Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may establish a first communication link using a first radio access technology (RAT). The UE may establish a second communication link using a second RAT. The UE may determine whether to prioritize antenna selection for the first communication link using the first RAT or the second communication link using the second RAT. The UE may prioritize antenna selection for the first communication link or the second communication link based at least in part on the determination. Numerous other aspects are provided.

Systems and methods for passive dynamic geofencing on a mobile device are discussed. For example, a method for passive dynamic geofencing can include operations such as monitoring a first parent geofence and a first plurality of child geofences; detecting crossing a boundary of the first parent geofence into a second parent geofence; loading the second parent geofence and a second plurality of child geofences encompassed by the second parent geofence; and monitoring the second parent geofence and the second plurality of child geofences.

A communication method includes: receiving, by a network device, first information sent by a terminal device: where the first information includes capability information of the terminal device and uplink sounding reference signal (SRS) antenna switch requirement information of the terminal device, the capability information of the terminal device is used for indicating antenna switch capability supported by the terminal device, and the SRS antenna switch requirement information is used for indicating requirement for terminal device to perform SRS antenna switch.

An electronic device is provided. The electronic device includes a hinge module, a first housing at least partially coupled to a first side of the hinge module and including a first antenna, a second housing at least partially coupled to a second side of the hinge module, configured to be foldable and unfoldable with the first housing by using the hinge module, and including a second antenna, a sensor circuit configured to detect an unfolding state and/or a folding state of the first housing and the second housing, a processor operatively connected to the first antenna, the second antenna, and the sensor circuit, a first signal line configured to connect the processor and the first antenna, a tuner circuit disposed on the first signal line, and a second signal line configured to connect the processor and the second antenna, wherein the processor is configured to, in case that the first housing and the second housing are detected to be in the folding state by using the sensor circuit, receive feedback of a signal transmitted to the second antenna, detect a phase of the feedback signal, and determine a time constant of the tuner circuit disposed on the first signal line, based on the detected phase of the signal.

This application provides a method for dynamically switching antennas. User equipment determines an antenna switching sequence based on a networking mode of the user equipment and an actual scenario, and performs antenna switching based on the determined antenna switching sequence. When the technical solutions of this application are implemented, a problem that a conflict exists in an antenna switching process is effectively resolved without adding hardware.

Wireless communication techniques for antenna-switched diversity and multi-SIM concurrent operation management are discussed. A UE may communicate via a transmission path associated with a first subscriber identification module (SIM). The transmission path may be mapped to one of a first one or more antennas in accordance with a determination as to whether the UE supports at least one of frequency-division duplex (FDD) antenna-switched diversity or time-division duplex (TDD) antenna-switched diversity when concurrently performing wireless communication associated with the first SIM and wireless communication associated with a second SIM. The UE may also communicate via at least one reception path associated with the second SIM. The at least one reception path may be mapped to a second one or more antennas in accordance with the determination as to whether the UE supports at least one of FDD antenna-switched diversity or TDD antenna-switched diversity.

A transmission method of simultaneously transmitting a first modulated signal and a second modulated signal at a common frequency performs precoding on both signals using a fixed precoding matrix and regularly changes the phase of at least one of the signals. One of signal generation processing in which phase change is performed and signal generation processing in which phase change is not performed is selectable, thereby improving general versatility in signal generation.

A transmission apparatus includes M signal processors that respectively generate modulated signals directed to M reception apparatuses, M being an integer equal to or greater than 2, and an antenna section. Each signal processor modulates a first bit sequence made up of two bits to generate a first modulated signal and a second modulated signal, and modulates a second bit sequence made up of other two bits to generate a third modulated signal and a fourth modulated signal, in a case of transmitting multiple streams to a corresponding one of the M reception apparatuses. The antenna section includes a first antenna that transmits the first modulated signal and the third modulated signal and a second antenna that transmits the second modulated signal and the fourth modulated signal. At least either the signals transmitted from the first antenna or the signals transmitted from the second antenna are phase-changed signals.

The present invention provides a radio frequency circuit and an electronic device. The radio frequency circuit includes a radio frequency transceiver having a first transmit port, a first radio frequency module connected to a first antenna array, a second radio frequency module connected to a second antenna array, and a first switch. A first input terminal of the first switch is connected to the first transmit port, and two output terminals of the first switch are respectively connected to the two radio frequency modules. In a case that the first switch is in a first state, the first transmit port is conductively connected to the first radio frequency module; or in a case that the first switch is in a second state, the first transmit port is conductively connected to the second radio frequency module.

A method for transferring data between movable and stationary units of a linear transport system having a controller and linear motor with stator and rotor for driving the movable unit along a guide rail. The stator includes the stationary units, each with one or more drive coils. The rotor is arranged on the movable unit, with one or more magnets. The stationary units each have at least one stationary antenna, and the movable unit has a movable antenna. The controller selects a stationary antenna based on position data of the moveable antenna and outputs a data packet to the stationary unit, with control and data signals transmitted via the selected stationary antenna. The control signal includes identification information to identify the stationary antenna. The data signal includes a communication frame with a start bit and user data following a start sequence arranged to trigger data receipt of the movable unit.