BEAMFORMING AND/OR MIMO RF FRONT-END
First Claim
1. A radio frequency (RF) transmitter comprises:
- a baseband processing module;
an up conversion module; and
an RF front-end, wherein, when the RF transmitter is in an RF beamforming mode;
the baseband processing module is operably coupled to;
convert outbound data into an outbound symbol stream; and
convert an inbound symbol stream into inbound data;
the up conversion module is operably coupled to convert the outbound symbol stream into an up-converted signal;
the RF front-end is operably coupled to;
adjust coordinates of the up-converted signal to produce multiple adjusted up-converted signals;
amplify the multiple adjusted up-converted signals to produce multiple outbound RF signals; and
transmit the multiple outbound RF signals that combine in-air to produce an outbound beamformed RF signal; and
wherein, when the RF transmitter is in a multiple input multiple output (MIMO) mode;
the baseband processing module is operably coupled to;
convert the outbound data into a plurality of block encoded streams of outbound symbols; and
convert a plurality of streams of inbound block encoded symbols into the inbound data;
the up conversion module is operably coupled to convert the plurality of block encoded streams of outbound symbols into a plurality of up-converted signals;
the RF front-end is operably coupled to;
adjust coordinates of the plurality of up-converted analog signals to produce a plurality of adjusted up-converted signals;
amplify the plurality of adjusted up-converted signals to produce a plurality of outbound RF signals; and
transmit the plurality of outbound RF signals as an outbound MIMO RF signal.
6 Assignments
0 Petitions
Accused Products
Abstract
An RF front-end includes a transmit adjust module, a PA module, an antenna coupling circuit, a LNA module, and a receive adjust module. The transmit adjust module adjusts coordinates of up-converted analog signals when in a first transmit mode and adjusts coordinates of a plurality of up-converted analog signals when in a second transmit mode to produce to produce multiple adjusted up-converted signals and a plurality of adjusted up-converted signals, respectively, which are subsequently amplified by the PA module. The antenna coupling circuit provides the multiple or the plurality of outbound RF signals to at least some of a plurality of antennas depending on the transmit mode and provides multiple or a plurality of inbound RF signals at least some of the plurality of antennas to the LNA module based on a receive mode. The receive adjust module adjusts coordinates of the multiple or plurality of amplified inbound RF signals based on the receive mode.
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Citations
16 Claims
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1. A radio frequency (RF) transmitter comprises:
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a baseband processing module; an up conversion module; and an RF front-end, wherein, when the RF transmitter is in an RF beamforming mode; the baseband processing module is operably coupled to; convert outbound data into an outbound symbol stream; and convert an inbound symbol stream into inbound data; the up conversion module is operably coupled to convert the outbound symbol stream into an up-converted signal; the RF front-end is operably coupled to; adjust coordinates of the up-converted signal to produce multiple adjusted up-converted signals; amplify the multiple adjusted up-converted signals to produce multiple outbound RF signals; and transmit the multiple outbound RF signals that combine in-air to produce an outbound beamformed RF signal; and wherein, when the RF transmitter is in a multiple input multiple output (MIMO) mode; the baseband processing module is operably coupled to; convert the outbound data into a plurality of block encoded streams of outbound symbols; and convert a plurality of streams of inbound block encoded symbols into the inbound data; the up conversion module is operably coupled to convert the plurality of block encoded streams of outbound symbols into a plurality of up-converted signals; the RF front-end is operably coupled to; adjust coordinates of the plurality of up-converted analog signals to produce a plurality of adjusted up-converted signals; amplify the plurality of adjusted up-converted signals to produce a plurality of outbound RF signals; and transmit the plurality of outbound RF signals as an outbound MIMO RF signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A radio frequency (RF) front-end comprises:
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a transmit adjust module coupled to adjust coordinates of an up-converted analog signal when in a first transmit mode to produce multiple adjusted up-converted signals and to adjust coordinates of a plurality of up-converted analog signals when in a second transmit mode to produce a plurality of adjusted up-converted signals; a power amplifier module coupled to amplify the multiple adjusted up-converted signals when in the first transmit mode to produce multiple outbound RF signals and to amplify the plurality of adjusted up-converted signals when in the second transmit mode to produce a plurality of outbound RF signals; antenna coupling circuit operable to; provide the multiple outbound RF signals to two or more of a plurality of antennas when in the first transmit mode; provide the plurality of outbound RF signals to the two or more of the plurality of antennas when in the second transmit mode; provide multiple inbound RF signals from the two or more of the plurality of antennas to a low noise amplifier module when in a first receive mode; and provide a plurality of inbound RF signals from the two or more of the plurality of antennas to the low noise amplifier module when in a second receive mode; a low noise amplifier module coupled to amplify the multiple inbound RF signals to produce multiple amplified inbound RF signals when in the first receive mode and to amplify the plurality of inbound RF signals to produce a plurality of amplified inbound RF signals when in the second receive mode; and a receive adjust module coupled to adjust coordinates of the multiple amplified inbound RF signals when in the first receive mode to produce adjusted inbound RF signals and to adjust coordinates of the plurality of amplified inbound RF signals when in the second receive mode to produce a plurality of adjusted inbound RF signals. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification