Patent ID: 8718029

Claim:
An apparatus comprising: a first wireless communication protocol component configured to process, according to a first communication protocol, radio frequency (RF) signals; a circuit configured to process requests to access an antenna, the requests from a plurality of wireless communication protocols components including (i) the first wireless communication protocol component and (ii) a second wireless communication protocol component, wherein the second wireless communication protocol component is configured to process, according to a second communication protocol, RF signals, and wherein the circuit is further configured to cause a switch to provide the second wireless communication component with access to the antenna while the circuit is in a power saving mode of operation, upon the circuit exiting the power saving mode of operation, determine whether the second wireless communication component is utilizing the antenna, upon the circuit exiting the power saving mode of operation, apply a first set of arbitration rules for processing requests to access the antenna when it is determined that the second wireless communication component is utilizing the antenna, and upon the circuit exiting the power saving mode of operation, apply a second set of arbitration rules for processing requests to access the antenna when it is determined that the second wireless communication component is not utilizing the antenna; and a signal activity monitor configured to (i) monitor activity of the second wireless communication component with respect to the second wireless communication component utilizing the antenna including while the circuit is in the power saving mode of operation, and (ii) generate an output indicating whether the second wireless communication component is utilizing the antenna, wherein the circuit is configured to, upon exiting the power saving mode of operation, determine whether the second wireless communication component is utilizing the antenna based on the output of the signal activity monitor.