Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a base station may receive, from a repeater having a first interface and a second interface, information associated with one or more capabilities of the repeater, the second interface being different from the first interface. The base station may determine an operation mode for the repeater based at least in part on the information associated with the one or more capabilities of the repeater, and may communicate with the repeater via the first interface or the second interface. In some aspects, a repeater may transmit to a base station via a first interface, information associated with one or more capabilities of the repeater, and may communicate via the first interface or via a second interface in accordance with an indicated operation mode, the second interface being different from the first interface. Numerous other aspects are provided.

A polarization reconfigurable apparatus, a communications device, and a polarization reconfiguration method, the apparatus including a signal generation unit, a signal adjustment unit, a digital-to-analog conversion unit, and a transmission unit that are sequentially connected. A signal transmitted by a first port in the transmission unit is orthogonal to a signal transmitted by a second port in the transmission unit. The signal generation unit is configured to generate a first signal. The signal adjustment unit is configured to determine a polarization mode of a to-be-transmitted signal, divide the first signal into two first signals, and adjust an amplitude and a phase of a 1.sup.st first signal and an amplitude and a phase of a 2.sup.nd first signal based on the determined polarization mode.

This application discloses an information transmission method and apparatus, a device, and a storage medium. The method is performed by a communications device, and includes: obtaining channel quality of a plurality of antenna channels; and determining an antenna operation mode based on the channel quality, and transmitting information. The antenna operation mode includes: a MIMO mode, an FTN mode, or a MIMO-FTN mode in which the same antenna port group in the plurality of antenna channels operates in a MIMO precoding manner and different antenna port groups operate in an FTN manner, where each antenna port group includes at least one antenna channel.

A technology is described for a time division duplex (TDD) repeater with network protection. The TDD repeater can comprise a first port, a second port, and one or more amplification paths coupled between the first port and the second port. The TDD repeater can comprise a signal detector configured to measure a received signal power for a downlink (DL) signal in a first set of one or more TDD DL subframes. The TDD repeater can be further configured to adjust an uplink (UL) noise power or gain of the one or more amplification paths based on the received signal power for the DL signal in the first set of the one or more TDD DL subframes.

An active repeater device includes a primary sector and at least a secondary sector communicatively coupled to the primary sector receives or transmits a first beam of input RF signals having a first beam pattern from or to a base station, respectively. The primary sector includes an baseband signal processor and a first radio head (RH) unit. The secondary sector comprises a second RH unit. Beamforming coefficients are generated to convert the first beam pattern of the first beam of input RF signals to a second beam pattern based on a location of each of a plurality of user equipment (UEs). A second beam of output RF signals in the second beam pattern is transmitted from or received by, respectively, the secondary sector to or from, respectively, the plurality of UEs based on the generated beamforming coefficients and the received first beam of input RF signals.

An active repeater device includes a primary sector and at least a secondary sector communicatively coupled to the primary sector receives or transmits a first beam of input RF signals having a first beam pattern from or to a base station, respectively. The primary sector includes an baseband signal processor and a first radio head (RH) unit. The secondary sector comprises a second RH unit. The first beam pattern covers a first geographical area. Beamforming coefficients are generated to convert the first beam pattern of the first beam of input RF signals to a second beam pattern. A second beam of output RF signals in the second beam pattern is transmitted from or received by, respectively, the secondary sector to or from, respectively, a plurality of user equipment (UEs) based on the generated beamforming coefficients and the received first beam of input RF signals.

A repeater system for LPWAN according to the present invention is characterized by comprising: a first antenna and a second antenna which may be antennas for transmission or reception according to a user's selection; a switch which is coupled to each of the first antenna and the second antenna; an RF transmission end and an RF reception end which are connected to the first antenna and the second antenna through the switch; and a control unit for controlling the switching of the switch and for controlling the RF transmission end and the RF reception end, wherein the first antenna is a multi-directional dipole antenna, and the second antenna includes a directional antenna for receiving and transmitting signals in a single direction.

A technology is described for a time division duplex (TDD) repeater with network protection. The TDD repeater can comprise a first port, a second port, and one or more amplification paths coupled between the first port and the second port. The TDD repeater can comprise a signal detector configured to measure a received signal power for a downlink (DL) signal in a first set of one or more TDD DL subframes. The TDD repeater can be further configured to adjust an uplink (UL) noise power or gain of the one or more amplification paths based on the received signal power for the DL signal in the first set of the one or more TDD DL subframes.

A method of wireless communication is provided. The method by a user equipment (UE) includes performing communication, by the UE with a base station, wherein the communication comprises that the UE is configured to receive, from the base station, a first indication comprising an antenna polarization used by the base station and/or a satellite to transmit and/or receive a transmission; and/or the UE is configured to receive, from the base station, a second indication comprising the antenna polarization used by the UE to transmit and/or receive a transmission. A UE and a base station are further provided.

Various systems and methods disclosed herein describe improvements for beam management that leverage virtualization across a vertical polarization (V-Pol) and horizontal polarization (H-Pol). One or more of a user equipment (UE) and a base station may include an antenna array comprising V-Pol antenna elements and H-Pol antenna elements. The UE may determine a number of receive (Rx) beam of an Rx beam sweep are needed, signal this number to the base station, and perform the beam sweep according to one or both of the V-Pol and H-Pol. A UE may use group based beam reporting to indicate to the base station a transmit (Tx) beam upon which downlink MIMO using V-Pol and H-Pol may be supported by reporting a same transmission configuration indication (TCI) corresponding to the Tx beam for both a first Rx beam and a second Rx beam in a group based beam reporting message.