CN104125573B - The method and apparatus that working condition to dynamic frequency selection DFS is detected - Google Patents
The method and apparatus that working condition to dynamic frequency selection DFS is detected Download PDFInfo
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Abstract
The invention discloses a kind of method and apparatus detected to dynamic frequency selection DFS, its main contents includes：Whether the access point AP carried in the reporting message that base station is sent according to the terminal received sends the object information of silent signaling, determine whether the DFS working conditions of the AP are normal, on the one hand, it is that the AP does not send silent signaling in the object information received, it is determined that the DFS working conditions of the AP are abnormal；On the other hand, it is that the AP sends silent signaling in the object information received, then by itself judging to determine whether the DFS working conditions of the AP are normal, DFS working conditions that so can be in real time to AP are monitored, and when it is determined that AP DFS working conditions occur abnormal, send alarm information in time, the problem of being interfered between authorized user's data and unauthorized user data when AP DFS working conditions occur abnormal in 5GHz frequency ranges is effectively prevent, AP operating efficiency is improved.
Description
Technical field
Examined the present invention relates to wireless communication field, more particularly to a kind of working condition to dynamic frequency selection DFS
The method and apparatus of survey.
Background technology
In the field of communications, the content of 802.11 agreements is the agreement on data access, is generally made in a communication network
With.During use, with the appearance of 802.11n protocol family commercialization, and Wi-Fi network is added in 5GHz frequency ranges
Use so that DFS（Dynamic Frequency Selection, dynamic frequency selection）Function enters regarding for WLAN user
It is wild.
Specifically, in view of 802.11n protocol families are IEEE standards in the air, FCC exists
Wi-Fi equipment is have approved in 802.11a network standards and uses UNII-2 frequency ranges（That is 5.25GHz~5.35GHz frequency ranges, and
Channel in 5.47GHz~5.725GHz frequency ranges）License, still, simultaneously because to be additionally operable to military equipment gentle for these frequency ranges
As radar, therefore for that must possess this following condition using UNII-2 frequency ranges：The product operated in UNII-2 frequency ranges
The certification for the FCC for supporting DFS technologies must be obtained.
So-called DFS technologies are exactly to be used for detecting whether there is radar data in UNII-2 channels（Or military data）, such as
There is radar data in fruit, non-radar data present in the UNII-2 channels detected is transferred into other channels, is radar number
According to transmission removing obstacles.
In actual applications, so-called DFS technologies are applied in existing communication system, so-called DFS technologies are exactly to use
It whether there is authorized user's data in UNII-2 channels to detect, if there is authorized user's data, by the UNII-2 detected
Other unauthorized user data present in channel are transferred to other channels, are the transmission removing obstacles of authorized user's data.
As can be seen here, DFS technologies can realize that WLAN, in the channel equalization using 5GHz frequency ranges, meets authorized user and used
Network throughput, still, if the detection of DFS technologies does not have normally-open or malfunction, it will 5GHz frequency ranges occur
Interfering between interior authorized user's data and unauthorized user data.
Applicant is had found under study for action, in existing 802.11 agreement, and only the mechanism and process to DFS technologies are carried out
Regulation, but without detection and supervision mechanism accordingly, whether so will appear to the DFS technologies in wlan network in normal
Working condition can not be judged, cause to exist and occur authorized user's data in 5GHz frequency ranges when DFS dysfunctions and non-
Between authorized user's data the problem of interfering.
The content of the invention
A kind of detected the embodiments of the invention provide working condition to dynamic frequency selection DFS method and set
It is standby, for solving to occur due to working as DFS functions caused by can not judging the working condition of the DFS functions in wlan network
There is the problem of interfering between authorized user's data and unauthorized user data when abnormal in 5GHz frequency ranges.
A kind of method that working condition to dynamic frequency selection DFS is detected, including：
The reporting message that receiving terminal is sent, wherein, carry whether access point AP sends silence in the reporting message
The object information of signaling；
According to the object information carried in the reporting message received, determine the AP DFS working conditions whether
Normally.
A kind of method that working condition to dynamic frequency selection DFS is detected, including：
When terminal is communicated with access point AP, detection receives the temporal information for the silent signaling that the AP is sent；
What temporal information and a preceding terminal for storage according to detecting were detected receives the silence that the AP is sent
The temporal information of signaling, determines whether the DFS working conditions of the AP are normal；
And be sent to the whether normal object information carrying of the AP of determination DFS working conditions in reporting message
Base station.
The equipment that a kind of working condition to dynamic frequency selection DFS is detected, including：
Receiving module, the reporting message sent for receiving terminal, wherein, access point AP is carried in the reporting message
Whether the object information of silent signaling is sent；
Detection module, for according to the object information carried in the reporting message received, determining the DFS of the AP
Whether working condition is normal.
A kind of terminal device, including：
Measurement module, during for being communicated with access point AP, detection receive the silent signaling that the AP is sent when
Between information；
What a preceding terminal for determining module, the temporal information detected for basis and storage was detected receives described
The temporal information for the silent signaling that AP is sent, determines whether the DFS working conditions of the AP are normal；
Sending module, is reported for the whether normal object information of the AP of determination DFS working conditions to be carried
Base station is sent in message.
The present invention has the beneficial effect that：
Whether the access point AP carried in the reporting message that base station of the embodiment of the present invention is sent according to the terminal received sends out
The object information of silent signaling is sent, determines whether the DFS working conditions of the AP are normal, on the one hand, in the result letter received
Breath is that the AP does not send silent signaling, it is determined that the DFS working conditions of the AP are abnormal；On the other hand, receiving
Object information is that the AP sends silent signaling, then by itself judging to determine whether the DFS working conditions of the AP are normal, this
Sample can be in real time to AP DFS working conditions be monitored, and when it is determined that AP DFS working conditions occur abnormal, hair in time
Go out alarm information, effectively prevent authorized user's data when AP DFS working conditions occur abnormal in 5GHz frequency ranges and non-
The problem of being interfered between authorized user's data, improves AP operating efficiency.
Brief description of the drawings
The method that Fig. 1 is detected for a kind of working condition to dynamic frequency selection DFS of the embodiment of the present invention one
Flow chart；
The method that Fig. 2 is detected for a kind of working condition to dynamic frequency selection DFS of the embodiment of the present invention two
Flow chart；
The method that Fig. 3 is detected for a kind of working condition to dynamic frequency selection DFS of the embodiment of the present invention three
Flow chart；
The equipment that Fig. 4 is detected for a kind of working condition to dynamic frequency selection DFS of the embodiment of the present invention four
Structural representation；
Fig. 5 is a kind of structural representation of terminal device of the embodiment of the present invention five；
The system that Fig. 6 is detected for a kind of working condition to dynamic frequency selection DFS of the embodiment of the present invention six
Structural representation.
Embodiment
In order to realize the purpose of the present invention, the embodiments of the invention provide a kind of work shape to dynamic frequency selection DFS
Whether the access point AP carried in the method and apparatus that state is detected, the reporting message that base station is sent according to the terminal received
The object information of silent signaling is sent, determines whether the DFS working conditions of the AP are normal, on the one hand, in the result received
Information is that the AP does not send silent signaling, it is determined that the DFS working conditions of the AP are abnormal；On the other hand, receiving
Object information be that the AP sends silent signaling, then by itself judging to determine whether the DFS working conditions of the AP normal,
DFS working conditions that so can be in real time to AP are monitored, and when it is determined that AP DFS working conditions occur abnormal, in time
Send alarm information, effectively prevent authorized user's data when AP DFS working conditions occur abnormal in 5GHz frequency ranges and
The problem of being interfered between unauthorized user data, improves AP operating efficiency.
Each embodiment of the present invention is described in detail with reference to Figure of description.
Embodiment one：
As shown in figure 1, being detected for a kind of working condition to dynamic frequency selection DFS of the embodiment of the present invention one
The flow chart of method.Methods described also includes：
Step 101：The reporting message that receiving terminal is sent.
Wherein, the object information whether access point AP sends silent signaling is carried in the reporting message.
Specifically, in a step 101, because the access point AP of wlan network has a cycle detection DFS function, and
Before each detection cycle arrives, the AP issues silent signaling to the terminal for accessing the AP, wherein, in the silent signaling
The temporal information and silent duration information of silent starting are contained, when the terminal is receiving the silent letter that the AP is sent
After order, when the temporal information of the silent starting included in the silent signaling is reached, the terminal open with the AP it
Between communication silence（I.e. pause is communicated with the AP）, and cause silent time span with being included in the silent signaling
Silent duration information it is identical.
It should be noted that when the terminal keeps communication silence between the AP, can be carried out with base station
Communication.
When being communicated between the terminal and the base station, the terminal can report the AP's to the base station
Status information, wherein, the status information of the AP includes but is not limited to whether the AP sends object information of silent signaling etc..
Specifically, the communication mode between the terminal and the base station includes but is not limited to following several：
First way：Base station is pre-configured with the report cycle information of terminal reporting message.
Terminal sends whether contain access point AP when the report cycle for the reporting message being pre-configured with arrives to base station
Send the object information of silent signaling.
Wherein, AP identification information is further comprises in the reporting message.
Base station is carried out when receiving the reporting message of terminal transmission to the content carried in the reporting message that receives
Identification.
Wherein, the report cycle information of the terminal reporting message being pre-configured with can be regular time point information
（For example：1:00、2:00 etc.）Or fixed time interval（For example：Every five minutes, every 3 minutes etc.）, do not limit here
It is fixed.
The second way：Reported when receiving the query messages of base station.
Terminal sends to base station when receiving the message of inquiry AP information of base station and contains whether access point AP sends
The reporting message of the object information of silent signaling.
Wherein, AP identification information is contained in the reporting message.
The content carried in the reporting message that receives is known when receiving the reporting message of terminal transmission base station
Not.
The third mode：Terminal actively sends reporting message to base station.
Terminal will actively receive the silence of access point AP transmissions after the silent signaling of access point AP transmissions is received
The object information of signaling carries and base station is sent in reporting message.
Step 102：According to the object information carried in the reporting message received, the DFS work of the AP is determined
Whether state is normal.
Specifically, in a step 102, because the object information carried in the reporting message that receives substantially includes two
Kind：The first object information is：The AP does not send silent signaling；Second of object information be：The AP sends silent letter
Order and terminal receive the temporal information of the silent signaling.
For the first object information received, following operate is performed：
When the object information received is that the AP does not send silent signaling, it is determined that the DFS working conditions of the AP
It is abnormal.
For second of the object information received, following operate is performed：
First, according to the temporal information carried in the reporting message received, the temporal information of the carrying is calculated
The time difference between the temporal information for the silent signaling that the AP is sent is received with a preceding terminal for storage.
Specifically, during the temporal information carried in the reporting message received, a preceding terminal for storage is searched
Receive the temporal information for the silent signaling that the AP is sent, and the temporal information that will be carried in the reporting message received
Carry out making difference operation with the temporal information that finds, obtain the difference of computing.
Secondly, the time difference and the very first time condition of setting are compared.
Wherein, the very first time condition of the setting is front and rear receives twice between the time that the AP sends silent signaling
Every the DFS detection cycles not less than the AP integral multiple and be not more than setting time span threshold value.
Specifically, the integral multiple of time difference calculating obtained respectively with the DFS detection cycles of the AP（Or
The DFS detection cycles of the AP）, setting time span threshold value be compared.
That is, the DFS detection cycles for calculating the obtained time difference and the AP are compared respectively, and will meter
The obtained time difference is compared with the time span threshold value set.
Wherein, the DFS detection cycles of the AP refer to the AP adjacent times for performing DFS detections twice that wlan network is set
Gap length value.
3rd, when the time difference meets the very first time condition of setting, determining the DFS working conditions of the AP just
Often.
Specifically, when the time difference is not less than the integral multiple of the DFS detection cycles of the AP and is not more than setting
During time span threshold value, determine that the time difference meets the very first time condition of setting, and then determine the DFS works of the AP
Make state normal.
It should be noted that the minimum value of the integral multiple of the DFS detection cycles of the AP is 1.
4th, when the time difference does not meet the very first time condition of setting, determine the DFS working conditions of the AP
It is abnormal.
Specifically, when the time difference be less than the AP DFS detection cycles integral multiple and/or more than setting when
Between length threshold value when, determine that the time difference does not meet the very first time condition of setting, and then determine the DFS works of the AP
Make abnormal state.
So it is possible to prevente effectively from after the reporting message for receiving terminal transmission for a long time, causing to determine AP's in time
DFS working conditions；And the reporting message of terminal transmission is received in the short period, message transmission delay occur causes to judge essence
Degree reduction, influences the detection to AP DFS working conditions.
Step 103：It is determined that the AP DFS working condition exception after, to core net send alarm information.
Wherein, the identification information of the AP is carried in the alarm information, the identification information of the AP was carried at end
Hold in the reporting message sent.
Specifically, in step 103, due to once it is determined that the DFS of AP working condition is abnormal, it is impossible to avoid general
Occur that the authorized user in access wlan network exists with unauthorized user during processing business to interfere, therefore, need
Alarm information is sent to core net, be seen by the network optimization or network maintenance staff in OSS systems after the warning information,
Corresponding measure is taken, for example, closes the AP, or repair DFS functions of the AP etc., it is to avoid the mandate in access wlan network is used
Family exists with unauthorized user during processing business to be interfered.
By the scheme of the embodiment of the present invention one, what is carried in the reporting message that base station is sent according to the terminal received connects
Whether access point AP sends the object information of silent signaling, determines whether the DFS working conditions of the AP are normal, on the one hand, connecing
The object information received is that the AP does not send silent signaling, it is determined that the DFS working conditions of the AP are abnormal；The opposing party
Face, is that the AP sends silent signaling in the object information received, then the DFS work shapes of the AP is determined by itself judgement
Whether state is normal, and DFS working conditions that so can be in real time to AP are monitored, and it is determined that AP DFS working conditions occur
When abnormal, alarm information is sent in time, effectively prevent the mandate in 5GHz frequency ranges when AP DFS working conditions occur abnormal
The problem of being interfered between user data and unauthorized user data, improves AP operating efficiency.
Embodiment two：
As shown in Fig. 2 being detected for a kind of working condition to dynamic frequency selection DFS of the embodiment of the present invention two
The flow chart of method.The embodiment of the present invention two is the scheme under same inventive concept, methods described with the embodiment of the present invention one
Including：
Step 201：When terminal is communicated with access point AP, detection receives the time for the silent signaling that the AP is sent
Information.
Specifically, in step 201, because the AP in wlan network has cycle detection AP DFS working condition
Ability, therefore, terminal access the AP after, the information of AP cycle detections DFS working condition, the i.e. AP can be obtained
The relevant information of the silent signalings of DFS is sent, for example：Silent initial time（Detect DFS preceding N seconds etc. of working condition, N is
Integer）, silent time span etc..
Therefore, terminal with access point AP when being communicated, and when receiving the silent signaling that the AP is sent, detection connects
The temporal information for the silent signaling that the AP is sent is received, so according to the temporal information for receiving silent signaling detected,
Effectively judge AP DFS working conditions.
Step 202：What temporal information and a preceding terminal for storage according to detecting were detected receives the AP hairs
The temporal information for the silent signaling sent, determines whether the DFS working conditions of the AP are normal.
Specifically, in step 202., after the silent signaling that the AP is sent is received, DFS of the terminal itself to AP
Working condition is judged, performs following operate：
First, what the temporal information and a preceding terminal for storage that calculating is detected were detected receives what the AP was sent
Time difference between the temporal information of silent signaling.
Specifically, in the obtained temporal information of detection, search storage it is preceding once detect receive the AP
The temporal information of the silent signaling of transmission, and the temporal information and the temporal information found are carried out making difference operation, obtain
The difference of computing.
Secondly, second time conditions of the obtained time difference with setting will be calculated to be compared.
Wherein, the second time conditions of the setting refer to：The front and rear silent signaling for receiving the AP transmissions twice
Time interval is not more than default AP DFS detection cycles.
The time interval for the silent signaling that the AP is sent and default AP DFS are received before and after either twice
The business of detection cycle is not more than N, wherein, N is the numerical value of setting.
Wherein, the DFS detection cycles of the AP refer to the AP adjacent times for performing DFS detections twice that wlan network is set
Gap length value.
Specifically, the DFS detection cycles for calculating the obtained time difference and the AP are compared.
That is, difference computing obtained and the DFS detection cycles of the AP are compared.
3rd, when comparative result is that the time difference that calculating is obtained meets the second time conditions of setting, it is determined that
The DFS of AP working condition is normal；When comparative result is that the time difference that calculating is obtained does not meet the second of setting
During time conditions, determine that the DFS of AP working condition is abnormal.
Specifically, when comparative result is that the time difference that calculating is obtained is not more than the DFS detection cycles of the AP,
It is determined that calculating the second time conditions that the obtained time difference meets setting, and then determine the DFS of AP work shape
State is normal；
When comparative result is that the time difference that calculating is obtained is more than the DFS detection cycles of the AP, it is determined that calculating
The obtained time difference does not meet the second time conditions of setting, and then determines that the DFS of AP working condition is abnormal.
So it is possible to prevente effectively from sending silent signaling after receiving AP for a long time to terminal, and AP is not received to end
End sends silent signaling, influences the detection to AP DFS working conditions.
Step 203：The whether normal object information of the AP of determination DFS working conditions is carried in reporting message
It is sent to base station.
Specifically, terminal to base station send reporting message when, directly by the AP of determination DFS working conditions whether
Normal object information is carried to be sent in reporting message.
Here terminal includes but is not limited to the mode of base station reporting message：First way, according to base station configure it is upper
Report cycle, periodic report message；The second way, terminal is reported when receiving the query messages of base station transmission.
Step 204：Indicate base station it is determined that the AP of the determination carried in the reporting message received DFS works
When making work abnormal state, the alarm information for the identification information for containing the AP is sent to core-network side.
Wherein, the identification information of the AP is carried in the reporting message of transmission.
Specifically, in step 204, indicate base station it is determined that the AP received DFS work state information is
When abnormal, alarm information is sent to core-network side, because once it is determined that the DFS of AP working condition is abnormal, it is impossible to avoid
Authorized user and the unauthorized user that will occur in access wlan network during processing business in the presence of interfering, because
This in OSS systems by the network optimization or network maintenance staff, it is necessary to core net transmission alarm information, see that the alarm is believed
After breath, corresponding measure is taken, for example, closes the AP, or repair DFS functions of the AP etc., it is to avoid awarding in access wlan network
Power user exists with unauthorized user during processing business to be interfered.
By the scheme of the embodiment of the present invention two, terminal is receiving AP transmissions during being communicated with AP
After silent signaling, terminal itself is detected to AP DFS working conditions, and the result after detection is carried in reporting message
In be sent to base station, this not only reduces the workload of base station, additionally it is possible to so that base station obtains AP DFS working conditions in real time
Information, and when it is determined that AP DFS working conditions occur abnormal, alarm information is sent in time, the DFS works in AP are effectively prevent
That makees to occur between authorized user's data and unauthorized user data when state occurs abnormal in 5GHz frequency ranges to interfere asks
Topic, improves AP operating efficiency.
Embodiment three：
As shown in figure 3, being detected for a kind of working condition to dynamic frequency selection DFS of the embodiment of the present invention three
The flow chart of method, the embodiment of the present invention three be with the embodiment of the present invention one and the embodiment of the present invention two under same inventive concept
Specific embodiment, methods described includes：
Step 301：When terminal is communicated with access point AP, the silent signaling that the AP is sent is received.
Step 302：Terminal sends reporting message to base station.
Specifically, in step 302, terminal sends in reporting message to base station and included but is not limited to comprising the AP information
Two kinds：
The first is：Have been received by the silent signaling of AP transmissions；
It is for second：AP DFS work state information.
Specifically, terminal can select both the above information to base after the silent signaling that the AP is sent is received
Stand reporting message, and the mode of reporting message includes but is not limited to following three kinds：First way, real-time report；Second
Mode, periodic report；The third mode, is reported when receiving the query messages of base station.
More preferably, terminal is after the silent signaling that the AP is sent is received, first the work shape to the DFS of the AP
State is detected：
First, detection receives the temporal information for the silent signaling that the AP is sent.
Secondly, receive what the AP was sent according to what the temporal information and preceding a terminal for storage that detect were detected
The temporal information of silent signaling, determines whether the DFS working conditions of the AP are normal.
Specifically, after the silent signaling that the AP is sent is received, terminal itself is carried out to AP DFS working conditions
Judge, perform following operate：
First, what the temporal information and a preceding terminal for storage that calculating is detected were detected receives what the AP was sent
Time difference between the temporal information of silent signaling.
Specifically, in the obtained temporal information of detection, search storage it is preceding once detect receive the AP
The temporal information of the silent signaling of transmission, and the temporal information and the temporal information found are carried out making difference operation, obtain
The difference of computing.
Second, second time conditions of the obtained time difference with setting will be calculated and be compared.
Wherein, the second time conditions of the setting refer to：The front and rear silent signaling for receiving the AP transmissions twice
Time interval is not more than default AP DFS detection cycles.
The time interval for the silent signaling that the AP is sent and default AP DFS are received before and after either twice
The business of detection cycle is not more than N, wherein, N is the numerical value of setting.
Wherein, the DFS detection cycles of the AP refer to the AP adjacent times for performing DFS detections twice that wlan network is set
Gap length value.
Specifically, the DFS detection cycles for calculating the obtained time difference and the AP are compared.
That is, difference computing obtained and the DFS detection cycles of the AP are compared.
3rd, when comparative result is that the time difference that calculating is obtained meets the second time conditions of setting, it is determined that
The DFS of AP working condition is normal；When comparative result is that the time difference that calculating is obtained does not meet the second of setting
During time conditions, determine that the DFS of AP working condition is abnormal.
Specifically, when comparative result is that the time difference that calculating is obtained is not more than the DFS detection cycles of the AP,
It is determined that calculating the second time conditions that the obtained time difference meets setting, and then determine the DFS of AP work shape
State is normal；
When comparative result is that the time difference that calculating is obtained is more than the DFS detection cycles of the AP, it is determined that calculating
The obtained time difference does not meet the second time conditions of setting, and then determines that the DFS of AP working condition is abnormal.
Step 303：Base station sends the AP information included in reporting message to the terminal received and is identified, if should
AP information is the DFS work state informations of the AP, then performs step 304；Otherwise, step 305 is performed.
Step 304：Base station is when it is determined that the AP received DFS work state information is exception, to core net
Side sends alarm information.
Step 305：Base station itself judged AP DFS working condition, and it is determined that the DFS of AP work
When status information is exception, alarm information is sent to core-network side.
Specifically, in step 305, base station itself is judged AP DFS working condition, is specifically included：
First, it is determined that the object information carried in the reporting message that the terminal received is sent.
Wherein, the object information is that the AP sends silent signaling and terminal receives the time letter of the silent signaling
Breath.
Second, according to the temporal information carried in the reporting message received, calculate the temporal information of the carrying
The time difference between the temporal information for the silent signaling that the AP is sent is received with a preceding terminal for storage.
Specifically, during the temporal information carried in the reporting message received, a preceding terminal for storage is searched
Receive the temporal information for the silent signaling that the AP is sent, and the temporal information that will be carried in the reporting message received
Carry out making difference operation with the temporal information that finds, obtain the difference of computing.
Secondly, the time difference and the very first time condition of setting are compared.
Wherein, the very first time condition of the setting is front and rear receives twice between the time that the AP sends silent signaling
Every the DFS detection cycles not less than the AP integral multiple and be not more than setting time span threshold value.
Specifically, the integral multiple of time difference calculating obtained respectively with the DFS detection cycles of the AP（Or
The DFS detection cycles of the AP）, setting time span threshold value be compared.
That is, the DFS detection cycles for calculating the obtained time difference and the AP are compared respectively, and will meter
The obtained time difference is compared with the time span threshold value set.
Wherein, the DFS detection cycles of the AP refer to the AP adjacent times for performing DFS detections twice that wlan network is set
Gap length value.
3rd, when the time difference meets the very first time condition of setting, determining the DFS working conditions of the AP just
Often.
Specifically, when the time difference is not less than the integral multiple of the DFS detection cycles of the AP and is not more than setting
During time span threshold value, determine that the time difference meets the very first time condition of setting, and then determine the DFS works of the AP
Make state normal.
It should be noted that the minimum value of the integral multiple of the DFS detection cycles of the AP is 1.
4th, when the time difference does not meet the very first time condition of setting, determine the DFS working conditions of the AP
It is abnormal.
Specifically, when the time difference be less than the AP DFS detection cycles integral multiple and/or more than setting when
Between length threshold value when, determine that the time difference does not meet the very first time condition of setting, and then determine the DFS works of the AP
Make abnormal state.
Example IV：
As shown in figure 4, being detected for a kind of working condition to dynamic frequency selection DFS of the embodiment of the present invention four
The structural representation of equipment, the equipment includes：Receiving module 11 and detection module 12, wherein：
Receiving module 11, the reporting message sent for receiving terminal, wherein, carry access point in the reporting message
Whether AP sends the object information of silent signaling；
Detection module 12, for according to the object information carried in the reporting message received, determining the AP's
Whether DFS working conditions are normal.
Specifically, the result object information carried in the reporting message is that the AP does not send silent signaling；
The detection module 12, specifically for being that the AP does not send silent signaling when the object information received, then
Determine that the DFS working conditions of the AP are abnormal.
Specifically, the object information carried in the reporting message is that the AP sends silent signaling and terminal receives institute
State the temporal information of silent signaling；
The detection module 12, specifically for according to the temporal information carried in the reporting message received, calculating
The temporal information of the carrying and a preceding terminal for storage are received between the temporal information for the silent signaling that the AP is sent
Time difference, and by the time difference and setting very first time condition be compared；
When the time difference meets the very first time condition of setting, determine that the DFS working conditions of the AP are normal；When
When the time difference does not meet the very first time condition of setting, determine that the DFS working conditions of the AP are abnormal.
Specifically, the very first time condition of the setting is the front and rear time for receiving the silent signaling of AP transmissions twice
The integral multiple of DFS detection cycle of the interval not less than the AP and the time span threshold value for being not more than setting.
Specifically, the detection module 12, the DFS detection cycles specifically for being not less than the AP when the time difference
Integral multiple and when being not more than the time span threshold value of setting, determine that the DFS working conditions of the AP are normal, and work as institute
When stating the integral multiple of DFS detection cycle of the time difference less than the AP and/or the time span threshold value more than setting, it is determined that
The DFS working conditions of the AP are abnormal.
More preferably, the equipment also includes：Alarm information sending module 13, wherein：
Alarm information sending module 13, for it is determined that after the DFS working condition exceptions of the AP, being sent to core net
Alarm information, wherein, the identification information of the AP is carried in the alarm information, the identification information of the AP was carried at end
Hold in the reporting message sent.
It should be noted that the equipment that the embodiment of the present invention four is related to can be the functional part or base of base station
The physical entity stood, is not limited here.
Embodiment five：
As shown in figure 5, a kind of structural representation of terminal device for the embodiment of the present invention five, the terminal device bag
Include：Measurement module 21, determining module 22 and sending module 23, wherein：
Measurement module 21, during for being communicated with access point AP, detection receives the silent signaling that the AP is sent
Temporal information；
Determining module 22, institute is received for what is detected according to the temporal information and a preceding terminal for storage that detect
The temporal information of the silent signaling of AP transmissions is stated, determines whether the DFS working conditions of the AP are normal；
Sending module 23, for the whether normal object information of the AP of determination DFS working conditions to be carried
Base station is sent in report message.
Specifically, the determining module 22, specifically for calculating the temporal information detected and a preceding terminal for storage
Time difference between the temporal information for the silent signaling that the AP is sent that what is detected receive, and described in calculating and obtaining
Time difference is compared with the second time conditions set；
When comparative result is that the time difference that calculating is obtained meets the second time conditions of setting, the AP is determined
DFS working condition it is normal；When comparative result is the second timeline that the time difference that calculating is obtained does not meet setting
During part, determine that the DFS of AP working condition is abnormal.
Specifically, the second time conditions of the setting refer to：It is front and rear to receive the silent signaling that the AP is sent twice
Time interval be not more than default AP DFS detection cycles；
The determining module 22, specifically for being to calculate the obtained time difference to be not more than the AP when comparative result
DFS detection cycles when, determine that the DFS of AP working condition is normal, and when comparative result is to calculate obtain described
When time difference is more than the DFS detection cycles of the AP, determine that the DFS of AP working condition is abnormal.
More preferably, methods described also includes：Indicating module 24, wherein：
Indicating module 24, for the whether normal object information of the AP of determination DFS working conditions to be carried
It is sent in report message after base station, indicates base station it is determined that the AP of the determination carried in the reporting message received
DFS efforts abnormal states when, to core-network side send contain the AP identification information alarm information, wherein,
The identification information of the AP is carried in the reporting message of transmission.
Embodiment six：
As shown in fig. 6, being detected for a kind of working condition to dynamic frequency selection DFS of the embodiment of the present invention six
The structural representation of system.The system includes：Access point AP31, terminal device 32 and base station equipment 33, wherein：
Access point AP31, for sending silent signaling to terminal device.
Terminal device 32, for after the silent signaling of AP transmissions is received, reporting message to be sent to base station equipment.
Base station equipment 33, for according to the object information carried in the reporting message received, determining the AP's
Whether DFS working conditions are normal.
Specifically, the terminal device 32, during specifically for being communicated with access point AP, detection receives the AP hairs
The temporal information for the silent signaling sent, institute is received according to what the temporal information and a preceding terminal for storage that detect were detected
The temporal information of the silent signaling of AP transmissions is stated, determines whether the DFS working conditions of the AP are normal, and by the AP of determination
The whether normal object information of DFS working conditions carry base station equipment be sent in reporting message.
The terminal device 32, is detected specifically for calculating a preceding terminal for the temporal information detected and storage
The time difference between the temporal information for the silent signaling that the AP is sent is received, and the obtained time difference will be calculated
It is compared with the second time conditions of setting；
When comparative result is that the time difference that calculating is obtained meets the second time conditions of setting, the AP is determined
DFS working condition it is normal；When comparative result is the second timeline that the time difference that calculating is obtained does not meet setting
During part, determine that the DFS of AP working condition is abnormal.
The terminal device 32, is additionally operable to take the whether normal object information of the AP of determination DFS working conditions
Band is sent to after base station in reporting message, indicates base station it is determined that the determination that is carried in the reporting message received
During the DFS efforts abnormal states of the AP, the alarm information for the identification information for containing the AP is sent to core-network side,
Wherein, the identification information of the AP is to carry to send in the reporting message of transmission.
Specifically, the base station equipment 33, carries whether access point AP sends quiet specifically for what receiving terminal was sent
The reporting message of the object information of silent signaling, and according to the object information carried in the reporting message received, determine institute
Whether the DFS working conditions for stating AP are normal.
The base station equipment 33, specifically for being that the AP does not send silent signaling when the object information received, then
Determine that the DFS working conditions of the AP are abnormal.
The base station equipment 33, specifically for according to the temporal information carried in the reporting message received, calculating
The temporal information of the carrying and a preceding terminal for storage are received between the temporal information for the silent signaling that the AP is sent
Time difference, and by the time difference and setting very first time condition be compared；
When the time difference meets the very first time condition of setting, determine that the DFS working conditions of the AP are normal；When
When the time difference does not meet the very first time condition of setting, determine that the DFS working conditions of the AP are abnormal.
The base station equipment 33, is additionally operable to it is determined that after the DFS working condition exceptions of the AP, sending and accusing to core net
Alert message, wherein, the identification information of the AP is carried in the alarm information, the identification information of the AP is carried in terminal
In the reporting message of transmission.
It should be noted that the terminal device and base station equipment that are included in the detecting system that the embodiment of the present invention six is related to,
Can be that there is single base station equipment function or single terminal device described in the embodiment of the present invention four to have this
Function described in inventive embodiments five, can also be terminal device and base station equipment while having described in the embodiment of the present invention six
Function, is operated according to the methods described of the embodiment of the present invention three, is favorably improved the essence of the DFS working conditions detection to AP
Degree.
It will be understood by those skilled in the art that embodiments of the invention can be provided as method, device（Equipment）Or computer
Program product.Therefore, in terms of the present invention can be using complete hardware embodiment, complete software embodiment or combination software and hardware
Embodiment form.Moreover, the present invention can be used in one or more meters for wherein including computer usable program code
Calculation machine usable storage medium（Including but not limited to magnetic disk storage, CD-ROM, optical memory etc.）The computer journey of upper implementation
The form of sequence product.
The present invention is with reference to method according to embodiments of the present invention, device（Equipment）With the flow chart of computer program product
And/or block diagram is described.It should be understood that can be by each flow in computer program instructions implementation process figure and/or block diagram
And/or square frame and the flow in flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided to refer to
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is made to produce
One machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for realizing
The device for the function of being specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to include excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (18)
1. a kind of method that working condition to dynamic frequency selection DFS is detected, it is characterised in that including：
The reporting message that receiving terminal is sent, wherein, carry whether access point AP sends silent signaling in the reporting message
Object information；
According to the object information carried in the reporting message received, determine whether the DFS working conditions of the AP are normal；
Wherein, the object information carried in the reporting message is that the AP sends silent signaling and terminal receives the silence
The temporal information of signaling；
According to the object information carried in the reporting message received, determine whether the DFS working conditions of the AP are normal,
Including：
According to the temporal information carried in the reporting message received, before calculating the temporal information of the carrying and storing
Terminal receives the time difference between the temporal information for the silent signaling that the AP is sent；
The time difference and the very first time condition of setting are compared；
When the time difference meets the very first time condition of setting, determine that the DFS working conditions of the AP are normal；When described
When time difference does not meet the very first time condition of setting, determine that the DFS working conditions of the AP are abnormal.
2. the method as described in claim 1, it is characterised in that the object information carried in the reporting message is that the AP does not have
There is the silent signaling of transmission；
According to the object information carried in the reporting message received, determine whether the DFS working conditions of the AP are normal,
Including：
When the object information received is that the AP does not send silent signaling, it is determined that the DFS working conditions of the AP are abnormal.
3. the method as described in claim 1, it is characterised in that the very first time condition of the setting is front and rear to receive twice
The AP sends the integral multiple of DFS detection cycle of the time interval not less than the AP of silent signaling and is not more than setting
Time span threshold value.
4. method as claimed in claim 3, it is characterised in that when the time difference meets the very first time condition of setting
When, determine that the DFS working conditions of the AP are normal, including：
When the integral multiple and the time span door of no more than setting of DFS detection cycle of the time difference not less than the AP
During limit value, determine that the DFS working conditions of the AP are normal；
When the time difference is unsatisfactory for the very first time condition of setting, determine that the DFS working conditions of the AP are abnormal, bag
Include：
When the time difference is less than the integral multiple and/or the time span thresholding more than setting of the DFS detection cycles of the AP
During value, determine that the DFS working conditions of the AP are abnormal.
5. the method as described in Claims 1 to 4 is any, it is characterised in that it is determined that the DFS working condition exceptions of the AP
Afterwards, methods described also includes：
Alarm information is sent to core net, wherein, the identification information of the AP, the mark of the AP are carried in the alarm information
Knowing information is carried in the reporting message that terminal is sent.
6. a kind of method that working condition to dynamic frequency selection DFS is detected, it is characterised in that including：
When terminal is communicated with access point AP, detection receives the temporal information for the silent signaling that the AP is sent；
What temporal information and a preceding terminal for storage according to detecting were detected receives the silent signaling that the AP is sent
Temporal information, determine whether the DFS working conditions of the AP normal；
And the whether normal object information carrying of the AP of determination DFS working conditions is sent to base in reporting message
Stand.
7. method as claimed in claim 6, it is characterised in that according to the temporal information and a preceding terminal for storage detected
What is detected receives the temporal information for the silent signaling that the AP is sent, and determines whether the DFS working conditions of the AP are normal,
Including：
Calculate the silent signaling for receiving the AP transmissions that a preceding terminal of the temporal information detected with storing is detected
Temporal information between time difference；
Second time conditions of the obtained time difference with setting will be calculated to be compared；
When comparative result is that the time difference that calculating is obtained meets the second time conditions of setting, determine the AP's
DFS working condition is normal；When comparative result is the second time conditions that the time difference that calculating is obtained does not meet setting
When, determine that the DFS of AP working condition is abnormal.
8. method as claimed in claim 7, it is characterised in that the second time conditions of the setting refer to：It is front and rear to connect twice
The time interval for receiving the silent signaling that the AP is sent is not more than default AP DFS detection cycles；
When comparative result is that the time difference that calculating is obtained meets the second time conditions of setting, determine the AP's
DFS working condition is normal, including：
When comparative result is that the time difference that calculating is obtained is not more than the DFS detection cycles of the AP, the AP is determined
DFS working condition it is normal；
When comparative result is that the time difference that calculating is obtained does not meet the second time conditions of setting, determine the AP's
DFS working condition is abnormal, including：
When comparative result is that the time difference that calculating is obtained is more than the DFS detection cycles of the AP, determine the AP's
DFS working condition is abnormal.
9. the method as described in claim 6~8 is any, it is characterised in that by the AP of determination DFS working conditions whether
Normal object information is carried to be sent to after base station in reporting message, and methods described also includes：
Indicate base station it is determined that the AP of the determination carried in the reporting message received DFS efforts states are different
Chang Shi, the alarm information for the identification information for containing the AP is sent to core-network side, wherein, the identification information of the AP is to take
Band is in the reporting message of transmission.
10. the equipment that a kind of working condition to dynamic frequency selection DFS is detected, it is characterised in that including：
Receiving module, the reporting message sent for receiving terminal, wherein, access point AP is carried in the reporting message whether
Send the object information of silent signaling；
Detection module, for according to the object information carried in the reporting message received, determining the DFS work of the AP
Whether state is normal；
Wherein, the object information carried in the reporting message is that the AP sends silent signaling and terminal receives the silence
The temporal information of signaling；
The detection module, specifically for taking described according to the temporal information carried in the reporting message that receives, calculating
The temporal information of band and a preceding terminal for storage receive the time between the temporal information for the silent signaling that the AP is sent
Difference, and the time difference and the very first time condition of setting are compared；
When the time difference meets the very first time condition of setting, determine that the DFS working conditions of the AP are normal；When described
When time difference does not meet the very first time condition of setting, determine that the DFS working conditions of the AP are abnormal.
11. equipment as claimed in claim 10, it is characterised in that the result object information carried in the reporting message is institute
State AP and do not send silent signaling；
The detection module, specifically for being that the AP does not send silent signaling when the object information received, it is determined that institute
The DFS working conditions for stating AP are abnormal.
12. equipment as claimed in claim 10, it is characterised in that the very first time condition of the setting is front and rear to receive twice
The integral multiple of DFS detection cycle of the time interval not less than the AP of silent signaling is sent to the AP and is not more than and is set
Time span threshold value.
13. equipment as claimed in claim 12, it is characterised in that
The detection module, specifically for the integral multiple when DFS detection cycle of the time difference not less than the AP and not
More than setting time span threshold value when, determine that the DFS working conditions of the AP are normal, and when the time difference is less than
When the integral multiple of the DFS detection cycles of the AP and/or the time span threshold value more than setting, the DFS works of the AP are determined
Make abnormal state.
14. the equipment as described in claim 10~13 is any, it is characterised in that the equipment also includes：
Alarm information sending module, for it is determined that after the DFS working condition exceptions of the AP, sending alarm to core net and disappearing
Breath, wherein, the identification information of the AP is carried in the alarm information, the identification information of the AP is to carry to send in terminal
Reporting message in.
15. a kind of terminal device, it is characterised in that including：
Measurement module, during for being communicated with access point AP, detection receives the time letter for the silent signaling that the AP is sent
Breath；
Determining module, the AP hairs are received for what is detected according to the temporal information and a preceding terminal for storage that detect
The temporal information for the silent signaling sent, determines whether the DFS working conditions of the AP are normal；
Sending module, for the whether normal object information of the AP of determination DFS working conditions to be carried in reporting message
In be sent to base station.
16. terminal device as claimed in claim 15, it is characterised in that
The determining module, specifically for receiving that the preceding terminal for calculating the temporal information detected with storing is detected
Time difference between the temporal information for the silent signaling that the AP is sent, and the obtained time difference and setting will be calculated
The second time conditions be compared；
When comparative result is that the time difference that calculating is obtained meets the second time conditions of setting, determine the AP's
DFS working condition is normal；When comparative result is the second time conditions that the time difference that calculating is obtained does not meet setting
When, determine that the DFS of AP working condition is abnormal.
17. terminal device as claimed in claim 16, it is characterised in that the second time conditions of the setting refer to：It is front and rear
The time interval for receiving the silent signaling that the AP is sent twice is not more than default AP DFS detection cycles；
The determining module, specifically for being to calculate the DFS that the obtained time difference is not more than the AP when comparative result
During detection cycle, determine that the DFS of AP working condition is normal, and when comparative result is the time difference that calculating is obtained
When value is more than the DFS detection cycles of the AP, determine that the DFS of AP working condition is abnormal.
18. the terminal device as described in claim 15~17 is any, it is characterised in that the terminal device also includes：
Indicating module, for the whether normal object information of the AP of determination DFS working conditions to be carried in reporting message
In be sent to after base station, indicate base station it is determined that the AP of the determination carried in the reporting message received DFS
During efforts abnormal state, the alarm information for the identification information for containing the AP is sent to core-network side, wherein, the AP
Identification information be carry in the reporting message of transmission.
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| KR101497153B1 (en) * | 2008-12-22 | 2015-03-02 | 엘지전자 주식회사 | Procedure for Basic Service Set(BSS) load management for a WLAN system |
| CN102045750A (en) * | 2009-10-10 | 2011-05-04 | 上海中兴通讯技术有限责任公司 | Method and system for performance monitoring and failure handling of WLAN (wireless local area network) |
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