PAPR reduction in a microwave backhaul outdoor unit
View Patent ↗Aspects of methods and systems for PAPR reduction in a microwave backhaul outdoor unit are provided.
1. A wireless backhaul system, comprising:
a subassembly configured to receive a first signal based on a wireless signal;
the subassembly comprises a first circuit and a second circuit;
the first circuit is configured to send one or more subbands of the received first signal as a second signal to the second circuit; and
the second circuit is configured to maintain a peak level of the second signal while increasing a root-mean-square (RMS) level of the second signal to reduce a peak-to-average-power ratio (PAPR) of the second signal, wherein the second circuit is configured to condition a reduced PAPR signal for wireless transmission.
2. The wireless backhaul system according to claim 1 , further comprising:
an indoor subsystem that is configured to provide the first signal to the subassembly.
3. The wireless backhaul system according to claim 2 , wherein the subassembly is part of an outdoor subsystem.
4. The wireless backhaul system according to claim 1 , wherein the subassembly is part of an outdoor subsystem.
5. The wireless backhaul system according to claim 1 , wherein one or both of the first circuit and the second circuit are part of an outdoor subsystem.
6. The wireless backhaul system according to claim 1 , wherein the first signal comprises an intermediate frequency (IF) signal.
7. The wireless backhaul system according to claim 6 , wherein the subassembly further comprises an analog-to-digital converter that is configured to convert the IF signal into a digital IF signal.
8. The wireless backhaul system according to claim 1 ,
wherein the first signal comprises a digitized L-band signal; and
wherein the first circuit is configured to select one or more subbands of the digitized L-band signal and to send the selected one or more subbands of the digitized L-band signal as the second signal to the second circuit.
9. The wireless backhaul system according to claim 1 , wherein the subassembly is mounted on an outdoor structure.
10. The wireless backhaul system according to claim 1 , further comprising:
a first antenna operatively coupled to the subassembly, wherein the wireless signal received via the first antenna.
11. The wireless backhaul system according to claim 10 , further comprising:
a second antenna, wherein the first antenna, the second antenna, and the subassembly are part of a repeater.
12. The wireless backhaul system according to claim 11 , wherein the repeater is configured to perform repeater functionality at a packet level.
13. The wireless backhaul system according to claim 10 , further comprising:
a second antenna, wherein the first antenna, the second antenna, and one or both of the first circuit and the second circuit are part of a repeater.
14. The wireless backhaul system according to claim 13 , wherein the repeater is configured to perform repeater functionality at a packet level.
15. The wireless backhaul system according to claim 1 , wherein the second circuit is configured to be disabled.
16. The wireless backhaul system according to claim 1 , wherein the second circuit is configured to be bypassed.
17. The wireless backhaul system according to claim 1 , wherein the second circuit is configured to be dynamically adapted based on link conditions.