In order to time track an incoming signal, a receiver demodulates a first instance of a signal to produce a first set of energy values corresponding to a set of possible data values of the signal. The receiver also demodulates a second instance of the signal to produce a second set of energy values corresponding...http://www.google.de/patents/US20020024991?utm_source=gb-gplus-sharePatent US20020024991 - Method and apparatus for time tracking
