Software wireless technology-based heterogeneous network experimental device
A technology of software radio and heterogeneous network, which is applied in the direction of network interconnection, electrical components, data exchange through path configuration, etc., can solve the problems of numerous devices, complex implementation, inability to meet efficient interconnection and heterogeneous network teaching, and achieve Reduce the difficulty of construction, improve performance, and enrich the teaching content
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[0024] The specific embodiment of the present invention is a heterogeneous network experimental device, including wireless sensor network, wireless local area network, FM broadcasting network, Internet, and the experimental framework is as follows: figure 1 shown. Devices include wireless sensor nodes, USRP (Universal Software Defined Radio Peripheral) hardware with GNU Radio software, FM radios, and personal computer systems on the Internet. Among them, USRP hardware and GNU Radio software constitute a general gateway node, USRP hardware is the front-end hardware device, and GNU Radio is the back-end software module. USRP hardware is composed of front-end radio frequency module, ADC / DAC module, and FPGA module. The back-end software module runs on a general-purpose computer. Data is transmitted between USRP hardware and GNU Radio software through the USB2.0 wired standard. The module structure is as follows: figure 2 shown. The wireless sensor node is based on a general t...
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