Outphasing transmitters with improved wireless transmission performance and manufacturability
View Patent ↗An outphasing transmitter includes a decomposition block, first and second power amplifiers, and antennas in a phased array antenna panel. The decomposition block decomposes a composite input signal into first and second decomposed radio frequency (RF) signals. The first and second decomposed RF signals are coupled to the first and second power amplifiers respectively. First and second non-overlapping sub-arrays of the antennas may be uniquely associated with the first and second power amplifiers respectively. Alternatively, first and second groups of interleaved antenna rows may be uniquely associated with the first and second power amplifiers respectively. Alternatively, first and second random pluralities of the antennas may be randomly hard-wired to the first and second power amplifiers respectively. Alternatively, first and second pluralities of the antennas may be dynamically and selectably assigned to the first and second power amplifiers respectively.
1. An outphasing transmitter utilizing a phased array antenna panel, said outphasing transmitter comprising:
a decomposition block configured to decompose a composite input signal into a first decomposed RF signal and a second decomposed RF signal;
said first decomposed RF signal coupled to a first power amplifier;
said second decomposed RF signal coupled to a second power amplifier;
a first random plurality of antennas being randomly hard-wired to said first power amplifier;
a second random plurality of antennas being randomly hard-wired to said second power amplifier.
2. The outphasing transmitter of claim 1 , wherein said first random plurality of antennas is non-uniformly spaced.
3. The outphasing transmitter of claim 1 , wherein said second random plurality of antennas is non-uniformly spaced.
4. The outphasing transmitter of claim 1 , wherein said first decomposed RF signal and said second decomposed RF signal are constant amplitude signals.
5. An outphasing transmitter utilizing a phased array antenna panel, said outphasing transmitter comprising:
a decomposition block configured to decompose a composite input signal into a first decomposed RF signal and a second decomposed RF signal;
said first decomposed RF signal coupled to a first power amplifier;
said second decomposed RF signal coupled to a second power amplifier;
a first plurality of antennas being dynamically and selectably assigned to said first power amplifier;
a second plurality of antennas being dynamically and selectably assigned to said second power amplifier.
6. The outphasing transmitter of claim 5 , wherein said outphasing transmitter dynamically assigns said first plurality of antennas to said first power amplifier by at least one switch.
7. The outphasing transmitter of claim 5 , wherein said outphasing transmitter dynamically assigns said first plurality of antennas to said first power amplifier based upon a direction of an RF beam formed by said phased array antenna panel.
8. The outphasing transmitter of claim 5 , wherein said outphasing transmitter dynamically assigns said first plurality of antennas to said first power amplifier by referencing a lookup table.
9. The outphasing transmitter of claim 5 , wherein said outphasing transmitter dynamically assigns said first plurality of antennas to said first power amplifier in a random assignment.
10. The outphasing transmitter of claim 5 , wherein said outphasing transmitter dynamically assigns said second plurality of antennas to said second power amplifier by at least one switch.
11. The outphasing transmitter of claim 5 , wherein said outphasing transmitter dynamically assigns said second plurality of antennas to said second power amplifier based upon a direction of an RF beam formed by said phased array antenna panel.
12. The outphasing transmitter of claim 5 , wherein said outphasing transmitter dynamically assigns said second plurality of antennas to said second power amplifier by referencing a lookup table.
13. The outphasing transmitter of claim 5 , wherein said outphasing transmitter dynamically assigns said second plurality of antennas to said second power amplifier in a random assignment.
14. The outphasing transmitter of claim 5 , wherein said first decomposed RF signal and said second decomposed RF signal are constant amplitude signals.
15. The outphasing transmitter of claim 5 , wherein said outphasing transmitter dynamically assigns said first plurality of antennas in a first non-overlapping sub-array and dynamically assigns said second plurality of antennas in a second non-overlapping sub-array.
16. The outphasing transmitter of claim 5 , wherein said outphasing transmitter dynamically assigns said first plurality of antennas in a first group of interleaved antennas rows and dynamically assigns said second plurality of antennas in a second group of interleaved antennas rows.