, and within this range, the larger m is more beneficial to the selection of the subsequent target base station.
As a preferred embodiment of the present invention, the selecting m base stations for each segmentation point according to the distance from each segmentation point from small to large further comprises:
for any base station, judging whether the base station corresponds to at least two segmentation points;
if so, the base station is configured to the segment point with the minimum distance, and the base stations corresponding to the other corresponding segment points are added to ensure that the base stations corresponding to each segment point are not overlapped and are m.
In this embodiment, the base station corresponding to the segmentation point refers to that the distance between the base station and the segmentation point is ranked first three (from small to large), so that the same base station is selected as the corresponding base station by at least two segmentation points. In this case, the base station is configured to the segment point closest to the base station, and the other segment points determine the corresponding base station without considering the base station. By the method, repeated bouncing of the mobile terminal between the same base stations and frequent connection and disconnection can be effectively reduced.
As a preferred embodiment of the present invention, the acquiring historical status data of each base station along the way includes:
acquiring travel time;
matching holidays or working days in the past date according to the travel time;
selecting a time period corresponding to the travel time in the matched holidays or working days;
historical state data corresponding to the selected time period is obtained.
In this embodiment, the travel time is specified to a date and a time period, and the specified date can be used to query a corresponding holiday, for example, if the travel date is a weekend, the data of the weekend is matched; if the trip date is a working day, matching the data of the working day; the same can be matched with data in different time periods in the morning, afternoon or evening; a time interval can be divided from 0 hour to 6 hours, and historical state data of the same time interval can be acquired by taking the starting time of the travel time as a reference.
As shown in fig. 2, as a preferred embodiment of the present invention, the determining the signal strength distribution of each base station along the way according to the acquired historical status data includes:
for any base station, acquiring the distance and the direction of a mobile terminal communicated with the base station in a selected time period according to historical state data;
determining the relative position of each mobile terminal and a base station on the horizontal plane according to the acquired distance and the direction of the mobile terminal, and respectively making rays from the base station to the position of each mobile terminal on the horizontal plane;
acquiring the base station signal intensity of each mobile terminal, and segmenting the ray where each mobile terminal is located according to the base station signal intensity of each mobile terminal and the distance between each mobile terminal and the base station;
and connecting the segmentation points of the rays with the same base station signal intensity to form a closed curve, so that the base stations are positioned in the closed curve to obtain the signal intensity distribution of each base station.
In this embodiment, the distance between the mobile terminal and the base station may be calculated through communication delay, and the directions of the mobile terminal and the base station may be determined through different antenna azimuth angles of the base station, which belongs to the content of the prior art. In this embodiment, it should be noted that, in different time periods, the same mobile terminal has different positions, and the present invention does not need to distinguish and identify the mobile terminal, and the same mobile terminal can be used at different time positions, and in a selected time period, a plurality of times are arbitrarily selected, and the specific position of the mobile terminal at the selected time is selected. The time period of the same duration may be selected within the selected time period and the method of the present embodiment may be performed at 20-50 times within the selected time period, depending on the time of use of the navigation route.
In this embodiment, on the horizontal plane, a ray is taken from the base station to the position of the mobile terminal, and the length of the ray is 500 meters or until the signal strength is negligible. Under ideal conditions, the signal strength of the base station is inversely proportional to the distance from the base station, but the proportions in different directions are different, and the specific proportions in different directions are determined by a plurality of mobile terminals, so that the signal strength at each position can be obtained according to the distance from the base station.
In this embodiment, the strength of the base station is divided into several levels (e.g. 5, 10) from the strongest to the weakest, and since the signal strength is inversely proportional to the distance, the lengths of the rays can be divided (note that the lengths of the rays in different directions are different, and the length spans of the same level are equal for each ray itself). For example, if the signal strength of a certain mobile terminal is 50% of the maximum signal strength, and the mobile terminal is 50 meters away from the base station, the total length of the ray is 100 meters (the signal strength at 100 meters is the lowest or none); in this case, the classification into 10 grades is performed every 10 meters.
In this embodiment, the same grade division points on each ray are sequentially connected by a smooth curve in a clockwise or counterclockwise direction (the same grade division points refer to the same order of the grade division points, for example, the kth grade division point from the base station is outward), and finally the rays are connected end to obtain a closed circular curve. The areas between the different curves represent different signal strengths.
As a preferred embodiment of the present invention, the determining a plurality of switching sections according to the navigation route and the signal strength distribution of each base station includes:
for any point on the navigation route, judging whether the point at least falls into the effective areas of the two base stations;
if the point falls into the effective areas of at least two base stations, judging whether the point is in the same signal level area of at least two base stations;
if the point is located in the same signal level area of at least two base stations, selecting a base station with the minimum average distance from the navigation route in the effective area as a target base station of the point;
if the point is not in the same signal level area of at least two base stations, selecting the base station with the highest signal strength level as a target base station of the current point;
repeating the steps to obtain target base stations of each point on the navigation route, and summarizing the points corresponding to each target base station to obtain a corresponding navigation road section of each target base station;
and removing the longest continuous navigation road section of each target base station from the navigation route to obtain a plurality of switching road sections.
In this embodiment, the effective area of the base station refers to an area surrounded by a closed curve at the outermost periphery of the base station, that is, an area capable of receiving a signal of the base station. In this embodiment, it can be understood that, for any point, when it falls into the effective area of only one base station, the base station is directly selected as the target base station of the point, and the problem of needing handover does not occur at the point. In this embodiment, although the theoretical navigation route is formed by wireless points, continuous points may be sampled, for example, every other meter may be calculated.
In this embodiment, the average distance from the navigation route in the effective area can be determined by
Calculation, where Q is the number of sample points in the active area, L i The distance of the ith point from the base station. In this embodiment, each target base station corresponds to a plurality of points, which may be distributed or continuous (without other points in between), and a plurality of switching segments are obtained excluding the longest continuous point (i.e. the longest connecting navigation route) of each base station. The proportion of the switching road section in the total navigation route is not too high, and is usually about 30 percent because the longest continuous navigation route of each base station is excluded. And the signals are switched in the road sections, so that the stability of the signals and the timeliness of switching are considered.
As a preferred embodiment of the present invention, the determining a switching point of a switching section on a next section of a navigation route according to the acquired signals of the base stations along the route includes:
the method comprises the steps that when the current signal strength reaches the middle point of the previous section of the switching section, the actual signal strength of a target base station corresponding to the starting point of the next section of the switching section is obtained;
the handover is advanced or delayed according to the actual signal strength.
In this embodiment, at the midpoint of the link immediately preceding the switched link, the theoretical strength of the base station signal (calculated by interpolating the signal strength distribution of the aforementioned base stations at the center in proportion to the distance from the base station at the center) H: l is a certain value, wherein L is the distance from the starting point of the switching section to the target base station; when the actually detected base station signal strength is H1, L changes to L1, i.e. the handover point moves to a point which is L1 away from the base station and is closest to the original handover point, so that it may be an early handover or a late handover. Due to the fact that H: l = H1: l1, a distance to advance or delay the handover can be obtained.
As shown in fig. 3, an embodiment of the present invention further provides a base station signal selecting apparatus, where the base station signal selecting apparatus includes:
the route acquisition module is used for acquiring a navigation route according to a starting point position and an end point position input by a user;
the base station determining module is used for determining base stations along the way according to the navigation route;
the historical state data acquisition module is used for acquiring historical state data of each base station along the way;
the signal intensity distribution module is used for determining the signal intensity distribution of each base station along the way according to the acquired historical state data;
the switching road section determining module is used for determining a plurality of switching road sections according to the navigation route and the signal intensity distribution of each base station;
the switching point determining module is used for acquiring base station signals along the way in real time in the advancing process and determining switching points of an upper section of switching road section and a lower section of switching road section of the navigation route according to the acquired base station signals along the way;
and the switching module is used for reaching the switching point and executing signal switching action to realize the base station switching of the mobile terminal.
In this embodiment, the base station signal selection apparatus is a module of the method provided by the present invention, and the content of the method part of the present invention is used for specific explanation of each module, which is not limited in this embodiment of the present invention.
As shown in fig. 4, an embodiment of the present invention further provides a base station signal selecting system, where the base station signal selecting system includes:
the base stations are used for providing access signals for the mobile terminal;
the mobile terminal is communicated with the base station and is used for acquiring the position information of the user and sending the position information to the service platform through the base station; and
the service platform is configured to perform the base station signal selection method according to any one of the embodiments of the present invention.
In this embodiment, the mobile terminal may be a mobile phone, a tablet computer, or the like, and the specific type of the mobile terminal is not limited in the embodiment of the present invention.
In this embodiment, the service platform is composed of a computer device disposed in the cloud, and the computer device provides a planning service for switching a base station for the mobile terminal by executing the base station signal selection method provided by the present invention, and the mobile terminal executes a switching action.
The system provided by the invention determines a navigation route according to the starting point position and the terminal position input by the user, and determines base stations along the way according to the navigation route; obtaining the signal intensity distribution of each base station by acquiring the historical state data of the base stations along the way, and determining a road section needing signal switching according to the navigation route and the signal intensity distribution of each base station; and in the process of traveling, acquiring signals of base stations along the way in real time, and switching in advance or in a delayed manner according to the acquired base station signals. The method provided by the invention reduces unnecessary switching process by determining the switching road section; in the switching section, the switching time is adjusted according to the actual signal condition of the base station, so that the problem of repeated cross-hop connection of the mobile terminal among different base stations after switching is solved, the loss of data packets is effectively reduced, and the communication quality is improved.
FIG. 5 is a diagram that illustrates an internal structure of the computer device in one embodiment. The computer device may specifically be the service platform in fig. 4. As shown in fig. 5, the computer apparatus includes a processor, a memory, a network interface, an input device, and a display screen connected through a system bus. Wherein the memory includes a non-volatile storage medium and an internal memory. The non-volatile storage medium of the computer device stores an operating system, and may further store a computer program, and when the computer program is executed by a processor, the computer program may cause the processor to implement the base station signal selection method provided by the embodiment of the present invention. The internal memory may also store a computer program, and when the computer program is executed by the processor, the computer program may cause the processor to execute the method for selecting a base station signal according to the embodiment of the present invention. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
It will be appreciated by those skilled in the art that the configuration shown in fig. 5 is a block diagram of only a portion of the configuration associated with the inventive arrangements and is not intended to limit the computing devices to which the inventive arrangements may be applied, and that a particular computing device may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, the base station signal selection apparatus provided in the embodiment of the present invention may be implemented in a form of a computer program, and the computer program may be run on a computer device as shown in fig. 5. The memory of the computer device may store various program modules constituting the base station signal selection apparatus, such as a route acquisition module, a base station determination module, a historical state data acquisition module, a signal strength distribution module, a switching section determination module, a switching point determination module, and a switching module shown in fig. 3. The respective program modules constitute computer programs that cause the processors to execute the steps in the base station signal selection methods of the various embodiments of the present invention described in this specification.
For example, the computer device shown in fig. 5 may execute step S100 through a route acquisition module in the base station signal selection apparatus shown in fig. 3; the computer device may perform step S200 through the base station determination module; the computer device may execute step S300 through the historical status data acquisition module; the computer device may perform step S400 through the signal strength distribution module; the computer device may perform step S500 by switching the link determining module; the computer device may perform step S600 through the switching point determining module; the computer device may perform step S700 through the switching module.
In one embodiment, a computer device is proposed, the computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
acquiring a navigation route according to a starting position and an end position input by a user;
determining base stations along the way according to the navigation route;
acquiring historical state data of each base station along the way;
determining the signal intensity distribution of each base station along the way according to the acquired historical state data;
determining a plurality of switching road sections according to the navigation route and the signal intensity distribution of each base station;
in the process of traveling, base station signals along the way are acquired in real time, and switching points of a switching road section at the upper section and the lower section of the navigation route are determined according to the acquired base station signals along the way;
and when the mobile terminal reaches the switching point, executing signal switching action to realize the base station switching of the mobile terminal.
In one embodiment, a computer-readable storage medium is provided, having stored thereon a computer program which, when executed by a processor, causes the processor to perform the steps of:
acquiring a navigation route according to a starting position and an end position input by a user;
determining base stations along the way according to the navigation route;
acquiring historical state data of each base station along the way;
determining the signal intensity distribution of each base station along the way according to the acquired historical state data;
determining a plurality of switching road sections according to the navigation route and the signal intensity distribution of each base station;
in the process of traveling, base station signals along the way are acquired in real time, and switching points of a switching road section at the upper section and the lower section of the navigation route are determined according to the acquired base station signals along the way;
and when the mobile terminal reaches the switching point, executing signal switching action to realize the base station switching of the mobile terminal.
It should be understood that, although the steps in the flowcharts of the embodiments of the present invention are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not limited to being performed in the exact order illustrated and, unless explicitly stated herein, may be performed in other orders. Moreover, at least a portion of the steps in various embodiments may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a non-volatile computer-readable storage medium, and can include the processes of the embodiments of the methods described above when the program is executed. Any reference to memory, storage, databases, or other media used in embodiments provided herein may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), rambus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A method for selecting a base station signal, the method comprising:
acquiring a navigation route according to a starting position and an end position input by a user;
determining base stations along the way according to the navigation route;
acquiring historical state data of each base station along the way;
determining the signal intensity distribution of each base station along the way according to the acquired historical state data;
determining a plurality of switching road sections according to the navigation route and the signal intensity distribution of each base station;
in the process of traveling, base station signals along the way are acquired in real time, and switching points of a switching road section at the upper section and the lower section of the navigation route are determined according to the acquired base station signals along the way;
and when the switching point is reached, executing a signal switching action to realize the base station switching of the mobile terminal.
2. The method of claim 1, wherein the obtaining a navigation route according to a start position and an end position input by a user comprises:
acquiring a starting position and an end position input by a user;
calling a navigation platform interface, and generating a plurality of alternative navigation routes according to the acquired starting point position and the acquired end point position;
acquiring a travel mode selected by a user;
and selecting a final navigation route from the alternative navigation routes according to the travel mode selected by the user.
3. The method for selecting a base station signal according to claim 1, wherein the determining base stations along the route according to the navigation route comprises:
dividing the navigation route into n sections according to a set section length to obtain n +1 section points;
selecting m base stations for each segmentation point from small to large according to the distance between the base stations and each segmentation point to obtain base stations along the way;
n and m are positive integers, and m is more than or equal to 3.
4. The method of claim 3, wherein m base stations are selected for each segmentation point according to the distance from the segmentation point to the segmentation point from small to large, and then further comprising:
for any base station, judging whether the base station corresponds to at least two segmentation points;
if yes, the base station is allocated to the segmentation point with the minimum distance, and the base stations corresponding to the other corresponding segmentation points are added to enable the base stations corresponding to each segmentation point not to be overlapped and to be m.
5. The method of claim 1, wherein the obtaining historical status data of each base station along the way comprises:
acquiring travel time;
matching holidays or working days in the past date according to the travel time;
selecting a time period corresponding to the travel time in the matched holidays or working days;
historical state data corresponding to the selected time period is obtained.
6. The method for selecting base station signal according to claim 1, wherein said determining the signal strength distribution of each base station along the way according to the acquired historical status data comprises:
for any base station, acquiring the distance and the direction of a mobile terminal which is communicated with the base station in a selected time period according to historical state data;
determining the relative position of each mobile terminal and a base station on the horizontal plane according to the acquired distance and the direction of the mobile terminal, and respectively making rays from the base station to the position of each mobile terminal on the horizontal plane;
acquiring the base station signal intensity of each mobile terminal, and segmenting the ray where each mobile terminal is located according to the base station signal intensity of each mobile terminal and the distance between each mobile terminal and the base station;
and connecting the segmentation points of the rays with the same base station signal intensity to form a closed curve, so that the base stations are positioned in the closed curve to obtain the signal intensity distribution of each base station.
7. The method for selecting base station signals according to claim 1, wherein the determining the plurality of switching sections according to the navigation route and the signal strength distribution of each base station comprises:
for any point on the navigation route, judging whether the point at least falls into the effective areas of the two base stations;
if the point falls into the effective areas of at least two base stations, judging whether the point is in the same signal level area of at least two base stations;
if the point is located in the same signal level area of at least two base stations, selecting the base station with the minimum average distance from the navigation route in the effective area as a target base station of the point;
if the point is not in the same signal level area of at least two base stations, selecting the base station with the highest signal strength level as a target base station of the current point;
repeating the steps to obtain target base stations of each point on the navigation route, and summarizing the points corresponding to each target base station to obtain a corresponding navigation road section of each target base station;
and removing the longest continuous navigation road section of each target base station from the navigation route to obtain a plurality of switching road sections.
8. The method for selecting base station signal according to claim 1, wherein the determining the switching point of the switching section of the upper and lower sections of the navigation route according to the acquired signal of the base station along the route comprises:
the actual signal intensity of a target base station corresponding to the starting point of the next section of switching road section is obtained when the actual signal intensity reaches the middle point of the previous section of switching road section;
the handover is advanced or delayed depending on the actual signal strength.
9. A base station signal selection apparatus, comprising:
the route acquisition module is used for acquiring a navigation route according to a starting point position and a destination position input by a user;
the base station determining module is used for determining base stations along the way according to the navigation route;
the historical state data acquisition module is used for acquiring historical state data of each base station along the way;
the signal intensity distribution module is used for determining the signal intensity distribution of each base station along the way according to the acquired historical state data;
the switching road section determining module is used for determining a plurality of switching road sections according to the navigation route and the signal intensity distribution of each base station;
the switching point determining module is used for acquiring base station signals along the way in real time in the advancing process and determining switching points of an upper section of switching road section and a lower section of switching road section of the navigation route according to the acquired base station signals along the way;
and the switching module is used for reaching the switching point and executing signal switching action to realize the base station switching of the mobile terminal.
10. A base station signal selection system, the base station signal selection system comprising:
the base stations are used for providing access signals for the mobile terminal;
the mobile terminal is communicated with the base station and is used for acquiring the position information of the user and sending the position information to the service platform through the base station; and
the service platform, configured to perform the base station signal selection method according to any one of claims 1 to 8.
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