CN104079458A - Power-line-based method and system for allowing network terminal device to have access to network and device - Google Patents
Power-line-based method and system for allowing network terminal device to have access to network and device Download PDFInfo
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Abstract
The invention discloses a power-line-based method and system for allowing a network terminal device to have access to a network and a device. The method comprises the following steps that an adapter which is respectively connected with a power line and a network cable having access to the network is used for modulating a network signal based on network side transmission protocols into a power-line signal, and the modulated power-line signal is transmitted into the power line, wherein the network signal based on the network side transmission protocols is received by the adaptor from the network cable; the router device which is respectively connected with the power line and the network terminal device is used for filtering and demodulating a signal received by the router device from the power line so that the network signal based on the network side transmission protocols can be obtained, the network signal based on the network side transmission protocols is converted into a network signal based on terminal side transmission protocols, signal sending processing is conducted on the converted network signal, and the network signal based on the terminal side transmission protocols is sent to the network terminal device; the router device and the adaptor can also be used for executing corresponding processing operations in the reverse information transmission direction.
Description
Technical field
The present invention relates to route technology, be specifically related to system and the routing device of a kind of method of the network-termination device access network based on power line, the network-termination device access network based on power line.
Background technology
Routing device is mainly used in network-termination device access network as wireless router etc., as wireless router provides wireless coverage function, with by mobile terminal device access networks such as user's intelligent mobile phone, panel computer and mobile computers.
Routing device utilizes signal pass-through mode by network-termination device access network; Be that routing device is in fact a signal repeater, concrete, the network signal that routing device receives it from network sends to network-termination device (as wireless router sends wireless network signal by day alignment user's a mobile terminal device), and the signal that network-termination device is sent transfers in network, thereby realized the network insertion of network-termination device.
Current routing device is normally connected to the network in wired connection mode, as wireless router is connected with the netting twine with 8 contacts of drawing from wall.Because netting twine is drawn the factors such as length from wall, user can be placed on routing device the place nearer apart from netting twine extraction location conventionally.
Inventor finds in realizing process of the present invention, because routing device can be arranged on the place nearer apart from netting twine extraction location conventionally, therefore, there is sometimes inconvenience with being connected of network-termination device in routing device, as in the situation that wireless router is set up place, entrance hall in being in, when user locates to use its mobile terminal device in bedroom or balcony etc., may there is the poor problem of the received wireless network signal of mobile terminal device; For another example, in the situation that cable router is set up place, entrance hall in being in, if user's computer installation is located in bedroom etc., need to utilize longer netting twine by cable router and computer wired connection, make computer access network.
Summary of the invention
In view of the above problems, the present invention has been proposed to provide a kind of method of the network-termination device access network based on power line that overcomes the problems referred to above or address the above problem at least in part and system and the routing device of the corresponding network-termination device access network based on power line.
According to one aspect of the present invention, a kind of method of the network-termination device access network based on power line is provided, the method comprises: the network signal of the side host-host protocol Network Based that the adapter being connected respectively with the netting twine of power line and access network receives it from netting twine is modulated to power line signal, and the power line signal after adapter is modulated transfers in power line; The routing device being connected respectively with network-termination device with power line receives it signal from power line carries out filtering and rectification is processed the network signal that obtains side host-host protocol Network Based, and the network signal of side host-host protocol Network Based is converted to the network signal based on end side host-host protocol, the network signal number of carrying out transmission processing after routing device is changed, and send the network signal based on end side host-host protocol to network-termination device; The network signal based on end side host-host protocol of described routing device self terminal equipment in future is converted to the network signal of side host-host protocol Network Based, the network signal of the side host-host protocol Network Based after routing device is changed is modulated to power line signal, and the power line signal after being modulated transfers in power line; Described adapter receives it signal by power line carries out filtering and rectification is processed the network signal that obtains side host-host protocol Network Based, and the network signal of its acquisition is transferred in netting twine.
According to another aspect of the present invention, provide a kind of system of the network-termination device access network based on power line, this system comprises: adapter and routing device; Described adapter comprises: the cable interface of the first power line interface, access network and first signal process chip, described the first power line interface is connected respectively with first signal process chip with power line, and described cable interface is connected respectively with netting twine and the first signal process chip of access network; Described first signal process chip is suitable for, and the network signal of the side host-host protocol Network Based that it is received by cable interface is modulated to power line signal, and the power line signal after being modulated transfers in power line by the first power line interface; Described first signal process chip is also suitable for, the signal that it is received by the first power line interface carries out filtering and rectification is processed the network signal that obtains side host-host protocol Network Based, and the network signal of its acquisition is transferred in netting twine by cable interface; Described routing device comprises: the second power line interface, secondary signal process chip and the 3rd signal processing chip, and described the second power line interface is connected respectively with power line and secondary signal process chip; Secondary signal process chip is suitable for, and the signal that it is received by the second power line interface carries out filtering and rectification is processed the network signal that obtains side host-host protocol Network Based; The 3rd signal processing chip is suitable for, the network signal of the side host-host protocol Network Based that secondary signal process chip is obtained is converted to the network signal based on end side host-host protocol, network signal after being changed carries out signal transmission processing, and sends the network signal based on end side host-host protocol to network-termination device; Described the 3rd signal processing chip is also suitable for, and the network signal based on end side host-host protocol of self terminal equipment is converted to the network signal of side host-host protocol Network Based in the future; Described secondary signal process chip is also suitable for, and the network signal of the side host-host protocol Network Based after the 3rd signal processing chip conversion is modulated to power line signal, and the power line signal after being modulated transfers in power line by the second power line interface.
According to a further aspect of the invention, provide a kind of routing device, this routing device comprises: the second power line interface, secondary signal process chip and the 3rd signal processing chip; Described the second power line interface is connected respectively with secondary signal process chip with power line, and routing device is connected with adapter by described the second power line interface and power line, and described adapter is connected with the netting twine of access network; Described secondary signal process chip is also connected with the 3rd signal processing chip, and secondary signal process chip is suitable for, and the signal that it is received by the second power line interface carries out filtering and rectification is processed the network signal that obtains side host-host protocol Network Based; Described the 3rd signal processing chip is suitable for, the network signal of the side host-host protocol Network Based that secondary signal process chip is obtained is converted to the network signal based on end side host-host protocol, network signal after being changed carries out signal transmission processing, and sends the network signal based on end side host-host protocol to network-termination device; Described the 3rd signal processing chip is also suitable for, and the network signal based on end side host-host protocol of self terminal equipment is converted to the network signal of side host-host protocol Network Based in the future; Described secondary signal process chip is also suitable for, and the network signal of the side host-host protocol Network Based after the 3rd signal processing chip conversion is modulated to power line signal, and the power line signal after being modulated transfers in power line by the second power line interface.
The method of the network-termination device access network based on power line of the present invention, system with routing device by adapter is connected respectively with power line with netting twine, and routing device is connected with adapter by power line, and adapter and routing device all can carry out the signal modulating/demodulating system between power line signal and network signal, like this, the network signal of the side host-host protocol Network Based from network side in netting twine can be transferred to routing device by adapter and power line, and routing device in the future the network signal based on end side host-host protocol of automatic network terminal equipment by power line and adapter, transfer in netting twine, thereby the routing device of the embodiment of the present invention can be arranged at the place nearer apart from netting twine extraction location, but can determine flexibly according to physical location/actual activity scope of network-termination device, as routing device is arranged at the place nearer apart from network-termination device, final the present invention has improved the application flexibility of routing device.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification, and for above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by the specific embodiment of the present invention.
Accompanying drawing explanation
By reading below detailed description of the preferred embodiment, various other advantage and benefits will become cheer and bright for those of ordinary skills.Figure of description is only for the object of preferred implementation is shown, and do not think limitation of the present invention.And in whole accompanying drawing, by identical reference symbol, represent identical parts.In the accompanying drawings:
Fig. 1 shows according to the method flow diagram of the network-termination device access network based on power line of the embodiment of the present invention one;
Fig. 2 shows according to the system schematic of the network-termination device access network based on power line of the embodiment of the present invention two;
Fig. 3 shows the routing device schematic diagram according to the embodiment of the present invention three.
Embodiment
Exemplary embodiment of the present disclosure is described below with reference to accompanying drawings in more detail.Although shown exemplary embodiment disclosed by the invention in accompanying drawing, yet should be appreciated that and can realize the disclosure and the embodiment that should do not set forth limits here with various forms.On the contrary, it is in order more thoroughly to understand the disclosure that these embodiment are provided, and can by the scope of the present disclosure complete convey to those skilled in the art.
The method of embodiment mono-, the network-termination device access network based on power line.Below in conjunction with Fig. 1, the method for the present embodiment is elaborated.
In Fig. 1, the network signal of the side host-host protocol Network Based that S100, adapter receive it from netting twine is modulated to power line signal, and the power line signal after adapter is modulated transfers in power line.
Concrete, the power line in the adapter in the present embodiment and the netting twine of access network and among a small circle region is connected respectively; The netting twine of above-mentioned access network can be the netting twine of accessing Internet, can be also netting twine of access to LAN etc.; Power line in above-mentioned small area can be the power line in one family regional extent, can be also the power line within the scope of an office areas; That is to say, the method for the present embodiment is applicable in the regional environments such as family or office.
Adapter not only can obtain electric energy from power line, can normally work after it is powered up, but also can carry out signal transmission by power line and the routing device in region among a small circle.
In this step, this adapter is mainly used in carrying out the network signal of the side host-host protocol Network Based in netting twine is modulated to power line signal (as the power line signal based on HomePlug agreement) and sends this power line signal; That is to say, in the situation that adapter receives the network signal of side host-host protocol Network Based from netting twine, the network signal of the side host-host protocol Network Based that adapter is received is modulated to power line signal (as the power line signal based on HomePlug agreement), and the power line signal after modulation is transferred in power line, like this, via the power line signal (as the power line signal based on HomePlug agreement) after adapter modulation, can transfer to routing device by power line.Above-mentioned power line signal includes the represented content of network signal of side host-host protocol Network Based.
The adapter of the present embodiment and routing device have all carried out code operations in advance, like this, can carry out normal power line signal mutual between adapter and routing device.
In addition, in the adapter of the present embodiment, can set in advance the first encryption key, thereby adapter is modulated in the process of power line signal (as the power line signal based on HomePlug agreement) at the network signal of the side host-host protocol Network Based that it is received from netting twine, can first utilize the network signal of the side host-host protocol Network Based that the first encryption key of its storage receives it to be encrypted, and then the network signal after encryption is adjusted into power line signal (as the power line signal based on HomePlug agreement).The first encryption key arranging in adapter can be disposed in adapter when adapter dispatches from the factory, and can be also its first encryption key that is obtained and stored by the information interaction with routing device.
S110, routing device receive it signal from power line carries out filtering processing and rectification is processed, thereby obtain the network signal of side host-host protocol Network Based, routing device is converted to the network signal based on end side host-host protocol by the network signal of the side host-host protocol Network Based of its acquisition, and the network signal after being changed carries out signal transmission processing, routing device sends the network signal based on end side host-host protocol to network-termination device.
Concrete, the routing device in the present embodiment is connected respectively with one or more network-termination device with power line, and this routing device can be cable router, can be also wireless router.This routing device not only can obtain electric energy from power line, can normally work after it is powered up, but also can carry out power line signal transmission by power line and the adapter in region among a small circle.
In this step, routing device is mainly used in carrying out and from the power line signal receiving, obtains the operations such as the network signal (as the network signal based on HTTP) of side host-host protocol Network Based and network signal format conversion, and this routing device is also transferred to network-termination device for the network signal of the side host-host protocol Network Based that obtained after signal conversion, that is to say, in the situation that routing device receives signal from power line, routing device carries out filtering processing by this signal, the power line signal modulating to obtain adapter, the power line signal that routing device obtains it carries out rectification processing, to obtain the network signal of side host-host protocol Network Based, afterwards, routing device is converted to network signal based on end side host-host protocol (as the network signal based on IEEE802 agreement by the network signal of side host-host protocol Network Based, and network signal that should be based on IEEE802 agreement can be specially network signal based on IEEE802.3 agreement or for the network signal based on IEEE802.11 agreement etc.), and the network signal based on end side host-host protocol after conversion is carried out to follow-up transmission processing, the follow-up transmission processing here typically refers to current existing routing device after receiving the network signal of side host-host protocol Network Based and the network signal of side host-host protocol Network Based is converted to the network signal based on end side host-host protocol from netting twine, the processing to network-termination device transmission network signal that network signal based on end side host-host protocol is done, as wireless routing device determine its reception local net network signal radio transmitted power and carry out wireless signal transmission operation etc., concrete transmission processing operates in this and no longer describes in detail.
In the situation that adapter adopts encryption key to carry out cryptographic operation, the routing device of the present embodiment can be when receiving signal from power line, the signal first it being received carries out filtering processing, to obtain power line signal, again power line signal is carried out to rectification processing, obtain the network signal of the side host-host protocol Network Based after encrypting, afterwards, routing device utilizes the first decruption key of its storage to be decrypted processing to the network signal of the side host-host protocol Network Based of its acquisition, and the network signal of the side host-host protocol Network Based after decryption processing is converted to the network signal based on end side host-host protocol.
The first decruption key is to set in advance in the routing device of the present embodiment, thereby routing device is in the situation that rectification obtains the network signal of side host-host protocol Network Based, can from its canned data, obtain easily the first decruption key.The first decruption key setting in advance in routing device can be disposed in routing device when routing device dispatches from the factory, and can be also that routing device is by obtaining in advance with the information interaction of adapter and storing.In the situation that adopting symmetric encipherment algorithm between routing device and adapter, the first decruption key of storing in routing device is the first encryption key that adapter is encrypted network signal.
The network signal based on end side host-host protocol of S120, routing device self terminal equipment in future is converted to the network signal of side host-host protocol Network Based, the network signal of the side host-host protocol Network Based after routing device is changed is modulated to power line signal, and the power line signal after being modulated transfers in power line.
Concrete, in the situation that routing device receives the network signal based on end side host-host protocol from network-termination device, the network signal based on end side host-host protocol that routing device receives it carries out format conversion processing, the network signal based on end side host-host protocol is converted to the network signal of the side host-host protocol Network Based in the netting twine that can transfer to access network (as the Internet or local area network (LAN)); After format conversion processing, routing device is modulated to power line signal (as the power line signal based on HomePlug agreement) by the network signal of side host-host protocol Network Based, afterwards, routing device transfers to the power line signal (as the power line signal based on HomePlug agreement) after modulation in power line, like this, the power line signal (as the power line signal based on HomePlug agreement) after being modulated by routing device can transfer to adapter by power line.
The format conversion processing that above-mentioned routing device carries out the network signal receiving is generally the format conversion processing processing that current existing routing device is done after the network signal receiving from network-termination device, as thereby routing device carries out the network signal that the operations such as protocol format conversion and packing processing form side host-host protocol Network Based to the network signal based on end side host-host protocol receiving, concrete processing operates in this and no longer describes in detail.
In addition, in the routing device of the present embodiment, can set in advance the second encryption key, thereby routing device is being modulated to the network signal of side host-host protocol Network Based in the process of power line signal, can first utilize the second encryption key of its storage to be encrypted the network signal of this side host-host protocol Network Based, then, routing device is modulated to the network signal of the side host-host protocol Network Based after encryption power line signal (as the power line signal based on HomePlug agreement) again.The second encryption key arranging in routing device can be disposed in routing device when routing device dispatches from the factory, and can be also its second encryption key that is obtained and stored by the information interaction with adapter.It should be noted that, second encryption key here can be identical with the first encryption key in above-mentioned steps.
S130, adapter receive it signal by power line carries out filtering and rectification is processed, obtain the network signal of side host-host protocol Network Based, adapter transfers to the network signal of the side host-host protocol Network Based of its acquisition in the netting twine of access network.
Concrete, in this step, adapter is mainly used in carrying out the rectification operation that power line signal (as the power line signal based on the HomePlug agreement) demodulation received is made as the network signal of side host-host protocol Network Based, and adapter also for by the network signal of the side host-host protocol Network Based after rectification by network cable transmission to network side (as Internet side or local net network side), further, in the situation that adapter receives signal from power line, the signal that adapter is received carries out filtering processing, the power line signal (as the power line signal based on HomePlug agreement) modulating to obtain routing device, the power line signal that adapter obtains it (as the power line signal based on HomePlug agreement) carries out rectification processing, to obtain the network signal of side host-host protocol Network Based, adapter transfers to the network signal of the side host-host protocol Network Based after rectification in the netting twine of access network (as the Internet or local area network (LAN) etc.).
In the situation that routing device adopts encryption key to be encrypted, the adapter of the present embodiment can be when receiving signal from power line, first signal is carried out to filtering processing, to obtain power line signal (as the power line signal based on HomePlug agreement), afterwards, again the power line signal of its acquisition (as the power line signal based on HomePlug agreement) is carried out to rectification processing, thereby obtain the network signal of the side host-host protocol Network Based after encrypting, afterwards, adapter utilizes the second decruption key of its storage to be decrypted processing to the network signal of the side host-host protocol Network Based of its acquisition, and the network signal of the side host-host protocol Network Based after decryption processing is transferred in the netting twine of access network (as the Internet or local area network (LAN)).
The second decruption key is to set in advance in the adapter of the present embodiment, thereby adapter is in the situation that rectification obtains the network signal of side host-host protocol Network Based, can from its canned data, obtain easily the second decruption key.The second decruption key setting in advance in adapter can be disposed in adapter when adapter dispatches from the factory, and can be also that adapter is by obtaining in advance with the information interaction of routing device and storing.In the situation that adopting symmetric encipherment algorithm between routing device and adapter, the second decruption key of storing in adapter is the second encryption key that routing device is encrypted the network signal of side host-host protocol Network Based.
It should be noted that, the first encryption key in the present embodiment, the first decruption key, the second encryption key and the second decruption key can be same key.Also have, although above-mentioned S100-S130 according to the order from S100 to S130, describe,, in actual applications, there is not the restriction of execution sequence in the S100-S130 in the present embodiment, as above-mentioned S100-S130 executed in parallel simultaneously.
The system of embodiment bis-, the network-termination device access network based on power line.Below in conjunction with Fig. 2, the system of the present embodiment is elaborated.
The system of the network-termination device access network based on power line shown in Fig. 2 mainly comprises: adapter 200 and routing device 210.
Adapter 200 and the netting twine of access network are connected respectively with the power line in region among a small circle; The netting twine of above-mentioned access network can be the netting twine of accessing Internet, can be also the netting twine of access to LAN; Power line in above-mentioned small area can be the power line in one family regional extent, can be also the power line within the scope of an office areas; That is to say, the system of the present embodiment is applicable in the regional environments such as family or office.
The adapter 200 of the present embodiment not only can obtain electric energy from power line, can normally work after it is powered up, but also can carry out power line signal transmission by power line and the routing device 210 in region among a small circle.
The routing device 210 of the present embodiment not only can obtain electric energy from power line, can normally work after it is powered up, but also can carry out power line signal transmission by power line and the adapter 200 in region among a small circle.
The adapter 200 of the present embodiment mainly comprises: the first power line interface 201, cable interface 202 and first signal process chip 203; Wherein, the first power line interface 201 is connected respectively with power line and first signal process chip 203, and cable interface 202 is connected respectively with netting twine and the first signal process chip 203 of access network.
Routing device 210 is connected (wired connection or wireless connections) with one or more network-termination device, routing device is also connected with the power line in region among a small circle, and this routing device 210 can be cable router, can be also wireless router.
The routing device 210 of the present embodiment mainly comprises: the second power line interface 211, secondary signal process chip 212 and the 3rd signal processing chip 213, and the second power line interface 211 is connected respectively with power line and secondary signal process chip 212, secondary signal process chip 212 is also connected with the 3rd signal processing chip 213.
Adapter 200 and the routing device 210 of the present embodiment have all carried out code operations in advance, thereby it is mutual between adapter 200 and routing device 210, can to carry out normal power line signal.
Below the concrete device in adapter 200 and routing device 210 is elaborated respectively.
The network signal that first signal process chip 203 is mainly used in side host-host protocol Network Based that adapter 200 is received from netting twine by cable interface 202 is modulated to power line signal, and the power line signal after being modulated transfers in power line by the first power line interface 201.
Concrete, in the situation that adapter 200 receives the network signal of side host-host protocol Network Based from netting twine by cable interface 202, the network signal of the side host-host protocol Network Based that first signal process chip 203 receives adapter 200 is modulated to power line signal (as the power line signal based on HomePlug agreement), and the power line signal (as the power line signal based on HomePlug agreement) after modulation is transferred in power line by the first power line interface 201, like this, via the power line signal (as the power line signal based on HomePlug agreement) after 203 modulation of first signal process chip, can transfer to routing device by power line.
In the adapter 200 of the present embodiment, can set in advance the first encryption key, thereby first signal process chip 203 is modulated in the process of power line signal at the network signal of the side host-host protocol Network Based that adapter 200 is received from netting twine by cable interface 202, the network signal of the side host-host protocol Network Based that first encryption key that can first utilize adapter 200 to store receives adapter 200 is encrypted, then, then by the network signal after encryption be adjusted into power line signal (as the power line signal based on HomePlug agreement).The first encryption key arranging in adapter 200 can be disposed in adapter when adapter dispatches from the factory, and can be also the first encryption key that adapter 200 is obtained and stored by the information interaction with routing device.
The signal that first signal process chip 203 is also mainly used in adapter 200 to receive from power line by the first power line interface 201 carries out filtering, obtain power line signal (as the power line signal based on HomePlug agreement), and power line signal (as the power line signal based on HomePlug agreement) is carried out to rectification processing, obtain the network signal of side host-host protocol Network Based, first signal process chip 203 transfers to the network signal of the side host-host protocol Network Based of its acquisition in the netting twine of access network by cable interface 202.
Concrete, in the situation that adapter 200 receives signal by the first power line interface 201 from power line, first signal process chip 203 is carried out filtering processing by this signal, the power line signal (as the power line signal based on HomePlug agreement) modulating to obtain routing device 210, the power line signal that first signal process chip 203 is obtained it (as the power line signal based on HomePlug agreement) carries out rectification processing, to obtain the network signal of side host-host protocol Network Based, first signal process chip 203 transfers to the network signal of the side host-host protocol Network Based after rectification in the netting twine of accessing Internet or local area network (LAN) by cable interface 202.
In the situation that routing device 210 adopts encryption key to be encrypted, the first signal process chip 203 of the present embodiment can be when adapter 200 receives signal by the first power line interface 201 from power line, first signal process chip 203 is first carried out filtering processing to signal, to obtain power line signal (as the power line signal based on HomePlug agreement), first signal process chip 203 is carried out rectification processing to the power line signal of its acquisition again, thereby obtain the network signal of the side host-host protocol Network Based after encrypting, afterwards, first signal process chip 203 utilizes the second decruption key of adapter storage to be decrypted processing to the network signal of the side host-host protocol Network Based of its acquisition, and the network signal of the side host-host protocol Network Based after decryption processing is transferred in the netting twine of access network by cable interface 202.
The second decruption key is to set in advance in the adapter 200 of the present embodiment, thereby first signal process chip 203 is in the situation that rectification obtains the network signal of side host-host protocol Network Based, can from adapter 200 canned datas, obtain easily the second decruption key.The second decruption key setting in advance in adapter 200 can be disposed in adapter 200 when adapter 200 dispatches from the factory, and can be also that adapter 200 is obtained in advance and stored by the information interaction with routing device 210.In the situation that adopting symmetric encipherment algorithm between routing device 210 and adapter 200, in adapter 200, the second decruption key of storage is the second encryption key that the network signal of 210 pairs of side host-host protocols Network Based of routing device is encrypted.
The signal that secondary signal process chip 212 is mainly used in that routing device 210 is received by the second power line interface 211 carries out filtering and rectification is processed, to obtain the network signal of side host-host protocol Network Based.Secondary signal process chip 212 is also mainly used in the network signal of the side host-host protocol Network Based after the 3rd signal processing chip 213 conversions to be modulated to power line signal (as the power line signal based on HomePlug agreement), and the power line signal after being modulated transfers in power line by the second power line interface 211, be finally transferred to adapter 200.
The 3rd signal processing chip 213 is mainly used in the network signal of the side host-host protocol Network Based of secondary signal process chip 212 acquisitions to be converted to the network signal based on end side host-host protocol, network signal after being changed carries out signal transmission processing, and sends the network signal based on end side host-host protocol to network-termination device.What the 3rd signal processing chip 213 was also mainly used in routing device 210 to receive is converted to the network signal of side host-host protocol Network Based from the network signal based on end side host-host protocol of terminal equipment.
Concrete, in the situation that routing device 210 receives signal by the second power line interface 211 from power line, secondary signal process chip 212 is carried out filtering processing by this signal, the power line signal modulating to obtain adapter 200, the power line signal that secondary signal process chip 212 is obtained it carries out rectification processing, to obtain the network signal of side host-host protocol Network Based, afterwards, the 3rd signal processing chip 213 is converted to the local net network signal based on IEEE802 (as IEEE802.3 or IEEE802.11 etc.) by the network signal of side host-host protocol Network Based, the network signal based on end side host-host protocol after the 3rd 213 pairs of signal processing chips conversion carries out follow-up transmission processing, the follow-up transmission processing here typically refers to current existing routing device after receiving the network signal of side host-host protocol Network Based and the network signal of side host-host protocol Network Based is converted to the network signal based on end side host-host protocol from netting twine, the processing to network-termination device transmission network signal that network signal based on end side host-host protocol is done, as the 3rd signal processing chip 213 determine its receptions local net network signal radio transmitted power and carry out wireless signal transmission operation etc., concrete transmission processing operates in this and no longer describes in detail.
In the situation that first signal process chip 203 adopts encryption key to carry out cryptographic operation, secondary signal process chip 212 can be when routing device 210 receives signal by the second power line interface 211 from power line, the signal first routing device 210 being received carries out filtering processing, to obtain power line signal, again power line signal is carried out to rectification processing, obtain the network signal of the side host-host protocol Network Based after encrypting, afterwards, secondary signal process chip 212 utilizes the first decruption key of routing device 210 storages to be decrypted processing to the network signal of the side host-host protocol Network Based of its acquisition, afterwards, the 3rd signal processing chip 213 is converted to the network signal based on end side host-host protocol by the network signal of the side host-host protocol Network Based after decryption processing.
The first decruption key is to set in advance in the routing device 210 of the present embodiment, thereby secondary signal process chip 212 is in the situation that rectification obtains the network signal of side host-host protocol Network Based, can from routing device 210 canned datas, obtain easily the first decruption key.
The first decruption key setting in advance in routing device 210 can be disposed in routing device 210 when routing device 210 dispatches from the factory, and can be also that routing device 210 is obtained in advance and stored by the information interaction with adapter 200.In the situation that adopting symmetric encipherment algorithm between routing device 210 and adapter 200, in routing device 210, the first decruption key of storage is the first encryption key that 200 pairs of network signals of adapter are encrypted.
In the situation that routing device 210 receives the network signal based on end side host-host protocol from network-termination device, the network signal based on end side host-host protocol that the 3rd 213 pairs of signal processing chips routing device 210 receives carries out format conversion processing, the network signal based on end side host-host protocol is converted to the network signal that can transfer to the side host-host protocol Network Based in netting twine; After format conversion processing, secondary signal process chip 212 is modulated to power line signal (as the power line signal based on HomePlug agreement) by the network signal of side host-host protocol Network Based, afterwards, secondary signal process chip 212 transfers to the power line signal (as the power line signal based on HomePlug agreement) after modulation in power line by the second power line interface 211, like this, by the power line signal after 212 modulation of secondary signal process chip, can transfer to adapter 200 by power line.
The format conversion processing that the network signal that 213 pairs of routing devices 210 of above-mentioned the 3rd signal processing chip receive carries out is generally the format conversion processing processing that current existing routing device is done after the network signal receiving from network-termination device, as thereby routing device carries out the network signal that the operations such as protocol format conversion and packing processing form side host-host protocol Network Based to the network signal based on end side host-host protocol receiving, concrete processing operates in this and no longer describes in detail.
In addition, in the routing device 210 of the present embodiment, can set in advance the second encryption key, thereby secondary signal process chip 212 is being modulated to the network signal of side host-host protocol Network Based in the process of power line signal (as the power line signal based on HomePlug agreement), can first utilize the second encryption key of storage in routing device 210 to be encrypted the network signal of this side host-host protocol Network Based, then, secondary signal process chip 212 is modulated to the network signal of the side host-host protocol Network Based after encryption power line signal (as the power line signal based on HomePlug agreement) again.
The second encryption key arranging in routing device 210 can be disposed in routing device 210 when routing device 210 dispatches from the factory, and can be also its second encryption key that is obtained and stored by the information interaction with adapter 200.It should be noted that, second encryption key here can be identical with above-mentioned the first encryption key.
Embodiment tri-, routing device.This routing device can be wireless router, can be also cable router.Below in conjunction with Fig. 3, the routing device of the present embodiment is elaborated.
Routing device shown in Fig. 3 is connected respectively with network-termination device with power line, this routing device mainly comprises: the second power line interface 211, secondary signal process chip 212 and the 3rd signal processing chip 213, and the second power line interface 211 is connected respectively with power line and secondary signal process chip 212, and the 3rd signal processing chip 213 is connected with secondary signal process chip 212.The second power line interface 211, secondary signal process chip 212 and the 3rd signal processing chip 213 are concrete as the description in above-described embodiment two, are not repeated.
The algorithm providing at this and demonstration are intrinsic not relevant to any certain computer, virtual system or miscellaneous equipment.Various general-purpose systems also can with based on using together with this teaching.According to description above, it is apparent constructing the desired structure of this type systematic.In addition, the present invention is not also for any certain programmed language.It should be understood that and can utilize various programming languages to realize content of the present invention described here, and the description of above language-specific being done is in order to disclose preferred forms of the present invention.
In the specification that provided herein, a large amount of details have been described.Yet, can understand, embodiments of the invention can not put into practice in the situation that there is no these details.In some instances, be not shown specifically known method, structure and technology, so that not fuzzy understanding of this description.
Similarly, be to be understood that, in order to simplify the disclosure and to help to understand one or more in each inventive aspect, in the above in the description of exemplary embodiment of the present invention, each feature of the present invention is grouped together into single embodiment, figure or sometimes in its description.Yet, the method for the disclosure should be construed to the following intention of reflection: the present invention for required protection requires than the more feature of feature of clearly recording in each claim.Or rather, as reflected in claims below, inventive aspect is to be less than all features of disclosed single embodiment above.Therefore, claims of following embodiment are incorporated to this embodiment thus clearly, and wherein each claim itself is as independent embodiment of the present invention.
Those skilled in the art are appreciated that and can the module in the equipment in embodiment are adaptively changed and they are arranged in one or more equipment different from this embodiment.Module in embodiment or unit or assembly can be combined into a module or unit or assembly, and can put them into a plurality of submodules or subelement or sub-component in addition.At least some in such feature and/or process or unit are mutually repelling, and can adopt any combination to combine all processes or the unit of disclosed all features in this specification (comprising claim, summary and the accompanying drawing followed) and disclosed any method like this or equipment.Unless clearly statement in addition, in this specification (comprising claim, summary and the accompanying drawing followed) disclosed each feature can be by providing identical, be equal to or the alternative features of similar object replaces.
In addition, those skilled in the art can understand, although embodiment more described herein comprise some feature rather than further feature included in other embodiment, the combination of the feature of different embodiment means within scope of the present invention and forms different embodiment.For example, in the following claims, the one of any of embodiment required for protection can be used with compound mode arbitrarily.
All parts embodiment of the present invention can realize with hardware, or realizes with the software module moved on one or more processor, or realizes with their combination.It will be understood by those of skill in the art that and can use in practice microprocessor or digital signal processor (DSP) to realize according to the some or all functions of the system of the network-termination device access network based on power line of the embodiment of the present invention and some parts in routing device or whole parts.The present invention for example can also be embodied as, for carrying out part or all equipment or device program (, computer program and computer program) of method as described herein.Realizing program of the present invention and can be stored on computer-readable medium like this, or can there is the form of one or more signal.Such signal can be downloaded and obtains or provide at carrier signal from internet website, or provides with any other form.
It should be noted, above-described embodiment is that the present invention will be described rather than limits the invention, and those skilled in the art can design alternative embodiment in the situation that do not depart from the scope of claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and is not listed as element or step in the claims.Being positioned at word " " before element or " one " does not get rid of and has a plurality of such elements.The present invention can be by means of including the hardware of some different elements and realizing by means of the computer of suitably programming.In having enumerated the unit claim of some devices, several in these devices can be to carry out imbody by same hardware branch.The use of word first, second and C grade does not represent any order.Can be title by these word explanations.
Claims (10)
1. a method for the network-termination device access network based on power line, it comprises:
The network signal of the side host-host protocol Network Based that the adapter being connected respectively with the netting twine of power line and access network receives it from netting twine is modulated to power line signal, and the power line signal after described adapter is modulated transfers in power line;
The signal that the routing device being connected respectively with network-termination device with power line receives it from power line carries out filtering and rectification is processed the network signal that obtains side host-host protocol Network Based, and the network signal of side host-host protocol Network Based is converted to the network signal based on end side host-host protocol, the network signal based on end side host-host protocol after routing device is changed carries out signal transmission processing, and sends the network signal based on end side host-host protocol to network-termination device;
The network signal based on end side host-host protocol of described routing device self terminal equipment in future is converted to the network signal of side host-host protocol Network Based, the network signal of the side host-host protocol Network Based after routing device is changed is modulated to power line signal, and the power line signal after being modulated transfers in power line;
Described adapter receives it signal by power line carries out filtering and rectification is processed the network signal that obtains side host-host protocol Network Based, and the network signal of its acquisition is transferred in netting twine.
2. the method for claim 1, wherein described adapter and routing device have all been carried out code operations in advance.
3. the method for claim 1, wherein described power line is: the power line in home area or the power line in Administrative Area.
4. the method for claim 1, wherein described power line signal is the power line signal based on HomePlug agreement, and described network signal based on end side host-host protocol is the network signal based on IEEE802 agreement.
5. method as claimed in claim 1 or 2 or 3 or 4, wherein, the network signal of the side host-host protocol Network Based that described adapter receives it from netting twine is modulated to power line signal and comprises:
Described adapter utilizes the network signal of the side host-host protocol Network Based that the encryption key of its storage receives from netting twine it to be encrypted, and the network signal after encrypting is modulated to power line signal;
And the network signal of the side host-host protocol Network Based after described routing device is changed is modulated to power line signal and comprises:
Described routing device utilizes the network signal of the side host-host protocol Network Based after the encryption key of its storage is changed it to be encrypted, and the network signal after encrypting is modulated to power line signal.
6. a system for the network-termination device access network based on power line, it comprises: adapter and routing device;
Described adapter comprises: the cable interface of the first power line interface, access network and first signal process chip, described the first power line interface is connected respectively with first signal process chip with power line, and described cable interface is connected respectively with netting twine and the first signal process chip of access network;
Described first signal process chip is suitable for, and the network signal of the side host-host protocol Network Based that it is received by cable interface is modulated to power line signal, and the power line signal after being modulated transfers in power line by the first power line interface;
Described first signal process chip is also suitable for, the signal that it is received by the first power line interface carries out filtering and rectification is processed the network signal that obtains side host-host protocol Network Based, and the network signal of its acquisition is transferred in netting twine by cable interface;
Described routing device comprises: the second power line interface, secondary signal process chip and the 3rd signal processing chip, and described the second power line interface is connected respectively with power line and secondary signal process chip;
Described secondary signal process chip is suitable for, and the signal that it is received by the second power line interface carries out filtering and rectification is processed the network signal that obtains side host-host protocol Network Based;
Described the 3rd signal processing chip is suitable for, the network signal of the side host-host protocol Network Based that secondary signal process chip is obtained is converted to the network signal based on end side host-host protocol, network signal after being changed carries out signal transmission processing, and sends the network signal based on end side host-host protocol to network-termination device;
Described the 3rd signal processing chip is also suitable for, and the network signal based on end side host-host protocol of self terminal equipment is converted to the network signal of side host-host protocol Network Based in the future;
Described secondary signal process chip is also suitable for, and the network signal of the side host-host protocol Network Based after the 3rd signal processing chip conversion is modulated to power line signal, and the power line signal after being modulated transfers in power line by the second power line interface.
7. system as claimed in claim 6, wherein, described power line comprises: home area power line or Administrative Area power line.
8. the system as described in claim 6 or 7, wherein, this first signal process chip is specifically suitable for:
Utilize the encryption key of adapter storage to be encrypted the network signal of the side host-host protocol Network Based receiving by cable interface, network signal after encrypting is modulated to the power line signal based on HomePlug agreement, and the power line signal after being modulated transfers in power line by the first power line interface; And this secondary signal process chip is specifically suitable for:
The network signal of the Network Based side host-host protocol of the encryption key that utilizes routing device storage after to the 3rd signal processing chip conversion is encrypted, and the network signal after encrypting is modulated to the power line signal based on HomePlug agreement, the power line signal after being modulated transfers in power line by the second power line interface.
9. a routing device, it comprises: the second power line interface, secondary signal process chip and the 3rd signal processing chip;
Described the second power line interface is connected respectively with secondary signal process chip with power line, and described routing device is connected with adapter by described the second power line interface and power line, and described adapter is connected with the netting twine of access network;
Described secondary signal process chip is also connected with the 3rd signal processing chip, and described secondary signal process chip is suitable for, and the signal that it is received by the second power line interface carries out filtering and rectification is processed the network signal that obtains side host-host protocol Network Based;
Described the 3rd signal processing chip is suitable for, the network signal of the side host-host protocol Network Based that secondary signal process chip is obtained is converted to the network signal based on end side host-host protocol, network signal after being changed carries out signal transmission processing, and sends the network signal based on end side host-host protocol to network-termination device;
Described the 3rd signal processing chip is also suitable for, and the network signal based on end side host-host protocol of self terminal equipment is converted to the network signal of side host-host protocol Network Based in the future;
Described secondary signal process chip is also suitable for, the network signal of the side host-host protocol Network Based after the 3rd signal processing chip conversion is modulated to the power line signal based on HomePlug agreement, and the power line signal after being modulated transfers in power line by the second power line interface.
10. routing device as claimed in claim 9, wherein, described power line is: the power line in home area or the power line in Administrative Area.
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| CN201410329009.7A CN104079458A (en) | 2014-07-11 | 2014-07-11 | Power-line-based method and system for allowing network terminal device to have access to network and device |
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| CN201410329009.7A CN104079458A (en) | 2014-07-11 | 2014-07-11 | Power-line-based method and system for allowing network terminal device to have access to network and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113660309A (en) * | 2021-07-20 | 2021-11-16 | 国网天津市电力公司 | Ubiquitous power-based multi-system converged communication protocol adaptation system for Internet of things |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113660309A (en) * | 2021-07-20 | 2021-11-16 | 国网天津市电力公司 | Ubiquitous power-based multi-system converged communication protocol adaptation system for Internet of things |
| CN113660309B (en) * | 2021-07-20 | 2024-03-22 | 国网天津市电力公司 | Multi-system fusion communication protocol adaptation system based on ubiquitous power Internet of things |
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