CN105357630A - Low speed wireless network communication method - Google Patents
Low speed wireless network communication method Download PDFInfo
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- CN105357630A CN105357630A CN201510812237.4A CN201510812237A CN105357630A CN 105357630 A CN105357630 A CN 105357630A CN 201510812237 A CN201510812237 A CN 201510812237A CN 105357630 A CN105357630 A CN 105357630A
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- 238000004891 communication Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000006855 networking Effects 0.000 claims abstract description 23
- 238000012163 sequencing technique Methods 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 7
- 238000012790 confirmation Methods 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 230000027455 binding Effects 0.000 claims description 3
- 238000009739 binding Methods 0.000 claims description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
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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
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a low speed wireless network communication method. The low speed wireless network communication method is characterized by comprising steps that, 1), a wireless frequency band module less than 1G is employed to form a low speed wireless network, a gateway unit, an equipment node unit formed by multiple equipments and a repeater are arranged in the low speed wireless network, the gateway unit and sub node units are connected through a gateway and equipment to carry out data exchange; 2), communication time segment division is carried out, a communication time segment of the low speed wireless network is divided into a beacon frame time segment, a fixed time segment, a repeater time segment and a competition time segment; 3), networking is realized through the gateway and the equipment; 4), communication between the gateway and the equipment is carried out, after networking, normal data transmission is carried out; and 5), the equipment is re-electrified and accessed, the gateway trips to a public channel at certain intervals to emit information to check whether the equipment is accessed to the network. The wireless frequency band module less than 1G is employed to form the low speed wireless network, and the low speed wireless network communication method has advantages of proper indoor transmission distance, proper equipment quantity, timely response, low cost and simple communication system structure.
Description
Technical field
The present invention relates to a kind of communication means of wireless network, especially relate to a kind of communication means of low-speed wireless network, be applicable to the communication of the wireless module of the wireless system of white domestic appliances, switch and illumination class.Belong to the wireless communication technology field of white domestic appliances.
Background technology
Current, when the theory of Smart Home is rooted in the hearts of the people, wireless system product development, the production of white domestic appliances, switch and illumination class have inevitably arrived.But how the product of these wireless system classes reasonable co-ordination but could annoying person skilled each other always.After all, the requirement of this kind of system product is that cost is low, data volume is little, number of devices is moderate, reaction is timely, indoor transmissions is apart from moderate.And at present the situation of Related product is on the market or agreement is complete but on the high side, or price is suitable but agreement exists leak.The feature that, data volume low for cost is little, investigates repeatedly through applicant, finds to meet the feature that cost is low, data volume is little, selects the wireless module of below 1G frequency range to be proper.And to reach indoor transmissions apart from moderate, number of devices is moderate, reaction just need a set of reasonable communication mode in time.So how to solve select the situation of below 1G radio band module be issued to indoor transmissions apart from moderate, number of devices is moderate, problem timely of reacting just seems very urgent.
Summary of the invention
Object of the present invention, be in order to solve present multiple devices work simultaneously can not react in time, problem that transmission range is inadequate, a kind of communication means of low-speed wireless network is provided.It can solve can not react in time when current below the 1G of selecting frequency range wireless module multiple devices work simultaneously, problem that transmission range is inadequate.
Object of the present invention can reach by taking following technical scheme:
A communication means for low-speed wireless network, is characterized in that comprising the following steps:
1) the low-speed wireless network of below 1G radio band module composition is adopted, gateway unit, the device node unit be made up of several equipment and repeater are set in low-speed wireless network, by gateway and equipment connection between described gateway unit and child node unit, to carry out exchanges data;
2) divide call duration time section, call duration time section is divided into by the communication of low-speed wireless network beacon frame time period, set time section, repeater time period and competition time period;
3) by gateway and equipment network
3-1) gateway sends mesh information at common signal channel;
3-2) need after the equipment of networking receives mesh information, the physical address of equipment to be issued gateway;
3-3) gateway adds network by the manual mode accepting device confirmed after receiving the physical address of equipment feedback;
3-4) gateway is to equipment distribution network address and announcement apparatus jumps to working channel;
3-5) at working channel, equipment declares information to gateway transmitting apparatus;
3-6) the gateway equipment of receiving preserves after declaring information and confirms to equipment, and networking process completes;
4) gateway and communication between devices, after networking completes, carries out normal transfer of data; Gateway first judged whether broadcast data before carrying out transfer of data, if broadcast data then uses set time section, first time segment is left gateway for and used, and the sequencing that remaining time period then distributes ID according to gateway distributes to equipment use; If not broadcast data, but individual equipment sends Frame, then, before equipment transmission data, this equipment is first monitored wireless network, looks into see if there is other equipment and transmit data; If transmission is carried out, this equipment waits for one period set, and then monitors; If do not have other equipment at use transmission medium, this equipment just starts to transmit a complete frame; While an equipment transmission data, another equipment also starts to transmit data, cause conflict so that loss of data, receiving equipment detects the cyclic redundancy check (CRC) code of the grouping received, if correct, then transmit a confirmation to transmitting apparatus, to indicate the generation that do not conflict, otherwise transmitting apparatus will repeat said process until data send successfully, or retransmit the number of times of regulation;
5) equipment re-powers networking
5-1) gateway jump at regular intervals common signal channel send information see if there is equipment need network;
After 5-2) needing the equipment networked to receive the information of gateway at common signal channel, the physical address of oneself is sent to gateway;
5-3) gateway checks the record originally whether having equipment after receiving equipment physical address, if had, equipment is distributed in the original network address, if not, distribute the new network address, and announcement apparatus jumps to working channel to it;
5-4) if the new equipment networked then needs facility information to declare to gateway, otherwise directly normally work, so far networked.
Object of the present invention can also reach by taking following technical scheme:
Further, the described beacon frame time period, refer to that beacon frame is sent by gateway, it is mainly used in needs to use set time section and before the repeater time period, as the time started of these two time periods, and define the duration of stipulated time section or repeater time period.
Further, described set time section, refer to after beacon frame, the set time be made up of point time of multiple identical duration according to the quantity of equipment gateway, every platform equipment takies a point of time according to the sequencing in gateway registration, uses when gateway sends feedback information for the equipment when networking, broadcast, gateway re-power.
Further, the described repeater time period, refer to when there being set time section, it is after set time section, otherwise after beacon frame, the quantity being used repeater by beacon frame as required specifies its duration, for some equipment due to from gateway distant need by repeater help transmission information time use.
Further, the described competition time period is in beacon frame time period, set time section, time period outside three time periods of repeater time period, and mainly gateway at ordinary times uses with when communicating between conventional equipment.
Further, gateway unit 1 is communicated to connect by repeater and equipment,
1) flow process of repeater first by conventional equipment after powering on carries out networking;
2) if distant equipment can not receive the response of gateway after sending information several times, repeater is sent to needing to use the information of repeater to be added in Frame in a data frame;
3) repeater is transmitted to gateway it after receiving facility information;
4) gateway gets up their bindings give equipment distribution network address according to the information of repeater and equipment, and one of them repeater can only a corresponding equipment, so repeater will be arranged on gateway with between devices communicating connection;
5) need to use the equipment of repeater to complete heel gateway communication in networking to communicate in the repeater time period.
Further, described equipment waits for one period set, and determines stand-by period length Backoff by following expression:
Backoff=2RetryCount × Random (1 ~ MaxRetryCount), the number of times of RetryCount tabular form current re-transmission in formula, MaxRetryCount specifies the number of times retransmitted at most, Random is nonce generation function, each generation one 1 integer to MaxRetryCount.
The present invention has following outstanding beneficial effect:
The present invention is owing to adopting the low-speed wireless network of below 1G radio band module composition, gateway unit, the subset node unit be made up of several home appliances and repeater are set in low-speed wireless network, by gateway and equipment connection between described gateway unit and child node unit, to carry out exchanges data; By dividing call duration time section, call duration time section is divided into by the communication of low-speed wireless network beacon frame time period, set time section, repeater time period and competition time period, time multiple devices work simultaneously, gateway first judged whether broadcast data before carrying out transfer of data, if broadcast data then uses set time section, first time segment is left gateway for and is used, and the sequencing that remaining time period then distributes ID according to gateway distributes to equipment use.If not broadcast data, but individual equipment sends Frame, then before equipment transmission data, this equipment is first monitored wireless network, look into and see if there is other equipment and transmit data, while substantially avoid an equipment transmission data, another equipment also starts to transmit data, causes conflict so that loss of data.Therefore, it is possible to solve the different problem of multiple stage merchandiser platform household electrical appliances transmission method, thus reach an electrical transmission low cost, apart from moderate and react requirement timely.Have indoor transmissions apart from moderate, number of devices is moderate, reaction is timely and cost is low, the simple beneficial effect of communication system architecture.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the specific embodiment of the invention.
Embodiment:
With reference to Fig. 1, the communication means of a kind of low-speed wireless network that the present embodiment relates to, is characterized in that comprising the following steps:
1) the low-speed wireless network of below 1G radio band module composition is adopted, gateway unit 1, the device node unit 2 be made up of several equipment 4 and repeater 3 are set in low-speed wireless network, described gateway unit 1 is connected with described home appliance 4 by gateway with between child node unit 2, to carry out exchanges data;
2) divide call duration time section, call duration time section is divided into by the communication of low-speed wireless network beacon frame time period, set time section, repeater time period and competition time period;
3) by gateway and equipment network
3-1) gateway sends mesh information at common signal channel;
3-2) need after the equipment of networking receives mesh information, the physical address of equipment to be issued gateway;
3-3) gateway adds network by the manual mode accepting device confirmed after receiving the physical address of equipment feedback;
3-4) gateway is to equipment distribution network address and announcement apparatus jumps to working channel;
3-5) at working channel, equipment declares information to gateway transmitting apparatus;
3-6) the gateway equipment of receiving preserves after declaring information and confirms to equipment, and networking process completes;
4) gateway and communication between devices, after networking completes, carries out normal transfer of data; Gateway first judged whether broadcast data before carrying out transfer of data, if broadcast data then uses set time section, first time segment is left gateway for and used, and the sequencing that remaining time period then distributes ID according to gateway distributes to equipment use; If not broadcast data, but individual equipment sends Frame, then, before equipment transmission data, this equipment is first monitored wireless network, looks into see if there is other equipment and transmit data; If transmission is carried out, this equipment waits for one period set, and then monitors; If do not have other equipment at use transmission medium, this equipment just starts to transmit a complete frame; While an equipment transmission data, another equipment also starts to transmit data, cause conflict so that loss of data, receiving equipment detects the cyclic redundancy check (CRC) code of the grouping received, if correct, then transmit a confirmation to transmitting apparatus, to indicate the generation that do not conflict, otherwise transmitting apparatus will repeat said process until data send successfully, or retransmit the number of times of regulation;
5) equipment re-powers networking
5-1) gateway jump at regular intervals common signal channel send information see if there is equipment need network;
After 5-2) needing the equipment networked to receive the information of gateway at common signal channel, the physical address of oneself is sent to gateway;
5-3) gateway checks the record originally whether having equipment after receiving equipment physical address, if had, equipment is distributed in the original network address, if not, distribute the new network address, and announcement apparatus jumps to working channel to it;
5-4) if the new equipment networked then needs facility information to declare to gateway, otherwise directly normally work, so far networked.
In the present embodiment:
Described equipment 4 can be home appliance, comprises white domestic appliances, television set, stereo set and white domestic appliances, switch and illumination kind equipment.Gateway unit 1, device node unit 2 and repeater 3 can adopt the gateway of routine techniques, device node unit and repeater.
The described beacon frame time period, refer to that beacon frame is sent by gateway, it is mainly used in needs to use set time section and before the repeater time period, as the time started of these two time periods, and define the duration of stipulated time section or repeater time period.
Described set time section, refer to after beacon frame, the set time be made up of point time of multiple identical duration according to the quantity of equipment gateway, every platform equipment takies a point of time according to the sequencing in gateway registration, uses when gateway sends feedback information for the equipment when networking, broadcast, gateway re-power.
The described repeater time period, refer to when there being set time section, it is after set time section, otherwise after beacon frame, the quantity being used repeater by beacon frame as required specifies its duration, for some equipment due to from gateway distant need by repeater help transmission information time use.
The described competition time period is in beacon frame time period, set time section, time period outside three time periods of repeater time period, and mainly gateway at ordinary times uses with when communicating between conventional equipment.
Gateway unit 1 is communicated to connect by repeater and equipment,
1) flow process of repeater first by conventional equipment after powering on carries out networking;
2) if distant equipment can not receive the response of gateway after sending information several times, repeater is sent to needing to use the information of repeater to be added in Frame in a data frame;
3) repeater is transmitted to gateway it after receiving facility information;
4) gateway gets up their bindings give equipment distribution network address according to the information of repeater and equipment, and one of them repeater can only a corresponding equipment, so repeater will be arranged on gateway with between devices communicating connection;
5) need to use the equipment of repeater to complete heel gateway communication in networking to communicate in the repeater time period.
Described equipment waits for one period set, and determines stand-by period length Backoff by following expression:
Backoff=2RetryCount × Random (1 ~ MaxRetryCount), the number of times of RetryCount tabular form current re-transmission in formula, MaxRetryCount specifies the number of times retransmitted at most, Random is nonce generation function, each generation one 1 integer to MaxRetryCount.
If do not have other equipment at use transmission medium, this equipment just starts to transmit a complete frame; While an equipment transmission data, another equipment also starts to transmit data, and cause conflict so that loss of data, (such as: gateway transmits a signal to equipment, this equipment is receiving equipment to receiving equipment; Time equipment issues gateway, now gateway is receiving equipment) detect the cyclic redundancy check (CRC) code of grouping received, if correctly, then transmit a confirmation to transmitting apparatus, to indicate the generation that do not conflict.Otherwise transmitting apparatus will repeat said process until data send successfully, or retransmit the number of times of regulation.
Equipment re-powers into network process as follows:
A), gateway jump at regular intervals common signal channel send information see if there is equipment need network,
B), need network equipment receive the information of gateway at common signal channel after the physical address of oneself is sent to gateway,
C), gateway checks the record originally whether having equipment after receiving equipment physical address, if had, equipment distributed in the original network address, if not, distribute the new network address, and announcement apparatus jumps to working channel to it,
D) if the new equipment networked then needs facility information to declare to gateway, otherwise directly normally work, so far networked.
The above; be only the present invention's preferably specific embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all belonged to protection scope of the present invention.
Claims (7)
1. a communication means for low-speed wireless network, is characterized in that comprising the following steps:
1) the low-speed wireless network of below 1G radio band module composition is adopted, gateway unit (1), the device node unit (2) be made up of several equipment (4) and repeater (3) are set in low-speed wireless network, by gateway and equipment connection between described gateway unit (1) and child node unit (2), to carry out exchanges data;
2) divide call duration time section, call duration time section is divided into by the communication of low-speed wireless network beacon frame time period, set time section, repeater time period and competition time period;
3) by gateway and equipment network
3-1) gateway sends mesh information at common signal channel;
3-2) need after the equipment of networking receives mesh information, the physical address of equipment to be issued gateway;
3-3) gateway adds network by the manual mode accepting device confirmed after receiving the physical address of equipment feedback;
3-4) gateway is to equipment distribution network address and announcement apparatus jumps to working channel;
3-5) at working channel, equipment declares information to gateway transmitting apparatus;
3-6) the gateway equipment of receiving preserves after declaring information and confirms to equipment, and networking process completes;
4) gateway and communication between devices, after networking completes, carries out normal transfer of data; Gateway first judged whether broadcast data before carrying out transfer of data, if broadcast data then uses set time section, first time segment is left gateway for and used, and the sequencing that remaining time period then distributes ID according to gateway distributes to equipment use; If not broadcast data, but individual equipment sends Frame, then, before equipment transmission data, this equipment is first monitored wireless network, looks into see if there is other equipment and transmit data; If transmission is carried out, this equipment waits for one period set, and then monitors; If do not have other equipment at use transmission medium, this equipment just starts to transmit a complete frame; While an equipment transmission data, another equipment also starts to transmit data, cause conflict so that loss of data, receiving equipment detects the cyclic redundancy check (CRC) code of the grouping received, if correct, then transmit a confirmation to transmitting apparatus, to indicate the generation that do not conflict, otherwise transmitting apparatus will repeat said process until data send successfully, or retransmit the number of times of regulation;
5) equipment re-powers networking
5-1) gateway jump at regular intervals common signal channel send information see if there is equipment need network;
After 5-2) needing the equipment networked to receive the information of gateway at common signal channel, the physical address of oneself is sent to gateway;
5-3) gateway checks the record originally whether having equipment after receiving equipment physical address, if had, equipment is distributed in the original network address, if not, distribute the new network address, and announcement apparatus jumps to working channel to it;
5-4) if the new equipment networked then needs facility information to declare to gateway, otherwise directly normally work, so far networked.
2. the communication means of a kind of low-speed wireless network according to claim 1, it is characterized in that: the described beacon frame time period, refer to that beacon frame is sent by gateway, it is mainly used in needs to use set time section and before the repeater time period, as the time started of these two time periods, and define the duration of stipulated time section or repeater time period.
3. the communication means of a kind of low-speed wireless network according to claim 1, it is characterized in that: described set time section, refer to after beacon frame, the set time be made up of point time of multiple identical duration according to the quantity of equipment gateway, every platform equipment takies a point of time according to the sequencing in gateway registration, uses when gateway sends feedback information for the equipment when networking, broadcast, gateway re-power.
4. the communication means of a kind of low-speed wireless network according to claim 1, it is characterized in that: the described repeater time period, refer to when there being set time section, it is after set time section, otherwise after beacon frame, the quantity being used repeater by beacon frame as required specifies its duration, for some equipment due to from gateway distant need by repeater help transmission information time use.
5. the communication means of a kind of low-speed wireless network according to claim 1, it is characterized in that: the described competition time period, be in beacon frame time period, set time section, time period outside three time periods of repeater time period, mainly gateway at ordinary times uses with when communicating between conventional equipment.
6., as the communication means of a kind of low-speed wireless network in claim 1, it is characterized in that: gateway unit 1 is communicated to connect by repeater and equipment,
1) flow process of repeater first by conventional equipment after powering on carries out networking;
2) if distant equipment can not receive the response of gateway after sending information several times, repeater is sent to needing to use the information of repeater to be added in Frame in a data frame;
3) repeater is transmitted to gateway it after receiving facility information;
4) gateway gets up their bindings give equipment distribution network address according to the information of repeater and equipment, and one of them repeater can only a corresponding equipment, so repeater will be arranged on gateway with between devices communicating connection;
5) need to use the equipment of repeater to complete heel gateway communication in networking to communicate in the repeater time period.
7. the communication means of a kind of low-speed wireless network according to claim 1, is characterized in that: described equipment waits for one period set, and determines stand-by period length Backoff by following expression:
Backoff=2RetryCount × Random (1 ~ MaxRetryCount), the number of times of RetryCount tabular form current re-transmission in formula, MaxRetryCount specifies the number of times retransmitted at most, Random is nonce generation function, each generation one 1 integer to MaxRetryCount.
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| CN201510812237.4A CN105357630A (en) | 2015-11-19 | 2015-11-19 | Low speed wireless network communication method |
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| CN201510812237.4A CN105357630A (en) | 2015-11-19 | 2015-11-19 | Low speed wireless network communication method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110505633A (en) * | 2019-01-31 | 2019-11-26 | 物兴科技(深圳)有限公司 | A kind of means of communication, communication device and the communication system of energy information acquisition |
| CN111682995A (en) * | 2020-06-02 | 2020-09-18 | 东莞市日东智能装备有限公司 | A kind of electric curtain control method using Sub-GHz |
| CN113098717A (en) * | 2020-03-30 | 2021-07-09 | 深圳友讯达科技股份有限公司 | Method for realizing equipment plug and play of newly added network access node |
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