Patent ID: 7177362

Claim:
An apparatus for resolution of phase ambiguity, wherein the apparatus is adaptively used in various types of data communication system including a burst mode communication and a continuous mode communication and various modulation types, said apparatus comprising: coding means for receiving source data and generating coded data by encoding the source data in order to correct error; modulation means for receiving the coded data from the coding means and generating modulated signal by modulating the coded data; demodulation means for receiving the modulated signal, detecting a modulation type information from the modulated signal and generating demodulated data by demodulating the modulated signal; phase ambiguity detection means for receiving the demodulated data and the modulation type information, and detecting a phase ambiguity value from the demodulated data based on a frame synchronization information; phase ambiguity elimination means for receiving the phase ambiguity value and the demodulated data, and generating a phase ambiguity eliminated data by inverting the phase ambiguity value and multiplying the inverted phase ambiguity value and the demodulated data; and decoding means for receiving the phase ambiguity eliminated data and decoding the phase ambiguity eliminated data in order to correct error in the phase ambiguity eliminated data.