CN106376034B - Method and system for rapidly acquiring state of equipment in wireless Mesh network - Google Patents
Method and system for rapidly acquiring state of equipment in wireless Mesh network Download PDFInfo
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- CN106376034B CN106376034B CN201610909855.5A CN201610909855A CN106376034B CN 106376034 B CN106376034 B CN 106376034B CN 201610909855 A CN201610909855 A CN 201610909855A CN 106376034 B CN106376034 B CN 106376034B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
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Abstract
The invention discloses a method and a system for rapidly acquiring the state of equipment in a wireless Mesh network, wherein the method comprises the steps of setting a state database for managing the state of each equipment in the wireless Mesh network; acquiring the latest state of each device in the wireless Mesh network through a state database; therefore, after the new device is added into the wireless Mesh network, the state database is directly accessed, and the state of each device can be obtained. The speed of acquiring the states of other devices by the newly added device is improved.
Description
Technical Field
The invention relates to the field of network communication, in particular to a method and a system for rapidly acquiring the state of equipment in a wireless Mesh network.
Background
In the conventional technical scheme, when a new device such as a controller joins the established wireless Mesh network, the controller wants to know the states of the devices in the network, such as the brightness of a lamp, the temperature of an air conditioner, and the like. As the controller needs to be adjusted on an existing basis. The conventional technology requires a controller to initiate access to each device one by one to obtain the device status. If the number of devices in the network is larger at this time, the time for acquiring the device status is longer.
Or the controller needs to access a specific network management control device to acquire the status of other devices. However, in the wireless Mesh network, each device has no role in the network, each device is a common node in the network, and if the device is specially added to a network management control device, the cost is increased, and the consistency of the network is damaged.
Thus, the prior art has yet to be improved and enhanced.
Disclosure of Invention
In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a method and a system for rapidly acquiring states of devices in a wireless Mesh network, so as to increase the speed of acquiring states of other devices by a newly-added device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for rapidly acquiring the state of equipment in a wireless Mesh network comprises the following steps:
A. setting a state database for managing the state of each device in the wireless Mesh network;
B. the state database acquires the latest state of each device in the wireless Mesh network;
C. and after the new equipment is added into the wireless Mesh network, accessing the state database to acquire the state of each equipment.
In the method for rapidly acquiring the state of the equipment in the wireless Mesh network, the state database is stored in any one or more equipment in the wireless Mesh network.
In the method for rapidly acquiring the state of the device in the wireless Mesh network, the step B specifically includes the following steps:
b1, after the state of the device in the wireless Mesh network is updated, sending a new state to the device in charge of storing a state database;
and B2, after the equipment in charge of storing the state database receives the notification of the update state of other equipment, updating the state database in real time.
In the method for rapidly acquiring the state of the device in the wireless Mesh network, the step B specifically includes the following steps:
b1', each device in the wireless Mesh network sends the current state to the device in charge of storing the state database every first preset time;
b2', the device in charge of storing state database receives the state information of other devices, finds out the previous state of the corresponding device from the state database, compares it with the new received state, and updates the state database if there is a state change.
In the method for rapidly acquiring the state of the device in the wireless Mesh network, the step B specifically includes the following steps:
b1 '', the device responsible for storing the state database detects the state of each device in the wireless Mesh network;
b2 '', when the detected device has no update state in the second preset time, the device in charge of storing the state database initiates access to the device which has no update state in the second preset time, and requires the device to feed back the current state; after receiving the feedback status, the previous status of the device in the status database is compared with the newly received status and the status database is updated if there is a change in status.
A system for rapidly acquiring the status of devices within a wireless Mesh network, the system comprising:
the state database is arranged in the wireless Mesh network and used for managing the state of each device in the wireless Mesh network and acquiring the latest state of each device;
and the new equipment is used for accessing the state database after the new equipment is added into the wireless Mesh network to acquire the state of each equipment.
In the system for rapidly acquiring the state of the equipment in the wireless Mesh network, the state database is stored in any one or more equipment in the wireless Mesh network.
In the system for rapidly acquiring the state of the equipment in the wireless Mesh network, the equipment in the wireless Mesh network is used for sending a new state to the equipment in charge of storing the state database after the state of the equipment in the wireless Mesh network is updated; and the equipment in charge of storing the state database is used for updating the state database in real time after receiving the notification of updating the state of other equipment.
In the system for rapidly acquiring the state of the equipment in the wireless Mesh network, each equipment in the wireless Mesh network is used for sending the current state of the equipment to the equipment in charge of storing the state database every other first preset time; the equipment responsible for storing the state database is used for finding out the previous state of the corresponding equipment from the state database after receiving the state information of other equipment, comparing the previous state with the newly received state, and updating the state database if the state changes.
In the system for rapidly acquiring the states of the devices in the wireless Mesh network, the device responsible for storing the state database is used for detecting the states of all the devices in the wireless Mesh network; when the detected equipment does not update in the second preset time, the equipment in charge of storing the state database initiates access to the equipment which does not update in the second preset time, and requires the equipment to feed back the current state; after receiving the feedback status, the previous status of the device in the status database is compared with the newly received status and the status database is updated if there is a change in status.
Compared with the prior art, the invention provides a method and a system for rapidly acquiring the state of equipment in a wireless Mesh network, wherein the method comprises the steps of setting a state database for managing the state of each equipment in the wireless Mesh network; acquiring the latest state of each device in the wireless Mesh network through a state database; therefore, after the new device is added into the wireless Mesh network, the state database is directly accessed, and the state of each device can be obtained. The speed of acquiring the states of other devices by the newly added device is improved.
Drawings
Fig. 1 is a flowchart of a method for rapidly acquiring a status of a device in a wireless Mesh network according to the present invention.
Fig. 2 is a block diagram of a system for rapidly acquiring the status of devices in a wireless Mesh network according to the present invention.
Detailed Description
The invention provides a method and a system for rapidly acquiring the state of equipment in a wireless Mesh network. In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a method for rapidly acquiring the state of equipment in a wireless Mesh network, referring to fig. 1, the method comprises the following steps:
s10, setting a status database for managing statuses of each device in the wireless Mesh network, specifically, in the wireless Mesh network, under the condition that there is no network management control device, adding a status database for managing statuses of devices, where the status database is stored in any one or more devices in the wireless Mesh network, and each device may store a complete status database, or store a part of the status database and then cooperate with other devices storing another part of the status database to implement a function of the complete status database; and the state database may have multiple copies stored in any number of devices in the network.
Further, the step of storing the partial state database of the device and then matching with other devices storing the other partial state databases to realize the function of the complete state database specifically includes:
s110, when the storage space of the device a storing the state database is about to be used up (i.e. the remaining storage space reaches the warning value), and a new device joins at this time, the device a initiates an invitation to the adjacent (preferably nearest) device b to jointly form the complete state database.
S120, after receiving the invitation, the device b judges whether the device b has the condition of becoming a state database; if the device a does not have the condition of becoming the state database, refusing to respond to the device a, and then initiating an invitation to other devices (next adjacent devices or second-approaching devices) by the device a; if the device b has the condition of becoming the state database, the response of the device a is received, the device a identifies itself as a 'combined database' and a 'first database', 'a next database pointer' points to the device b, and the device b also identifies itself as a 'combined database'. If the device b is the device storing the state database, sending a result of the suspension processing response to the device a, initiating an invitation to other devices by the device a preferentially, judging whether more suitable devices form a complete database together (the strategy is to find common devices first, and if not, find the device storing the state database with the smallest storage space), and if the device a finds other devices to store the state database, sending the suspension invitation to the device b; if the device a does not find other devices to store the state database, the device a initiates an invitation to the device b again, at this time, the device a and the device b merge the databases and delete the repeated data, the device a is marked as a 'combined database' and a 'first database', the 'next database pointer' points to the device b, and the device b is also marked as a 'combined database'. If device a cannot always find other devices to store the status database, then device a identifies itself as an 'incomplete database'. The device a preferentially searches for the smallest storage space, so that after the database is merged with the device b, capacity alarm can not occur in a short time, and the process of merging the database can be reduced. If the device a preferentially searches for the device b with the smallest storage space, the device b with the smallest storage space will have capacity alarm at the time, and the system will have a second database combination, which is not favorable for process optimization.
If the remaining storage space of the device b also reaches the warning value, the process of finding the device b by the device a is repeated to find a suitable device c to jointly form a complete state database, and the difference is that the device b does not identify itself as the 'first database', but only points the 'next database pointer' to the device c, and the device c also identifies itself as the 'combined database'. The devices a, b, c then together form a complete state database. Therefore, by the method, the wireless Mesh network can be free from the limitation of the number of the devices and even infinitely expanded, and the speed of acquiring the states of other devices by the newly-added device is not influenced.
S20, the state database acquires the latest state of each device in the wireless Mesh network. Further, the step of the state database acquiring the latest state of each device in the wireless Mesh network has three specific schemes: scheme one, scheme two and scheme three.
The first scheme comprises the following steps:
s210, after the state of the equipment in the wireless Mesh network is updated, sending a new state to the equipment in charge of storing a state database;
and S220, after the equipment in charge of storing the state database receives the notification of the update state of other equipment, updating the state database in real time.
The second scheme comprises the following steps:
s210', each device in the wireless Mesh network sends the current state of the device per se to a device in charge of storing a state database every first preset time; the first preset time is set according to actual needs.
S220', the device in charge of storing the state database finds out the previous state of the corresponding device from the state database after receiving the state information of other devices, compares the previous state with the newly received state, and updates the state database if the state changes.
The third scheme comprises the following steps:
s210', the equipment in charge of storing the state database detects the state of each equipment in the wireless Mesh network;
s220 '', when the detected equipment is not in the updated state within the second preset time, the equipment which is responsible for storing the state database initiates access to the equipment which is not in the updated state within the second preset time, and the equipment is required to feed back the current state; after receiving the feedback status, the previous status of the device in the status database is compared with the newly received status and the status database is updated if there is a change in status. The second preset time is set according to actual needs.
And S30, the new device accesses the state database after being added into the wireless Mesh network, and the state of each device is obtained. The new device is a device to be added or newly added to the wireless Mesh network. In other words, after a new device joins (connects) the wireless Mesh network through a certain device, the state of each device can be acquired only by accessing the state database without directly accessing the device. Therefore, the speed of acquiring the states of other devices by the newly-added device is improved.
Further, the step S30 includes:
s310, if the new device is a functional device (namely, a controlled device), the new device is paired with a non-functional device (namely, a controller and a control device) in the network before joining the wireless Mesh network; after pairing, the non-functional device sends the address of the state database to the new device, and the new device stores the network ID of at least one state database device, thereby requiring the state database device to feed back the states of other devices in the network.
S320, if the new device is a non-functional device (controller), acquiring the network ID of at least one state database device from the nearest device, and then acquiring the network IDs of all database devices from the state database; requiring the state database device to feed back the state of other devices within the network.
Further, the step S30 includes notifying, after the new device joins the wireless Mesh network, that the device in charge of storing the status database has the new device joined, and joining the self status to the status database.
A specific embodiment of the method for rapidly acquiring the state of the device in the wireless Mesh network according to the present invention will now be described.
In this embodiment, the wireless Mesh network is a bluetooth-based wireless Mesh smart home network, and each device in the network stores a state database containing states of all devices in the network. When the status of a device within the network changes, the device broadcasts its new status. If the user selects the mode of a group of scene lamps in the living room through the intelligent switch on the wall surface (the color and the brightness of each lamp are not consistent), each scene lamp broadcasts the latest color and brightness state through the own Bluetooth. Then other devices receive the new status of each scene light and update the status of each scene light in their own status database. For example, one of the air conditioners or scene light groups above the sofa receives the new status of all scene lights and updates its own database. When a user sits on the sofa, the user finds that the brightness of one or more scene lamps is not proper, takes out the mobile phone, adds the Bluetooth function on the mobile phone into a network as a controller to control the brightness of the lamp group, the mobile phone can be connected with the nearest equipment of the user, the mobile phone can be an air conditioner or a lamp above the sofa, the state of all equipment in the network can be obtained from the equipment after the mobile phone is connected with the equipment in the network, and the equipment does not need to be accessed in the network to obtain state information. At this time, the user can quickly obtain the information of the scene lamp group to adjust the brightness on the basis of the original brightness state.
Before sleeping, a user wants to confirm the states of the whole household appliances, such as whether a door lock is locked, whether the temperature of a refrigerator is proper, whether gas is good, and the like. The user takes out the tablet personal computer from the bed and joins the network through the Bluetooth, and the states of all devices in the network can be immediately obtained from the database of the bedroom lamp. Without the database, the tablet computer needs to access the whole household appliance, and due to the limited coverage of bluetooth and the obstruction of the wall, the remote devices need to be accessed through multiple relays, so that the whole process of acquiring the state information becomes very long.
The user newly installs a temperature sensor, and the temperature sensor joins in the intelligent network of family, and the temperature sensor can broadcast information such as own identification number and current indoor temperature. The device (e.g., a television set-top box) responsible for storing the device status database discovers the broadcast and discovers that the temperature sensor does not exist in the database, and a new entry is added to the database. If the temperature sensor also has the function of storing a device state database, the database is copied from the television set top box to the temperature sensor, and then the states of other devices are collected.
Therefore, the method for rapidly acquiring the state of the equipment in the wireless Mesh network can improve the speed of acquiring the states of other equipment in the network by a user, is convenient for the user to control the equipment needing to be controlled in the network, and is very convenient and fast.
Based on the method for rapidly acquiring the state of the device in the wireless Mesh network provided by the embodiment, the invention also provides a system for rapidly acquiring the state of the device in the wireless Mesh network. Referring to fig. 2, the system includes a new device 10 and a state database disposed within the wireless Mesh network 20.
The state database is used for managing the state of each device in the wireless Mesh network and acquiring the latest state of each device. The wireless Mesh network 20 does not include a network management control device. The state database is stored in any one or more devices in the wireless Mesh network, and each device can store a complete state database, or store a part of the state database and then realize the function of the complete state database by matching with other devices storing other parts of the state databases; and the state database may have multiple copies stored in any number of devices in the network.
Further, the state database of the device storage part is then matched with other devices storing other part of state databases to realize the function of the complete state database, and the method specifically comprises the following steps:
the device a storing the state database is used for initiating an invitation to the adjacent (preferably nearest) device b to jointly form the complete state database when the own storage space is used up (namely the residual storage space reaches the warning value); when the device b rejects the response, initiating an invitation to the other device (the next-nearest device or the second-nearest device); when device b accepts the response, device a identifies itself as 'combined database' and 'first database', 'next database pointer' pointing to device b; when receiving a result of a suspension processing response sent by a device b, the device a preferentially initiates an invitation to other devices, judges whether more suitable devices form a complete database together (the strategy is to find common devices first, and if not, then find the device storing the state database with the smallest storage space), and if the device a finds other devices to store the state database, sends the suspension invitation to the device b; if the device a does not find other devices to store the state database, the device a initiates an invitation to the device b again, at this time, the device a and the device b merge the databases and delete the repeated data, the device a is marked as a 'combined database' and a 'first database', the 'next database pointer' points to the device b, and the device b is also marked as a 'combined database'. If device a cannot always find other devices to store the status database, then device a identifies itself as an 'incomplete database'.
The device b is used for judging whether the device b has the condition of becoming a state database after receiving the invitation; if the device does not have the condition of becoming the state database, rejecting the response device a; if the device has the condition of becoming the state database, the response of the device a is received, and the device is marked as the 'combined database'. And when the device b is the device with the state database stored therein, sending a result of the suspension processing response to the device a.
If the remaining storage space of the device b also reaches the warning value, the process of finding the device b by the device a is repeated to find a suitable device c to jointly form a complete state database, and the difference is that the device b does not identify itself as the 'first database', but only points the 'next database pointer' to the device c, and the device c also identifies itself as the 'combined database'. The devices a, b, c then together form a complete state database. Therefore, the wireless Mesh network can not be limited by the number of the devices and even infinitely expanded, and the speed of acquiring the states of other devices by the newly-added device is not influenced.
The new device 10 is configured to access the status database after joining the wireless Mesh network, and obtain the status of each device.
In the system, the wireless Mesh network has three schemes, so that the state database can acquire the latest state of each device in the network.
Wherein, scheme one includes:
the device in the wireless Mesh network is used for sending a new state to the device responsible for storing the state database after the state of the device is updated;
and the equipment in charge of storing the state database is used for updating the state database in real time after receiving the notification of updating the state of other equipment.
The second scheme comprises the following steps:
each device in the wireless Mesh network is used for sending the current state of the device per se to a device in charge of storing a state database at intervals of first preset time;
the device a in charge of storing the state database is used for finding out the previous state of the corresponding device from the state database after receiving the state information of other devices, comparing the previous state with the newly received state, and updating the state database if the state changes.
The third scheme comprises the following steps:
the device a responsible for storing the state database is used for detecting the state of each device in the wireless Mesh network; when the detected equipment does not update in the second preset time, the equipment in charge of storing the state database initiates access to the equipment which does not update in the second preset time, and requires the equipment to feed back the current state; after receiving the feedback status, the previous status of the device in the status database is compared with the newly received status and the status database is updated if there is a change in status.
And the new device is also used for informing the device which is responsible for storing the state database that the new device is added after the new device is added into the wireless Mesh network, and adding the self state into the state database.
Since the characteristics and principles of the system for rapidly acquiring the state of the device in the wireless Mesh network have been described in detail in the method embodiment, no further description is given here.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (8)
1. A method for rapidly acquiring the state of equipment in a wireless Mesh network is characterized by comprising the following steps:
A. setting a state database for managing the state of each device in the wireless Mesh network;
B. the state database acquires the latest state of each device in the wireless Mesh network;
C. the new equipment accesses the state database after joining the wireless Mesh network to acquire the state of each equipment;
the state database is stored in any one or more devices in the wireless Mesh network;
when the residual storage space of the equipment stored with the state database reaches an alert value and new equipment is added, the equipment stored with the state database initiates an invitation to the adjacent equipment to jointly form a complete state database;
after receiving the invitation, the adjacent equipment judges whether the equipment has the condition of becoming a state database; if the device does not have the condition of becoming the state database, refusing to respond to the device stored with the state database, and then initiating an invitation to other devices by the device stored with the state database; and if the adjacent equipment has the condition of becoming the state database, receiving the response of the equipment stored with the state database, wherein the equipment identifier stored with the state database is a 'combined database' and a 'first database'.
2. The method for rapidly acquiring the status of the device in the wireless Mesh network according to claim 1, wherein the step B specifically comprises the following steps:
b1, after the state of the device in the wireless Mesh network is updated, sending a new state to the device in charge of storing a state database;
and B2, after the equipment in charge of storing the state database receives the notification of the update state of other equipment, updating the state database in real time.
3. The method for rapidly acquiring the status of the device in the wireless Mesh network according to claim 1, wherein the step B specifically comprises the following steps:
b1', each device in the wireless Mesh network sends the current state to the device in charge of storing the state database every first preset time;
b2', the device in charge of storing state database receives the state information of other devices, finds out the previous state of the corresponding device from the state database, compares it with the new received state, and updates the state database if there is a state change.
4. The method for rapidly acquiring the status of the device in the wireless Mesh network according to claim 1, wherein the step B specifically comprises the following steps:
b1', the equipment responsible for storing the state database detects the state of each equipment in the wireless Mesh network;
b2', when the detected device does not update in the second preset time, the device in charge of storing the state database initiates access to the device which does not update in the second preset time, and requires the device to feed back the current state; after receiving the feedback status, the previous status of the device in the status database is compared with the newly received status and the status database is updated if there is a change in status.
5. A system for rapidly acquiring the status of devices in a wireless Mesh network, the system comprising:
the state database is arranged in the wireless Mesh network and used for managing the state of each device in the wireless Mesh network and acquiring the latest state of each device;
the new device is used for accessing the state database after joining the wireless Mesh network to acquire the state of each device;
the state database is stored in any one or more devices in the wireless Mesh network;
when the residual storage space of the equipment stored with the state database reaches an alert value and new equipment is added, the equipment stored with the state database initiates an invitation to the adjacent equipment to jointly form a complete state database;
after receiving the invitation, the adjacent equipment judges whether the equipment has the condition of becoming a state database; if the device does not have the condition of becoming the state database, refusing to respond to the device stored with the state database, and then initiating an invitation to other devices by the device stored with the state database; and if the adjacent equipment has the condition of becoming the state database, receiving the response of the equipment stored with the state database, wherein the equipment identifier stored with the state database is a 'combined database' and a 'first database'.
6. The system for rapidly acquiring the status of the devices in the wireless Mesh network as claimed in claim 5, wherein the devices in the wireless Mesh network are configured to send new status to the device responsible for storing the status database after updating the status of the devices; and the equipment in charge of storing the state database is used for updating the state database in real time after receiving the notification of updating the state of other equipment.
7. The system for rapidly acquiring the status of the devices in the wireless Mesh network as claimed in claim 5, wherein each device in the wireless Mesh network is configured to send its current status to the device in charge of storing the status database every first predetermined time; the equipment responsible for storing the state database is used for finding out the previous state of the corresponding equipment from the state database after receiving the state information of other equipment, comparing the previous state with the newly received state, and updating the state database if the state changes.
8. The system for rapidly acquiring the status of the devices in the wireless Mesh network as claimed in claim 5, wherein the device responsible for storing the status database is configured to detect the status of each device in the wireless Mesh network; when the detected equipment does not update in the second preset time, the equipment in charge of storing the state database initiates access to the equipment which does not update in the second preset time, and requires the equipment to feed back the current state; after receiving the feedback status, the previous status of the device in the status database is compared with the newly received status and the status database is updated if there is a change in status.
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| CN105515853B (en) * | 2015-12-03 | 2019-01-11 | 泰凌微电子（上海）有限公司 | The node and its state updating method of wireless network |
| CN105334745A (en) * | 2015-12-15 | 2016-02-17 | 重庆财信合同能源管理有限公司 | Intelligent home management system based on cloud platform |
| CN105739322A (en) * | 2016-05-05 | 2016-07-06 | 杭州古北电子科技有限公司 | Intelligent engine system and intelligent household system |
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