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A multi-frequency ad hoc network and communication method suitable for power line carrier communication system

A technology of power line carrier and communication system, which is applied in the direction of distribution line transmission system, wired transmission system, frequency division multiplexing system components, etc., and can solve the problems of low transmission efficiency, low reliability, and unstable performance. Achieve the effect of meeting business needs, flexible frequency use, and reducing network construction costs

Active Publication Date: 2021-09-03
GLOBAL ENERGY INTERCONNECTION RES INST CO LTD +3
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Problems solved by technology

[0006] In order to achieve the above requirements, the present invention provides a multi-frequency ad hoc network and a communication method suitable for power line carrier communication systems to solve the problems of low transmission efficiency, low reliability and unstable performance in existing power line communication systems

Method used

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  • A multi-frequency ad hoc network and communication method suitable for power line carrier communication system
  • A multi-frequency ad hoc network and communication method suitable for power line carrier communication system
  • A multi-frequency ad hoc network and communication method suitable for power line carrier communication system

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Embodiment Construction

[0070] The present invention proposes a multi-frequency ad hoc network and a communication method suitable for a power line carrier communication system, which supports uplink random access, active reporting, two-way interaction, intelligent copying and other services. The invention utilizes single-frequency equipment to realize multi-frequency networking, selects the optimal operating frequency according to the actual channel conditions of the nodes, increases the number of slave stations directly communicating with the master station, reduces the number of relays and the number of hops, and improves the network terminal to end-to-end latency and throughput performance.

[0071] The single-frequency device means that the device has only one receiving / transmitting module, and can only receive / transmit in one frequency at the same time, and the device can adjust the central frequency point and bandwidth of the receiving / transmitting frequency at different times.

[0072] Such a...

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Abstract

The present invention proposes a multi-frequency ad hoc network and a communication method suitable for a power line carrier communication system, including initialization of the power line carrier communication system and configuration of the operating frequency of the system; a node with a master station function searches the power line carrier communication network and judges according to the search result Whether to build a new network by yourself; enter the networking mode to build a multi-frequency and multi-hop power line carrier communication network; after the networking is completed, enter the regular communication mode to realize multi-frequency and multi-hop data communication between the master station and the slave station. This method supports multi-frequency and multi-hop communication, which plays an important role in improving the reliability of the power line carrier communication system, increasing the node access rate, and expanding the network coverage; and supports active reporting, two-way interaction and other intelligent power services, and can adapt to the power line carrier The future development direction of the communication network has a relatively broad application prospect.

Description

Technical field: [0001] The invention relates to a multi-frequency ad hoc network and a communication method, in particular to a multi-frequency ad hoc network and a communication method suitable for a power line carrier communication system. Background technique [0002] Due to the different link lengths, load conditions, and network branch conditions in different geographical locations, the channel attenuation of the power line carrier communication network shows frequency selectivity. In addition, the noise distribution of the power line carrier communication network is also different, and the noise also shows frequency selectivity. Frequency selective attenuation and frequency selective noise directly result in certain frequencies not being used properly in certain areas. In other words, the power line carrier communication network has the characteristics of frequency selectivity, and the optimal communication frequency of different links is different. [0003] In the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B3/54H04L12/44H04J1/02
CPCH04B3/544H04J1/02H04L12/44
Inventor 安春燕李建岐赵勇李超陶锋杨会峰曹勇敢
Owner GLOBAL ENERGY INTERCONNECTION RES INST CO LTD
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