Method and device for implementation of adaptive frequency hopping by power spectral density

摘要

A wireless communication device is disclosed. The wireless communication device includes a frequency hopping communication circuit, a power spectral density circuit and a control circuit. The frequency hopping communication circuit includes a channel map. The frequency hopping communication circuit selects one of channel in a channel map to connect to another frequency hopping communication circuit according to the channel map. The power spectral density circuit for generating a power spectral density signal by measuring spectrums on all channels connected to the frequency hopping communication circuit. The control circuit receives the power spectral density and output statistical distribution data to the frequency hopping communication circuit. The frequency hopping communication circuit updates the channel map according to the statistical distribution data.

主权项

1. A wireless communication device, comprising:
a single antenna; a frequency hopping communication circuit switchably coupled to the single antenna and including a channel map for selecting a channel from a plurality of channels in turn according to the channel map to connect to a frequency hopping communication device; a power spectral density circuit switchably coupled to the single antenna, the power spectral density circuit for measuring spectra of a bandwidth when the frequency hopping communication circuit is idle according to a time-division multiplexing process involving the frequency hopping communication circuit and the power spectral density circuit, the spectra of the bandwidth comprising all the channels of the frequency hopping communication circuit to generate power spectral density data, the power spectral density data comprising an interference power curve comprising a defined magnitude of power per channel frequency for each point on the interference power curve, where the magnitudes of power above a predefined power magnitude threshold of the curve correspond to greater interference than the magnitudes of power below the predefined power magnitude threshold; and a control circuit, for updating the channel map according to the power spectral density data.