Power line carrier system based on path cognition and networking method thereof

1. Based on route of the cognitive power line carrier system, characterized in that comprises a main carrier equipment, several from the carrier apparatus and a plurality of backup path carrier equipment, the main carrier equipment through the wired transmission network is connected with the electric system, the backup path carrier device through a wireless communication network is connected with the electric system; the main carrier equipment, several from the carrier apparatus and a plurality of backup path carrier equipment are connected to the power line;

The main carrier equipment the upload route for forwarding data, the device is used to from a carrier according to the communication link state to the backup path carrier equipment sending backup authentication, the backup path carrier apparatus is used in the main carrier equipment of the invalid or the uplink channel when the main-carrier equipment failure, the backup authentication number according to the received from a number of backup path carrier equipment selection a backup path in the carrier device to switch the main carrier equipment, for path switching.

2. Based on path of the cognitive power line carrier system according to Claim 1, characterized in that the main carrier of the processor is loaded with carrier analog circuit control unit, an authentication unit, carrier network address management unit and the active/standby state monitoring unit, the carrier of the processor from the loading with an authentication unit and the link communication state monitoring unit, the backup path on the carrier of the processor loading with an authentication unit and the backup main carrier reccomended unit;

The carrier analog circuit control unit is used for the main-carrier equipment control the analog front end for data of the analog-to-digital conversion and the modulation/demodulation;

The main carrier equipment authentication unit is used for the main carrier equipment periodically sending network access authentication data frame, receiving and from the carrier equipment or a backup path states into the net carrier apparatus according to the authentication data frame is transmitted with an access request, and return to the authentication response, the network until all the required authentication completion of the carrier device forming a carrier network;

The from the carrier equipment or the backup path carrier equipment used for the authentication unit of the data frame according to the authentication states into the net , to the main carrier equipment sends access request, and receives the returned authentication response;

The carrier network address management unit is used for the main-carrier device collects the carrier network MAC address of each carrier equipment, and with the carrier assigns a network address MAC address bindings of the apparatus, after under will be assigned to the network address of the network equipment or from a carrier in the backup path carrier equipment, recording the carrier network carrier equipment and address list is sent to all the backup route carrier equipment;

The link communication state monitoring unit from the carrier equipment used for the backup path carrier apparatus in accordance with the communication link between the strength of carrier signal on the communication link state, and to the best communication link the backup route carrier equipment backup authentication;

The slaving state monitoring unit is used for the main carrier equipment through self-perception to the upper channel is invalid or when the master-slave switching process is started, and to backup path carrier apparatus broadcast transmitting main and standby state switching command;

The backup main carrier reccomended unit is used for a backup path according to the received carrier equipment states the host to prepare state switching command, choose to receive backup authentication the carrier the device activates the backup path for the current main-carrier device.

3. Based on path of the cognitive power line carrier system according to Claim 2, characterized in that the main carrier equipment, several from the carrier apparatus and a plurality of backup path carrier apparatus is the same as the internal hardware structure of the carrier apparatus, comprises a processor, memory, power supply module, the Ethernet chip, analog front-end and a device interface, said processor is respectively connected with the memory, a power supply module, is connected with the front end and the analog Ethernet chip, the device interface comprise a power supply interface, configuration interface, data interface, network interface, with the said power supply interface is connected with a power supply module, the network interface with the Ethernet chip is connected, the configuration interface connected with the processor, the data interface and the analog front end is connected.

4. Or 2 or 3 wherein the path-based cognitive power line carrier system according to Claim 1, characterized in that the main carrier equipment in particular by optical fiber transmission network is connected with the electric system.

5. Based on path of the cognitive power line carrier system according to Claim 4, characterized in that the main carrier equipment through the network interface is connected with the optical fiber transmission network, the backup path carrier equipment through the network interface is connected with the wireless communication network.

6. Based on path of the cognitive power line carrier system according to Claim 5, characterized in that the network interface in particular to RJ45 network interface.

7. One or 2 or 3 of the cognitive route-based networking method of power line carrier system according to Claim 1, characterized in that comprises:

The main carrier equipment periodically sending network access authentication data frame, the from the carrier equipment or the backup path states into the net carrier apparatus according to the authentication data frame, to the main carrier equipment sends the access request, the main carrier device receives the states into the net request, and return to the authentication response, the network until all the required authentication completion of the carrier device forming a carrier network;

The main carrier device collects the carrier network MAC address of each carrier equipment, and with the carrier assigns a network address MAC address bindings of the apparatus, after the network address will be assigned to the carrier network in the from the carrier equipment or backup path carrier equipment, recording the carrier network carrier equipment and address list is sent to all the backup route carrier equipment;

From the carrier device in accordance with the backup path of a communication link between the carrier device of the carrier signal strength on the communication link state, and to the best communication link the backup route carrier equipment backup authentication;

When the main carrier equipment through self-perception to the uplink channel when the valid or, master-slave switching process is started, and to backup path carrier apparatus broadcast transmitting main and standby state switching command;

The backup path according to the received carrier equipment states the host to prepare state switching command, choose to receive backup authentication the carrier the device activates the backup path for the current main-carrier device.

8. Cognitive of the path-based networking method of power line carrier system according to Claim 7, characterized in that the stated from the carrier equipment or the backup path states into the net carrier apparatus according to the authentication data frame, to the main carrier equipment sends the access request, the main carrier device receives the states into the net request, and return to the authentication response, specifically comprising:

The from the carrier equipment or the backup path carrier apparatus according to the authentication data frame states into the net , interception line data, waiting for the channel idle time, to the main carrier equipment to send the authentication request message;

The main carrier equipment receiving the authentication request message, waiting for the channel idle time, sending the authentication request message confirmation information;

The from the carrier equipment or the backup path carrier equipment receives the authentication request a confirmation message, and sends its authentication information message;

The main carrier device after receipt of the authentication information message, confirmation message to return to the authentication information, the authentication procedure is completed.

9. Cognitive of the path-based networking method of power line carrier system according to Claim 7, characterized in that said main carrier device collects the carrier network MAC address of each carrier equipment, and with the carrier assigns a network address MAC address bindings of the apparatus, after the network address will be assigned to the carrier network in the from the carrier equipment or backup path carrier equipment, specifically comprising:

Backup path from the carrier device or carrier device to a host carrier equipment sends the address request message, wherein said address request message includes the MAC address of the carrier device;

The main carrier equipment receives the address request message, and distribution network address with the carrier equipment MAC address bindings of, sending the message to the address allocation information from the carrier equipment or backup path carrier equipment, wherein in the address allocation information message containing the assigned network address;

From the carrier equipment or backup path carrier equipment receives the address assignment information message, return address confirmation information message;

The main carrier equipment receives the address confirmation information message, and return to the address confirmation message response, complete address allocation.

10. Cognitive of the path-based networking method of power line carrier system according to Claim 7, characterized in that from the carrier device in accordance with the backup path of a communication link between the carrier device of the carrier signal strength on the communication link state, and to the best communication link the backup route carrier equipment backup authentication, comprising:

The carrier device receives from the backup path is a communication link between the carrier device of the carrier on the analog signal level, recording nearly 3 times the level A1, A2, A3 as a weighting calculation, the results of the rounding A takes the weighting calculate the signal strength level of the communication link I, the I= = [A1 × 1/6 + A2 × 1/3 + A3 × 1/2];

From the carrier equipment selection signal intensity level corresponding to the highest communication link the backup route carrier equipment as the best communication link the backup route carrier equipment, and to the backup path carrier equipment initiates backup authentication.