CN105792192B - Wireless communications method and system - Google Patents
Wireless communications method and system Download PDFInfo
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- CN105792192B CN105792192B CN201610104268.9A CN201610104268A CN105792192B CN 105792192 B CN105792192 B CN 105792192B CN 201610104268 A CN201610104268 A CN 201610104268A CN 105792192 B CN105792192 B CN 105792192B
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- switching sequence
- packet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
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- Computer Networks & Wireless Communication (AREA)
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- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the invention discloses a kind of wireless communications method and system, methods described includes generation forwarding step：Generate and send the packet containing random data start bit S and the first random number X；Receive calculation procedure：Received data packet, channel switching sequence is calculated according to packet and default function formula；And synchronous transfer step：Correspondence identical channel is switched to according to channel switching sequence, sends, receive the transmission that presupposed information is carried out after synchronizing signal, repeat this step repeatedly until presupposed information end of transmission.The embodiment of the present invention is by proposing a kind of wireless communications method and system, channel switching sequence is calculated according to packet and default function formula, and according to channel switching sequence synchronism switching channel to carry out the transmission of presupposed information, solve the monitored attack of channel, and then account, password are the problem of be stolen, communications security is improved with simple technological means and relatively low cost.
Description
Technical field
The present invention relates to radio communication and internet of things field, more particularly to a kind of wireless communications method and system.
Background technology
Existing such as WiFi cordless communication networks, although live through the cipher modes such as WEP, WPA and WPA2 but remain unchanged
Packet capturing analysis can be carried out by wireless sniff instrument by hacker and then cracked, the Internet of Things WIFI module configuration skill risen recently
Still there is same potential safety hazard in art, the method that password transmission is carried out by way of UPD multicasts.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is that there is provided a kind of wireless communications method for realizing secure communication
And system.
In order to solve the above-mentioned technical problem, the embodiment of the present invention proposes a kind of wireless communications method, including：
Generate forwarding step：Generate and send the packet containing random data start bit S and the first random number X；
Receive calculation procedure：Received data packet, channel switching sequence is calculated according to packet and default function formula；
And
Synchronous transfer step：Correspondence identical channel is switched to according to channel switching sequence, sends, receive after synchronizing signal
The transmission of presupposed information is carried out, this step is repeated repeatedly until presupposed information end of transmission.
Correspondingly, the embodiment of the present invention additionally provides a kind of wireless communication system, including：
Generate sending module：Generate and send the packet containing random data start bit S and the first random number X；
Receive computing module：Received data packet, channel switching sequence is calculated according to packet and default function formula；
And
Synchronous transfer mode：Correspondence identical channel is switched to according to channel switching sequence, sends, receive after synchronizing signal
The transmission of presupposed information is carried out, this operation is repeated repeatedly until presupposed information end of transmission.
The embodiment of the present invention is by proposing a kind of wireless communications method and system, according to packet and default function formula
Channel switching sequence is calculated, and is solved according to channel switching sequence synchronism switching channel with carrying out the transmission of presupposed information
The monitored attack of channel, and then account, password are the problem of be stolen, and are improved with simple technological means and relatively low cost logical
Believe security.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the wireless communications method of the embodiment of the present invention.
Fig. 2 is the schematic flow sheet of the another form of wireless communications method of the embodiment of the present invention.
Fig. 3 is the data packet format schematic diagram of the embodiment of the present invention.
Fig. 4 is the schematic flow sheet of the reception calculation procedure of the embodiment of the present invention.
Fig. 5 is the schematic flow sheet of the synchronous transfer step of the embodiment of the present invention.
Fig. 6 is the structural representation of the wireless communication system of the embodiment of the present invention.
Fig. 7 is the structural representation of the reception computing module of the embodiment of the present invention.
Fig. 8 is the structural representation of the synchronous transfer mode of the embodiment of the present invention.
Drawing reference numeral explanation
Monitor step S1
Generate forwarding step S2
Receive calculation procedure S3
First receives sub-step S31
Calculate sub-step S32
Synchronous transfer step S4
Second receives sub-step S41
First frequency hopping sub-step S42
Second frequency hopping sub-step S43
Frame data transmission sub-step S44
3rd receives sub-step S45
Judge sub-step S46
Monitor module 10
Generate sending module 20
Receive computing module 30
First receiving submodule 31
Calculating sub module 32
Synchronous transfer mode 40
Second receiving submodule 41
First frequency hopping submodule 42
Second frequency hopping submodule 43
Frame data transmit submodule 44
3rd receiving submodule 45
Judging submodule 46.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combine, the present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
If the description for being related to " first ", " second " etc. in the present invention is only used for describing purpose, and it is not intended that indicating
Or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " are defined
Feature can express or implicitly include at least one this feature.
The radio communication of the embodiment of the present invention is based in the cordless communication networks such as WiFi, bluetooth, this specification with WiFi nets
Illustrated exemplified by network.
Please with reference to Fig. 1 and Fig. 2, the wireless communications method of the embodiment of the present invention includes monitoring step S1, generation transmission
Step S2, reception calculation procedure S3 and synchronous transfer step S4.
Monitor step S1：Network insertion end enters listening mode to carry out the reception of packet.Preferably, packet is used
Ciphertext is transmitted, as shown in figure 3, data packet format is：Bag beginning flag M+ data start bit S+ the first random number X+CRC check codes
The first random number X in O+ inclusion bundle flag N, figure is represented with ABCDEFGH.
Generate forwarding step S2：Mobile terminal generates and sends the number containing random data start bit S and the first random number X
According to bag.
Receive calculation procedure S3：Network insertion end received data packet, network insertion end and mobile terminal are respectively according to packet
Channel switching sequence is calculated with default function formula.Specifically, the function formula is R=X%10（N-S）×10S+X/10(N -S), wherein, R is natural number to represent the second random number of channel switching sequence, and X is the first random number, and is natural number, N
For the digit of the first random number, and value is 1 to 9 natural number, and S is the corresponding numerical value of data start bit, and value is 0 to 7
Natural number.For example, start bit S=2, N=8, the first random numbers X=12345678, then the second random number R=12345678%
10（8-2）×102+12345678/10(8-2)=34567812, accordingly, channel switching sequence is 3,4,5,6,7,8,1,2, i.e., first
3 channel communications are switched to, 4,5,6,7,8,1,2 channel communications are then sequentially switched to.
Please with reference to Fig. 4, as a kind of embodiment, receive calculation procedure S3 include first receive sub-step S31 and
Calculate sub-step S32.
First receives sub-step S31：Network insertion end received data packet.
Calculate sub-step S32：Mobile terminal calculates channel switching sequence according to the packet and default function formula of generation
Row, network insertion end calculates same channel switching sequence according to the packet and default function formula of reception, and in meter
Mark is returned after the completion of calculation and receives successful first answer signal.Preferably, it is different from the embodiment described above, network insertion
End returns to mark after packet is received and receives successful first answer signal, to accelerate the efficiency of data processing, transmission.
Synchronous transfer step S4：Network insertion end and mobile terminal switch to correspondence identical according to channel switching sequence and believed
Road, sends or receives the transmission that presupposed information is carried out after synchronizing signal, repeats this step repeatedly until presupposed information end of transmission.
Preferably, proper communication step is also included after synchronous transfer step S4：Network insertion end and mobile terminal switch back into normal work
Pattern carries out the transmission of nonsensitive data.Specifically, the presupposed information in the embodiment of the present invention can be quick for SSID and/or password etc.
The data message of sense.
Please with reference to Fig. 5, as a kind of embodiment, synchronous transfer step S4 includes second and receives sub-step S41, the
One frequency hopping sub-step S42, the second frequency hopping sub-step S43, frame data transmission sub-step S44, the 3rd receive sub-step S45 and judgement
Sub-step S46.
Second receives sub-step S41：Network insertion end receives the first answer signal.
First frequency hopping sub-step S42：Mobile terminal enters frequency-hopping mode, and corresponding letter is switched to according to channel switching sequence
Road, and initiate synchronizing signal.
Second frequency hopping sub-step S43：Network insertion end enters frequency-hopping mode, is switched to accordingly according to channel switching sequence
Channel, receives and the second answer signal is returned after synchronizing signal.
Frame data transmission sub-step S44：It is mobile-terminated to receive after the second answer signal, carry out the transmission of a frame data.
3rd receives sub-step S45：Network insertion termination receives the 3rd answer signal of return after a frame data.
Judge sub-step S46：It is mobile-terminated receive judge after the 3rd answer signal presupposed information whether end of transmission, if
It is no, then the first frequency hopping sub-step S42 is back to, to carry out the synchronism switching of channel according to channel switching sequence and carry out multiframe number
According to transmission.
The wireless communication system of the embodiment of the present invention includes network insertion end and mobile terminal, wherein, network insertion end can be
Air-conditioning, socket and water purifier provided with Internet of Things WiFi module etc., mobile terminal can for smart mobile phone, flat board, PDA and MiFi etc.,
Specifically, Fig. 6 is refer to, the wireless communication system includes monitoring module 10, generation sending module 20, receives computing module 30
And synchronous transfer mode 40.
Monitor module 10：For carrying out the reception of packet into listening mode.Preferably, data packet format is：Bag
The first random number X in beginning flag M+ data start bit S+ the first random number X+CRC check code O+ inclusion bundle flag N, figure is used
ABCDEFGH is represented.
Generate sending module 20：For generating and sending the data containing random data start bit S and the first random number X
Bag.
Receive computing module 30：Channel is calculated for received data packet, and according to packet and default function formula
Switching sequence.Wherein, the function formula is R=X%10（N-S）×10S+X/10(N-S), wherein, R is expression channel switching sequence
Second random number, and be natural number, X is the first random number, and is natural number, and N is the digit of the first random number, and value is 1
To 9 natural number, S is the corresponding numerical value of data start bit, and value is 0 to 7 natural number.
Please with reference to Fig. 7, as a kind of embodiment, receiving computing module 30 includes the first receiving submodule 31 and meter
Operator module 32.
First receiving submodule 31：For received data packet.
Calculating sub module 32：Channel switching sequence is calculated for the packet according to generation and default function formula,
Same channel switching sequence, and the return mark after the completion of calculating are calculated according to the packet of reception and default function formula
Know and receive successful first answer signal.
Synchronous transfer mode 40：Correspondence identical channel is switched to according to channel switching sequence, sends, receive synchronizing signal
The transmission of presupposed information is carried out afterwards, repeats this operation repeatedly until presupposed information end of transmission.
Please with reference to Fig. 8, as a kind of embodiment, synchronous transfer mode 40 includes the second receiving submodule 41, the
One frequency hopping submodule 42, the second frequency hopping submodule 43, frame data transmit submodule 44, the 3rd receiving submodule 45 and judge submodule
Block 46.
Second receiving submodule 41：For receiving the first answer signal.
First frequency hopping submodule 42：For switching to corresponding channel according to channel switching sequence, and initiate synchronizing signal.
Second frequency hopping submodule 43：For switching to corresponding channel according to channel switching sequence, synchronizing signal is received
After return to the second answer signal.
Frame data transmit submodule 44：For after the second answer signal is received, carrying out the transmission of a frame data.
3rd receiving submodule 45：For receiving the 3rd answer signal of return after a frame data.
Judging submodule 46：For receive judge after the 3rd answer signal presupposed information whether end of transmission, if it is not, then
The first frequency hopping sub-step S42 is back to, to carry out the synchronism switching of channel according to channel switching sequence and carry out multiframe data
Transmission.
The embodiment of the present invention calculates the channel switching sequence being randomly provided according to packet and default function formula, and
According to channel switching sequence synchronism switching channel to carry out the transmission of presupposed information, using variable, non-fixed channel is preset
The transmission of information, fundamentally solves the problem of data are stolen, allow user enjoy WiFi wireless connections bring it is convenient
Meanwhile, also there is no concern that password account is stolen, reliably protect the privacy and property safety of corresponding personal and enterprise.
In addition, the part of the present invention can be applied to computer program product, such as computer program instructions, when its quilt
When computer is performed, by the operation of the computer, the method according to the invention and/or technical scheme can be called or provided.
And the programmed instruction of the method for the present invention is called, it is possibly stored in fixed or moveable recording medium, and/or pass through
Broadcast or the data flow in other signal bearing medias and be transmitted, and/or be stored according to described program instruction operation
In the working storage of computer equipment.Here, including a device according to one embodiment of present invention, the device includes using
In the memory and processor for execute program instructions of storage computer program instructions, wherein, when the computer program refers to
When order is by the computing device, method and/or skill of the plant running based on foregoing multiple embodiments according to the present invention are triggered
Art scheme.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention limits by appended claims and its equivalency range.
Claims (6)
1. a kind of wireless communications method, it is characterised in that the wireless communications method includes：
Monitor step：Network insertion end enters listening mode to carry out the reception of packet；
Generate forwarding step：Generate and send the packet containing random data start bit S and the first random number X；
Receive calculation procedure：Received data packet, channel switching sequence is calculated according to packet and default function formula, described
Function formula is R=X%10(N-S)×10S+X/10(N-S), wherein, R is to represent the second random number of channel switching sequence
Natural number, X is the first random number, and is natural number, and N is the digit of the first random number, and value is 1 to 9 natural number, and S is
The corresponding numerical value of data start bit, and value is 0 to 7 natural number；And
Synchronous transfer step：Correspondence identical channel is switched to according to channel switching sequence, sends, receive progress after synchronizing signal
The transmission of presupposed information, repeats this step repeatedly until presupposed information end of transmission.
2. wireless communications method as claimed in claim 1, it is characterised in that receiving calculation procedure includes：
First receives sub-step：Received data packet；And
Calculate sub-step：Channel switching sequence is calculated according to the packet of generation and default function formula, according to reception
Packet and default function formula calculate same channel switching sequence, and return mark is received successfully after the completion of calculating
The first answer signal.
3. wireless communications method as claimed in claim 2, it is characterised in that synchronous transfer step includes：
Second receives sub-step：Receive the first answer signal；
First frequency hopping sub-step：Corresponding channel is switched to according to channel switching sequence, and initiates synchronizing signal；
Second frequency hopping sub-step：Corresponding channel is switched to according to channel switching sequence, receives and second is returned after synchronizing signal
Answer signal；
Frame data transmit sub-step：Receive after the second answer signal, carry out the transmission of a frame data；
3rd receives sub-step：Receive the 3rd answer signal of return after a frame data；And
Judge sub-step：Receive judge after the 3rd answer signal presupposed information whether end of transmission, if it is not, being then back to first
Frequency hopping sub-step, to carry out the synchronism switching of channel according to channel switching sequence and carry out the transmission of multiframe data.
4. a kind of wireless communication system, it is characterised in that the communication system includes：
Monitor module：Into listening mode to carry out the reception of packet；
Generate sending module：Generate and send the packet containing random data start bit S and the first random number X；
Receive computing module：Received data packet, channel switching sequence is calculated according to packet and default function formula, described
Function formula is R=X%10(N-S)×10S+X/10(N-S), wherein, R is to represent the second random number of channel switching sequence
Natural number, X is the first random number, and is natural number, and N is the digit of the first random number, and value is 1 to 9 natural number, and S is
The corresponding numerical value of data start bit, and value is 0 to 7 natural number；And
Synchronous transfer mode：Correspondence identical channel is switched to according to channel switching sequence, sends, receive progress after synchronizing signal
The transmission of presupposed information, repeats this operation repeatedly until presupposed information end of transmission.
5. wireless communication system as claimed in claim 4, it is characterised in that receiving computing module includes：
First receiving submodule：Received data packet；And
Calculating sub module：Channel switching sequence is calculated according to the packet of generation and default function formula, according to reception
Packet and default function formula calculate same channel switching sequence, and return mark is received successfully after the completion of calculating
The first answer signal.
6. wireless communication system as claimed in claim 5, it is characterised in that synchronous transfer mode includes：
Second receiving submodule：Receive the first answer signal；
First frequency hopping submodule：Corresponding channel is switched to according to channel switching sequence, and initiates synchronizing signal；
Second frequency hopping submodule：Corresponding channel is switched to according to channel switching sequence, receives and second is returned after synchronizing signal
Answer signal；
Frame data transmit submodule：Receive after the second answer signal, carry out the transmission of a frame data；
3rd receiving submodule：Receive the 3rd answer signal of return after a frame data；And
Judging submodule：Receive judge after the 3rd answer signal presupposed information whether end of transmission, if it is not, being then back to first
Frequency hopping sub-step, to carry out the synchronism switching of channel according to channel switching sequence and carry out the transmission of multiframe data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610104268.9A CN105792192B (en) | 2016-02-25 | 2016-02-25 | Wireless communications method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610104268.9A CN105792192B (en) | 2016-02-25 | 2016-02-25 | Wireless communications method and system |
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| Publication Number | Publication Date |
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| CN105792192A CN105792192A (en) | 2016-07-20 |
| CN105792192B true CN105792192B (en) | 2017-08-15 |
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| CN201610104268.9A Expired - Fee Related CN105792192B (en) | 2016-02-25 | 2016-02-25 | Wireless communications method and system |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7366532B2 (en) * | 2003-10-09 | 2008-04-29 | Motorola, Inc. | Group call management through receive/transmit synchronization |
| CN101667849B (en) * | 2008-09-05 | 2014-04-30 | 华为技术有限公司 | Data transmission method, network equipment and communication system |
| CN101883358A (en) * | 2010-05-12 | 2010-11-10 | 北京科技大学 | Method for guaranteeing security of single-transceiver time-slot type distribution CR MAC (Cognitive Radio Multiple Access Control) protocol |
| CN104639209A (en) * | 2015-02-13 | 2015-05-20 | 深圳市睿祺智尚科技有限公司 | Self-adaptive frequency-hopping method of 2.4G transmission network |
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Inventor after: Du Lin Inventor after: Zhao Fei Inventor after: Ren Xiaoya Inventor after: Jiang Tianliang Inventor after: Wei Caixia Inventor after: Wang Xuelin Inventor before: Zhao Fei Inventor before: Jiang Tianliang Inventor before: Wei Caixia Inventor before: Wang Xuelin |
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Inventor after: Zhao Fei Inventor after: Jiang Tianliang Inventor after: Ren Xiaoya Inventor after: Liu Lin Inventor after: Wei Caixia Inventor after: Wang Xuelin Inventor before: Du Lin Inventor before: Zhao Fei Inventor before: Ren Xiaoya Inventor before: Jiang Tianliang Inventor before: Wei Caixia Inventor before: Wang Xuelin |
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