Repeater system and method for high-performance communication
A repeater system includes a first repeater device to receive a first beam of radio frequency (RF) signal from a first network node, and a second repeater device to receive a second beam of RF signal from the first network node. The first repeater device synchronizes and controls the second repeater device to concurrently provide the first beam and the second beam of RF signal to a second network node. A plurality of measurements associated with network nodes and repeater devices is acquired. A plurality of signal parameters is selected at the first and second repeater devices for a first beam and a second beam of RF signal, respectively, such that a cross-leakage of first beam on the second beam of RF signal and vice-versa at the second network node is reduced and the gain and a phase of first beam and the second beam of RF signal is adjusted.
1. A repeater system, comprising:
a first repeater device configured to receive a first beam of radio frequency (RF) signal from a first network node;
a second repeater device configured to receive a second beam of RF signal from the first network node,
wherein the first repeater device is configured to:
transmit the first beam of RF signal and the second beam of RF signal to a second network node;
select a plurality of signal parameters at the first repeater device and the second repeater device for the first beam of RF signal and the second beam of RF signal respectively, based on a plurality of measurements such that a cross-leakage of the first beam of RF signal on the second beam of RF signal and vice-versa at the second network node is reduced,
wherein the plurality of measurements are associated with at least one of the first network node, the second network node, the first repeater device, or the second repeater device; and
maximize a signal-to-noise ratio (SNR) of the first beam of RF signal and the second beam of RF signal at the second network node based on the selected plurality of signal parameters.
2. The repeater system according to claim 1 , wherein the plurality of measurements comprises the SNR of the first beam of RF signal and the second beam of RF signal at the second network node, a channel impulse response corresponding to the first beam of RF signal and the second beam of RF signal at the second network node, a cross-leakage between the first beam of RF signal and the second beam of RF signal measured at the second network node, an absolute signal power corresponding to the first beam of RF signal and the second beam of RF signal at the second network node, required SNR values depending on a modulation-coding-scheme used for the first beam of RF signal and the second beam of RF signal, a first SNR value for the first beam of RF signal received at the first repeater device, and a second SNR value for the second beam of RF signal received at the second repeater device.
3. The repeater system according to claim 1 , wherein the plurality of measurements are acquired based on in-band communication between the first repeater device and each of the first network node, the second network node, and the second repeater device.
4. The repeater system according to claim 1 , wherein the plurality of measurements are acquired based on out-of-band communication between the first repeater device and each of the first network node, the second network node, and the second repeater device.
5. The repeater system according to claim 1 , wherein the first beam RF signal carry a first data stream and the second beam RF signal carry a second data stream, and wherein the first data stream and the second data stream are identical.
6. The repeater system according to claim 1 , wherein the first beam RF signal carry a first data stream and the second beam RF signal carry a second data stream, and wherein the first data stream is different from the second data stream.
7. The repeater system according to claim 1 , wherein the first beam of RF signal carrying a first data stream is received from the first network node in a first polarization type and re-transmitted to the second network node in a second polarization type that is different than the first polarization type.
8. The repeater system according to claim 1 , wherein the second beam of RF signal carrying a second data stream is received from the first network node in a first polarization type and re-transmitted to the second network node in a second polarization type that is different than the first polarization type.
9. The repeater system according to claim 1 , wherein the first repeater device is further configured to establish an additional link with the second repeater device by which a first data stream carried by the first beam of RF signal is provided to the second network node through the first repeater device as well as the second repeater device, and a second data stream carried by the second beam of RF signal is further provided to the second network node concurrent to the first data stream via the second repeater device.
10. The repeater system according to claim 1 , wherein the first repeater device comprises a first receiving antenna array and a first transmitting antenna array, and wherein the second repeater device comprises a second receiving antenna array and a second transmitting antenna array.
11. The repeater system according to claim 1 , wherein the first repeater device and the second repeater device are mounted on a vehicle, and wherein the first repeater device in synchronization to the second repeater device are configured to select one or more beamforming schemes to illuminate space inside the vehicle such that both an uplink and a downlink communication is established between the first network node and a user device corresponding to a second communication node within the vehicle.
12. The repeater system according to claim 11 , wherein the first repeater device and the second repeater device are mounted on a vehicle, and wherein at least one of the first repeater device and the second repeater device is further configured to be activated or deactivated based on a visibility status to the first network node when the vehicle in in motion.
13. The repeater system according to claim 12 , wherein each of the first repeater device and the second repeater device is further configured to determine a plurality of criteria when the vehicle is in motion, and wherein one of the first repeater device and the second repeater device is activated or deactivated based on the determined plurality of criteria when the vehicle is in motion.
14. The repeater system according to claim 1 , wherein each of the first repeater device and the second repeater device is further configured to detect a change in a surrounding environment and/or a network traffic demand within a corresponding cell, wherein the first repeater device is further configured to update an assignment or a re-assignment of a plurality of other repeater devices to the first network node or the second network node based on the detected change in the surrounding environment and/or the network traffic demand.
15. A method implemented in a repeater system, the method comprising:
receiving, by a first repeater device of the repeater system, a first beam of radio frequency (RF) signal from a first network node;
receiving, by a second repeater device of the repeater system, a second beam of RF signal from the first network node; and
controlling, by the first repeater device, the second repeater device for:
transmitting the first beam of RF signal and the second beam of RF signal to a second network node;
selecting a plurality of signal parameters at the first repeater device and the second repeater device for the first beam of RF signal and the second beam of RF signal respectively, based on a plurality of measurements such that a cross-leakage of the first beam of RF signal on the second beam of RF signal and vice-versa at the second network node is reduced,
wherein the plurality of measurements are associated with at least one of the first network node, the second network node, the first repeater device, or the second repeater device; and
maximizing a signal-to-noise ratio (SNR) of the first beam of RF signal and the second beam of RF signal at the second network node based on the selected plurality of signal parameters.
16. The method according to claim 15 , wherein the first beam RF signal carry a first data stream and the second beam RF signal carry a second data stream, and wherein the first data stream and the second data stream are identical.
17. The method according to claim 15 , wherein the first beam RF signal carry a first data stream and the second beam RF signal carry a second data stream, and wherein the first data stream is different from the second data stream.
18. The method according to claim 15 , further comprising establishing, by the first repeater device, an additional link with the second repeater device by which a first data stream carried by the first beam of RF signal is provided to the second network node through the first repeater device as well as the second repeater device, and a second data stream carried by the second beam of RF signal is further provided to the second network node concurrent to the first data stream via the second repeater device.
19. The method according to claim 15 , further comprising:
detecting, by at least one of the first repeater device or the second repeater device, a change in a surrounding environment and/or a network traffic demand within a corresponding cell; and
updating, by the first repeater device, an assignment or a re-assignment of a plurality of other repeater devices to the first network node or the second network node based on the detected change in the surrounding environment and/or the network traffic demand.
20. A non-transitory computer-readable medium having stored thereon, computer implemented instructions that when executed by a computer in a communication apparatus causes the communication apparatus to execute operations, the operations comprising:
receiving, by a first repeater device, a first beam of radio frequency (RF) signal from a first network node;
receiving, by a second repeater device, a second beam of RF signal from the first network node;
transmitting the first beam of RF signal and the second beam of RF signal to a second network node;
selecting a plurality of signal parameters at the first repeater device and the second repeater device for the first beam of RF signal and the second beam of RF signal respectively, based on a plurality of measurements such that a cross-leakage of the first beam of RF signal on the second beam of RF signal and vice-versa at the second network node is reduced,
wherein the plurality of measurements are associated with at least one of the first network node, the second network node, the first repeater device, or the second repeater device; and
maximizing a signal-to-noise ratio (SNR) of the first beam of RF signal and the second beam of RF signal at the second network node based on the selected plurality of signal parameters.