CN104378741A - Method for distributing commands to Wi-Fi wireless sensor networks - Google Patents
Method for distributing commands to Wi-Fi wireless sensor networks Download PDFInfo
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- CN104378741A CN104378741A CN201410641757.9A CN201410641757A CN104378741A CN 104378741 A CN104378741 A CN 104378741A CN 201410641757 A CN201410641757 A CN 201410641757A CN 104378741 A CN104378741 A CN 104378741A
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- multicast
- sensing network
- radio sensing
- order
- wireless senser
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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
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
Abstract
The invention relates to the field of information and communication technologies, in particular to a method for distributing control commands to Wi-Fi wireless sensor networks. Multicast channels used for command distribution are established in the Wi-Fi wireless sensor networks and maintained and are used for distributing various wireless sensor control and management commands to Wi-Fi wireless sensors. The method involves a first receiving device, a multicast proxy device, a command distribution device and a second receiving device, wherein the first receiving device is in charge of receiving wireless sensor commands generated by other modules in wireless sensor network access facilities; the multicast proxy device is used for establishing and maintaining the multicast channels used for distributing the commands in the wireless sensor networks; through the command distribution device, the wireless sensor commands are encapsulated into multicast streams at appointed multicast addresses and distributed to the Wi-Fi wireless sensors; the second receiving device is in charge of receiving join and departure request messages from multicast groups of Wi-Fi APs.
Description
Technical field
The present invention relates to Information & Communication Technology field, particularly relate to the control command distribution method in a kind of Wi-Fi radio sensing network.
Background technology
Along with the maturation of super low-power consumption Wi-Fi technology, Wi-Fi can be used as the communication technology of radio sensing network.Due to the Radio Transmission Technology that Wi-Fi is a kind of maturation, widespread deployment, the problem of aspect that it can solve low bandwidth that the radio sensing network based on Zigbee faces, networking is complicated, safety guarantee is not enough etc.
Under the control of radio sensing network access device, all kinds Wi-Fi wireless senser under identical local Wi-Fi network covering can be organized into Wi-Fi radio sensing network, for the application of all kinds radio sensing network provides information monitoring service.
In Wi-Fi radio sensing network, in order to set up and safeguard Wi-Fi radio sensing network topology, radio sensing network access device needs to send the order of all kinds network operation to Wi-Fi wireless senser; In order to control Wi-Fi wireless senser information gathering and report work, radio sensing network access device need send various transducer control command to Wi-Fi wireless senser.Wherein partial order needs to send to the multiple or whole Wi-Fi wireless sensers in network.In this case, if adopt mode of unicast to send, then the larger network bandwidth can be taken; If adopt broadcast mode to send, then all devices in Wi-Fi network coverage all can listen to relevant information, has larger safety problem, also can consume the transmission not needing the Wi-Fi transducer receiving related command and process resource simultaneously.
Summary of the invention
In order to realize efficient and safe Wi-Fi radio sensing network command transfer, the present invention proposes a kind of novel Wi-Fi radio sensing network order distribution method.
According to a first aspect of the invention, the command processing device in a kind of radio sensing network access device is provided.Wherein, comprising: first receiving device, be responsible for receiving the wireless senser order produced from other modules in radio sensing network access device.Multicast agent device, is responsible for setting up and safeguard the multicast channel being used for realizing order distribution in radio sensing network.Order dispensing device, be responsible for by wireless senser Command encapsulate in the multicast data flow of designated multicast address, distribute to Wi-Fi wireless senser.Second receiving system, is responsible for the multicast group received from Wi-Fi AP and adds and exit message.
According to a second aspect of the invention, the order agent apparatus in a kind of Wi-Fi wireless senser is provided.Wherein, comprising: first receiving device, be responsible for receiving the control and management order be encapsulated in multicast data flow from radio sensing network access device; Multicast client end device, is responsible for the multicast group adding and exit the order of transmission radio sensing network; Transferring order device, the wireless senser order that responsible forwarding receives is to respective handling module; First dispensing device, is responsible for sending information to radio sensing network access device by Wi-Fi interface.
According to a third aspect of the invention we, propose a kind of order distribution method of Wi-Fi radio sensing network, it is characterized in that: a) retain 1 and distribute for the order of Wi-Fi radio sensing network to multiple dedicated multicast address; B) the IGMPsnooping function on Wi-Fi AP is started; C) command processing device in radio sensing network access device, according to configuration, by wireless senser Command encapsulate in the multicast packets of designated multicast address, utilizes multicast mode to send in Wi-Fi radio sensing network; D) the transducer order that Wi-Fi AP receives according to the information butt joint in multicast forward table forwards.
According to a forth aspect of the invention, the maintenance process of a kind of Wi-Fi radio sensing network order distribution multicast channel is provided.Wherein, comprise the following steps: a) radio sensing network access device divides the multicast address collection being used in Wi-Fi radio sensing network order distribution; B) the IGMP snooping function on Wi-Fi AP is started; C) configure Wi-Fi AP, set up the multicast group being used for Wi-Fi radio sensing network order distribution, multicast group recipient port list is blank, and sender is radio sensing network access device; D) multicast group that Wi-Fi AP intercepts from Wi-Fi wireless senser adds and leaves request, perform IGMP snooping function, according to the multicast request message received, the increase of recipient's port or deletion action are carried out to corresponding multicast group, safeguards multicast forward table; E) Wi-Fi AP forwarding multicasting group add and request of leaving to radio sensing network access device.
According to a fifth aspect of the invention, the transfer process of a kind of Wi-Fi radio sensing network order distribution is provided.Wherein, comprise the following steps: a) first receiving device of the command processing device of radio sensing network access device receives the wireless senser command messages from other modules of radio sensing network access device; B) the order dispensing device of the command processing device of radio sensing network access device will utilize designated multicast address by wireless senser Command encapsulate in multicast packets; C) the order dispensing device of the command processing device of radio sensing network access device sends packaged order multicast packets to Wi-Fi AP; D), after Wi-Fi AP receives the multicast packets from radio sensing network access device, the multicast forward table according to corresponding multicast group carries out traffic distribution; E) the Wi-Fi wireless senser having added this multicast forward table receives the multicast data flow including wireless senser order, the order agent apparatus of Wi-Fi wireless senser extracts wireless senser order from multicast data flow, and is transmitted to respective handling module and carries out command execution.
According to a sixth aspect of the invention, the flow process that a kind of Wi-Fi wireless senser adds radio sensing network order distribution multicast channel is provided.Wherein, comprise the following steps: a) the order agent apparatus of Wi-Fi wireless senser is according to pre-configured command transfer multicast address, send multicast group by Wi-Fi interface and join request; B) multicast group that Wi-Fi AP intercepts from Wi-Fi wireless senser joins request; C) this Wi-Fi wireless senser is joined the multicast forward table of designated multicast address by Wi-Fi AP; D) Wi-Fi AP forwarding multicasting group joins request message to radio sensing network access device.
According to a seventh aspect of the invention, the flow process that a kind of Wi-Fi wireless senser exits radio sensing network order distribution multicast channel is provided.Wherein, comprise the following steps: a) the order agent apparatus of Wi-Fi wireless senser sends multicast group by Wi-Fi interface and leaves request; B) multicast group that Wi-Fi AP intercepts from Wi-Fi wireless senser leaves request; C) this Wi-Fi wireless senser is transmitted middle deletion from corresponding multicast group by Wi-Fi AP; D) Wi-Fi AP forwarding multicasting group leaves request message to radio sensing network access device.
Adopt the solution of the present invention, efficient, safe Wi-Fi radio sensing network command transfer can be realized.
Embodiment
Embodiment 1:
A kind of novel Wi-Fi radio sensing network order distribution method.
According to a first aspect of the invention, the command processing device in a kind of radio sensing network access device is provided.Wherein, comprising: first receiving device, be responsible for receiving the wireless senser order produced from other modules in radio sensing network access device.Multicast agent device, is responsible for setting up and safeguard the multicast channel being used for realizing order distribution in radio sensing network.Order dispensing device, be responsible for by wireless senser Command encapsulate in the multicast data flow of designated multicast address, distribute to Wi-Fi wireless senser.Second receiving system, is responsible for the multicast group received from Wi-Fi AP and adds and exit message.
According to a second aspect of the invention, the order agent apparatus in a kind of Wi-Fi wireless senser is provided.Wherein, comprising: first receiving device, be responsible for receiving the control and management order be encapsulated in multicast data flow from radio sensing network access device; Multicast client end device, is responsible for the multicast group adding and exit the order of transmission radio sensing network; Transferring order device, the wireless senser order that responsible forwarding receives is to respective handling module; First dispensing device, is responsible for sending information to radio sensing network access device by Wi-Fi interface.
According to a third aspect of the invention we, propose a kind of order distribution method of Wi-Fi radio sensing network, it is characterized in that: a) retain 1 and distribute for the order of Wi-Fi radio sensing network to multiple dedicated multicast address; B) the IGMPsnooping function on Wi-Fi AP is started; C) command processing device in radio sensing network access device, according to configuration, by wireless senser Command encapsulate in the multicast packets of designated multicast address, utilizes multicast mode to send in Wi-Fi radio sensing network; D) the transducer order that Wi-Fi AP receives according to the information butt joint in multicast forward table forwards.
According to a forth aspect of the invention, the maintenance process of a kind of Wi-Fi radio sensing network order distribution multicast channel is provided.Wherein, comprise the following steps: a) radio sensing network access device divides the multicast address collection being used in Wi-Fi radio sensing network order distribution; B) the IGMP snooping function on Wi-Fi AP is started; C) configure Wi-Fi AP, set up the multicast group being used for Wi-Fi radio sensing network order distribution, multicast group recipient port list is blank, and sender is radio sensing network access device; D) multicast group that Wi-Fi AP intercepts from Wi-Fi wireless senser adds and leaves request, perform IGMP snooping function, according to the multicast request message received, the increase of recipient's port or deletion action are carried out to corresponding multicast group, safeguards multicast forward table; E) Wi-Fi AP forwarding multicasting group add and request of leaving to radio sensing network access device.
According to a fifth aspect of the invention, the transfer process of a kind of Wi-Fi radio sensing network order distribution is provided.Wherein, comprise the following steps: a) first receiving device of the command processing device of radio sensing network access device receives the wireless senser command messages from other modules of radio sensing network access device; B) the order dispensing device of the command processing device of radio sensing network access device will utilize designated multicast address by wireless senser Command encapsulate in multicast packets; C) the order dispensing device of the command processing device of radio sensing network access device sends packaged order multicast packets to Wi-Fi AP; D), after Wi-Fi AP receives the multicast packets from radio sensing network access device, the multicast forward table according to corresponding multicast group carries out traffic distribution; E) the Wi-Fi wireless senser having added this multicast forward table receives the multicast data flow including wireless senser order, the order agent apparatus of Wi-Fi wireless senser extracts wireless senser order from multicast data flow, and is transmitted to respective handling module and carries out command execution.
According to a sixth aspect of the invention, the flow process that a kind of Wi-Fi wireless senser adds radio sensing network order distribution multicast channel is provided.Wherein, comprise the following steps: a) the order agent apparatus of Wi-Fi wireless senser is according to pre-configured command transfer multicast address, send multicast group by Wi-Fi interface and join request; B) multicast group that Wi-Fi AP intercepts from Wi-Fi wireless senser joins request; C) this Wi-Fi wireless senser is joined the multicast forward table of designated multicast address by Wi-Fi AP; D) Wi-Fi AP forwarding multicasting group joins request message to radio sensing network access device.
According to a seventh aspect of the invention, the flow process that a kind of Wi-Fi wireless senser exits radio sensing network order distribution multicast channel is provided.Wherein, comprise the following steps: a) the order agent apparatus of Wi-Fi wireless senser sends multicast group by Wi-Fi interface and leaves request; B) multicast group that Wi-Fi AP intercepts from Wi-Fi wireless senser leaves request; C) this Wi-Fi wireless senser is transmitted middle deletion from corresponding multicast group by Wi-Fi AP; D) Wi-Fi AP forwarding multicasting group leaves request message to radio sensing network access device.
Adopt the solution of the present invention, efficient, safe Wi-Fi radio sensing network command transfer can be realized.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improves, all should be included within protection scope of the present invention.
Claims (9)
1. the command processing device in a radio sensing network access device, be responsible for setting up in Wi-Fi radio sensing network and safeguarding the multicast channel for ordering distribution, and utilize multicast channel to distribute the order of all kinds of wireless senser control and management to Wi-Fi wireless senser, comprising: first receiving device, be responsible for receiving the wireless senser order produced from other modules in radio sensing network access device; Multicast agent device, sets up and safeguards the multicast channel being used for realizing order distribution in radio sensing network; Order dispensing device, by wireless senser Command encapsulate in the multicast data flow of designated multicast address, distributes to Wi-Fi wireless senser; Second receiving system, is responsible for the multicast group received from Wi-Fi AP and adds and leave request message.
2. the order agent apparatus in Wi-Fi wireless senser, wherein, comprising: first receiving device, is responsible for receiving the control and management order be encapsulated in multicast data flow from radio sensing network access device; Multicast client end device, is responsible for the multicast group adding and leave the order of transmission radio sensing network; Transferring order device, the wireless senser order that responsible forwarding receives is to respective handling module; First dispensing device, is responsible for sending information to radio sensing network access device by Wi-Fi interface.
3. the order distribution method of a Wi-Fi radio sensing network, it is characterized in that: a) retain 1 and distribute for the order of Wi-Fi radio sensing network to multiple dedicated multicast address, for dissimilar order, or different sensing network application, distributes different multicast address and carries out order distribution; B) the IGMP snooping function on Wi-Fi AP is started; C) command processing device in radio sensing network access device, according to configuration, by wireless senser Command encapsulate in the multicast packets of designated multicast address, utilizes multicast mode to send in Wi-Fi radio sensing network; D) the transducer order that Wi-Fi AP receives according to the information butt joint in multicast forward table forwards, and is sent to the set of corresponding Wi-Fi wireless senser.
4. the order distribution method of the Wi-Fi radio sensing network according to claim 1-3 and relevant apparatus, the feature of the maintenance process of Wi-Fi radio sensing network order distribution multicast channel is, comprises the following steps: a) radio sensing network access device divides the multicast address collection being used in Wi-Fi radio sensing network order distribution; B) the IGMP snooping function on Wi-Fi AP is started; C) configure Wi-Fi AP, set up the multicast group being used for Wi-Fi radio sensing network order distribution, multicast group recipient port list is blank, and sender is radio sensing network access device; D) multicast group that Wi-Fi AP intercepts from Wi-Fi wireless senser adds and leaves request, perform IGMP snooping function, according to the multicast request message received, the increase of recipient's port or deletion action are carried out to corresponding multicast group, safeguards multicast forward table; E) Wi-Fi AP forwarding multicasting group add and request of leaving to radio sensing network access device.
5. the order distribution method of the Wi-Fi radio sensing network according to claim 1-4 and relevant apparatus, the feature of the transfer process of Wi-Fi radio sensing network order distribution is, comprises the following steps: a) first receiving device of the command processing device of radio sensing network access device receives the wireless senser command messages from other modules of radio sensing network access device; B) the order dispensing device of the command processing device of radio sensing network access device will utilize designated multicast address by wireless senser Command encapsulate in multicast packets; C) the order dispensing device of the command processing device of radio sensing network access device sends packaged order multicast packets to Wi-Fi AP; D), after Wi-Fi AP receives the multicast packets from radio sensing network access device, the multicast forward table according to corresponding multicast group carries out traffic distribution; E) the Wi-Fi wireless senser having added this multicast forward table receives the multicast data flow including wireless senser order, the order agent apparatus of Wi-Fi wireless senser extracts wireless senser order from multicast data flow, and is transmitted to respective handling module and carries out command execution.
6. the order distribution method of the Wi-Fi radio sensing network according to claim 1-5 and relevant apparatus, the feature that Wi-Fi wireless senser adds radio sensing network order distribution multicast channel flow is, comprise the following steps: a) the order agent apparatus of Wi-Fi wireless senser is according to pre-configured command transfer multicast address, send multicast group by Wi-Fi interface and join request; B) multicast group that Wi-Fi AP intercepts from Wi-Fi wireless senser joins request; C) this Wi-Fi wireless senser is joined the multicast forward table of designated multicast address by Wi-Fi AP; D) Wi-Fi AP forwarding multicasting group joins request message to radio sensing network access device.
7. the order distribution method of the Wi-Fi radio sensing network according to claim 1-6 and relevant apparatus, the feature that Wi-Fi wireless senser exits the flow process of radio sensing network order distribution multicast channel is, comprises the following steps: a) the order agent apparatus of Wi-Fi wireless senser sends multicast group by Wi-Fi interface and leaves request; B) multicast group that Wi-Fi AP intercepts from Wi-Fi wireless senser leaves request; C) this Wi-Fi wireless senser is transmitted middle deletion from corresponding multicast group by Wi-Fi AP; D) Wi-Fi AP forwarding multicasting group leaves request message to radio sensing network access device.
8. a radio sensing network access device in a communication network, comprises command processing device according to claim 1.
9. a Wi-Fi wireless sensor device in a communication network, comprises order agent apparatus according to claim 2.
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| CN201410641757.9A CN104378741A (en) | 2014-11-13 | 2014-11-13 | Method for distributing commands to Wi-Fi wireless sensor networks |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108769929A (en) * | 2018-05-07 | 2018-11-06 | 深圳探科技术有限公司 | A kind of more controlled plant synchronisation control means and system based on wireless network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102316417A (en) * | 2010-07-01 | 2012-01-11 | 江苏联优信息科技有限公司 | Command distribution method for wireless fidelity (Wi-Fi) wireless sensing network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102316417A (en) * | 2010-07-01 | 2012-01-11 | 江苏联优信息科技有限公司 | Command distribution method for wireless fidelity (Wi-Fi) wireless sensing network |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108769929A (en) * | 2018-05-07 | 2018-11-06 | 深圳探科技术有限公司 | A kind of more controlled plant synchronisation control means and system based on wireless network |
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Application publication date: 20150225 |