US 8,369,807 B2 · Polar-based RF receiver

Abstract

A receiver includes a frequency translation bandpass filter (FTBPF) and an RF receiver section. The RF receiver section includes an amplifier section, a phase information detection module, an amplitude information detection module, and analog to digital conversion (ADC) modules. The FTBPF is operable to filter an inbound radio frequency (RF) signal to produce a filtered inbound RF signal. The amplifier section is operable to amplify the filtered inbound RF signal to produce an amplified inbound RF signal. The phase information detection module, when enabled, is operable to determine phase information from the amplified inbound RF signal. The amplitude information detection module, when enabled, is operable to determine amplitude information from the amplified inbound RF signal. A first one of the ADCs is operable to convert the phase information into digital phase information and a second one of the ADCs is operable to convert the amplitude information into digital amplitude information.

Claims21

Dependent claims

A receiver comprises:

a frequency translation bandpass filter (FTBPF) operable to filter an inbound radio frequency (RF) signal to produce a filtered inbound RF signal;
and
an RF receiver section that includes:
an amplifier section operable to amplify the filtered inbound RF signal to produce an amplified inbound RF signal;
a phase information detection module, when enabled, operable to determine phase information from the amplified inbound RF signal;
an amplitude information detection module, when enabled, operable to determine amplitude information from the amplified inbound RF signal;
a first analog to digital conversion module, when enabled, operable to convert the phase information into digital phase information;
and
a second analog to digital conversion module, when enabled, operable to convert the amplitude information into digital amplitude information.

6 more elements

A transceiver comprises:

a front end module operable to:
receive, from an antenna assembly, a radio frequency (RF) signal to produce an inbound RF signal;
and
transmit, via the antenna assembly, an outbound RF signal;
a surface acoustic wave (SAW)-less RF transmitter section operable to convert an outbound symbol stream into the outbound RF signal;
and
a SAW-less RF receiver section that includes:
an amplifier section operable to amplify an inbound RF signal to produce an amplified inbound RF signal;
a modulation offset information detection module, when enabled, operable to determine modulation offset information from the amplified inbound RF signal;
an amplitude information detection module, when enabled, operable to determine amplitude information from the amplified inbound RF signal;
a first analog to digital conversion module, when enabled, operable to convert the modulation offset information into digital modulation offset information;
and
a second analog to digital conversion module, when enabled, operable to convert the amplitude information into digital amplitude information.

10 more elements

A radio frequency (RF) receiver section comprises:

an amplifier section operable to amplify an inbound RF signal to produce an amplified inbound RF signal;
a modulation offset information detection module, when enabled, operable to determine modulation offset information from the amplified inbound RF signal;
an amplitude information detection module, when enabled, operable to determine amplitude information from the amplified inbound RF signal;
a first analog to digital conversion module, when enabled, operable to convert the modulation offset information into digital phase information;
and
a second analog to digital conversion module, when enabled, operable to convert the amplitude information into digital amplitude information.

3 more elements

Dependencies are inferred from the claim text.

Polar-based RF receiver

Life of this patent

Polar-based RF receiver

Life of this patent

Abstract

Claims21