Method and apparatus for beam steering and switching
Systems, methods, and apparatus for beam steering and switching are disclosed. In one or more examples, a method for operating a communication system comprises switching, at least one switch in a rearrangeable switch network, to control input levels to power amplifiers in a power distribution network. The method further comprises outputting, by the power amplifiers in the power distribution network, power to a plurality of antenna elements. Further, the method comprises steering and distributing power, by the antenna elements, in beams associated with each of the antenna elements according to a level of the power in each of the antenna elements.
1. A communication system, comprising:
a transceiver module;
a rearrangeable switch network comprising output ports and coupled to the transceiver module;
a power distribution network coupled to the output ports of the rearrangeable switch network, the power distribution network comprising a plurality of power amplifiers, wherein the power distribution network is a multi-port amplification (MPA) matrix comprising:
a first set of hybrid couplers;
a second set of hybrid couplers coupled to the plurality of antenna elements; and
a power amplifier bank connected to the first set of hybrid couplers and the second set of hybrid couplers, wherein the power amplifier bank includes the plurality of power amplifiers; and
a plurality of antenna elements, each coupled to the power distribution network.
2. The communication system of claim 1 , wherein the rearrangeable switch network further comprises a Benes network.
3. The communication system of claim 1 , wherein the rearrangeable switch network further comprises one of C-switches, R-switches, T-switches, or cross-bar switches.
4. The communication system of claim 1 , further comprising a bank of level control drivers connected to the rearrangeable switch network.
5. The communication system of claim 1 , wherein the first set of hybrid couplers and the second set of hybrid couplers both comprise ninety-degree hybrid couplers.
6. The communication system of claim 1 , wherein the first set of hybrid couplers and the second set of hybrid couplers each comprise M number of inputs and M number of outputs, wherein M is an integer.
7. The communication system of claim 1 , wherein the plurality of power amplifiers are high power amplifiers (HPAs).
8. The communication system of claim 7 , wherein the HPAs are one of traveling wave tube amplifiers (TWTAs) or solid state power amplifiers (SSPAs).
9. The communication system of claim 1 , wherein the power amplifier bank comprises at least one redundant power amplifier.
10. The communication system of claim 1 , wherein at least one of the antenna elements transmits or receives electromagnetic (EM) signals in beams.
11. The communication system of claim 10 , wherein the electromagnetic signals comprise at least one of L-band, S-band, C-band, X-band, Ku-band, Ka-band, or Q/V-band frequencies.
12. The communication system of claim 1 , wherein the plurality of antenna elements are phased-array antenna elements.
13. The communication system of claim 1 , wherein the plurality of antenna elements comprise at least one metamaterial (MTM).
14. The communication system of claim 1 , wherein the communication system is employed in one of a satellite or a cellular base station.
15. The communication system of claim 14 , wherein the satellite is one of a low earth orbit (LEO) satellite, a medium earth orbit (MEO) satellite, or a geosynchronous earth orbit (GEO) satellite.
16. A communication system comprising:
a transceiver module;
level control drivers coupled to the transceiver module;
a switch network coupled to the level control drivers, the switch network having M number of input ports and M number of output ports, wherein M is an integer;
a power distribution network having M number of input ports and M number of output ports, the input ports of the power distribution network coupled to the output ports of the switch network, the power distribution network having a plurality of power amplifiers and hybrid couplers; and
a plurality of antenna elements directly coupled to the power distribution network, wherein each output of the plurality of power amplifiers corresponds to a single one of the plurality of antenna elements.