Patent ID: 6332072
Filing Date: 2001-12-18
Classification: H04B

Abstract:
A communication device comprising:a receiver section comprising a plurality of radio frequency (RF) input ports, a receiver, and a processor for determining a signal metric of an RF signal available on each input port of the plurality of RF input ports;an antenna system coupled to the plurality of RF input ports for coupling thereto the received RF signal, the antenna system comprising a plurality of antennas, wherein the plurality of antennas comprises:a first antenna for coupling a first RF signal to a first input port of the plurality of input ports;a second antenna for coupling a second RF signal to a second input port of the plurality of input ports; andwherein the processor determines a signal metric of each portion of a plurality of portions of the first RF signal, determines a signal metric of each portion of a plurality of portions of the second RF signal, compares each signal metric determination of the first RF signal with a signal metric determination of the second RF signal to produce a plurality of signal metric comparisons, compares each signal metric comparison of the plurality of signal metric comparisons to an imbalance threshold to produce a plurality of performance comparisons, and generates an error signal based on the plurality of performance comparisons.