CDMA power control-based MAC protocol applicable to underwater acoustic sensor network
An underwater acoustic sensor and power control technology, applied in power management, transmission systems, electrical components, etc., can solve problems such as lowering communication quality, and achieve high network throughput and high transmission success rate
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[0046] The present invention provides a kind of MAC agreement based on CDMA power control that is applicable to underwater acoustic sensor network, and the steps are as follows:
[0047] S1, sensor node random access channel;
[0048] What the present invention adopts is the topology structure of the star aggregation network, that is, there are a plurality of sensor nodes and a convergence node to send data packets at the bottom of the water, such as figure 1 As shown, the sink node is located in the center of the network distribution area, the sensor nodes in the network are randomly distributed around the sink node, and the generation of sensor node data packets satisfies the Poisson distribution;
[0049] S2. The sink node measures the background noise when the channel is idle, and then uses a distributed power control algorithm based on SINR balance according to the number of all sensor nodes at the bottom of the water and their initial transmission power, and uses an iter...
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