CN117528560A - Base station state determining method, base station state determining device, electronic equipment and storage medium - Google Patents
Base station state determining method, base station state determining device, electronic equipment and storage medium Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H—ELECTRICITY
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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 invention discloses a base station state determining method, a base station state determining device, electronic equipment and a storage medium, and belongs to the technical field of electric communication. Wherein the method comprises the following steps: determining a daemon base station of the target base station; determining a state of the target base station according to a wireless interaction signal between the target base station and the daemon base station, wherein the state of the target base station comprises at least one of the following: clock synchronization state, position coordinates, running state. The invention solves the technical problem that the base station alone can not confirm the state in the related technology, and the state of the target base station is confirmed by the wireless interactive signal of the daemon base station and the target base station, so that the state of the target base station is more convenient to confirm.
Description
Technical Field
The present invention relates to the field of telecommunications technologies, and in particular, to a method and apparatus for determining a base station state, an electronic device, and a storage medium.
Background
The intelligent operation and maintenance of the base station belongs to an emerging technical field, and the existing intelligent operation and maintenance services such as intelligent fault prediction, flow prediction, KPI anomaly detection and the like are all based on some operation and maintenance data reported by the network element base station, so that big data processing is performed, site parameter optimization is completed, and network quality is accurately improved. The existing base station obtains data mainly by actively collecting and reporting the data through a network element of the base station or collecting signaling on a transmission link.
However, the method of actively collecting and reporting by the network element of the base station or collecting the signaling on the transmission link is inconvenient in the scene that the base station alone cannot perform state confirmation, and there are inapplicable situations, for example, whether the base station is in a clock synchronization state or not is not confirmed by the data of the base station alone, if the longitude and latitude coordinate data of the antenna of some base stations are not calibrated, the base station needs to be manually checked and calibrated, and the cost of manually checking the state of the base station is too high.
Disclosure of Invention
The embodiment of the invention provides a base station state determining method, a base station state determining device, electronic equipment and a storage medium, which are used for solving the technical problem that a base station alone cannot determine the state in the related art.
According to an aspect of the embodiments of the present application, there is provided a base station state determining method, including: determining a daemon base station of the target base station; determining a state of the target base station according to a wireless interaction signal between the target base station and the daemon base station, wherein the state of the target base station comprises at least one of the following: clock synchronization state, position coordinates, running state.
Optionally, determining the daemon base station of the target base station includes: acquiring a first base station set which is smaller than or equal to a preset distance threshold from the target base station; respectively transmitting a measurement sequence to each base station in the first base station set; receiving measurement parameter results returned by each base station in the first base station set based on the measurement sequence, wherein the measurement parameters comprise at least one of power, signal-to-noise ratio and time delay of the received measurement sequence; and screening M first base stations from the first base station set according to the measurement parameter result to serve as daemon base stations of the target base station, wherein M is a positive integer.
Optionally, screening M first base stations from the first base station set according to the measurement parameter result as daemon base stations of the target base station includes: dividing a first base station set into a second set and a third set according to the topological relation between each base station in the first base station set and a target base station, wherein the second set is a base station set which is in the first base station set and is in a transmission link with the target base station of a common main control board or a common base band board, and the third set is a base station set which is in the first base station set and is in a transmission link with the target base station of a non-common main control board or a non-common base band board; sequencing the base stations in the second set according to the measurement parameter results of the base stations in the second set, and sequentially screening N second base stations exceeding a preset result threshold from the second set, wherein N is smaller than M; sequencing the base stations in a third set according to the measurement parameter results of all the base stations in the third set, and sequentially screening L third base stations exceeding a preset result threshold from the third set, wherein L is smaller than M; and determining the set of the second base station and the third base station as a daemon base station of the target base station.
Optionally, determining the state of the target base station according to the wireless interaction signal between the target base station and the daemon base station includes: calculating a first time delay for the target base station to send wireless signals to the daemon base station, and calculating a second time delay for the daemon base station to send wireless signals to the target base station; calculating clock synchronization deviation of the target base station and the daemon base station according to the first time delay and the second time delay; judging whether the clock synchronization deviation is larger than a preset deviation threshold value or not; and if the clock synchronization deviation is larger than a preset deviation threshold, determining that the clock synchronization of the target base station is out of step.
Optionally, determining the state of the target base station according to the wireless interaction signal between the target base station and the daemon base station further includes: acquiring wireless signal receiving and transmitting time between the target base station and at least three daemon base stations; acquiring the position information of the at least three daemon base stations; and determining the position coordinates of the target base station according to the position information of the at least three daemon base stations and the wireless signal receiving and transmitting time.
Optionally, determining the state of the target base station according to the wireless interaction signal between the target base station and the daemon base station further includes: monitoring a broken link alarm uploaded by the target base station, wherein the broken link alarm is used for indicating the disconnection of a link between the target base station and a packet core network; when the uploading broken link alarm of the target base station is detected, sending heartbeat state information to the daemon base station through a wireless signal, wherein the heartbeat state information is used for indicating whether the daemon base station monitors to obtain the heartbeat signal of the target base station; and judging the running state of the target base station according to the heartbeat state information.
Optionally, determining the operation state of the target base station according to the heartbeat state information includes: if the guard base station monitors and obtains the heartbeat signal of the target base station, determining that the operation state of the target base station is normal; if the daemon base station can not monitor and obtain the heartbeat signal of the target base station, determining that the operation state of the target base station is abnormal.
According to another aspect of an embodiment of the present invention, there is provided a base station state determining apparatus, including: a first determining module, configured to determine a daemon base station of the target base station; the second determining module is configured to determine a state of the target base station according to a wireless interaction signal between the target base station and the daemon base station, where the state of the target base station includes at least one of: clock synchronization state, position coordinates, running state.
Optionally, the first determining module includes: an acquisition unit, configured to acquire a first base station set that is less than or equal to a preset distance threshold from the target base station; a transmitting unit, configured to transmit measurement sequences to each base station in the first base station set respectively; the receiving unit is used for receiving measurement parameter results returned by each base station in the first base station set based on the measurement sequence, wherein the measurement parameters comprise at least one of power, signal-to-noise ratio and time delay of the received measurement sequence; and the screening unit is used for screening M first base stations from the first base station set according to the measurement parameter result to serve as daemon base stations of the target base station, wherein M is a positive integer.
Optionally, the screening unit comprises: the dividing unit is used for dividing the first base station set into a second set and a third set according to the topological relation between each base station in the first base station set and the target base station, wherein the second set is a base station set which is in the first base station set and is in common with the target base station for a main control board or a base band board transmission link, and the third set is a base station set which is in the first base station set and is in common with the target base station for a base band board transmission link; the first screening unit is used for sequencing the base stations in the second set according to the measurement parameter results of the base stations in the second set, and sequentially screening N second base stations exceeding a preset result threshold value from the second set, wherein N is smaller than M; the second screening unit is used for sequencing the base stations in the third set according to the measurement parameter results of the base stations in the third set, and sequentially screening L third base stations exceeding a preset result threshold value from the third set, wherein L is smaller than M; a determining subunit configured to determine the set of the second base station and the third base station as a daemon base station of the target base station.
Optionally, the second determining module includes: a clock synchronization state determining unit, configured to calculate a first time delay when the target base station transmits a wireless signal to the daemon base station, and calculate a second time delay when the daemon base station transmits a wireless signal to the target base station; calculating clock synchronization deviation of the target base station and the daemon base station according to the first time delay and the second time delay; judging whether the clock synchronization deviation is larger than a preset deviation threshold value or not; and if the clock synchronization deviation is larger than a preset deviation threshold, determining that the clock synchronization of the target base station is out of step.
Optionally, the second determining module further includes: the position coordinate determining unit is used for obtaining wireless signal receiving and transmitting time between the target base station and at least three daemon base stations; acquiring the position information of the at least three daemon base stations; and determining the position coordinates of the target base station according to the position information of the at least three daemon base stations and the wireless signal receiving and transmitting time.
Optionally, the second determining module further includes: the running state determining unit is used for monitoring a broken link alarm uploaded by the target base station, wherein the broken link alarm is used for indicating the disconnection of a link between the target base station and a packet core network; when the uploading broken link alarm of the target base station is detected, sending heartbeat state information to the daemon base station through a wireless signal, wherein the heartbeat state information is used for indicating whether the daemon base station monitors to obtain the heartbeat signal of the target base station; and judging the running state of the target base station according to the heartbeat state information.
Optionally, the operation state determining unit is further configured to determine that the operation state of the target base station is normal if the daemon base station monitors to obtain the heartbeat signal of the target base station; if the daemon base station can not monitor and obtain the heartbeat signal of the target base station, determining that the operation state of the target base station is abnormal.
According to another aspect of the embodiments of the present invention, there is also provided a storage medium including a stored program, wherein the program when run performs any of the method steps described above.
According to another aspect of the embodiment of the present invention, there is also provided an electronic device including a processor, a communication interface, a memory, and a communication bus, where the processor, the communication interface, and the memory complete communication with each other through the communication bus; wherein: a memory for storing a computer program; a processor for performing the method steps of any of the above claims by running a program stored on a memory.
Embodiments of the present invention also provide a computer program product comprising instructions which, when run on a computer, cause the computer to perform the steps of the above method.
According to the invention, the daemon base station of the target base station is determined; determining a state of the target base station according to a wireless interaction signal between the target base station and the daemon base station, wherein the state of the target base station comprises at least one of the following: the clock synchronization state, the position coordinates and the running state of the target base station are determined through the signal interaction coordination of the daemon base station, the technical problem that the state of the target base station cannot be confirmed by the base station alone in the related art is solved, the clock synchronization state, the position coordinates and the running state of the target base station are remotely determined according to the signal interaction of the daemon base station and the target base station through determining the daemon base station of the target base station, the calibration or the detection is not needed by manually uploading the target base station, and the state confirmation of the base station is more convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a block diagram of the hardware architecture of a computer according to an embodiment of the present invention;
fig. 2 is a flowchart of a base station state determining method according to an embodiment of the present invention;
FIG. 3 is a detailed flow chart of the daemon base station step of determining a target base station according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a base station relationship topology according to an embodiment of the present invention;
FIG. 5 is a diagram of a target base station and daemon base station distribution according to an embodiment of the present invention;
FIG. 6 is a detailed flow chart of the steps of determining the status of the target base station from the wireless interaction signal between the target base station and the daemon base station according to an embodiment of the present invention;
FIG. 7 is another detailed flow chart of the step of determining the status of the target base station from the wireless interaction signal between the target base station and the daemon base station according to an embodiment of the present invention;
FIG. 8 is a further refined flow chart of the step of determining the status of the target base station from the wireless interaction signal between the target base station and the daemon base station according to an embodiment of the present invention;
Fig. 9 is a block diagram of a configuration of a base station state determining apparatus according to an embodiment of the present invention;
fig. 10 is a block diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures 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 where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The method embodiment provided in the first embodiment of the present application may be performed in a mobile phone, a computer, a tablet, a server, or a similar computing device. Taking a computer as an example, fig. 1 is a block diagram of a hardware structure of a computer according to an embodiment of the present invention. As shown in fig. 1, the computer may include one or more processors 102 (only one is shown in fig. 1) (the processor 102 may include, but is not limited to, a microprocessor MCU or a processing device such as a programmable logic device FPGA) and a memory 104 for storing data, and optionally, a transmission device 106 for communication functions and an input-output device 108. It will be appreciated by those of ordinary skill in the art that the configuration shown in FIG. 1 is merely illustrative and is not intended to limit the configuration of the computer described above. For example, the computer may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.
The memory 104 may be used to store a computer program, for example, a software program of application software and a module, such as a computer program corresponding to a base station state determining method in an embodiment of the present invention, and the processor 102 executes the computer program stored in the memory 104 to perform various functional applications and data processing, that is, implement the above-mentioned method. Memory 104 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, memory 104 may further include memory located remotely from processor 102, which may be connected to the computer 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 transmission device 106 is used to receive or transmit data via a network. Specific examples of the network described above may include a wireless network provided by a communications provider of a computer. In one example, the transmission device 106 includes a network adapter (Network Interface Controller, simply referred to as NIC) that can connect to other network devices through a base station to communicate with the internet. In one example, the transmission device 106 may be a Radio Frequency (RF) module, which is configured to communicate with the internet wirelessly.
In this embodiment, a base station state determining method is provided, fig. 2 is a flowchart of a base station state determining method according to an embodiment of the present invention, and as shown in fig. 2, the flowchart includes the following steps:
s10, determining a daemon base station of a target base station;
the base station, i.e. the public mobile communication base station, is an interface device for the mobile device to access the internet. The Base station in the embodiment of the invention refers to processing equipment from the antenna end of the Base station to a radio frequency in an AAU (Active Antenna Unit )/RRU (Remote Radio Unit, remote radio unit) and then to a Base Band Unit (BBU) to a forwarding port for one physical cell.
In the embodiment of the invention, the target base station is expressed as a base station needing to perform state determination, and the daemon base station is expressed as a base station which assists in performing state determination by being matched with the target base station through wireless signal interaction with the target base station.
In an example, the manner of determining the daemon base station of the target base station may be to customize the adding base station list according to the actual situation to determine the daemon base station of the target base station.
S20, determining the state of the target base station according to the wireless interaction signal between the target base station and the daemon base station, wherein the state of the target base station comprises at least one of the following: clock synchronization state, position coordinates, running state.
Generally, in the related art, the network element base station reports operation and maintenance data by itself, or intelligent operation and maintenance services such as fault prediction, flow prediction, KPI anomaly detection and the like are performed on the network element base station through signaling collection on a transmission link, however, the mode is inapplicable in an operation and maintenance service scene which cannot be identified by the base station alone, for example, if the longitude and latitude coordinate data of an antenna of the base station is not calibrated, the base station cannot determine the position of the base station, and in this case, the base station needs to manually go to the station to calibrate the longitude and latitude, so that the cost is high.
To solve the defect, in the embodiment of the present invention, a daemon base station of a target base station is first determined, and then, a state of the target base station is determined through wireless interaction signals between the target base station and the daemon base station, where the state of the target base station to be determined may be at least one of a clock synchronization state, a position coordinate, an operation state, and the like.
For example, the clock synchronization deviation of the target base station may be calculated according to the signal delay between the target base station and the daemon base station, so as to determine the clock synchronization state of the target base station.
For another example, at least three daemon base stations with known positions may be selected, distances between the target base station and the at least three daemon base stations are determined according to wireless signal transceiving time between the target base station and the at least three daemon base stations, and then position coordinates of the target base station are obtained by combining position information of the at least three daemon base stations.
For another example, the operation state of the target base station may be determined according to the heartbeat signal sent by the target base station to the daemon base station, for example, when the daemon base station receives the heartbeat signal of the target base station, it indicates that the target base station is operating normally and has the capability of operating normally, and when the daemon base station cannot receive the heartbeat signal of the target base station, it indicates that the operation state of the target base station is abnormal, and the target base station may be powered down or have other faults.
According to the embodiment of the invention, the target base station realizes the state determination according to the signal interaction with the daemon base station, the technical problem that the state confirmation cannot be carried out by the base station alone in the related technology is solved, the daemon base station of the target base station is determined, the clock synchronization state, the position coordinates and the running state of the target base station are remotely determined according to the signal interaction of the daemon base station and the target base station, the calibration or the detection is not needed by manually uploading the base station, and the state confirmation of the base station is more convenient.
FIG. 3 is a detailed flowchart of the step of determining a target base station daemon base station according to an embodiment of the present invention, as shown in FIG. 3, in an example of an embodiment of the present invention, determining a target base station daemon base station, S10, includes:
s101, acquiring a first base station set with the distance from the target base station being smaller than or equal to a preset distance threshold;
the embodiment of the invention firstly determines the base stations within a certain radius range from the target base station, and takes the first base station set with the distance from the target base station being smaller than or equal to the preset distance threshold value as the neighbor station of the target base station, wherein the preset distance radius can be set according to experience or experiments, and the embodiment of the invention is not particularly limited.
S102, respectively transmitting measurement sequences to each base station in the first base station set;
the target base station sends a specific measurement sequence on a certain time domain symbol to test the performance of each base station in the first base station set, wherein the sent measurement sequence can be a ZC (Zadoff-Chu) sequence, and the ZC sequence is one of CAZAC (Const Amplitude Zero Auto-correlation) sequences, has good autocorrelation and very low cross correlation, is beneficial to reducing the mutual interference between different preambles, has symmetry, is beneficial to reducing the complexity of sequence generation, ensures the improvement of the sequence detection performance, and can be used for generating a synchronous signal as related transport for time and frequency. In other embodiments, the measurement sequences transmitted to each base station in the first set of base stations may also be other sequences with high auto-correlation and low cross-correlation.
S103, receiving measurement parameter results returned by each base station in the first base station set based on the measurement sequence, wherein the measurement parameters comprise at least one of power, signal-to-noise ratio and time delay of the received measurement sequence;
each base station in the first base station set receives the measurement sequence sent by the target base station on the time domain symbol, and performs measurement, such as calculation of measurement parameters of received power, time delay, signal to noise ratio and the like, and returns measurement parameter results.
S104, M first base stations are screened out from the first base station set according to the measurement parameter result to serve as daemon base stations of the target base station, wherein M is a positive integer.
And screening M first base stations from the first base station set as daemon base stations of the target base station according to the measurement parameter results of all the base stations in the first base station set. For example, the top M first base stations in the first set of base stations that result in the top better rank may be selected as the daemon base stations for the target base station.
The embodiment of the invention realizes that the interaction performance between each base station in the first base station set and the target base station is tested by respectively sending the measurement sequences to each base station in the first base station set, and the base station with better performance is selected as the daemon base station of the target base station according to the measurement parameter result.
In an example, M first base stations are screened from the first base station set as daemon base stations of the target base station according to the measurement parameter result, S104 includes:
s1041, dividing a first base station set into a second set and a third set according to the topological relation between each base station in the first base station set and a target base station, wherein the second set is a base station set of which the first base station set and the target base station are the common main control board or the common base band board transmission link, and the third set is a base station set of which the first base station set and the target base station are not the common main control board or the common base band board transmission link;
In the embodiment of the invention, the relation between the base stations is divided into two types, one type is the relation of the transmission links of the common main control board or the common base band board, and the other type is the relation of the transmission links of the non-common main control board or the non-common base band board. Specifically, referring to fig. 4, fig. 4 is a schematic diagram of a base station relationship topology according to an embodiment of the present invention, and as shown in fig. 4, a base station is mainly composed of an antenna, an RRU, and a BBU, or is composed of an AAU and a BBU (the AAU is an integrated device of the RRU and the antenna), and is connected to a PTN (Packet Transport Network, packet transfer network) through an optical fiber, a network cable, or a 2M line, etc. The BBU is mainly responsible for signal modulation, and the organism includes main control board and baseband board, realizes its function through main control board and baseband board, and wherein, main control board is responsible for handling the signaling from core network, user's cell-phone, is responsible for interconnection intercommunication with the core network to and receive GPS's synchronization information and positioning information, baseband board is responsible for carrying out baseband processing such as coding, the modulation of data, and will process the data transmission that waits to transmit for RRU. In fig. 4, the topological relationship between the base station 1 and the base station 2 or between the base station 1 and the base station 3 belongs to the base station relationship between the cross-BBU or the BBU, and the two do not share the main control board or the transmission link of the base station, and the base station 2 and the base station 3 belong to the base station relationship in the BBU, and the two share the main control board or the transmission link of the base station.
The embodiment of the invention divides the first base station set into a second set and a third set according to the topological relation of whether each base station and the target base station are the common main control board or the common base band board transmission link, wherein the second set is the base station set which is the common main control board or the common base band board transmission link with the target base station in the first base station set, and the third set is the base station set which is the non-common main control board or the non-common base band board transmission link with the target base station in the first base station set.
Assuming that the target base station to be guarded is A, firstly taking the base station A as a circle center, taking the base station within a certain radius range from the base station A as a neighboring station of the base station A, a first set of base stations B { B1, B2, B3...and Bn } is obtained, after which, dividing the first base station set B into two subsets according to the topological relation between each base station in the set B and the target base station A, wherein, the topological relation between the set B and the base station A is shared by a main control board or a common base band board transmission link and is marked as a second set C { C1, C2 and C3... The first set C.sub.m }, the topological relation between the set B and the base station A is not shared by the main control board or the common base band board transmission link and is marked as a third set D { D1, D2 and D3.. Sub.Dk }, and m and k are positive integers which are larger than or equal to 1.
S1042, sorting the base stations in the second set according to the measurement parameter results of the base stations in the second set, and sequentially screening N second base stations exceeding a preset result threshold from the second set, wherein N is smaller than M;
S1043, sorting the base stations in the third set according to the measurement parameter results of the base stations in the third set, and sequentially screening L third base stations exceeding a preset result threshold from the third set, wherein L is smaller than M;
and S1044, determining the set of the second base station and the third base station as a daemon base station of the target base station.
The target base station a transmits a specific measurement sequence on a certain time domain symbol, each base station of the second set C { C1, C2, C3...cm } and the third set D { D1, D2, D3..dk } receives the measurement sequence on the time domain symbol, performs measurement, calculates a measurement parameter of at least one of received power, time delay, signal to noise ratio, and the like, and performs scoring weighting to obtain a measurement parameter result of each base station in the set. Sequencing the base stations in the second set C and the third set D from good to bad according to the measurement result, and sequencing the second set C to obtain a set E { E1, E2 and E3.. The third set D is ordered to obtain a set F { F1, F2, F3.. And sequentially screening the first N second base stations exceeding a preset result threshold from the set E, sequentially screening the first L third base stations exceeding the preset result threshold from the set F, and determining the set of the second base stations and the third base stations as the guard base station of the target base station.
Considering that each neighbor station in the first set B of base stations of the signal sent by the base station a must receive, possibly some of the neighbor stations are strong and some of the neighbor stations are weak, the measurement parameter result is over the threshold to indicate that the base station has the capability of extracting information from the signal, on the other hand, in order to prevent the guard base station from being too large and complex in processing data due to too many base stations, the base stations with thresholds (exceeding the preset result threshold) are selected from the set E and the set F after being sequenced according to the measurement parameter result, and the number (N, L) of the selected base stations is limited. In addition, in practical application, the number of the screened base stations can not reach the limit number because the base stations cannot exceed the threshold, and the number of the screened base stations can be 0 in the limit condition, so that the target base station A is not provided with a daemon base station meeting the requirements, belongs to an island station, and cannot be well communicated with other base stations.
In an example, assuming that the threshold (the preset result threshold) is limtsnr, the number limitation is assumed to be N, l=3, so that at most 6 daemon base stations are obtained, 3 second base stations { E1, E2, E3} exceeding the preset result threshold limtsnr are sequentially screened out of the set E, 3 third base stations { F1, F2, F3} exceeding the preset result threshold limtsnr are sequentially screened out of the set F, the sets { E1, E2, E3, F1, F2, F3} of the second base stations and the third base stations are daemon base stations of the selected target base station, as shown in fig. 5, and fig. 5 is a schematic distribution diagram of the target base station and daemon base station according to the embodiment of the present invention, and at this time, the base stations E1, E2, E3, F1, F2, F3 are daemon base stations of the screened target base station a.
According to the embodiment of the invention, the distribution topological relation of the base stations is considered, the first base station set is divided into the second set and the third set according to the topological relation between each base station in the first base station set and the target base station, then the base stations are respectively sequenced according to the measurement parameter results from the second set and the third set, the base station sets with limited numbers and exceeding the preset result threshold value are sequentially screened out to serve as the guard base stations of the target base stations, on one hand, the performance of the selected guard base stations is ensured through the sequential screening of the measurement parameter results, and on the other hand, the problem that the processing data is huge and complex due to the fact that the number of the guard base stations is too large is avoided through the limited numbers.
Referring to fig. 6, fig. 6 is a detailed flowchart of a step of determining a state of the target base station according to a wireless interaction signal between the target base station and the daemon base station according to an embodiment of the present invention, as shown in fig. 6, in an example, determining the state of the target base station according to the wireless interaction signal between the target base station and the daemon base station, S20, including:
s201, calculating a first time delay for the target base station to send wireless signals to the daemon base station, and calculating a second time delay for the daemon base station to send wireless signals to the target base station;
Each node in the wireless communication network has an independent hardware clock, the hardware clock is clocked through a crystal oscillator and a counter, and the frequency of the crystal oscillator of each node hardware clock has differences due to the reasons of manufacturing technology, external environment, hardware aging and the like, so that the completion of frequency synchronization between node clocks is an important guarantee of time synchronization between network nodes.
If the daemon of the target base station needs the time of N radio frames, in the N radio frames, the target base station A transmits a radio signal sequence, all daemon base stations of the target base station A receive the radio signal sequence, then the daemon base stations transmit the sequence to the target base station A in turn, the base station A receives the sequence, at the moment, the pairing of signals between the target base station A and all daemon base stations is completed, useful information is extracted from the received sequence to perform state judgment, and the first time delay of the target base station A transmitting the daemon base station E1 receiving the radio signal sequence is Ta1, and the second time delay of the daemon base station E1 transmitting the target base station A receiving the radio signal sequence is Ta2.
S202, calculating clock synchronization deviation of the target base station and the daemon base station according to the first time delay and the second time delay;
And calculating the clock synchronization deviation of the target base station A and the daemon base station E1 to be (Ta 1-Ta 2)/2 through the first time delay Ta1 and the second time delay Ta 2.
S203, judging whether the clock synchronization deviation is larger than a preset deviation threshold value;
s204, if the clock synchronization deviation is larger than a preset deviation threshold, determining that the clock of the target base station is out of step.
And if the clock synchronization deviation between the target base station and the daemon base station is greater than a preset deviation threshold value when the daemon base station periodically daemon the target base station, the target base station is considered to have clock synchronization loss.
For example, when the base station is just built or the base station is in synchronization with normal service, the clock deviation information of the base station is determined, the clock deviation between the target base station and the daemon base station is in a small value range, such as 3us, the dynamic change of the clock deviation between the target base station and the daemon base station can be known through periodically inter-beating signals of the target base station and the daemon base station, when the clock synchronization deviation of the target base station and the daemon base station is 10us and exceeds a preset deviation threshold value of 3us, the clock synchronization suspicion exists in the target A base station, and then the alarm information can be generated for notification.
The embodiment of the invention realizes the determination of the clock synchronization state of the target base station according to the wireless interaction signals of the target base station and the daemon base station.
In recent years, operators require a base station to mark the longitude and latitude of the coordinate where the base station is located, but the base station established many years ago in the existing network has no longitude and latitude information, if the base station is found by manual calibration, the base station is a huge project, and after the base station is found, the base station cannot be in one-to-one correspondence with the number of the base station in a background network manager. Referring to fig. 7, fig. 7 is another detailed flowchart of a step of determining a state of the target base station according to a wireless interaction signal between the target base station and the daemon base station according to an embodiment of the present invention, as shown in fig. 7, in another example, determining the state of the target base station according to the wireless interaction signal between the target base station and the daemon base station, S20, includes:
s211, acquiring wireless signal receiving and transmitting time between the target base station and at least three daemon base stations;
The target base station sends wireless signals to at least three daemon base stations, wherein the position coordinates of the at least three daemon base stations are known, the target base station is a base station of the position information to be determined, and the distances between the target base station and the at least three daemon base stations can be determined by adopting a unilateral two-way ranging method or a bilateral two-way ranging method by acquiring the wireless signal receiving and transmitting time between the target base station and the at least three daemon base stations.
S212, acquiring the position information of the at least three daemon base stations;
and acquiring the position information such as longitude and latitude coordinates of the at least three daemon base stations.
S213, determining the position coordinates of the target base station according to the position information of the at least three daemon base stations and the wireless signal receiving and transmitting time.
And determining longitude and latitude position coordinates of the target base station through circumferential positioning according to the position information of the at least three daemon base stations and the distances between the target base station and the at least three daemon base stations.
In other embodiments, the location coordinates of the target base station may be determined by using a positioning method such as TOA (time of arrival), TDOA (time difference of arrival), AOA (angle of arrival), and the like according to the location information of the daemon base station and the time of transmission and reception of the wireless signal between the target base station and the daemon base station.
The embodiment of the invention realizes the determination of the position coordinates of the target base station according to the wireless interaction signals of the target base station and the daemon base station, realizes the positioning of the base station with unknown longitude and latitude according to the base station with known longitude and latitude, does not need to calibrate the position information of the target base station on the manual site, and has more convenient position confirmation of the target base station and lower cost.
Fig. 8 is a further refined flowchart of the step of determining the state of the target base station from the wireless interaction signal between the target base station and the daemon base station according to an embodiment of the present invention, as shown in fig. 8, in a further example, determining the state of the target base station from the wireless interaction signal between the target base station and the daemon base station, S20, comprising:
s221, monitoring a broken link alarm uploaded by the target base station, wherein the broken link alarm is used for indicating the disconnection of a link between the target base station and a packet core network;
when the return/forward port of the target base station reports a broken link alarm, the link between the target base station and the packet core network is indicated to be broken, which may be that the transmission link is actually broken, or that the front end of the transmission link is powered down or fails, but the reasons of the failure are different, if the failure cannot be well demarcated, the situation of manpower scheduling waste may be caused.
S222, when the uploading broken link alarm of the target base station is detected, sending heartbeat state information to the daemon base station through a wireless signal, wherein the heartbeat state information is used for indicating whether the daemon base station monitors to obtain the heartbeat signal of the target base station;
in the embodiment of the invention, the broken link alarm uploaded by the target base station is monitored, and when the broken link alarm of the S1 port uploaded by the target base station is detected, the heartbeat state information is sent to the daemon base station through the wireless signal, and the daemon base station is instructed to monitor the heartbeat signal sent by the target base station.
S223, judging the running state of the target base station according to the heartbeat state information.
If the daemon base station monitors and obtains the heartbeat signal of the target base station, the target base station has normal working capacity when power is not lost, the running state of the target base station is normal, and the S1 port true transmission is possibly broken, and at the moment, a transmission maintenance team can be arranged to go on the station for fault investigation; if the daemon base station can not monitor and obtain the heartbeat signal of the target base station, the operation state of the target base station is abnormal, the target base station can not work normally, and the high probability is that the target base station is powered down or fails, the base station maintenance team can be arranged to go on the station for failure detection.
According to the embodiment of the invention, the determination of the running state of the target base station when uploading the broken link alarm is realized according to the wireless interactive signals of the target base station and the daemon base station, and the preliminary demarcation positioning of the broken link problem can be remotely carried out.
From the description of the above embodiments, it will be clear to a person skilled in the art that the method according to the above embodiments may be implemented by means of software plus the necessary general hardware platform, but of course also by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the related art in the form of a software product stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), including several instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The embodiment also provides a base station state determining device and a system, which are used for implementing the above embodiment and the preferred implementation manner, and are not described in detail. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. While the means described in the following embodiments are preferably implemented in software, implementation in hardware, or a combination of software and hardware, is also possible and contemplated.
Fig. 9 is a block diagram of a base station state determining apparatus according to an embodiment of the present invention, as shown in fig. 9, including: the first determination module 100, the second determination module 200, wherein,
a first determining module 100, configured to determine a daemon base station of the target base station;
a second determining module 200, configured to determine a state of the target base station according to a wireless interaction signal between the target base station and the daemon base station, where the state of the target base station includes at least one of: clock synchronization state, position coordinates, running state.
Optionally, the first determining module includes: an acquisition unit, configured to acquire a first base station set that is less than or equal to a preset distance threshold from the target base station; a transmitting unit, configured to transmit measurement sequences to each base station in the first base station set respectively; the receiving unit is used for receiving measurement parameter results returned by each base station in the first base station set based on the measurement sequence, wherein the measurement parameters comprise at least one of power, signal-to-noise ratio and time delay of the received measurement sequence; and the screening unit is used for screening M first base stations from the first base station set according to the measurement parameter result to serve as daemon base stations of the target base station, wherein M is a positive integer.
Optionally, the screening unit comprises: the dividing unit is used for dividing the first base station set into a second set and a third set according to the topological relation between each base station in the first base station set and the target base station, wherein the second set is a base station set which is in the first base station set and is in common with the target base station for a main control board or a base band board transmission link, and the third set is a base station set which is in the first base station set and is in common with the target base station for a base band board transmission link; the first screening unit is used for sequencing the base stations in the second set according to the measurement parameter results of the base stations in the second set, and sequentially screening N second base stations exceeding a preset result threshold value from the second set, wherein N is smaller than M; the second screening unit is used for sequencing the base stations in the third set according to the measurement parameter results of the base stations in the third set, and sequentially screening L third base stations exceeding a preset result threshold value from the third set, wherein L is smaller than M; a determining subunit configured to determine the set of the second base station and the third base station as a daemon base station of the target base station.
Optionally, the second determining module includes: a clock synchronization state determining unit, configured to calculate a first time delay when the target base station transmits a wireless signal to the daemon base station, and calculate a second time delay when the daemon base station transmits a wireless signal to the target base station; calculating clock synchronization deviation of the target base station and the daemon base station according to the first time delay and the second time delay; judging whether the clock synchronization deviation is larger than a preset deviation threshold value or not; and if the clock synchronization deviation is larger than a preset deviation threshold, determining that the clock synchronization of the target base station is out of step.
Optionally, the second determining module further includes: the position coordinate determining unit is used for obtaining wireless signal receiving and transmitting time between the target base station and at least three daemon base stations; acquiring the position information of the at least three daemon base stations; and determining the position coordinates of the target base station according to the position information of the at least three daemon base stations and the wireless signal receiving and transmitting time.
Optionally, the second determining module further includes: the running state determining unit is used for monitoring a broken link alarm uploaded by the target base station, wherein the broken link alarm is used for indicating the disconnection of a link between the target base station and a packet core network; when the uploading broken link alarm of the target base station is detected, sending heartbeat state information to the daemon base station through a wireless signal, wherein the heartbeat state information is used for indicating whether the daemon base station monitors to obtain the heartbeat signal of the target base station; and judging the running state of the target base station according to the heartbeat state information.
Optionally, the operation state determining unit is further configured to determine that the operation state of the target base station is normal if the daemon base station monitors to obtain the heartbeat signal of the target base station; if the daemon base station can not monitor and obtain the heartbeat signal of the target base station, determining that the operation state of the target base station is abnormal.
It should be noted that each of the above modules may be implemented by software or hardware, and for the latter, it may be implemented by, but not limited to: the modules are all located in the same processor; alternatively, the above modules may be located in different processors in any combination.
The embodiment of the invention also provides an electronic device, and fig. 10 is a structural diagram of the electronic device according to the embodiment of the invention, as shown in fig. 10, including a processor 101, a communication interface 102, a memory 103 and a communication bus 104, where the processor 101, the communication interface 102, the memory 103 complete communication with each other through the communication bus 104, and the memory 103 is used for storing a computer program; the processor 101 is configured to execute a program stored in the memory 103, and implement the following steps:
s1, determining a daemon base station of a target base station;
s2, determining the state of the target base station according to the wireless interaction signal between the target base station and the daemon base station, wherein the state of the target base station comprises at least one of the following: clock synchronization state, position coordinates, running state.
The communication bus mentioned by the above terminal may be a peripheral component interconnect standard (Peripheral Component Interconnect, abbreviated as PCI) bus or an extended industry standard architecture (Extended Industry Standard Architecture, abbreviated as EISA) bus, etc. The communication bus may be classified as an address bus, a data bus, a control bus, or the like. For ease of illustration, the figures are shown with only one bold line, but not with only one bus or one type of bus.
The communication interface is used for communication between the terminal and other devices.
The memory may include random access memory (Random Access Memory, RAM) or non-volatile memory (non-volatile memory), such as at least one disk memory. Optionally, the memory may also be at least one memory device located remotely from the aforementioned processor.
The processor may be a general-purpose processor, including a central processing unit (Central Processing Unit, CPU for short), a network processor (Network Processor, NP for short), etc.; but also digital signal processors (Digital Signal Processing, DSP for short), application specific integrated circuits (Application Specific Integrated Circuit, ASIC for short), field-programmable gate arrays (Field-Programmable Gate Array, FPGA for short) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.
In yet another embodiment of the present invention, a computer readable storage medium is provided, in which instructions are stored, which when run on a computer, cause the computer to perform the base station state determining method according to any one of the above embodiments.
In yet another embodiment of the present invention, a computer program product containing instructions, which when run on a computer, causes the computer to perform the base station state determination method according to any of the above embodiments is also provided.
In the above embodiments, it may be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, produces a flow or function in accordance with embodiments of the present invention, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another, for example, by wired (e.g., coaxial cable, optical fiber, digital Subscriber Line (DSL)), or wireless (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains an integration of one or more available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid State Disk (SSD)), etc.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the scope of the present application. Any modifications, equivalent substitutions, improvements, etc. that are within the spirit and principles of the present application are intended to be included within the scope of the present application.
The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method for determining a status of a base station, comprising:
determining a daemon base station of the target base station;
determining a state of the target base station according to a wireless interaction signal between the target base station and the daemon base station, wherein the state of the target base station comprises at least one of the following: clock synchronization state, position coordinates, running state.
2. The base station state determining method of claim 1, wherein determining the daemon base station of the target base station comprises:
acquiring a first base station set which is smaller than or equal to a preset distance threshold from the target base station;
respectively transmitting a measurement sequence to each base station in the first base station set;
receiving measurement parameter results returned by each base station in the first base station set based on the measurement sequence, wherein the measurement parameters comprise at least one of power, signal-to-noise ratio and time delay of the received measurement sequence;
and screening M first base stations from the first base station set according to the measurement parameter result to serve as daemon base stations of the target base station, wherein M is a positive integer.
3. The base station state determining method according to claim 2, wherein screening M first base stations from the first base station set as daemon base stations of the target base station according to the measurement parameter result comprises:
dividing a first base station set into a second set and a third set according to the topological relation between each base station in the first base station set and a target base station, wherein the second set is a base station set which is in the first base station set and is in a transmission link with the target base station of a common main control board or a common base band board, and the third set is a base station set which is in the first base station set and is in a transmission link with the target base station of a non-common main control board or a non-common base band board;
Sequencing the base stations in the second set according to the measurement parameter results of the base stations in the second set, and sequentially screening N second base stations exceeding a preset result threshold from the second set, wherein N is smaller than M;
sequencing the base stations in a third set according to the measurement parameter results of all the base stations in the third set, and sequentially screening L third base stations exceeding a preset result threshold from the third set, wherein L is smaller than M;
and determining the set of the second base station and the third base station as a daemon base station of the target base station.
4. The base station state determining method of claim 1, wherein determining the state of the target base station from wireless interaction signals between the target base station and the daemon base station comprises:
calculating a first time delay for the target base station to send wireless signals to the daemon base station, and calculating a second time delay for the daemon base station to send wireless signals to the target base station;
calculating clock synchronization deviation of the target base station and the daemon base station according to the first time delay and the second time delay;
judging whether the clock synchronization deviation is larger than a preset deviation threshold value or not;
And if the clock synchronization deviation is larger than a preset deviation threshold, determining that the clock synchronization of the target base station is out of step.
5. The base station state determining method of claim 1, wherein determining the state of the target base station from wireless interaction signals between the target base station and the daemon base station comprises:
acquiring wireless signal receiving and transmitting time between the target base station and at least three daemon base stations;
acquiring the position information of the at least three daemon base stations;
and determining the position coordinates of the target base station according to the position information of the at least three daemon base stations and the wireless signal receiving and transmitting time.
6. The base station state determining method of claim 1, wherein determining the state of the target base station from wireless interaction signals between the target base station and the daemon base station comprises:
monitoring a broken link alarm uploaded by the target base station, wherein the broken link alarm is used for indicating the disconnection of a link between the target base station and a packet core network;
when the uploading broken link alarm of the target base station is detected, sending heartbeat state information to the daemon base station through a wireless signal, wherein the heartbeat state information is used for indicating whether the daemon base station monitors to obtain the heartbeat signal of the target base station;
And judging the running state of the target base station according to the heartbeat state information.
7. The base station state determination method according to claim 6, wherein determining the operation state of the target base station based on the heartbeat state information includes:
if the guard base station monitors and obtains the heartbeat signal of the target base station, determining that the operation state of the target base station is normal;
if the daemon base station can not monitor and obtain the heartbeat signal of the target base station, determining that the operation state of the target base station is abnormal.
8. A base station state determining apparatus, comprising:
a first determining module, configured to determine a daemon base station of the target base station;
the second determining module is configured to determine a state of the target base station according to a wireless interaction signal between the target base station and the daemon base station, where the state of the target base station includes at least one of: clock synchronization state, position coordinates, running state.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor, implements the steps of the base station state determination method of any of claims 1 to 7.
10. A storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the base station state determination method according to any of claims 1 to 7.
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| CN202210907076.7A CN117528560A (en) | 2022-07-29 | 2022-07-29 | Base station state determining method, base station state determining device, electronic equipment and storage medium |
| PCT/CN2023/077241 WO2024021585A1 (en) | 2022-07-29 | 2023-02-20 | Method and apparatus for determining state of base station, and electronic device and storage medium |
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| CN202210907076.7A CN117528560A (en) | 2022-07-29 | 2022-07-29 | Base station state determining method, base station state determining device, electronic equipment and storage medium |
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| WO2016187841A1 (en) * | 2015-05-27 | 2016-12-01 | 华为技术有限公司 | Evolved node b service state detection method, network operations support system, and evolved node b |
| CN108713334B (en) * | 2016-03-15 | 2021-02-23 | 华为技术有限公司 | Synchronization method and equipment between base stations |
| CN110798854B (en) * | 2018-08-03 | 2021-10-26 | 上海华为技术有限公司 | Clock state detection method and device |
| US11589246B2 (en) * | 2020-12-23 | 2023-02-21 | Industrial Technology Research Institute | Method of managing distributed self-organizing network by surrounding base station information and base station using the same |
| CN114745680A (en) * | 2022-06-10 | 2022-07-12 | 广州世炬网络科技有限公司 | Wireless base station time synchronization method, device, equipment and storage medium |
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- 2023-02-20 WO PCT/CN2023/077241 patent/WO2024021585A1/en unknown
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