CN108834121A - A kind of bluetooth equipment ad hoc network method and system - Google Patents
A kind of bluetooth equipment ad hoc network method and system Download PDFInfo
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- CN108834121A CN108834121A CN201810707935.1A CN201810707935A CN108834121A CN 108834121 A CN108834121 A CN 108834121A CN 201810707935 A CN201810707935 A CN 201810707935A CN 108834121 A CN108834121 A CN 108834121A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Abstract
The present invention provides a kind of bluetooth equipment ad hoc network method and system.This method includes the key for receiving ad hoc network certification, to carry out the matching ad hoc network of the certification between bluetooth equipment；The distance between any two bluetooth equipment is calculated according to the received signal strength between any two bluetooth equipment；According to the shortest path route of the minimum range planning bluetooth equipment ad hoc network connection between bluetooth equipment；The connection of bluetooth equipment ad hoc network is carried out according to shortest path route.The bluetooth equipment ad hoc network method and system, successfully solve current multiple single rambling networkings of bluetooth equipment, reduce the occupancy of signal frequency range, to which interfering with each other between Bluetooth signal be reduced or avoided, interference of the Bluetooth signal to other wireless signals has also been reduced or avoided simultaneously, it ensures that the stability of multiple bluetooth equipment controls, and then more preferable better service can be provided for user.
Description
Technical field
The present invention relates to fields of communication technology, and in particular, to a kind of bluetooth equipment ad hoc network method and system.
Background technique
Existing smart home system is mainly made of intranet, gateway and extranets.Intranet is mainly to connect family
Various equipment and household electrical appliances, that is, household internal local area network, many home Intranets are still carried out by wired mode
Connection, wired connection there are difficult wiring, it is at high cost the disadvantages of, wirelessly setting up home Intranet seems especially
It is important.And currently, for example wireless wifi and zigbee of wireless mode has many disadvantages, for example wifi is there are price is relatively high,
The disadvantages of power consumption is bigger, poor mobility, networking is difficult；Difficulty is big, and cost is relatively high, transmission rate ratio in the presence of promoting by zigbee
The disadvantages of slower.With the development of mobile communication technology, the release of bluetooth 4.0 and the above standard is brought to smart home industry
Strong technical support, so that bluetooth equipment possesses extremely low operation and stand-by power consumption, therefore bluetooth equipment is in intelligent family
The field of residence uses more and more extensive.
The connection type of current home internal Bluetooth equipment is all that handheld terminal directly carries out matching company with bluetooth equipment
It connects, to control bluetooth equipment；That is, the networking of bluetooth equipment at present be it is single rambling, there are multiple bluetooths to believe
Number reach matching effect in end of scan always, this can occupy a large amount of signal frequency range, and Bluetooth signal between each other there is also
Interference causes handheld terminal control bluetooth equipment to generate interference, seriously affects the normal use of bluetooth equipment, can also be to other nothings
Line equipment has an impact.
Therefore, how to optimize bluetooth home equipment networking, have become current urgent problem to be solved.
Summary of the invention
The present invention is directed to the above-mentioned technical problems in the prior art, provides a kind of bluetooth equipment ad hoc network method and is
System.The bluetooth equipment ad hoc network method successfully solves current multiple single rambling networkings of bluetooth equipment, reduces
So that interfering with each other between Bluetooth signal be reduced or avoided, while indigo plant has also been reduced or avoided in the occupancy of signal frequency range
Interference of the tooth signal to other wireless signals ensures that the stability of multiple bluetooth equipment controls, and then can be user
More preferable better service is provided.
The present invention provides a kind of bluetooth equipment ad hoc network method, including：
Step S10：The key of ad hoc network certification is received, to carry out the matching ad hoc network of the certification between the bluetooth equipment；
Step S11：Received signal strength between the bluetooth equipment according to any two calculates bluetooth described in any two
The distance of equipment room；
Step S12：The most short of the bluetooth equipment ad hoc network connection is planned according to the minimum range between the bluetooth equipment
Path lines；
Step S13：The bluetooth equipment ad hoc network connection is carried out according to the shortest path route.
Preferably, the calculation formula of the distance between bluetooth equipment described in any two is：
D=10^ ((abs (RSSI)-A)/(10*n))；
Wherein, d is the distance between two bluetooth equipments；RSSI is that the reception signal between two bluetooth equipments is strong
Degree；Signal when A is the bluetooth equipment as transmitting terminal and is separated by 1 meter between the bluetooth equipment as receiving end is strong
Degree；N is the environmental attenuation factor.
Preferably, the step S12 includes：
Step S121：Minimum range is selected from the distance between bluetooth equipment described in any two, by the minimum range
The bluetooth equipment of connection is as first object equipment；
Step S122：The distance between other each described bluetooth equipments and each first object equipment are compared, are selected
The bluetooth equipment of minimum range connection is as the new first object equipment out；
Step S123：Judge the minimum range whether less than the first given threshold；
If it is, executing the step S122；If not, thening follow the steps S124：The shortest path layout of roads
Terminate；
Step S125：It connects each first object equipment to form the shortest path radial line according to the minimum range
Road.
Preferably, in the step S122, when other equal described bluetooth equipments of the minimum range there are two with
When upper, from the bluetooth equipment for first receiving signal is wherein selected as the new first object equipment.
Preferably, further include：The new bluetooth equipment is judged whether there is into the bluetooth equipment ad hoc network；If
It is then to execute the step S10~step S13；
Judge the received signal strength of the bluetooth equipment in the bluetooth equipment ad hoc network whether less than the second setting
Threshold value；
If it is, executing the step S10~step S13.
The present invention also provides a kind of bluetooth equipment self-organizing network systems, including：
Receiving module, for receiving the key of ad hoc network certification, to carry out the matching of the certification between the bluetooth equipment from group
Net；
Computing module calculates described in any two for the received signal strength between the bluetooth equipment according to any two
Distance between bluetooth equipment；
Planning module, for planning the bluetooth equipment ad hoc network connection according to the minimum range between the bluetooth equipment
Shortest path route；
Ad hoc network module is connected for carrying out the bluetooth equipment ad hoc network according to the shortest path route.
Preferably, the calculation formula of the distance between bluetooth equipment described in any two is：
D=10^ ((abs (RSSI)-A)/(10*n))；
Wherein, d is the distance between two bluetooth equipments；RSSI is that the reception signal between two bluetooth equipments is strong
Degree；A is the signal strength emitted when being separated by 1 meter between equipment and receiving device；N is the environmental attenuation factor.
Preferably, the planning module includes：
First comparison selecting unit will for selecting minimum range from the distance between bluetooth equipment described in any two
The bluetooth equipment of the minimum range connection is as first object equipment；
Second comparison selecting unit, for compare other each described bluetooth equipments and each first object equipment it
Between distance, select minimum range connection the bluetooth equipment as newly the first object equipment；
Whether planning terminates judging unit, for judging the minimum range less than the first given threshold；
Shortest path route forms unit, for each first object equipment to be connected shape according to the minimum range
At the shortest path route.
Preferably, the second comparison selecting unit is also used to other described bluetooth equipments equal in the minimum range
There are two it is above when, from the bluetooth equipment that first receives signal is wherein selected as the first object equipment newly.
It preferably, further include first judgment module, for judging whether there is the new bluetooth equipment into the bluetooth
Equipment ad hoc network；
Second judgment module, for judging the received signal strength of the bluetooth equipment in the bluetooth equipment ad hoc network
Whether less than the second given threshold.
Beneficial effects of the present invention：Bluetooth equipment ad hoc network method provided by the present invention and system, by according to bluetooth
The shortest path route of the minimum range planning bluetooth equipment ad hoc network connection of equipment room, and indigo plant is carried out according to shortest path route
Tooth equipment ad hoc network successfully solves current multiple single rambling networkings of bluetooth equipment, reduces signal frequency range
So that interfering with each other between Bluetooth signal be reduced or avoided, while Bluetooth signal has also been reduced or avoided to it in occupancy
The interference of his wireless signal, ensures that the stability of multiple bluetooth equipment controls, and then can provide for user more preferably more
Quality services.
Detailed description of the invention
Fig. 1 is the flow chart of bluetooth equipment ad hoc network method in the embodiment of the present invention 1；
Fig. 2 is the flow chart of bluetooth equipment ad hoc network method in the embodiment of the present invention 2；
Fig. 3 is the functional block diagram of bluetooth equipment self-organizing network system in the embodiment of the present invention 3.
Description of symbols therein：
1. receiving module；2. computing module；3. planning module；31. the first comparison selecting unit；32. the second comparison selection
Unit；33. planning terminates judging unit；34. shortest path route forms unit；4. ad hoc network module；5. first judgment module；
6. the second judgment module.
Specific embodiment
To make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and it is embodied
Mode is described in further detail a kind of bluetooth equipment ad hoc network method provided by the present invention and system.
Embodiment 1：
The present embodiment provides a kind of bluetooth equipment ad hoc network methods, as shown in Figure 1, including：
Step S10：The key of ad hoc network certification is received, to carry out the matching ad hoc network of the certification between bluetooth equipment.
In the step, each bluetooth equipment has a unique identity id, by handheld terminal (such as mobile phone) to bluetooth
Equipment is initialized, and the key of bluetooth equipment ad hoc network certification is concurrently set, and sends this key to each bluetooth
Equipment.When being broadcasted between bluetooth equipment, the key authenticated by the ad hoc network can carry out matching ad hoc network.
Step S11：According between the received signal strength calculating any two bluetooth equipment between any two bluetooth equipment
Distance.
In the step, the distance calculating between any two bluetooth equipment is in order to which the planning of subsequent shortest path route is done
Prepare.
In the step, the calculation formula of the distance between any two bluetooth equipment is：
D=10^ ((abs (RSSI)-A)/(10*n))；
Wherein, d is the distance between two bluetooth equipments；RSSI is the received signal strength between two bluetooth equipments；A is to make
Bluetooth equipment for transmitting terminal and signal strength when being separated by 1 meter between the bluetooth equipment as receiving end；N be environmental attenuation because
Son.That is the signal between two bluetooth equipments is stronger, then distance is closer therebetween.
Step S12：According to the shortest path route of the minimum range planning bluetooth equipment ad hoc network connection between bluetooth equipment.
It in the present embodiment, is attached between each bluetooth equipment by Bluetooth signal, if the distance between bluetooth equipment
Smaller, Bluetooth signal can be relatively strong, then ad hoc network connection can be carried out between bluetooth equipment；If the distance between bluetooth equipment is larger,
Bluetooth signal can be weaker or unstable, then not can be carried out ad hoc network connection between bluetooth equipment.According to shortest path between bluetooth equipment
The layout of roads for carrying out ad hoc network connection, can make the bluetooth equipment ad hoc network signal to be formed more stable.
Step S13：The connection of bluetooth equipment ad hoc network is carried out according to shortest path route.
The bluetooth equipment ad hoc network method, by planning that bluetooth equipment ad hoc network connects according to the minimum range between bluetooth equipment
The shortest path route connect, and bluetooth equipment ad hoc network is carried out according to shortest path route, successfully solve current multiple indigo plants
The rambling networking of tooth tables of equipment one, reduces the occupancy of signal frequency range, to be reduced or avoided between Bluetooth signal
Interfere with each other, while interference of the Bluetooth signal to other wireless signals has also been reduced or avoided, has ensured that multiple bluetooths
The stability of equipment control, and then more preferable better service can be provided for user.
Embodiment 2：
The present embodiment provides a kind of bluetooth equipment ad hoc network methods, as shown in Fig. 2, including：
Step S10：The key of ad hoc network certification is received, to carry out the matching ad hoc network of the certification between bluetooth equipment.
In the step, each bluetooth equipment has a unique identity id, by handheld terminal (such as mobile phone) to bluetooth
Equipment is initialized, and the key of bluetooth equipment ad hoc network certification is concurrently set, and sends this key to each bluetooth
Equipment.When being broadcasted between bluetooth equipment, the key authenticated by the ad hoc network can carry out matching ad hoc network.
Step S11：According between the received signal strength calculating any two bluetooth equipment between any two bluetooth equipment
Distance.
In the step, the distance calculating between any two bluetooth equipment is in order to which the planning of subsequent shortest path route is done
Prepare.
In the step, the calculation formula of the distance between any two bluetooth equipment is：
D=10^ ((abs (RSSI)-A)/(10*n))；
Wherein, d is the distance between two bluetooth equipments；RSSI is the received signal strength between two bluetooth equipments；A is to make
Bluetooth equipment for transmitting terminal and signal strength when being separated by 1 meter between the bluetooth equipment as receiving end；N be environmental attenuation because
Son.That is the signal between two bluetooth equipments is stronger, then distance is closer therebetween.
Step S12：According to the shortest path route of the minimum range planning bluetooth equipment ad hoc network connection between bluetooth equipment.
The step specifically includes：
Step S121：Minimum range is selected from the distance between any two bluetooth equipment, the indigo plant that minimum range is connected
Tooth equipment is as first object equipment.
Such as：In distance between any two bluetooth equipment, the distance between bluetooth equipment A1 and bluetooth equipment A2 are minimum, then
Using bluetooth equipment A1 and bluetooth equipment A2 as first object equipment.
Step S122：The distance between other each bluetooth equipments and each first object equipment are compared, most narrow spacing is selected
From the bluetooth equipment of connection as new first object equipment.
Such as：Compare the distance between other bluetooth equipments A3, A4, A5 and A6 and first object equipment A1 and other bluetooths
The distance between equipment A3, A4, A5 and A6 and first object equipment A2, if the distance between A3 and A2 are minimum, then select A3
And as new first object equipment.
In this step, when other equal bluetooth equipments of minimum range there are two it is above when, first received from wherein selecting
To signal bluetooth equipment as new first object equipment.
I.e. such as：If the distance between A3 and A2 are minimum, the distance between A4 and A1 are also minimum, and between A3 and A2 away from
It is equal with the distance between A1 from A4, and than first receiving broadcast singal between A4 and A1 between A3 and A2, then select A3 simultaneously
As new first object equipment.
Step S123：Judge minimum range whether less than the first given threshold.
Such as：In the step, judge the distance between A3 and A2 whether less than the first given threshold.
Wherein, the setting of the first given threshold will ensure to be connected to the reception signal of the bluetooth equipment at the minimum range both ends
Intensity is sufficiently strong, can steadily to carry out communication broadcast between two bluetooth equipments.If being connected to minimum range both ends
The reception signal of bluetooth equipment is weaker or does not have signal, then two bluetooth equipments can not carry out ad hoc network.
If so, thening follow the steps S122.
Such as：Compare the distance between bluetooth equipment A4, A5 and A6 and first object equipment A1, bluetooth equipment A4, A5 and A6
The distance between first object equipment A2 and the distance between bluetooth equipment A4, A5 and A6 and first object equipment A3, it is false
If the distance between A4 and A1 are minimum, then A4 is selected and as new first object equipment.In the process, if A5 with
The distance between A2 minimum, the distance between A4 and A1 are also minimum, the distance between A6 and A3 or minimum, and between A5 and A2
The distance between distance, A4 and A1 and the distance between A6 and A3 be equal, and than between A5 and A2 and A6 between A4 and A1
Broadcast singal is first received between A3, then selects A4 and as new first object equipment.
If not, thening follow the steps S124：Shortest path layout of roads terminates.I.e. if being connected to minimum range both ends
The reception signal of bluetooth equipment is weaker or does not have signal, then two bluetooth equipments can not carry out ad hoc network, shortest path layout of roads
Terminate.
Step S125：It connects each first object equipment to form shortest path route according to minimum range.
Step S13：The connection of bluetooth equipment ad hoc network is carried out according to shortest path route.
It in the present embodiment, is attached between each bluetooth equipment by Bluetooth signal, if the distance between bluetooth equipment
Smaller, Bluetooth signal can be relatively strong, then ad hoc network connection can be carried out between bluetooth equipment；If the distance between bluetooth equipment is larger,
Bluetooth signal can be weaker or unstable, then not can be carried out ad hoc network connection between bluetooth equipment.Step S121~step S125 is set
It sets, can make to carry out the layout of roads of ad hoc network connection according to shortest path between bluetooth equipment, to make the bluetooth equipment to be formed certainly
Networking signal is more stable.In addition, the bluetooth equipment ad hoc network formed by step S121~step S125, successfully solves
Current multiple single rambling networkings of bluetooth equipment, reduce the occupancy of signal frequency range, so that indigo plant be reduced or avoided
Interfering with each other between tooth signal, while interference of the Bluetooth signal to other wireless signals has also been reduced or avoided, so as to
More preferable better service is provided for user.
In the present embodiment, after the completion of bluetooth equipment ad hoc network, shortest path route that bluetooth equipment is connected according to ad hoc network
It is interconnected.Bluetooth equipment in each ad hoc network according to the pulse condition of its sensor settings, carry out data be connected
The reading and storage of other bluetooth equipment data connect are then transferred to other bluetooth equipments being connected.Each bluetooth equipment
After the data information for receiving the transmission of other bluetooth equipments, the duplicate message in data information can be cleared up, then be protected
It deposits；The data information that each bluetooth equipment saves it carries out periodical cleaning, has both reduced data information transmission in this way to letter
A large amount of occupancy of number section, and can prevent the useful data information of bluetooth equipment in the near future from losing.
In the present embodiment, handheld device is realized by the connection with bluetooth equipment and is controlled the automatically scanning of bluetooth equipment.
The stronger bluetooth equipment point of received signal strength carries out matching connection in handheld device selection ad hoc network, and handheld device only need to be with
A bluetooth equipment in ad hoc network establishes connection, that is, can control all bluetooth equipments in entire ad hoc network.Handheld device with
After a bluetooth equipment in ad hoc network establishes connection, which is sent to hand for newest whole network equipment three-point state information
Holding equipment, handheld device control whole network equipment point by app.Middle handheld device and multiple bluetooths compared with the prior art
One-to-one correspondence between equipment matches connection, greatly reduces the occupancy of signal frequency range, at the same also reduce Bluetooth signal it
Between interfere with each other with handheld device control bluetooth equipment control signal interference, ensure that bluetooth equipment normally make
With.
When the signal strength of handset connection bluetooth equipment is less than certain value, handheld device re-starts ad hoc network
Scanning, selects the stronger bluetooth equipment of new signal to carry out matching connection.
In the present embodiment, bluetooth equipment ad hoc network method further includes：
Step S08：It judges whether there is new bluetooth equipment and enters bluetooth equipment ad hoc network.
If so, thening follow the steps S10~step S13.
Step S09：Judge the received signal strength of the bluetooth equipment in bluetooth equipment ad hoc network whether less than the second setting
Threshold value.
If so, thening follow the steps S10~step S13.
The setting of the second given threshold is to be connected to the reception of the bluetooth equipment at the minimum range both ends in step S09
Signal strength is weak enough, so as to can not carry out communication broadcast between two bluetooth equipments, i.e., if the reception signal of bluetooth equipment is strong
Degree is less than the second given threshold, then it represents that the bluetooth equipment can not be attached with bluetooth equipment ad hoc network, i.e. the bluetooth equipment
Bluetooth equipment ad hoc network is had been detached from.Second given threshold be in order to judge whether to have in former ad hoc network bluetooth equipment departing from
Ad hoc network.
When there is new bluetooth equipment to enter bluetooth equipment ad hoc network or working as has bluetooth equipment to be detached from former bluetooth equipment certainly
When networking, changes will occur for the shortest path route of former ad hoc network, i.e., former shortest path route will no longer be shortest path shape
At route, need to plan shortest path route again.
The beneficial effect of embodiment 1-2：Bluetooth equipment ad hoc network method provided in embodiment 1-2, by according to indigo plant
The shortest path route of the minimum range planning bluetooth equipment ad hoc network connection of tooth equipment room, and carried out according to shortest path route
Bluetooth equipment ad hoc network successfully solves current multiple single rambling networkings of bluetooth equipment, reduces signal frequency range
Occupancy, so that interfering with each other between Bluetooth signal be reduced or avoided, while Bluetooth signal pair has also been reduced or avoided
The interference of other wireless signals, ensures that the stability of multiple bluetooth equipment controls, and then can provide for user more preferably
Better service.
Embodiment 3：
Based on the bluetooth equipment ad hoc network method in Examples 1 and 2, the present embodiment provides a kind of bluetooth equipment ad hoc network systems
System, as shown in figure 3, including：Receiving module 1, for receiving the key of ad hoc network certification, to carry out the certification between bluetooth equipment
With ad hoc network.Computing module 2 is set for calculating any two bluetooth according to the received signal strength between any two bluetooth equipment
Distance between standby.Planning module 3, for according to the most short of the minimum range planning bluetooth equipment ad hoc network connection between bluetooth equipment
Path lines.Ad hoc network module 4, for carrying out the connection of bluetooth equipment ad hoc network according to shortest path route.
By the way that planning module 3 is arranged, current multiple single rambling networkings of bluetooth equipment are successfully solved, are reduced
The occupancy of signal frequency range, so that interfering with each other between Bluetooth signal be reduced or avoided, while being also reduced or avoided
Interference of the Bluetooth signal to other wireless signals ensures that the stability of multiple bluetooth equipment controls.
Wherein, the calculation formula of the distance between any two bluetooth equipment is：
D=10^ ((abs (RSSI)-A)/(10*n)).
Wherein, d is the distance between two bluetooth equipments；RSSI is the received signal strength between two bluetooth equipments；A is hair
Signal strength when being separated by 1 meter between jet device and receiving device；N is the environmental attenuation factor.
In the present embodiment, planning module 3 includes：First comparison selecting unit 31, for between any two bluetooth equipment
Distance in select minimum range, using minimum range connection bluetooth equipment as first object equipment.Second comparison selection is single
Member 32 selects minimum range connection for comparing the distance between other each bluetooth equipments and each first object equipment
Bluetooth equipment is as new first object equipment.Whether planning terminates judging unit 33, for judging minimum range less than first
Given threshold.Shortest path route forms unit 34, to be formed most for connecting each first object equipment according to minimum range
Short path route.
First comparison selecting unit 31, second compares selecting unit 32, planning terminates judging unit 33 and shortest path radial line
Road forms the setting of unit 34, can not only make the layout of roads for carrying out ad hoc network connection between bluetooth equipment according to shortest path, from
And keep the bluetooth equipment ad hoc network signal to be formed more stable；But also it is single miscellaneous to successfully solve current multiple bluetooth equipments
The disorderly networking without chapter, reduces the occupancy of signal frequency range, so that interfering with each other between Bluetooth signal has been reduced or avoided, together
When interference of the Bluetooth signal to other wireless signals has also been reduced or avoided.
Wherein, the second comparison selecting unit 32 is also used in other equal bluetooth equipments of minimum range there are two more than
When, from the bluetooth equipment for first receiving signal is wherein selected as new first object equipment.
In the present embodiment, bluetooth equipment self-organizing network system further includes first judgment module 5, for judging whether there is new indigo plant
Tooth equipment enters bluetooth equipment ad hoc network.Second judgment module 6, for judging connecing for the bluetooth equipment in bluetooth equipment ad hoc network
Signal strength is received whether less than the second given threshold.Second judgment module 6 is really for judging in former bluetooth equipment ad hoc network
Whether there is bluetooth equipment departing from the ad hoc network.
The beneficial effect of embodiment 3：Bluetooth equipment self-organizing network system provided in embodiment 3 receives mould by setting
Block, computing module, planning module and ad hoc network module successfully solve current single rambling group of multiple bluetooth equipments
Net, reduces the occupancy of signal frequency range, so that interfering with each other between Bluetooth signal be reduced or avoided, while also reduce or
Interference of the Bluetooth signal to other wireless signals is avoided, ensures that the stability of multiple bluetooth equipment controls, Jin Erneng
Enough more preferable better service is provided for user.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of bluetooth equipment ad hoc network method, which is characterized in that including：
Step S10：The key of ad hoc network certification is received, to carry out the matching ad hoc network of the certification between the bluetooth equipment；
Step S11：Received signal strength between the bluetooth equipment according to any two calculates bluetooth equipment described in any two
Between distance；
Step S12：The shortest path of the bluetooth equipment ad hoc network connection is planned according to the minimum range between the bluetooth equipment
Route；
Step S13：The bluetooth equipment ad hoc network connection is carried out according to the shortest path route.
2. bluetooth equipment ad hoc network method according to claim 1, which is characterized in that between bluetooth equipment described in any two
The calculation formula of distance be：
D=10^ ((abs (RSSI)-A)/(10*n))；
Wherein, d is the distance between two bluetooth equipments；RSSI is the received signal strength between two bluetooth equipments；A
For the bluetooth equipment as transmitting terminal and as signal strength when being separated by 1 meter between the bluetooth equipment of receiving end；n
For the environmental attenuation factor.
3. bluetooth equipment ad hoc network method according to claim 2, which is characterized in that the step S12 includes：
Step S121：Minimum range is selected from the distance between bluetooth equipment described in any two, the minimum range is connected
The bluetooth equipment as first object equipment；
Step S122：The distance between other each described bluetooth equipments and each first object equipment are compared, are selected most
The bluetooth equipment of small distance connection is as the new first object equipment；
Step S123：Judge the minimum range whether less than the first given threshold；
If it is, executing the step S122；If not, thening follow the steps S124：The shortest path layout of roads terminates；
Step S125：It connects each first object equipment to form the shortest path route according to the minimum range.
4. bluetooth equipment ad hoc network method according to claim 3, which is characterized in that in the step S122, work as institute
State other equal described bluetooth equipments of minimum range there are two it is above when, from wherein selecting the bluetooth for first receiving signal
Equipment is as the new first object equipment.
5. bluetooth equipment ad hoc network method according to claim 1, which is characterized in that further include：It judges whether there is new
The bluetooth equipment enters the bluetooth equipment ad hoc network；If it is, executing the step S10~step S13；
Judge the received signal strength of the bluetooth equipment in the bluetooth equipment ad hoc network whether less than the second given threshold；
If it is, executing the step S10~step S13.
6. a kind of bluetooth equipment self-organizing network system, which is characterized in that including：
Receiving module, for receiving the key of ad hoc network certification, to carry out the matching ad hoc network of the certification between the bluetooth equipment；
Computing module calculates bluetooth described in any two for the received signal strength between the bluetooth equipment according to any two
The distance of equipment room；
Planning module, for planning the most short of the bluetooth equipment ad hoc network connection according to the minimum range between the bluetooth equipment
Path lines；
Ad hoc network module is connected for carrying out the bluetooth equipment ad hoc network according to the shortest path route.
7. bluetooth equipment self-organizing network system according to claim 6, which is characterized in that between bluetooth equipment described in any two
The calculation formula of distance be：
D=10^ ((abs (RSSI)-A)/(10*n))；
Wherein, d is the distance between two bluetooth equipments；RSSI is the received signal strength between two bluetooth equipments；A
Signal strength when being separated by 1 meter between transmitting equipment and receiving device；N is the environmental attenuation factor.
8. bluetooth equipment self-organizing network system according to claim 7, which is characterized in that the planning module includes：
First comparison selecting unit will be described for selecting minimum range from the distance between bluetooth equipment described in any two
The bluetooth equipment of minimum range connection is as first object equipment；
Second comparison selecting unit, for comparing between other each described bluetooth equipments and each first object equipment
Distance selects the bluetooth equipment of minimum range connection as the new first object equipment；
Whether planning terminates judging unit, for judging the minimum range less than the first given threshold；
Shortest path route forms unit, for connecting to form institute each first object equipment according to the minimum range
State shortest path route.
9. bluetooth equipment self-organizing network system according to claim 8, which is characterized in that the second comparison selecting unit is also
For other equal described bluetooth equipments of the minimum range there are two it is above when, first receive signal from wherein selecting
The bluetooth equipment is as the new first object equipment.
10. bluetooth equipment self-organizing network system according to claim 6, which is characterized in that further include first judgment module, use
Enter the bluetooth equipment ad hoc network in judging whether there is the new bluetooth equipment；
Second judgment module, for judge the bluetooth equipment in the bluetooth equipment ad hoc network received signal strength whether
Less than the second given threshold.
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