CN116318600A - Terminal position detection method, device, base station and storage medium - Google Patents
Terminal position detection method, device, base station and storage medium Download PDFInfo
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- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0078—Timing of allocation
- H04L5/0082—Timing of allocation at predetermined intervals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0069—Allocation based on distance or geographical location
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0078—Timing of allocation
- H04L5/0087—Timing of allocation when data requirements change
- H04L5/0089—Timing of allocation when data requirements change due to addition or removal of users or terminals
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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
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- 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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Abstract
The embodiment of the application provides a terminal position detection method, a device, a base station and a storage medium, and relates to the technical field of communication.
Description
Technical Field
The embodiment of the application relates to the technical field of communication, in particular to a terminal position detection method, a terminal position detection device, a base station and a storage medium.
Background
A multi-sector base station is deployed with multiple cells (also referred to as cells), each employing a different carrier. Typically the operator charges a fee based on the number of carriers. Therefore, to save the cost of the fee, the same PCI (Physical Cell Identifier, physical cell identity) is typically allocated to a plurality of cells to achieve cell merging. In the above application scenario, the base station needs to identify the terminal to better schedule the transmission resources.
In the related art, for detecting the location of a terminal, a base station frequently transmits request information to the terminal in a cell at regular intervals, and the terminal transmits an SRS (Sounding Reference Signal, channel sounding reference signal) or an uplink transmission scheduling resource request to the base station after receiving the request information, thereby detecting whether the terminal moves or whether the cell to which the terminal belongs changes.
However, in the actual application scenario, the moving states of the terminals are different, if there is a terminal in a slow moving state or a stationary state, and if there is a terminal in a fast moving state, the faster the movement, the higher the activity level of the terminal. The base station can identify the terminal position by frequently sending the request information, but when a cell contains a plurality of terminals, the traditional scheme needs to occupy a large amount of transmission resources, so that the overhead of the base station system is increased, and the waste of the transmission resources can be caused by adopting the traditional scheme for the terminals in a slow moving state or a static state.
Disclosure of Invention
The embodiment of the application provides a terminal position detection method, a device, a base station and a storage medium, which solve the problem that a large amount of transmission resources are occupied by position detection of a terminal in a cell merging scene.
In a first aspect, an embodiment of the present application provides a method for detecting a terminal position, where the method is applied to a base station, and the base station is connected with a terminal accessing any cell in the base station in a communication manner, where the method includes:
filtering the recorded detection data which are related to the terminal feedback signals;
according to the detection data after the filtering treatment, determining an energy index corresponding to the terminal;
based on the energy indexes corresponding to the terminals, sequencing the terminals and determining gears corresponding to the terminals;
and determining detection intervals corresponding to the terminals according to the preset time length corresponding to the gear, and sending request information to the terminals at the detection intervals, wherein the detection intervals and the energy indexes are in negative correlation.
In a second aspect, an embodiment of the present application further provides a terminal position detection device, where the device includes:
the filtering processing module is configured to perform filtering processing on the recorded detection data which are related to the terminal feedback signals;
the data acquisition module is configured to determine an energy index corresponding to the terminal according to the recorded detection data which are related to the feedback signals of the terminal;
the gear selection module is configured to sort the terminals based on the energy indexes corresponding to the terminals and determine gears corresponding to the terminals;
the interval determining module is configured to determine a detection interval corresponding to each terminal according to the preset duration corresponding to the gear, and send request information to the terminal at the detection interval, wherein the detection interval and the energy index are in a negative correlation.
In a third aspect, an embodiment of the present application further provides a base station, including:
one or more processors;
and a storage means for storing one or more programs, which when executed by one or more processors, implement the terminal position detection method as in any of the embodiments described above.
In a fourth aspect, embodiments of the present application also provide a storage medium storing computer-executable instructions that, when executed by a processor, are configured to perform a terminal position detection method as in any of the above embodiments.
According to the method and the device, the activity degree of each terminal in the cell is reflected through the energy index corresponding to each terminal, the activity degree is related to the possibility of position change of the corresponding terminal, corresponding detection intervals are configured for each terminal according to the energy index, new detection data are continuously obtained to dynamically update the detection intervals corresponding to each terminal, the base station can adapt to different detection intervals according to the signal energy of the terminal, request information is sent more flexibly, and overhead of system resources is effectively reduced.
Drawings
Fig. 1 is a flowchart of steps of a method for detecting a terminal position according to an embodiment of the present application.
Fig. 2 is a flowchart of steps for filtering detection data according to an embodiment of the present application.
Fig. 3 is a flowchart of steps for determining a gear corresponding to a terminal according to an embodiment of the present application.
FIG. 4 is a flowchart illustrating steps for re-determining an energy index according to one embodiment of the present application.
Fig. 5 is a schematic diagram of a terminal position detecting device according to an embodiment of the present application.
Fig. 6 is a schematic structural diagram of a base station according to an embodiment of the present application.
Detailed Description
Embodiments of the present application are described in further detail below with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the embodiments of the application and are not limiting of the embodiments of the application. It should be further noted that, for convenience of description, only some, but not all structures related to the embodiments of the present application are shown in the drawings, and those skilled in the art will appreciate that any combination of technical features may constitute alternative embodiments as long as the technical features are not contradictory to each other after reading the specification of the present application.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship. In the description of the present application, "a plurality" means two or more, and "a number" means one or more.
For a cell-combined base station, the base station may determine the location of a terminal in each cell that is communicatively connected to the base station, i.e., determine the cell to which the terminal belongs. It is conceivable that the base station requests the terminal to feed back the SRS or the uplink transmission scheduling resource request to the base station by transmitting request information to the terminal. Therefore, after the terminal transmits the SRS or the uplink transmission scheduling resource request to the base station through the PUSCH (Physical Uplink Shared Channel ), the base station may determine the cell in which the terminal is currently located, and may also determine whether the terminal moves.
Fig. 1 is a flowchart of steps of a method for detecting a terminal position according to an embodiment of the present application, where the method is applied to a base station, and therefore, the base station needs to determine a time interval for sending request information to a terminal, that is, a detection interval, and as shown in the drawing, the method for detecting a terminal position according to the present application includes the following steps:
step S110, filtering the recorded plurality of detection data associated with the terminal feedback signal.
It can be appreciated that when the terminal first accesses one cell of the base station, the base station transmits request information to the terminal at preset intervals, so that the terminal transmits an intermediate terminal feedback signal, such as SRS or uplink transmission resource request, to the base station. For this, corresponding detection data may be recorded on the base station side, and specifically, the base station may use RSSI (Received Signal Strength Indicator, received signal strength indication) of the corresponding terminal feedback signal as the detection data. Further, after the request information is transmitted a plurality of times at preset intervals and one detection data is recorded each time, the base station performs filtering processing on the recorded plurality of detection data to filter out data errors caused by interference.
In an embodiment, the base station performs filtering processing on current detection data by using preamble data, as shown in fig. 2, fig. 2 is a flowchart of steps for performing filtering processing on detection data provided in an embodiment of the present application, and the terminal position detection method of the present application further includes the following steps:
step S210, selecting two detection data corresponding to the previous recording moments as two preamble data.
Step S220, based on a plurality of preset filter coefficients, products of detection data and corresponding filter coefficients and products of preamble data and corresponding filter coefficients are determined, and the sum of the products is used as detection data after filtering processing.
It can be understood that the base station may store each detection data sequentially according to the recording time, so that, for each detection data, the base station selects two detection data corresponding to the previous recording time as the preamble data. And for the preamble data and the current detection data, the base station is respectively preset with different filter coefficients, so as to calculate the products of the current detection data and the preamble data and the corresponding filter coefficients, and the sum of the products is used as the detection data after the filtering processing.
Specifically, the current detection data may be subjected to a filtering process using the following filtering formula.
Wherein, the liquid crystal display device comprises a liquid crystal display device,
for the filtered detection data, +.>
As the current detection data, the data of the current detection data,
and->
A, b and c are respectively the preamble dataThe specific values of the filter coefficients set for the corresponding detection data can be set according to actual filter requirements.
It should be noted that, in some embodiments, the detection data may also be filtered by median filtering.
And step S120, determining an energy index corresponding to the terminal according to the detection data after the filtering processing.
And for the detection data after the filtering processing, the base station combines the detection data after the filtering processing to calculate the energy index corresponding to each terminal. For example, in an embodiment, for determining the energy index of each terminal, the base station may calculate, based on the detected data after the plurality of filtering processes, a corresponding sum-of-squares value and a compensation value, where the compensation value is an average value of the sum-of-squares values of the plurality of detected data, and it is understood that the compensation value is a value obtained by averaging the number of detected data with the sum-of-squares value. Accordingly, the energy index is the difference between the sum of squares value and the compensation value. The specific formula is as follows:
wherein, the liquid crystal display device comprises a liquid crystal display device,
for the energy index of the nth terminal, < +.>
And K is the number of the detection data corresponding to the nth terminal, and is a specific value of the detection data which is obtained by the nth terminal for the ith time and is subjected to filtering processing.
Step S130, determining the gear corresponding to each terminal based on the energy index corresponding to each terminal.
The base station also selects a corresponding gear for each terminal to determine a detection interval corresponding to each terminal. It can be understood that a plurality of gears are preset in the base station, the gear corresponding to the terminal is the target gear, namely one of the gears, and different gears correspond to different detection intervals.
In some embodiments, for the gear of each terminal, the base station may use a step flow shown in fig. 3, where fig. 3 is a step flow chart of determining a gear corresponding to the terminal provided in an embodiment of the present application, and as shown in the drawing, the method for detecting a terminal position of the present application further includes the following steps:
and step S310, sequencing the terminals according to a preset sequence based on the energy indexes corresponding to the terminals.
Step 320, determining a target gear of the terminal in a plurality of gears according to the ratio of the energy index corresponding to the terminal to the maximum energy index in the sequence.
It may be understood that after determining the energy indexes of each terminal, the base station may rank the terminals according to the corresponding energy indexes, e.g., the base station ranks the energy indexes corresponding to each terminal in a descending order (i.e., ascending order), thereby determining the order of each terminal. Of course, the base station may also sort the energy indexes corresponding to the terminals in descending order.
Correspondingly, after determining the sequence of each terminal, the base station can determine the energy index with the largest value in the sequence, and then can determine the ratio of the energy index corresponding to the terminal to the largest energy index in the current sequence. The base station can determine the target gear by multiplying the ratio by the number of gears.
For example, in one embodiment, the target gear is a value obtained by rounding up the product of the comparison value and the number of gears. For example, if 10 gears are preset, if the energy index corresponding to a terminal is 150 and the maximum energy index in the sequence is 600, the corresponding ratio is 0.25, and the product of the ratio and the number of gears is 2.5, so that the value rounded up is 3, and correspondingly, the target gear is 3, namely, the time interval corresponding to the 3 rd gear is selected as the detection interval of the terminal.
It should be noted that, in the same way, in an embodiment, a value obtained by rounding down the product of the comparison value and the number of gear steps may be used as the target gear step.
And step 140, determining a detection interval corresponding to each terminal according to the preset duration corresponding to the gear, and sending request information to the terminal at the detection interval so as to determine the position of the terminal, wherein the detection interval and the energy index are in a negative correlation.
And each gear recorded in the base station corresponds to a preset time length, so that after the gear corresponding to each terminal is determined, the base station takes the corresponding preset time length as a detection interval, and thus, request information is sent to the terminal at the moment corresponding to the detection interval, so that the terminal receiving the request information sends a terminal feedback signal to the base station, and the base station is convenient to determine the current position of the terminal, the cell to which the terminal belongs and other information.
It should be noted that, in the present application, the detection interval and the energy index are in a negative correlation, that is, when the energy index corresponding to the terminal is larger, the detection interval is smaller, and the base station needs to send the request information more frequently. It can be understood that, in the present application, the energy index may be used to indicate the activity level of the terminal, where the activity level indicates the possibility that the location of the terminal changes, that is, the greater the energy index, the higher the activity level of the terminal, and therefore, the faster the terminal moves, the greater the possibility that the terminal enters another cell, and the request information is sent to the base station at smaller intervals. For a terminal in slow movement or stationary state, the corresponding energy index is small, and then the corresponding detection interval is larger, and the base station can send the information at larger intervals.
According to the scheme, the base station reflects the activity degree of each terminal in the cell through the energy index corresponding to each terminal, so that the base station can configure corresponding detection intervals according to the activity degree of the terminal, the reasonable and effective detection intervals are set for the terminals in different mobile states, request information transmission is more flexibly transmitted, and the cost of system resources is effectively reduced.
In some embodiments, after determining the detection interval corresponding to each terminal, the base station further updates the energy index based on the new detection data recorded by the detection interval, that is, redetermines the energy index corresponding to the terminal, so that the new detection interval can be redetermined, further dynamic update of the detection interval corresponding to each terminal is realized, the detection interval is more reasonable and effective, and the overhead of system resources is further reduced.
It can be understood that, in the present application, after each recording of a new detection data, the base station may trigger updating of the detection interval, and it should be appreciated that the step flow of redefining a detection interval may be adopted as shown in fig. 1, that is, the base station may cyclically execute the above-mentioned terminal position detection method, so as to implement dynamic updating of the detection interval, thereby configuring a more reasonable detection interval for a corresponding terminal and saving system overhead.
Of course, it should be noted that, in some embodiments, the update of the detection interval of each terminal may also be performed at a fixed period, or the update may be triggered again each time the detected data recorded after the update reaches a preset cumulative amount.
In one embodiment, the number of detection data recorded in the base station is a preset number, for example 10. The detection data corresponds to a recording time to represent the moment when the detection data is recorded. The base station may calculate the energy index corresponding to the terminal based on the preset number of detection data, as shown in fig. 4, fig. 4 is a flowchart of a step of re-determining the energy index according to an embodiment of the present application, where the method for detecting a terminal position of the present application further includes the following steps:
in step S410, when a piece of detection data is newly added, a piece of history data is removed to keep the number of detection data still satisfying the preset number.
Step S420, according to the latest recorded multiple detection data, updating the energy index corresponding to the terminal.
It will be appreciated that in the case that the preset number is 10, each time one detection data is newly added, the history data, that is, the detection data recorded earliest, is removed, so that the newly added detection data is taken as the 10 th data, and a new energy index is calculated according to the latest 10 detection data. It is contemplated that the step flow shown in fig. 1 may still be employed for the calculation of the new energy index.
It is conceivable that the base station, after sending the request information, may determine and record corresponding detection data according to the terminal feedback signal, thereby triggering an update of the energy index. After the energy index of the terminal is updated, the corresponding detection interval of the terminal is correspondingly updated.
Therefore, the base station can dynamically update the detection interval corresponding to each terminal, so that the detection interval is continuously adapted to the change of the mobile state of the terminal, and the overhead of system resources is further reduced.
For example, the base station may record each terminal using a schedule, i.e., each terminal accessing the cell of the base station records in the schedule, and the energy index of the terminal is also recorded in the schedule. After receiving the SRS or the uplink resource scheduling request fed back by the terminal, the base station can determine the RSSI of the corresponding signal, so that the base station can calculate the energy index according to the RSSI.
For a terminal recorded in the schedule for the first time, the base station first transmits request information to the terminal at preset intervals to acquire a plurality of detection data, i.e., RSSI values. Of course, the above detection data also needs to be subjected to a filtering process, for example, the filtering process is performed on the detection data according to the above filtering formula. For example, for the terminal UE1, taking 10 data as an example, the RSSI values after the filtering process include [60, 70, 60, 70, 60, 70, 60, 70], and correspondingly, the energy index of the terminal UE1 may be determined to be 250 by performing the calculation according to the above formula for calculating the energy index. It is contemplated that the energy index may be used to represent the mobile state of the terminal to represent the activity level of the terminal in each cell.
The base station calculates a corresponding energy index for each terminal, and the base station may also order the terminals, e.g., in order of energy index from small to large. The base station may further allocate corresponding gears to each terminal, for example, 10 gears are preset in the base station, and each gear corresponds to different time intervals, for example, the gears t= { T1, T2, T3, T4, T5, T6, T7, T8, T9, T10}, where T1 to T10 are 10s,8s,6s,5s,2s,1s,900ms,800ms,600ms,500ms, respectively.
The base station can calculate the gear corresponding to each terminal through the following formula.
Wherein, the liquid crystal display device comprises a liquid crystal display device,
for the energy index corresponding to the terminal, +.>
For maximum energy index in the schedule, +.>
For gear, here 10, the celing function is a function rounded up.
For example, if the maximum energy index is 9000 and the gear number is 10, the corresponding gear t=blocking (250/9000) ×10) =1 of the terminal UE1, that is, the terminal UE1 is the first gear, and the corresponding detection interval is 10s. Therefore, the base station transmits request information to the terminal UE1 at the above-described detection interval to determine the location of the terminal.
It is conceivable that when the base station receives the feedback signal from the terminal UE1 again, the base station records a new RSSI value again, and further when the energy index of the terminal UE1 is recalculated, the base station removes one of the earliest recorded detection data, increases the newly recorded RSSI value, and calculates a new energy index. Of course, the gear of the terminal UE1 also needs to be redetermined, so that a new detection interval is allocated to the corresponding terminal UE 1. That is, the base station may continuously repeat the above process, so that the detection interval corresponding to each terminal may be more adapted to the mobile state of each terminal, thereby dynamically adjusting the detection interval, and effectively reducing the system overhead and reducing the waste of transmission resources.
Fig. 5 is a schematic diagram of a terminal position detecting device according to an embodiment of the present application, where the device is configured to execute the above-mentioned terminal position detecting method, and has functional modules and beneficial effects corresponding to executing the above-mentioned method. As shown, the apparatus includes a filter processing module 501, a data acquisition module 502, a gear selection module 503, and an interval determination module 504.
Wherein the filtering module 501 is configured to perform filtering processing on the recorded plurality of detection data associated with the terminal feedback signal; the data acquisition module 502 is configured to determine an energy index corresponding to the terminal according to the detection data after the filtering processing; the gear selection module 503 is configured to sort the terminals based on the energy indexes corresponding to the terminals, and determine the gears corresponding to the terminals; the interval determining module 504 is configured to determine a detection interval corresponding to each terminal according to a preset duration corresponding to the gear, and send request information to the terminal at the detection interval, where the detection interval and the energy index have a negative correlation.
On the basis of the above embodiment, the plurality of detection data are arranged according to the recording timing, and the filter processing module 501 is further configured to:
selecting detection data corresponding to two previous recording moments as two preamble data;
based on a plurality of preset filter coefficients, products of detection data and corresponding filter coefficients and products of preamble data and corresponding filter coefficients are determined, and the sum of the products is used as detection data after filtering processing.
On the basis of the above embodiment, the data acquisition module 502 is further configured to:
determining a sum of squares value and a compensation value corresponding to the plurality of detection data based on the plurality of detection data;
determining an energy index according to the difference value between the square sum value and the compensation value;
the compensation value is an average value of the plurality of detection data and the square value.
On the basis of the above embodiment, the gear selection module 503 is further configured to:
based on the energy index corresponding to each terminal, sequencing each terminal according to a preset sequence;
and determining the target gear of the terminal in a plurality of gears according to the ratio of the corresponding energy index of the terminal to the maximum energy index in the sequence.
On the basis of the above embodiment, the gear selection module 503 is further configured to:
the target gear is a value obtained by rounding up the product of the comparison value and the number of gears.
On the basis of the above embodiment, the terminal position detection apparatus further includes a data update module configured to:
and re-determining the energy index corresponding to the terminal by combining detection data acquired based on the detection interval.
On the basis of the above embodiment, the number of detection data recorded by the base station is a preset number, and the data updating module is configured to:
when a piece of detection data is newly added, removing a piece of historical data to keep the quantity of the detection data still meeting the preset quantity, wherein the historical data is the detection data recorded earliest in the detection data;
and updating the energy index corresponding to the terminal according to the latest recorded multiple detection data.
It should be noted that, in the embodiment of the terminal position detecting device, each functional module is only divided according to the functional logic, but not limited to the above division, so long as the corresponding function can be implemented; in addition, the specific names of the functional modules are only for distinguishing from each other, and are not used for limiting the protection scope of the application.
Fig. 6 is a schematic structural diagram of a base station according to an embodiment of the present application, where the base station is configured to execute the method for detecting a terminal position provided in the foregoing embodiment, and has functional modules and beneficial effects corresponding to executing the foregoing method. As shown, the base station comprises a processor 601, a memory 602, an input device 603 and an output device 604. The number of processors 601 in the wireless microphone may be one or more, one processor 601 being illustrated in the figure; the processor 601, memory 602, input device 603 and output device 604 may be connected by a bus or other means, the connection being illustrated by a bus. The memory 602 is a computer readable storage medium, and may be used to store a software program, a computer executable program, and modules, such as program instructions/modules corresponding to the terminal position detection method in the embodiment of the present application. The processor 601 executes corresponding various functional applications and data processing by executing software programs, instructions and modules stored in the memory 602, i.e., implements the above-described terminal position detection method.
The memory 602 may include primarily a program storage area and a data storage area, wherein the program storage area may store an operating system, at least one application program required for functionality; the storage data area may store data or the like recorded or created according to the use process. In addition, the memory 602 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device. In some embodiments, the memory 602 may further comprise remotely located memory relative to the processor 601, which may be connected to the terminal device 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 means 603 may be used for inputting corresponding numeric or character information to the processor 601 and generating key signal inputs related to user settings of the device and function control, such as inputting detection data to the processor; the output means 604 may be used to send or display key signal outputs related to user settings of the device and function control, for example to send request information to the terminal.
The present embodiments also provide a storage medium storing computer-executable instructions that, when executed by a processor, are configured to perform related operations in the terminal position detection method provided in any of the embodiments of the present application.
Computer-readable storage media, including both permanent and non-permanent, removable and non-removable media, may be implemented in any method or technology for storage of information. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Disks (DVD) or other optical storage, magnetic cassettes, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises an element.
Note that the above is only a preferred embodiment of the present application and the technical principle applied. Those skilled in the art will appreciate that the present application is not limited to the particular embodiments described herein, but is capable of numerous obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the present application. Therefore, while the present application has been described in connection with the above embodiments, the present application is not limited to the above embodiments, but may include many other equivalent embodiments without departing from the spirit of the present application, the scope of which is defined by the scope of the appended claims.
Claims (10)
1. A terminal position detection method, applied to a base station, the base station being communicatively connected to a terminal accessing any cell of the base station, the method comprising:
filtering the recorded detection data which are related to the terminal feedback signals;
according to the detection data after the filtering treatment, determining an energy index corresponding to the terminal;
determining a gear corresponding to each terminal based on the energy index corresponding to each terminal;
and determining a detection interval corresponding to each terminal according to the preset duration corresponding to the gear, and sending request information to the terminal at the detection interval so as to determine the position of the terminal, wherein the detection interval and the energy index are in a negative correlation.
2. The terminal position detection method according to claim 1, wherein a plurality of the detection data are arranged in accordance with recording timings; the filtering processing of the recorded plurality of detection data associated with the terminal feedback signal comprises:
selecting detection data corresponding to two previous recording moments as two preamble data;
and determining products of the detection data and the corresponding filter coefficients and products of the preamble data and the corresponding filter coefficients based on a plurality of preset filter coefficients, and taking the sum of the products as the detection data after the filtering processing.
3. The method for detecting a terminal position according to claim 1, wherein the determining the energy index corresponding to the terminal according to the filtered detection data includes:
determining a sum of squares value and a compensation value corresponding to a plurality of the detection data based on the plurality of the detection data;
determining the energy index according to the difference between the sum of squares value and the compensation value;
wherein the compensation value is an average value of the plurality of detection data and a square value.
4. The terminal position detection method according to claim 1, wherein the determining a gear corresponding to each of the terminals based on the energy index corresponding to each of the terminals includes:
based on the energy index corresponding to each terminal, sequencing each terminal according to a preset sequence;
and determining the target gear of the terminal in a plurality of gears according to the ratio of the energy index corresponding to the terminal to the maximum energy index in the sequence.
5. The terminal position detection method according to claim 4, wherein the target gear is a value obtained by rounding up the product of the ratio and the number of gears.
6. The terminal position detection method according to any one of claims 1 to 5, characterized in that the method further comprises:
and re-determining the energy index corresponding to the terminal by combining the detection data acquired based on the detection interval.
7. The terminal position detection method according to claim 6, wherein the number of detection data recorded by the base station is a preset number; the combination of the detection data acquired based on the detection interval, and the redetermining of the energy index corresponding to the terminal comprises the following steps:
when a piece of detection data is newly added, removing a piece of historical data to keep the quantity of the detection data still meeting the preset quantity, wherein the historical data is the detection data recorded earliest in the detection data;
and updating the energy index corresponding to the terminal according to the latest recorded multiple detection data.
8. A terminal position detection apparatus, characterized by being applied to a base station that is communicatively connected with a terminal that accesses any one of cells in the base station, comprising:
the filtering processing module is configured to perform filtering processing on the recorded detection data which are related to the terminal feedback signals;
the data acquisition module is configured to determine an energy index corresponding to the terminal according to the detection data after the filtering processing;
the gear selection module is configured to sort the terminals based on the energy indexes corresponding to the terminals and determine gears corresponding to the terminals;
the interval determining module is configured to determine a detection interval corresponding to each terminal according to the preset duration corresponding to the gear, and send request information to the terminal at the detection interval, wherein the detection interval and the energy index are in a negative correlation.
9. A base station, the base station comprising:
one or more processors;
storage means for storing one or more programs which, when executed by one or more of said processors, implement the terminal position detection method according to any one of claims 1 to 7.
10. A storage medium storing computer executable instructions which, when executed by a processor, are for performing the terminal position detection method according to any one of claims 1 to 7.
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