Self-adaptive monitor matching anti-interference method of wireless sensor network
A wireless sensor, self-adaptive technology, applied in the direction of network topology, wireless communication, advanced technology, etc., can solve the problems of data packet loss, error monitoring, etc., and achieve the effect of avoiding large energy consumption and high receiving packet loss rate
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[0025] The specific embodiments of the present invention will be further described below in conjunction with the drawings.
[0026] In practical applications of the present invention, a zero-IF receiver is generally used for wireless sensor network communication. The local oscillator of the zero-IF receiver has the same frequency as the useful RF channel, so that the IF frequency of the receiver is zero, completely eliminating image interference. When the receiver is awakened, there will be a very short time RSSI channel sampling. Using RSSI high-speed sampling detection, the time to obtain the RSSI sample value is very short, usually the inverse of the baud rate. High data rate can not only reduce the time of data transmission, but also save the energy consumption of monitoring. The invention is suitable for occasions where the electromagnetic environment is complicated, the load is low, and the requirements for delay and throughput performance are not high. Because adaptive wa...
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