CN109729542A - A kind of one-to-many antijam wireless communication method - Google Patents
A kind of one-to-many antijam wireless communication method Download PDFInfo
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- CN109729542A CN109729542A CN201910105771.XA CN201910105771A CN109729542A CN 109729542 A CN109729542 A CN 109729542A CN 201910105771 A CN201910105771 A CN 201910105771A CN 109729542 A CN109729542 A CN 109729542A
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Abstract
The invention discloses a kind of one-to-many antijam wireless communication methods, are first respectively provided with independent address code in host and n extension set, and then data variable is converted to data packet by host, and send the data packet with the first extension address code to extension set first；After extension set receives data packet, compare address code, if address code is consistent, handles the data variable of corresponding extension set, and send the acknowledgment packet to host；After host has sent data packet, it is delayed and repeats sending step to next extension set, until last extension set, finally repeats conversion and sending step.Pass through this method, it effectively prevent the interference by other hosts or extension set in range, it can not only effectively complete one-to-many control system, and continuous control can be carried out to all extension sets, to well solve the existing hair that is difficult to the problem of receiving, suitable for the various occasions for needing continuous control extension set to act more.
Description
Technical field
The present invention relates to wireless communication technology fields, and in particular to a kind of one-to-many antijam wireless communication method.
Background technique
Wireless communication module is widely used in vehicle monitoring, remote control, telemetering, small wireless network, radio meter register, gate inhibition
System, cell call, industrial data acquisition system, wireless tag, identification, non-contact RF smart card, micro radio data
Terminal, fire safety system, wireless remote-control system, biological signal collecting, hydrometeorology monitoring, robot control, wireless 232 number
According in the fields such as communication, wireless 485/422 data communication, digital audio, Digital Image Transmission.
However existing communication product is mostly to use bluetooth One-to-one communication, it is difficult to solve a multicast (and transmitter
Multiple receivers) system continuous data communication issue, and be easy to interfere with each other between system in actually using cause to communicate it is unstable,
Influence whole use.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of one-to-many antijam wireless communication method.
To achieve the above object, the technical solution of the present invention is as follows:
A kind of one-to-many antijam wireless communication method,
S1: independent address code is respectively provided in host and n extension set；
S2: data variable is converted to data packet by host, and n=1 is arranged, and also includes address date in data packet；
S3: data packet of the host transmission with the n-th extension address code to extension set n-th, and n=n+1；
S4: after extension set receives data packet, compare address code；
S5: if address code is consistent, the corresponding data variable of extension set processing, and host is sent the acknowledgment packet to, if host exists
The confirmation packet that the extension set is not received in time rating is then repeated to send data packet to the extension set and be counted, when number reaches
When 15, the step is jumped out；
S6: after data packet is sent completely, host is delayed；
S7: circulation S3 to S6 step to host completes to send the data packet of last extension set；
S8: circulation S2 to S7 step.
Further, the control containing packet of the data variable in S2 data, each extension set processing data and preliminary data, institute
The address date in data packet, packet control data, each extension set processing data, preliminary data is stated to be arranged successively.It can be convenient for dividing in this way
Machine distinguishes each Data Position, to confirm the data content that need to handle part.
Further, in the confirmation packet in the S5 comprising address date and packet control data, the address date with
Packet control data are arranged successively.
It further, also include CRC data in the data packet and confirmation packet, the CRC data is arranged in data packet
Rearmost position.The bit error rate can be effectively reduced in this way, and be not easy to influence Data Position in extension set data discrimination packet.
Further, the time rating value range in the S5 is 250 μ s-4000 μ s.
Further, the time being delayed in the S6 is 0ms-1ms.
Compared with the prior art, the invention has the following advantages:
In this way, independent address code is added, it is effectively prevent the interference by other hosts or extension set in range, and logical
It crosses the delay that host is sent between data packet all extension sets are carried out while being controlled, can not only effectively complete one-to-many control volume
System, and continuous control can be carried out to all extension sets, to well solve the existing hair that is difficult to the problem of receiving, it is applicable in more
In the various occasions for needing continuous control extension set to act.
Detailed description of the invention
Fig. 1 is the host work flow diagram of one-to-many antijam wireless communication method；
Fig. 2 is the extension set workflow schematic diagram of one-to-many antijam wireless communication method；
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Embodiment
A kind of one-to-many antijam wireless communication method, method following steps:
S1: independent address code is respectively provided in host and n extension set；
S2: data variable is converted to data packet by host, and n=1 is arranged, and also includes address date in data packet；
S3: data packet of the host transmission with the n-th extension address code to extension set n-th, and n=n+1；
S4: after extension set receives data packet, compare address code；
S5: if address code is consistent, the corresponding data variable of extension set processing, and host is sent the acknowledgment packet to, if host exists
The confirmation packet that the extension set is not received in time rating is then repeated to send data packet to the extension set and be counted, when number reaches
When 15, the step is jumped out；
S6: after data packet is sent completely, host is delayed；
S7: circulation S3 to S6 step to host completes to send the data packet of last extension set；
S8: circulation S2 to S7 step.
Using a host and two extension sets as example, it is respectively provided in host and extension set first, extension set second independent
Address code, to distinguish that host and extension set first, extension set second, wireless receiving and dispatching are professional using an envelope money of NORDIC company production
NRF2401+ transceiver, work in 2.4G Hz ISM band.In this way by the way that independent address code is arranged, can be effectively prevented
Other different hosts generate signal interference and influence to extension set first and extension set second.
After independent address code is provided with, the data such as movement needed for extension set first and extension set second are passed through master by host
Singlechip chip inside machine is converted to data packet, includes address date, packet control data, the processing of extension set first in data packet
Data, the processing of extension set second data, preliminary data and CRC data, address date, packet control data, extension set first handle number
It is arranged successively according to, extension set second processing data, preliminary data and CRC data.Address date is used to send data packet in host
When, extension set first and extension set second are recognized, to confirm sending object；Packet control data bag has included packet length, packet identification, packet
The data such as answer logo；The data containing processing needed for extension set first and needs are made dynamic in the processing data of extension set first
Make；The movement that the data containing processing needed for extension set second and needs are made in the processing data of extension set second；Preliminary data is used
It is used in controlling upgrading as system；CRC data is the cyclic redundancy check of 1-2 byte, to reduce the bit error rate.
While conversion, setting one is used to record the numerical variable n of currently transmitted extension number and sets n to host
1.Then the data packet with the n-th extension address code is sent to the extension set, that is, extension set first by host, if extension set first connects
Compare address code after receiving the data packet of host transmission, then starts to make corresponding actions after address code is consistent.It is sent after execution
Confirmation is wrapped to host acknowledgement, is confirmed to include address date, packet control data and CRC data in packet, is confirmed the address in wrapping
Data are consistent with host address code.After data packet is sent from host, host does not receive the transmission of extension set first in 250 μ s
Confirmation packet can then be repeated to send data packet again, and be started counting, if not receiving the confirmation of extension set transmission yet in 15 times
Packet, then do not continue to send, and skips to and be delayed in next step.
It includes that there are two types of situations that wherein host, which does not receive the confirmation packet of extension set transmission, the first is extension set failure nothing
Method receives data packet to handle work, and second is after extension set receives data packet and handles work, and part is broken down
Lead to not send confirmation and wrap to feed back to host.And the time of host judgement can be adjusted according to actual needs, in 250 μ s
To in the range of 4000 μ s.
Extension set first and extension set second pass through built-in singlechip chip and set in the data for receiving which section part
Hold, such as extension set first handles data portions contents by singlechip chip default only processing extension set first, and extension set second passes through list
Piece machine core piece default only processing extension set second handles data portions contents, so that guaranteeing is not in the abnormal situation of processing.
After receiving confirmation packet or jumping out the step of repetition sends data packet, host first carries out of short duration delay, and n
=n+1, that is, current n value is added 1, wherein delay time is 1ms, and main purpose is to be spaced apart the practical operation of each extension set,
Host is avoided to obscure, the time can adjust according to actual needs, within the scope of 0ms-1ms.After delay, host will have second
The data packet of extension address code is sent to extension set second, and the second extension set treatment process is identical as extension set first.After the completion, then it jumps back to
To S2, resetting n is 1, and repeats conversion and sending step, and completion can be realized and continuously control two extension sets.
Simply to illustrate that technical concepts and features of the invention, its purpose is allows in the art above-described embodiment
Those of ordinary skill cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent changes or modifications that the essence of content according to the present invention is made, should be covered by the scope of protection of the present invention.
Claims (6)
1. a kind of one-to-many antijam wireless communication method, it is characterised in that:
S1: independent address code is respectively provided in host and n extension set；
S2: data variable is converted to data packet by host, and n=1 is arranged, and also includes address date in data packet；
S3: data packet of the host transmission with the n-th extension address code to extension set n-th, and n=n+1；
S4: after extension set receives data packet, compare address code；
S5: if address code is consistent, the corresponding data variable of extension set processing, and host is sent the acknowledgment packet to, if host is specified
The confirmation packet that the extension set is not received in time is then repeated to send data packet to the extension set and be counted, when number reaches 15
When, jump out the step；
S6: after data packet is sent completely, host is delayed；
S7: circulation S3 to S6 step to host completes to send the data packet of last extension set；
S8: circulation S2 to S7 step.
2. one-to-many antijam wireless communication method according to claim 1, it is characterised in that: the data in the S2 become
Amount control containing packet data, each extension set processing data and preliminary data, address date, packet control data in the data packet,
Each extension set processing data, preliminary data are arranged successively.
3. one-to-many antijam wireless communication method according to claim 1, it is characterised in that: the confirmation packet in the S5
It is interior to be arranged successively comprising address date and packet control data, the address date with packet control data.
4. one-to-many antijam wireless communication method according to claim 1, it is characterised in that: the data packet and confirmation
It also include CRC data in packet, the CRC data is arranged in data packet rearmost position.
5. one-to-many antijam wireless communication method according to claim 1, it is characterised in that: when specified in the S5
Between value range be 250 μ s-4000 μ s.
6. one-to-many antijam wireless communication method according to claim 1, it is characterised in that: be delayed in the S6 when
Between be 0ms-1ms.
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| CN201910105771.XA CN109729542A (en) | 2019-02-01 | 2019-02-01 | A kind of one-to-many antijam wireless communication method |
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| US5432798A (en) * | 1989-07-19 | 1995-07-11 | British Telecommunications, Plc | Data communication method and system |
| DE69532987D1 (en) * | 1994-07-28 | 2004-06-09 | Koninkl Philips Electronics Nv | METHOD AND ARRANGEMENT FOR MESSAGE TRANSMISSION |
| CN201146501Y (en) * | 2007-09-05 | 2008-11-05 | 勾延根 | Digital cordless microphone |
| CN203120168U (en) * | 2012-11-07 | 2013-08-07 | 乐鑫信息科技（上海）有限公司 | WiFi control application system and improved client thereof |
| CN104660380A (en) * | 2013-11-25 | 2015-05-27 | 上海益尚信息科技有限公司 | Novel multi-standard method for dynamic allocation retransmission and control data retransmission in wireless communication network |
| CN104837144A (en) * | 2015-03-20 | 2015-08-12 | 张韶冬 | Internet of things system networking based on ISM frequency bands below 1GHz |
| CN106571894A (en) * | 2016-11-10 | 2017-04-19 | 深圳市民德电子科技股份有限公司 | Bluetooth information sending and receiving methods |
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2019
- 2019-02-01 CN CN201910105771.XA patent/CN109729542A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5432798A (en) * | 1989-07-19 | 1995-07-11 | British Telecommunications, Plc | Data communication method and system |
| DE69532987D1 (en) * | 1994-07-28 | 2004-06-09 | Koninkl Philips Electronics Nv | METHOD AND ARRANGEMENT FOR MESSAGE TRANSMISSION |
| CN201146501Y (en) * | 2007-09-05 | 2008-11-05 | 勾延根 | Digital cordless microphone |
| CN203120168U (en) * | 2012-11-07 | 2013-08-07 | 乐鑫信息科技（上海）有限公司 | WiFi control application system and improved client thereof |
| CN104660380A (en) * | 2013-11-25 | 2015-05-27 | 上海益尚信息科技有限公司 | Novel multi-standard method for dynamic allocation retransmission and control data retransmission in wireless communication network |
| CN104837144A (en) * | 2015-03-20 | 2015-08-12 | 张韶冬 | Internet of things system networking based on ISM frequency bands below 1GHz |
| CN106571894A (en) * | 2016-11-10 | 2017-04-19 | 深圳市民德电子科技股份有限公司 | Bluetooth information sending and receiving methods |
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