Patent ID: 8155613

Claim:
A MIMO phone having at least a first antenna and a second antenna, comprising: a first bandpass filter operatively coupled to a first low noise amplifier, wherein the first bandpass filter is operatively disposed between the first low noise amplifier and the first antenna; a second bandpass filter operatively coupled to a second low noise amplifier, wherein the second bandpass filter is operatively disposed between the second low noise amplifier and the second antenna; a phase shift adjuster operatively coupled to an RF combiner, wherein the phase shift adjuster is operatively disposed between the RF combiner and the second low noise amplifier, wherein the RF combiner combines a first RF analog signal output from the first low noise amplifier and a second RF analog signal output from the phase shift adjuster; a first processor operatively coupled to the RF combiner, wherein the first processor is configured to track time-wise clusters of multipath signals and to estimate a complex phase or an amplitude of the multipath signals in the signal clusters; and a baseband weight generator that receives information from the first processor and generates a phase control signal to the phase shift adjuster.