CN103259566A - Method, central coordinator, station and system for power line communication network networking - Google Patents
Method, central coordinator, station and system for power line communication network networking Download PDFInfo
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Abstract
The invention discloses a method, central coordinator, station and system for power line communication network networking and belongs to the technical field of a communication technology. The method includes the steps that a central beacon of a neighbor network within a preset period of time is intercepted; if the central beacon of the neighbor network is intercepted successfully within the preset period of time, a common area of a communication network and the neighbor network is confirmed according to the central beacon of the neighbor network; in the common area, a multi-network coordination indication message in prior to the networking is broadcast so that the station (STA) receiving the multi-network coordination indication message in prior to the networking can stop clustering behaviors; after network coordination is finished, the central beacon is sent so that the STA receiving the central beacon can carry out the networking according to the central beacon. Due to the fact that before the central coordinator sends the central beacon for the networking, the multi-network coordination indication message in prior to the networking is broadcast, and the station receiving the message stops the clustering behaviors so that the phenomenon that neighbor network coordination is carried out on the central coordinator by the station to cause interference can be avoided. The efficiency of the power line communication network networking is improved.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of method of power line communication network networking, concentrator, website and system.
Background technology
Based on BPL(Broadband over Power Line, broadband power line communication) the user power utilization acquisition system of technology is gathered main website, concentrator, collector and trunk module etc. by power information and is formed, wherein, concentrator communicates by the broadband power line communication technology respectively and between the electric energy meter of collector, trunk module and some dispersions.
In the user power utilization acquisition system networking plan based on the broadband power line communication technology, owing to may comprise a plurality of concentrators, and can there be the phase mutual interference between a plurality of concentrators, therefore the concentrator after powering on is at first carried out neighbor networks and is detected and many network coordinations, to avoid the phase mutual interference between a plurality of concentrators.After carrying out neighbor networks detection and many network coordinations, concentrator sends central beacon to each website in the jumping scope, arbitrary website in the one jumping scope receive add behind the central beacon that concentrator sends the concentrator place bunch in, do not listen to the website of the central beacon that concentrator sends, the situation of bunch beacon that sends according to other websites that receive is carried out networking.
In realizing process of the present invention, the inventor finds that there is following shortcoming at least in prior art:
Because concentrator and each website power-on time are possible different, when website powers on and do not know whether other website and concentrator have begun networking.After if certain website powers on, certain concentrator begins to power in this website cluster process, and carry out neighbor networks and detect and many network coordinations, at this moment, just may detect the neighbor networks of concentrator and many network coordinations cause interference in the cluster process of this website of cluster, make concentrator can not normally finish neighbor networks and coordinate, cause normally networking, reduce power line communication network networking efficient.
Summary of the invention
In order to solve prior art problems, the embodiment of the invention provides a kind of method, concentrator, website and system of power line communication network networking.Described technical scheme is as follows:
First aspect provides a kind of method of power line communication network networking, and described method comprises:
In the Preset Time section, intercept the central beacon of neighbor networks;
If in described Preset Time section, listen to the central beacon of described neighbor networks, then determine common area with described neighbor networks according to the central beacon of described neighbor networks;
Many network coordination indication messages before described common area broadcast networking make the site STA that receives the preceding many network coordinations indication messages of described networking stop a bunch behavior;
After finishing the network coordination, send central beacon, make the STA that receives described central beacon carry out networking according to described central beacon.
In conjunction with first aspect, in first kind of first aspect possible implementation, the central beacon of described neighbor networks comprise described neighbor networks short network identity SNID, medium access control MAC information and beacon period partition information;
Described central beacon according to described neighbor networks is determined and the common area of described neighbor networks, comprising:
According to described beacon period partition information determine common area with described neighbor networks.
In conjunction with first aspect, in second kind of first aspect possible implementation, the described transmission after finishing the network coordination after the central beacon also comprises:
Receive the related request message that STA sends, described STA is added this bunch.
In conjunction with second kind of first aspect possible implementation, in the third possible implementation of first aspect, after the related request message that described reception STA sends, also comprise:
If described STA belongs to other bunch, and gathering of former bunch of head comprised described STA in the related message, then carried out described STA is added after the step of this bunch, from topology information with described STA from former bunch of deletion.
In conjunction with first aspect, in the 4th kind of possible implementation of first aspect, after the described central beacon of in the Preset Time section, intercepting neighbor networks, also comprise:
If in described Preset Time section, do not listen to the central beacon of described neighbor networks, then send central beacon, make the STA that receives described central beacon carry out networking according to described central beacon.
Second aspect provides a kind of concentrator, and described concentrator comprises:
Intercept module, be used in the Preset Time section, intercepting the central beacon of neighbor networks;
Determination module is used for when listen to the central beacon of described neighbor networks in described Preset Time section the time, determines and the common area of described neighbor networks according to the central beacon of described neighbor networks;
Broadcast module is used for many network coordination indication messages before described common area broadcast networking, makes the site STA that receives the preceding many network coordinations indication messages of described networking stop a bunch behavior;
Sending module is used for sending central beacon after finishing the network coordination, makes the STA of the described central beacon that receives carry out networking according to described central beacon.
In conjunction with second aspect, in first kind of second aspect possible implementation, described central beacon of intercepting the neighbor networks that module listens to comprise described neighbor networks short network identity SNID, medium access control MAC information and beacon period partition information;
Described determination module, be used for according to described beacon period partition information determine common area with described neighbor networks.
In conjunction with second aspect, in second kind of second aspect possible implementation, described concentrator also comprises:
Receiver module is used for receiving the related request message that STA sends;
Add module, be used for described STA is added this bunch.
In conjunction with second kind of second aspect possible implementation, in the third possible implementation of second aspect, described adding module, also be used for belonging to other bunch as described STA, and when having comprised the gathering of former bunch of head described STA in the related message, execution adds described STA after the step of this bunch, from topology information with described STA from former bunch of deletion.
In conjunction with second aspect, in the 4th kind of possible implementation of second aspect, described sending module, also be used for when in described Preset Time section, not listening to the central beacon of described neighbor networks, send central beacon, make the STA that receives described central beacon carry out networking according to described central beacon.
The third aspect provides a kind of method of power line communication network networking, and described method comprises:
In the Preset Time section, intercept many network coordinations indication messages before the networking of concentrator CCO broadcasting;
If many network coordination indication messages then stop a bunch behavior, and behind the central beacon that receives described CCO transmission, carry out networking according to described central beacon listen to described networking in described Preset Time section before;
Wherein, described Preset Time section is intercepted the time of the central beacon of neighbor networks, time and the reception that CCO broadcasts central beacon and the summation of handling the time of described central beacon greater than described CCO.
In conjunction with the third aspect, in first kind of the third aspect possible implementation, describedly stop a bunch behavior, comprising:
If cluster finishes and be bunch head, then stop to send bunch beacon, and broadcasting bunch dismission indication message; Perhaps,
If cluster finishes and be bunch member, then stop to send the discovery beacon; Perhaps,
If cluster does not then stop to add other bunch or sets up new bunch.
In conjunction with the third aspect, in second kind of the third aspect possible implementation, describedly carry out networking according to described central beacon, comprising:
Send related request message to described CCO, with add with described CCO be bunch head bunch.
In conjunction with the third aspect, in the third possible implementation of the third aspect, described stopping also to comprise after bunch behavior:
If do not receive the central beacon that described CCO sends, then carry out networking operation according to the situation of the beacon that listens to.
Fourth aspect provides a kind of website, and described website comprises:
Intercept module, for many network coordinations indication messages before the networking of in the Preset Time section, intercepting concentrator CCO broadcasting;
Stopping modular when being used for that message is indicated in many network coordinations when listen to described networking in described Preset Time section before, stops a bunch behavior;
The networking module is used for carrying out networking according to described central beacon behind the central beacon that receives described CCO transmission;
Wherein, described Preset Time section is intercepted the time of the central beacon of neighbor networks, time and the reception that CCO broadcasts central beacon and the summation of handling the time of described central beacon greater than described CCO.
In conjunction with fourth aspect, in first kind of fourth aspect possible implementation, described stopping modular, be used for when cluster finish and for bunch the time, stop to send bunch beacon, and broadcasting bunch is dismissed and to be indicated a message; Perhaps, when cluster finishes and during for bunch member, stop to send and find beacon; Perhaps, when cluster not, stop to add other bunch or set up new bunch.
In conjunction with fourth aspect, in second kind of fourth aspect possible implementation, described networking module is used for sending related request message to described CCO, with add with described CCO be bunch head bunch.
In conjunction with fourth aspect, in the third possible implementation of fourth aspect, described website also comprises:
Add module, be used for when not receiving the central beacon of described CCO transmission, carrying out networking operation according to the situation of the beacon that listens to.
The 5th aspect provides a kind of system of power line communication network networking, and described system comprises: concentrator and website;
Wherein, described concentrator such as the described concentrator of above-mentioned second aspect;
Described website such as the described website of above-mentioned fourth aspect.
The beneficial effect that the technical scheme that the embodiment of the invention provides is brought is:
Sending before central beacon carries out networking by concentrator, many network coordination indication messages before the broadcast networking, make the website that receives this message stop a bunch behavior, coordinate to cause interference to avoid website that concentrator is carried out neighbor networks, improve power line communication network networking efficient.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow diagram of a kind of power line communication network networking of providing of the embodiment of the invention one;
Fig. 2 is the method flow diagram of the another kind of power line communication network networking that provides of the embodiment of the invention one;
Fig. 3 is the method flow diagram of a kind of power line communication network networking of providing of the embodiment of the invention two;
Fig. 4 is the apparatus structure schematic diagram of a kind of concentrator of providing of the embodiment of the invention three;
Fig. 5 is the apparatus structure schematic diagram of the another kind of concentrator that provides of the embodiment of the invention three;
Fig. 6 is the apparatus structure schematic diagram of a kind of website of providing of the embodiment of the invention four;
Fig. 7 is the apparatus structure schematic diagram of the another kind of website that provides of the embodiment of the invention four;
Fig. 8 is the system configuration schematic diagram of a kind of power line communication network networking of providing of the embodiment of the invention seven.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Embodiment one
Present embodiment provides a kind of method of power line communication network networking, and referring to Fig. 1, the method flow that present embodiment provides is specific as follows:
101: the central beacon of in the Preset Time section, intercepting neighbor networks;
102: if in the Preset Time section, listen to the central beacon of neighbor networks, then determine common area with neighbor networks according to the central beacon of neighbor networks;
103: many network coordinations indication messages before the common area broadcast networking make the STA(Station that receives many network coordinations indication messages before the networking, website) stop a bunch behavior;
104: after finishing the network coordination, send central beacon, make the STA that receives central beacon carry out networking according to central beacon.
Present embodiment provides the method for another kind of power line communication network networking, and referring to Fig. 2, the method flow that present embodiment provides is specific as follows:
201: in the Preset Time section, intercept CCO(Central Coordinator, central coordinator, i.e. concentrator) many network coordination indication messages before Guang Bo the networking;
202: if many network coordination indication messages listen to networking in the Preset Time section before then stop a bunch behavior, and behind the central beacon that receives the CCO transmission, carry out networking according to central beacon;
Wherein, the Preset Time section is intercepted the time of the central beacon of neighbor networks, time and the reception that CCO broadcasts central beacon and the summation of handling the time of central beacon greater than CCO.
The method that present embodiment provides, sending before central beacon carries out networking by concentrator, many network coordination indication messages before the broadcast networking, make the website that receives this message stop a bunch behavior, coordinate to cause interference to avoid website that concentrator is carried out neighbor networks, improve power line communication network networking efficient.
In order more clearly to set forth the method for a kind of power line communication network networking that above-described embodiment provides, content in conjunction with above-described embodiment, be example with following embodiment two, a kind of method of power line communication network networking be elaborated, see following embodiment two for details:
Embodiment two
Present embodiment provides a kind of method of power line communication network networking, and referring to Fig. 3, the method flow that present embodiment provides is specific as follows:
301:CCO intercepts the central beacon of neighbor networks in the Preset Time section, if in the Preset Time section, listen to the central beacon of neighbor networks, then execution in step 302, if do not listen to the central beacon of neighbor networks in the Preset Time section, then execution in step 304;
At this step, owing to may comprise a plurality of CCO in the power line communication network, when at least two CCO work simultaneously, may there be the phase mutual interference between at least two CCO.For fear of the phase mutual interference between at least two CCO, after powering on, CCO need intercept the central beacon of neighbor networks in the Preset Time section.If in the Preset Time section, listen to the central beacon of neighbor networks, then explanation is except this CCO, the CCO and the network thereof that also have neighbor networks, this moment, this CCO need carry out the network coordination of step 302 and step 303 at the common area of this CCO and neighbor networks, interfered with each other to cause between the CCO that avoids this CCO and neighbor networks; If do not listen to the central beacon of neighbor networks in the Preset Time section, then there is not the CCO of phase mutual interference in explanation, and this CCO directly sent central beacon and began networking this moment.
Present embodiment does not limit the concrete timing device of the central beacon of intercepting neighbor networks, includes but not limited to, the beacon among the CCO is monitored timer.Present embodiment does not limit concrete set-up mode and the numerical value of the Preset Time section of the central beacon of intercepting neighbor networks yet.For example, is set the time that the beacon among the CCO is monitored timer, makes CCO in the time period of this beacon monitoring timer setting, intercept the central beacon of neighbor networks.
In addition, present embodiment also misaligns the particular content of entreating beacon to comprise and limits, the central beacon that CCO sends comprises the SNID(Short Network Identity of neighbor networks at least, short network identity), MAC(Media Access Control, medium access control) partition information of information and beacon period, in addition, can also comprise other network resource scheduling information.
302:CCO determines common area with neighbor networks according to the central beacon of neighbor networks;
At this step, present embodiment is not determined to limit with the concrete mode of the common area of neighbor networks according to the central beacon of neighbor networks to CCO.For example, owing to comprise the partition information of beacon period at least in the central beacon of neighbor networks, therefore, CCO determines common area original position with neighbor networks according to the beacon period partition information in the central beacon of neighbor networks.
303:CCO is many network coordination indication messages before the common area broadcast networking;
At this step, CCO many network coordinations indication messages before the networking of common area broadcasting be used for informing receive networking before this CCO of STA of many network coordinations indication messages carrying out many network coordinations, and make STA stop ongoing networking behavior, coordinate to cause interference to avoid the CCO of STA to carry out neighbor networks.
304:CCO sends central beacon;
At this step, the central beacon that CCO sends is used for making the STA that receives this central authorities' beacon carry out networking according to this central authorities' beacon.
In addition, CCO does not listen in the Preset Time section and just sends central beacon after the central beacon of neighbor networks or CCO finish the network coordination, in addition, can also send central beacon under other condition, present embodiment does not limit the actual conditions that sends central beacon.
In addition, present embodiment does not yet send the concrete mode of central beacon and sends concrete scope CCO and limits, and for example, CCO periodically sends central beacon to the whole network scope.
305:STA intercepts many network coordinations indication messages before the networking of CCO broadcasting in the Preset Time section, if many network coordinations indication messages listen to networking in the Preset Time section before, then execution in step 306, otherwise, execution in step 307;
At this step, the Preset Time section that STA intercepts many network coordinations indication messages before the networking of CCO broadcasting greater than CCO intercept the time of the central beacon of neighbor networks, time and this STA that CCO broadcasts central beacon receives and handles the summation of the time of central beacon, present embodiment does not limit the concrete numerical value that STA intercepts the Preset Time section of many network coordinations indication messages before the networking of CCO broadcasting.
What deserves to be explained is that present embodiment does not limit the concrete timing device that STA intercepts, include but not limited to the timer among the STA.Present embodiment does not limit the concrete set-up mode of the Preset Time section intercepted yet.For example, is set the time of the timer among the STA, STA was intercepted in the time period of this timer setting.
306:STA stops a bunch behavior, and behind the central beacon that receives the CCO transmission, carries out networking according to central beacon, and execution in step 308 afterwards;
During concrete enforcement, present embodiment does not stop a bunch behavior to STA and specifically limits, include but not limited to: if STA before listening to networking during many network coordinations indication message cluster finish and be bunch head, then stop to send bunch beacon, and an indication message bunch is dismissed in broadcasting; If STA before listening to networking during many network coordinations indication message cluster finish and be bunch member, then stop to send and find beacon; If STA cluster not during many network coordinations indication message before listening to networking then stops to add other bunch or sets up new bunch.After execution in step 306, execution in step 308.
In addition, indicate after the messages because CCO sends before the networking many network coordinations in the Preset Time section, can send central beacon, carry out networking so that receive the STA of this central authorities' beacon according to this central authorities' beacon.Therefore, behind many network coordination indication messages, can in the Preset Time section, intercept the central beacon that CCO sends, and carry out networking operation according to the result who listens to STA listens to networking in the Preset Time section before.
Wherein, the Preset Time section that STA intercepts the central beacon that CCO sends and STA intercept before the networking of CCO broadcasting many network coordinations and indicate the Preset Time section of messages can be identical, also can be different, present embodiment does not limit the Preset Time section that STA intercepts the central beacon that CCO sends, and many network coordinations indicated the relation of the Preset Time section of messages to limit before also the Preset Time section of STA not being intercepted the central beacon that CCO sends and STA intercepted the networking of CCO broadcasting.
Can be divided into following four kinds of situations at the intercepted result of in the Preset Time section, intercepting the central beacon that CCO sends and according to the concrete mode that intercepted result is carried out networking operation:
First kind of situation: intercepted result is that STA listens to the central beacon that CCO sends; At this kind intercepted result, when STA carried out networking operation according to intercepted result, STA received the central beacon that CCO sends, and sent related request message to this CCO, with add this CCO for bunch head bunch, finish networking.
Second kind of situation: intercepted result is that STA does not listen to the central beacon that CCO sends, but listens to bunch beacon that bunch hair send; At this kind intercepted result, when STA carried out networking operation according to intercepted result, STA received bunch beacon, added this bunch according to bunch beacon, finished networking.If STA receives a plurality of bunches of beacons, then STA selects a bunch of beacon in bunch beacon that receives, and adds this bunch according to bunch beacon of selecting, and finishes networking.Present embodiment does not limit the particular content of bunch beacon, and for example, a bunch beacon comprises resource scheduling information.Select the concrete standard of a bunch of beacon to limit when present embodiment does not receive a plurality of bunches of beacons to STA, include but not limited to select a bunch of beacon according to the resource scheduling information in bunch beacon.
The third situation: intercepted result is that STA does not listen to the central beacon that CCO sends, and does not also listen to bunch beacon that bunch hair send.At this kind intercepted result, when STA carried out networking operation according to intercepted result, STA became bunch head and sends bunch beacon so that receive other STA of this bunch beacon add with this STA for bunch head bunch, finish networking.
307:STA carries out networking operation according to the situation of the beacon that listens to;
At this step, the mode of the beacon that STA listens to and execution networking operation comprises following three kinds of situations:
First kind of situation: STA listens to the central beacon that CCO sends; At this kind situation, when STA carried out networking operation according to the beacon that listens to, STA received the central beacon that CCO sends, and sent related request message to this CCO, with add this CCO for bunch head bunch, finish networking.
Second kind of situation: STA do not listen to the central beacon that CCO sends, but listens to bunch beacon that bunch hair send; At this kind situation, when STA carried out networking operation according to the beacon that listens to, STA received bunch beacon, added this bunch according to bunch beacon, finished networking.If STA receives a plurality of bunches of beacons, then STA selects a bunch of beacon in bunch beacon that receives, and adds this bunch according to bunch beacon of selecting, and finishes networking.
The third situation: STA does not listen to the central beacon that CCO sends, and does not listen to bunch beacon that bunch hair send yet.At this kind situation, when STA carried out networking operation according to the beacon that listens to, STA intercepted many network coordinations indication messages before the networking of CCO broadcasting again in the Preset Time section, be divided into following four kinds of situations under this kind situation again:
If 1 many network coordinations indication messages listen to networking in the Preset Time section before then return execution in step 306.
If 2 listen to the central beacon that CCO sends in the Preset Time section, then receive the central beacon that CCO sends, and send related request message to this CCO, with add this CCO for bunch head bunch, finish networking.
If 3 listen to bunch beacon that bunch hair send in the Preset Time section, then add this bunch according to bunch beacon, finish networking; Wherein, if STA receives a plurality of bunches of beacons, then STA selects a bunch of beacon in bunch beacon that receives, and adds this bunch according to bunch beacon of selecting, and finishes networking.
If 4 do not listen to any beacon in the Preset Time section, this STA becomes bunch head and sends bunch beacon so that receive other STA of this bunch beacon add with this STA for bunch head bunch, finish networking.
In addition, present embodiment does not determine that to the concrete of Preset Time section of many network coordination indication messages before the networking of intercepting CCO broadcasting again mode limits.For example, STA selects a time period at random in the longest time of intercept that arranges, and intercepts many network coordinations indication messages before the networking of CCO broadcasting in this time period again.The Preset Time section that STA intercepts many network coordinations indication messages before the networking of CCO broadcasting again and STA intercept before the Preset Time section of the central beacon that CCO sends and the networking that STA intercepts CCO broadcasting many network coordinations again and indicate the Preset Time section of messages can be identical, also can be different, many network coordinations indicated the relation of the Preset Time section of messages to limit before the Preset Time section that present embodiment is not intercepted many network coordinations indication messages before the networking of CCO broadcasting again to STA and STA intercepted the Preset Time section of the central beacon that CCO sends and networking that STA intercepts CCO broadcasting again.
308:CCO receives the related request message that STA sends, and STA is added this bunch.
At this step, CCO determine whether this STA belongs to other bunch, and gathering of former bunch of head has comprised this STA in the related message after receiving the related request message of STA transmission.If this STA belongs to other bunch, and gathering of former bunch of head comprised this STA in the related message, then according to the related request message that receives STA added this bunch, and from topology information with STA from former bunch of deletion; Otherwise CCO directly adds this bunch according to the related request message that receives with STA.
In addition, whether present embodiment does not belong to other bunch to STA, and the determination methods that has comprised this STA in the related message that gathers of former bunch of head limits, bunch head includes but not limited to: owing to can record each STA in this bunch in gathering related message, if will gathering related message, bunch head sends to CCO, then CCO gathers related message and determines whether STA belongs to other bunch according to what bunch hair sent, and gathering of former bunch of head comprised this STA in the related message.
In addition, present embodiment is not to limiting the concrete implementation that STA adds this bunch according to the related request message that receives.
The method that present embodiment provides, sending before central beacon carries out networking by concentrator, many network coordination indication messages before the broadcast networking, make the website that receives this message stop a bunch behavior, coordinate to cause interference to avoid website that concentrator is carried out neighbor networks, improve power line communication network networking efficient.
Embodiment three
Present embodiment provides a kind of concentrator, and this concentrator be used for to be carried out the performed function of method concentrator of the power line communication network networking that above-described embodiment one or embodiment two provide.Referring to Fig. 4, this concentrator comprises:
Sending module 404 is used for sending central beacon after finishing the network coordination, makes the STA of the central beacon that receives carry out networking according to central beacon.
Further, the central beacon of intercepting the neighbor networks that module 401 listens to comprise neighbor networks SNID, MAC information and beacon period partition information;
Referring to Fig. 5, this concentrator also comprises:
Receiver module 405 is used for receiving the related request message that STA sends;
Add module 406, be used for STA is added this bunch.
Further, add module 406, also be used for belonging to other bunch as STA, and the gathering when having comprised STA in the related message of former bunch of head, carry out STA is added after the step of this bunch, from topology information with STA from former bunch of deletion.
Further, sending module 407 also is used for sending central beacon when not listening to the central beacon of neighbor networks in the Preset Time section, makes the STA that receives central beacon carry out networking according to central beacon.
The concentrator that present embodiment provides, sending before central beacon carries out networking by concentrator, many network coordination indication messages before the broadcast networking, make the website that receives this message stop a bunch behavior, coordinate to cause interference to avoid the CCO of STA to carry out neighbor networks, improve power line communication network networking efficient.
Embodiment four
Present embodiment provides a kind of website, and this website be used for to be carried out the performed function of method website of the power line communication network networking that above-described embodiment one or embodiment two provide.Referring to Fig. 6, this website comprises:
Stopping modular 602 when being used for that message is indicated in many network coordinations when listen to networking in the Preset Time section before, stops a bunch behavior;
Wherein, the Preset Time section is intercepted the time of the central beacon of neighbor networks, time and the reception that CCO broadcasts central beacon and the summation of handling the time of central beacon greater than CCO.
Further, stopping modular 602, be used for when cluster finish and for bunch the time, stop to send bunch beacon, and broadcasting bunch is dismissed and to be indicated a message; Perhaps, when cluster finishes and during for bunch member, stop to send and find beacon; Perhaps, when cluster not, stop to add other bunch or set up new bunch.
Further, networking module 603 is used for sending related request message to CCO, with add with CCO be bunch head bunch.
Referring to Fig. 7, this website also comprises:
Add module 604, be used for when not receiving the central beacon of CCO transmission, carrying out networking operation according to the situation of the beacon that listens to.
The website that present embodiment provides, by receiving before the concentrator broadcast networking after many network coordinations indication messages, stop a bunch behavior, and behind the central beacon that receives described CCO transmission, carry out networking according to described central beacon, coordinate to cause interference to avoid the CCO of STA to carry out neighbor networks, improve power line communication network networking efficient.
Embodiment five
Present embodiment provides a kind of concentrator, and this concentrator comprises:
Processor is for the central beacon of intercepting neighbor networks in the Preset Time section; If in the Preset Time section, listen to the central beacon of neighbor networks, then determine common area with neighbor networks according to the central beacon of neighbor networks;
Reflector is used for many network coordination indication messages before the common area broadcast networking, makes the STA that receives the preceding many network coordinations indication messages of networking stop a bunch behavior; After finishing the network coordination, send central beacon, make the STA that receives central beacon carry out networking according to central beacon.
Further, the central beacon of neighbor networks comprise neighbor networks SNID, MAC information and beacon period partition information;
Processor, be used for according to beacon period partition information determine common area with neighbor networks.
Receiver is used for receiving the related request message that STA sends, and STA is added this bunch.
Further, processor is used for belonging to other bunch as STA, and the gathering when having comprised STA in the related message of former bunch of head, carry out STA is added after the step of this bunch, from topology information with STA from former bunch of deletion.
Further, reflector is used for sending central beacon when not listening to the central beacon of neighbor networks in the Preset Time section, makes the STA that receives central beacon carry out networking according to central beacon.
The concentrator that present embodiment provides, sending before central beacon carries out networking by concentrator, many network coordination indication messages before the broadcast networking, make the website that receives this message stop a bunch behavior, coordinate to cause interference to avoid the CCO of STA to carry out neighbor networks, improve power line communication network networking efficient.
Embodiment six
Present embodiment provides a kind of website, and this website comprises:
Processor is for many network coordinations indication messages before the networking of intercepting CCO broadcasting in the Preset Time section; When message is indicated in many network coordinations when listen to networking in the Preset Time section before, stop a bunch behavior, and behind the central beacon that receives the CCO transmission, carry out networking according to central beacon;
Wherein, the Preset Time section is intercepted the time of the central beacon of neighbor networks, time and the reception that CCO broadcasts central beacon and the summation of handling the time of central beacon greater than CCO.
Further, processor, be used for when cluster finish and for bunch the time, stop to send bunch beacon, and broadcasting bunch is dismissed and to be indicated a message; Perhaps, when cluster finishes and during for bunch member, stop to send and find beacon; Perhaps, when cluster not, stop to add other bunch or set up new bunch.
Reflector is used for sending related request message to CCO, with add with CCO be bunch head bunch.
Further, processor is used for carrying out networking operation according to the situation of the beacon that listens to when not receiving the central beacon of CCO transmission.
The website that present embodiment provides, by receiving before the concentrator broadcast networking after many network coordinations indication messages, stop a bunch behavior, and behind the central beacon that receives described CCO transmission, carry out networking according to described central beacon, coordinate to cause interference to avoid website that concentrator is carried out neighbor networks, improve power line communication network networking efficient.
Embodiment seven
Present embodiment provides a kind of system of power line communication network networking, and this system be used for to carry out the method for the power line communication network networking that above-described embodiment one or embodiment two provide.Referring to Fig. 8, this system comprises:
Concentrator 801 and website 802;
Wherein, the concentrator that concentrator 801 as above-mentioned embodiment three provide sees above-described embodiment three for details;
The website that website 802 as above-mentioned embodiment four provide sees above-described embodiment four for details.
In sum, the equipment that present embodiment provides, sending before central beacon carries out networking by concentrator, many network coordination indication messages before the broadcast networking, make the website that receives this message stop a bunch behavior, coordinate to cause interference to avoid website that concentrator is carried out neighbor networks, improve power line communication network networking efficient.
Need to prove: the concentrator that above-described embodiment provides and website are when realizing the power line communication network networking, only the division with above-mentioned each functional module is illustrated, in the practical application, can as required the above-mentioned functions distribution be finished by different functional modules, the internal structure that is about to concentrator and website is divided into different functional modules, to finish all or part of function described above.In addition, the method embodiment of the concentrator that above-described embodiment provides and website and the networking of realization power line communication network belongs to same design, and its specific implementation process sees method embodiment for details, repeats no more here.
The invention described above embodiment sequence number does not represent the quality of embodiment just to description.
The all or part of step that one of ordinary skill in the art will appreciate that realization above-described embodiment can be finished by hardware, also can instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (19)
1. the method for a power line communication network networking is characterized in that, described method comprises:
In the Preset Time section, intercept the central beacon of neighbor networks;
If in described Preset Time section, listen to the central beacon of described neighbor networks, then determine common area with described neighbor networks according to the central beacon of described neighbor networks;
Many network coordination indication messages before described common area broadcast networking make the site STA that receives the preceding many network coordinations indication messages of described networking stop a bunch behavior;
After finishing the network coordination, send central beacon, make the STA that receives described central beacon carry out networking according to described central beacon.
2. method according to claim 1 is characterized in that, the central beacon of described neighbor networks comprise described neighbor networks short network identity SNID, medium access control MAC information and beacon period partition information;
Described central beacon according to described neighbor networks is determined and the common area of described neighbor networks, comprising:
According to described beacon period partition information determine common area with described neighbor networks.
3. method according to claim 1 is characterized in that, the described transmission after finishing the network coordination after the central beacon also comprises:
Receive the related request message that STA sends, described STA is added this bunch.
4. method according to claim 3 is characterized in that, after the related request message that described reception STA sends, also comprises:
If described STA belongs to other bunch, and gathering of former bunch of head comprised described STA in the related message, then carried out described STA is added after the step of this bunch, from topology information with described STA from former bunch of deletion.
5. method according to claim 1 is characterized in that, after the described central beacon of intercepting neighbor networks in the Preset Time section, also comprises:
If in described Preset Time section, do not listen to the central beacon of described neighbor networks, then send central beacon, make the STA that receives described central beacon carry out networking according to described central beacon.
6. a concentrator is characterized in that, described concentrator comprises:
Intercept module, be used in the Preset Time section, intercepting the central beacon of neighbor networks;
Determination module is used for when listen to the central beacon of described neighbor networks in described Preset Time section the time, determines and the common area of described neighbor networks according to the central beacon of described neighbor networks;
Broadcast module is used for many network coordination indication messages before described common area broadcast networking, makes the site STA that receives the preceding many network coordinations indication messages of described networking stop a bunch behavior;
Sending module is used for sending central beacon after finishing the network coordination, makes the STA of the described central beacon that receives carry out networking according to described central beacon.
7. concentrator according to claim 6 is characterized in that, described central beacon of intercepting the neighbor networks that module listens to comprise described neighbor networks short network identity SNID, medium access control MAC information and beacon period partition information;
Described determination module, be used for according to described beacon period partition information determine common area with described neighbor networks.
8. concentrator according to claim 6 is characterized in that, described concentrator also comprises:
Receiver module is used for receiving the related request message that STA sends;
Add module, be used for described STA is added this bunch.
9. concentrator according to claim 8, it is characterized in that, described adding module, also be used for belonging to other bunch as described STA, and when having comprised the gathering of former bunch of head described STA in the related message, execution adds described STA after the step of this bunch, from topology information with described STA from former bunch of deletion.
10. concentrator according to claim 6, it is characterized in that described sending module also is used for when not listening to the central beacon of described neighbor networks in described Preset Time section, send central beacon, make the STA that receives described central beacon carry out networking according to described central beacon.
11. the method for a power line communication network networking is characterized in that, described method comprises:
In the Preset Time section, intercept many network coordinations indication messages before the networking of concentrator CCO broadcasting;
If many network coordination indication messages then stop a bunch behavior, and behind the central beacon that receives described CCO transmission, carry out networking according to described central beacon listen to described networking in described Preset Time section before;
Wherein, described Preset Time section is intercepted the time of the central beacon of neighbor networks, time and the reception that CCO broadcasts central beacon and the summation of handling the time of described central beacon greater than described CCO.
12. method according to claim 11 is characterized in that, describedly stops a bunch behavior, comprising:
If cluster finishes and be bunch head, then stop to send bunch beacon, and broadcasting bunch dismission indication message; Perhaps,
If cluster finishes and be bunch member, then stop to send the discovery beacon; Perhaps,
If cluster does not then stop to add other bunch or sets up new bunch.
13. method according to claim 11 is characterized in that, describedly carries out networking according to described central beacon, comprising:
Send related request message to described CCO, with add with described CCO be bunch head bunch.
14. method according to claim 11 is characterized in that, described stopping also to comprise after bunch behavior:
If do not receive the central beacon that described CCO sends, then carry out networking operation according to the situation of the beacon that listens to.
15. a website is characterized in that, described website comprises:
Intercept module, for many network coordinations indication messages before the networking of in the Preset Time section, intercepting concentrator CCO broadcasting;
Stopping modular when being used for that message is indicated in many network coordinations when listen to described networking in described Preset Time section before, stops a bunch behavior;
The networking module is used for carrying out networking according to described central beacon behind the central beacon that receives described CCO transmission;
Wherein, described Preset Time section is intercepted the time of the central beacon of neighbor networks, time and the reception that CCO broadcasts central beacon and the summation of handling the time of described central beacon greater than described CCO.
16. website according to claim 15 is characterized in that, described stopping modular, be used for when cluster finish and for bunch the time, stop to send bunch beacon, and broadcasting bunch is dismissed and to be indicated a message; Perhaps, when cluster finishes and during for bunch member, stop to send and find beacon; Perhaps, when cluster not, stop to add other bunch or set up new bunch.
17. website according to claim 15 is characterized in that, described networking module is used for sending related request message to described CCO, with add with described CCO be bunch head bunch.
18. website according to claim 15 is characterized in that, described website also comprises:
Add module, be used for when not receiving the central beacon of described CCO transmission, carrying out networking operation according to the situation of the beacon that listens to.
19. the system of a power line communication network networking is characterized in that, described system comprises: concentrator and website;
Wherein, the described concentrator described concentrator of arbitrary claim in the claim 6 to 10 as described;
Described website is the described website of arbitrary claim in the claim 15 to 18 as described.
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| CN103259566B (en) | 2015-06-17 |
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