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Abstract

The present invention provides a transceiver which does not lose synchronization upon a transition from a non-precoded communication mode to a precoded communication mode and minimizes phase drift. A transceiver unit outputs a signal representing the phase of a received signal, and that possesses a controllable sampling rate. The transceiver is coupled to a phase reference selector and a timing control system. Upon a transition between communication modes, an adaptation period is initiated. The phase reference selector captures the phase estimate immediately prior to termination of the adaptation period, outputting a predetermined phase reference until such termination, at which point the stored phase estimate is outputted. The timing control system minimizes the difference between the phase estimate and the output of the phase reference selector by altering the sampling rate, except during the adaptation period, during which the sampling rate is held constant.

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First Claim