Patent ID: 8811924

Claim:
A diversity receiver, comprising: a plurality of receiver circuits each configured to receive and process radio frequency signals; and a controller coupled to at least one of the plurality of receiver circuits, wherein the controller is configured to selectively activate and deactivate the at least one of the plurality of receiver circuits depending on a battery power, a channel estimator coupled to the at least on of the plurality of receiver circuits and configured to determine at least one channel estimation value for the received radio frequency signal, wherein the controller is coupled to the channel estimator and is configured to selectively activate and deactivate the at least one of the plurality of receiver circuits depending on the at least one channel estimation value; wherein a first plurality of receiver circuits forms a first group, and the channel estimator is coupled to the receiver circuits of the first group and is configured to determine channel estimation values for the radio frequency signals received at the first plurality of receiver circuits of the first group.