Patent ID: 9450848
Filing Date: 2016-09-20
CPC Classification: H04L

Claim Text:
1. A first network device comprising: a modulation module configured to amplitude modulate or frequency modulate a data signal to generate a modulated signal; a transmit module configured to transmit an output signal based on the modulated signal; a front end module configured to obtain a phase of a point in a first cluster of index ratios, wherein each of the index ratios corresponds to a respective phase of a respective symbol period of the output signal, and wherein each of the index ratios is based on (a) a maximum amplitude of the output signal over the symbol periods, (b) a minimum amplitude of the output signal over the symbol periods, or (c) a mean of a plurality of amplitudes of the output signal over the symbol periods, wherein the plurality of amplitudes for each of the means includes a corresponding one of the maximum amplitudes and a corresponding one of the minimum amplitudes; and a phase module configured to adjust a phase of the output signal based on the phase of the point in the first cluster of index ratios.