CN1946044A - Self configuration radio net bridge network and its realizing and automatically restoring method - Google Patents
Self configuration radio net bridge network and its realizing and automatically restoring method Download PDFInfo
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Abstract
This invention discloses an auto-collocated radio bridge network formed by a tree-like root node and sub-node layers, in which, the root node is composed of a central monitor module and multiple root node slave bridges connected in wire, the sub-node layer is composed of sub-nodes, which is composed of a primary bridge of the sub-node and multiple slave-bridges connected in wire, the primary bridge of the sub-nodes is bridge-connected with the slave bridge of the root node wirelessly, and only one of the slave bridge of the root node, the primary bridge of the sub-node or slave bridge of the sub-node is bridge-connected wirelessly, the sub-node layer can be composed of multi-layer of sub-nodes and any two adjacent layers of sub-nodes are connected in tree-like. This invention also discloses a realization and auto-resuming method for auto-collocated wire bridge network.
Description
Technical field
The present invention relates to the implementation method of a kind of self configuration radio net bridge network and a kind of self configuration radio net bridge network, the automatic recovery method that also relates to a kind of self configuration radio net bridge network, be particularly related to the self configuration radio net bridge network that a kind of node is made of wired continuous bridge group, a kind of implementation method of choosing, change and coordinating the self configuration radio net bridge network of different bridge relations automatically, and the method for when some connection of self configuration radio net bridge network disconnects, recovering automatically.
Background technology
Realize the interconnected store-and-forward unit of LAN as link layer, wireless bridge with its can realize (can reaching 20km) at a distance, the characteristics acquisition application more and more widely of the wireless networking that (can reach 100Mbps) at a high speed.The network that utilizes bridge to carry out the wireless networking formation at present is divided into following several types:
1, point-to-point type bridge network, promptly the linear network bridge network is made up of a pair of outdoor wireless bridge and a pair of antenna, can be used to connect two networks that lay respectively at the different location.The access way simple and flexible, but lack necessary access-in management mechanism, the less and simple occasion of network configuration of the scale that can only be applicable to is not suitable for the WiMAX access of complicated (as multipoint wireless relaying or wireless Route Selection) of network configuration.
2, single-point is to multiple spot type bridge network, and promptly the Star network bridge network can fuse the network of a plurality of out-building things, and structure is comparatively complicated comparatively speaking.But need to use comprehensive antenna, its bridge joint is determined by its antenna direction and position fully, perhaps needs the manual setting of master/slave bridge of carrying out, and constitutes network by the bridge joint of setting up from bridge with the major network bridge.
3, tree network bridge network, bridge need be configured appointment in this network, makes up as main (Master) with from (Slave) bridge simultaneously to form, and each node all is to be made of a bridge equipment.Because the function singleness of wireless bridge, bridge internal data disposal ability is limited, and therefore, the bridge equipment that has principal and subordinate's bridge concurrently not only implementation complexity is had relatively high expectations, and the finiteness of data-handling capacity has been limited to the transmission bandwidth of this type of bridge network.
As seen, existing radio net bridge network or need human configuration to make up, can not dispose automatically, and be difficult in time tackle the variation of bridge network, for example reply needs the appearance of the new bridge of adding radio net bridge network, with the disappearance that is connected that has bridge or existence in the reply radio net bridge network; Perhaps the radio net bridge network node is confined to single bridge, and this network is had relatively high expectations to the bridge software and hardware, otherwise its data-handling capacity can be restricted; Perhaps the control point is limited as single bridge, such as Star Network, to having relatively high expectations of control point bridge, has limited to the transmission bandwidth of whole bridge network.
In sum, do not realize also in the prior art that its node has the self configuration radio net bridge network of a plurality of bridges, realize self configuration radio net bridge network self-configuring network-building method and realize the technical scheme that self-configuring bridge network recovers automatically.
Summary of the invention
First purpose of the present invention provides a kind of self configuration radio net bridge network, and the node of this network comprises the bridge group who is made of through wired continuous bridge a plurality of, and this network can carry out dynamic expansion by the self-configuring networking.
Second purpose of the present invention provides a kind of implementation method of radio net bridge network self-configuring networking, and this method can be chosen and the translating bridge role automatically, carries out the mutual coordination between the different bridges, and realizing automatically increases new node or redeploy existing node.
The 3rd purpose of the present invention provides the method that a kind of self configuration radio net bridge network recovers automatically, and some connect when disconnecting this method at radio net bridge network, carry out automatic recovery operation, or seek adaptive new connection again, guarantee the performance of radio net bridge network.
For realizing above-mentioned first purpose, the invention provides a kind of self configuration radio net bridge network, by a root node with the child node layer is tree-shaped connects and composes; Described root node is interconnected to constitute from bridge by center monitoring module and a plurality of root node, and described center monitoring module is communicated by letter by wired mode from bridge with described root node, and root node is from communicating by wired mode between the bridge; Described child node layer is made of child node; Described child node is interconnected to constitute from bridge by a child node major network bridge and a plurality of child node, and described child node major network bridge is communicated by letter by wired mode from bridge with child node, and described child node is from communicating by letter by wired mode between the bridge; The child node major network bridge of described child node and described root node are from the wireless bridge joint of bridge; Described root node is up to a wireless bridge joint from bridge, child node major network bridge or child node from bridge.
Described child node layer is made of the child node of multilayer setting, the tree-shaped connection of adjacent two layers child node arbitrarily; The child node of the child node major network bridge of lower floor's child node and upper strata child node is from the wireless bridge joint of bridge in described any adjacent two layers child node; The child node major network bridge of the superiors' child node and described root node are from the wireless bridge joint of bridge in the described child node layer.
For realizing above-mentioned second purpose, the invention provides a kind of implementation method of self configuration radio net bridge network, may further comprise the steps:
In step 101, described self configuration radio net bridge network root node or the child node outside bridge and the described self configuration radio net bridge network one be in major network bridge state, and do not set up wireless bridge joint as yet with the bridge of the wireless bridge joint of any bridge;
Bridge outside step 102, the described self configuration radio net bridge network is configured as the major network bridge of described self configuration radio net bridge network automatically, described major network bridge regularly transmits into Netcom to other bridges with described major network bridge place intranodal and its wired connection to be known, and regularly sends the status report of described major network bridge to the center monitoring module of described root node; Described networking notice comprises that wireless bridge connects signal strength signal intensity, bridge identifier and MAC Address parameter;
For realizing above-mentioned the 3rd purpose, the invention provides a kind of method of automatic recovery radio net bridge network, may further comprise the steps:
Step 201, set up wireless bridge joint when bridge finds to lose wireless bridge joint, repeat to send the bridge joint request that recovers;
If described the receiving from bridge of step 202 replied, then carry out and recover bridge operation; Before arriving Preset Time, recover successfully, describedly then keep original bridge joint from bridge;
If arriving Preset Time, step 203 do not recover success, described from the bridge search, and carry out the operation of setting up new wireless bridge joint.
Therefore, the present invention has the following advantages:
1, automatic network-building, and after constituting radio net bridge network, still can adjust the formation of network automatically according to the variation of environment;
2, the self-configuration method of radio net bridge network can be realized choosing automatically of bridge in networking, and realizes the coordination of each node role in the radio net bridge network;
3, the automatic recovery of network can not influence the performance of whole network because of disconnecting in short-term of some connection in the network.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the system construction drawing of self configuration radio net bridge network embodiment 1 of the present invention;
Fig. 2 is the schematic diagram of self configuration radio net bridge network embodiment 2 of the present invention;
Fig. 3 is the flow chart of self configuration radio net bridge network method of the present invention;
Fig. 4 is the flow chart of the embodiment 1 of self configuration radio net bridge network method of the present invention;
Fig. 5 recovers the flow chart of the method for radio net bridge network automatically for the present invention;
Fig. 6 recovers embodiment 1 flow chart of the method for radio net bridge network automatically for the present invention.
Embodiment
Referring to Fig. 1, be the system construction drawing of the embodiment 1 of self configuration radio net bridge network, be example with 3 layers of bridge network in the present embodiment, comprise root node 1 and child node 21,22,23,24,25 and 26, constitute tree; Wherein, root node 1 is 0 node layer, and child node 21 and 22 is 1 node layer, and child node 23,24,25 and 26 is 2 node layers, and 1 node layer and 2 node layers constitute the child node layer.
Constitute self configuration radio net bridge network, comprise one deck child node 21 and 22 at least, promptly the child node layer is made of 1 node layer.
Root node 1 comprises the bridge of center monitoring module 11 and a plurality of wired connections, is example with two in the present embodiment, and promptly root node is from bridge 121 and 122.Center monitoring module 11 and bridge 121,122, and communicate connection by wired mode between the bridge 121,122; Above-mentioned is bridge the self configuration radio net bridge network from bridge 121 and 122, bridge 121 and 122 operating state are from the bridge state, refer to that this bridge is in the state that is in the wireless bridge joint of bridge of major network bridge state or searches for the bridge that does not network as yet with other, therefore, will be in from the bridge 121,122 of bridge state and abbreviate as from bridge 121,122.
Child node 21 and 22 is interconnected to constitute by a plurality of bridges respectively, communicate connection by wired mode between each intranodal bridge, and there is a bridge operating state to be in major network bridge state in each node, be called for short child node major network bridge, all the other bridges are in from the bridge state, are called for short child node from bridge.Being in from the bridge of bridge state with two in the present embodiment is example, wherein, child node 21 is made up of from bridge 2102,2103 child node major network bridge 2101 and two child nodes, and child node major network bridge 2101, child node communicate connection between the bridge 2103 by wired mode from bridge 2102 and child node; Child node 22 is made up of from bridge 2202,2203 child node major network bridge 2201 and two child nodes, and child node major network bridge 2201, child node communicate connection between the bridge 2203 by wired mode from bridge 2202 and child node.
The major network bridge of child node and root node are from the wireless bridge joint of bridge; In the present embodiment, the major network bridge 2101 wireless bridge joints from bridge 121 and child node 21 of root node 1, the major network bridge 2201 wireless bridge joints from bridge 122 and child node 22 of root node 1.
Bridge 121,122,2101,2102,2103,2201,2202 or 2203 is up to a wireless bridge joint; Such as, only have a downward wireless bridge joint from bridge 121 in the root node, and do not allow to exist root node from 121 whiles and the situation of child node of bridge from bridge 2101 and 2201 wireless bridge joints; Equally, do not allow to occur the situation of child node from 2101 while of bridge bridge joint root node from bridge 121 and 122 yet; The situation that wireless bridge joint bridge 121 of 2101 while of major network bridge and bridge 2301 more cannot occur.
In the present embodiment, comprise that also child node 23-26 is as 2 node layers, for example, child node 23 is in from the bridge 2302,2303 of bridge state by the bridge 2301 that is in major network bridge state and two to be formed, and bridge 2301 and 2302,2303 communicates by wired mode and is connected; Obviously, node 23-26 with node 21,22 in unanimity aspect the structure function formation, the wireless bridge joint of bridge (such as 2301) of different just child node 23-26 be child node 21 or 22 from bridge 2102,2103,2202 or 2203.
Owing to no longer have lower level node, node 23-26 is also referred to as leaf nodes, and this node 23-26 can also have the downstream site (not shown) of bridge joint wireless with it.
As seen, self configuration radio net bridge network of the present invention be one have multilayer tree structure, root node 1 is as " tree root " node of self configuration radio net bridge network, when child node 23-26 does not have downstream site, be " leaf " node, and when having downstream site, just become non-" tree root " the same with child node 21 and 22 and non-" leaf " node, by that analogy.
The node of each non-" root " and non-" leaf ", for example child node 21 and 22 all has a wireless bridge joint with the last layer node, for example with the wireless bridge joint of root node 1, with the wireless bridge joint of some different next node layers, for example with the wireless bridge joint of child node 23-26; " tree root " node 1 has only next node layer 121 and 122, does not have the last layer node; " leaf " node does not have next node layer, has only the last layer node.
In said structure, each node is made up of the wired continuous bridge of a group, is also referred to as " bridge group "; Connection between two nodes corresponding one by a pair of respectively from the wireless bridge joint that bridge constituted of these two nodes.
Center monitoring module 11 also can comprise DHCP consultative management module (not shown), all bridges in the radio net bridge network under being used to, comprise the bridge that is in major network bridge state or be in bridge distributing IP address from the bridge state, this IP address is positioned at same IP address space.The manually mode of setting also can be taked in bridge IP address, by the IP address is set manually.
Center monitoring module 11 also can comprise wide area network gateway (not shown), is used for the connection of radio net bridge network with external the Internet.
Root node all has bridge identifier from bridge, child node major network bridge and child node from bridge, radio net bridge network, the root node at described bridge place or the information of child node and above-mentioned bridge self of the above-mentioned root node of this bridge identifier unique identification from bridge, child node major network bridge and child node from the bridge place, such as, in the bridge identifier of bridge 2201, self configuration radio net bridge network with child node major network bridge 2201 places, 2201 place child nodes 22, and this bridge 2201 information such as numbering in child node 22.
Referring to Fig. 2, be the schematic diagram of the embodiment 2 of self configuration radio net bridge network of the present invention, radio net bridge network can be applicable to construct train network, the wireless bridge system in train just that Fig. 2 shows.
Typical case ON TRAINS is that every joint compartment has the bridge of two mutual wired connections, is positioned at the two ends, compartment, constitutes a radio net bridge network node.Every row train is equipped with a train server in the compartment, middle part, the center monitoring module is housed, and with bridge wired connection in this compartment, constitutes root node.
The structure of the radio net bridge network on the train is from root node, and to train the place ahead and rear extension, the bridge near the train server in wherein every joint compartment is in major network bridge state, and another bridge is in from the bridge state; Be in from the bridge of bridge state and the adjacent bridge of adjacent compartment and set up wireless bridge joint, this adjacent bridge enters major network bridge state; Bridge group in the most preceding and rearmost end compartment constitutes leaf node.
The method of self configuration radio net bridge network of the present invention, be to switch on respectively when each equipment and bridge equipment that the center monitoring module is housed, after finishing the energising startup, the node that these equipment constitute occurs as the node outside the self configuration radio net bridge network, all bridge acquiescences enter major network bridge state, wait the connection of pending self configuration radio net bridge network;
Center monitoring module in root node timing all bridges in root node after energising starts transmit into Netcom to be known, bridge is receiving that the notice that networks is configured to be in the bridge from the radio net bridge network of bridge state automatically in the root node; Root node must be arranged earlier, could continue to set up self configuration radio net bridge network.
Referring to Fig. 3, the method for self-configuring bridge network specifically may further comprise the steps:
In step 101, described self configuration radio net bridge network root node or the child node outside bridge and the described self configuration radio net bridge network one be in major network bridge state, and do not set up wireless bridge joint as yet with the bridge of the wireless bridge joint of any bridge;
Bridge outside step 102, the described self configuration radio net bridge network is configured as the major network bridge of described self configuration radio net bridge network automatically, described major network bridge regularly transmits into Netcom to other bridges with described major network bridge place intranodal and its wired connection to be known, and regularly sends the status report of described major network bridge to the center monitoring module of described root node; Described networking notice comprises that wireless bridge connects signal strength signal intensity, bridge identifier and MAC Address parameter;
Said process be one from " tree root " node, from the superior node to the downstream site, the process of setting up to the self configuration radio net bridge network progressively of " leaf " node development, also be applicable to the new bridge of appearance after networking is finished and carry out the bridge adjustment, the situation that bridge is adjusted when perhaps causing in the network existing bridge to disappear owing to reasons such as power failures.
In the present embodiment, self configuration radio net bridge network adopts formula self-configuring bridge forward; The state machine of the described self-configuring of formula forward bridge comprises " wait ", " connection ", " connect down ", " on connect " and " reconnecting " several states:
The bridge that is in " wait " state represents that this bridge finished energising and started, and as the bridge that is in major network bridge state beyond the self configuration radio net bridge network, do not set up wireless bridge joint as yet, waiting for wireless bridge joint or other instruction of configuration automatically with other bridge;
The bridge that is in " connection " state represent this bridge be self configuration radio net bridge network from bridge, be in attempt initiatively with other lower level node in be in " wait " state bridge set up in the process of wireless bridge joint;
The bridge that is in " connect down " state represent this bridge be self configuration radio net bridge network from bridge, set up wireless bridge joint with the bridge of certain lower level node, at this moment, the bridge of this lower level node is in " on connect " state;
The bridge that is in " on connect " state represents that this bridge is the major network bridge of self configuration radio net bridge network, with certain upper layer node in the bridge that is in " connecting down " state set up wireless bridge joint;
The bridge that is in " reconnecting " state represents that this bridge is the major network bridge of self configuration radio net bridge network, has just lost with one on upper strata the wireless bridge joint of the bridge foundation that is in " connecting down " state, is waiting for or carrying out the recovery of this wireless bridge joint.
All bridges in the described radio net bridge network are regularly to center monitoring module status report, the state that comprises report this moment is " waits ", " connection ", " on connect ", " descending to connect " or " reconnecting ", the center monitoring module is by these status reports, finish supervision, and determine the transmission of configuration-directs according to these status reports radio net bridge network.
Be in the bridge under the above-mentioned various state, its various state transforming relationships are as follows:
Behind power initiation, enter " wait " state; At this moment, this bridge timed sending has the wireless signal of this bridge sign, shows " wait " state, finds in search for other bridges; At this moment, be divided into two kinds of situations:
(1) if by cable port receive this node " networking " notice, represent that then this node has bridge to insert radio net bridge network, then this bridge leaves " wait " state, enters " connection " state;
(2) if receive wireless bridge joint request that is in the bridge of " connection " state in another node, then carry out bridge operation; As bridge joint success, enter " on connect " state, and send this node " networkings " to all other bridges of this intranodal by wired connection immediately and notify, show that this node has been access in radio net bridge network; Have this bridge state information in the announcement information, comprise wireless bridge identifier and the MAC Address that crossover connects signal strength signal intensity, equipment that go up; As the bridge joint failure, then rest on " wait " state.
Under " connection " state, when this bridge fixed time arrives, just start the wireless signal search process, search the bridge that all are in " wait " state; Then from search the gained bridge, select one by one to have present networks but the bridge identifier of non-node and meet the bridge of certain specified requirements that comprises signal strength signal intensity, and initiatively carry out wireless bridge joint with it,, enter " connecting down " state up to being connected into merit with a selected bridge wireless bridge; (simultaneously, with its mutually the bridge of bridge joint also entered " on connect " state).
Under " connection " state, if in searching the gained bridge, can not select to meet the described bridge that carries out the bridge joint condition, or with the failure of all wireless bridge joint of all selected bridges, then finish this execution, search and wireless bridge joint are restarted in wait next time " connections " state in.
Referring to Fig. 4, the embodiment 1 for the method for self configuration radio net bridge network of the present invention may further comprise the steps:
In step 111, the radio net bridge network one is in the operation that the bridge of " connection " state is regularly searched the bridge that is in " wait " state, and this bridge that is in " connection " state is not set up wireless bridge joint with other nodes; This be in " connection " state bridge can for root node from bridge, perhaps child node from bridge: if this bridge that is in " connection " state be root node from bridge, then this moment is with the center monitoring module wired connection of place intranodal; If this bridge that is in " connection " state be child node from bridge, then this moment is with the bridge wired connection of being in of place intranodal " on connect " state;
" on connect " state set up at the bridge that is in " connection " state with this that wireless bridge joint is laggard and goes into by the bridge of step 114, selected being in " wait " state, become the child node major network bridge of this self configuration radio net bridge network, and regularly transmit into Netcom by wired connection and know that the notice that networks comprises wireless bridge joint signal strength signal intensity, bridge identifier and the MAC Address of this bridge to other bridges of place intranodal;
Every other bridge independently enters " connection " state separately in step 115, described entering " on connect " the state bridge place child node after receiving the notice that networks, the child node that becomes self configuration radio net bridge network is from bridge, regularly send the status report of this bridge, and begin the search and the expansion of new bridge to the center monitoring module.
In the present embodiment, set up in the wireless bridge termination process and can adopt cipher authentication, promptly each self configuration radio net bridge network has a password that is used for wireless bridge joint.This cipher authentication is all adopted in the foundation of all wireless bridge joints, and authentication method can adopt WEP authentication method or IEEE802.11i shared key authentication method or other own methods among the IEEE 802.11.Between all bridges and and the center monitoring module between monitor data use this password encryption without exception, but whether application data can be selected to encrypt.
The bridge that in the present embodiment, is in " connection " state according to set in advance the rule selected for select wireless signal the strongest, have present networks but the bridge of non-node.But alternative condition can also further be strengthened, for example can add minimum requirements to wireless signal strength, or add certain class bridge identifier or MAC Address are preferentially selected, and, add the conditions such as reaction time of bridge to the selection of some password password that sets in advance.Wireless signal search process under " connection " state can further be optimized.One of method is the wireless channel that limits bridge work, thereby the number of restriction channel search shortens search time;
The embodiment 2 of the method for self configuration radio net bridge network of the present invention may further comprise the steps:
Step 121, be in " connect down " bridge of state and regularly carry out the operation of the current wireless bridge joint of temporary transient interruption, the parameter of current wireless bridge joint has been recorded;
Step 122, described being in " connect " bridge of state down and carry out the operation of searching bridge; Obtain new search result, this search result is the bridge of being in outside the described self configuration radio net bridge network " wait " state;
Step 123, with the parameter of the bridge of the search result that obtains and record relatively judges whether to exist new and the more suitable bridge that carries out wireless bridge joint according to setting in advance; In the present embodiment, set in advance the rule that the bridge of the new bridge that searches and former wireless bridge joint is compared and selects for the bridge that is in " connect down " state, this rule is for relatively and select the strongest bridge of wireless signal;
Search the more suitable bridge that carries out wireless bridge joint if step 124 judged result is the bridge of described being in " the following company " state, then interrupt current wireless bridge joint and execution in step 125, otherwise recover the temporary transient current wireless bridge joint that interrupts;
Step 125-127 is identical with step 113-115 among the embodiment 1.
In the step 121 of present embodiment, before the current wireless bridge joint of each interruption, the bridge that is in " descending " state of bridge joint correspondence that this is wireless has all write down the state of all bridges of current wireless bridge joint correspondence;
Present embodiment be particularly useful for the bridge net set up in the process or after building up, the situation that has some new bridges to occur: a kind of possible situation is, these bridges should be structured in the bridge net, but the initial construction of not participating in the bridge net because of certain reason (late as switching on).The bridge state machine has been considered this situation, makes the existing bridge joint of the regularly temporary transient interruption of the bridge that is in " connecting down " state, starts the wireless searching function; As find emerging bridge, and then enter " connection " state, reselect and set up bridge joint; As do not find the emerging bridge that is more suitable for, then recover original bridge joint.Thereby the configuration of radio net bridge network is optimized more.
Interrupt the adverse effect that bridge joint can cause the operation of existing self-configuring bridge network in order to reduce, present embodiment also adopts following optimized Measures:
The situation (as signal strength signal intensity and transmission rate etc.) according to current bridge joint of following determines described each startup to find the timing of new bridge; Situation as current bridge joint is fine, thinks that then the possibility of finding better new bridge is less, at this moment can adopt long timing, to reduce the existing unnecessary interruption of bridge joint; When the situation of current bridge joint is relatively poor, adopt short timing, shortening the required time of new bridge that is fit to found, and increase the chance of finding the new bridge that is more suitable for;
Limit the wireless channel of bridge work, thereby the number of restriction channel search shortens search time;
Change the bridge state machine, after searching new bridge operation end, recover existing bridge joint earlier, and then start the computing whether inspection is more suitable for bridge, thereby reduce the temporary transient time of interrupting existing bridge joint.After the operation result proof has been found the bridge of new more suitable wireless bridge joint, interrupt existing bridge joint once more and change " connection " state over to.
The embodiment 3 of the method for self configuration radio net bridge network of the present invention may further comprise the steps:
Step 131, the bridge that is in " connect down " state are received the center monitoring module and are interrupted wireless bridge joint instruction;
Step 132, this bridge disconnect the current wireless bridge joint, and this bridge enters " connection " state, and the bridge of this wireless bridge joint becomes the new bridge outside the self configuration radio net bridge network;
Step 133, enter " connection " state after, this bridge is carried out and is searched, search be in outside the self configuration radio net bridge network major network bridge state and as yet not with the bridge of the wireless bridge joint of any bridge;
Step 134-136 is identical with step 113-115 among the embodiment 1.
In the present embodiment, when set up with the wireless bridge joint of other bridge in setting-up time, do not receive the survival instruction of center monitoring module from bridge the time, carry out opening operation equally; This makes interior other bridges of lower level node of the wireless bridge joint of above-mentioned interruption enter " wait " state automatically.
The bridge that " connects " state when being in of a certain wireless bridge joint correspondence does not down have the wireless bridge joint of active break, but when finding that wireless bridge joint loses, then initiate to recover wireless bridge joint request to the bridge of being in of correspondence " on connect " state, repeat the operation that recovers wireless bridge joint then, be connected into merit if before predetermined " reconnecting " time arrives, recover wireless bridge, then keep existing " connecting down " state, if when predetermined " reconnecting " time arrives, recover the also not success of wireless bridge joint, then enter " connection " state;
When the bridge of being in of a certain wireless bridge joint correspondence " on connect " state finds that wireless bridge joint loses, then enter " reconnecting " state, the wireless bridge joint request of elder generation's Wait-to-Restore, after receiving the wireless bridge joint request of recovery, carry out and recover wireless bridge operation, arrive when predetermined " reconnecting " time but recover the success of wireless bridge joint, then enter " wait " state, thereby become the new bridge outside the self configuration radio net bridge network;
Described being in " reconnects " each other bridge of the bridge intranodal of living in of state, if be not in " wait " state as yet, then can not in time receive the survival information of center monitoring, thereby interrupt its wireless bridge joint, enter " wait " state owing to the interruption of wireless bridge.So should be longer than predetermined " reconnecting " time blanking time of setting of mailing to the survival instruction of each bridge from the center monitoring module, interrupt and reconnect the interruption that can not cause other lower floor's bridge joint with the short time that guarantees bridge joint.
In embodiment 1 or 2 or 3, the bridge of a certain being in " on connect " state transmits into net and is notified to other bridge of its intranodal, but receive when having a bridge to be in " on connect " state in the bridge of the notice that networks, illustrate that there is the bridge of plural being in " on connect " state in this node, this bridge of receiving the notice that networks is then carried out following steps:
Parameter information during inside relevant parameter information of step 141, this bridge of comparison and the networking of receiving are notified; Information in the notice that networks comprises the parameters such as wireless bridge joint signal strength signal intensity, bridge identifier and MAC Address of the bridge that sends the notice that networks;
Step 142, basis set in advance with comparative result selects this bridge of decision whether to interrupt this wireless bridge joint;
If wireless bridge joint is interrupted in step 143 decision, receive the bridge disconnection of wireless bridge joint of the notice that networks, afterwards, be configured to from the bridge state and enter " connection " state; Otherwise this bridge will transmit into Netcom at intranodal at set intervals in the future to be known, makes the bridge of other being in this node " on connect " state receive the notice that networks, and execution in step 141 again.
Referring to Fig. 5, the flow chart for the present invention recovers the method for radio net bridge network automatically may further comprise the steps:
Step 201, set up wireless bridge joint when bridge finds to lose wireless bridge joint, repeat to send the bridge joint request that recovers;
If described the receiving from bridge of step 202 replied, then carry out and recover bridge operation; Before arriving Preset Time, recover successfully, describedly then keep original bridge joint from bridge;
If arriving Preset Time, step 203 do not recover success, described from the bridge search, and carry out the operation of setting up new wireless bridge joint.
Referring to Fig. 6, recover the embodiment 1 of the method for radio net bridge network automatically for the present invention, may further comprise the steps:
The bridge that is in " connecting down " state of step 211, a certain wireless bridge joint correspondence finds to lose this wireless bridge joint by wireless signal;
When the bridge of being in of step 213, this is wireless bridge joint correspondence " on connect " state finds to lose this wireless bridge joint, change Wait-to-Restore bridge joint solicited status over to, and receive recover the bridge joint request after echo reply;
Whether step 215, judgement recover success after arriving Preset Time, if success, execution in step 116, otherwise, execution in step 217;
In the present embodiment, do not receive always and reply, then do not recover bridge operation if be in the bridge of " connect down " state after the step 213, arrive Preset Time after, execution in step 217.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement the specific embodiment of the present invention; And not breaking away from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (14)
1, a kind of self configuration radio net bridge network is characterized in that by a root node and the child node layer is tree-shaped connects and composes;
Described root node is interconnected to constitute from bridge by center monitoring module and a plurality of root node, and described center monitoring module is communicated by letter by wired mode from bridge with described root node, and root node is from communicating by wired mode between the bridge;
Described child node layer is made of child node; Described child node is interconnected to constitute from bridge by a child node major network bridge and a plurality of child node, and described child node major network bridge is communicated by letter by wired mode from bridge with child node, and described child node is from communicating by letter by wired mode between the bridge;
The child node major network bridge of described child node and described root node are from the wireless bridge joint of bridge;
Described root node is up to a wireless bridge joint from bridge, child node major network bridge or child node from bridge.
2, self configuration radio net bridge network according to claim 1 is characterized in that: described child node layer is made of the child node of multilayer setting, the tree-shaped connection of adjacent two layers child node arbitrarily;
The child node of the child node major network bridge of lower floor's child node and upper strata child node is from the wireless bridge joint of bridge in described any adjacent two layers child node;
The child node major network bridge of the superiors' child node and described root node are from the wireless bridge joint of bridge in the described child node layer.
3, self configuration radio net bridge network according to claim 1 is characterized in that described center monitoring module also is provided with the wide area network gateway, is used for the same Internet connection of described radio net bridge network.
4, self configuration radio net bridge network according to claim 1 and 2, it is characterized in that, described root node has bridge identifier from bridge, child node major network bridge or child node from bridge, described bridge identifier is used for radio net bridge network, root node or child node information and described root node the information from bridge, child node major network bridge or child node from bridge of the described root node of unique identification from bridge, child node major network bridge or child node from the bridge place.
5, a kind of implementation method of self configuration radio net bridge network is characterized in that may further comprise the steps:
In step 101, described self configuration radio net bridge network root node or the child node outside bridge and the described self configuration radio net bridge network one be in major network bridge state, and do not set up wireless bridge joint as yet with the bridge of the wireless bridge joint of any bridge;
Bridge outside step 102, the described self configuration radio net bridge network is configured as the major network bridge of described self configuration radio net bridge network automatically, described major network bridge regularly transmits into Netcom to other bridges with described major network bridge place intranodal and its wired connection to be known, and regularly sends the status report of described major network bridge to the center monitoring module of described root node; Described networking notice comprises that wireless bridge connects signal strength signal intensity, bridge identifier and MAC Address parameter;
Step 103, described other bridges of receiving the notice that networks be configured as automatically described self configuration radio net bridge network from bridge, and regularly send described status report from bridge to described center monitoring module.
6, the implementation method of self configuration radio net bridge network according to claim 5, it is characterized in that before the step 101, the self configuration radio net bridge network root node starts, described center monitoring module in described root node with the transmitting into Netcom from bridge and know of described center monitoring module wired connection, to become with the bridge configuration of described center monitoring module wired connection described self configuration radio net bridge network from bridge, and described from bridge regularly to center monitoring module status report.
7, the implementation method of self configuration radio net bridge network according to claim 5 is characterized in that: described step 101 specifically comprises:
Step 10111, do not set up wireless bridge joint as yet regularly carry out seek operations from bridge;
Step 10112, described from bridge search outside the described self configuration radio net bridge network the major network bridge state that is in and as yet not with the bridge of the wireless bridge joint of any bridge;
Step 10113, describedly select one describedly to be in major network bridge state and not set up wireless bridge joint as yet according to being provided with in advance with the bridge of the wireless bridge joint of any bridge from bridge.
8, the implementation method of self configuration radio net bridge network according to claim 5 is characterized in that described step 101 comprises:
Step 10121, set up wireless bridge joint regularly carry out the operation of temporary transient interruption current wireless bridge joint from bridge;
Step 10122, the described operation that automatically performs the search bridge from bridge;
If step 10123 search outside the self configuration radio net bridge network the major network bridge state that is in and as yet not with the bridge of the wireless bridge joint of any bridge, then that described search result is corresponding with the current wireless bridge joint described major network bridge carries out parameter relatively, judges according to setting in advance;
If the described major network bridge of step 10124 inner parameter is better than searching the parameter of bridge, then recover the temporary transient current wireless bridge joint that interrupts, otherwise, execution in step 10125;
The wireless bridge joint of step 10125, the described bridge that is in major network bridge state outside bridge foundation and described self configuration radio net bridge network.
9, the implementation method of self configuration radio net bridge network according to claim 5 is characterized in that described step 101 comprises:
Step 10131, set up the receiving center monitoring module interrupt instruction or in setting-up time, do not receive survival when instruction of center monitoring module of wireless bridge joint, interrupt current wireless bridge joint from bridge;
Step 10132, describedly carry out seek operations automatically from bridge;
Step 10133, described from bridge search be in outside the self configuration radio net bridge network major network bridge state and as yet not with the bridge of the wireless bridge joint of any bridge;
Step 10134, describedly select one describedly to be in major network bridge state and not set up wireless bridge joint as yet according to being provided with in advance with the bridge of the wireless bridge joint of any bridge from bridge.
10,, adopt cipher authentication when it is characterized in that setting up in the described step 101 wireless bridge joint according to the implementation method of claim 5,6,7,8 or 9 described self configuration radio net bridge networks.
11, the implementation method of self configuration radio net bridge network according to claim 5 is characterized in that in the described step 103, and described other bridges of receiving the notice that networks are configured as comprising from bridge of described self configuration radio net bridge network automatically:
Receive when having had the major network bridge of described self configuration radio net bridge network in other bridges notified that network if step 1031 is described, parameter and the inner relevant parameter of described major network bridge that comprises in the described networking notice compared;
Step 1032, the described major network bridge of receiving the notice that networks are according to comparative result and being provided with decision and whether interrupting its wireless bridge joint in advance;
If wireless bridge joint is interrupted in step 1033 decision, the then described major network bridge disconnection of wireless bridge joint of receiving the networking notice, and be configured to from bridge automatically.
12, a kind of automatic recovery method of self configuration radio net bridge network is characterized in that may further comprise the steps:
Step 201, set up wireless bridge joint when bridge finds to lose wireless bridge joint, repeat to send the bridge joint request that recovers;
If described the receiving from bridge of step 202 replied, then carry out and recover bridge operation; Before arriving Preset Time, recover successfully, describedly then keep original bridge joint from bridge;
If arriving Preset Time, step 203 do not recover success, described from the bridge search, and carry out the operation of setting up new wireless bridge joint.
13, the automatic recovery method of self configuration radio net bridge network according to claim 12, it is characterized in that also comprising after the described step 201, the major network bridge of described wireless bridge joint correspondence detects when losing this wireless bridge joint, described major network bridge changes Wait-to-Restore bridge joint solicited status over to, and receive recover the bridge joint request after echo reply.
14, the method for automatic recovery radio net bridge network according to claim 12, it is characterized in that also comprising after the step 203, the major network bridge autogamy of described wireless bridge joint correspondence is changed to an outer bridge that is in major network bridge state of described self configuration radio net bridge network, waits the connection of pending self configuration radio net bridge network.
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| CN 200510108182 CN1946044A (en) | 2005-10-09 | 2005-10-09 | Self configuration radio net bridge network and its realizing and automatically restoring method |
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| CN102651707A (en) * | 2012-04-16 | 2012-08-29 | 深圳市共进电子股份有限公司 | Automatic configuration method of wireless bridge |
| CN101515879B (en) * | 2008-02-18 | 2012-09-05 | 台扬科技股份有限公司 | Method for establishing connection between bridges |
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| CN101515879B (en) * | 2008-02-18 | 2012-09-05 | 台扬科技股份有限公司 | Method for establishing connection between bridges |
| CN102651707A (en) * | 2012-04-16 | 2012-08-29 | 深圳市共进电子股份有限公司 | Automatic configuration method of wireless bridge |
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| CN107071927A (en) * | 2015-12-18 | 2017-08-18 | 汤姆逊许可公司 | The control method of Radio Link, wireless bridge in LAN including wireless bridge |
| CN107071927B (en) * | 2015-12-18 | 2022-02-01 | 交互数字麦迪逊专利控股公司 | Method for controlling wireless link in local area network comprising wireless bridge, and wireless bridge |
| CN108282852A (en) * | 2018-02-06 | 2018-07-13 | 广东欧珀移动通信有限公司 | WiFi bridging managements method, apparatus, mobile terminal and computer readable storage medium |
| CN108282852B (en) * | 2018-02-06 | 2021-04-27 | Oppo广东移动通信有限公司 | WiFi bridging management method and device, mobile terminal and computer readable storage medium |
| CN111739275A (en) * | 2020-06-22 | 2020-10-02 | 杭州万高科技股份有限公司 | Control method, control device, control equipment and storage medium for dual-mode communication |
| CN113543428A (en) * | 2021-07-09 | 2021-10-22 | 深圳市晟大光电有限公司 | Automatic networking method of intelligent lighting system |
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