CN109548066B - Wireless communication link state detection method - Google Patents
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- CN109548066B CN109548066B CN201811610380.5A CN201811610380A CN109548066B CN 109548066 B CN109548066 B CN 109548066B CN 201811610380 A CN201811610380 A CN 201811610380A CN 109548066 B CN109548066 B CN 109548066B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0811—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0876—Network utilisation, e.g. volume of load or congestion level
- H04L43/0894—Packet rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/10—Active monitoring, e.g. heartbeat, ping or trace-route
Abstract
The invention provides a wireless communication link state detection method, which comprises the following steps: step 1, setting detection parameters and detection parameter ranges of a wireless communication link; step 2, testing the response speed of the wireless communication link to the message according to the detection parameters and the detection parameter range of the wireless communication link; and 3, judging whether the wireless communication link is normal or not according to the response speed of the wireless communication link to the message and a preset judgment rule. The invention adjusts the detection parameters and the detection parameter ranges of the wireless communication link through dynamic combination, so that the detection parameters and the detection parameter ranges of the wireless communication link are adapted to the state of the wireless communication link in real time, thereby obtaining accurate and timely detection results.
Description
Technical Field
The invention relates to the field of wireless communication links, in particular to a wireless communication link state detection method.
Background
For detecting the state of the wireless communication link, a general detection method is as follows: (1) sending a detection request message and receiving a detection response message; (2) and determining whether the wireless communication link is normal according to whether the response message can be received within a fixed time range, thereby confirming the state of the wireless communication link. However, the current detection method has the following defects: (1) the state of the wireless communication link is changed, and the same detection standard cannot meet all conditions; (2) the detection accuracy and the timeliness are low.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a wireless communication link state detection method which is easy to implement and has an obvious test effect.
In order to achieve the purpose, the invention adopts the technical scheme that: a method of wireless communication link state detection, the method comprising the steps of:
step 1, setting detection parameters and detection parameter ranges of a wireless communication link;
step 2, testing the response speed of the wireless communication link to the message according to the detection parameters and the detection parameter range of the wireless communication link;
and 3, judging whether the wireless communication link is normal or not according to the response speed of the wireless communication link to the message and a preset judgment rule.
Based on the above, the setting of the detection parameters of the wireless communication link comprises the following steps: presetting initial detection parameters and initial detection parameter ranges; testing the response speed of the wireless communication link to the message according to the initial detection parameters and the initial detection parameter range; self-learning of detection parameters is carried out according to the response speed of the wireless communication link to the message and the initial range of the detection parameters, and optimal detection parameters and worst detection parameters are obtained according to the real-time state of the wireless communication link; and carrying out combined setting of the detection parameters between the optimal detection parameters and the worst detection parameters.
Based on the above, the setting of the wireless communication link detection parameter range comprises the following steps: dynamically changing the detection parameter range on the basis of the initial detection parameter range, and testing the response speed of the wireless communication link to the message according to the detection parameter and the dynamic detection parameter range; acquiring an optimal detection parameter range and a worst detection parameter range according to the response speed of the wireless communication link to the message; setting the detection parameter range in the optimal detection parameter range and the worst detection parameter range.
Based on the above, the initial state of the detection parameter includes a message type, a destination address of the ICMP message, a time interval for sending the message, a time interval for requesting and responding the message when the link is normal, a time interval for requesting and responding the message when the link is abnormal, the number of times of continuously sending the message when the link is normal, and the number of times of continuously sending the message when the link is abnormal.
Based on the above, the initial range of the detection parameters is: the message types comprise an application layer heartbeat packet message and a network layer ICMP message, the time interval for sending the messages is 100-60 seconds, the time interval for requesting and responding the messages when the link is normal is 100-10 seconds, the time interval for requesting and responding the messages when the link is abnormal is 100-10 seconds, the frequency for continuously sending the messages when the link is normal is 1-60 times, and the frequency for continuously sending the messages when the link is abnormal is 1-60 times.
Based on the above, the step of dynamically changing the detection parameter range is as follows: if the link is normal in the range of the existing detection parameters, the range of the detection parameters is narrowed; and if the link is abnormal within the existing detection parameter range, the range of the detection parameters is expanded.
Based on the above, when the message proportion is 80%, if the actual message transmitting-receiving interval is greater than the message transmitting interval, the message transmitting interval is linearly increased; when the proportion of the message is 90%, if the actual receiving and sending interval of the message is smaller than the sending interval of the message, linearly reducing the sending interval of the message;
(2) when the judgment result of the link is changed when the interval for receiving and sending the message and the interval for sending the message are adjusted, the parameter value in the state change is recorded;
(3) all the recorded parameters can be used as the basis for parameter adjustment and the basis for feeding back the network state.
Based on the above, the preset judgment rule includes:
if the time interval of the request message and the time interval of the response message are within the time interval of the request message and the response message when the link is normal, the message is considered to be normally received and transmitted; otherwise, the message is considered to be abnormal in receiving and sending;
the number of times of sending and receiving the continuous message is normal, and if the number of times of continuously sending the message when the link is normal is met, the link is considered to be normal; otherwise, the normal times of receiving and transmitting continuous messages need to be counted again or dynamically adjusted;
the times of continuous message receiving and sending abnormity meet the times of continuous message sending when the link is abnormal, and the link is considered to be abnormal; otherwise, the number of times of abnormal receiving and sending of the continuous messages needs to be counted again or dynamically adjusted;
triggering to reestablish a wireless communication link when the continuous message is abnormally received and sent and the wireless signal strength is normal; otherwise, not triggering, and recounting the abnormal times of continuous message receiving and transmitting.
Based on the above, whether the ratio of successful message receiving and sending meets the link threshold is judged, if yes, whether the exponential level of the link threshold exceeds 100% is calculated, if yes, the link threshold is adjusted according to the linear increase of the fixed slope, otherwise, the link threshold is adjusted according to the exponential level increase;
when the link threshold is increased to a certain value, if the condition of the normal link cannot be met, the normal link threshold is backed off, and the link threshold is set to be the upper limit threshold of the normal link; if the link threshold value is returned to the lower limit threshold value of the link which is normal, the condition of the normal link cannot be reached, the link is judged to be abnormal, and the upper limit threshold value and the lower limit threshold value of the link threshold value are stored when the link is normal.
Based on the above, judging whether the abnormal proportion of message receiving and sending meets the link threshold, if so, calculating whether the power of 2^ n is 40% of the link threshold, if not, adjusting the link threshold according to the linear reduction of a fixed slope, otherwise, adjusting the link threshold according to the power of 2^ n;
(2) when the link threshold is reduced to a certain value, if the condition of the abnormal link cannot be met, the link threshold is backed off; if the condition of the abnormal link can be met, setting the link threshold as a lower limit threshold of the link abnormality, and simultaneously storing data such as the current abnormal threshold, the interval of receiving and sending messages, the interval of sending messages, the wireless signal strength and the like as experience learning values when the link is abnormal.
Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, and particularly, the invention adjusts the detection parameters and the detection parameter range of the wireless communication link through dynamic combination, so that the detection parameters and the detection parameter range of the wireless communication link are adapted to the state of the wireless communication link in real time, and accurate and timely detection results are obtained.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
The invention provides a wireless communication link state detection method, which comprises the following steps:
step 1, setting detection parameters and detection parameter ranges of a wireless communication link.
Specifically, the setting of the detection parameters of the wireless communication link includes the following steps: presetting initial detection parameters and initial detection parameter ranges; testing the response speed of the wireless communication link to the message according to the initial detection parameters and the initial detection parameter range; self-learning of detection parameters is carried out according to the response speed of the wireless communication link to the message and the initial range of the detection parameters, and optimal detection parameters and worst detection parameters are obtained according to the real-time state of the wireless communication link; and carrying out combined setting of the detection parameters between the optimal detection parameters and the worst detection parameters.
The setting of the wireless communication link detection parameter range comprises the following steps: dynamically changing the detection parameter range on the basis of the initial detection parameter range, and testing the response speed of the wireless communication link to the message according to the detection parameter and the dynamic detection parameter range; acquiring an optimal detection parameter range and a worst detection parameter range according to the response speed of the wireless communication link to the message; setting the detection parameter range in the optimal detection parameter range and the worst detection parameter range.
Preferably, the initial state of the detection parameter includes a message type, a destination address of the ICMP message, a time interval for sending a message, a time interval for requesting and responding to a message when the link is normal, a time interval for requesting and responding to a message when the link is abnormal, the number of times of continuously sending a message when the link is normal, and the number of times of continuously sending a message when the link is abnormal; the initial range of the detection parameters is as follows: the message types comprise an application layer heartbeat packet message and a network layer ICMP message, the time interval for sending the messages is 100-60 seconds, the time interval for requesting and responding the messages when the link is normal is 100-10 seconds, the time interval for requesting and responding the messages when the link is abnormal is 100-10 seconds, the frequency for continuously sending the messages when the link is normal is 1-60 times, and the frequency for continuously sending the messages when the link is abnormal is 1-60 times.
Preferably, the step of dynamically changing the detection parameter range comprises: if the link is normal in the range of the existing detection parameters, the range of the detection parameters is narrowed; and if the link is abnormal within the existing detection parameter range, the range of the detection parameters is expanded.
And 2, testing the response speed of the wireless communication link to the message according to the detection parameters and the detection parameter range of the wireless communication link.
And 3, judging whether the wireless communication link is normal or not according to the response speed of the wireless communication link to the message and a preset judgment rule.
Wherein, the preset judgment rule in the step 3 comprises:
if the time interval of the request message and the time interval of the response message are within the time interval of the request message and the response message when the link is normal, the message is considered to be normally received and transmitted; otherwise, the message is considered to be abnormal in receiving and sending;
the number of times of sending and receiving the continuous message is normal, and if the number of times of continuously sending the message when the link is normal is met, the link is considered to be normal; otherwise, the normal times of receiving and transmitting continuous messages need to be counted again or dynamically adjusted;
the times of continuous message receiving and sending abnormity meet the times of continuous message sending when the link is abnormal, and the link is considered to be abnormal; otherwise, the number of times of abnormal receiving and sending of the continuous messages needs to be counted again or dynamically adjusted;
triggering to reestablish a wireless communication link when the continuous message is abnormally received and sent and the wireless signal strength is normal; otherwise, not triggering, and recounting the abnormal times of continuous message receiving and transmitting.
It should be noted that: when adjusting the range of the detection parameter, it needs to first determine whether to adjust the link threshold, and the specific determination steps are as follows:
judging whether the successful message receiving and sending proportion meets the current link threshold or not, or whether the abnormal message receiving and sending proportion meets the current link threshold or not;
if the successful message receiving and transmitting ratio meets the current link threshold, calculating whether the exponent level of the current link threshold exceeds 100%, if so, adjusting the current link threshold according to the linear increase of the fixed slope, otherwise, adjusting the current link threshold according to the exponent level increase;
when the current link threshold value is increased to a certain value, if the condition of a normal link cannot be achieved, the current link threshold value is backed off, and meanwhile, the current link threshold value is set to be the upper limit threshold value of the normal link; if the current link threshold value falls back to the lower limit threshold value of the normal link, the condition of the normal link cannot be reached, the link is judged to be abnormal, and the upper limit threshold value and the lower limit threshold value of the link threshold value are stored when the link is normal.
If the abnormal message receiving and sending proportion meets the current link threshold, whether the power of 2^ n to the power of the current link threshold is 40% is calculated, if the abnormal message receiving and sending proportion is lower than the current link threshold, the current link threshold is adjusted according to the linear reduction of a fixed slope, otherwise, the current link threshold is adjusted according to the power reduction of 2^ n to the power;
when the current link threshold is reduced to a certain value, if the condition of the abnormal link cannot be met, the current link threshold is returned; if the condition of the abnormal link can be met, setting the link threshold as a lower limit threshold of the link abnormality, and simultaneously storing data such as the current abnormal threshold, the interval of receiving and sending messages, the interval of sending messages, the wireless signal strength and the like as experience learning values when the link is abnormal.
If the successful message receiving and sending ratio does not meet the current link threshold and the abnormal message receiving and sending ratio does not meet the current link threshold, the current link threshold does not need to be adjusted, and the adjustment steps of the detection parameters at this time are as follows:
(1) when the message proportion is 80%, comparing the actual message transmitting and receiving intervals, and if the actual message transmitting and receiving intervals are larger than the message transmitting intervals, linearly increasing the message transmitting intervals; when the proportion of the messages is 90%, comparing the actual receiving and sending intervals of the messages, and if the actual receiving and sending intervals of the messages are smaller than the sending intervals of the messages, linearly reducing the sending intervals of the messages;
(2) when the judgment result of the current link is changed by adjusting the interval of receiving and sending the message and the interval of sending the message, recording the parameter value when the state is changed;
(2) all the recorded parameters can be used as the basis for parameter adjustment and the basis for feeding back the network state.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (8)
1. A method for detecting a status of a wireless communication link, comprising the steps of:
step 1, setting detection parameters and detection parameter ranges of a wireless communication link;
step 2, testing the response speed of the wireless communication link to the message according to the detection parameters and the detection parameter range of the wireless communication link;
step 3, judging whether the wireless communication link is normal or not according to the response speed of the wireless communication link to the message and a preset judgment rule;
the setting of the detection parameters of the wireless communication link comprises the following steps: presetting initial detection parameters and initial detection parameter ranges; testing the response speed of the wireless communication link to the message according to the initial detection parameters and the initial detection parameter range; self-learning of detection parameters is carried out according to the response speed of the wireless communication link to the message and the initial range of the detection parameters, and optimal detection parameters and worst detection parameters are obtained according to the real-time state of the wireless communication link; carrying out combination setting of detection parameters between the optimal detection parameters and the worst detection parameters;
the setting of the wireless communication link detection parameter range comprises the following steps: dynamically changing the detection parameter range on the basis of the initial detection parameter range, testing the response speed of the wireless communication link to the message according to the detection parameter and the dynamic detection parameter range, acquiring the optimal detection parameter range and the worst detection parameter range according to the response speed of the wireless communication link to the message, and setting the detection parameter range in the optimal detection parameter range and the worst detection parameter range.
2. The wireless communication link state detection method of claim 1, wherein: the initial state of the detection parameters comprises a message type, a destination address of an ICMP message, a message sending time interval, a request and response message time interval when a link is normal, a request and response message time interval when the link is abnormal, the continuous message sending times when the link is normal and the continuous message sending times when the link is abnormal.
3. The method of claim 2, wherein the initial range of the detection parameter is: the message types comprise an application layer heartbeat packet message and a network layer ICMP message, the time interval for sending the messages is 100-60 seconds, the time interval for requesting and responding the messages when the link is normal is 100-10 seconds, the time interval for requesting and responding the messages when the link is abnormal is 100-10 seconds, the frequency for continuously sending the messages when the link is normal is 1-60 times, and the frequency for continuously sending the messages when the link is abnormal is 1-60 times.
4. The method of claim 1, wherein the step of dynamically changing the detection parameter range comprises: if the link is normal in the range of the current detection parameters, reducing the range of the detection parameters; and if the link is abnormal in the current detection parameter range, expanding the detection parameter range.
5. The wireless communication link state detection method of claim 4, wherein: when the message proportion is 80%, if the actual message transmitting-receiving interval is larger than the message transmitting interval, linearly increasing the message transmitting interval; when the proportion of the message is 90%, if the actual receiving and sending interval of the message is smaller than the sending interval of the message, linearly reducing the sending interval of the message;
when the judgment result of the link is changed due to the adjustment of the message receiving and sending intervals and the message sending intervals, the parameter value in the state change is recorded and used as the parameter adjustment basis and the basis for feeding back the network state.
6. The method of claim 2, wherein the predetermined judgment rule comprises:
if the time interval of the request message and the time interval of the response message are within the time interval of the request message and the response message when the link is normal, the message is considered to be normally received and transmitted; otherwise, the message is considered to be abnormal in receiving and sending;
the number of times of sending and receiving the continuous message is normal, and if the number of times of continuously sending the message when the link is normal is met, the link is considered to be normal; otherwise, the normal times of receiving and transmitting continuous messages need to be counted again or dynamically adjusted;
the times of continuous message receiving and sending abnormity meet the times of continuous message sending when the link is abnormal, and the link is considered to be abnormal; otherwise, the number of times of abnormal receiving and sending of the continuous messages needs to be counted again or dynamically adjusted;
triggering to reestablish a wireless communication link when the continuous message is abnormally received and sent and the wireless signal strength is normal; otherwise, not triggering, and recounting the abnormal times of continuous message receiving and transmitting.
7. The wireless communication link state detection method of claim 4, wherein: judging whether the successful message receiving and sending ratio meets a link threshold, if so, calculating whether the exponential level of the link threshold exceeds 100%, if so, adjusting the link threshold according to the linear increase of a fixed slope, otherwise, increasing and adjusting the link threshold according to the exponential level;
when the link threshold is increased to a certain value, if the condition of the normal link cannot be met, the normal link threshold is backed off, and the link threshold is set to be the upper limit threshold of the normal link; if the link threshold value is returned to the lower limit threshold value of the link which is normal, the condition of the normal link cannot be reached, the link is judged to be abnormal, and the upper limit threshold value and the lower limit threshold value of the link threshold value are stored when the link is normal.
8. The wireless communication link state detection method of claim 4, wherein: judging whether the abnormal proportion of message receiving and sending meets a link threshold, if so, calculating whether the power of 2^ n to the power of the link threshold is 40%, if not, adjusting the link threshold according to the linear reduction of a fixed slope, otherwise, adjusting the link threshold according to the power of 2^ n to the power;
when the link threshold is reduced to a certain value, if the condition of the abnormal link cannot be met, the link threshold is backed off; if the condition of the abnormal link can be met, setting the link threshold as a lower limit threshold of the link abnormality, and simultaneously storing the current abnormal link threshold, the interval of receiving and sending messages, the time interval of sending messages and the wireless signal strength as experience learning values when the link is abnormal.
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| CN113032190A (en) * | 2019-12-09 | 2021-06-25 | 圣邦微电子（北京）股份有限公司 | IIC interface time sequence parameter testing method and IIC interface time sequence parameter testing device |
| CN112866917B (en) * | 2020-12-31 | 2022-04-05 | 杭州海康威视数字技术股份有限公司 | Wireless link communication detection method and device and electronic equipment |
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