CN105516009A - Method and device for asking for access to network by access point, network architecture - Google Patents
Method and device for asking for access to network by access point, network architecture Download PDFInfo
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- CN105516009A CN105516009A CN201510884910.5A CN201510884910A CN105516009A CN 105516009 A CN105516009 A CN 105516009A CN 201510884910 A CN201510884910 A CN 201510884910A CN 105516009 A CN105516009 A CN 105516009A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
Abstract
The invention discloses a method and device for asking for access to a network by an access point, and network architecture. The method comprises: receiving beacon information broadcasted by multiple switching nodes; respectively calculating the signal to noise ratios, the hierarchy information and the link costs with the access point of the multiple switching nodes; carrying out weighting processing to the multiple switching nodes according to the calculated signal to noise ratios, the hierarchy information and the link costs with the access point so as to obtain the weight values of the multiple switching nodes, selecting the switching node with relatively high weight value; sending a register request to the switching node with the relatively high weight value so as to ask for access to the network through the switching node with the relatively high weight value. According to the invention, the communication quality is improved; the load of the basic node is reduced; and the network traffic is saved.
Description
Technical field
The present invention relates to communication technical field, particularly relate to method and device, the network architecture of a kind of access point request networking.
Background technology
Power line carrier communication PLC (PowerlineCommunications, be called for short PLC), it is a kind of communication mode utilizing the multimedia service signals such as low-voltage distributing line transmitting high speed data, voice, image, dissimilar power line carrier communication uses different frequency ranges, controls different frequency ranges by applying modulated carrier signal.After electric power is lifted to the voltage of hundreds of thousands volt in transformer, arrives the transformer of electricity consumption end, in the transformer of electricity consumption end, flow to consumer after step-down.Such as, transformer is divided into 70kv electric power, 20kv, 220v etc., and the distributing electric power of 70kv is to integrated mill, and the distributing electric power of 20kv is to medium sized factory, and the distributing electric power of 220v is to the resident of community.Under each transformer of electricity consumption end, mount a concentrator, be used for collecting the electricity consumption data of each consumer, realize the function that remote meter reading and teledata issue.
First concentrator broadcast beacon information, response message replied by the ammeter receiving beacon message, concentrator is ammeter assignment logic address after receiving response message, then the ammeter in return ammeter that logical address is little is specified, the ammeter not receiving beacon message sends registration request to exchange ammeter, and the ammeter not receiving beacon message is networked by exchanging ammeter.The ammeter that in prior art, prioritizing selection logical address is little makees exchange ammeter, can cause networking result and non-optimal, and the ammeter do not networked sends request to path length during exchange ammeter, and communication quality is bad; When finding that there is ammeter from net, the whole network broadcast can find off-grid node, causing network congestion, waste network traffics.
Summary of the invention
The object of this invention is to provide method and device, the network architecture of a kind of access point request networking, to solve the network congestion existed in prior art, the problem of network traffics waste.
For achieving the above object, the invention provides following scheme:
The method that access point request networks, described method comprises:
Receive the beacon message of multiple switching node broadcast; Calculate the described signal to noise ratio of multiple switching node, the link cost between hierarchical information and access point respectively; According to the link cost between the described signal to noise ratio calculated, described hierarchical information, described and access point, process is weighted to described multiple switching node, obtain the weights of described multiple switching node, and the switching node larger according to the Weight selected weights of described multiple switching node; Send registration request to weighing the larger switching node of described value, to be networked by the switching node request that described weights are larger.
Preferably, the described switching node larger according to the Weight selected weights of multiple switching node specifically comprises: obtain the larger switching node of described weights by following formula:
MAX(s)＝snr*SNR_WEIGTH+(upcost
s*UPCOST_WEIGHT+downcost
s*DOWNCOST_WEIGHT)*LEVEL_WEIGHT
levels
Wherein, s is the set that described access point receives the switching node of beacon message, and MAX (s) is the switching node of maximum weight described in the set of described multiple switching node composition, and snr represents the signal to noise ratio of switching node and access point, SNR_WEIGTH is the weights of signal to noise ratio, upcost
srepresent the up link cost of switching node to base node, UPCOST_WEIGHT is the weights of up link cost, downcost
srepresent the down link cost of base node to switching node, DOWNCOST_WEIGHT is the weights of down link cost, level
srepresent the hierarchical information of switching node, LEVEL_WEIGHT is the weights of hierarchical information.
Preferably, the link cost between described described signal to noise ratio according to calculating, described hierarchical information, described and access point, is weighted process to described multiple switching node and specifically comprises:
Respectively to the link cost between the described signal to noise ratio of described multiple switching node calculated, described hierarchical information, described and access point, by order sequence from small to large;
Respectively give weights to described multiple switching node in order, obtain the weights of signal to noise ratio, link cost between hierarchical information and access point, the weights wherein giving the preceding switching node of sequence are large.
Preferably, described transmission registration request is to after the switching node that weights are larger, and described method also comprises:
Receive the message that the larger switching node of described weights forwards; Renewal rewards theory is carried out according to described message.
Preferably, described method also comprises:
When the switching node forwarding messages failure that described weights are larger, the switching node larger according to the Weight selected weights of remaining switching node.
The invention provides the method that another access point request networks, described method comprises:
After switching node receives the beacon configuration information of base node transmission, to access point broadcast beacon information; Receive the registration information that access point sends; Forward the NID of base node transmission to access point, so that described access point is networked by described switching node request, wherein, NID is described base node is that access point distributes.
Preferably, described method also comprises:
Described switching node receives the message that described base node sends; Described message is transmitted to described access point, so that described access point carries out renewal rewards theory according to message.
With said method accordingly, the invention provides a kind of access point request network device, described device comprises:
Receiving element, for receiving the beacon message of multiple switching node broadcast;
Computing unit, for calculating the described signal to noise ratio of multiple switching node, the link cost between hierarchical information and access point respectively;
Selected cell, for according to the link cost between the described signal to noise ratio calculated, described hierarchical information, described and access point, process is weighted to described multiple switching node, obtain the weights of described multiple switching node, and the switching node larger according to the Weight selected weights of described multiple switching node;
Transmitting element, for sending registration request to weighing the larger switching node of described value, to network by the switching node request that described weights are larger.
The invention provides the device that another access point request networks, described device comprises:
Radio unit, receive the beacon configuration information of base node transmission for switching node after, to access point broadcast beacon information;
Receiving element, for receiving the registration information that access point sends;
Retransmission unit, for forwarding the NID of base node transmission to access point, so that described access point is networked by described switching node request, wherein, NID is described base node is that access point distributes.
The invention provides a kind of network architecture, the described network architecture comprises:
Concentrator, for broadcast beacon information;
Exchange ammeter, for receive concentrator broadcast beacon message after, to ammeter broadcast beacon information;
Described ammeter, for receive multiple exchange ammeter broadcast beacon message after, calculate the described signal to noise ratio of multiple exchange ammeter, the link cost between hierarchical information and described ammeter respectively; According to the link cost between the described signal to noise ratio calculated, described hierarchical information, described and ammeter, process is weighted to described multiple exchange ammeter, obtain the weights of described multiple exchange ammeter, and the exchange ammeter larger according to the Weight selected weights of described multiple exchange ammeter; Send registration request to the larger exchange ammeter of described weights, so that by the larger exchange ammeter request networking of described weights.
Compared with prior art, the invention discloses following technique effect:
By the embodiment of the present application, calculate the signal to noise ratio of multiple switching node, the link cost between hierarchical information and access point respectively; According to the signal to noise ratio of calculating, the link cost between hierarchical information and access point, process is weighted to multiple switching node, obtains the weights of multiple switching node, and the switching node larger according to the Weight selected weights of multiple switching node; Send registration request to the larger switching node of weights, to be networked by the switching node request that weights are larger, make base node, by switching node, message is transmitted to access point smoothly; Avoid base node when sending the access point of message to distance, because noise jamming causes communication to have some setbacks, improve communication quality, reduce the burden of base node, save network traffics.Make distance concentrator ammeter far away also can ask smoothly to network and receive the message of concentrator further.
Certainly, the arbitrary product implementing the application might not need to reach above-described all advantages simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The network architecture schematic diagram of the electric line carrier communication that Fig. 1 provides for the embodiment of the present application;
The method flow diagram that the access point request that Fig. 2 provides for the embodiment of the present application networks;
Fig. 3 receives the schematic diagram of the beacon message of multiple switching node broadcast for access point that the embodiment of the present application provides;
The method flow diagram that the access point request that Fig. 4 provides for another embodiment of the application networks;
The device schematic diagram that the access point request that Fig. 5 provides for the embodiment of the present application networks;
The device schematic diagram that the access point request that Fig. 6 provides for another embodiment of the application networks;
The network architecture schematic diagram that Fig. 7 provides for the embodiment of the present application.
Embodiment
For making the goal of the invention of the application, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is described, obviously, described embodiment is only some embodiments of the present application, and not all embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
In the embodiment of the present application, the network architecture schematic diagram of electric line carrier communication shown in Figure 1.Power line carrier communication PLC (PowerlineCommunications, be called for short PLC), it is a kind of communication mode utilizing the multimedia service signals such as low-voltage distributing line transmitting high speed data, voice, image, dissimilar power line carrier communication uses different frequency ranges, controls different frequency ranges by applying modulated carrier signal.After electric power is lifted to the voltage of hundreds of thousands volt in transformer, arrives the transformer of electricity consumption end, in the transformer of electricity consumption end, flow to consumer after step-down.Such as, transformer is divided into 70kv electric power, 20kv, 220v etc., and the distributing electric power of 70kv is to integrated mill, and the distributing electric power of 20kv is to medium sized factory, and the distributing electric power of 220v is to the resident of community.Under each transformer of electricity consumption end, mount a concentrator, be used for collecting the electricity consumption data of each consumer, realize the function that remote meter reading and teledata issue.
In the network of tree, data are sent to exchange ammeter by ammeter, exchange ammeter, according to specified path, data are sent to concentrator.When the ammeter request that do not network networks, can select one from the exchange ammeter close to oneself, being connected by near exchange ammeter and concentrator is networked.But affect by the factor such as communication distance, chain environment, because the exchange ammeter in networking has multiple, in order to avoid other ammeters (comprise the ammeter do not networked or the ammeter just networked, the i.e. ammeter of non-exchange ammeter) and the communication quality that exchanges between ammeter poor, other ammeters need to select suitable exchange ammeter to forward beacon message exchanging in ammeter.How the embodiment of the present application chooses optimum exchange ammeter if mainly solving.
Embodiment one
The method flow diagram that the access point request that Fig. 2 provides for the embodiment of the present application networks.The executive agent of this embodiment can be access point, and see Fig. 2, the method that access point request networks specifically comprises the following steps:
Step 101, access point receive the beacon message of multiple switching node broadcast.
Access point or switching node can be aforementioned in ammeter, base node can be aforementioned in concentrator.
Beacon message can be that the information that switching node sends according to base node produces, and can be that switching node periodically sends beacon message, at least comprise: the signal to noise ratio of switching node, the link cost between hierarchical information and access point.
An access point receives the beacon message of multiple switching node broadcast, and the beacon message of each switching node broadcast of reception includes: the signal to noise ratio of switching node, the link cost between hierarchical information and access point.
Such as, access point as shown in Figure 3 receives the schematic diagram of the beacon message of multiple switching node broadcast, and access point D5 receives the beacon message of switching node T2, T3 and T4 broadcast.The beacon message that D5 receives T2 broadcast comprises: when receiving beacon message, the signal to noise ratio of T2, hierarchical information, and the link cost between T2 and D5.
Step 102, calculate the signal to noise ratio of multiple switching node, the link cost between hierarchical information and access point respectively.
The signal to noise ratio of switching node is the signal to noise ratio of access point when receiving the beacon message of this switching node broadcast; Hierarchical information is the level of this switching node in networking; Link cost comprises up link cost and down link cost, and the link cost between access point be switching node broadcast beacon information to access point time, down link cost between switching node and access point, access point is to the up link cost of switching node.
Step 103, the signal to noise ratio according to calculating, link cost between hierarchical information and access point, be weighted process to multiple switching node, obtain the weights of multiple switching node, and the switching node larger according to the Weight selected weights of multiple switching node.
When specific implementation, respectively to the signal to noise ratio of multiple switching nodes, the link cost between hierarchical information and access point that calculate, by order sequence from small to large; Respectively give weights to multiple switching node in order, obtain the weights of signal to noise ratio, link cost between hierarchical information and access point, the weights wherein giving the preceding switching node of sequence are large.Can be arranged in the scope of 1-10 by the weights of imparting, numerical value 10 represents optimum, and data 0 represent the poorest.
Wherein, be weighted in processing procedure to the hierarchical information of switching node, when selecting to ensure channel utilization, to the hierarchical information of multiple switching node, by order from small to large, multiple switching node imparting weights are obtained to the weights of hierarchical information, the weights wherein giving the preceding switching node of sequence are large; Or when selecting to ensure communication success rate, to the hierarchical information of multiple switching node, by order from big to small, multiple switching node imparting weights are obtained to the weights of hierarchical information, the weights wherein giving the preceding switching node of sequence are large.
The hierarchical information of the switching node be directly connected with base node is 0 grade, and the progression of other node is that it adds 1 with the progression of the switching node be connected.The number of times that packet forwards is directly proportional to node level progression, and level progression is more, and channel utilization is lower.When the node level that link cost is identical is different, if the node that prioritizing selection level is few, then ensure that the utilance of channel, but the success rate of data packet communication may decline to some extent; If the node that prioritizing selection level is many, then ensure that the success rate of packet, but channel utilization will decline to some extent.
Particularly, according to the weights of multiple switching node, select by following formula the switching node that weights are larger:
MAX(s)＝snr*SNR_WEIGTH+(upcost
s*UPCOST_WEIGHT+downcost
s*DOWNCOST_WEIGHT)*LEVEL_WEIGHT
levels
Wherein, s is the set of switching node that access point receives beacon message, the switching node of maximum weight in the set that MAX (s) forms for multiple switching node, and snr represents the signal to noise ratio of switching node and access point, SNR_WEIGTH is the weights of signal to noise ratio, upcost
srepresent the up link cost of switching node to base node, UPCOST_WEIGHT is the weights of up link cost, downcost
srepresent the down link cost of base node to switching node, DOWNCOST_WEIGHT is the weights of down link cost, level
srepresent the hierarchical information of switching node, LEVEL_WEIGHT is the weights of hierarchical information.
Step 104, send registration request to the larger switching node of weights, to be networked by the switching node request that weights are larger.
This step is in order to access point is networked by the switching node request that weights are larger, specifically send registration request to after the larger switching node of weights, registration request is transmitted to base node by the switching node that weights are larger, base node is that access point distributes NID (NodeIdentifier, be called for short NID, Chinese node identification), NID is sent to access point by the switching node that weights are larger by base node.
Such as, see Fig. 3, suppose that D5 have selected the larger switching node T3 of weights from switching node T2, T3 and T4, send registration request to T3, registration request is transmitted to base node BS (basestation is called for short BS, Chinese base station or base node) by T3, base node is that access point D5 distributes NID, and NID is sent to access point D5 by T3 by base node.
Alternatively, access point sends registration request to after the switching node that weights are larger, receives the message that the larger switching node of weights sends; Renewal rewards theory is carried out again according to message.
Alternatively, when the switching node forwarding messages failure that weights are larger, the switching node larger according to the Weight selected weights of remaining switching node.
Embodiment two
In previous embodiment one, mainly from the angle of access point, the method that access point request networks is introduced, in the embodiment two corresponding with embodiment one, mainly from the angle of switching node, the method that access point request networks is introduced.The method flow diagram that the access point request that the embodiment of the present application shown in Figure 4 provides networks.The executive agent of this embodiment can be switching node, and the method can comprise the following steps:
After step 201, switching node receive the beacon configuration information of base node transmission, to access point broadcast beacon information;
The registration information that step 202, reception access point send;
The NID that step 203, forwarding base node send is to access point, so that described access point is networked by described switching node request, wherein, NID is described base node is that access point distributes.
Alternatively, described switching node receives the message that described base node sends; Described message is transmitted to described access point, so that described access point carries out renewal rewards theory according to message.
Because this embodiment two is methods corresponding with embodiment one, angle is just described different, details is realized in embodiment two in each step, all on the books in embodiment one, implement, therefore, the relevant details that realizes see the introduction in embodiment one, can not repeat them here.
Embodiment three
Corresponding with the method that the access point request that the embodiment of the present application one provides networks, the embodiment of the present application additionally provides the device that a kind of access point request networks, executive agent can be access point, such as, ammeter, the device schematic diagram that access point request shown in Figure 5 networks, the device that this access point request networks specifically can comprise:
Receiving element 501, for receiving the beacon message of multiple switching node broadcast;
Computing unit 502, for calculating the described signal to noise ratio of multiple switching node, the link cost between hierarchical information and access point respectively;
Selected cell 503, for according to the link cost between the described signal to noise ratio calculated, described hierarchical information, described and access point, process is weighted to described multiple switching node, obtain the weights of described multiple switching node, and the switching node larger according to the Weight selected weights of described multiple switching node;
Transmitting element 504, for sending registration request to weighing the larger switching node of described value, to network by the switching node request that described weights are larger.
Because this embodiment three is the corresponding devices of embodiment one, in embodiment three in each step, realize details, all on the books in embodiment one, implement, therefore, the relevant details that realizes see the introduction in embodiment one, can not repeat them here.
Embodiment four
Corresponding with the method that the access point request that the embodiment of the present application two provides networks, the embodiment of the present application additionally provides the device that a kind of access point request networks, executive agent can be switching node, such as, exchange ammeter, the device schematic diagram that access point request shown in Figure 6 networks, the device that this access point request networks specifically can comprise:
Radio unit 601, receive the beacon configuration information of base node transmission for switching node after, to access point broadcast beacon information;
Receiving element 602, for receiving the registration information that access point sends;
Retransmission unit 603, for forwarding the NID of base node transmission to access point, so that described access point is networked by described switching node request, wherein, NID is described base node is that access point distributes.
Because this embodiment four is the corresponding devices of embodiment two, in embodiment four in each step, realize details, all on the books in embodiment two, implement, therefore, the relevant details that realizes see the introduction in embodiment two, can not repeat them here.
Embodiment five
The embodiment of the present application additionally provides a kind of network architecture, network architecture schematic diagram shown in Figure 7, and this network architecture specifically can comprise:
Concentrator 701, for broadcast beacon information;
Exchange ammeter 702, for receive concentrator send beacon configuration information after, to ammeter broadcast beacon information;
Described ammeter 703, for receive multiple exchange ammeter broadcast beacon message after, calculate the described signal to noise ratio of multiple exchange ammeter, the link cost between hierarchical information and described ammeter respectively; According to the link cost between the described signal to noise ratio calculated, described hierarchical information, described and ammeter, process is weighted to described multiple exchange ammeter, obtain the weights of described multiple exchange ammeter, and the exchange ammeter larger according to the Weight selected weights of described multiple exchange ammeter; Send registration request to the larger exchange ammeter of described weights, so that by the larger exchange ammeter request networking of described weights.
Due to the network architecture that this embodiment five is based on above-described embodiment, in embodiment five in each step, realize details, all on the books in the above-described embodiments, implement, therefore, the relevant details that realizes see the introduction in above-described embodiment, can not repeat them here.
Therefore, by the embodiment of the present application, calculate the signal to noise ratio of multiple switching node, the link cost between hierarchical information and access point respectively; According to the signal to noise ratio of calculating, the link cost between hierarchical information and access point, process is weighted to multiple switching node, obtains the weights of multiple switching node, and the switching node larger according to the Weight selected weights of multiple switching node; Send registration request to the larger switching node of weights, to be networked by the switching node request that weights are larger, make base node, by switching node, message is transmitted to access point smoothly; Avoid base node when sending the access point of message to distance, because noise jamming causes communication to have some setbacks, improve communication quality, reduce the burden of base node, save network traffics.Make distance concentrator ammeter far away also can ask smoothly to network and receive the message of concentrator further.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Especially, for system or system embodiment, because it is similar to embodiment of the method, so describe fairly simple, relevant part illustrates see the part of embodiment of the method.System described above and system embodiment are only schematic, the wherein said unit illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
Those of ordinary skill in the art should recognize further, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with electronic hardware, computer software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, generally describe composition and the step of each example in the above description according to function.These functions hold track with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Those of ordinary skill in the art can use distinct methods to realize described function to each specifically should being used for, but this realization should not think the scope exceeding the application.
The method described in conjunction with embodiment disclosed herein or the step of algorithm can hold the software module of track with hardware, processor, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Above-described embodiment; track further description is entered to the object of the application, technical scheme and beneficial effect; be understood that; the foregoing is only the embodiment of the application; and be not used in the protection range limiting the application; within all spirit in the application and principle, any amendment made, equivalent replacement, improvement etc., within the protection range that all should be included in the application.
Claims (10)
1. a method for access point request networking, it is characterized in that, described method comprises:
Receive the beacon message of multiple switching node broadcast;
Calculate the described signal to noise ratio of multiple switching node, the link cost between hierarchical information and access point respectively;
According to the link cost between the described signal to noise ratio calculated, described hierarchical information, described and access point, process is weighted to described multiple switching node, obtain the weights of described multiple switching node, and the switching node larger according to the Weight selected weights of described multiple switching node;
Send registration request to being worth larger switching node described in claim, to be networked by the switching node request that described weights are larger.
2. the method for access point request networking according to claim 1, it is characterized in that, the described switching node larger according to the Weight selected weights of multiple switching node specifically comprises:
The larger switching node of described weights is obtained by following formula:
MAX(s)＝snr*SNR_WEIGTH+(upcost
s*UPCOST_WEIGHT+downcost
s*DOWNCOST_WEIGHT)*LEVEL_WEIGHT
levels
Wherein, s is the set that described access point receives the switching node of beacon message, and MAX (s) is the switching node of maximum weight described in the set of described multiple switching node composition, and snr represents the signal to noise ratio of switching node and access point, SNR_WEIGTH is the weights of signal to noise ratio, upcost
srepresent the up link cost of switching node to base node, UPCOST_WEIGHT is the weights of up link cost, downcost
srepresent the down link cost of base node to switching node, DOWNCOST_WEIGHT is the weights of down link cost, level
srepresent the hierarchical information of switching node, LEVEL_WEIGHT is the weights of hierarchical information.
3. the method for access point request networking according to claim 1, it is characterized in that, link cost between described described signal to noise ratio according to calculating, described hierarchical information, described and access point, is weighted process to described multiple switching node and specifically comprises:
Respectively to the link cost between the described signal to noise ratio of described multiple switching node calculated, described hierarchical information, described and access point, by order sequence from small to large;
Respectively give weights to described multiple switching node in order, obtain the weights of signal to noise ratio, link cost between hierarchical information and access point, the weights wherein giving the preceding switching node of sequence are large.
4. the method for access point request networking according to claim 1, it is characterized in that, described transmission registration request is to after the switching node that weights are larger, and described method also comprises:
Receive the message that the larger switching node of described weights forwards;
Renewal rewards theory is carried out according to described message.
5. the method for access point request networking according to claim 1, it is characterized in that, described method also comprises:
When the switching node forwarding messages failure that described weights are larger, the switching node larger according to the Weight selected weights of remaining switching node.
6. a method for access point request networking, it is characterized in that, described method comprises:
After switching node receives the beacon configuration information of base node transmission, to access point broadcast beacon information;
Receive the registration information that access point sends;
Forward the NID of base node transmission to access point, so that described access point is networked by described switching node request, wherein, NID is described base node is that access point distributes.
7. the method for access point request networking according to claim 6, it is characterized in that, described method also comprises:
Described switching node receives the message that described base node sends;
Described message is transmitted to described access point, so that described access point carries out renewal rewards theory according to message.
8. a device for access point request networking, it is characterized in that, described device comprises:
Receiving element, for receiving the beacon message of multiple switching node broadcast;
Computing unit, for calculating the described signal to noise ratio of multiple switching node, the link cost between hierarchical information and access point respectively;
Selected cell, for according to the link cost between the described signal to noise ratio calculated, described hierarchical information, described and access point, process is weighted to described multiple switching node, obtain the weights of described multiple switching node, and the switching node larger according to the Weight selected weights of described multiple switching node;
Transmitting element, for sending registration request to weighing the larger switching node of described value, to network by the switching node request that described weights are larger.
9. a device for access point request networking, it is characterized in that, described device comprises:
Radio unit, receive the beacon configuration information of base node transmission for switching node after, to access point broadcast beacon information;
Receiving element, for receiving the registration information that access point sends;
Retransmission unit, for forwarding the NID of base node transmission to access point, so that described access point is networked by described switching node request, wherein, NID is described base node is that access point distributes.
10. a network architecture, is characterized in that, the described network architecture comprises:
Concentrator, for broadcast beacon information;
Exchange ammeter, for receive concentrator send beacon configuration information after, to ammeter broadcast beacon information;
Described ammeter, for receive multiple exchange ammeter broadcast beacon message after, calculate the described signal to noise ratio of multiple exchange ammeter, the link cost between hierarchical information and described ammeter respectively; According to the link cost between the described signal to noise ratio calculated, described hierarchical information, described and ammeter, process is weighted to described multiple exchange ammeter, obtain the weights of described multiple exchange ammeter, and the exchange ammeter larger according to the Weight selected weights of described multiple exchange ammeter; Send registration request to the larger exchange ammeter of described weights, so that by the larger exchange ammeter request networking of described weights.
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| CN101674220A (en) * | 2008-05-07 | 2010-03-17 | 北京理工大学 | Forwarding history-based asynchronous rooting algorithm |
| CN102572991A (en) * | 2010-12-31 | 2012-07-11 | 中国人民解放军总参谋部第六十一研究所 | Transmission method with low power consumption based on trust control |
| US20140237080A1 (en) * | 2013-02-15 | 2014-08-21 | Cygnus Broadband, Inc. | Smart grid portal election |
| CN104469890A (en) * | 2013-09-13 | 2015-03-25 | 深圳市北川电子有限公司 | Self-networking method and system for power line carrier and wireless hybrid network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101674220A (en) * | 2008-05-07 | 2010-03-17 | 北京理工大学 | Forwarding history-based asynchronous rooting algorithm |
| CN102572991A (en) * | 2010-12-31 | 2012-07-11 | 中国人民解放军总参谋部第六十一研究所 | Transmission method with low power consumption based on trust control |
| US20140237080A1 (en) * | 2013-02-15 | 2014-08-21 | Cygnus Broadband, Inc. | Smart grid portal election |
| CN104469890A (en) * | 2013-09-13 | 2015-03-25 | 深圳市北川电子有限公司 | Self-networking method and system for power line carrier and wireless hybrid network |
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