Verfahren zur Demodulation unter Verwendung von automatischer Korrigierung einer spectralen Inversion sowie Vorrichtung

摘要

The method involves receiving, in receiver of a digital communication system, a known training sequence according to pi /2 binary phase shift keying (BPSK) or modulation phase shift keying (MDP2) type modulation. The sequence is demodulated, and a differential correlation is calculated on a set of N received samples and of N presumably sent samples to generate a result. The result is used to detect the start of a frame and a sign for controlling a spectral inversion in the received sequence. Independent claims are also included for the following: (1) a receiver for a digital communication system comprising a demodulator spectral inversion device (2) a digital communication system comprising a receiver comprising a demodulator spectral inversion device.