CN102685839A - Method, gateway, terminal and system for communication of Internet of things - Google Patents
Method, gateway, terminal and system for communication of Internet of things Download PDFInfo
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- CN102685839A CN102685839A CN2011100667793A CN201110066779A CN102685839A CN 102685839 A CN102685839 A CN 102685839A CN 2011100667793 A CN2011100667793 A CN 2011100667793A CN 201110066779 A CN201110066779 A CN 201110066779A CN 102685839 A CN102685839 A CN 102685839A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
Abstract
The invention provides a method, a gateway, a terminal and a system for communication of Internet of things. The method comprises the following steps that: the gateway receives route request information which comprises a target terminal address and is transmitted by a source terminal; when a target terminal is positioned in an area administered by the gateway, the gateway determines a first communication path and a first communication resource between the source terminal and the target terminal according to topology information among terminals and information of resources used by communication among the terminals in the area administered by the gateway; and the gateway transmits the information of the first communication path and the information of the first communication resource to the source terminal. By the method, the gateway, the terminal and the system, the terminals can be managed and controlled by a network.
Description
Technical field
The present invention relates to wireless domain, be specifically related to a kind of Internet of Things communication means, gateway, terminal and system.
Background technology
Along with professional the carrying out of Internet of Things, the quantity of internet-of-things terminal will sharply increase.Research institution's prediction is arranged, and the number of following internet-of-things terminal may be tens times of mobile phone terminal.Therefore, the cost that how to reduce internet-of-things terminal is a great problem of Internet of Things research field.
Fig. 1 is a possible architectures of communication networks after a kind of Internet of Things application is carried out.In order to reduce the cost of internet-of-things terminal, a lot of terminals (like the sensor node among Fig. 1) all do not have the communication module of configure mobile communication network; Gateway node is the bridge that connects sensor node and mobile communications network.In short-range communication technique such as Zigbee,, the node in the network can initiate the process of path finding when need beginning to communicate by letter.When destination node was just within the compass of competency at this gateway, the source and destination node can direct communication, node A and E among following Fig. 1; When destination node is outside this gateway administration, then need just can carry out through gateway node.Inter-node communication generally adopts the communication mechanism of CSMA/CA, and its workflow is:
1. before seeing data off, monitor media state, wait medium not to be used, keep a period of time after, still be not used after waiting for one period at random again, just see data off; Because the random time that each equipment adopts is different, so can reduce the chance of conflict;
2. before seeing data off, send one section request to transmit message (RTS, Request to Send) earlier and give destination end, after the wait destination end is responded CTS (Clear to Send) message, just begin to transmit; Utilize RTS-CTS (handshake) program of shaking hands, when guaranteeing next to transmit data, can not collided; Because the RTS-CTS package is all very little, let the invalid expense that transmits diminish.
Because what short-distance wireless communication technologies such as Zigbee used is the open frequency range of 2.4G, operator can't manage and control the terminal of this short haul connection, thereby also can't guarantee communication quality, can not realize chargeing; Simultaneously, have disturb big, shortcoming such as the availability of frequency spectrum is low, what inter-node communication was used all is common signal channel, resource utilization is low.
Summary of the invention
But first purpose of the present invention is the Internet of Things communication means that proposes a kind of management and control.
But second purpose of the present invention is the Internet of Things communication means that proposes the another kind management and control.
But the 3rd purpose of the present invention is the Internet of Things communication means that proposes another management and control.
But the 4th purpose of the present invention is the Internet of Things communication gate that proposes a kind of management and control.
But the 5th purpose of the present invention is the Internet of Things communication gate that proposes the another kind management and control.
But the 6th purpose of the present invention is the Internet of Things communication terminal that proposes a kind of management and control.
But the 7th purpose of the present invention is the Internet of Things communication system that proposes a kind of management and control.
For realizing above-mentioned first purpose, the invention provides a kind of Internet of Things communication means, comprising: the routing information request that comprises destination terminal addresses that send at gateway reception sources terminal; When target terminal is positioned at the compass of competency of gateway; Gateway is according to the topology information of terminal room in the region within the jurisdiction and the terminal room signal post information with resource; Confirm first communication path and first communication resource between source terminal and the target terminal, and the information of first communication path and first communication resource is sent to source terminal.
For realizing above-mentioned second purpose, the invention provides another kind of Internet of Things communication means, comprising: the routing information request that comprises destination terminal addresses that the affiliated gateway at gateway reception sources terminal sends; Gateway is according to the topology information of terminal room in the region within the jurisdiction and the terminal room signal post information with resource, confirms the communication path and the communication resource between self and the target terminal.
For realizing above-mentioned the 3rd purpose, the invention provides another Internet of Things communication means, comprising: source terminal sends the routing information request that comprises destination terminal addresses to affiliated gateway; The source terminal that gateway returned under source terminal received and the information of first communication path between the target terminal and first communication resource, the affiliated gateway that gateway returns under perhaps receiving and the information of second communication path between the source terminal and second communication resource; Source terminal communicates according to the information of first communication path and first communication resource or according to the information of second communication path and second communication resource.
For realizing above-mentioned the 4th purpose, the invention provides a kind of Internet of Things communication gate, comprising: receiver module is used for the routing information request that comprises destination terminal addresses that send at the reception sources terminal; Processing module is used for when target terminal is positioned at preset compass of competency, with the information of resource, confirms first communication path and first communication resource between source terminal and the target terminal according to the topology information of terminal room in the compass of competency and terminal room signal post; Sending module is used for the information of first communication path and first communication resource is sent to source terminal.
For realizing above-mentioned the 5th purpose, the invention provides another kind of Internet of Things communication gate, comprising: receiver module is used for the routing information request that comprises destination terminal addresses that the affiliated gateway at reception sources terminal sends; Processing module is used for the information with resource according to the topology information of terminal room in the region within the jurisdiction and terminal room signal post, confirms the communication path and the communication resource between self and the target terminal.
For realizing above-mentioned the 6th purpose, the invention provides a kind of Internet of Things communication terminal, comprising: request module is used for sending the routing information request that comprises destination terminal addresses to affiliated gateway; And gateway returns under receiving and target terminal between first communication path and first communication resource information or and affiliated gateway between second communication path and the information of second communication resource; Communication module is used for communicating according to the information of first communication path and first communication resource or according to the information of second communication path and second communication resource.
For realizing above-mentioned the 7th purpose, the invention provides a kind of Internet of Things communication system, comprising: the terminal is used to send the routing information request that comprises destination terminal addresses; Gateway; Be used to receive routing information request; And when target terminal is positioned at preset compass of competency;, confirm first communication path and first communication resource between terminal and the target terminal, and the information of first communication path and first communication resource is sent to the terminal with the information of resource according to the topology information of terminal room in the compass of competency and terminal room signal post.
Among each embodiment of the present invention,, take into account the advantage of short haul connection low power consumption and low cost, realize that network is managed terminal controlled can charge etc. by the gateway control allocation of communication resources.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention in the lump with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a prior art Internet of Things communication scheme;
Fig. 2 is embodiment one flow chart of Internet of Things communication means of the present invention;
Fig. 3 is embodiment two flow charts of Internet of Things communication means of the present invention;
Fig. 4 is embodiment three flow charts of Internet of Things communication means of the present invention;
Fig. 5 is the example structure figure of Internet of Things communication gate of the present invention;
Fig. 6 is the example structure figure of Internet of Things communication terminal of the present invention;
Fig. 7 is the example structure figure of Internet of Things communication system of the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Method embodiment
Fig. 2 is embodiment one flow chart of Internet of Things communication means of the present invention.As shown in Figure 2, present embodiment comprises:
Step 202: the routing information request that comprises destination terminal addresses that send at gateway reception sources terminal;
Step 204: when target terminal was positioned at the compass of competency of gateway, gateway with the information of resource, was confirmed first communication path and first communication resource between source terminal and the target terminal according to the topology information of terminal room in the region within the jurisdiction and terminal room signal post;
Step 206: the information of first communication path and first communication resource is sent to source terminal.
Preferably; When target terminal is positioned at outside the compass of competency of gateway; Gateway is according to the topology information of terminal room in the region within the jurisdiction and the terminal room signal post information with resource; Confirm second communication path and second communication resource between self and the source terminal, and the information of second communication path and second communication resource is sent to source terminal, and routing information request is forwarded to the gateway under the target terminal;
Gateway under the target terminal according to the topology information of terminal room in the region within the jurisdiction and the terminal room signal post information with resource, is confirmed the communication path and the communication resource between self and the target terminal after receiving routing information request.
Present embodiment is taken into account the advantage of short haul connection low power consumption and low cost through by the gateway control allocation of communication resources, realizes that network is managed terminal controlled can charge etc.
Fig. 3 is embodiment two sketch mapes of Internet of Things communication means of the present invention.As shown in Figure 3, present embodiment comprises:
Step 302: source terminal sends the routing information request that comprises destination terminal addresses to affiliated gateway;
Preferably, the mode that source terminal is monitored medium according to the resource or the utilization of preset control channel is sent this routing information request through control channel;
Step 304: the source terminal that gateway returned under source terminal received and the information of first communication path between the target terminal and first communication resource, the affiliated gateway that gateway returns under perhaps receiving and the information of second communication path between the source terminal and second communication resource;
Step 306: source terminal communicates according to the information of first communication path and first communication resource or according to the information of second communication path and second communication resource.
Preferably, step 304 and step 306 are carried out transmission of Information through control channel and data channel respectively, that is:
Source terminal receives first communication path of control channel forwarding and the information of first communication resource perhaps receives the second communication path of control channel forwarding and the information of second communication resource;
Source terminal communicates through data channel according to the information of first communication path and first communication resource or according to the information of second communication path and second communication resource.
Present embodiment is taken into account the advantage of short haul connection low power consumption and low cost through by the gateway control allocation of communication resources, realizes that network is managed terminal controlled can charge etc.; Preferably, the branch Channel Transmission can be avoided the phenomenon of the resource of competition common signal channel among the prior art CSMA/CA.
Fig. 4 is embodiment three flow charts of Internet of Things communication means of the present invention.As shown in Figure 4, present embodiment comprises:
Step 400; Source node (is a source terminal; Like the sensor node) the initiation route is set up process on control channel, promptly sends routing information request through control channel, during concrete operations; Can comprise in this routing information request destination node (being target terminal) the address, need data quantity transmitted size, qos requirement (like minimum transmitted data rates, the longest tolerable propagation delay time etc.);
Gateway node receives this routing information request under the step 402, source node; Generally speaking, this route is set up solicited message and can be arrived the affiliated gateway node of source node through the form of inundation or type inundation; Gateway node also may receive this routing information request from mulitpath under the source node;
Step 404, gateway node judges whether destination node belongs to preset compass of competency under the source node, and belonging to execution in step 406 during compass of competency, otherwise, execution in step 408;
Step 406; Gateway node is according to the information in the route requests under the source node; Topology information and terminal room signal post according to terminal room in the region within the jurisdiction confirm first communication path and first communication resource between source node and destination node with the information of resource, confirm the communication path and the communication resource between source node and destination node like criterions such as or time delay minimum according to jumping figure are the shortest; Continue execution in step 412;
Wherein, communication path representes which the intermediate node (being referred to as other nodes) between source node and destination node has, and the execution of step 406 needs gateway node to grasp all internodal topology informations in the region within the jurisdiction, and the information of the used resource of inter-node communication etc.; The channel that the communication resource is represented to communicate by letter and adopted, the time point of communication beginning, the time that communication continues etc.;
Step 408; Gateway node under the source node is according to the topology information of terminal room in the region within the jurisdiction and the terminal room signal post information with resource; Confirm second communication path and second communication resource between self and the source terminal; And the information of second communication path and second communication resource is sent to source terminal, and this request is transmitted to the gateway node under the destination node;
Step 410, the gateway node under the destination node be according to the topology information of terminal room in the region within the jurisdiction and the terminal room signal post information with resource, confirms the communication path and the communication resource between self and the target terminal; Continue execution in step 412;
Gateway node is notified the information of first communication resource and first communication path to source node through control channel and perhaps through control channel the information in second communication resource and second communication path is notified to source node under the step 412, source node;
During concrete operations, gateway node can also be notified the information of first communication resource and first communication path to the intermediate node between destination node and source node and destination node under this source node; It will be understood by those skilled in the art that in step 410 gateway under the destination node also can be with the communication resource of confirming and the information notification target node of communication path;
Preferably, consider factors such as re-transmission, the resource of gateway sub-distribution just maybe be not enough, can adopt following mode to continue to accomplish this time communication task:
Aa. source node is after using first communication resource or second communication resource; Also have information will send destination node to if judge; The route of having set up before then capable of using (i.e. first communication path (corresponding to first communication resource) or second communication path (corresponding to the second communication resource), gateway is initiated the resource request process (being step 402-412) of communicating by letter under source node once more;
Bb. source node in communication process periodically (according to predetermined period) or have ready conditions and trigger buffer information reporting process (according to preset trigger condition); Gateway node determines whether that according to this buffer information needs append the communication resource under the source node; And when needs append; Again confirm the new communication resource, referring to explaining of step 404-412;
Cc. gateway node is initiatively inquired the remaining information transmitted piece situation that needs of source node under the source node, confirms new resource information according to feedback again, referring to explaining of step 404-412.
The mechanism that present embodiment adopts control channel and data channel to separate through the communication of node in the sensor zone; Avoided the phenomenon of the resource of competition common signal channel among the prior art CSMA/CA; The resource that signal post through the sensor node uses is distributed by gateway node; Can manage the communication of control internet-of-things terminal effectively, improve communication efficiency, realize to manage etc. the may command of these nodes.
Device embodiment
Fig. 5 is the example structure figure of Internet of Things communication gate of the present invention.Each method embodiment shown in Fig. 2-4 all can be applicable to present embodiment.Present embodiment comprises: receiver module 50 is used for the routing information request that comprises destination terminal addresses that send at the reception sources terminal; Processing module 52 is used for when target terminal is positioned at preset compass of competency, with the information of resource, confirms first communication path and first communication resource between source terminal and the target terminal according to the topology information of terminal room in the region within the jurisdiction and terminal room signal post; Sending module 54 is used for the information of first communication path and first communication resource is sent to source terminal.
During concrete operations, this sending module 54 can comprise:
Send submodule (figure does not show); Be used for the information via control channel of first communication path and first communication resource is sent to source terminal and target terminal; And during the other-end outside communication path relates to source terminal and target terminal, the information via control channel of first communication path and first communication resource is sent to other-end.
Processing module 52 can comprise:
Judge submodule 522, be used to judge whether target terminal is positioned at the compass of competency of gateway; And when target terminal is positioned at outside the compass of competency of gateway, routing information request is forwarded to the gateway under the target terminal through sending module 54;
Processing sub 524 is used for when judging that submodule 522 judges that target terminals are positioned at the compass of competency of gateway, with the information of resource, confirms first communication path and first communication resource according to the topology information of terminal room in the region within the jurisdiction and terminal room signal post; And outside target terminal is positioned at the compass of competency time; According to the topology information of terminal room in the compass of competency and terminal room signal post information with resource; Confirm second communication path and second communication resource between self and the source terminal, and the information of second communication path and second communication resource is sent to source terminal through sending module 54.
This gateway can also comprise:
Enquiry module 56 is used to inquire the residue data amount transmitted of source terminal; And when target terminal is positioned at outside the compass of competency of gateway, the residue data amount transmitted is forwarded to the gateway under the target terminal through sending module 54;
Resource determination module 58; Be used for when target terminal is positioned at the compass of competency of gateway, confirm the third communication resource between source terminal and the target terminal with the information and the residue data amount transmitted of resource according to the topology information of terminal room in the compass of competency, terminal room signal post; And outside target terminal is positioned at the compass of competency time,, confirm the four-way letter resource between self and the source terminal according to the topology information of terminal room in the compass of competency, terminal room signal post information and residue data amount transmitted with resource; And the information of third communication resource or four-way letter resource is sent to source terminal through sending module.
It will be understood by those skilled in the art that at gateway during that above-mentioned receiver module 50 can also be used for the routing information request that comprises destination terminal addresses that the affiliated gateway at reception sources terminal sends as the gateway under the target terminal; Processing module 52 can also be used for the information with resource according to the topology information of terminal room in the region within the jurisdiction and terminal room signal post, confirms the communication path and the communication resource between self and the target terminal; Further, receiver module 50 can also comprise that one receives submodule (figure does not show), is used to receive the residue data amount transmitted of the source terminal that the affiliated gateway of routing information request and source terminal sends; Processing module 52 can also comprise: first confirms submodule (figure does not show); Be used for after the reception submodule receives routing information request; According to the topology information of terminal room in the region within the jurisdiction and terminal room signal post information with resource; Confirm the communication path and the communication resource between self and the target terminal, and second confirm submodule (figure does not show), be used for after receiving submodule and receiving the residue data amount transmitted of source terminal; According to the topology information of terminal room in the region within the jurisdiction, terminal room signal post information and residue data amount transmitted, confirm the new communication path and the communication resource between self and the target terminal with resource.Present embodiment realizes that through processing module 52 resource that the signal post of sensor nodes uses distributed by gateway node; Avoided the phenomenon of the resource of competition common signal channel among the prior art CSMA/CA; Can manage the communication of control internet-of-things terminal effectively; Improve communication efficiency, realize to manage the may command of these nodes.
Fig. 6 is the example structure figure of Internet of Things communication terminal of the present invention.Each method embodiment shown in Fig. 2-4 all can be applicable to present embodiment.Present embodiment comprises: request module 60 is used for sending the routing information request that comprises destination terminal addresses to affiliated gateway; And gateway returns under receiving and target terminal between first communication path and first communication resource information or and affiliated gateway between second communication path and the information of second communication resource; Communication module 62 is used for communicating according to the information of first communication path and first communication resource or according to the information of second communication path and second communication resource.
During concrete operations, can also comprise:
Judge module 64 is used for after using first communication resource, judging whether to exist transferred information, and when there is transferred information in judgement, utilizes first communication path to communicate resource request; Perhaps after using the second communication resource, judge whether to exist transferred information, and when there is transferred information in judgement, utilize the second communication path to communicate resource request;
Reporting module 66 is used for according to predetermined period or according to preset trigger condition, reports the information (like buffer information) that is used to indicate the residue data amount transmitted through control channel to affiliated gateway, and receives the new communication resource of affiliated gateway according to this feedback information.
Communication module comprises communicator module (figure do not show), is used for communicating through data channel according to the information of first communication path and first communication resource or according to the information of second communication path and second communication resource.
System embodiment
Fig. 7 is the example structure figure of Internet of Things communication system of the present invention.Each method embodiment shown in Fig. 2-4 all can be applicable to present embodiment.Present embodiment comprises:
Terminal 70 is used to send the routing information request that comprises destination terminal addresses;
Preferably, transmit through control channel and data channel and gateway 72 etc. respectively at terminal 70, sees explaining of Fig. 4 for details, and explaining of Fig. 6 seen at terminal 70 for details; This system can also comprise: gateway 74 under the target terminal; Be used for when target terminal is positioned at outside the compass of competency of gateway 72; Receive the routing information request that gateway 72 is transmitted; And according to the topology information of all terminal rooms in self region within the jurisdiction and each terminal room signal post with the information of resource, confirm the communication path and the communication resource between terminal 70 and the target terminal.
The resource that the signal post of present embodiment through the sensor node uses is distributed by gateway node; Avoided the phenomenon of the resource of competition common signal channel among the prior art CSMA/CA; Can manage the communication of control internet-of-things terminal effectively, improve communication efficiency, realize to manage the may command of these nodes.
What should explain at last is: more than be merely the preferred embodiments of the present invention; Be not limited to the present invention; Although the present invention has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (27)
1. an Internet of Things communication means is characterized in that, comprising:
The routing information request that comprises destination terminal addresses that send at gateway reception sources terminal;
When said target terminal is positioned at the compass of competency of said gateway; Said gateway is according to the topology information of terminal room in the region within the jurisdiction and the terminal room signal post information with resource; Confirm first communication path and first communication resource between said source terminal and the target terminal, and the information of said first communication path and first communication resource is sent to said source terminal.
2. Internet of Things communication means according to claim 1; It is characterized in that the step of the routing information request that comprises destination terminal addresses that send at said gateway reception sources terminal comprises: said gateway receives the said routing information request that transmits through control channel;
The step that said information with said first communication path and first communication resource is sent to said source terminal comprises: the information via control channel of said first communication path and first communication resource is sent to said source terminal.
3. Internet of Things communication means according to claim 1 is characterized in that, also comprises after first communication path between said definite said source terminal and target terminal and the step of first communication resource:
The information of said first communication path and first communication resource is sent to said target terminal;
When said first communication path relates to the other-end outside said source terminal and the target terminal, the information of said first communication path and first communication resource is sent to said other-end.
4. require each described Internet of Things communication means among the 1-3 according to aforesaid right, it is characterized in that, also comprise after the step of the routing information request that comprises destination terminal addresses that sends at said gateway reception sources terminal:
When said target terminal is positioned at outside the compass of competency of said gateway; Said gateway is according to the topology information of terminal room in the region within the jurisdiction and the terminal room signal post information with resource; Confirm second communication path and second communication resource between self and the said source terminal; And the information of said second communication path and second communication resource is sent to said source terminal, and said routing information request is forwarded to the gateway under the said target terminal.
5. Internet of Things communication means according to claim 4 is characterized in that, also comprises:
Gateway under the said target terminal according to the topology information of terminal room in the region within the jurisdiction and the terminal room signal post information with resource, is confirmed the communication path and the communication resource between self and the said target terminal after receiving the routing information request of said forwarding.
6. Internet of Things communication means according to claim 4; It is characterized in that, the information of said first communication path and first communication resource is sent to said source terminal or after said gateway is sent to the information of said second communication path and second communication resource the step of said source terminal, also comprises at said gateway:
Said gateway is inquired the residue data amount transmitted of said source terminal;
When said target terminal is positioned at the compass of competency of said gateway; Said gateway is confirmed the third communication resource between said source terminal and the target terminal according to topology information, the terminal room signal post of terminal room in the region within the jurisdiction with the information and the said residue data amount transmitted of resource, and information to the said source terminal that the information of said third communication resource is sent;
When said target terminal is positioned at outside the compass of competency of said gateway; Said gateway is according to the topology information of terminal room in the region within the jurisdiction, terminal room signal post information and the said residue data amount transmitted with resource; Confirm the four-way letter resource between self and the said source terminal; And the information of said four-way letter resource is sent to said source terminal, and said residue data amount transmitted is forwarded to the gateway under the said target terminal.
7. Internet of Things communication means according to claim 6 is characterized in that, also comprises:
Gateway under the said target terminal is after receiving the residue data amount transmitted of said forwarding; According to the topology information of terminal room in the region within the jurisdiction, terminal room signal post information and said residue data amount transmitted, confirm the new communication path and the communication resource between self and the said target terminal with resource.
8. require each described Internet of Things communication means among the 1-3 according to aforesaid right, it is characterized in that, the said communication resource comprises channel, initiation of communication time and the communication duration that communication is adopted.
9. an Internet of Things communication means is characterized in that, comprising:
The routing information request that comprises destination terminal addresses that the affiliated gateway at gateway reception sources terminal sends;
Said gateway is according to the topology information of terminal room in the region within the jurisdiction and the terminal room signal post information with resource, confirms the communication path and the communication resource between self and the said target terminal.
10. Internet of Things communication means according to claim 9 is characterized in that, after the said step of confirming the communication path between self and the said target terminal and the communication resource, also comprises:
Said gateway is after the residue data amount transmitted of the said source terminal that the affiliated gateway that receives said source terminal sends; According to the topology information of terminal room in the region within the jurisdiction, terminal room signal post information and said residue data amount transmitted, confirm the new communication path and the communication resource between self and the said target terminal with resource.
11. an Internet of Things communication means is characterized in that, comprising:
Source terminal sends the routing information request that comprises destination terminal addresses to affiliated gateway;
The said source terminal that gateway returned under said source terminal reception was said and the information of first communication path between the target terminal and first communication resource perhaps receive said affiliated gateway and the second communication path between the said source terminal and the information of second communication resource that said affiliated gateway returns;
Said source terminal communicates according to the information of said first communication path and first communication resource or according to the information of said second communication path and second communication resource.
12. Internet of Things communication means according to claim 11 is characterized in that, said source terminal comprises to the step that affiliated gateway sends the routing information request that comprises destination terminal addresses:
The mode that said source terminal is monitored medium according to the resource or the utilization of preset control channel is sent said routing information request through control channel;
Said source terminal receive said under the said source terminal that returns of gateway and the information of first communication path between the target terminal and first communication resource, perhaps receive said under gateway return said under the step of information of second communication path and second communication resource between gateway and the said source terminal comprise:
Said source terminal receives said first communication path of control channel forwarding and the information of first communication resource perhaps receives the said second communication path of control channel forwarding and the information of second communication resource;
Said source terminal is according to the information of said first communication path and first communication resource or according to the information of said second communication path and second communication resource, the step that communicates comprises:
Said source terminal communicates through data channel according to the information of said first communication path and first communication resource or according to the information of said second communication path and second communication resource.
13. according to claim 11 or 12 described Internet of Things communication meanss, it is characterized in that, in said source terminal communication process, also comprise:
Said source terminal judges whether to exist transferred information after using said first communication resource, and when there is transferred information in judgement, utilizes said first communication path to communicate resource request; Perhaps
Said source terminal judges whether to exist transferred information after using said second communication resource, and when there is transferred information in judgement, utilizes said second communication path to communicate resource request.
14. according to claim 11 or 12 described Internet of Things communication meanss, it is characterized in that, in said source terminal communication process, also comprise:
Said source terminal reports the information that is used to indicate the residue data amount transmitted according to predetermined period or according to preset trigger condition to said affiliated gateway.
15. an Internet of Things communication gate is characterized in that, comprising:
Receiver module is used for the routing information request that comprises destination terminal addresses that send at the reception sources terminal;
Processing module; Be used for when said target terminal is positioned at preset compass of competency; With the information of resource, confirm first communication path and first communication resource between said source terminal and the target terminal according to the topology information of terminal room in the said compass of competency and terminal room signal post;
Sending module is used for the information of said first communication path and first communication resource is sent to said source terminal.
16. Internet of Things communication gate according to claim 15 is characterized in that sending module comprises:
Send submodule; Be used for the information via control channel of said first communication path and first communication resource is sent to said source terminal and target terminal; And during the other-end outside said communication path relates to said source terminal and target terminal, the information via control channel of said first communication path and first communication resource is sent to said other-end.
17. Internet of Things communication gate according to claim 15 is characterized in that, said processing module comprises:
Judge submodule, be used to judge whether said target terminal is positioned at said compass of competency; And outside said target terminal is positioned at said compass of competency the time, said routing information request is forwarded to the gateway under the said target terminal through said sending module;
Processing sub; Be used for when said judgement submodule judges that said target terminal is positioned at said compass of competency; With the information of resource, confirm said first communication path and first communication resource according to the topology information of terminal room in the said compass of competency and terminal room signal post; And outside said target terminal is positioned at said compass of competency the time; According to the topology information of terminal room in the said compass of competency and terminal room signal post information with resource; Confirm second communication path and second communication resource between self and the said source terminal, and the information of said second communication path and second communication resource is sent to said source terminal through said sending module.
18. require 15 or 17 described Internet of Things communication gates according to aforesaid right, it is characterized in that, also comprise:
Enquiry module is used to inquire the residue data amount transmitted of said source terminal, and outside said target terminal is positioned at said compass of competency the time, and said residue data amount transmitted is forwarded to the gateway under the said target terminal through said sending module;
The resource determination module; Be used for when said target terminal is positioned at said compass of competency, confirm the third communication resource between said source terminal and the target terminal with the information and the said residue data amount transmitted of resource according to topology information, the terminal room signal post of terminal room in the said compass of competency; And outside said target terminal is positioned at said compass of competency the time,, confirm the four-way letter resource between self and the said source terminal according to the topology information of terminal room in the said compass of competency, terminal room signal post information and said residue data amount transmitted with resource; And the information of said third communication resource or four-way letter resource is sent to said source terminal through said sending module.
19. an Internet of Things communication gate is characterized in that, comprising:
Receiver module is used for the routing information request that comprises destination terminal addresses that the affiliated gateway at reception sources terminal sends;
Processing module is used for the information with resource according to the topology information of terminal room in the region within the jurisdiction and terminal room signal post, confirms the communication path and the communication resource between self and the said target terminal.
20. Internet of Things communication gate according to claim 19 is characterized in that said receiver module comprises the reception submodule, is used to receive the residue data amount transmitted of the said source terminal that the affiliated gateway of said routing information request and said source terminal sends.
21. Internet of Things communication gate according to claim 20 is characterized in that, said processing module comprises:
First confirms submodule; Be used for after said reception submodule receives said routing information request; According to the topology information of terminal room in the region within the jurisdiction and terminal room signal post information, confirm the communication path and the communication resource between self and the said target terminal with resource;
Second confirms submodule; Be used for after said reception submodule receives the residue data amount transmitted of said source terminal; According to the topology information of terminal room in the region within the jurisdiction, terminal room signal post information and said residue data amount transmitted, confirm the new communication path and the communication resource between self and the said target terminal with resource.
22. an Internet of Things communication terminal is characterized in that, comprising:
Request module is used for sending the routing information request that comprises destination terminal addresses to affiliated gateway; And receive said under gateway return and target terminal between first communication path and first communication resource information or and said under second communication path and the information of second communication resource between the gateway;
Communication module is used for communicating according to the information of said first communication path and first communication resource or according to the information of said second communication path and second communication resource.
23. Internet of Things communication terminal according to claim 22 is characterized in that, also comprises:
Judge module is used for after using said first communication resource, judging whether to exist transferred information, and when there is transferred information in judgement, utilizes said first communication path to communicate resource request; Perhaps after using said second communication resource, judge whether to exist transferred information, and when there is transferred information in judgement, utilize said second communication path to communicate resource request.
24., it is characterized in that: also comprise according to claim 22 or 23 described Internet of Things communication terminals:
Reporting module is used for according to predetermined period or according to preset trigger condition, reports the information that is used to indicate the residue data amount transmitted through control channel to said affiliated gateway, and receives the new communication resource of said affiliated gateway according to said feedback information.
25. according to claim 22 or 23 described Internet of Things communication terminals; It is characterized in that: said communication module comprises the communicator module; Be used for communicating through data channel according to the information of said first communication path and first communication resource or according to the information of said second communication path and second communication resource.
26. an Internet of Things communication system is characterized in that, comprising:
The terminal is used to send the routing information request that comprises destination terminal addresses;
Gateway; Be used to receive said routing information request; And when said target terminal is positioned at preset compass of competency;, confirm first communication path and first communication resource between said terminal and the target terminal, and the information of said first communication path and first communication resource is sent to said terminal with the information of resource according to the topology information of terminal room in the said compass of competency and terminal room signal post.
27. Internet of Things communication system according to claim 26; It is characterized in that; Also comprise: the gateway under the said target terminal is used for when said target terminal is positioned at outside the compass of competency of said gateway, receiving the routing information request of said gateway forwards; And, confirm the communication path and the communication resource between self and the target terminal according to the topology information of terminal room in self region within the jurisdiction and terminal room signal post information with resource.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110066779.3A CN102685839B (en) | 2011-03-18 | 2011-03-18 | Method, gateway, terminal and system for communication of Internet of things |
| PCT/CN2012/072451 WO2012126333A1 (en) | 2011-03-18 | 2012-03-16 | Internet of things communication method, gateway, terminal and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110066779.3A CN102685839B (en) | 2011-03-18 | 2011-03-18 | Method, gateway, terminal and system for communication of Internet of things |
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Also Published As
| Publication number | Publication date |
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| CN102685839B (en) | 2014-12-31 |
| WO2012126333A1 (en) | 2012-09-27 |
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