Apparatus and method for digitizing and detecting a received radio frequency signal

Claim 3

The method of claim 1, wherein the signal quality measurement comprises a carrier to noise measurement.

Claim 4

The method of claim 1, further comprising frequency downconverting a received signal to produce at least one of the first and second radio frequency signals.

Claim 5

The method of claim 1, further comprising downconverting at least one of the first and second digitized signals prior to performing one of the first and second signal quality measurements.

Claim 6

The method of claim 1, further comprising processing the selected digitized signal.

Claim 9

The method of claim 6, further comprising the steps of: comparing the first signal quality measurement to a threshold; and processing the first digitized signal when the first signal quality measurement exceeds the threshold.

Claim 10

The method of claim 6, further comprising the steps of: comparing the second signal quality to a threshold; and processing the second digitized signal when the second signal quality measurement exceeds the threshold.

Claim 13

The apparatus of claim 9, wherein the signal quality measurement comprising a carrier to noise measurement.

Claim 14

The apparatus of claim 9, further comprising a RF downconverter frequency downconverting a received signal to produce at least one of the first and second radio frequency signals.

Claim 15

The apparatus of claim 9, further comprising a digital downconverter responsive to at least one of the first and second analog to digital converters.

Claim 16

The apparatus of claim 12, wherein the digital downconverter includes a numerically controlled oscillator.

Claim 17

A multichannel radio frequency (RF) receiver comprising: a first digitizer digitizing a first received multicarrier RF signal at a first clock rate to produce a first digitized signal; a second digitizer digitizing a second receiver multicarrier RF signal at a second clock rate to produce a second digitized signal; a first digital downconverter responsive to the first digitizer, the first digital downconverter receiving the first digitized signal and producing a first digitally downconverted signal; a first clock source coupled to the first digitizer and the first digital downconverter; a second digital downconverter responsive to the second digitizer, the second digital downconverter receiving the second digitized signal and producing a second digitally downconverted signal; a second clock source counted to the second digitizer and the second digital downconverter; and a channel processor responsive to the first and second digital downconverters.

Claim 18

A multichannel radio frequency (RF) receiver comprising: a first digitizer digitizing a first received multicarrier RF signal at a first clock rate to produce a first digitized signal; a second digitizer digitizing a second receiver multicarrier RF signal at a second clock rate to produce a second digitized signal; a first digital downconverter responsive to the first digitizer, the first digital downconverter receiving the first digitized signal and producing a first digitally downconverted signal; a first clock source coupled to the first digitizer and the first digital downconverter; a second digital downconverter responsive to the second digitizer, the second digital downconverter receiving the second digitized signal and producing a second digitally downconverted signal; a second clock source counted to the second digitizer and the second digital downconverter; and a channel processor responsive to the first and second digital downconverters.

Claim 19

The multichannel receiver of claim 14, further comprising a plurality of digitizers and a first plurality of digital downconverters.

Claim 20

The multichannel receiver of claim 15, further comprising a plurality of receiver circuits coupled to the first plurality of digitizers.

Claim 21

The multichannel receiver of claim 16, further comprising a plurality of antennas coupled to the first plurality of digitizers.