Scaling power and control signals in modular satellite user terminals
Disclosed embodiments relate to modular antenna systems. In one example, an antenna system includes M user terminal elements, each being application-agnostic and including an antenna either to generate an incoming signal in response to incident satellite radio waves or to transmit an outgoing signal, and an active circuit to process the incoming and outgoing signals, a control circuit to control the processing performed by the M active circuits, and N user terminal modules (UTM) each including a daisy-chain of O of the M active circuits, each UTM further including a buffer placed after every P active circuits in order to correct any degradation that has occurred in the daisy-chain, and wherein M can be adjusted so that an antenna area and a corresponding throughput and bandwidth available to an application are adjustable and scalable.
1. A user terminal panel (UTP), the UTP comprising:
a first user terminal module (UTM), a plurality of secondary UTMs and a third UTM, each of the first UTM, the plurality of secondary UTMs and the third UTM comprising:
two or more user terminal elements (UTEs), each of the two or more UTEs comprising:
one or more antennas operable in a receiving mode or in a transmitting mode; and
one or more active circuits, the one or more active circuits configured to amplify and phase shift an analog signal received via the antenna, thereby generating a modified analog signal, the active circuit further configured to amplify and phase shift an analog signal transmitted via the antenna; and
a multi-level combiner circuit, the multi-level combiner circuit configured to combine the generated modified analog signal from each of the UTEs of the first UTM, the plurality of secondary UTMs and the third UTM into a one or more analog inputs or outputs;
a controller configured to send a digital control signal through a first coupling to the first UTM, the digital control signal configured to alter one or more properties of the analog signal of each of the one or more active circuits of the UTEs of the first UTM, the plurality of secondary UTMs and the third UTM;
wherein the first coupling is configured such that the controller is electronically coupled to the one or more active circuits of the UTEs of the first UTM, the one or more active circuits of the UTEs of the first UTM connected in series to the one or more active circuits of the UTEs of the plurality of secondary UTMs, and the one or more active circuits of the UTEs of the plurality of secondary UTMs connected in series to the one or more active circuits of the UTEs of the third UTM, the one or more active circuits of the UTEs of the third UTM electronically coupled to the controller;
wherein the controller is further configured to deliver a power signal through a second coupling to the first UTM, the power signal configured to power up the first UTM, the plurality of secondary UTMs and the third UTM; and
wherein the second coupling is configured such that the controller is electronically coupled to the first UTM, the first UTM is electronically coupled to the plurality of the secondary UTMs, and the plurality of the secondary UTMs is electronically coupled to the third UTM.
2. The user terminal panel of claim 1 , wherein each of the first UTM, the secondary plurality of UTMs and the third UTM has one or more buffers disposed between each of the UTM's active circuits, the buffers configured to correct degradation of the digital control signal.
3. The user terminal panel of claim 1 , wherein the second coupling is configured such that the controller is electronically coupled to the third UTM, the third UTM is electronically coupled to the plurality of secondary UTMs, and the plurality of secondary UTMs is electronically coupled to the first UTM.
4. The user terminal panel of claim 1 , wherein each of the first UTM, the secondary plurality of UTMs and the third UTM, further comprises an intra power distribution network,
the intra power distribution network configured to distribute power to the active circuits of the UTEs within each respective UTM.
5. The user terminal panel of claim 1 , wherein the UTP is configured to emit a radio frequency signal in a directional beam, and the controller is configured to send the digital control signal to the first UTM, the plurality of secondary UTMs and the third UTMs, altering the phase or amplitude of the analog signal processed by each UTE, thereby steering the directional beam.
6. The user terminal panel of claim 1 , wherein the UTEs of the first UTM, the plurality of secondary UTMs and the third UTM are configured to process analog signals in a target frequency range to match one or more frequency bands of a satellite.
7. The user terminal panel of claim 1 , wherein the UTEs of the first UTM, the plurality of secondary UTMs and the third UTM are configured to process signals of a similar polarization as to a target polarization for radio frequency signals transmitted to or received from a satellite.
8. The user terminal panel of claim 1 , wherein the UTEs of the first UTM, the plurality of secondary UTMs and the third UTM are detachably coupled to the UTMs via sub-miniature push-on (SMP) connectors.
9. The user terminal panel of claim 1 , wherein the UTEs of the first UTM, the plurality of secondary UTMs and the third UTM may be configured in various shapes of a rectangle, triangle, or hexagon.
10. The user terminal panel of claim 1 , wherein the controller is configured to receive a returned digital control signal from the third UTM, the returned digital control signal providing a status of the respective active circuits of the UTEs of the third UTM, the plurality of secondary UTMs and the first UTM.
11. A method for distributing power in a user terminal panel (UTP), the method comprising the operations of:
providing a first user terminal module (UTM), a plurality of secondary UTMs and a third UTM, each of the first UTM, the plurality of secondary UTMs and the third UTM comprising:
two or more user terminal elements (UTEs), each of the two or more UTEs comprising:
one or more antennas operable in a receiving mode or in a transmitting mode; and
one or more active circuits, the one or more active circuits configured to amplify and phase shift an analog signal received via the antenna, thereby generating a modified analog signal, the active circuit further configured to amplify and phase shift an analog signal transmitted via the antenna;
operating a multi-level combiner circuit, the multi-level combiner circuit configured to combine the generated modified analog signal from each of the UTEs of the first UTM, the plurality of secondary UTMs and the third UTM into a one or more analog inputs or outputs;
operating a controller to send a digital control signal through a first coupling to the first UTM, the digital control signal configured to alter one or more properties of the analog signal of each of the one or more active circuits of the UTEs of the first UTM, the plurality of secondary UTMs and the third UTM;
wherein the first coupling is configured such that the controller is electronically coupled to the one or more active circuits of the UTEs of the first UTM, the one or more active circuits of the UTEs of the first UTM connected in series to the one or more active circuits of the UTEs of the plurality of secondary UTMs, and the one or more active circuits of the UTEs of the plurality of secondary UTMs connected in series to the one or more active circuits of the UTEs of the third UTM, the one or more active circuits of the UTEs of the third UTM electronically coupled to the controller;
operating the controller to deliver a power signal through a second coupling to the first UTM, the power signal configured to power up the first UTM, the plurality of secondary UTMs and the third UTM; and
wherein the second coupling is configured such that the controller is electronically coupled to the first UTM, the first UTM is electronically coupled to the plurality of secondary UTMs, and the plurality of secondary UTMs coupled to the third UTM.
12. The method of claim 11 , wherein the second coupling is configured such that the controller is electronically coupled to the third UTM, the third UTM is electronically coupled to the plurality of secondary UTMs, and the plurality of secondary UTMs coupled to the first UTM.
13. The method of claim 11 , further comprising the operations of:
providing the power signal to power up the first UTM, the plurality of secondary UTMs and the third UTM;
transmitting the power signal from the controller to the first UTM in the amount equivalent to power up the first UTM, the plurality of secondary UTMs and the third UTM;
transmitting the power signal from the first UTM to the plurality of secondary UTMs in the amount equivalent to power up the plurality of secondary UTMs and the third UTM; and
transmitting the power signal from the plurality of secondary UTMs to the third UTM in the amount equivalent to power up the third UTM.
14. The method of claim 11 , wherein the controller is configured to transmit an amount of the power signal such that the power signal is able to power each of the first UTM, the plurality of secondary UTMs and the third UTM.
15. The method of claim 11 , wherein each of the first UTM, the secondary plurality of UTMs and the third UTM, further comprises an intra power distribution network, the intra power distribution network operating to distribute power to the one or more active circuits of the UTEs within each respective UTM.
16. A user terminal module (UTM), the UTM comprising:
two or more user terminal elements (UTEs), each of the two or more UTEs comprising:
one or more antennas operable in a receiving mode or in a transmitting mode; and
one or more active circuits, the one or more active circuits configured to amplify and phase shift an analog signal received via the antenna, thereby generating a modified analog signal, the one or more active circuits further configured to amplify and phase shift an analog signal transmitted via the antenna, wherein each of the one or more active circuits of the UTEs are connected in series; and
a controller electronically coupled to the one or more active circuits of the UTEs, wherein the controller is configured to send a digital control signal to the one or more active circuits of the UTEs; the digital control signal configured to alter one or more properties of the analog signal of each of the one or more active circuits of the UTEs, and wherein the controller is further configured to deliver a power signal to the one or more active circuits of the UTEs, the power signal configured to power up the one or more active circuits of the UTEs; and
an analog interface port receiving an input from a modem of a user device.
17. The user terminal module of claim 16 , wherein the UTM further comprises:
a combiner circuit configured to combine the generated modified analog signal from each of the UTEs into one or more analog inputs or outputs.
18. The user terminal module of claim 16 , wherein the UTM is integrated onto a single Printed Circuit Board (PCB).
19. The user terminal module of claim 16 , wherein each of the one or more active circuits of the UTEs is vertically disposed with respect to its respective antenna and wherein the analog signal from the one or more active circuits to the antenna is disposed through a vertical radio frequency transition.
20. The user terminal module of claim 16 , further comprising a modem and a digital interface to a user device.
21. The user terminal module of claim 20 , wherein the one or more UTEs, the controller, the modem, and the digital interface port are integrated onto a single Printed Circuit Board (PCB).
22. The user terminal module of claim 21 , wherein the UTM is a backup communication subsystem of the user device, and wherein the UTM is configured to transmit an outgoing analog signal toward a satellite upon receiving a trigger signal from the user device.