CN111278045A - Probe scheduling method, probe scheduling device, probe method, probe device, probe equipment and storage medium - Google Patents
Probe scheduling method, probe scheduling device, probe method, probe device, probe equipment and storage medium Download PDFInfo
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Abstract
The application discloses a probe scheduling method, a probe detecting method, a probe scheduling device, a probe detecting device, equipment and a storage medium, wherein the probe detecting method comprises the steps of receiving data to be detected sent by an available channel; sequentially carrying out lead code detection and leading symbol number detection on the data to be detected and determining the lead codes and the leading symbol numbers in the data to be detected; carrying out frame start delimiter detection on the data to be detected and determining a frame start delimiter in the data to be detected; and performing physical frame header decoding and physical data decoding on the data to be detected according to the preamble, the frame start delimiter and the number of the preamble symbols to obtain first output data and the like. The method and the device can realize channel detection and probe scheduling, and have the advantages of high detection efficiency, reasonable resource allocation, no need of filtering data degree by the MAC layer and the like.
Description
Technical Field
The present application relates to the field of wireless communications, and in particular, to a method, an apparatus, a device, and a storage medium for probe scheduling and probing.
Background
IR-UWB (Impulse-Radio Ultra Wide Band) is gradually widely used due to high positioning accuracy and low power.
When network installation is carried out, the base station of the current UWB probe needs to be reasonably configured according to the surrounding environment so as to avoid interference, however, the current UWB probe has the following problems: the first, the probe detection efficiency is not high, the second, the probe resource allocation is unreasonable, the third, there is data filtration in the existing probe working process, so that the filtered data can not be output to the upper layer.
Disclosure of Invention
The application aims to disclose a probe scheduling method, a probe detecting device and a storage medium, which are used for realizing a channel detecting method and a probe scheduling.
The first aspect of the present application discloses a probe detection method, which includes:
receiving data to be tested sent by an available channel;
sequentially carrying out lead code detection and lead symbol number detection on the data to be detected and determining the data to be detected
The number of lead codes and lead symbols in the data to be detected;
performing frame start delimiter detection on the data to be detected and determining a frame start in the data to be detected
A delimiter;
according to the lead code, the frame start delimiter and the number of the leading symbols, carrying out physical frame header decoding and physical data decoding on the data to be detected to obtain first output data;
performing frame check on the first output data;
and when the first output data frame is successfully verified, analyzing the first output data to obtain second output data and directly reporting the second output data.
In the present application, channel (network) probing can be achieved through the above steps. Furthermore, when the first output data frame is successfully verified, the first output data is directly analyzed without screening and filtering the first output data, so that the second output data obtained by analyzing the first output data can be directly reported, the probe can be prevented from only receiving the data sent to the probe and discarding other data, and the second output data can be simultaneously output in a plurality of PANID networks.
As an optional implementation, performing frame start delimiter detection on the data to be detected and determining a frame start delimiter in the data to be detected includes:
performing correlation calculation on the data to be detected according to the first frame start delimiter to obtain a first correlation coefficient r 1;
performing correlation calculation on the data to be detected according to a second frame start delimiter to obtain a second correlation coefficient r 2;
if r1> r2+ δ, then the frame start delimiter in the data under test is the first frame start delimiter, otherwise, the frame start delimiter in the data under test is the second frame start delimiter, where δ is a constant.
In this optional embodiment, by performing frame start delimiter detection on the data to be detected sent by the channel for two times, the frame start delimiter type of the data to be detected can be identified, and then the data to be detected adopting different frame start delimiter types can be processed.
As an optional implementation, the second output data includes at least one of destination personal area network identifier, source address, destination address, channel number, preamble length, and received signal strength indication.
A second aspect of the present application discloses a probe scheduling method, including:
receiving detection information of a target probe, a detected acquired data amount of at least one preselected probe, and status information of at least one of the preselected probes, wherein the detection information includes a channel number and a preamble detected by the target probe;
judging whether a probe task needs to be executed or not according to the channel number and the lead code;
if the probe task needs to be executed, determining a probe for executing the probe task from at least one pre-selected probe according to the state information and the acquired data volume, and calling the probe for executing the probe task to execute the probe task;
and if the probe task does not need to be executed, calling a probe in an idle state from at least one preset to execute a beacon frame scanning task.
In this application, through at least one preselection probe can constitute probe detection system, and then improve detection efficiency, meanwhile, can realize detecting task scheduling through the status information of monitoring every preselection probe, the data volume of gathering. On the other hand, the target probe in the probe detection system can scan and monitor the channel in real time, so that the lead codes of different channels can be continuously searched under the condition that the probe is not lost, and the available network can be timely found in the moving process of the probe.
As an alternative embodiment, determining from at least one of said preselected probes a probe performing a probe task based on said status information and said collected data volume comprises:
judging whether an idle probe exists in at least one preselected probe according to the state information;
when there is an idle probe in at least one of the preselected probes, selecting one of the idle probes as the probe performing the probe task.
In this alternative embodiment, the probe in the idle state can be selected from a number of preselected probes to perform the probe task.
As an alternative embodiment, determining a probe performing a probe task from at least one of the preselected probes based on the status information and the collected data volume, further comprises:
when no idle probe exists in at least one of the preselected probes, judging whether a probe of the at least one preselected probe executes a scanning task or not according to the state information;
when there is a probe performing a scanning task among at least one of the preselected probes, selecting one of the probes performing the scanning task as the probe performing the probe task, and terminating the scanning task of the probe performing the probe task.
In this alternative embodiment, the probe performing the scanning task can be selected from a plurality of pre-selected probes.
As an alternative embodiment, determining a probe performing a probe task from at least one of the preselected probes based on the status information and the collected data volume, further comprises:
when at least one of the preselected probes does not have a free probe and does not have a probe for performing a scanning task, selecting a probe with the least amount of acquired data from a plurality of the preselected probes as the probe for performing the probe task according to the amount of acquired data.
In this alternative embodiment, the probe task can be performed by selecting the probe with the least amount of data collected from the plurality of pre-selected probes.
In this alternative embodiment, the target probe can continuously perform the scanning task by determining the state of the target probe, so as to continuously discover the available network.
A third aspect of the present application discloses a probe detecting apparatus, the apparatus comprising:
the first receiving module is used for receiving the data to be detected sent by the available channel;
the detection module is used for sequentially carrying out lead code detection and lead symbol number detection on the data to be detected and determining the lead codes and the lead symbol numbers in the data to be detected;
the detection module is further configured to perform frame start delimiter detection on the data to be detected and determine a frame start delimiter in the data to be detected;
the decoding module is used for carrying out physical frame header decoding and physical data decoding on the data to be detected according to the lead code, the frame start delimiter and the number of the lead symbols to obtain first output data;
the checking module is used for carrying out frame checking on the first output data;
and the analysis module is used for analyzing the first output data to obtain second output data and directly reporting the second output data when the first output data frame is successfully verified.
In the present application, the probe detection apparatus can implement channel (network) detection by performing the probe detection method. Furthermore, when the first output data frame is successfully verified, the first output data is directly analyzed without screening and filtering the first output data, so that the second output data obtained by analyzing the first output data can be directly reported, the probe can be prevented from only receiving the data sent to the probe and discarding other data, and the second output data can be simultaneously output in a plurality of PANID networks.
The fourth aspect of the present application discloses a probe scheduling apparatus, the apparatus comprising:
a second receiving module, configured to receive probing information of a target probe, a detected data amount of at least one pre-selected probe, and status information of at least one pre-selected probe, wherein the probing information includes a channel number and a preamble detected by the target probe;
the judging module is used for judging whether a probe task needs to be executed or not according to the channel number and the lead code;
the determining module is used for determining a probe for executing the probe task from at least one preselected probe according to the state information and the acquired data volume when the judging module judges that the probe task needs to be executed;
the first calling module is used for calling the probe executing the probe task to execute the probe task when the determining module determines the probe executing the probe task;
and the second calling module is used for calling one probe in an idle state from at least one preset to execute the beacon frame scanning task when the judging module judges that the probe task does not need to be executed.
In the application, the probe scheduling device can improve the detection efficiency by executing the probe scheduling method, and meanwhile, the probe task scheduling can be realized by monitoring the state information and the collected data volume of each preselected probe. On the other hand, the target probe in the probe detection system can scan and monitor the channel in real time, so that the lead codes of different channels can be continuously searched under the condition that the probe is not lost, and the available network can be timely found in the moving process of the probe.
The fifth aspect of the present application discloses a probe scheduling and detecting apparatus, which includes:
a processor; and
a memory configured to store machine readable instructions which, when executed by the processor, perform the probe probing method disclosed in the first aspect of the application and the probe scheduling method disclosed in the second aspect of the application.
According to the probe scheduling and detecting device, by executing the probe detecting method and the probe scheduling method, channel (network) detection can be achieved on the first aspect, the situation that the probe only receives data sent to the probe and discards other data can be avoided, second output data can be output in a plurality of PANID networks simultaneously, detection efficiency can be improved on the second aspect, and detection task scheduling can be achieved by monitoring state information and data collection quantity of each pre-selected probe. The third aspect aims at realizing real-time scanning and monitoring of channels, and further realizing continuous searching of lead codes of different channels under the condition that the probe is not lost, so that an available network can be found in time in the moving process of the probe.
A sixth aspect of the present application discloses a storage medium storing a computer program for executing the probe probing method disclosed in the first aspect of the present application and the probe scheduling method disclosed in the second aspect of the present application by a processor.
According to the storage medium, by executing the probe detection method and the probe scheduling method, on the first hand, channel (network) detection can be achieved, further the situation that the probe only receives data sent to the probe and discards other data can be avoided, further second output data can be output in a plurality of PANID networks simultaneously, on the second hand, detection efficiency can be improved, and detection task scheduling can be achieved by monitoring state information and data collection amount of each pre-selected probe. The third aspect aims at realizing real-time scanning and monitoring of channels, and further realizing continuous searching of lead codes of different channels under the condition that the probe is not lost, so that an available network can be found in time in the moving process of the probe.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic flow chart illustrating a probe detection method according to an embodiment of the present disclosure;
fig. 2 is a schematic flowchart of a probe scheduling method disclosed in the second embodiment of the present application;
FIG. 3 is a flow chart illustrating a sub-step of step 203 disclosed in the second embodiment of the present application;
fig. 4 is a schematic structural diagram of a probe detection device disclosed in the third embodiment of the present application;
fig. 5 is a schematic structural diagram of a probe scheduling apparatus according to a fourth embodiment of the present application;
fig. 6 is a schematic structural diagram of a probe die cooperative work architecture disclosed in an embodiment of the present application;
fig. 7 is a schematic structural diagram of a probe probing and scheduling apparatus according to the fifth embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Example one
Referring to fig. 1, fig. 1 is a schematic flow chart of a probe detection method according to an embodiment of the present application. As shown in fig. 1, the method comprises the steps of:
101. receiving data to be tested sent by an available channel;
102. sequentially carrying out lead code detection and leading symbol number detection on the data to be detected and determining the lead codes and the leading symbol numbers in the data to be detected;
103. detecting a frame start delimiter of the data to be detected and determining the frame start delimiter in the data to be detected;
104. according to the lead code, the frame start delimiter and the number of the lead symbols, carrying out physical frame header decoding and physical data decoding on the data to be detected to obtain first output data;
105. performing frame check on the first output data;
106. and when the first output data frame is successfully verified, analyzing the first output data to obtain second output data and directly reporting the second output data.
In the embodiment of the present application, channel (network) probing can be realized through the above steps. In particular, the embodiments of the present application can be applied to detecting an UWB (Ultra Wide Band) radio spectrum environment to find an interference source, or to detecting a surrounding environment so as to appropriately configure a base station to avoid interference. Furthermore, when the first output data frame is successfully verified, the first output data is directly analyzed without screening and filtering the first output data, so that the second output data obtained by analyzing the first output data can be directly reported, the probe can be prevented from only receiving the data sent to the probe and discarding other data, and the second output data can be simultaneously output in a plurality of PANID networks.
In this embodiment, optionally, the second output data includes destination PANID (personal area network identifier), source address, destination address, channel number, preamble length, RSSI (Received Signal Strength Indication).
It should be noted that the probe is preferably a UWB probe, wherein, since the access mechanism of the UWB probe is carrier sense collision avoidance, the UWB probe in a preamble configuration can detect both a base station and a tag under the same PANID, and thus, the UWB probe in the embodiment of the present application is a single network probe.
As an alternative embodiment, step 103 comprises the sub-steps of:
performing correlation calculation on the data to be detected according to the first frame start delimiter to obtain a first correlation coefficient r 1;
performing correlation calculation on the data to be detected according to the second frame start delimiter to obtain a second correlation coefficient r 2;
if r1> r2+ δ, the frame start delimiter in the data to be tested is the first frame start delimiter, otherwise, the frame start delimiter in the data to be tested is the second frame start delimiter, where δ is a constant, and δ may be 0.2 as an example.
In this optional embodiment, by performing frame start delimiter detection on the data to be detected sent by the channel for two times, the frame start delimiter type of the data to be detected can be identified, and then the data to be detected adopting different frame start delimiter types can be processed.
In this alternative embodiment, the first frame start delimiter is a length-8 frame start delimiter and the second frame start delimiter is a length-64 frame start delimiter.
Example two
Referring to fig. 2, fig. 2 is a schematic flow chart illustrating a probe scheduling method according to an embodiment of the present disclosure. As shown in fig. 2, the method comprises the steps of:
201. receiving detection information of a target probe, a detected acquired data amount of at least one pre-selected probe, and status information of at least one pre-selected probe, wherein the detection information comprises a channel number and a preamble detected by the target probe;
202. judging whether a probe task needs to be executed or not according to the channel number and the lead code;
203. if the probe task needs to be executed, determining a probe for executing the probe task from at least one pre-selected probe according to the state information and the acquired data volume, and calling the probe for executing the probe task to execute the probe task;
204. and if the probe task does not need to be executed, calling one probe in an idle state from at least one preset to execute a beacon frame scanning task.
In the embodiment of the application, a probe detection system can be formed by at least one preselection probe, so that the detection efficiency is improved, and meanwhile, the detection task scheduling can be realized by monitoring the state information and the collected data volume of each preselection probe. On the other hand, the target probe in the probe detection system can scan and monitor the channel in real time, so that the lead codes of different channels can be continuously searched under the condition that the probe is not lost, and the available network can be timely found in the moving process of the probe.
For example, please refer to fig. 6, fig. 6 is a schematic structural diagram of a probe module cooperative framework disclosed in the embodiment of the present application. As shown in fig. 6, the probe-mode cooperative architecture includes a plurality of probe units (denoted by 1.. n), each probe unit is communicatively connected to a scheduler, and the scheduler is communicatively connected to a real-time scanning and monitoring unit, so that the real-time scanning and monitoring unit can scan a beacon frame in an air interface to obtain a channel number of an available channel and a preamble of the channel, and then the real-time scanning and monitoring unit sends the channel number and the preamble to the scheduler, and on the other hand, the scheduler obtains status information and a data collection amount of each probe unit in real time. It should be noted that the probe unit refers to the UWB probe of the embodiment of the present application.
Referring to fig. 3, fig. 3 is a flow chart illustrating a sub-step of step 203. As an alternative embodiment, as shown in fig. 3, step 203 comprises the sub-steps of:
2031. judging whether an idle probe exists in at least one preselected probe according to the state information;
2032. when there is an idle probe in at least one of the preselected probes, selecting one of the idle probes as the probe performing the probe task.
In this alternative embodiment, the probe in the idle state can be selected from a number of preselected probes to perform the probe task.
As an alternative implementation, as shown in fig. 3, step 203 further includes the sub-steps of:
2033. judging whether a probe of the at least one preselected probe executes a scanning task or not according to the state information when no idle probe exists in the at least one preselected probe;
2034. when the probe for executing the scanning task exists in at least one pre-selected probe, selecting one probe for executing the scanning task as the probe for executing the probe task;
2035. the probe is terminated to perform the scanning task that the probe task is performing.
In this alternative embodiment, the probe performing the scanning task can be selected from a plurality of pre-selected probes.
As an optional implementation, step 203 further includes the sub-steps of:
2036. when the at least one preselected probe does not have a free probe and a probe performing the scanning task does not exist, selecting a probe having the least amount of data collected from the plurality of preselected probes as a probe performing the scanning task according to the amount of data collected.
In this alternative embodiment, the probe task can be performed by selecting the probe with the least amount of data collected from the plurality of pre-selected probes.
EXAMPLE III
Referring to fig. 4, fig. 4 is a schematic structural diagram of a probe detection device disclosed in the embodiment of the present application. As shown in fig. 4, the detecting device includes:
a first receiving module 301, configured to receive data to be detected sent by an available channel;
the detection module 302 is configured to perform preamble detection and preamble symbol number detection on the data to be detected in sequence, and determine the number of preambles and preamble symbols in the data to be detected;
the detection module 302 is further configured to perform frame start delimiter detection on the data to be detected and determine a frame start delimiter in the data to be detected;
the decoding module 303 is configured to perform physical frame header decoding and physical data decoding on the data to be detected according to the preamble, the frame start delimiter and the number of preamble symbols to obtain first output data;
a checking module 304, configured to perform frame checking on the first output data;
the parsing module 305 is configured to, when the first output data frame is successfully verified, parse the first output data to obtain second output data, and directly report the second output data.
In the embodiment of the present application, channel (network) probing can be realized through the above steps. In particular, the embodiments of the present application can be applied to detecting UWB radio spectrum environment to discover an interference source, or to detecting surrounding environment in order to properly configure a base station to avoid interference. Furthermore, when the first output data frame is successfully verified, the first output data is directly analyzed without screening and filtering the first output data, so that the second output data obtained by analyzing the first output data can be directly reported, the probe can be prevented from only receiving the data sent to the probe and discarding other data, and the second output data can be simultaneously output in a plurality of PANID networks.
In this embodiment, optionally, the second output data includes destination PANID (personal area network identifier), source address, destination address, channel number, preamble length, RSSI (Received Signal Strength Indication).
It should be noted that the probe is preferably a UWB probe, wherein, since the access mechanism of the UWB probe is carrier sense collision avoidance, the UWB probe in a preamble configuration can detect both a base station and a tag under the same PANID, and thus, the UWB probe in the embodiment of the present application is a single network probe.
As an alternative embodiment, the specific way for the detection module 302 to perform the frame start delimiter detection on the data to be detected and determine the frame start delimiter in the data to be detected is as follows:
performing correlation calculation on the data to be detected according to the first frame start delimiter to obtain a first correlation coefficient r 1;
performing correlation calculation on the data to be detected according to the second frame start delimiter to obtain a second correlation coefficient r 2;
if r1> r2+ δ, the frame start delimiter in the data to be tested is the first frame start delimiter, otherwise, the frame start delimiter in the data to be tested is the second frame start delimiter, where δ is a constant, and δ may be 0.2 as an example.
In this optional embodiment, by performing frame start delimiter detection on the data to be detected sent by the channel for two times, the frame start delimiter type of the data to be detected can be identified, and then the data to be detected adopting different frame start delimiter types can be processed.
In this alternative embodiment, the first frame start delimiter is a length-8 frame start delimiter and the second frame start delimiter is a length-64 frame start delimiter.
Example four
Referring to fig. 5, fig. 5 is a schematic structural diagram of a probe scheduling apparatus according to an embodiment of the present disclosure. As shown in fig. 5, the detecting device includes:
a second receiving module 401, configured to receive probing information of a target probe, a detected data amount of at least one pre-selected probe, and status information of at least one pre-selected probe, wherein the probing information includes a channel number detected by the target probe and a preamble;
a judging module 402, configured to judge whether a probe task needs to be executed according to the channel number and the preamble;
a determining module 403, configured to determine, when the determining module determines that the probe task needs to be executed, a probe for executing the probe task from at least one pre-selected probe according to the state information and the collected data amount;
a first calling module 404, configured to call a probe executing the probe task to execute the probe task when the determining module determines that the probe executing the probe task is executed;
and a second invoking module 405, configured to invoke a probe in an idle state from at least one preset to execute a beacon frame scanning task when the determining module determines that the probe task is not required to be executed.
In the embodiment of the application, the probe scheduling device can improve the detection efficiency by executing the probe scheduling method, and meanwhile, the probe task scheduling can be realized by monitoring the state information and the acquired data volume of each preselected probe. On the other hand, the target probe in the probe detection system can scan and monitor the channel in real time, so that the lead codes of different channels can be continuously searched under the condition that the probe is not lost, and the available network can be timely found in the moving process of the probe.
For example, please refer to fig. 6, fig. 6 is a schematic structural diagram of a probe module cooperative framework disclosed in the embodiment of the present application. As shown in fig. 6, the probe-mode cooperative architecture includes a plurality of probe units (denoted by 1.. n), each probe unit is communicatively connected to a scheduler, and the scheduler is communicatively connected to a real-time scanning and monitoring unit, so that the real-time scanning and monitoring unit can scan a beacon frame in an air interface to obtain a channel number of an available channel and a preamble of the channel, and then the real-time scanning and monitoring unit sends the channel number and the preamble to the scheduler, and on the other hand, the scheduler obtains status information and a data collection amount of each probe unit in real time. It should be noted that the probe unit refers to the UWB probe of the embodiment of the present application.
As an alternative embodiment, the specific way in which the determining module 403 determines the probe performing the probe task from at least one pre-selected probe according to the status information and the collected data amount is:
judging whether an idle probe exists in at least one preselected probe according to the state information;
when there is an idle probe in at least one of the preselected probes, selecting one of the idle probes as the probe performing the probe task.
In this alternative embodiment, the probe in the idle state can be selected from a number of preselected probes to perform the probe task.
As an alternative embodiment, the specific way in which the determining module 403 determines the probe performing the probe task from at least one pre-selected probe according to the status information and the collected data amount is:
judging whether a probe of the at least one preselected probe executes a scanning task or not according to the state information when no idle probe exists in the at least one preselected probe;
when the probe for executing the scanning task exists in at least one pre-selected probe, selecting one probe for executing the scanning task as the probe for executing the probe task;
the probe is terminated to perform the scanning task that the probe task is performing.
In this alternative embodiment, the probe performing the scanning task can be selected from a plurality of pre-selected probes.
As an alternative embodiment, the specific way in which the determining module 403 determines the probe performing the probe task from at least one pre-selected probe according to the status information and the collected data amount is:
when the at least one preselected probe does not have a free probe and a probe performing the scanning task does not exist, selecting a probe having the least amount of data collected from the plurality of preselected probes as a probe performing the scanning task according to the amount of data collected.
In this alternative embodiment, the probe task can be performed by selecting the probe with the least amount of data collected from the plurality of pre-selected probes.
EXAMPLE five
Referring to fig. 7, fig. 7 is a schematic structural diagram of a probe scheduling and probing apparatus according to an embodiment of the present disclosure. As shown in fig. 7, the apparatus includes:
a processor 502; and
the memory 501 is configured to store machine readable instructions, and when the instructions are executed by the processor 502, the processor 502 executes the probe probing method disclosed in the first embodiment of the present application and the probe scheduling method disclosed in the second embodiment of the present application.
By executing the probe detection method and the probe scheduling method, the probe scheduling and detecting device can realize channel (network) detection on the first aspect, further avoid the situation that the probe only receives data sent to the probe and discards other data, further simultaneously output second output data in a plurality of PANID networks, improve detection efficiency on the second aspect, and realize detection task scheduling by monitoring state information and data collection quantity of each preselected probe. The third aspect aims at realizing real-time scanning and monitoring of channels, and further realizing continuous searching of lead codes of different channels under the condition that the probe is not lost, so that an available network can be found in time in the moving process of the probe.
EXAMPLE six
The embodiment of the application discloses a storage medium, wherein a computer program is stored in the storage medium, and the computer program is executed by a processor to execute the probe detection method disclosed by the first embodiment of the application and the probe scheduling method disclosed by the second embodiment of the application.
The storage medium of the embodiment of the application can realize channel (network) detection by executing the probe detection method and the probe scheduling method, and further can prevent the probe from only receiving data sent to the probe and discarding other data, and further can simultaneously output second output data in a plurality of PANID networks. The third aspect aims at realizing real-time scanning and monitoring of channels, and further realizing continuous searching of lead codes of different channels under the condition that the probe is not lost, so that an available network can be found in time in the moving process of the probe.
In the embodiments disclosed in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a positioning base station, or a network device) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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, by statement
The recitation of "comprising an … …" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the recited elements.
Claims (11)
1. A probe detection method, comprising:
receiving data to be tested sent by an available channel;
sequentially carrying out lead code detection and leading symbol number detection on the data to be detected and determining the lead codes and the leading symbol numbers in the data to be detected;
carrying out frame start delimiter detection on the data to be detected and determining a frame start delimiter in the data to be detected;
according to the lead code, the frame start delimiter and the number of the leading symbols, carrying out physical frame header decoding and physical data decoding on the data to be detected to obtain first output data;
performing frame check on the first output data;
and when the first output data frame is successfully verified, analyzing the first output data to obtain second output data and directly reporting the second output data.
2. The method of claim 1, wherein performing frame start delimiter detection on the data under test and determining frame start delimiters in the data under test comprises:
performing correlation calculation on the data to be detected according to the first frame start delimiter to obtain a first correlation coefficient r 1;
performing correlation calculation on the data to be detected according to a second frame start delimiter to obtain a second correlation coefficient r 2;
if r1> r2+ δ, then the frame start delimiter in the data under test is the first frame start delimiter, otherwise, the frame start delimiter in the data under test is the second frame start delimiter, where δ is a constant.
3. A method according to any of claims 1-2, wherein the second output data comprises at least one of a destination personal area network identifier, a source address, a destination address, a channel number, a preamble length, a received signal strength indication.
4. A method for scheduling probes, the method comprising:
receiving detection information of a target probe, a detected acquired data amount of at least one preselected probe, and status information of at least one of the preselected probes, wherein the detection information includes a channel number and a preamble detected by the target probe;
judging whether a probe task needs to be executed or not according to the channel number and the lead code;
if the probe task needs to be executed, determining a probe for executing the probe task from at least one pre-selected probe according to the state information and the acquired data volume, and calling the probe for executing the probe task to execute the probe task;
and if the probe task does not need to be executed, calling a probe in an idle state from at least one preset to execute a beacon frame scanning task.
5. The method of claim 4, wherein determining from at least one of said preselected probes a probe to perform a probe task based on said status information and said collected data volume comprises:
judging whether an idle probe exists in at least one preselected probe according to the state information;
when there is an idle probe in at least one of the preselected probes, selecting one of the idle probes as the probe performing the probe task.
6. The method of claim 5, wherein determining from at least one of said preselected probes a probe to perform a probe task based on said status information and said collected data volume, further comprises:
when no idle probe exists in at least one of the preselected probes, judging whether a probe of the at least one preselected probe executes a scanning task or not according to the state information;
when there is a probe performing a scanning task among at least one of the preselected probes, selecting one of the probes performing the scanning task as the probe performing the probe task, and terminating the scanning task of the probe performing the probe task.
7. The method of claim 6, wherein determining from at least one of said preselected probes a probe to perform a probe task based on said status information and said collected data volume, further comprises:
when at least one of the pre-selected probes does not have a probe for performing a scanning task, selecting a probe with the least amount of acquired data from a plurality of the pre-selected probes as the probe for performing the probe task according to the amount of acquired data.
8. A probe detection apparatus, characterized in that the apparatus comprises:
the first receiving module is used for receiving the data to be detected sent by the available channel;
the detection module is used for sequentially carrying out lead code detection and lead symbol number detection on the data to be detected and determining the lead codes and the lead symbol numbers in the data to be detected;
the detection module is further configured to perform frame start delimiter detection on the data to be detected and determine a frame start delimiter in the data to be detected;
the decoding module is used for carrying out physical frame header decoding and physical data decoding on the data to be detected according to the lead code, the frame start delimiter and the number of the lead symbols to obtain first output data;
the checking module is used for carrying out frame checking on the first output data;
and the analysis module is used for analyzing the first output data and obtaining second output data when the first output data frame is successfully verified.
9. An apparatus for scheduling probes, the apparatus comprising:
a second receiving module, configured to receive probing information of a target probe, a detected data amount of at least one pre-selected probe, and status information of at least one pre-selected probe, wherein the probing information includes a channel number and a preamble detected by the target probe;
the judging module is used for judging whether a probe task needs to be executed or not according to the channel number and the lead code;
the determining module is used for determining a probe for executing the probe task from at least one preselected probe according to the state information and the acquired data volume when the judging module judges that the probe task needs to be executed;
the first calling module is used for calling the probe executing the probe task to execute the probe task when the determining module determines the probe executing the probe task;
and the second calling module is used for calling one probe in an idle state from at least one preset to execute the beacon frame scanning task when the judging module judges that the probe task does not need to be executed.
10. A probe scheduling and probing apparatus, said apparatus comprising:
a processor; and
a memory configured to store machine readable instructions which, when executed by the processor, perform the probe probing method of any one of claims 1 to 3 and the probe scheduling method of any one of claims 4 to 7.
11. A storage medium storing a computer program which, when executed by a processor, performs the probe detection method according to any one of claims 1 to 3 and the probe scheduling method according to any one of claims 4 to 7.
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