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 controls the second repeater device to provide the first beam and the second beam of RF signal to a second network node. 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. The first repeater device establishes an additional link with the second repeater device, where based on the additional link, 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.

The application discloses a method applied in a system. The method includes the following operations: determining a first statistics of a first signal and a second statistics of a second signal according to a power split ratio and a noise level of a relay node; relaying, by the relay node, the first signal according to the power split ratio, the first statistics and the second statistics to generate the second signal; and receiving, by a destination node, the second signal.

This document describes methods, devices, and systems for configuring a smartphone (102) for network connectivity via a charging station (120), in which the smartphone (102) detects a connection or a coupling to the charging station (120). In response to the detection of the connection or coupling to the charging station (120), the smartphone (102) configures a WLAN transceiver (228) as a WLAN access point and forms a mesh WLAN network with one or more other WLAN access points (114). In other aspects, the charging station (120) detects the presence of the smartphone (102) that is connected or coupled to the charging station (120). In response to sensing the presence of the smartphone (102), the charging station (120) configures power and charging circuitry (244) to charge a battery of the smartphone (102) and configures WLAN radio circuitry (232) to relay WLAN communications for the smartphone (102).

The present disclosure provides an apparatus for setting a gain of a RF repeater includes: a synchronization signal power calculator configured to determine an average received power level of a synchronization signal received over a predetermined number of times as a synchronization signal power; a downlink power calculator configured to calculate a downlink input power according to a power ratio of synchronization signal to data channel signal based on the synchronization signal power; and a downlink gain setting unit configured to calculate a downlink gain by subtracting the downlink input power from a downlink output power determined by hardware specifications to set the downlink gain.

A technology is described for a bi-directional amplifier remote monitoring system. A directional coupler can have a first port, a second port, and a third port. The first port can be configured to be coupled to a bi-directional amplifier first port. The second port can be configured to be coupled to a server antenna port. The third port can be configured to be coupled to a wireless modem. The directional coupler can be configured to direct a downlink signal with a selected amount of attenuation from the bi-directional amplifier first port to the wireless modem. The directional coupler can be configured to direct a modem signal with the selected amount of attenuation from the wireless modem to the bi-directional amplifier first port for communication on an uplink path of the bi-directional amplifier.

An interference cancellation repeater includes: a first transmission/reception processing unit configured to convert a radio frequency (RF) input signal input via a link antenna communicatively coupled to a base station into a digital input signal; an interference canceller configured to cancel an interference signal from the digital input signal and to output an interference canceled signal; a second transmission/reception processing unit configured to convert the interference canceled signal into an RF output signal and to amplify the RF output signal; and a gain controller configured to detect a gain change of the interference cancellation repeater based on the interference canceled signal and to change a current gain of the interference cancellation repeater to a target gain by adjusting intensity of at least one of the RF input signal, the interference canceled signal, and the RF output signal when the gain change of the interference cancellation repeater is detected.

The methods and systems for amplify-and-forward (in-band) relaying relate to beamforming techniques including receive and transmit beamforming for reducing self-interference, and improving Signal-to-Noise Ratio (SNR), or Signal to Interference plus Noise Ratio (SINR), of an incoming signal (to be relayed). The incoming signal is amplified and retransmitted simultaneously with the incoming signal, and over the same frequency band as that of an incoming signal.

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.

A technology is described for a bi-directional amplifier remote monitoring system. A directional coupler can have a first port, a second port, and a third port. The first port can be configured to be coupled to a bi-directional amplifier first port. The second port can be configured to be coupled to a server antenna port. The third port can be configured to be coupled to a wireless modem. The directional coupler can be configured to direct a downlink signal with a selected amount of attenuation from the bi-directional amplifier first port to the wireless modem. The directional coupler can be configured to direct a modem signal with the selected amount of attenuation from the wireless modem to the bi-directional amplifier first port for communication on an uplink path of the bi-directional amplifier.

A technology is described for a repeater. A repeater can comprise a first port; a second port; a first-direction amplification and filtering path coupled between the first port and the second port; a multiplexer coupled between: the first-direction amplification and filtering path; and the second port; and a power amplifier (PA) coupled between the first port and the multiplexer. The repeater can further comprise an adjustable matching network coupled between the PA and the multiplexer, wherein the adjustable matching network is actively adjusted to match an impedance of an output of the PA at a selected channel over a frequency range for a first-direction signal with an impedance of an input of the multiplexer over the selected channel over the frequency range for a first-direction signal.