Multi-band remote communication board of wireless sensor network

Abstract

The invention relates to a multi-band remote communication board of a wireless sensor network. The multi-band remote communication board comprises a microprocessor module, a data acquisition module, aworking frequency band switching circuit module, a high frequency wireless transceiver module, a low frequency wireless transceiver module, a power amplifier circuit module, a low noise amplifying circuit module, an antenna and an antenna matching circuit; the working frequency band switching circuit module is in two-way connection with the microprocessor module and is used for selecting the switching between the high frequency wireless transceiver module and the low frequency wireless transceiver module; the high frequency wireless transceiver module and the low frequency wireless transceiver module are in two-way connection with the working frequency band switching circuit module separately, the high frequency wireless transceiver module and the low frequency wireless transceiver moduleare respectively connected with the power amplifier circuit module and the low noise amplifying circuit module, and the power amplifier circuit module and the low noise amplifying circuit module areconnected with the antenna and the antenna matching circuit. The multi-band remote communication board provided by the invention can be optimized according to national and regional frequency band regulations, data transmission rate, node power consumption and transmission distance to meet the requirements of various different applications.

Description

technical field [0001] The invention relates to the field of wireless sensor network communication, in particular to a wireless sensor network multi-band remote communication board. Background technique [0002] In recent years, the rapid development of the Internet of Things has attracted widespread attention from all walks of life, and will completely change our lives in the near future. Low-cost, low-power and low-speed wireless sensor networks are an important part and key enabler of the Internet of Things, which can well solve the two key issues that hinder large-scale deployment of the Internet of Things, cost and energy consumption. At present, IP technology occupies a dominant position in the communication network, and TCP / IPv6 provides the best solution to realize large-scale sensor monitoring and control services that can be seamlessly connected to the Internet. In addition, many IoT / wireless sensor network applications require long-distance wireless communication...

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Problems solved by technology

[0009] Products currently on the market do not have such a function. Therefore, the present invention has developed a multi-band remote communication board for the 6LoWPAN wireless sensor network for this requirement, which can easily switch operating frequencies and adapt to the frequency band regulations of various countries and regions. According to the needs of specific applications, select the appropriate transmission power and working frequency band to optimize the communication scheme, this case was born from this

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