Patent ID: 8594133
Filing Date: 2013-11-26
Classification: H04J,H04L

Abstract:
1. A method for accurate reconstruction of a reference signal transmitted in a communications system between a master unit having a reference clock coupled to a master local oscillator and a remote unit having a remote local oscillator, the master and remote units connected by a limited bandwidth medium, the reference signal transmitted over the limited bandwidth medium together with a signal which is down-converted from an original high frequency signal to an intermediate frequency signal at the master unit and up-converted back into the original high frequency signal at the remote unit, the method comprising: generating the reference signal based on the reference clock; at the master unit, embedding the reference signal as a carrier of a management signal; transmitting the management signal with the embedded reference signal over the limited bandwidth medium to the remote unit; and at the remote unit, reconstructing the reference signal from the management signal, wherein embedding the reference signal as a carrier of a management signal comprises forming the management signal by modulating management data using an On-Off Keying modulation scheme.