CN107548018B - Method and equipment for processing abnormity of wireless access point of wireless sensor network Internet of things - Google Patents
Method and equipment for processing abnormity of wireless access point of wireless sensor network Internet of things Download PDFInfo
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Abstract
The application discloses a method and equipment for processing the exception of a wireless access point of the Internet of things of a wireless sensor network, wherein the method comprises the following steps: when the internet of things gateway detects that the state of the first internet of things wireless access point is abnormal, acquiring the uplink bandwidth of the second internet of things wireless access point and the uplink bandwidth of the third internet of things wireless access point; when detecting that the uplink bandwidth of the second internet-of-things wireless access point is larger than or equal to the uplink bandwidth of the third internet-of-things wireless access point, sending a first cache data migration instruction to the first internet-of-things wireless access point, wherein the first cache data migration instruction is used for indicating the first internet-of-things wireless access point to send cache data to the second internet-of-things wireless access point; and receiving the cache data of the first Internet of things wireless access point sent by the second Internet of things wireless access point. The embodiment of the invention is beneficial to improving the stability and the anti-interference capability of the data transmission of the wireless sensor network.
Description
Technical Field
The application relates to the field of communication, in particular to a wireless sensor network Internet of things wireless access point exception handling method and device.
Background
The wireless sensing network in the application of the Internet of things is composed of an Internet of things gateway, an Internet of things wireless access point, an Internet of things terminal and a repeater (the Internet of things terminal which is powered by a part of power supply and is internally provided with a routing algorithm can serve as the repeater), data acquisition is carried out through the Internet of things terminal, and data transmission is carried out through the Internet of things wireless access point and the Internet of things gateway. The internet of things has two meanings: firstly, the core and the foundation of the internet of things are still the internet, and the internet is an extended and expanded network on the basis of the internet; and secondly, the user side extends and expands to any article to perform information exchange and communication, namely, the article information. The internet of things is widely applied to network fusion through communication perception technologies such as intelligent perception, identification technology and pervasive computing, and is also called as the third wave of development of the world information industry after computers and the internet. The internet of things is an application expansion of the internet, and is not a network, but a business and an application.
At present, in an internet of things wireless sensor network, when an internet of things wireless access point fails to perform effective uplink data transmission, cache data in the internet of things wireless access point is lost.
Disclosure of Invention
The application provides an abnormity processing method for wireless access points of the wireless sensor network Internet of things, which can improve the integrity and the real-time performance of data transmission when the wireless access points of the wireless sensor network Internet of things are abnormal.
In a first aspect, an embodiment of the present invention provides an exception handling method for an internet of things wireless access point of a wireless sensor network, which is applied to the wireless sensor network, wherein the wireless sensor network includes an internet of things gateway and an internet of things wireless access point in communication connection with the internet of things gateway, and the internet of things wireless access point includes a first internet of things wireless access point, a second internet of things wireless access point and a third internet of things wireless access point, and the method includes the following steps:
when the internet of things gateway detects that the state of the first internet of things wireless access point is abnormal, acquiring the uplink bandwidth of the second internet of things wireless access point and the uplink bandwidth of the third internet of things wireless access point;
when detecting that the uplink bandwidth of the second internet-of-things wireless access point is greater than or equal to the uplink bandwidth of the third internet-of-things wireless access point, the internet-of-things gateway sends a first cache data migration instruction to the first internet-of-things wireless access point, wherein the first cache data migration instruction is used for indicating the first internet-of-things wireless access point to send cache data to the second internet-of-things wireless access point;
and the Internet of things gateway receives the cache data of the first Internet of things wireless access point sent by the second Internet of things wireless access point.
As can be seen from the above, in the embodiment of the present invention, when detecting that the state of the first internet of things wireless access point is abnormal, the internet of things gateway acquires the uplink bandwidth of the second internet of things wireless access point and the uplink bandwidth of the third internet of things wireless access point, and when detecting that the uplink bandwidth of the second internet of things wireless access point is greater than or equal to the uplink bandwidth of the third internet of things wireless access point, the internet of things gateway sends a first cache data migration instruction to the first internet of things wireless access point, where the first cache data migration instruction is used to instruct the first internet of things wireless access point to send cache data to the second internet of things wireless access point, and finally, receives the cache data sent by the. The larger the uplink bandwidth is, the higher the uplink data transmission rate of the internet of things wireless access point is, so that the internet of things gateway sends the cache data to the second internet of things wireless access point through the first internet of things wireless access point indicating the abnormal state, the cache data can be reported to the gateway by the second internet of things wireless access point with the lowest delay loss, the delay caused by the abnormal state of the first internet of things wireless access point is reduced as much as possible, the cache data of the first internet of things wireless access point is prevented from being discarded, and the completeness and the real-time performance of data transmission when the wireless internet of things wireless access point of the wireless sensor network is abnormal are improved.
In one possible design, the method further includes:
when the uplink bandwidth of the second internet-of-things wireless access point is smaller than the uplink bandwidth of the third internet-of-things wireless access point, the internet-of-things gateway sends a second cache data migration instruction to the first internet-of-things wireless access point, and the second cache data migration instruction is used for indicating the first internet-of-things wireless access point to send cache data to the third internet-of-things wireless access point.
In one possible design, the method further includes:
the internet of things gateway sends a mount removal instruction to the first internet of things wireless access point, and the mount removal instruction is used for indicating the internet of things terminal on which the first internet of things wireless access point is mounted.
Therefore, in the possible design, after receiving the cache data of the first internet of things wireless access point in the abnormal state, the internet of things gateway sends a mount removal instruction to the first internet of things wireless access point to indicate the internet of things terminal where the mount removal is performed by the first internet of things wireless access point, so that the situation that the uplink data of the internet of things terminal is continuously transmitted to the first internet of things wireless access point to cause data accumulation and influence the stability of the wireless sensor network is avoided, and the stability of the wireless sensor network repeater in the abnormal state is favorably improved.
In one possible design, after the internet of things gateway sends the unmount instruction to the first internet of things wireless access point, the method further includes:
the internet of things gateway sends a first equipment mounting instruction to the third internet of things wireless access point, the first equipment mounting instruction comprises an equipment identification of the internet of things terminal, the first internet of things wireless access point is free of mounting, and the equipment identification is used for the third internet of things wireless access point to mount the internet of things terminal, the first internet of things wireless access point is free of mounting.
Therefore, in the possible design, the internet of things gateway can also instruct the third internet of things wireless access point to mount the first internet of things wireless access point to remove the mounted internet of things terminal, so that the internet of things terminal with the first internet of things wireless access point removed from mounting is added into the wireless sensor network again in time, data loss of the internet of things terminal is reduced, and the stability of data transmission of the wireless sensor network is favorably improved.
In one possible design, after the internet of things gateway sends the unmount instruction to the first internet of things wireless access point, the method further includes:
the Internet of things gateway sends a second equipment mounting instruction to the second Internet of things wireless access point, the second equipment mounting instruction comprises an equipment identifier of the Internet of things terminal, the first Internet of things wireless access point is relieved from mounting, and the equipment identifier is used for the second Internet of things wireless access point to mount the Internet of things terminal, the first Internet of things wireless access point is relieved from mounting.
Therefore, in the possible design, the internet of things gateway can also instruct the second internet of things wireless access point to mount the internet of things terminal with the first internet of things wireless access point removed from mounting, so that the internet of things terminal with the first internet of things wireless access point removed from mounting is added into the wireless sensor network in time, data loss of the internet of things terminal is reduced, and the stability of data transmission of the wireless sensor network is improved.
In a second aspect of the embodiments of the present invention, an internet of things gateway is provided, which has a function of implementing the internet of things gateway in the method design of the first aspect. The functions can be realized by hardware, and the functions can also be realized by executing corresponding software by hardware. The hardware or software includes one or more modules corresponding to the above-described functions.
Specifically, the internet of things gateway comprises a processing unit and a communication unit, wherein the processing unit is used for acquiring the uplink bandwidth of the second internet of things wireless access point and the uplink bandwidth of the third internet of things wireless access point through the communication unit when the first internet of things wireless access point is detected to be abnormal in state; and when detecting that the uplink bandwidth of the second internet-of-things wireless access point is greater than or equal to the uplink bandwidth of the third internet-of-things wireless access point, sending a first cache data migration instruction to the first internet-of-things wireless access point through the communication unit, wherein the first cache data migration instruction is used for indicating the first internet-of-things wireless access point to send cache data to the second internet-of-things wireless access point, and receiving the cache data of the first internet-of-things wireless access point sent by the second internet-of-things wireless access point through the communication unit.
In one possible design, the processing unit is further configured to send, by the communication unit, a second cache data migration instruction to the first internet of things wireless access point when detecting that the uplink bandwidth of the second internet of things wireless access point is smaller than the uplink bandwidth of the third internet of things wireless access point, where the second cache data migration instruction is used to instruct the first internet of things wireless access point to send cache data to the third internet of things wireless access point, and is used to receive, by the communication unit, the cache data of the first internet of things wireless access point sent by the third internet of things wireless access point.
In one possible design, the processing unit is further configured to send a mount release instruction to the first internet of things wireless access point through the communication unit, where the mount release instruction is used to instruct the first internet of things wireless access point to release the mounted internet of things terminal.
In a possible design, after the processing unit sends the mount removal instruction to the first internet of things wireless access point through the communication unit, the processing unit is further configured to send a first device mount instruction to the third internet of things wireless access point through the communication unit, the first device mount instruction includes a device identifier of the internet of things terminal where the first internet of things wireless access point is mounted, and the device identifier is used for the third internet of things wireless access point to mount the internet of things terminal where the first internet of things wireless access point is mounted.
In a possible design, after the processing unit sends the mount removal instruction to the first internet of things wireless access point through the communication unit, the processing unit is further configured to send a second device mount instruction to the second internet of things wireless access point through the communication unit, the second device mount instruction includes a device identifier of the internet of things terminal where the first internet of things wireless access point is removed from mounting, and the device identifier is used for the second internet of things wireless access point to mount the internet of things terminal where the first internet of things wireless access point is removed from mounting.
In a third aspect of the embodiments of the present invention, there is provided an internet of things gateway, including a processor configured to support the internet of things gateway to perform corresponding functions in the method of the first aspect. Further, the internet of things gateway may further include a transceiver for supporting communication between the internet of things gateway and the internet of things terminal. Further, the gateway of the internet of things may further include a memory for coupling with the processor, which stores program instructions and data necessary for the gateway of the internet of things.
In a fourth aspect of embodiments of the present invention, there is provided an internet of things gateway comprising one or more processors, memory, one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the programs comprising instructions for performing any one of the steps of the method of the first aspect.
In a fifth aspect of the embodiments of the present invention, a computer-readable storage medium is provided, where the computer-readable storage medium stores a computer program for electronic data exchange, where the computer program makes a computer perform some or all of the steps as described in any one of the methods of the first aspect of the embodiments of the present invention.
A sixth aspect of embodiments of the present invention provides a computer program product, wherein the computer program product comprises a non-transitory computer readable storage medium storing a computer program, the computer program being operable to cause a computer to perform some or all of the steps as described in any one of the methods of the first aspect of embodiments of the present invention. The computer program product may be a software installation package.
In the embodiment of the invention, when the internet of things gateway detects that the state of the first internet of things wireless access point is abnormal, the uplink bandwidth of the second internet of things wireless access point and the uplink bandwidth of the third internet of things wireless access point are obtained, when the uplink bandwidth of the second internet of things wireless access point is detected to be greater than or equal to the uplink bandwidth of the third internet of things wireless access point, the internet of things gateway sends the first cache data migration instruction to the first internet of things wireless access point, the first cache data migration instruction is used for indicating the first internet of things wireless access point to send cache data to the second internet of things wireless access point, and finally, the cache data sent by the second internet of things wireless access point is received. The larger the uplink bandwidth is, the higher the uplink data transmission rate of the internet of things wireless access point is, so that the internet of things gateway sends the cache data to the second internet of things wireless access point through the first internet of things wireless access point indicating the abnormal state, the cache data can be reported to the gateway by the second internet of things wireless access point with the lowest delay loss, the delay caused by the abnormal state of the first internet of things wireless access point is reduced as much as possible, the cache data of the first internet of things wireless access point is prevented from being discarded, and the completeness and the real-time performance of data transmission when the wireless internet of things wireless access point of the wireless sensor network is abnormal are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a network architecture diagram of an exemplary wireless sensor network provided by an embodiment of the present invention;
fig. 2A is a schematic flowchart of a method for processing an exception of a wireless access point of the internet of things in the wireless sensor network according to the embodiment of the present invention;
fig. 3 is a schematic flowchart of another method for processing an exception of a wireless access point of the internet of things in the wireless sensor network according to the embodiment of the present invention;
fig. 4 is a schematic flowchart of another method for processing an exception of a wireless access point of the internet of things in the wireless sensor network according to the embodiment of the present invention
Fig. 5A is a functional unit block diagram of an internet of things gateway according to an embodiment of the present invention;
fig. 5B is a schematic structural diagram of an internet of things gateway provided in the embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The following is a detailed description of specific embodiments.
Referring to fig. 1, fig. 1 is a network architecture diagram of an exemplary wireless sensor network according to an embodiment of the present invention, where the wireless sensor network includes an internet of things gateway, an internet of things wireless access point in communication connection with the internet of things gateway, and an internet of things terminal in communication connection with the internet of things wireless access point, where the internet of things gateway is connected to the internet through media such as optical fibers, the internet of things gateway is connected to the internet of things wireless access point in a wireless manner, the internet of things wireless access point and the internet of things terminal are connected by using a star topology structure, frequency points of each internet of things wireless access point are different, the internet of things terminal that is not networked searches for an internet of things wireless access point that is most beneficial to itself in a frequency hopping manner, and communication networks constructed by the internet. The internet of things terminal comprises a battery-powered internet of things terminal and a power-powered internet of things terminal. The internet of things terminal powered by the power supply is embedded with a routing algorithm, when the internet of things terminal powered by a certain power supply is used as a repeater function, the embedded routing algorithm is started, and the internet of things terminal serves as the internet of things terminal and also serves as the repeater at the same time. Specifically, the wireless access point of the internet of things can identify whether the terminal of the internet of things is a battery-powered terminal of the internet of things or a power-powered terminal of the internet of things through a preset state identifier in the terminal of the internet of things during registration, so that the wireless access point of the internet of things can correctly select the repeater. When the terminal of the internet of things detects that the distance between the terminal of the internet of things and the wireless access point of the internet of things exceeds the preset maximum transmission distance, relay transmission needs to be completed through the repeater. An example wireless sensor network to which embodiments of the present invention are applicable may include a plurality of repeaters.
Referring to fig. 2A, fig. 2A is a schematic flow chart of a wireless sensor network internet of things wireless access point exception handling method, which is applied to a wireless sensor network, where the wireless sensor network includes an internet of things gateway and an internet of things wireless access point in communication connection with the internet of things gateway, and the internet of things wireless access point includes a first internet of things wireless access point, a second internet of things wireless access point, and a third internet of things wireless access point, as shown in fig. 2A, the method includes:
s201, when the Internet of things gateway detects that the state of the first Internet of things wireless access point is abnormal, acquiring an uplink bandwidth of the second Internet of things wireless access point and an uplink bandwidth of the third Internet of things wireless access point;
it can be understood that the specific implementation manner of the wireless access point of the internet of things when detecting that the state of the first wireless access point of the internet of things is abnormal may be various, and the embodiment of the present invention is not limited uniquely.
For example, if the internet of things wireless access point detects that the uplink data of the first internet of things wireless access point is not received in the current beacon period, it may be determined that the first internet of things wireless access point is abnormal in state.
For another example, if the wireless access point of the internet of things receives the abnormal state message actively reported by the wireless access point of the first internet of things, it may be determined that the wireless access point of the first internet of things is abnormal in state.
The first Internet of things wireless access point, the second Internet of things wireless access point and the third Internet of things wireless access point are all internally provided with routing algorithms, the first Internet of things wireless access point, the second Internet of things wireless access point and the third Internet of things wireless access point are communicated with each other, and the routing algorithms comprise frequency hopping and frequency division multiplexing algorithms and time division multiplexing algorithms.
S202, when detecting that the uplink bandwidth of the second Internet of things wireless access point is greater than or equal to the uplink bandwidth of the third Internet of things wireless access point, the Internet of things gateway sends a first cache data migration instruction to the first Internet of things wireless access point, wherein the first cache data migration instruction is used for indicating the first Internet of things wireless access point to send cache data to the second Internet of things wireless access point;
the cache data can be uplink data of the internet of things terminal mounted by the first internet of things wireless access point, which is received by the first internet of things wireless access point in the previous beacon period of the current beacon period, and the uplink data is cached in the first internet of things wireless access point because the uplink data of the part cannot be synchronously uploaded to the internet of things wireless access point in the previous beacon period due to the abnormal state of the first internet of things wireless access point.
S203, the Internet of things gateway receives the cache data of the first Internet of things wireless access point, which is sent by the second Internet of things wireless access point.
In a specific implementation, the second internet-of-things wireless access point may receive the cache data sent by the first internet-of-things wireless access point in the beacon period of the kth network beacon, and send the cache data to the internet-of-things gateway in the beacon period of the (k + 1) th network beacon, and correspondingly, the internet-of-things gateway receives the cache data in the beacon period of the (k + 1) th network beacon, where k is a positive integer.
In the embodiment of the invention, when the internet of things gateway detects that the state of the first internet of things wireless access point is abnormal, the uplink bandwidth of the second internet of things wireless access point and the uplink bandwidth of the third internet of things wireless access point are obtained, when the uplink bandwidth of the second internet of things wireless access point is detected to be greater than or equal to the uplink bandwidth of the third internet of things wireless access point, the internet of things gateway sends the first cache data migration instruction to the first internet of things wireless access point, the first cache data migration instruction is used for indicating the first internet of things wireless access point to send cache data to the second internet of things wireless access point, and finally, the cache data sent by the second internet of things wireless access point is received. The larger the uplink bandwidth is, the higher the uplink data transmission rate of the internet of things wireless access point is, so that the internet of things gateway sends the cache data to the second internet of things wireless access point through the first internet of things wireless access point indicating the abnormal state, the cache data can be reported to the gateway by the second internet of things wireless access point with the lowest delay loss, the delay caused by the abnormal state of the first internet of things wireless access point is reduced as much as possible, the cache data of the first internet of things wireless access point is prevented from being discarded, and the completeness and the real-time performance of data transmission when the wireless internet of things wireless access point of the wireless sensor network is abnormal are improved.
In one example, the method further comprises:
when detecting that the uplink bandwidth of the second internet-of-things wireless access point is smaller than the uplink bandwidth of the third internet-of-things wireless access point, the internet-of-things gateway sends a second cache data migration instruction to the first internet-of-things wireless access point, wherein the second cache data migration instruction is used for indicating the first internet-of-things wireless access point to send cache data to the third internet-of-things wireless access point;
and the Internet of things gateway receives the cache data of the first Internet of things wireless access point, which is sent by the third Internet of things wireless access point.
In one example, the method further comprises:
the internet of things gateway sends a mount removal instruction to the first internet of things wireless access point, and the mount removal instruction is used for indicating the internet of things terminal on which the first internet of things wireless access point is mounted.
It can be seen that, in this example, after receiving the cache data of the first internet of things wireless access point in the abnormal state, the internet of things gateway sends a mount removal instruction to the first internet of things wireless access point to instruct the first internet of things wireless access point to remove the mounted internet of things terminal, so that the situation that the uplink data of the internet of things terminal is continuously transmitted to the first internet of things wireless access point to cause data accumulation and affect the stability of the wireless sensor network is avoided, and the stability of the wireless sensor network when the wireless access point of the internet of things is abnormal is favorably improved.
In one example, after the internet of things gateway sends the unmount instruction to the first internet of things wireless access point, the method further includes:
the internet of things gateway sends a first equipment mounting instruction to the third internet of things wireless access point, the first equipment mounting instruction comprises an equipment identification of the internet of things terminal, the first internet of things wireless access point is free of mounting, and the equipment identification is used for the third internet of things wireless access point to mount the internet of things terminal, the first internet of things wireless access point is free of mounting.
In this example, the terminal of the internet of things mounted on the wireless access point of the first internet of things is in the non-network-access state after being unmounted, and the terminal of the internet of things determines the idle network time slot of the network beacon after receiving the network beacon, and sending a frame to a third internet of things wireless access point sending the network beacon in the idle network time slot, the third internet of things wireless access point acquiring the network frame, determining the equipment identifier of the terminal of the Internet of things according to the network access frame, and when determining that the equipment identifier set comprises the equipment identifier by referring to the equipment identifier set carried in the first equipment mounting instruction, then a network label is distributed to the terminal of the Internet of things, a preset network time slot is sent to the terminal of the Internet of things to finish the network access operation, after the subsequent terminal of the Internet of things finishes time synchronization after receiving the network beacon, the network time slot for sending the uplink data by itself can be determined according to the network number of itself.
Therefore, in this example, the internet of things gateway can also instruct the third internet of things wireless access point to mount the internet of things terminal with the first internet of things wireless access point removed from mounting, so that the internet of things terminal with the first internet of things wireless access point removed from mounting is added to the wireless sensor network in time, data loss of the internet of things terminal is reduced, and the stability of data transmission of the wireless sensor network is favorably improved.
In one example, after the internet of things gateway sends the unmount instruction to the first internet of things wireless access point, the method further includes:
the Internet of things gateway sends a second equipment mounting instruction to the second Internet of things wireless access point, the second equipment mounting instruction comprises an equipment identifier of the Internet of things terminal, the first Internet of things wireless access point is relieved from mounting, and the equipment identifier is used for the second Internet of things wireless access point to mount the Internet of things terminal, the first Internet of things wireless access point is relieved from mounting.
Therefore, in this example, the internet of things gateway can also instruct the second internet of things wireless access point to mount the internet of things terminal with the first internet of things wireless access point removed from mounting, so that the internet of things terminal with the first internet of things wireless access point removed from mounting is added to the wireless sensor network in time, data loss of the internet of things terminal is reduced, and the stability of data transmission of the wireless sensor network is favorably improved.
Consistent with the embodiment shown in fig. 2A, please refer to fig. 3, where fig. 3 is a schematic flowchart of another method for processing an exception of an internet of things wireless access point of a wireless sensor network, which is provided by an embodiment of the present invention, and is applied to a wireless sensor network, where the wireless sensor network includes an internet of things gateway and an internet of things wireless access point in communication connection with the internet of things gateway, and the internet of things wireless access point includes a first internet of things wireless access point, a second internet of things wireless access point, and a third internet of things wireless access point, as shown in the figure, the method for processing an exception of an internet of things wireless access point:
s301, when the internet of things gateway detects that the state of the first internet of things wireless access point is abnormal, acquiring the uplink bandwidth of the second internet of things wireless access point and the uplink bandwidth of the third internet of things wireless access point;
s302, when it is detected that the uplink bandwidth of the second Internet of things wireless access point is greater than or equal to the uplink bandwidth of the third Internet of things wireless access point, the Internet of things gateway sends a first cache data migration instruction to the first Internet of things wireless access point, wherein the first cache data migration instruction is used for indicating the first Internet of things wireless access point to send cache data to the second Internet of things wireless access point;
and S303, the Internet of things gateway receives the cache data of the first Internet of things wireless access point, which is sent by the second Internet of things wireless access point.
S304, the Internet of things gateway sends a mount removal instruction to the first Internet of things wireless access point, and the mount removal instruction is used for indicating the Internet of things terminal which is mounted on the first Internet of things wireless access point to be removed.
S305, the Internet of things gateway sends a first equipment mounting instruction to the third Internet of things wireless access point, the first equipment mounting instruction comprises an equipment identifier of the Internet of things terminal which is mounted by the first Internet of things wireless access point, and the equipment identifier is used for mounting the third Internet of things wireless access point and the Internet of things terminal which is mounted by the first Internet of things wireless access point.
In the embodiment of the invention, when the internet of things gateway detects that the state of the first internet of things wireless access point is abnormal, the uplink bandwidth of the second internet of things wireless access point and the uplink bandwidth of the third internet of things wireless access point are obtained, when the uplink bandwidth of the second internet of things wireless access point is detected to be greater than or equal to the uplink bandwidth of the third internet of things wireless access point, the internet of things gateway sends the first cache data migration instruction to the first internet of things wireless access point, the first cache data migration instruction is used for indicating the first internet of things wireless access point to send cache data to the second internet of things wireless access point, and finally, the cache data sent by the second internet of things wireless access point is received. The larger the uplink bandwidth is, the higher the uplink data transmission rate of the internet of things wireless access point is, so that the internet of things gateway sends the cache data to the second internet of things wireless access point through the first internet of things wireless access point indicating the abnormal state, the cache data can be reported to the gateway by the second internet of things wireless access point with the lowest delay loss, the delay caused by the abnormal state of the first internet of things wireless access point is reduced as much as possible, the cache data of the first internet of things wireless access point is prevented from being discarded, and the completeness and the real-time performance of data transmission when the wireless internet of things wireless access point of the wireless sensor network is abnormal are improved.
In addition, after the internet of things gateway receives the cache data of the first internet of things wireless access point in the abnormal state, the internet of things gateway sends a mount removal instruction to the first internet of things wireless access point to indicate the internet of things terminal where the mount removal is performed on the first internet of things wireless access point, the situation that the uplink data of the internet of things terminal is continuously transmitted to the first internet of things wireless access point to cause data accumulation and influence the stability of the wireless sensor network is avoided, and the stability of the wireless sensor network repeater in the abnormal state is favorably improved.
In addition, the internet of things gateway can also instruct a third internet of things wireless access point to mount the internet of things terminal with the first internet of things wireless access point removed from mounting, so that the internet of things terminal with the first internet of things wireless access point removed from mounting is added into the wireless sensor network again in time, data loss of the internet of things terminal is reduced, and the stability of data transmission of the wireless sensor network is favorably improved.
Consistent with the embodiment shown in fig. 2A and fig. 3, please refer to fig. 4, where fig. 4 is a schematic flowchart of another method for processing an exception of an internet of things wireless access point of a wireless sensor network according to an embodiment of the present invention, and is applied to a wireless sensor network, where the wireless sensor network includes an internet of things gateway and an internet of things wireless access point in communication connection with the internet of things gateway, and the internet of things wireless access point includes a first internet of things wireless access point, a second internet of things wireless access point, and a third internet of things wireless access point, as shown in the figure, the method for processing an exception of an internet of things wireless access point of a:
s401, when the Internet of things gateway detects that the state of the first Internet of things wireless access point is abnormal, acquiring the uplink bandwidth of the second Internet of things wireless access point and the uplink bandwidth of the third Internet of things wireless access point;
s402, when it is detected that the uplink bandwidth of the second Internet of things wireless access point is greater than or equal to the uplink bandwidth of the third Internet of things wireless access point, the Internet of things gateway sends a first cache data migration instruction to the first Internet of things wireless access point, wherein the first cache data migration instruction is used for indicating the first Internet of things wireless access point to send cache data to the second Internet of things wireless access point;
s403, the Internet of things gateway receives the cache data of the first Internet of things wireless access point, which is sent by the second Internet of things wireless access point.
S404, the Internet of things gateway sends a mount removal instruction to the first Internet of things wireless access point, and the mount removal instruction is used for indicating the Internet of things terminal which is mounted on the first Internet of things wireless access point to be removed.
S405, the Internet of things gateway sends a second equipment mounting instruction to the second Internet of things wireless access point, the second equipment mounting instruction comprises an equipment identifier of the Internet of things terminal, the first Internet of things wireless access point is relieved from mounting, and the equipment identifier is used for the second Internet of things wireless access point to mount the Internet of things terminal, the first Internet of things wireless access point is relieved from mounting.
In the embodiment of the invention, when the internet of things gateway detects that the state of the first internet of things wireless access point is abnormal, the uplink bandwidth of the second internet of things wireless access point and the uplink bandwidth of the third internet of things wireless access point are obtained, when the uplink bandwidth of the second internet of things wireless access point is detected to be greater than or equal to the uplink bandwidth of the third internet of things wireless access point, the internet of things gateway sends the first cache data migration instruction to the first internet of things wireless access point, the first cache data migration instruction is used for indicating the first internet of things wireless access point to send cache data to the second internet of things wireless access point, and finally, the cache data sent by the second internet of things wireless access point is received. The larger the uplink bandwidth is, the higher the uplink data transmission rate of the internet of things wireless access point is, so that the internet of things gateway sends the cache data to the second internet of things wireless access point through the first internet of things wireless access point indicating the abnormal state, the cache data can be reported to the gateway by the second internet of things wireless access point with the lowest delay loss, the delay caused by the abnormal state of the first internet of things wireless access point is reduced as much as possible, the cache data of the first internet of things wireless access point is prevented from being discarded, and the completeness and the real-time performance of data transmission when the wireless internet of things wireless access point of the wireless sensor network is abnormal are improved.
In addition, after the internet of things gateway receives the cache data of the first internet of things wireless access point in the abnormal state, the internet of things gateway sends a mount removal instruction to the first internet of things wireless access point to indicate the internet of things terminal where the mount removal is performed on the first internet of things wireless access point, the situation that the uplink data of the internet of things terminal is continuously transmitted to the first internet of things wireless access point to cause data accumulation and influence the stability of the wireless sensor network is avoided, and the stability of the wireless sensor network repeater in the abnormal state is favorably improved.
In addition, the internet of things gateway can also indicate the second internet of things wireless access point to mount the internet of things terminal with the first internet of things wireless access point removed from mounting, so that the internet of things terminal with the first internet of things wireless access point removed from mounting is added into the wireless sensor network in time, data loss of the internet of things terminal is reduced, and the stability of data transmission of the wireless sensor network is improved.
The above description has introduced the solution of the embodiment of the present invention mainly from the perspective of the method-side implementation process. It is understood that the gateway of the internet of things includes hardware structures and/or software modules for performing the functions in order to realize the functions. Those of skill in the art will readily appreciate that the present invention can be implemented in hardware or a combination of hardware and computer software, with the exemplary elements and algorithm steps described in connection with the embodiments disclosed herein. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
According to the embodiment of the invention, the functional units of the gateway of the internet of things can be divided according to the method example, for example, each functional unit can be divided corresponding to each function, or two or more functions can be integrated into one processing unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. It should be noted that the division of the unit in the embodiment of the present invention is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
In the case of an integrated unit, fig. 5A shows a possible structural diagram of the internet of things gateway involved in the above embodiment. The internet of things gateway 500 includes: a processing unit 502 and a communication unit 503. Processing unit 502 is configured to control and manage actions of the internet of things gateway, for example, processing unit 502 is configured to support the internet of things gateway to perform steps S201 to S203 in fig. 2A, steps S301 to S305 in fig. 3, and steps S401 to S405 in fig. 4, and/or other processes for the techniques described herein. The communication unit 503 is used for supporting communication between the internet-of-things gateway and other devices, for example, communication between the internet-of-things wireless access point. The internet of things gateway may further include a storage unit 501 for storing program codes and data of the internet of things gateway.
The processing Unit 502 may be a Processor or a controller, such as a Central Processing Unit (CPU), a general-purpose Processor, a Digital Signal Processor (DSP), an Application-Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a transistor logic device, a hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor may also be a combination of computing functions, e.g., comprising one or more microprocessors, DSPs, and microprocessors, among others. The communication unit 503 may be a communication interface, a transceiver circuit, etc., wherein the communication interface is a generic term and may include one or more interfaces. The storage unit 501 may be a memory.
The processing unit 502 is configured to, when it is detected that the state of the first internet of things wireless access point is abnormal, obtain, through the communication unit 503, an uplink bandwidth of the second internet of things wireless access point and an uplink bandwidth of the third internet of things wireless access point; and when detecting that the uplink bandwidth of the second internet-of-things wireless access point is greater than or equal to the uplink bandwidth of the third internet-of-things wireless access point, sending a first cache data migration instruction to the first internet-of-things wireless access point through the communication unit 503, where the first cache data migration instruction is used to instruct the first internet-of-things wireless access point to send cache data to the second internet-of-things wireless access point, and is used to receive the cache data of the first internet-of-things wireless access point sent by the second internet-of-things wireless access point through the communication unit 503.
In a possible example, the processing unit 502 is further configured to, when detecting that the uplink bandwidth of the second internet-of-things wireless access point is smaller than the uplink bandwidth of the third internet-of-things wireless access point, send, to the first internet-of-things wireless access point, a second cache data migration instruction through the communication unit 503, where the second cache data migration instruction is used to instruct the first internet-of-things wireless access point to send cache data to the third internet-of-things wireless access point, and receive, through the communication unit 503, the cache data of the first internet-of-things wireless access point sent by the third internet-of-things wireless access point.
In one possible example, the processing unit 502 is further configured to send, through the communication unit 503, a mount release instruction to the first internet of things wireless access point, where the mount release instruction is used to instruct the first internet of things wireless access point to release a mounted internet of things terminal.
In a possible example, after the processing unit 502 sends the mount release instruction to the first internet of things wireless access point through the communication unit 503, the processing unit is further configured to send a first device mount instruction to the third internet of things wireless access point through the communication unit 503, where the first device mount instruction includes a device identifier of the internet of things terminal that is mounted by the first internet of things wireless access point, and the device identifier is used for the third internet of things wireless access point to mount the internet of things terminal that is mounted by the first internet of things wireless access point.
In a possible example, after the processing unit 502 sends the mount release instruction to the first internet of things wireless access point through the communication unit 503, the processing unit is further configured to send a second device mount instruction to the second internet of things wireless access point through the communication unit 503, where the second device mount instruction includes a device identifier of the internet of things terminal that is mounted by the first internet of things wireless access point, and the device identifier is used for the second internet of things wireless access point to mount the internet of things terminal that is mounted by the first internet of things wireless access point.
When the processing unit 502 is a processor, the communication unit 503 is a communication interface, and the storage unit 501 is a memory, the internet of things gateway according to the embodiment of the present invention may be the internet of things gateway shown in fig. 5B.
Referring to fig. 5B, the internet of things gateway 510 includes: a processor 512, a transceiver 513, a memory 511. Optionally, the internet of things gateway 510 may further include a bus 515. Wherein the transceiver 513, the processor 512 and the memory 511 may be connected to each other by a bus 515; the bus 515 may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The bus 515 may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 5B, but this is not intended to represent only one bus or type of bus.
The internet of things gateway shown in fig. 5A or fig. 5B may also be understood as a device for an internet of things gateway, which is not limited in the embodiment of the present invention.
Embodiments of the present invention also provide an internet of things gateway including one or more processors, memory, one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, and the program includes instructions for performing any one of the steps of the above method embodiments.
Embodiments of the present invention also provide a computer-readable storage medium, where the computer-readable storage medium stores a computer program for electronic data exchange, where the computer program makes a computer perform some or all of the steps described in the above method embodiments.
Embodiments of the present invention also provide a computer program product, wherein the computer program product comprises a non-transitory computer-readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps as described in the above method embodiments. The computer program product may be a software installation package.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a memory and includes several instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned memory comprises: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash Memory disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.
The above embodiments of the present invention are described in detail, and the principle and the implementation of the present invention are explained by applying specific embodiments, and the above description of the embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. A wireless sensor network Internet of things wireless access point exception handling method is characterized by comprising the following steps:
when the internet of things gateway detects that the state of the first internet of things wireless access point is abnormal, acquiring the uplink bandwidth of the second internet of things wireless access point and the uplink bandwidth of the third internet of things wireless access point;
when detecting that the uplink bandwidth of the second internet-of-things wireless access point is greater than or equal to the uplink bandwidth of the third internet-of-things wireless access point, the internet-of-things gateway sends a first cache data migration instruction to the first internet-of-things wireless access point, wherein the first cache data migration instruction is used for indicating the first internet-of-things wireless access point to send cache data to the second internet-of-things wireless access point;
the Internet of things gateway receives the cache data of the first Internet of things wireless access point sent by the second Internet of things wireless access point; and
the internet of things gateway sends a mount removal instruction to the first internet of things wireless access point, and the mount removal instruction is used for indicating the internet of things terminal on which the first internet of things wireless access point is mounted.
2. The method of claim 1, further comprising:
when detecting that the uplink bandwidth of the second internet-of-things wireless access point is smaller than the uplink bandwidth of the third internet-of-things wireless access point, the internet-of-things gateway sends a second cache data migration instruction to the first internet-of-things wireless access point, wherein the second cache data migration instruction is used for indicating the first internet-of-things wireless access point to send cache data to the third internet-of-things wireless access point;
and the Internet of things gateway receives the cache data of the first Internet of things wireless access point, which is sent by the third Internet of things wireless access point.
3. The method of claim 1, wherein after the IOT gateway sends a mount release instruction to the first IOT wireless access point, the method further comprises:
the internet of things gateway sends a first equipment mounting instruction to the third internet of things wireless access point, the first equipment mounting instruction comprises an equipment identification of the internet of things terminal, the first internet of things wireless access point is free of mounting, and the equipment identification is used for the third internet of things wireless access point to mount the internet of things terminal, the first internet of things wireless access point is free of mounting.
4. The method of claim 2, wherein after the IOT gateway sends a mount release instruction to the first IOT wireless access point, the method further comprises:
the Internet of things gateway sends a second equipment mounting instruction to the second Internet of things wireless access point, the second equipment mounting instruction comprises an equipment identifier of the Internet of things terminal, the first Internet of things wireless access point is relieved from mounting, and the equipment identifier is used for the second Internet of things wireless access point to mount the Internet of things terminal, the first Internet of things wireless access point is relieved from mounting.
5. An Internet of things gateway is applied to a wireless sensor network and comprises a processing unit and a communication unit,
the processing unit is used for acquiring the uplink bandwidth of the second internet-of-things wireless access point and the uplink bandwidth of the third internet-of-things wireless access point through the communication unit when the first internet-of-things wireless access point is detected to be abnormal in state; the communication unit is used for sending a first cache data migration instruction to the first internet of things wireless access point when detecting that the uplink bandwidth of the second internet of things wireless access point is greater than or equal to the uplink bandwidth of the third internet of things wireless access point, wherein the first cache data migration instruction is used for indicating the first internet of things wireless access point to send cache data to the second internet of things wireless access point and receiving the cache data of the first internet of things wireless access point sent by the second internet of things wireless access point; and
the processing unit is further used for sending a mount removal instruction to the first Internet of things wireless access point through the communication unit, wherein the mount removal instruction is used for indicating the first Internet of things wireless access point to remove the mounted Internet of things terminal.
6. The IOT gateway of claim 5, wherein the processing unit is further configured to send a second cache data migration instruction to the first IOT wireless access point through the communication unit when detecting that the uplink bandwidth of the second IOT wireless access point is smaller than the uplink bandwidth of the third IOT wireless access point, the second cache data migration instruction being configured to instruct the first IOT wireless access point to send cache data to the third IOT wireless access point, and being configured to receive the cache data of the first IOT wireless access point sent by the third IOT wireless access point through the communication unit.
7. The IOT gateway of claim 5, wherein the processing unit is further configured to send a first device mount instruction to the third IOT wireless access point through the communication unit after sending the mount release instruction to the first IOT wireless access point through the communication unit, the first device mount instruction includes a device identifier of the IOT terminal which is mounted by the first IOT wireless access point, and the device identifier is used for the third IOT wireless access point to mount the IOT terminal which is mounted by the first IOT wireless access point.
8. The gateway of internet of things of any one of claims 5 to 7, wherein the processing unit is further configured to send a second device mounting instruction to the second internet of things wireless access point through the communication unit after sending the mount release instruction to the first internet of things wireless access point through the communication unit, the second device mounting instruction includes a device identifier of the internet of things terminal which is mounted by the first internet of things wireless access point, and the device identifier is used for the second internet of things wireless access point to mount the internet of things terminal which is mounted by the first internet of things wireless access point.
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| CN201710588646.XA CN107548018B (en) | 2017-07-19 | 2017-07-19 | Method and equipment for processing abnormity of wireless access point of wireless sensor network Internet of things |
| PCT/CN2017/100875 WO2019015047A1 (en) | 2017-07-19 | 2017-09-07 | Method and device for handling internet of things access point exception in wireless sensor network |
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| CN201710588646.XA CN107548018B (en) | 2017-07-19 | 2017-07-19 | Method and equipment for processing abnormity of wireless access point of wireless sensor network Internet of things |
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| KR100970093B1 (en) * | 2008-08-29 | 2010-07-16 | 성균관대학교산학협력단 | Sensor network control method for data path setup and recovery by using the routing table and sensor network system using thereof |
| CN103052115B (en) * | 2011-10-17 | 2016-09-07 | 中国移动通信集团公司 | Data transmission method, mobile terminal, relay aggregator and related system |
| US9176832B2 (en) * | 2013-03-15 | 2015-11-03 | Cisco Technology, Inc. | Providing a backup network topology without service disruption |
| WO2015006636A1 (en) * | 2013-07-12 | 2015-01-15 | Convida Wireless, Llc | Neighbor discovery to support sleepy nodes |
| CN104602308B (en) * | 2013-10-30 | 2018-10-30 | 国际商业机器公司 | Method and system for switching over terminal between multiple wireless aps |
| CN106658576B (en) * | 2016-10-19 | 2021-03-12 | 北京三快在线科技有限公司 | Data processing method, device and network system |
| CN106572189B (en) * | 2016-11-14 | 2019-08-09 | 广州大学 | A kind of Multi-sensor intelligent monitoring system based on Internet of Things |
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