CN103460726B - Communication system - Google Patents
Communication system Download PDFInfo
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- CN103460726B CN103460726B CN201180069708.7A CN201180069708A CN103460726B CN 103460726 B CN103460726 B CN 103460726B CN 201180069708 A CN201180069708 A CN 201180069708A CN 103460726 B CN103460726 B CN 103460726B
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- gateway
- intelligence instrument
- wireless mesh
- node
- mesh network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/50—Service provisioning or reconfiguring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
- Selective Calling Equipment (AREA)
- Telephonic Communication Services (AREA)
Abstract
The communication system of the present invention possesses：The wireless mesh network formed by gateway and intelligence instrument；The management server of the measurement result of quantity and collection management based on intelligence instrument for the intelligence instrument that management gateway is each accommodated, in the case that management server detects gateways and starting, the quantity and the positional information of each intelligence instrument of the intelligence instrument accommodated according to each gateway of management object, determine that change adds the intelligence instrument of the wireless mesh network of destination, each intelligence instrument determined is indicated, with the wireless mesh network for the gateway management for causing the wireless mesh network for adding destination being changed to startup.
Description
Technical field
The present invention relates to the communication system for including the mesh network utilized in the automatic look-up table system such as electric power.
Background technology
Conventional wireless mesh（In addition, also referred to as from group（ad-hoc）, multi-hop, but this specification is referred to as netted）Communication
In technology, when wireless terminal newly adds wireless mesh network, it is desirable to the wireless terminal of addition according to communication counterpart destination
Received signal strength in radio communication, consumption electric power, safe class, anti-interference wave property between wireless terminal, base station etc.
Information, judges communication path state, and it is optimal network to add communication quality and transfer rate（For example, patent document 1）.
In addition, being used as the application examples of wireless mesh communication technology, it is known to carry out electric power using wireless mesh communication technology
Deng the automatic look-up table system of automatic look-up table.In conventional automatic look-up table system, in clients such as detached house/concentration houses
Electric power that each family is set, coal gas, the wireless communication equipment of instrument actual installation of running water, will in the communication equipment of instrument actual installation
The lookup data such as electric power, coal gas, tap water volume obtained from instrument directly or via surrounding other communication equipments to Upper system
（Lookup data managing device, service management device etc.）Transmission.The automatic look-up table system turns into wide area and large-scale system, because
This, it is proposed that following scheme：Gateway is set on electric pole etc.（Further referred to as hub, aggregating apparatus, but this specification
Referred to as gateway）, periodically collect lookup data, when transmitting data from each family, by application based on wireless mesh communication
The mechanism of routing function etc., efficiently collects lookup data（For example, non-patent literature 1）.In addition, actual installation communication equipment
（Communication function）Instrument be referred to as intelligence instrument.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2003-324443 publications
Non-patent literature
Non-patent literature 1：Rattan field etc. afterwards, " the imperial fusion To I Ru of feelings Reported systems is from Move inspection Needles (AMI) ソ リ ュ ー シ ョ
ン」（《The automatic look-up table of fusion based on information/control（AMI）Solution》）Hitachi is commented on, in August, 2010 number, 34~37
Page
The content of the invention
In the conventional automatic look-up table system of employing wireless mesh communication technology, communication path state is judged, selection will add
, still, there is the instrument for not considering that each gateway is accommodated in the wireless mesh network entered（Intelligence instrument）The equalization of quantity, i.e. gateway
Between load the problem of.
The present invention is proposed in view of the above problems, it is therefore an objective to obtain a kind of communication system, and the communication system is realized can be right
The intelligence instrument quantity that each gateway is accommodated is equalized and automatically sought the mesh network of the load between gateway.
For the simultaneously reached purpose that solves the above problems, communication system of the invention is characterised by possessing：Multiple wireless networks
Shape network, is formed, the node is accommodated by the gateway by single gateway and more than one node, is arranged at client and measures
For the usage amount of at least one in electric power, coal gas and running water；And management server, manage above-mentioned gateway and each accommodate
Node quantity, and collect and manage the measurement result based on above-mentioned node, above-mentioned management server detects gateway and opened
In the case of dynamic, the quantity and the positional information of each node of the node accommodated according to each gateway of management object determine change
The node of the wireless mesh network of destination is added, each node of the decision is indicated, make it that destination will be added
Wireless mesh network is changed to the wireless mesh network of the gateway management of above-mentioned startup.
According to the communication system of the present invention, when management server detects gateways and starting, to being added to the wireless of each gateway
A part of intelligence instrument that the gateway of gateway adjoining in each intelligence instrument of mesh network, with starting is accommodated, is indicated
The wireless mesh network for the gateway management that addition destination is changed to start, therefore, acquirement automatically seeks gateway to accommodate
Intelligence instrument quantity equalization, i.e. gateway between load effect.
Brief description of the drawings
Fig. 1 is the figure for the configuration example for representing the communication system of the present invention.
Fig. 2A is the sequence chart of action example when representing to adjust the load between gateway in the communication system of embodiment 1.
Fig. 2 B are the sequence charts of the load adjustment action between the gateway in the communication system for represent embodiment 1.
Fig. 2 C are the sequence charts of the load adjustment action between the gateway in the communication system for represent embodiment 1.
Fig. 2 D are the sequence charts of the load adjustment action between the gateway in the communication system for represent embodiment 1.
Fig. 3 is the sequence chart of the load adjustment action between the gateway in the communication system for represent embodiment 1.
Fig. 4 is the figure of the control action in the communication system for represent embodiment 2.
Fig. 5 is the figure of the control action in the communication system for represent embodiment 3.
Fig. 6 A are the figures of the control action in the communication system for represent embodiment 4.
Fig. 6 B are the figures of the control action in the communication system for represent embodiment 4.
Fig. 6 C are the figures of the control action in the communication system for represent embodiment 4.
（The explanation of symbol）
1：Server unit；2：Server unit（Network management server）；3：Wide area network；10、20、30：Gateway；101
~109,201~209：Intelligence instrument.
Embodiment
Hereinafter, the embodiment of the communication system of the present invention is described in detail with reference to the accompanying drawings.In addition, the present invention is not limited to this
Embodiment.
Embodiment 1.
Fig. 1 is the figure for the configuration example for representing the communication system of the present invention.The communication system of the present invention is configured to include：Service
Device device 1 and 2；The gateway 10 being connected via wide area network 3 with these server units（Also it is recited as GW#1 sometimes below）, gateway
20（Also it is recited as GW#2 sometimes below）And gateway 30（Also it is recited as GW#3 sometimes below）；With gateway 10,20 or 30 directly or
The multiple intelligence instruments 101~109 and 201~209 connected indirectly.Each gateway is formed wirelessly together with the intelligence instrument of subordinate
Mesh network.
In the communication system shown in Fig. 1, server unit 1 is via gateway 10,20 or 30 from intelligence instrument（Nothing is added
The intelligence instrument of line mesh network）Collect the lookup data of electric power, coal gas or tap water volume etc..Server unit 2 is managed respectively
Path, state in wireless mesh network（The set location of the quantity for the intelligence instrument that each gateway is accommodated, each intelligence instrument
Deng）.Each gateway（GW#1、GW#2、GW#3）Connect the wireless mesh network and wide area network formed together with the intelligence instrument of subordinate
3.Each intelligence instrument（Intelligence instrument 101~109,201~209）Connect with radio communication is passed through with other intelligence instruments or gateway
The function of the usage amounts such as the function and measurement electric power, coal gas, running water that connect（Table lookup function）.In table lookup function, electric power is measured
Etc. at least more than one in usage amount.Intelligence instrument 101~109 is via gateway 10（GW#1）With server unit 1,2 it
Between carry out two-way data communication.Intelligence instrument 201~209 is via gateway 20（GW#2）Enter between server unit 1,2
The two-way data communication of row.In addition, in Fig. 1, it is the state such as after just starting to be set to GW#3, and intelligence is not present in GW#3 subordinate
Instrument（In the absence of the intelligence instrument for the wireless mesh network for having added GW#3 management）.In addition, in Fig. 1, connect each gateway and
Dotted line, the connection mutual dotted line of intelligence instrument of intelligence instrument represent the communication path of wireless mesh network.
The radio communication function of intelligence instrument defers to that specific low electric power is wireless or WLAN（Local Area
Network, LAN）（IEEE802.11）、ZigBee（IEEE802.15.4）Deng any one or more.In addition, service
The function of device device 1,2 is different, therefore is set to independent device, but it is also possible to with collect the function of lookup data with
Path, a table apparatus of the function of state in management wireless mesh network are realized.Wide area network 3 is each gateway and each server
Network between device, is to use portable phone etc. wireless or optical fiber, telephone wire（Modem, ADSL（Asymmetric
Digital Subscriber Line, ADSL））Deng wired mode wide area network.
In the communication system so constituted, server unit 2（Hereinafter, in order to be distinguished with server unit 1, referred to as net
Network management server 2）The state for the intelligence instrument that each gateway is accommodated is monitored, judges whether that the processing for needing to adjust between gateway is born
Lotus, when being judged as needing adjustment, neighbour is moved to by a part for the intelligence instrument by a certain wireless mesh network has been added
The wireless mesh network connect（Change adds destination）Carry out Load adjustment.Hereinafter, the processing load between adjustment gateway is described in detail
Action.
Fig. 2A~Fig. 2 D and Fig. 3 are actions when representing to adjust the load between gateway in the communication system of embodiment 1
The sequence chart of example.Fig. 2A~Fig. 2 D, which are illustrated, makes addition gateway 10（GW#1）The intelligence instrument of wireless mesh network rejoin
Adjacent gateway 30（GW#3）Wireless mesh network, and switch add destination wireless mesh network when action time
Sequence.Fig. 3, which is illustrated, makes addition gateway 20（GW#2）The intelligence instrument of wireless mesh network rejoin adjacent gateway 30
（GW#3）Wireless mesh network, and switch add destination wireless mesh network when running order.
GW#3 situation is newly being set or from the case that plant failure has been recovered, as shown in Figure 2 A, first, to network
Management server 2 sends the start completion notification message for the start completion for representing device（Step S101）.Network management server 2
When receiving start completion notification message, by the gateway of the transmission source of the message（GW#3）It is appended to the gateway of management object and opens
Beginning condition managing（Monitoring of load condition etc.）, and return to start completion response message（Step S102）.
Moreover, network management server 2 is according to the respective of the GW#3 being added to newly the starting GW#1 abutted and GW#2
The positional information of each intelligence instrument of wireless mesh network and GW#1 and GW#2 receiving number（The number for the intelligence instrument that GW#1 is accommodated
The quantity for the intelligence instrument that amount, GW#2 are accommodated）, select to add again intelligence instrument of GW#3 wireless mesh network and
The order rejoined is determined, with the equal number for the intelligence instrument for causing each gateway receiving（Step S103）.On again
The order of addition, the 1st is set to by the intelligence instrument for the wireless mesh network that can directly identify oneself with the GW#3 for rejoining destination
It is individual, the 2nd will be set to via the 1st enterable intelligence instrument of intelligence instrument.Similarly determined after 3rd so that high
Effect ground performs rejoining as the whole intelligence instruments for rejoining and selecting.
Here, the selection of network management server 2 and the attachable intelligence instruments 102 of GW#3 are then illustrated（Can with GW#3
The intelligence instrument 102 that the position of communication is set）, with the attachable intelligence instrument 106 of the intelligence instrument 102 and with the intelligence
The attachable intelligence instrument 107 of instrument 106, decision rejoins GW#3's by the order of intelligence instrument 102 → 106 → 107
Wireless mesh network.In addition, in step s 103, the gateway of selected intelligence instrument addition is also carried out in the lump（GW#1）Appearance
Receive several renewals.
After step S103 processing terminates, as step S104, implement to add the switching action of destination.In the switching
In action, network management server 2 is to the intelligence instrument 102,106 and 107 that is selected in above-mentioned steps S103, from addition sequence
（Time started）One side in evening starts, and the ID of the gateway for the wireless mesh network for representing to rejoin destination is sent successively（=#
3）Add the time started with imparting and rejoin instruction message（Step S105~S107）.
It has received and rejoin the intelligence instrument 102,106 and 107 for indicating message according to the indicated addition time started,
In order to be added to wireless mesh network, implement adjacent hunting action respectively（Step S108, S120, S132）.
In addition, in the case where not indicating to add the time started in rejoining instruction message, adding again for example, indicating
The addition action that each intelligence instrument entered is carried out may be carried out in same timing, in this case, according to each intelligence instrument and pipe
The position relationship of the GW#3 as the wireless mesh network for adding destination is managed, action is rejoined until intelligence instrument 102
Untill completion, intelligence instrument 106,107 to rejoin action not smooth, be repeated and rejoin action, therefore flow, disappear
Power consumption power unnecessarily increases.In addition, the action of intelligence instrument 106,107（Send）As the communication to intelligence instrument 102
Interference, processing delays being possible to increase.In the present embodiment, network management server 2 considers such situation, determine to
The addition time started that each intelligence instrument is indicated, therefore, each action described later are performed efficiently, and switching can add in the short time
Enter destination.
In step S108 adjoining hunting action, the intelligence instrument 102 immediately begun to has been instructed to it as shown in Figure 2 B, has opened
The timer of the search response message to be received such as dynamic, broadcast search request message（Step S109）.The search request message of broadcast
Reach GW#1, the GW#3 and adjacent intelligence instrument 106, GW#1 and GW# being present in the coverage area of the electric wave of intelligence instrument 102
3 will represent to add the ID of the gateway of the wireless mesh network of destination（#1 or #3）Search is carried on the hop count untill gateway
Response message, and sent to intelligence instrument 102（Step S110, S111）.Here, hop count refers to represent from gateway via several intelligence
Energy instrument reaches the quantity from node, can be 1 in the case of direct communication with gateway, in the case of an intelligence instrument
For 2, via N platform intelligence instruments in the case of be N+1.
Intelligence instrument 106 is in order to wait addition until specified in rejoining of receiving of step S106 indicates message
Time untill beginning, start addition and start waiting for timer, due at this moment in the state added before starting, therefore not
Send search response message.
Intelligence instrument 102 is at the time of timer expiry of search response message to be received is waited, from what is received so far
In single or multiple search response message, choose in the above-mentioned gateway 30 for rejoining and indicating to be specified in message（GW#3）Untill
The minimum message of hop count, the intelligence instrument or gateway of the transmission source of the message of the selection are set to the wireless mesh network to be added
The connection destination of network（Step S112）.In the example in the figures, GW#3 is set to the connection for the wireless mesh network to be added
Destination.
At the time of timer expiry of search response message to be received is waited, what a search response message was not all received
In the case of, the timer of search response message to be received, broadcast search request message such as it is again started up（Step S109）, it is repeatedly real
Apply the action（Adjacent hunting action）Untill receiving search response message.
Implementation steps SS108 adjoining hunting action（Fig. 2 B step S109~S111）And complete to add the choosing of destination
When selecting, then, intelligence instrument 102 starts response waiting timer, to the connection purpose as the wireless mesh network to be added
Ground and the GW#3 that selects sends and adds register request message（Step S113）.Now, in step S108 before（Adjacent search is dynamic
Make）In, there is the wireless mesh network that can be added in addition（The wireless mesh network of GW management beyond GW#3）In the case of, one
And notify to represent the GW of other wireless mesh network that can be added ID.Here, by GW#1 ID（=#1）It is used as adjacent GW's
ID and notify in the lump.In addition, though omitting diagram, still, the authentication processing institute that register request message includes gateway side is being added
The information needed（Authentication information）.
The situation of the addition registration response message from GW#3 is not all received untill response waiting timer time-out
Under, intelligence instrument 102 carries out adding again the transmission of registration message, be have received before response waiting timer time-out from GW#3
Addition registration response message in the case of, stop response waiting timer.
GW#3 is carried out using the authentication information included in received addition register request message to intelligence instrument 102
Certification（Step S114）, update and accommodate number（Step S115）, will impart can accept registration（OK）Addition registration response message
Sent to intelligence instrument 102（Step S116）.
GW#3 imparts addition after above-mentioned addition registration response message is sent, to the transmission of network management server 2 and come in
Intelligence instrument 102 ID register request message（Step S117）.GW#3 receiving number is updated in network management server 2
（Step S118）, registration can be accepted by sending to impart to GW#3（OK）Addition registration response message（Step S119）.
On the other hand, it have received to rejoin in above-mentioned steps S106 and indicate the intelligence instrument 106 of message to wait
Time untill specified addition starts, start addition and start waiting for timer, in the timer expiry, implement adjoining
Hunting action（Step S120）.
In addition, intelligence instrument 106 is starting during addition starts waiting for untill timer plays time-out, stop being used for
The action that mesh network is added.
In step S120 adjoining hunting action, intelligence instrument 106 as shown in Figure 2 C, start etc. search response to be received
The timer of message, broadcast search request message（Step S121）.The search request message of broadcast, which is reached, is present in intelligence instrument
Adjoining intelligence instrument 101,102 and 107 in the coverage area of 106 electric wave, intelligence instrument 101 and 102 will represent to add mesh
Ground wireless mesh network gateway ID（#1 or #3）Search response message is carried on the hop count untill gateway, and to
Intelligence instrument 106 is sent（Step S122, S123）.
Intelligence instrument 107 is in order to wait until rejoining for being received in step S105 indicates addition specified in message
Time untill beginning, start addition and start waiting for timer, due at this moment in the state added before starting, therefore not
Send search response message.
Intelligence instrument 106 is at the time of timer expiry of search response message to be received is waited, from being received so far
Single or multiple search response message in, choose and indicate the gateway 30 specified of message in above-mentioned rejoin（GW#3）Untill
The minimum message of hop count, the intelligence instrument or gateway of the transmission source of the message of the selection are set to the wireless mesh network to be added
The connection destination of network（Step S124）.In the example in the figures, what is be connected with GW#3 is only intelligence instrument 102, therefore, this
In intelligence instrument 102 is set to the connection destination of the wireless mesh network to be added.
At the time of timer expiry of search response message to be received is waited, what a search response message was not all received
In the case of, the timer of search response message to be received, broadcast search request message such as it is again started up（Step S121）, it is repeatedly real
Apply the action（Adjacent hunting action）Untill receiving search response message.
Implementation steps S120 adjoining hunting action（Fig. 2 C step S121~S124）And the selection for adding destination is complete
Cheng Shi, then, intelligence instrument 106 start response waiting timer, via the connection mesh as the wireless mesh network to be added
Ground and the intelligence instrument 102 that selects, the GW#3 that the wireless mesh network of destination is added to management sends and adds registration request
Message（Step S125）.Now, in step S120 before（Adjacent hunting action）In, there is the wireless mesh that can be added in addition
Network（The wireless mesh network of GW management beyond GW#3）In the case of, notify to represent other wireless networks that this can be added in the lump
The GW of shape network ID.Here, by GW#1 ID（=#1）Notified in the lump as adjacent GW ID.
The situation of the addition registration response message from GW#3 is not all received untill response waiting timer time-out
Under, intelligence instrument 106 carries out adding again the transmission of registration message, be have received before response waiting timer time-out from GW#3
Addition registration response message in the case of, stop response waiting timer.
GW#3 is carried out using the authentication information included in received addition register request message to intelligence instrument 106
Certification（Step S126）, update and accommodate number（Step S127）, will impart can accept registration（OK）Addition registration response message
Sent to intelligence instrument 106（Step S128）.
GW#3 imparts addition after above-mentioned addition registration response message is sent, to the transmission of network management server 2 and come in
Intelligence instrument 106 ID register request message（Step S129）.GW#3 receiving number is updated by network management server 2
（Step S130）, will impart can accept registration（OK）Addition registration response message sent to GW#3（Step S131）.
Indicate the intelligence instrument 107 of message to wait until institute in addition, have received and rejoin in above-mentioned steps S105
The addition specified start untill time, start addition and start waiting for timer, in the timer expiry, implement adjacent search
Action（Step S132）.
In addition, intelligence instrument 107 is starting during addition starts waiting for untill timer plays time-out, stop being used for
The action that mesh network is added.
In step S132 adjoining hunting action, intelligence instrument 107 as shown in Figure 2 D, start etc. search response to be received
The timer of message, and broadcast search request message（Step S133）.The search request message of broadcast, which is reached, is present in Intelligent Instrument
Adjoining intelligence instrument 102 and 106 in the coverage area of the electric wave of table 107, intelligence instrument 102 and 106 will represent to add purpose
The ID of the gateway of the wireless mesh network on ground（#3）Search response message is carried on the hop count untill gateway, and to Intelligent Instrument
Table 107 is sent（Step S134, S135）.
Intelligence instrument 107 is at the time of timer expiry of search response message to be received is waited, from what is received so far
Chosen in single or multiple search response message and rejoin gateway 30 specified in instruction message above-mentioned（GW#3）For
The minimum message of hop count only, the wireless mesh to be added is set to by the intelligence instrument or gateway of the transmission source of the message of the selection
The connection destination of network（Step S136）.In the example in the figures, the hop count untill GW#3 at least be intelligence instrument
102, therefore, intelligence instrument 102 is set to the connection destination for the wireless mesh network to be added here.
At the time of timer expiry of search response message to be received is waited, what a search response message was not all received
In the case of, the timer of search response message to be received, and the broadcast search request message such as it is again started up（Step S133）, repeatedly
Implement the action（Adjacent hunting action）Untill receiving search response message.
Implementation steps SS132 adjoining hunting action（Fig. 2 D step S133~S136）And the selection for adding destination is complete
Cheng Shi, then, intelligence instrument 107 start response waiting timer, via the connection mesh as the wireless mesh network to be added
Ground and the intelligence instrument 102 that selects, the GW#3 that the wireless mesh network of destination is added to management sends and adds registration request
Message（Step S137）.Now, in step S132 before（Adjacent hunting action）In, there is the wireless mesh that can be added in addition
Network（The wireless mesh network of GW management beyond GW#3）In the case of, notify to represent other wireless networks that this can be added in the lump
The GW of shape network ID.Here, in the absence of the wireless mesh network that can be added in addition, therefore, do not notify to abut GW ID.
In the case of all not receiving the addition registration response message from GW#3 untill response waiting timer time-out,
Intelligence instrument 107 carries out adding again the transmission of registration message, be have received before response waiting timer time-out from GW#3's
In the case of adding registration response message, stop response waiting timer.
GW#3 is carried out using the authentication information included in received addition register request message to intelligence instrument 107
Certification（Step S138）, update and accommodate number（Step S139）, will impart can accept registration（OK）Addition registration response message
Sent to intelligence instrument 107（Step S140）.
GW#3 imparts addition after above-mentioned addition registration response message is sent, to the transmission of network management server 2 and come in
Intelligence instrument 107 ID register request message（Step S141）.GW#3 receiving number is updated in network management server 2
（Step S142）, registration can be accepted by sending to impart to GW#3（OK）Addition registration response message（Step S143）.
Above is network management server 2 is judged as needing the processing load adjustment between gateway and makes GW#1 a part of intelligence
Energy instrument is moved to adjacent GW#3（Change adds destination）When control action, be that will be added to high load capacity specifically
The addition destination of intelligence instrument 102,106 and 107 in the intelligence instrument of the GW#1 of state wireless mesh network is switched to
The action of adjacent GW#3 wireless mesh network.In addition, making GW21 a part of intelligence instrument to during adjacent GW#3 movements
Control action it is as shown in Figure 3.The Fig. 3 represents will be added to the intelligence instrument in the intelligence instrument of GW#2 wireless mesh network
201st, action when 204 and 205 addition destination is switched to adjacent GW#3 wireless mesh network, still, network management
Server 2, each gateway（GW#1、GW#2、GW#3）And switching adds each intelligence instrument of destination（Intelligence instrument 201,204,
205）Action it is same with the action shown in Fig. 2, therefore omit the description.
So, in the present embodiment, network management server detects the startup of gateway, regard the gateway as management object
And in the case of adding, in order that the equal number for the intelligence instrument that each gateway of management object is accommodated, to being added to each net
A part of intelligence instrument that the gateway abutted in each intelligence instrument of the wireless mesh network of pass with the gateway of startup is accommodated, refers to
Show and rejoin adjacent wireless mesh network, the wireless mesh network of the gateway management started（Change adds destination）.
In addition, also indicating in the lump as the addition time started for performing the timing for rejoining action.Thus, indicate what is rejoined
Each intelligence instrument carries out addition registration again in specified timing, therefore, it can efficiently carry out the change order for adding destination,
And can automatically seek gateway accommodate intelligence instrument quantity equalization, i.e. gateway between load.
Embodiment 2.
Then, embodiment 2 is illustrated.In addition, the composition of communication system is set to constitute with the identical of embodiment 1 and entered
Row explanation（Reference picture 1）.Fig. 4 is the figure for illustrating the control action in the communication system of embodiment 2.With embodiment 1
Equally, control action when GW#3 newly starts is illustrated.
In the communication system of present embodiment, newly set as GW#3 or from plant failure recovery before action, respectively
Gateway is as shown in figure 4, in order to collect value of periodically tabling look-up, starting value of periodically tabling look-up and collecting timer, at certain intervals to receiving
Each intelligence instrument sends the lookup data request message for imparting adjacent searching request（Step S201, S211）.That is, looked into periodically
When tabular value collects timer expiry, gateway sends the lookup data request message for imparting adjacent searching request.In addition, detailed feelings
Condition will be described then, receive the response message for lookup data request message, and the search result obtained as a result is notified
To after network management server 2, the regular value of tabling look-up of restarting collects timer.In Fig. 4, concern GW#1 and intelligence instrument
102, describe the transmitting-receiving action of lookup data request/response message, still, action between GW#1 and other intelligence instruments and its
Action between his gateway and intelligence instrument is similarly.
The intelligence instrument 102 that have received lookup data request message performs adjacent hunting action（Step S202）.In the neighbour
Connect in hunting action, first, the timer of the search response message to be received such as startup, and broadcast search request message（Step
S203）.The search request message of broadcast reaches the adjoining intelligence instrument being present in the coverage area of the electric wave of intelligence instrument 102
106 and GW#1, intelligence instrument 106 and GW#1 will represent to add the ID of the gateway of the wireless mesh network of destination（#1）With to net
Hop count untill pass is carried on search response message, is sent to intelligence instrument 102（Step S204, S205）.
Intelligence instrument 102 is at the time of timer expiry of search response message to be received is waited, according to receiving so far
Single or multiple search response message, the ID of gateway and the group of hop count of wireless mesh network will be represented as search result
Extract, sent to GW#1 and impart value of periodically tabling look-up（Electricity usage amount in certain intervals（kWh））And the search result is looked into
Table data answering message（Step S206）.
It has received and impart value of periodically tabling look-up（Electricity usage amount in certain intervals（kWh））And the number of tabling look-up of search result
The search notification message for imparting the search result is sent to network management server 2 according to the GW#1 of response message（Step
S207）, the search result of intelligence instrument 102 is kept in network management server 2（Step S208）.
In the state of the collection action of value of periodically tabling look-up more than regularly performing, GW#3 is newly set or former from device
When barrier recovers, the start completion notification message for the start completion for representing device is sent to network management server 2（Step S209）,
Network management server 2 sends start completion response message to GW#3（Step S210）.
GW#1 is sent after search notification message in step S207 to network management server 2, starts collection of periodically tabling look-up
Timer, in the timer expiry, sends the lookup data request for imparting adjacent searching request to intelligence instrument 102 again
Message（Step S211）.
The intelligence instrument 102 of lookup data request message is have received in step S211 with being received in above-mentioned step S201
The situation of lookup data request message is same, performs adjacent hunting action（Step S212）.That is, the search to be received such as startup should
Answer the timer of message, and broadcast search request message（Step S213）.
The search request message of broadcast reaches the adjoining Intelligent Instrument being present in the coverage area of the electric wave of intelligence instrument 102
Table 106 and GW#1, and the GW#3 of the start completion of device is also reached, intelligence instrument 106, GW#1 and GW#3 will represent to add mesh
Ground wireless mesh network gateway ID（#1、#3）Search response message is carried on the hop count untill gateway, and to
Intelligence instrument 102 is sent（Step S214~S216）.
Intelligence instrument 102 is at the time of timer expiry of search response message to be received is waited, according to receiving so far
Single or multiple search response message, the ID of gateway and the group of hop count of wireless mesh network will be represented as search result
Extract, sent to GW#1 and impart value of periodically tabling look-up（Electricity usage amount in certain intervals（kWh））And the search result is looked into
Table data answering message（Step S217）.
It has received and impart value of periodically tabling look-up（Electricity usage amount in certain intervals（kWh））And the number of tabling look-up of search result
The search notification message for imparting the search result is sent to network management server 2 according to the GW#1 of response message（Step
S218）, the search result of intelligence instrument 102 is kept in network management server 2（Step S219）.
Above-mentioned action is performed by each gateway（Step S202 etc. adjoining hunting action）And notify search result to net
Network management server 2, so that network management server 2 can obtain the search result based on each intelligence instrument, can grasp and add
Enter the attainability of the radio communication between the intelligence instrument of each wireless mesh network into communication system.That is, for each Intelligent Instrument
Table, can be grasped attachable（By wirelessly can direct communication）Adjacent intelligence instrument.
Then, as illustrated by embodiment 1, network management server 2 judges whether to need to carry out between gateway
Load adjustment, in the switching action of the wireless mesh network for the addition destination for carrying out intelligence instrument（Step S104 with Fig. 2A,
The actions of Fig. 3 step S144 quite）When, not only consider the positional information of each intelligence instrument, it is also contemplated that adjacent search result（Intelligence
The attainability of the radio communication of energy instrument cubicle）, select to be added to the intelligence instrument of GW#3 wireless mesh network again and determine
Surely the order for rejoining selected intelligence instrument.
The order for being added to the selection of the intelligence instrument of GW#3 wireless mesh network again and rejoining determines to terminate
Afterwards, selected each intelligence instrument is made to rejoin adjacent wireless mesh network（GW#3 wireless mesh network）Action
The action illustrated with embodiment 1（The step S144 of Fig. 2A step S104, Fig. 3）Equally, therefore omit the description.
So, in the present embodiment, each gateway is sent at certain intervals imparts periodically tabling look-up for adjacent searching request
The request message of value, situation of each intelligence instrument in the request message for receiving the value of periodically tabling look-up for imparting adjacent searching request
Under, progress abuts search, will abut against search result and is sent together with lookup data to gateway, and gateway is by from the intelligence instrument of receiving
The adjoining search result of reception transfers to network management server, network management server according to the adjoining search result of reception,
Grasp the attainability of the radio communication between intelligence instrument.In addition, network management server carries out the feelings of the load adjustment between gateway
Under condition, according to the attainability of the radio communication between the positional information and intelligence instrument of each intelligence instrument, selection change adds purpose
The intelligence instrument of the wireless network on ground, and determine that change adds the order of destination.Thus, it is possible to make the intelligence instrument of selection
Adjacent wireless mesh network is reliably and efficiently rejoined, the intelligence instrument quantity that can automatically seek each gateway to accommodate
Equalization, i.e. gateway between load.
Embodiment 3.
Then, embodiment 3 is illustrated.In addition, the composition of communication system is set to constitute and carry out with the identical of embodiment 1
Explanation（Reference picture 1）.Fig. 5 is the figure for illustrating the control action in the communication system of embodiment 3.With embodiment 1,2
Equally, control action when GW#3 newly starts is illustrated.
In the case of GW#3 is newly-installed or from the case that plant failure is recovered, as shown in figure 5, first, to network pipe
Manage the start completion notification message that server 2 sends the start completion for representing device（Step S301）.Here, present embodiment
Gateway（It is GW#3 in example illustrated）The additional startup reason in start completion notice（It is new set or extensive from plant failure
It is multiple）And send.In the example in the figures, GW#3 sends addition of and represents to notify from the start completion of the startup reason of fault recovery
Message.When network management server 2 receives start completion notification message, by the gateway of the transmission source of the message（GW#3）To management
The gateway of object adds and starts condition managing（Monitoring of load condition etc.）, and return to start completion response message（Step
S302）.
Network management server 2 further acknowledges GW#3 startup reason（Step S303）, in the case of being newly-installed（Step
S303：It is new to set）, read the positional information being added to each intelligence instrument of GW#3 GW#1, GW#2 abutted wireless network
（Step S305）.On the other hand, be from plant failure recover in the case of（Step S303：Fault recovery）, read and added
To GW#3 wireless network（That is, plant failure occurs what preceding GW#3 had been accommodated）The information of each intelligence instrument（Step S304）.
After step S304 or S305 is performed, network management server 2 is in order that the intelligence instrument that each gateway is accommodated
Equal number, according to the information of reading（The positional information or GW#3 for each intelligence instrument that GW#3 adjacent gateway is accommodated are held
The information for each intelligence instrument received）, selection is added to the intelligence instrument of GW#3 wireless mesh network again, and determines again
The order of addition（Step S306）.
The selection of the intelligence instrument added again to GW#3 wireless mesh network and the order rejoined determine to complete
Afterwards, each intelligence instrument of selection is made to rejoin adjacent wireless mesh network（GW#3 wireless mesh network）Action and reality
Apply the action that mode 1 illustrates（The step S144 of Fig. 2A step S104, Fig. 3）Equally, therefore omit the description.
So, in the present embodiment, each gateway is set, from the case that fault recovery starts because new, is being started
Additional into notification message to start reason and send, network management server 2 is the feelings from plant failure recovery starting reason
Under condition, gone over according to the gateway of startup（Before failure occurs）The information of the intelligence instrument of receiving, selection change adds destination
The intelligence instrument of wireless network, and determine that change adds the order of destination.In addition, it is newly-installed situation to start reason
Under, the positional information of the intelligence instrument accommodated according to the gateway with the adjoining of the gateway of startup, selection change adds the nothing of destination
The intelligence instrument of gauze network, and determine that change adds the order of destination.It is thus possible to by the intelligence instrument of selection it is reliable and
Adjacent wireless mesh network is efficiently rejoined, the equilibrium of the intelligence instrument quantity of each gateway receiving can be automatically sought
Load between change, i.e. gateway.
In addition, in the above description, the gateway of startup notifies to start reason to network management server, in notifying
Hold, network management server determines whether to recover from plant failure, still, can also be in net even if not notifying to start reason
Network management server side, which differentiates, starts reason.That is, network management server confirms in the case where receiving start completion notice
Whether to notify the gateway in source related information is maintained（The information of the intelligence instrument of receiving）, in the case of holding, judge
It is the gateway recovered from plant failure.
Embodiment 4.
Then, embodiment 4 is illustrated.In addition, the composition of communication system is set to constitute and carry out with the identical of embodiment 1
Explanation（Reference picture 1）.Fig. 6 A~Fig. 6 C are the figures for illustrating the control action in the communication system of embodiment 4.With implementation
Mode 1 is same, illustrates control action when GW#3 newly starts.In addition, Fig. 6 A are to represent the 1st intelligence instrument jumped since GW#3
（The intelligence instrument that can be directly connected to GE#3）Action figure, Fig. 6 B are to represent since GW#3 the 2nd intelligence instrument jumped（Through
The intelligence instrument that can be connected by an intelligence instrument with GE#3）Action figure, Fig. 6 C are to represent since GW#3 the 3rd intelligence jumped
Can instrument（The intelligence instrument that can be connected via 2 intelligence instruments with GE#3）Action figure.
GW#3 is in the case of newly-installed or from the case that plant failure is recovered, as shown in Figure 6A, first, to network
Management server 2 sends the start completion notification message for the start completion for representing device（Step S401）.Network management server 2
When receiving start completion notification message, by the gateway of the transmission source of the message（GW#3）Add and start to the gateway of management object
Condition managing（Monitoring of load condition etc.）, and return to start completion response message（Step S402）.
GW#3 is when receiving start completion response message, then, starts and represents to determine with the transmission of the report information started
When device（Hereinafter referred to as with beginning report information transmission timer）, broadcast hop count is set to 1 report information message（Step
S403）.Device GW#3 of this report informational message comprising transmission source identification information and expression send source device and start what is used
Information.The report information message that the 1st intelligence instrument 102 and 201 jumped since GW#3 receives broadcast is merely present in, respectively
Progress abuts hunting action（Step S404, S416）.In addition, the hop count of report information message is 1, therefore, report letter have received
Each intelligence instrument of breath message does not transfer reception message.
In the adjoining hunting action of step S404, S416, the search to be received such as intelligence instrument 102,201 is respectively started should
Answer the timer of message, and broadcast search request message（Step S405, S417）.The searching request broadcasted from intelligence instrument 102
Message reaches the GW#1 and GW#3, GW#1 and GW#3 being present in the coverage area of the electric wave of intelligence instrument 102 and will represented respectively
Add the ID of the gateway of the wireless mesh network of destination（#1 or #3）Search response is carried on the hop count untill gateway to disappear
Breath, and sent to intelligence instrument 102（Step S406, S407）.Equally, from intelligence instrument 201 broadcast search request message to
It will represent to add mesh respectively up to the GW#2 and GW#3, GW#2 and GW#3 in the coverage area for the electric wave for being present in intelligence instrument 201
Ground wireless mesh network gateway ID（#2 or #3）Search response message is carried on the hop count untill gateway, and to
Intelligence instrument 201 is sent（Step S418, S419）.
Intelligence instrument 102,201 wait it is to be received search response message timer expiry at the time of, be from so far respectively
In the single or multiple search response message only received, the transmission in the above-mentioned steps S403 report information message received is chosen
The gateway 30 in source（GW#3）Untill the minimum message of hop count, the intelligence instrument or gateway of the transmission source of the message of the selection are set
For the connection destination for the wireless mesh network to be added（Step S408, S420）.In the example in the figures, intelligence instrument 102
And 201 connection destination that GW#3 is set to the wireless mesh network to be added.
At the time of timer expiry of search response message to be received is waited, what a search response message was not all received
In the case of, the timer for the search response message to be received such as intelligence instrument 102,201 is again started up, and broadcast search request message
（Step S405, S417）, implement the action repeatedly（Adjacent hunting action）Untill receiving search response message.
When implementing adjacent hunting action and adding the selection completion of destination, then, intelligence instrument 102,201 is respectively started
Response waiting timer, to the connection destination as the wireless mesh network to be added, the GW#3 that selects sends and adds registration
Request message（Step S409, S421）.Now, in adjoining hunting action before（Step S404, S416）In, exist and in addition may be used
The wireless mesh network of addition（The wireless mesh network of GW management beyond GW#3）In the case of, notify to represent that this can add in the lump
The GW of other wireless mesh network entered ID.Here, intelligence instrument 102 is by GW#1 ID（=#1）As adjacent GW ID, separately
Outside, intelligence instrument 201 is by GW#2 ID（=#2）Notified in the lump respectively as adjacent GW ID.
Intelligence instrument 102 and 201 does not all receive the addition registration from GW#3 untill response waiting timer time-out
In the case of response message, carry out adding the transmission of registration message again, have received and come from before response waiting timer time-out
In the case of GW#3 addition registration response message, stop response waiting timer.
GW#3 from intelligence instrument 102 receive add register request message when, using the addition register request message received
Included in authentication information intelligence instrument 102 is authenticated（Step S410）, update and accommodate number（Step S411）, will assign
Registration can be accepted by having given（OK）Addition registration response message sent to intelligence instrument 102（Step S412）.Equally, from Intelligent Instrument
Table 201 receive add register request message after, using the authentication information included in the addition register request message received come
Intelligence instrument 201 is authenticated（Step S422）, update and accommodate number（Step S423）, will impart can accept registration（OK）'s
Registration response message is added to send to intelligence instrument 201（Step S424）.
GW#3 sends to impart and added respectively after it have sent above-mentioned addition registration response message to network management server 2
Register request message, the ID for the intelligence instrument 201 for the imparting addition registration request for entering the ID for the intelligence instrument 102 come in disappear
Breath（Step S413, S425）.GW#3 receiving number is updated when receiving register request message every time in network management server 2
（Step S414, S426）, will impart can accept registration（OK）Addition registration response message sent to GW#3（Step S415,
S427）.
In addition, the utilization that GW#3 starts in above-mentioned steps S403 execution starts report information transmission timer time-out
When, plus one to hop count, report information message is broadcasted again（Step S428）.Now, restarting is sent out with report information is started
Send timer.It is present in the 1st intelligence instrument 102 and 201 jumped since GW#3 and receives this report informational message, hop count is set
For 2, therefore subtract 1 from the hop count of setting and transferred after being updated to 1.
The report information message transferred by intelligence instrument 102 or 201 is present in the 2nd Intelligent Instrument jumped since GW#3
Table 106 and 204 is received, and intelligence instrument 106 and 204 carries out abutting hunting action respectively（Fig. 6 B step S429, S440）.
In the adjoining hunting action of step S429, S440, the search to be received such as intelligence instrument 106,204 is respectively started should
Answer the timer of message, and broadcast search request message（Step S430, S441）.The searching request broadcasted from intelligence instrument 106
Message reaches the intelligence instrument 102 as the adjoining intelligence instrument in the coverage area for the electric wave for being present in intelligence instrument 106, intelligence
Energy instrument 102 will represent to add the ID of the gateway of the wireless mesh network of destination（#3）It is carried on the hop count untill gateway
Response message is searched for, and is sent to intelligence instrument 106（Step S431）.Equally, the searching request broadcasted from intelligence instrument 204 disappears
Breath reaches the intelligence instrument 201 as the adjoining intelligence instrument in the coverage area for the electric wave for being present in intelligence instrument 204, intelligence
Instrument 201 will represent to add the ID of the gateway of the wireless mesh network of destination（#3）It is carried on and searches with the hop count untill gateway
Rope response message, and sent to intelligence instrument 204（Step S442）.
Intelligence instrument 106,204 wait it is to be received search response message timer expiry at the time of, be from so far respectively
The transmission in the above-mentioned steps S428 report information message received is chosen in the single or multiple search response message only received
The gateway 30 in source（GW#3）Untill the minimum message of hop count, the intelligence instrument or gateway of the transmission source of the message of the selection are set
For the connection destination for the wireless mesh network to be added（Step S432, S443）.In the example in the figures, intelligence instrument 106
Intelligence instrument 102 is set to the connection destination for the wireless mesh network to be added, intelligence instrument 204 sets intelligence instrument 201
For the connection destination for the wireless mesh network to be added.
At the time of timer expiry of search response message to be received is waited, what a search response message was not all received
In the case of, the timer for the search response message to be received such as intelligence instrument 106,204 is again started up, and broadcast search request message
（Step S430, S441）, implement the action repeatedly（Adjacent hunting action）Untill receiving search response message.
When implementing adjacent hunting action and adding the selection completion of destination, then, intelligence instrument 106,204 is respectively started
Response waiting timer, the intelligence instrument selected via the connection destination as the wireless mesh network to be added is to management
The GW#3 for adding the wireless mesh network of destination sends addition register request message（Step S433, S444）.Now, before
Adjoining hunting action（Step S429, S440）In, there is the wireless mesh network that can be added in addition（GW management beyond GW#3
Wireless mesh network）In the case of, notify to represent the GW of other wireless mesh network that can be added ID in the lump.Here,
Intelligence instrument 106 is by GW#1 ID（=#1）Notified in the lump as the ID for adjacent GW, in addition, intelligence instrument 204 is by GW#2's
ID（=#2）It is set to abut GW ID and notifies in the lump.
Intelligence instrument 106 and 204 does not all receive the addition registration from GW#3 untill response waiting timer time-out
In the case of response message, carry out adding the transmission of registration message again, have received and come from before response waiting timer time-out
In the case of GW#3 addition registration response message, stop response waiting timer.
GW#3 from intelligence instrument 106 receive add register request message when, using the addition register request message received
Included in authentication information intelligence instrument 106 is authenticated（Step S434）, update and accommodate number（Step S435）, send
Registration can be accepted by imparting（OK）Addition registration response message（Step S436）.Equally, addition is received from intelligence instrument 204 to step on
When remembering request message, intelligence instrument 204 is entered using the authentication information included in the addition register request message received
Row certification（Step S445）, update and accommodate number（Step S446）, transmission, which is imparted, can accept registration（OK）Addition registration response
Message（Step S447）.
GW#3 sends to impart and added respectively after it have sent above-mentioned addition registration response message to network management server 2
Register request message, the ID for the intelligence instrument 204 for the imparting addition registration request for entering the ID for the intelligence instrument 106 come in disappear
Breath（Step S437, S448）.GW#3 receiving number is updated when receiving register request message every time in network management server 2
（Step S438, S449）, will impart can accept registration（OK）Addition registration response message sent to GW#3（Step S439,
S450）.
In addition, the utilization that GW#3 starts in above-mentioned steps S428 execution starts report information transmission timer time-out
When, plus 1 to hop count, report information message is broadcasted again（Step S451）.Now, restarting is sent with report information is started
Timer.It is present in the 1st intelligence instrument 102 and 201 jumped since GW#3 and receives this report informational message, hop count is set to
3, therefore subtract 1 from the hop count of setting and transfer after being updated to 2.Be present in since GW#3 the 2nd jump intelligence instrument 106 and
204 receive the report information message transferred by the 1st intelligence instrument jumped, and hop count is set into 2, thus subtract 1 from the hop count of setting and
Transferred after being updated to 1.
The report information message transferred by intelligence instrument 106 or 204 is present in the 3rd Intelligent Instrument jumped since GW#3
Table 107 and 205 is received, and intelligence instrument 107 and 205 carries out abutting hunting action respectively（Fig. 6 C step S452, S464）.
In the adjoining hunting action of step S452, S464, the search to be received such as intelligence instrument 107,205 is respectively started should
Answer the timer of message, and broadcast search request message（Step S453, S465）.The searching request broadcasted from intelligence instrument 107
Message reaches the intelligence instrument 106 as the adjoining intelligence instrument in the coverage area for the electric wave for being present in intelligence instrument 107, intelligence
Energy instrument 106 will represent to add the ID of the gateway of the wireless mesh network of destination（#3）It is carried on the hop count untill gateway
Response message is searched for, and is sent to intelligence instrument 107（Step S454）.Equally, the searching request broadcasted from intelligence instrument 205 disappears
Breath reaches the intelligence instrument 204 as the adjoining intelligence instrument in the coverage area for the electric wave for being present in intelligence instrument 205, intelligence
Instrument 204 will represent to add the ID of the gateway of the wireless mesh network of destination（#3）It is carried on and searches with the hop count untill gateway
Rope response message, and sent to intelligence instrument 205（Step S466）.
Intelligence instrument 107,205 wait it is to be received search response message timer expiry at the time of, be from so far respectively
The transmission in the above-mentioned steps S451 report information message received is chosen in the single or multiple search response message only received
The gateway 30 in source（GW#3）Untill the minimum message of hop count, the intelligence instrument or gateway of the transmission source of the message of the selection are set
For the connection destination for the wireless mesh network to be added（Step S456, S467）.In the example in the figures, intelligence instrument 107
Intelligence instrument 106 is set to the connection destination for the wireless mesh network to be added, intelligence instrument 205 sets intelligence instrument 204
For the connection destination for the wireless mesh network to be added.
At the time of timer expiry of search response message to be received is waited, what a search response message was not all received
In the case of, the timer for the search response message to be received such as intelligence instrument 107,205 is again started up, and broadcast search request message
（Step S453, S465）, implement the action repeatedly（Adjacent hunting action）Untill receiving search response message.
Implement adjacent hunting action and add after the completion of the selection of destination, then, intelligence instrument 107,205 is respectively started
Response waiting timer, the intelligence instrument selected via the connection destination as the wireless mesh network to be added is to management
The GW#3 for adding the wireless mesh network of destination sends addition register request message（Step S457, S468）.Now, before
Adjoining hunting action（Step S452, S464）In, there is the wireless mesh network that can be added in addition（GW management beyond GW#3
Wireless mesh network）In the case of, it will represent that the GW of other wireless mesh network that can be added ID is notified in the lump.This
In, intelligence instrument 107 is by GW#1 ID（=#1）Notified in the lump as adjacent GW ID, in addition, intelligence instrument 205 is by GW#2
ID（=#2）Notified in the lump as adjacent GW ID.
Intelligence instrument 107 and 205 does not all receive the addition registration from GW#3 untill response waiting timer time-out
In the case of response message, carry out adding the transmission of registration message again, have received and come from before response waiting timer time-out
In the case of GW#3 addition registration response message, stop response waiting timer.
GW#3 from intelligence instrument 107 receive add register request message when, using the addition register request message received
Included in authentication information intelligence instrument 107 is authenticated（Step S458）, update and accommodate number（Step S459）, will assign
It can accept registration（OK）Addition registration response message sent to intelligence instrument 107（Step S460）.Equally, from intelligence instrument
When 205 receptions add register request message, using the authentication information included in the addition register request message received to intelligence
Energy instrument 205 is authenticated（Step S469）, update and accommodate number（Step S470）, will impart can accept registration（OK）Addition
Registration response message is sent to intelligence instrument 205（Step S471）.
GW#3 sends after above-mentioned addition registration response message is sent and imparts addition respectively to network management server 2
The ID for the intelligence instrument 107 come in register request message, impart addition intelligence instrument 205 ID register request message
（Step S461, S472）.GW#3 receiving number is updated when receiving register request message every time in network management server 2
（Step S462, S473）, will impart can accept registration（OK）Addition registration response message sent to GW#3（Step S463,
S474）.
So, in the present embodiment, each gateway carries out broadcast after starting and starting to use, periodically and represents utilization
The report information of beginning is to cause the intelligence instrument from the 1st lateral next-hop of intelligence instrument jumped to propagate successively, from the 1st intelligence jumped
Energy instrument rises in sequence, reselects the wireless mesh network for adding destination, therefore, it can automatically seek each gateway to hold
Load between equalization, the i.e. gateway for the intelligence instrument quantity received.
In the present embodiment, illustrate with from the gateway of startup（GW#3）The intelligence instrument started untill the 3rd jumps is made
The situation for adding destination is reselected for object, still, reselect add the scope of destination can be with wider or more
It is narrow.Alternatively, it is also possible to continue to implement to add reselecting for destination, until network management server is judged as that each gateway is accommodated
Intelligence instrument quantity equalization realize untill.That is, network management server sends instruction with to the gateway transmission table of startup
Show with the report information message started（The report information message sent in above-mentioned step S403 etc.）, then, receive and add
Enter register request message and after the receiving number of more new gateway, judge whether to proceed to add destination reselects action.
Utilization possibility in industry
As described above, the present invention is as including multiple intelligence by as the node with the function of being tabled look-up to electric power etc.
The communication system of the wireless mesh network of energy instrument formation is useful, is particularly suitable for seek to accommodate each wireless mesh network
The communication system of load between gateway.
Claims (5)
1. the quantity of a kind of management server, the in a communications system node that management gateway is each accommodated, and collect and manage
Based on the measurement result of the node, the communication system includes the multiple wireless networks formed by gateway and more than one node
Shape network, the node is accommodated and measured for the usage amount of at least one in electric power, coal gas and running water by the gateway, should
Management server is characterised by,
In the case where detecting gateways and starting, the quantity of node that is accommodated according to each gateway of management object and each node
Positional information, determines that change adds the node of the wireless mesh network of destination, each node of the decision is indicated, so that
The wireless mesh network for adding destination must be changed to the wireless mesh network of the gateway management of the startup,
In the case where the startup reason notified from the gateway of the startup represents from plant failure recovery, opened according to described
The management information of the gateway used before being broken down in dynamic gateway, determines that change adds the wireless mesh network of destination
Node.
2. management server according to claim 1, it is characterised in that
The hunting action result of the adjacent node based on each node is collected,
Quantity, the positional information of each node and the hunting action knot of the node accommodated according to each gateway of management object
Really, the node of the wireless mesh network of the change addition destination is determined.
3. management server according to claim 1, it is characterised in that
Indicate to perform the timing for the change action for adding destination to each node determined so that hold in different timings respectively
Row adds the change action of destination.
4. management server according to claim 3, it is characterised in that
So that the change action for adding destination is performed the node set near the gateway in the startup in sequence.
5. a kind of gateway, the gateway be directed to measurement one of the usage amount of at least one in electric power, coal gas and running water with
On node form wireless mesh network together, the gateway is characterised by,
Upon actuation, indicated in sequence to the node more than hop count from being the minimum node of hop count with itself adjacent node
To reselect the wireless mesh network for adding destination, make be added to the node of adjacent wireless mesh network one
Divide the wireless mesh network for being added to self-management.
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| PCT/JP2011/057444 WO2012131853A1 (en) | 2011-03-25 | 2011-03-25 | Communications system |
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| CN103460726A CN103460726A (en) | 2013-12-18 |
| CN103460726B true CN103460726B (en) | 2017-11-07 |
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| CN107852662B (en) * | 2015-05-26 | 2021-11-05 | 瑞典爱立信有限公司 | Reconfiguration in a wireless mesh network |
| JP6699534B2 (en) * | 2016-12-13 | 2020-05-27 | 沖電気工業株式会社 | Wireless communication device, wireless communication program, and wireless communication method |
| US10334458B2 (en) * | 2017-05-03 | 2019-06-25 | Fisher-Rosemount Systems, Inc. | Intelligent sequencing of multiple wireless nodes for transfer between wireless mesh networks in a process control system |
| KR102098156B1 (en) * | 2018-10-16 | 2020-04-09 | 주식회사 알아이파워 | Remote ble mesh network system and method for configuring the same |
| CN112311827A (en) * | 2019-07-30 | 2021-02-02 | 云丁网络技术(北京)有限公司 | Intelligent ammeter management system and method |
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| CN101588293A (en) * | 2009-04-24 | 2009-11-25 | 常熟理工学院 | Full IP communication interconnection system of Ad Hoc network and IPv6 network |
| CN101945398A (en) * | 2009-07-07 | 2011-01-12 | 华为技术有限公司 | Method and device for planning wireless network |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5518254B2 (en) | 2014-06-11 |
| WO2012131853A1 (en) | 2012-10-04 |
| CN103460726A (en) | 2013-12-18 |
| JPWO2012131853A1 (en) | 2014-07-24 |
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