CN104967466A - Networking method of broadband power line communication (PLC) equipment and networking device of broadband PLC equipment - Google Patents
Networking method of broadband power line communication (PLC) equipment and networking device of broadband PLC equipment Download PDFInfo
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- CN104967466A CN104967466A CN201510211835.6A CN201510211835A CN104967466A CN 104967466 A CN104967466 A CN 104967466A CN 201510211835 A CN201510211835 A CN 201510211835A CN 104967466 A CN104967466 A CN 104967466A
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Abstract
The present invention is suitable for the PLC technology field, and provides a networking method of broadband PLC equipment and a networking device of broadband PLC equipment. The method comprises the steps that a first PLC device broadcasts a first networking application message, so that a second PLC device determines that the first PLC device is located in a second networking range of the second PLC device and then sends the second networking response to the first PLC device; the first PLC device receives a second networking application message broadcasted by the second PLC device; the first PLC device determines whether the second PLC device is located in a first networking range of the first PLC device; if the second PLC device is located in the first networking range, the first PLC device sends the first networking response to the second PLC device, so that the first and second PLC devices finish the networking. According to the present invention, the operation is simple and convenient, and the networking efficiency is high.
Description
Technical field
The invention belongs to power-line broadband communication technology field, particularly relate to a kind of network-building method and device of broadband power line communication equipment.
Background technology
Conventional broadband power line communication (Power Line Communication, PLC) equipment has PLC Ethernet Adaptation Unit (also known as Homeplug), PLC wireless-Ethernet adapter etc., and common PLC device networking mode has following three kinds:
1, press the networking button of PLC device, PLC device starts on power line, send networking request, and when also pressing networking button when there being other PLC device and send networking request, these two (or multiple) PLC device form a network;
2, when the network name that two (or multiple) PLC device configure is identical, these two (or multiple) PLC device form a network;
3, each PLC has a unique linkage identification code, inputs the linkage identification code of opposite end PLC device, can change the network name of this opposite end PLC device, join local terminal PLC device place network to make opposite end PLC device in local terminal PLC device.
For above-mentioned networking mode 1, need user to press two (or multiple) networking buttons in section at one time simultaneously; For above-mentioned networking mode 2 and 3, the configuration of network name or the input of linkage identification code all need to have been come by the application program be arranged on third party device, therefore, in sum, current PLC device networking mode complicated operation, have impact on the networking efficiency of PLC device.
Summary of the invention
The object of the embodiment of the present invention is the network-building method and the device that provide a kind of PLC device, is intended to solve PLC device networking mode complicated operation in prior art, causes the inefficient problem of the networking of PLC device.
The embodiment of the present invention is achieved in that a kind of network-building method of broadband power line communication PLC device, comprising:
First PLC device broadcasts the first networking solicitation message, to make the second PLC device after judging that described first PLC device is positioned at the second networking scope of described second PLC device according to the reception condition of described first networking solicitation message, send the second networking response to described first PLC device;
Described first PLC device receives the described second networking response that described second PLC device sends;
Described first PLC device receives the second networking solicitation message of described second PLC device broadcast;
According to the signal degrade condition of the described second networking solicitation message received, described first PLC device judges whether described second PLC device is positioned at the first networking scope of described first PLC device;
If described second PLC device is positioned at described first networking scope, described first PLC device sends the first networking response to described second PLC device, completes networking to make described first PLC device and described second PLC device.
Another object of the embodiment of the present invention is the network-building method providing a kind of broadband power line communication PLC device, and described method comprises:
3rd PLC device receives the 4th networking solicitation message of the 4th PLC device broadcast outside its place network, and described network is made up of described 3rd PLC device and at least one the 5th PLC device;
Whether each described 5th PLC device that described 3rd PLC device detects in described network also all receives described 4th networking solicitation message;
If each described 5th PLC device in described network also all receives described 4th networking solicitation message, described 3rd PLC device judges whether described 4th PLC device is positioned at the 3rd networking scope of described 3rd PLC device;
If described PLC device is positioned at described 3rd networking scope, described 3rd PLC device generates networking instruction, according to described networking instruction, described 4th PLC device is added to described network to make the PLC device of specifying in described network.
Another object of the embodiment of the present invention is the network device providing a kind of broadband power line communication PLC device, comprising:
Radio unit, the first networking solicitation message is broadcasted for the first PLC device, to make the second PLC device after judging that described first PLC device is positioned at the second networking scope of described second PLC device according to the reception condition of described first networking solicitation message, send the second networking response to described first PLC device;
First receiving element, receives the described second networking response of described second PLC device transmission for described first PLC device;
Second receiving element, receives the second networking solicitation message of described second PLC device broadcast for described first PLC device;
According to the signal degrade condition of the described second networking solicitation message received, first judging unit, judges whether described second PLC device is positioned at the first networking scope of described first PLC device for described first PLC device;
First networking unit, if be positioned at described first networking scope for described second PLC device, described first PLC device sends the first networking response to described second PLC device, completes networking to make described first PLC device and described second PLC device.
Another object of the embodiment of the present invention is the network device providing a kind of broadband power line communication PLC device, and described device comprises:
3rd receiving element, receive the 4th networking solicitation message of the 4th PLC device broadcast outside its place network for the 3rd PLC device, described network is made up of described 3rd PLC device and at least one the 5th PLC device;
Detecting unit, whether each described 5th PLC device detected in described network for described 3rd PLC device also all receives described 4th networking solicitation message;
Second judging unit, if also all receive described 4th networking solicitation message for each described 5th PLC device in described network, described 3rd PLC device judges whether described 4th PLC device is positioned at the 3rd networking scope of described 3rd PLC device;
Second networking unit, if be positioned at described 3rd networking scope for described PLC device, described 3rd PLC device generates networking instruction, according to described networking instruction, described 4th PLC device is added to described network to make the PLC device of specifying in described network.
The embodiment of the present invention triggers networking action by PLC device broadcast networking solicitation message, and is used as whether to carry out the judgement of networking with opposite end PLC device by the distance between PLC device, and easy and simple to handle, networking efficiency is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the realization flow figure of the network-building method of the PLC device that the embodiment of the present invention one provides;
Fig. 2 is the realization flow figure of the network-building method of the PLC device that the embodiment of the present invention one provides;
Fig. 3 is the realization flow figure of the network-building method of the PLC device that the embodiment of the present invention two provides;
Fig. 4 is the structured flowchart of the network device of the PLC device that the embodiment of the present invention three provides;
Fig. 5 is the structured flowchart of the network device of the PLC device that the embodiment of the present invention four provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In embodiments of the present invention, described PLC, refer to a kind of communication mode utilizing the multimedia service signals such as low-voltage distributing line transmitting high speed data, voice, image, video, it utilizes the power line of transmission current as communications carrier, as long as in any place having supply socket, need not dial, just can realize express network access.
In order to technical solutions according to the invention are described, be described below by specific embodiment.In addition, in following embodiment, " first, second ... " be only the convenience stated and refer to, for the description object that difference is different.
Embodiment one:
Fig. 1 shows the realization flow of the network-building method of the PLC device that the embodiment of the present invention one provides, two PLC device that the present embodiment is applicable to not yet networking carry out the situation of networking, the PLC device of networking wish is all possessed as two, in the outside broadcast networking solicitation message of the Shi Douhui that powers on, opposite end PLC device is after receiving networking solicitation message, judge the other side whether within the scope of the networking of oneself, if two PLC device are all within the scope of the networking of the other side, then networking success.In the following description to networking process, two PLC device need to perform identical networking action, and below only for wherein side's PLC device, be described in detail this network-building method, the networking action of the opposing party's PLC device is identical, is not repeated herein.
With reference to Fig. 1, details are as follows for this network-building method:
In S101, first PLC device broadcasts the first networking solicitation message, to make the second PLC device after judging that described first PLC device is positioned at the second networking scope of described second PLC device according to the reception condition of described first networking solicitation message, send the second networking response to described first PLC device.
In S102, described first PLC device receives the described second networking response that described second PLC device sends.
When the first PLC device wishes to carry out networking with other PLC device, send networking solicitation message by the mode of broadcast to the PLC device in its range of signal.Every PLC device receiving the first networking solicitation message, all can judge according to self reception condition to this first networking solicitation message, to know whether the first PLC device is positioned within the networking scope of this PLC device, if the first PLC device is positioned within the networking scope of this PLC device, then this PLC device for the first networking solicitation message, can send corresponding networking response to the first PLC device.Therefore, in S101, described second PLC device, is after receiving the first networking solicitation message, judges that the first PLC device is positioned at the PLC device of its networking scope.
Judge that the implementation of another PLC device whether within the scope of its networking will be described in detail hereinafter about PLC device.
In S103, described first PLC device receives the second networking solicitation message of described second PLC device broadcast.
Also, under the situation having networking wish in the second PLC device, the first PLC device can receive the second networking solicitation message of the second PLC device broadcast.
It should be noted that, in the present embodiment, the time that two PLC device carry out broadcasting does not have the restriction of sequencing, namely, if a PLC device has a mind to carry out networking, then broadcast its networking solicitation message, without the need to the impact by other PLC device broadcast action executing time.
In S104, according to the signal degrade condition of the described second networking solicitation message received, described first PLC device judges whether described second PLC device is positioned at the first networking scope of described first PLC device.
At this, for the first PLC device, PLC device is judged that the implementation of another PLC device whether within the scope of its networking is described in detail:
As shown in Figure 2, before S101, described method also comprises:
In S106, described first PLC device pre-sets the radius of described first networking scope.
Such as, the first PLC device wishes that the PLC device with its distance within 20 meters carries out networking, then the first PLC device pre-sets the first networking scope radius of 20 meters.
In S107, the first signal attenuation produced after the radius of the first networking scope described in the signal transmission of described first PLC device acquisition predeterminated frequency.
About signal attenuation, its pad value and its frequency and the distance dependent with signal source, relation curve A=(D, F) can be met, wherein, described A is signal attenuation value, described D is the distance with signal source, and described F is the Frequency point of signal, therefore, for the signal of a certain frequency, can draw by above-mentioned relation curve the signal attenuation produced after it transmits the first networking scope radius.
Now, S104 is specially:
S1041, described first PLC device detects the secondary signal decay of described second networking solicitation message on described predeterminated frequency.
S1042, described first PLC device judges whether the decay of described secondary signal is less than described first signal attenuation.
S1043, if the decay of described secondary signal is less than described first signal attenuation, described first PLC device judges that described second PLC device is positioned at described first networking scope.
If the first PLC device judges that the second signal attenuation of networking solicitation message on predeterminated frequency is greater than the signal attenuation got in S107, then show the networking scope radius that the distance of now the second PLC device and the first PLC device is greater than the first PLC device and presets, the second PLC device is not within the scope of the networking of the first PLC device; Otherwise, can judge that the second PLC device is positioned at the networking scope of the first PLC device.
By the technical scheme shown in Fig. 2, the signal attenuation of the signal received can be quickly move through to judge the distance between PLC device, thus judge whether opposite end PLC device is positioned at the networking scope of local terminal PLC device.In embodiments of the present invention, all relating to, all can adopt such scheme to realize to the judgement of opposite end PLC device whether within the scope of the networking of local terminal PLC device, therefore repeats no more.
In S105, if described second PLC device is positioned at described first networking scope, described first PLC device sends the first networking response to described second PLC device, completes networking to make described first PLC device and described second PLC device.
If the second PLC device is positioned within the networking scope of the first PLC device, then the first PLC device for the second networking solicitation message, can send corresponding networking response to the second PLC device.Two PLC device, after receiving the networking solicitation message of the other side and return corresponding response, just can complete networking between two PLC device.
Technique scheme triggers networking action by PLC device broadcast networking solicitation message, and be used as whether to carry out the judgement of networking with opposite end PLC device by the distance between PLC device, compared to existing PLC device networking mode, easy and simple to handle, networking efficiency is high.
Embodiment two:
Fig. 3 shows the realization flow of the network-building method of the PLC device that the embodiment of the present invention two provides, and the present embodiment is applicable to two and the networking success of above PLC device, and another treats that the PLC device of networking needs to join the situation of this network.The PLC device of networking is treated for this, it is also trigger networking action by broadcast networking solicitation message outside when powering on, as long as any PLC device judges that this treats that the PLC device of networking is positioned at its networking scope in existing network, then this treats that the PLC device of networking just successfully can add this existing network.Below for a PLC device any in existing network, this network-building method is described in detail.
With reference to Fig. 3, the method comprises:
In S301, the 3rd PLC device receives the 4th networking solicitation message of the 4th PLC device broadcast outside its place network, and described network is made up of described 3rd PLC device and at least one the 5th PLC device.
In the present embodiment, described 3rd PLC device is executive agent, it constitutes existing network with at least one the 5th PLC device, described 4th PLC device is treat the PLC device of networking, its outside broadcast networking solicitation message, the 3rd PLC device and the 5th PLC device all can receive this networking solicitation message.
In S302, whether each described 5th PLC device that described 3rd PLC device detects in described network also all receives described 4th networking solicitation message.
Pass through intra-network communication, 3rd PLC device can detect whether each PLC device in network have received the networking solicitation message of the 4th PLC device transmission, if each PLC device in network have received this networking solicitation message, then perform S303, otherwise the 3rd PLC device does not do further response to this networking solicitation message.
In S303, if each described 5th PLC device in described network also all receives described 4th networking solicitation message, described 3rd PLC device judges whether described 4th PLC device is positioned at the 3rd networking scope of described 3rd PLC device.
According to the determination methods described in Fig. 2 embodiment, the 3rd PLC device can judge whether the 4th PLC device is positioned at its networking scope, is perform S304, otherwise the 3rd PLC device does not perform the networking action the 4th PLC device being joined existing network.
In S304, if described 4th PLC device is positioned at described 3rd networking scope, described 3rd PLC device generates networking instruction, according to described networking instruction, described 4th PLC device is added to described network to make the PLC device of specifying in described network.
If the 3rd PLC device judges that the 4th PLC device is positioned at its networking scope, then the 3rd PLC device generates networking instruction, and the PLC device in existing network performs networking operation according to this networking instruction, the 4th PLC device is joined in this existing network.Particularly, the operation 4th PLC device being joined this existing network has been come by the PLC device of specifying in this existing network, this PLC device of specifying plays the role of " main frame " in existing network, for the management information of PLC in coordination network, so, there are following two kinds of implementations in S304:
One, described 3rd PLC device is the PLC device of specifying in described network.
Now, S304 is specially:
Described 3rd PLC device generates networking instruction, and according to described networking instruction, described 4th PLC device is added to described network.
Now, the 4th PLC device is joined in existing network according to this networking instruction by the 3rd PLC device.
Two, wherein described 5th PLC device is the PLC device of specifying in described network.
Now, S304 is specially::
Described 3rd PLC device generates networking instruction, and described networking instruction is sent to the PLC device of specifying in described network, according to described networking instruction, described 4th PLC device is added to described network to make the PLC device of specifying in described network.
This networking instruction, after generation networking instruction, is sent to the PLC device as " main frame ", the 4th PLC device is joined in existing network by this PLC device according to this networking instruction by the 3rd PLC device.
Similarly, Fig. 2 technical scheme triggers networking action by PLC device broadcast networking solicitation message, and is used as whether to carry out the judgement of networking, compared to existing PLC device networking mode with opposite end PLC device by the distance between PLC device, easy and simple to handle, networking efficiency is high.
Should be understood that the size of the sequence number of each step in above-described embodiment and do not mean that the priority of execution sequence, the execution sequence of each process should be determined with its function and internal logic, and should not form any restriction to the implementation process of the embodiment of the present invention.
Embodiment three:
Corresponding to the network-building method of the PLC device described in foregoing embodiments one, Fig. 4 shows the structured flowchart of the network device of PLC device, for convenience of explanation, illustrate only part related to the present embodiment.
With reference to Fig. 4, this device comprises:
Radio unit 41, first PLC device broadcasts the first networking solicitation message, to make the second PLC device after judging that described first PLC device is positioned at the second networking scope of described second PLC device according to the reception condition of described first networking solicitation message, send the second networking response to described first PLC device.
First receiving element 42, described first PLC device receives the described second networking response that described second PLC device sends.
Second receiving element 43, described first PLC device receives the second networking solicitation message of described second PLC device broadcast.
First judging unit 44, according to the signal degrade condition of the described second networking solicitation message received, described first PLC device judges whether described second PLC device is positioned at the first networking scope of described first PLC device.
First networking unit 45, if described second PLC device is positioned at described first networking scope, described first PLC device sends the first networking response to described second PLC device, completes networking to make described first PLC device and described second PLC device.
Alternatively, described device also comprises:
Setting unit, described first PLC device pre-sets the radius of described first networking scope;
Acquiring unit, the first signal attenuation produced after the radius of the first networking scope described in the signal transmission of described first PLC device acquisition predeterminated frequency;
Described first judging unit 44 comprises:
Detection sub-unit, described first PLC device detects the secondary signal decay of described second networking solicitation message on described predeterminated frequency;
Judgment sub-unit, described first PLC device judges whether the decay of described secondary signal is less than described first signal attenuation;
Judge subelement, if the decay of described secondary signal is less than described first signal attenuation, described first PLC device judges that described second PLC device is positioned at described first networking scope.
Embodiment four:
Corresponding to the network-building method of the PLC device described in foregoing embodiments two, Fig. 5 shows the structured flowchart of the network device of PLC device, for convenience of explanation, illustrate only part related to the present embodiment.
With reference to Fig. 5, this device comprises:
3rd receiving element the 51, three PLC device receives the 4th networking solicitation message of the 4th PLC device broadcast outside its place network, and described network is made up of described 3rd PLC device and at least one the 5th PLC device.
Detecting unit 52, whether each described 5th PLC device that described 3rd PLC device detects in described network also all receives described 4th networking solicitation message.
Second judging unit 53, if each described 5th PLC device in described network also all receives described 4th networking solicitation message, described 3rd PLC device judges whether described 4th PLC device is positioned at the 3rd networking scope of described 3rd PLC device.
Second networking unit 54, if described PLC device is positioned at described 3rd networking scope, described 3rd PLC device generates networking instruction, according to described networking instruction, described 4th PLC device is added to described network to make the PLC device of specifying in described network.
Alternatively, described 3rd PLC device is the PLC device of specifying in described network, then described second networking unit 54 specifically for:
Described 3rd PLC device generates networking instruction, and according to described networking instruction, described 4th PLC device is added to described network.
Alternatively, wherein described 5th PLC device is the PLC device of specifying in described network, then described second networking unit 54 specifically for:
Described 3rd PLC device generates networking instruction, and described networking instruction is sent to the PLC device of specifying in described network, according to described networking instruction, described 4th PLC device is added to described network to make the PLC device of specifying in described network.
Those skilled in the art can be well understood to, for convenience of description and succinctly, only be illustrated with the division of above-mentioned each functional unit, module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional units, module, internal structure by described device is divided into different functional units or module, to complete all or part of function described above.Each functional unit in embodiment, module can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated, above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.In addition, the concrete title of each functional unit, module, also just for the ease of mutual differentiation, is not limited to the protection range of the application.The specific works process of unit, module in said system, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
Those of ordinary skill in the art can recognize, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
In embodiment provided by the present invention, should be understood that disclosed apparatus and method can realize by another way.Such as, system embodiment described above is only schematic, such as, the division of described module or unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, it can be by some interfaces that shown or discussed coupling each other or direct-coupling or communication connect, and the indirect coupling of device or unit or communication connect, and can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that the technical scheme of the embodiment of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) or processor (processor) perform all or part of step of method described in each embodiment of the embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random AccessMemory), magnetic disc or CD etc. various can be program code stored medium.
The above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the embodiment of the present invention.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a network-building method for broadband power line communication PLC device, is characterized in that, comprising:
First PLC device broadcasts the first networking solicitation message, to make the second PLC device after judging that described first PLC device is positioned at the second networking scope of described second PLC device according to the reception condition of described first networking solicitation message, send the second networking response to described first PLC device;
Described first PLC device receives the described second networking response that described second PLC device sends;
Described first PLC device receives the second networking solicitation message of described second PLC device broadcast;
According to the signal degrade condition of the described second networking solicitation message received, described first PLC device judges whether described second PLC device is positioned at the first networking scope of described first PLC device;
If described second PLC device is positioned at described first networking scope, described first PLC device sends the first networking response to described second PLC device, completes networking to make described first PLC device and described second PLC device.
2. the method for claim 1, is characterized in that, before described first PLC device broadcasts the first networking solicitation message, described method also comprises:
Described first PLC device pre-sets the radius of described first networking scope;
The first signal attenuation produced after the radius of the first networking scope described in the signal transmission of described first PLC device acquisition predeterminated frequency;
According to the signal degrade condition of the described second networking solicitation message received, described first PLC device judges that the first networking scope whether described second PLC device is positioned at described first PLC device comprises:
Described first PLC device detects the secondary signal decay of described second networking solicitation message on described predeterminated frequency;
Described first PLC device judges whether the decay of described secondary signal is less than described first signal attenuation;
If described secondary signal decay is less than described first signal attenuation, described first PLC device judges that described second PLC device is positioned at described first networking scope.
3. a network-building method for broadband power line communication PLC device, is characterized in that, described method comprises:
3rd PLC device receives the 4th networking solicitation message of the 4th PLC device broadcast outside its place network, and described network is made up of described 3rd PLC device and at least one the 5th PLC device;
Whether each described 5th PLC device that described 3rd PLC device detects in described network also all receives described 4th networking solicitation message;
If each described 5th PLC device in described network also all receives described 4th networking solicitation message, described 3rd PLC device judges whether described 4th PLC device is positioned at the 3rd networking scope of described 3rd PLC device;
If described 4th PLC device is positioned at described 3rd networking scope, described 3rd PLC device generates networking instruction, according to described networking instruction, described 4th PLC device is added to described network to make the PLC device of specifying in described network.
4. method as claimed in claim 3, it is characterized in that, described 3rd PLC device is the PLC device of specifying in described network, then described 3rd PLC device generates networking instruction, according to described networking instruction, described 4th PLC device is added to described network comprises to make the PLC device of specifying in described network:
Described 3rd PLC device generates networking instruction, and according to described networking instruction, described 4th PLC device is added to described network.
5. method as claimed in claim 3, it is characterized in that, wherein described 5th PLC device is the PLC device of specifying in described network, then described 3rd PLC device generates networking instruction, according to described networking instruction, described 4th PLC device is added to described network comprises to make the PLC device of specifying in described network:
Described 3rd PLC device generates networking instruction, and described networking instruction is sent to the PLC device of specifying in described network, according to described networking instruction, described 4th PLC device is added to described network to make the PLC device of specifying in described network.
6. a network device for broadband power line communication PLC device, is characterized in that, comprising:
Radio unit, the first networking solicitation message is broadcasted for the first PLC device, to make the second PLC device after judging that described first PLC device is positioned at the second networking scope of described second PLC device according to the reception condition of described first networking solicitation message, send the second networking response to described first PLC device;
First receiving element, receives the described second networking response of described second PLC device transmission for described first PLC device;
Second receiving element, receives the second networking solicitation message of described second PLC device broadcast for described first PLC device;
According to the signal degrade condition of the described second networking solicitation message received, first judging unit, judges whether described second PLC device is positioned at the first networking scope of described first PLC device for described first PLC device;
First networking unit, if be positioned at described first networking scope for described second PLC device, described first PLC device sends the first networking response to described second PLC device, completes networking to make described first PLC device and described second PLC device.
7. device as claimed in claim 6, it is characterized in that, described device also comprises:
Setting unit, pre-sets the radius of described first networking scope for described first PLC device;
Acquiring unit, the first signal attenuation of producing after the radius of the first networking scope described in the signal transmission obtaining predeterminated frequency for described first PLC device;
Described first judging unit comprises:
Detection sub-unit, detects the secondary signal decay of described second networking solicitation message on described predeterminated frequency for described first PLC device;
For described first PLC device, judgment sub-unit, judges whether the decay of described secondary signal is less than described first signal attenuation;
Judge subelement, if be less than described first signal attenuation for described secondary signal decay, described first PLC device judges that described second PLC device is positioned at described first networking scope.
8. a network device for broadband power line communication PLC device, is characterized in that, described device comprises:
3rd receiving element, receive the 4th networking solicitation message of the 4th PLC device broadcast outside its place network for the 3rd PLC device, described network is made up of described 3rd PLC device and at least one the 5th PLC device;
Detecting unit, whether each described 5th PLC device detected in described network for described 3rd PLC device also all receives described 4th networking solicitation message;
Second judging unit, if also all receive described 4th networking solicitation message for each described 5th PLC device in described network, described 3rd PLC device judges whether described 4th PLC device is positioned at the 3rd networking scope of described 3rd PLC device;
Second networking unit, if be positioned at described 3rd networking scope for described 4th PLC device, described 3rd PLC device generates networking instruction, according to described networking instruction, described 4th PLC device is added to described network to make the PLC device of specifying in described network.
9. device as claimed in claim 8, it is characterized in that, described 3rd PLC device is the PLC device of specifying in described network, then described second networking unit specifically for:
Described 3rd PLC device generates networking instruction, and according to described networking instruction, described 4th PLC device is added to described network.
10. device as claimed in claim 8, it is characterized in that, wherein described 5th PLC device is the PLC device of specifying in described network, then described second networking unit specifically for:
Described 3rd PLC device generates networking instruction, and described networking instruction is sent to the PLC device of specifying in described network, according to described networking instruction, described 4th PLC device is added to described network to make the PLC device of specifying in described network.
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