CN102137013A - Micro-power radio frequency (RF) distributed routing algorithm applied to home intellectualization - Google Patents
Micro-power radio frequency (RF) distributed routing algorithm applied to home intellectualization Download PDFInfo
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Abstract
The invention discloses a micro-power radio frequency (RF) distributed routing algorithm applied to home intellectualization, which comprises (1) a neighbor node searching mechanism, (2) a neighbor node acquisition mechanism and (3) an automatic slave node registration mechanism. In the neighbor node searching mechanism, a master control node receives a neighbor node searching instruction, and transmits a neighbor node information broadcasting searching frame. In the neighbor node acquisition mechanism, when a neighbor node broadcasting searching mechanism executes delay for a certain time, the information of neighbor nodes registered at the master control node is queried one by one according to a first-hop neighbor node information broadcasting searching frame mechanism to acquire the node information of the whole network. In the automatic slave node registration mechanism, the master control node acquires a new node registration frame, judges whether a new node is registered or not, updates a network system and simultaneously informs a display terminal of displaying the access of the new node. By the distributed routing algorithm provided by the invention, routing is faster and more convenient to realize; the new accessing node is registered automatically, and the network is periodically maintained, so more troubles are saved for subsequent maintenance; and the algorithm is easier to realize and has relatively higher practical value.
Description
Technical field
The present invention relates to the wired home communication field, especially a kind of under micropower RF pattern distributed route learning algorithm.
Background technology
Intelligent grid is the up-to-date trend that world today's energy industry development is changed, and has embodied social progress, is representing the direction of electrical network future development.Building intelligent grid is the inevitable requirement that ensures national energy security, economic society overall, concerted and sustainable development.Making up the strong intelligent grid of leading in the world, autonomous innovation, distinct Chinese characteristics, is to adapt to China's actual conditions, satisfies the strategic selection of following each side growth requirement.Build strong intelligent grid, for electrical network, can improve assets utilization efficient, promote ability to transmit electricity, reduce transmission losses, improve power supply reliability and power supply quality, reduce loss of outage; By improving electric load curve, reduce peak-valley difference simultaneously, can reduce the investment of power supply and power grid construction.For the user, can improve the efficiency of energy utilization of terminal power consumption equipment, obtain high-quality, convenient service more, promote electrical energy saving, reduce electricity charge expenditure.Aspect environmental protection, strong intelligent grid helps promoting the development and use of clean energy resource, optimizes power supply architecture, improves efficiency of energy utilization, reduces petroleum-based energy consumption, reduces pollutant emission; Help promoting industry developments such as electric automobile, realize reducing discharging benefit.In addition, build strong intelligent grid and also will drive related industry development such as electronic information, promote electric power and relevant industries technological progress.
In August, 2009, State Grid Corporation of China has issued " unified strong intelligent grid phase I key project embodiment comprehensive report ", has proposed the task of " planning, nine pilot projects, two capital constructions, ten class emphasis special projects are studied "." planning " is exactly establishment " the intelligent planning of national grid "; Nine pilot projects are that the comprehensive demonstration project of Shanghai International Horticultural Expo Garden intelligent grid, power information acquisition system pilot project, electric automobile charge and discharge nine of power station pilot projects etc.; Two capital constructions are that standardization effort (totally 197 standards) and research inspection center construction (comprising wind power generation, solar power generation, three research of intelligent power technology inspection center), the special research of ten class emphasis are 126 of extra-high voltage alternating current-direct current key technology and relevant device development, two-way interaction marketing technical research and ten classes such as demonstration project construction, senior measurement technology research.Intelligent power occupies quite great proportion in state net company intelligent grid phase I key project embodiment.In nine pilot projects, include " intelligent building, Smart Home pilot project "; In the standardization effort of two capital constructions, comprise intelligent power, intelligent residential district, 43 of Smart Home standards (126 of sums); In the research inspection center construction (3) of two capital constructions, comprise intelligent power technical research inspection center; In the special research of ten class emphasis, comprise the key technology research of intelligent power sub-district.Highlight intelligent power, intelligent residential district, the critical role of Smart Home in intelligent grid is built.
In the home intelligent field, micropower RF networking is a kind of communication mode of Local wireless network first-selection, possesses bigger development space.
Summary of the invention
Technical problem to be solved by this invention provides a kind of distributed routing algorithm of micropower RF that is applied to home intelligent, can be so that route be more quick, and new access node is initiatively registered, the timing maintaining network, make follow-up maintenance save trouble more, realize that difficulty is low, have higher utility.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of distributed routing algorithm of micropower RF that is applied to home intelligent may further comprise the steps:
(1) search neighbor node mechanism, main controlled node receive the instruction of search neighbor node, send broadcast search information of neighbor nodes frame;
(2) obtain neighbor node mechanism, after broadcast search neighbor node mechanism is carried out a period of time time-delay, jump broadcast search neighbor information frame mechanism according to first and inquire one by one, get access to whole network node information at the information of neighbor nodes of main controlled node registration;
Whether (3) from node login mechanism initiatively, main controlled node gets access to new node registration frame, differentiates registeredly, upgrades network system, notifies display terminal to show the new node access simultaneously.
As improvement, described search neighbor node mechanism specifically may further comprise the steps:
(1) Man Machine Interface triggers and upgrades the network node information command;
(2) main controlled node sends search information of neighbor nodes frame;
(3) first hop nodes send search information of neighbor nodes frame after receiving main controlled node search information of neighbor nodes frame, and main controlled node is registered the first hop node position neighbor node after receiving the first jumping search information of neighbor nodes frame;
(4) second hop nodes send search information of neighbor nodes frame after receiving first hop node search information of neighbor nodes frame, and after first hop node received second hop node search ammeter information frame, registering second hop node was neighbor node.
(5) the rest may be inferred, searches for whole network neighbor nodes, and after the wait certain time-delay, main controlled node adds up according to jumping figure and inquires neighbor node separately successively, sets up communication network.
As improvement, the described neighbor node mechanism of obtaining specifically may further comprise the steps:
(1) main controlled node was collected neighbor node according to search neighbor node mechanism, inquired that one by one whether the 0th hop node has the first hop neighbor node, registers the first hop neighbor nodal information then;
(2) main controlled node inquires one by one then that according to getting access to the first hop node information whether first hop node has the second hop neighbor node, registers the second hop neighbor nodal information then;
(3) the rest may be inferred, and main controlled node gets access to N-1 hop node information, inquires whether N hop neighbor node of N-1 hop node then one by one, all do not have neighbor node up to all nodes, so just can set up communication network.
As improvement, described from node initiatively login mechanism specifically may further comprise the steps:
(1) inserts new node in the network;
(2) new node initiatively sends the register node information frame in network;
(3) N hop neighbor nodes get access to new node register node information frame, send new node registration frame then in network;
(4) N-1 hop neighbor nodes get access to after the N hop node sends new node log-on message frame, differentiate to be own neighbor node, send new node registration frame then in network;
(5) and the like, after the 0th hop node receives that the 1st hop node sends the log-on message frame, differentiate neighbor node for oneself, send new node registration frame to main controlled node then;
Whether (6) main controlled node gets access to new node registration frame, differentiates registeredly, upgrades network system, notifies display terminal to show the new node access simultaneously.
The beneficial effect that the present invention is compared with prior art brought is:
Can be so that route to be more quick, new access node is initiatively registered, and regularly maintaining network makes follow-up maintenance save trouble more, realizes that difficulty is low, has higher utility.
Description of drawings
Search neighbor node flow chart in the distributed routing algorithm of a kind of micropower RF of Fig. 1 the present invention towards the home intelligent field;
Obtain the neighbor node flow chart in the distributed routing algorithm of a kind of micropower RF of Fig. 2 the present invention towards the home intelligent field;
In the distributed routing algorithm of a kind of micropower RF of Fig. 3 the present invention towards the home intelligent field from node register flow path figure initiatively;
The professional schematic diagram in Fig. 4 home intelligent field;
The distributed routing node topological diagram of Fig. 5;
Fig. 6 node is register flow path figure initiatively.
Embodiment
The invention will be further described below in conjunction with Figure of description.
The present invention mainly comprises three parts: 1, search neighbor node mechanism; 2, obtain neighbor node mechanism; 3, from node active login mechanism.
As shown in Figure 1, search neighbor node mechanism: main controlled node receives the instruction of search neighbor node, send broadcast search information of neighbor nodes frame, this frame comprises current search information of neighbor nodes frame network jumping figure (the main controlled node jumping figure is zero), broadcasts information such as initial markers, broadcast transmitted time limit.After first hop node receives main controlled node search information of neighbor nodes frame, jumping figure is zero under the mark node, wait for time-delay, do not receive data, again according to physical layer MACAW conflict avoiding principle, send first and jump broadcast search nodal information frame, main controlled node receives first and jumps broadcast search nodal information frame post-registration and receive first hop node and manage for arriving neighbor node.Second hop node receives first and jumps broadcast search information of neighbor nodes frame, and the mark jumping figure is one, according to MACAW conflict avoiding principle, sends second and jumps broadcast search nodal information frame.The rest may be inferred, the N hop node receives N-1 hop node broadcast search information of neighbor nodes, and N hop node mark jumping figure is N-1, then according to physical layer MACAW conflict avoiding principle, send N and jump broadcast search nodal information frame, the N-1 jumper connection receives that post-registration is the neighbor node of oneself.
As shown in Figure 2, obtain neighbor node mechanism: after broadcast search neighbor node mechanism is carried out a period of time time-delay, according to the information of neighbor nodes of the first jumping broadcast search neighbor information frame mechanism, inquire one by one whether the first hop neighbor node of main controlled node itself has the second hop neighbor node in the main controlled node registration.After having inquired all first hop neighbor nodes, according to getting access to second hop node, inquire one by one whether second hop node has the 3rd hop neighbor node again.The rest may be inferred, after having inquired N-1 hop neighbor node, according to getting access to the N hop node, inquires one by one whether the N hop node has N+1 hop neighbor node again.So just can get access to whole network node information.
As shown in Figure 3, from node login mechanism initiatively: the communication node of a new access network, according to physical layer MACAW conflict avoiding mechanism, communication node can be initiatively to network registry node communication information, communication information comprises information such as node M AC address, node module type, after near neighbor node gets access to the nodal information that initiatively reports, if this neighbor node is registered in network to be the N hop node, then according to physical layer MACAW conflict avoiding mechanism, in network, transmit notice N-1 hop node again, have new communication node to insert.The rest may be inferred, and up to being communicated to main controlled node, so the then new access node of node can be registered demonstration in real time in the main controlled node controlling platform.
Describe below in conjunction with concrete household example.
Smart-interactive terminal: i.e. family expenses display terminal, provide the Man Machine Interface of hommization by this equipment, functions such as value-added software, system maintenance mainly are provided.
Household intelligent gateway: whole domestic intelligent server, externally be responsible for family outside the Internet network interconnection, internally be responsible for all home intelligent devices and connect, and communication media micropower RF and Wi-Fi between the slave node, thereby make up whole home network.
Smart jack: be a kind ofly can provide energy consumption monitoring, Presentation Function, long-range drawing lock function home intelligent device.
Distributed route learning: the distributed routing iinformation distributed management of having emphasized, support a kind of route learning algorithm of two-way interaction simultaneously.
Main controlled node: i.e. Household intelligent gateway.
Communication node: promptly in the home intelligent network system, the intelligent object of the communication between intelligent gateway and each home appliance of being responsible for founding a family is called communication node in communication system.
As shown in Figure 4, we can see that whole household intelligent system is is the service interaction platform with the Household intelligent gateway, in setting up the home intelligent network process, at first select the Household intelligent gateway placement location, intelligent home gateway is placed the centre position of family's layout, wired home equipment is installed then one by one, is arranged the network node position.
The first step: examination is just debug by system, enters service mode by the family interactive terminal, triggers Household intelligent gateway and issues the order of broadcast search neighbor node.
Search neighbor node flow process: as shown in Figure 5, the communication node that receives the broadcast search information of neighbor nodes frame that main controlled node issues is the 0th to jump communication node, and the 0th jumps communication node equipment Infrared Detectors, parlor smart jack, master room smart jack, children room smoke detector, dining room smart jack are arranged in Fig. 5.After these communication nodes received main controlled node broadcast search information of neighbor nodes frame, the mark communication node was the 0th jumping, and these 0 jumping communication nodes send broadcast search information of neighbor nodes frame according to MACAW conflict avoiding principle then.The broadcast search information of neighbor nodes frame that sends through Infrared Detectors in the 0th jumping equipment is received by seek help button, these two intelligent communication nodes of gas leakage detector of public WC.After then these two communication nodes receive the 0th jumping broadcast search information of neighbor nodes frame of Infrared Detectors transmission, the communication jumping figure of standard own is 1, the broadcasting of Infrared Detectors transmission is simultaneously searched Soviet Union's information of neighbor nodes frame and is received by main controlled node, and it is 0 jumping communication node that main controlled node will be registered this communication node.The 1st jumps the public WC of communication node seek help button, gas leakage detector, according to MACAW conflict avoiding principle, send the 1st and jump broadcast search information of neighbor nodes frame, the public WC button of seeking help sends the 1st broadcast search information of neighbor nodes frame of jumping owing to there are not other nodes in this signal cover, and seek help broadcast search information of neighbor nodes frame that the button communication node sends of then public WC is just notified the 0th to jump Infrared Detectors be neighbor node.The 1st jumps gas leakage detector transmission broadcast search information of neighbor nodes frame in the communication node equipment, then can be received by workman room smart jack, workman room smoke detector, gas meter, water meter, these communication nodes of washing machine smart jack.After these communication node equipment received the 1st jumping communication node transmission broadcast search neighbor information frame, the communication node of mark own was 2 jumping communication nodes.And after receiving the 1st jumping gas leakage detector transmission broadcast search neighbor information frame simultaneously, because the jumping figure of search is bigger than oneself, so this frame is not processed.Second jumps communication node equipment sends broadcast search information of neighbor nodes frame, because peripheral equipment has all marked the communication jumping figure, then second jump the broadcast search information of neighbor nodes frame that communication node sends, be taken as and notify the 1st to jump communication node gas leakage detector answer frame, it is neighbor node that combustion gas detector communication node is registered these communication nodes.Other communication nodes adopt same mechanism to send the broadcast search information of neighbor nodes in the home network, thereby make whole household network communication node all get access near its neighbor node.
Obtain the neighbor node flow process: behind the 30s of interactive terminal triggering system maintaining network instruction back, obtain automatically that communication node obtains its neighbor node in network, thereby make up whole home intelligent network.Specifically as shown in Figure 5, main controlled node gets access to the 0th hop neighbor node Infrared Detectors, dining room smart jack, children room smoke detector, master room smart jack, parlor smart jack according to broadcast search neighbor node mechanism.Obtain its relevant information of neighbor nodes with the Infrared Detectors communication node below.Main controlled node inquires that the 0th jumps the communication node Infrared Detectors whether information of neighbor nodes is arranged, and gets access to the 1st and jumps the public WC of communication node seek help button and gas leakage detector.Main controlled node inquires that the 1st jumps the public WC of the communication node button of seeking help whether information of neighbor nodes is arranged, and the public WC button of seeking help does not have neighbours' communication node then to reply nothing.Main controlled node inquires whether the 1st jumping communication node gas leakage detector has neighbours' communication node, and getting access to the 2nd jumping communication node has workman room smoke detector, workman room smart jack, gas meter, water meter, washing machine smart jack.Main controlled node inquires along topological structure whether the 2nd jumping communication node has neighbor node, then can obtain not having communication node and reply, so far, the 0th jumping communication node Infrared Detectors obtains neighbor node and finishes, the rest may be inferred, can get access to the information of neighbor nodes of whole network.
Second step: new communication node inserts, because household intelligent system Design Orientation plug and play, a new equipment inserts and will show on the interactive terminal automatically, operates on it by the interactive terminal then.
New communication node access process: as shown in Figure 6, newly insert smart jack in the children room, smart jack powers on and then can send initiatively log-on message frame to network.After the 0th jumping communication node children room smoke detector receives children room smart jack transmission active log-on message frame, according to MACAW conflict avoiding principle, send the 0th and jump initiatively log-on message frame of communication node, after main controlled node receives active log-on message frame, carry out network node optimization, notify Interactive Display Terminal simultaneously, when the interactive terminal under the system maintenance pattern, to obtain new access node communication information, safeguard the communication node parameter by the interactive terminal.So far, new access node is finished network registry.
The distributed routing algorithm of a kind of micropower RF towards the home intelligent field of the present invention has following characteristics: one, under existing route pattern, if the method for utilizing main controlled node to sound out is one by one obtained routing iinformation, seeking path time can be slow, and the Maintenance Point communication path is more loaded down with trivial details simultaneously.Two, distributed route is enabled the two-way multi-channel pattern, supports initiatively to report, and warning message can initiatively be reported to the interactive terminal, new access node plug and play.
Beneficial effect of the present invention in sum is to compare with traditional method for routing, and distributed routing algorithm proposed by the invention can be so that route be more quick, and new access node is initiatively registered, the timing maintaining network, make follow-up maintenance save trouble more, realize that difficulty is low, have higher utility.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (4)
1. distributed routing algorithm of micropower RF that is applied to home intelligent is characterized in that: may further comprise the steps:
(1) search neighbor node mechanism, main controlled node receive the instruction of search neighbor node, send broadcast search information of neighbor nodes frame;
(2) obtain neighbor node mechanism, after broadcast search neighbor node mechanism is carried out a period of time time-delay, jump broadcast search neighbor information frame mechanism according to first and inquire one by one, get access to whole network node information at the information of neighbor nodes of main controlled node registration;
Whether (3) from node login mechanism initiatively, main controlled node gets access to new node registration frame, differentiates registeredly, upgrades network system, notifies display terminal to show the new node access simultaneously.
2. a kind of distributed routing algorithm of micropower RF that is applied to home intelligent according to claim 1, it is characterized in that: described search neighbor node mechanism specifically may further comprise the steps:
(1) Man Machine Interface triggers and upgrades the network node information command;
(2) main controlled node sends search information of neighbor nodes frame;
(3) first hop nodes send search information of neighbor nodes frame after receiving main controlled node search information of neighbor nodes frame, and main controlled node is registered the first hop node position neighbor node after receiving the first jumping search information of neighbor nodes frame;
(4) second hop nodes send search information of neighbor nodes frame after receiving first hop node search information of neighbor nodes frame, and after first hop node received second hop node search ammeter information frame, registering second hop node was neighbor node.
(5) the rest may be inferred, searches for whole network neighbor nodes, and after the wait certain time-delay, main controlled node adds up according to jumping figure and inquires neighbor node separately successively, sets up communication network.
3. a kind of distributed routing algorithm of micropower RF that is applied to home intelligent according to claim 1, it is characterized in that: the described neighbor node mechanism of obtaining specifically may further comprise the steps:
(1) main controlled node was collected neighbor node according to search neighbor node mechanism, inquired that one by one whether the 0th hop node has the first hop neighbor node, registers the first hop neighbor nodal information then;
(2) main controlled node inquires one by one then that according to getting access to the first hop node information whether first hop node has the second hop neighbor node, registers the second hop neighbor nodal information then;
(3) the rest may be inferred, and main controlled node gets access to N-1 hop node information, inquires whether N hop neighbor node of N-1 hop node then one by one, all do not have neighbor node up to all nodes, so just can set up communication network.
4. a kind of distributed routing algorithm of micropower RF that is applied to home intelligent according to claim 1 is characterized in that: described from node initiatively login mechanism specifically may further comprise the steps:
(1) inserts new node in the network;
(2) new node initiatively sends the register node information frame in network;
(3) N hop neighbor nodes get access to new node register node information frame, send new node registration frame then in network;
(4) N-1 hop neighbor nodes get access to after the N hop node sends new node log-on message frame, differentiate to be own neighbor node, send new node registration frame then in network;
(5) and the like, after the 0th hop node receives that the 1st hop node sends the log-on message frame, differentiate neighbor node for oneself, send new node registration frame to main controlled node then;
Whether (6) main controlled node gets access to new node registration frame, differentiates registeredly, upgrades network system, notifies display terminal to show the new node access simultaneously.
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| CN104408903A (en) * | 2014-11-05 | 2015-03-11 | 西安润维机电设备有限公司 | Micro-power wireless meter reading method |
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Application publication date: 20110727 |