CN104967545A - Dynamic ad hoc network construction method of multiple intelligent household devices - Google Patents
Dynamic ad hoc network construction method of multiple intelligent household devices Download PDFInfo
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Abstract
The invention provides a dynamic ad hoc network construction method of multiple intelligent household devices, comprising: a center control device establishing source node and relay node routing recording in dependence on response recording of subsets; establishing a routing list in dependence on primary routing recording and multistage routing recording; and establishing a dynamic ad hoc network in dependence on the subset, center control device and routing list. Accordingly, the method solves the problem of poor systematicness and reliability in the control process of multiple intelligent household devices, realizes communication control between the multiple intelligent household devices in a house and the center control device, and overcomes the disadvantage of small transmission distance among the intelligent household devices under a PLC. By employing a self routing and self networking mode of intelligent household devices, and through setting a routing hop upper limit (five hops) in a house, the algorithm employs the intelligent household devices as routing relays, expands the control scope of the center control device to the subsets, and realizes maximum coverage of the center control device to the intelligent household devices in a house.
Description
Technical field
The present invention relates to System Implementation and the applied technical field of many Smart Homes, especially many intelligent home devices dynamic ad hoc network construction method.
Background technology
Low voltage electric power carrier communication technology (PLC) utilizes existing power line to carry out the technology of transfer of data by ZAP.Interference problem due to low-voltage power line carrier transmission channel is the development of restriction low-voltage powerline carrier communication and universal major obstacle, and OFDM (OFDM) modulation technique has the strong feature of anti-interference, anti-fading ability, adopt the chip design power carrier data transmission module of OFDM (OFDM) modulation technique, the defects such as the strong jamming of power line, overdamp can better be overcome.Voltage power-line carrier communication technology utilizes existing low-voltage supply line to realize transfer of data, have without the need to rewiring, save system Construction cost, the advantage such as practical and convenient, be widely used in automatic data logging, Lighting control, intelligent residential district, intelligent building, home network, home furnishings intelligent control, household safety-protection etc.But in homes intelligent domestic system; contain a lot of intelligent home device; it is still in the mode controlled separately on controlling; simultaneously; under objective circumstances; each intelligent home device can be arranged in each indoor orientation usually, thus is difficult to realize system interconnect and control by communication modes such as bluetooths.Improve implementation cost, the effective application reducing intelligent home device and reliability that intelligent home device controls.。
Summary of the invention
For above-mentioned defect of the prior art, the invention solves many intelligent home devices in control procedure, the problem of systematicness and poor reliability.
In order to achieve the above object, the invention provides following technical scheme:
Many intelligent home devices dynamic ad hoc network construction method, comprising:
Step S101, central control equipment sets up the source node route record in routing table according to the response record of subset;
Step S102, the subset in described source node route record sends acknowledges requests to all the other subsets;
Step S103, sets up the via node route record in routing table according to the response record of all the other subsets;
Step S104, sets up routing table according to described elementary route record and described multistage route record;
Step S105, sets up dynamic ad hoc network according to described subset, central control equipment and routing table.
In a preferred embodiment, also comprise before described step S101:
Step S100, at indoor layout subset and central control equipment, and identifies described subset; According to described mark on described central control equipment, described subset is registered.
In a preferred embodiment, also comprise in described step S101:
Described central control equipment sends acknowledges requests to described subset.
In a preferred embodiment, comprise at described step S104:
If the subset related in the route record of via node and source node route record is consistent with the subset information that described central control equipment is registered, then set up routing table according to described elementary route record and described multistage route record.
In a preferred embodiment, described subset is many intelligent home devices; In described many intelligent home devices, communication unit is set.
In a preferred embodiment, described many intelligent home devices comprise: energy-saving equipment or non-energy-saving equipment.
In a preferred embodiment, described step S102 comprises:
If the subset in described source node route record, judge whether all the other subsets are non-energy-saving equipment, then send acknowledges requests to these all the other subsets.
In a preferred embodiment, described step S101 comprises,
Central control equipment receives the response record from subset, and records the source node timestamp information of this response record; According to response record and the described source node timestamp information of subset, set up the source node route record in routing table.
In a preferred embodiment, described step S103 comprises,
Receive the response record of all the other subsets, and record the via node timestamp information of this response record;
According to response record and the described via node timestamp information of all the other subsets, set up the via node route record in routing table.
In a preferred embodiment, also comprise after described step S105,
Step S106: the response record receiving current subset;
If the current subset in the response record of described current subset is greater than described subset quantity, then extracts and increase subset mark;
Destination node in described routing table identifies according to described increase subset, sends acknowledges requests to described increase subset;
The newly-increased via node route record in routing table is set up according to the response record increasing subset;
Described newly-increased via node route record is appended in described routing table, described routing table is upgraded.
Beneficial effect of the present invention is: by many intelligent home devices dynamic ad hoc network construction method provided by the present invention and respective algorithms, the Control on Communication between many intelligent home devices and central control equipment in certain house can be realized, solve under PLC condition, the feature that between intelligent home device, transmission range is little.This algorithm have employed the mode of the autonomous route of intelligent home device, autonomous networking, by arranging the hop count upper limit in house (5 jump), using each intelligent home device as route relaying, expand the control range of central control equipment to subset, achieve the to greatest extent covering of central control equipment to intelligent home device in house.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, 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.
Fig. 1 is in one embodiment of the present invention, the network composition frame diagram of many intelligent home devices dynamic ad hoc network construction method;
Fig. 2 is in one embodiment of the present invention, the schematic flow sheet of many intelligent home devices dynamic ad hoc network construction method;
Fig. 3 is in another embodiment of the present invention, the schematic flow sheet of many intelligent home devices dynamic ad hoc network construction method;
Fig. 4 is in one embodiment of the present invention, the initial condition schematic diagram of routing table in many intelligent home devices dynamic ad hoc network construction method;
Fig. 5 is in one embodiment of the present invention, and in many intelligent home devices dynamic ad hoc network construction method, route represents intention.
Embodiment
Below in conjunction with accompanying drawing of the present invention, be clearly and completely described technical scheme of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, in one embodiment of the present invention, the many intelligent home devices dynamic ad hoc network construction method in the present invention, is implemented in the method and is implemented in the storage organization of multistage server, this storage organization is illustrated in figure 1 A, B, C three tier server, wherein:
(1) A level server: central server.
Back up all data of B level server, each B level server can find unique backup place on A level server; In addition, the storage data of A level server, will be used for large data analysis, carry out commercial operation.
(2) B level server: project level server.
For storing the data of each smart city, intelligence community.
Each B level server only stores a certain data of some intelligence community.
The storage data class of B level server comprises:
1) property data; 2) finance data; 3) medical data; 4) home control data; 5) agreement and instruction
(3) C level server: community-level server.
The data class of B level server stores is identical with the data class of C level server stores.
B level server and C level server sync back up, and have one-to-one relationship.
Current conditions of the present invention is:
1. in various types of house, building structure isomery, various, complicated, as villa, spring layer, big-room and luxury housing project (more than 150 square metres) etc.;
2. each apartment, family or villa, intelligent home device quantity is many, may more than 50;
3. different smart machines has different characteristics, as energy-saving equipment, needs to keep less number of communications.
4. the geographical position dispersion of intelligent home device, the distance that they reach central control equipment differs;
5. the network traffic conditions of each intelligent home device weekly differs.
6. the central control equipment in house, under being difficult to the route conditions of jumping 1, realize and communication in house between subset interconnected.
In the present invention, the technical scheme core thinking of many intelligent home devices dynamic ad hoc network construction method is:
First obtaining central control equipment can under hop count be the condition of 1 jumping, can the subset set of direct communication; Then, using hop count be the subset of 1 jumping as via node, for the correspondence with foreign country of central control equipment, search one by one hop count is the subset of 2 jumpings; The rest may be inferred, and progressively realizing hop count is that 3 jumpings, 4 are jumped, 5 subsets of jumping, thus it is interconnected with control finally to realize the communication of central control equipment to subsets all in house.
Overall technology route steps is:
The first step: the subset routing table in definition house;
Second step: adopt Greedy strategy, jumps (1 grade), 2 according to route 1 and jumps the process that (1 grade), 3 jumps (1 grade), 4 jumpings (1 grade), 5 jumpings (1 grade), carry out Data import and the initialization of routing table.
As shown in Figure 2, the many intelligent home devices dynamic ad hoc network construction method in one embodiment of the present invention, comprising:
Step S100, carries out subset mark.
In this step, at indoor layout subset and central control equipment, and described subset is identified; According to described mark on described central control equipment, described subset is registered.Described many intelligent home devices comprise: energy-saving equipment or non-energy-saving equipment.In house, because building construction is inconsistent, control subset infield different, the distance of subset and central control equipment is not of uniform size; In addition, be also subject to the impact of communication condition, central control equipment is difficult to directly communicate with all subsets.As shown in Figure 4, central control equipment can only directly with 3 subset x
1, x
2, x
3communicate; For other subset x
4, x
5, x
6, x
7, x
8, x
9, x
10, x
11, x
12.
Step S101, the response message of fetching portion subset.
In this step, described central control equipment sends acknowledges requests to described subset, and central control equipment sets up the source node route record in routing table according to the response record of subset.Above-mentioned subset is many intelligent home devices; In described many intelligent home devices, communication unit is set.
Central control equipment receives the response record from subset, and records the source node timestamp information of this response record; According to response record and the described source node timestamp information of subset, set up the source node route record in routing table.
Step S102, obtains the response message of other subsets.
In this step, the subset in described source node route record sends acknowledges requests to all the other subsets.Consider the energy-conservation needs of energy-saving equipment, in this step, if the subset in described source node route record, judge whether all the other subsets are non-energy-saving equipment, then send acknowledges requests to these all the other subsets.
Step S103, obtains route record.
In this step, the via node route record in routing table is set up according to the response record of all the other subsets.In a preferred embodiment, this step comprises: the response record receiving all the other subsets, and the via node timestamp information recording this response record; According to response record and the described via node timestamp information of all the other subsets, set up the via node route record in routing table.
Step S104, sets up routing table.
In this step, routing table is set up according to described elementary route record and described multistage route record.For accomplishing effective covering comprehensively to subset, one of the present invention preferred embodiment in, if the subset related in the route record of via node and source node route record is consistent with the subset information that described central control equipment is registered, then set up routing table according to described elementary route record and described multistage route record.
Step S105, sets up dynamic ad hoc network according to described subset, central control equipment and routing table.
For accomplishing, to newly adding upgrading in time of subset, as shown in Figure 3, in a preferred embodiment, also to comprise after described step S105,
Step S106: the interpolation carrying out subset route record.
In this step, the response record of current subset is received; If the current subset in the response record of described current subset is greater than described subset quantity, then extracts and increase subset mark; Destination node in described routing table identifies according to described increase subset, sends acknowledges requests to described increase subset; The newly-increased via node route record in routing table is set up according to the response record increasing subset; Described newly-increased via node route record is appended in described routing table, described routing table is upgraded
This method implement time, first, the definition of house subset routing table:
By in each house, build the routing table of a various smart home control device, and carry out the maintenance of routing table, the communication realized in house central control equipment and house between all subsets is unimpeded.The definition of subset routing table is as shown in table 1.
The definition of table 1. subset routing table
Between every, the Data import of the routing table in house is set up with initialization, and often, the Data import of house routing table and initialization process of establishing are as shown in algorithm 1.
Algorithm 1: the routing table in house loads and routing table initialization algorithm
Input: the empty routing table RouteTable in certain room
Export: the room routing table RouteTable established
Step 1: workmen is when carrying out intelligent home device and installing, in conjunction with the central control equipment ID in this house, adopt the bar code on mobile telephone scanning each house Smart Home subset (agreement: each Smart Home subset has pasted unique two-dimensional bar), upload to central server, set up associating in house between subset with central control equipment.
Step 2: after installation, restarts the central control equipment in house, and central control equipment send information to cloud central server, and the subset information pushing associated by central control equipment stores to central control equipment by cloud central server.
Step 3: the initialization of the subset routing table in certain house is set up.
Walk 3.1 central control equipments by related for institute subset information write routing table RouteTable.
The number Total of statistics subset; DevSet=φ; NewDevSet=φ;
Walk 1 grade of route subset of 3.2 search center control appliances
Step 3.2.1: hop count initialization, makes k=1;
Step 3.2.2: central control equipment sends communication request instruction, all subset responses in request house;
Step 3.2.3: statistics receives the subset quantity j of response.
Central control equipment receives the subset set DevSet={x of response
1, x
2..., x
j);
NewDevSet=DevSet; Routing table RouteTable is upgraded as follows:
(1) by x
1, x
2..., x
jthe jumping figure of corresponding routing table RouteTable is set to k;
(2) by x
1, x
2..., x
jthe path of corresponding routing table RouteTable is set to x respectively
1, x
2..., x
j.
(3) current time is recorded as x
1, x
2..., x
jtimestamp.
Step 3.2.4:IF k > 5 ORj=total THEN goes to step 4;
ELSE
(1) the energy-saving equipment S set avingSet in subset set NewDevSet is added up, order
NewDevSet＝NewDevSet-SavingSet；
(2) central control equipment sends communication request instruction to subset set NewDevSet, they please send communication request instruction to other subset.
(3), after each subset sends communication request instruction, what receive that other subset sends returns response message.Suppose subset x
1the new subset set that have received response message is y
1, y
2..., y
i(not in the original subset set of routing table RouteTable), be then handled as follows:
1) subset set processed in routing table RouteTable is upgraded: DevSet=DevSet ∪ { y
1, y
2..., y
i;
NewDevSet＝NewDevSet∪{y
1，y
2，...，y
i}
2) y is put
1, y
2..., y
ihop count be k+1;
3) y is put
1, y
2..., y
irouted path be x
1routed path+" y
p" (1≤p≤i);
4) current time is set to y
1, y
2..., y
itimestamp.
5) x is upgraded
1the set of next stage subset
x
1.NextDevSet＝{y
1，y
2，...，y
i}；
END IF
J=|DevSet|; The number of // statistics subset, and assignment is to j, upgrades routing table
K=k+1; // turn next stage route
Turn step 3.2.4.// continue repeat search.
Step 4: routing table has been set up, exits.
Thus, by this algorithm, the Control on Communication between many intelligent home devices and central control equipment in certain house can be realized, solve under PLC condition, the feature that between intelligent home device, transmission range is little.This algorithm have employed the mode of the autonomous route of intelligent home device, autonomous networking, by arranging the hop count upper limit in house (5 jump), using each intelligent home device as route relaying, expand the control range of central control equipment to subset, achieve the to greatest extent covering of central control equipment to intelligent home device in house.
Below provide an example, set forth the implementation procedure of algorithm 1.
Known: in certain room, to have a central control equipment, also comprise 9 subsets in room.Require: build a routing table according to algorithm 1.
First, DevSet=φ; NewDevSet=φ;
Secondly, according to following procedure initialization routing table
(1) make k=1, from central control equipment, search the subset that 1 jumping route can reach, can { x be obtained
1, x
2, x
3, in routing table RouteTable, { x is set respectively
1, x
2, x
3hop count be 1, and their information such as routed path, access time stamp is set; DevSet={x
1, x
2, x
3; NewDevSet={x
1, x
2, x
3;
(2) k=2 is made, from NewDevSet={x
1, x
2, x
3set out, search route is the subset of 2 jumpings, can obtain { x
4, x
5, upgrade routing table, { x is set respectively
4, x
5hop count be 2, the routed path arranging them is respectively (x
1, x
4) and (x
3, x
5), record their timestamp; DevSet={x
1, x
2, x
3, x
4, x
5; NewDevSet={x
4, x
5;
In like manner, make k=3 respectively, 4,5, can obtain an initialized routing table, corresponding routing diagram as shown in Figure 5.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (10)
1. more than intelligent home device dynamic ad hoc network construction method, is characterized in that, comprising:
Step S101, central control equipment sets up the source node route record in routing table according to the response record of subset:
Step S102, the subset in described source node route record sends acknowledges requests to all the other subsets;
Step S103, sets up the via node route record in routing table according to the response record of all the other subsets;
Step S104, sets up routing table according to described elementary route record and described multistage route record;
Step S105, sets up dynamic ad hoc network according to described subset, central control equipment and routing table.
2. many intelligent home devices dynamic ad hoc network construction method according to claim 1, is characterized in that, also comprise before described step S101:
Step S100, at indoor layout subset and central control equipment, and identifies described subset; According to described mark on described central control equipment, described subset is registered.
3. many intelligent home devices dynamic ad hoc network construction method according to claim 1 and 2, is characterized in that, also comprise in described step S101:
Described central control equipment sends acknowledges requests to described subset.
4. many intelligent home devices dynamic ad hoc network construction method according to claim 1, is characterized in that, comprise at described step S104:
If the subset related in the route record of via node and source node route record is consistent with the subset information that described central control equipment is registered, then set up routing table according to described elementary route record and described multistage route record.
5. many intelligent home devices dynamic ad hoc network construction method according to claim 1, is characterized in that, described subset is many intelligent home devices; In described many intelligent home devices, communication unit is set.
6. many intelligent home devices dynamic ad hoc network construction method according to claim 1, is characterized in that, described many intelligent home devices comprise: energy-saving equipment or non-energy-saving equipment.
7. many intelligent home devices dynamic ad hoc network construction method according to claim 6, it is characterized in that, described step S102 comprises:
If the subset in described source node route record, judge whether all the other subsets are non-energy-saving equipment, then send acknowledges requests to these all the other subsets.
8. the many intelligent home devices dynamic ad hoc network construction method according to claim 1 or 6, it is characterized in that, described step S101 comprises,
Central control equipment receives the response record from subset, and records the source node timestamp information of this response record; According to response record and the described source node timestamp information of subset, set up the source node route record in routing table.
9. many intelligent home devices dynamic ad hoc network construction method according to claim 8, it is characterized in that, described step S103 comprises,
Receive the response record of all the other subsets, and record the via node timestamp information of this response record:
According to response record and the described via node timestamp information of all the other subsets, set up the via node route record in routing table.
10. many intelligent home devices dynamic ad hoc network construction method according to claim 1, is characterized in that, also comprise after described step S105,
Step S106: the response record receiving current subset;
If the current subset in the response record of described current subset is greater than described subset quantity, then extracts and increase subset mark;
Destination node in described routing table identifies according to described increase subset, sends acknowledges requests to described increase subset;
The newly-increased via node route record in routing table is set up according to the response record increasing subset;
Described newly-increased via node route record is appended in described routing table, described routing table is upgraded.
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Application publication date: 20151007 |