Abstract: A subscriber identification module (SIM) card detection failure recovery method for an electronic device includes that the electronic device identifies a card recovery scenario, where card recovery includes whether to power on a SIM card. A configurable timer is started based on the card recovery scenario. The electronic device periodically obtains, based on a time set by the timer, power-on information for powering on the SIM card. The electronic device determines a power-on condition of the SIM card based on the power-on information. If the power-on condition is met, the electronic device powers on the SIM card.

Abstract: A method of operating a vehicle terminal mounted on a connected car includes receiving, from a remote server, a vehicle state check request for changing a mobile network operator (MNO) which provides a communication network to be connected via a communication modem, checking a vehicle state according to the vehicle state check request and transmitting a vehicle state result determined based on the checked vehicle state to the remote server, receiving a request to change a subscriber profile of a first MNO set to the communication modem for a subscriber profile of a second MNO when the vehicle state result indicates that a subscriber profile update is possible, changing the communication modem with the subscriber profile of the second MNO, and accessing a communication network of the second MNO, and receiving a connected car service from the remote server via the communication network of the second MNO.

Abstract: Radio frequency signal boosters serving as outdoor cellular infrastructure are provided. In certain embodiments, a signal booster system for a high frequency cellular network includes a parabolic base station antenna configured to receive a downlink signal of a frequency band higher than 20 gigahertz and to transmit an amplified uplink signal of the frequency band, booster circuitry configured to amplify an uplink signal to generate the amplified uplink signal and to amplify the downlink signal to generate an amplified downlink signal, and a mobile station antenna configured to receive the uplink signal and to transmit the amplified downlink signal.

Abstract: The present disclosure relates to a mobile device grip assistive device that can improve convenience and economics in gripping of a mobile device such as a smart phone, and provides a mobile device grip assistive device including disposed in an up-down direction behind a mobile device and having flexibility, and a mechanism portion having a hole through which the strap can be disposed, and having a holding space in which friction is provided by an elastic restoration force of the strap when a finger is positioned between the front surface of a plate member and the rear surface of the strap.

Abstract: Embodiments of the application provide methods and apparatuses for obtaining system messages, the apparatuses including communication devices and storage media. A method for obtaining a system message includes: when a terminal includes at least two subscriber identification modules (SIMs), a predetermined system message received by the first SIM of the at least two SIMS is provided to at least one second SIM of the at least two SIMS.

Abstract: For example, a communication link between a first relay node and a second relay node, which are in synchronous movement, is established. Beam management assistance information from the first relay node is received at the second relay node upon an occurrence of beam failure at the first relay node (S801). At the second relay node it is decided about a timing at which the received beam management assistance information is to be transmitted to a serving network node (S802), and the received beam management assistance information is transmitted from the second relay node to the serving network node at the decided timing (S803).

Abstract: This application provides a foldable display panel. A foldable portion in the foldable display panel includes a fixed mechanism and a rotary mechanism rotatably connected to the fixed mechanism. The rotary mechanism includes a first rotary mechanism and a second rotary mechanism. The first rotary mechanism is connected to a first flat portion. The second rotary mechanism is connected to a second flat portion. A heat dissipation member is connected to at least one of the first rotary mechanism and the second rotary mechanism. By means of this application, a risk of wear is reduced for the rotary mechanism.

Abstract: A foldable stand suited for a portable electronic device is provided. The foldable stand includes a foldable plate and an attaching member. The foldable plate has a pair of incisions and a plurality of folding portions to be folded into at least one of an unfolded state and a plurality of folded states. In the unfolded state, a strip structure is formed by part of the folding portions located between the incisions, and a ring structure is formed by others to surround the incisions and the strip structure. In at least one of the folded states, the strip structure and the ring structure are separated from each other along the incisions. The attaching member that the portable electronic device attached thereto has a part connected to the foldable plate, and other part of the attaching member is separated from the foldable plate.

Abstract: Methods, systems, and devices for wireless communications are described. In some systems, a repeater may receive a first signal from a transmitting device and determine an amplified version of the signal may not be successfully received by a receiving device. The repeater may transmit a mode switch message to the transmitting device to indicate a request for the transmitting device to switch to a transmission mode associated with one or more different transmission parameters based on detecting that the amplified version of the signal may not be received by the receiving device. The transmitting device may adjust one or more transmission parameters according to the mode switch message and may transmit a second signal to the repeater based on the adjusted transmission parameters. The repeater, operating according to the mode switch message, may receive the second signal and transmit an amplified version of the second signal to the receiving device.

Abstract: The present disclosure relates to phase shifters, antennas, and base stations. One example phase shifter includes a cavity, a built-in printed circuit board (PCB), and a stress relief portion. The stress relief portion is connected to the PCB, and the stress relief portion is configured to reduce a stress generated due to different coefficients of thermal expansion (CTE) of the cavity and the PCB.

Abstract: The disclosure herein describes transmitting data from a satellite using a ground station configured to both transmit and receive, and a set of ground stations configured to receive data from a satellite. An orbit of the satellite is determined over a schedule period and a subset of ground stations configured to receive data and not transmit data to the satellite is identified based on the determined orbit of the satellite. A transmission schedule associated with the satellite is then generated. For each ground station of the subset, a time interval during which the satellite is within communication range is determined, an expected transmission rate is estimated, and the time interval and the expected transmission rate are included in the transmission schedule. The transmission schedule is provided to the satellite via another ground station configured to both transmit and receive, whereby the satellite is configured to transmit data to the subset of ground stations based on the transmission schedule.

Abstract: Systems and methods for wirelessly recording multi-track audio files. In some aspects, each performer is equipped with a local audio device capable of locally recording the respective performer's audio while also transmitting it to a master recorder. Functions of the local audio device may be adjusted remotely. The locally recorded audio may be used to repair or replace any audio lost or corrupted during transmission to the master recorder. Such repair or replacement may be performed electronically or via playback of the locally recorded audio. In other aspects, a master recorder is not required since all locally recorded audio may be combined or otherwise processed post-recording. Locally recorded audio may include identifiers to aid in post-recording identification of such audio. A multi-memory unit is provided to facilitate manipulation and processing of audio files. A method for automatically adjusting local audio device power mode based upon recorder status is also disclosed.

Abstract: Various embodiments of the present disclosure provide a case for a foldable electronic device, comprising a first housing and a second housing rotatable with respect to the first housing. The case may comprise: a first cover at least partially covering the first housing; a second cover at least partially covering the second housing and rotatable with respect to the first cover; a driving unit for adjusting the angle between the first cover and the second cover; a communication unit for transmitting or receiving information relating to the angle to or from the foldable electronic device; and at least one processor connected to the communication unit so as to receive the information relating to the angle and drive the driving unit accordingly. Various other embodiments may be employed.

Abstract: The present invention relates to a mobile terminal structure comprising: a body; a display deformed along the outer surface of the body by means of an external force; and a frame part which supports the display and which is modified into a shape of encompassing the outer surface of the body, wherein the frame part comprises: a rear plate which is coupled to one surface of the display and which can be modified together with the display so as to correspond to the outer surface of the body; and link parts which are respectively provided to both sides of the rear plate and which include a plurality of link members arranged in parallel to each other, and the display can be wound or unwound together with the rear plate along the outer surface of the body by means of the rotation between the connected link members of the link parts.

Abstract: Certain embodiments of the present invention relate to an in-house relay device capable of 5G wireless communication and support equipment for supporting same, the support equipment comprising: a vertical rod installed in a z-axis direction from the bottom surface; a support member disposed at one end of the vertical rod to be coupled to the vertical rod, and supporting the in-house relay device; and a fixing member coupled to the support member and fixing the support member in a direction of a permeable outer wall, wherein the support member may comprise a rotating plate for adjusting a direction of the in-house relay device.

Abstract: Provided is an outer shell member for communication equipment, capable of enhancing metallic luster design while suppressing the generation of radio wave shielding that affects communication. A metallic tone print sheet 51 is arranged at least on a portion of an outer shell member for communication equipment including a mobile device 1 with a communication device and a protective case mounted thereon. The metallic tone print sheet 51 includes, when viewed from the front, a metallic portion equipped with a metallic reflective layer and a transmission portion not equipped with a metallic reflective layer. The metallic reflective layer is provided with a metallic concave reflective surface that is curved in a cross-section in the thickness direction of the metallic tone print sheet. The transmission portion has a radio wave permeability that transmits radio waves to the communication device.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may implement a power-efficient discovery procedure to establish a relay. In some cases, the UE may monitor a resource pool for a relay beacon from a relay device and measure a received power of the relay beacon. If the received power satisfies a threshold, the UE may monitor for a relay announcement from the relay device and establish a sidelink connection with the relay device based on the relay announcement. The relay beacon may support a two-stage discovery procedure, where the UE determines a relay device is available before processing a relay announcement to conserve power. Additional techniques for proximity-based discovery are described herein.

Abstract: A digital receiver/exciter (DREX) antenna calibration system includes a DREX antenna array, and an antenna probe configured to receive energy from the DREX antenna array and/or transmit energy to the DREX antenna array. A modular signal processing unit is in signal communication with the DREX antenna array. The modular signal processing unit includes a plurality of individual signal processing programmable integrated circuits configured to process the energy. A modular array controller is in signal communication with the probe controller, the DREX antenna array, and the modular signal processing unit. The modular array controller includes at least one modular array unit that includes an array programmable integrated circuit and a multicore processor.

Abstract: A mobile device display stand structure includes: a shaft driven and rotated by applying a critical moment greater than a resistance of the shaft to overcome the resistance of the shaft; and a first lever and a second lever connected to the shaft separately. The first lever and the second lever use the shaft as a fulcrum and flip over relative to each other by the shaft to define an included angle, and the first lever and the second lever are plate-shaped bodies. When the included angle is 0-180 degrees, the gravity of the first lever generates a first moment relative to the shaft or the gravity of the second lever generates a second moment smaller than the critical moment relative to the shaft, such that the first lever or the second lever cannot be rotated relative to the shaft and the included angle is kept constant.

Abstract: One aspect of the present invention is a shielding rate calculation device including a voxel division unit for dividing a Fresnel zone into a plurality of voxels each having a size corresponding to acquisition conditions at the time of acquiring point group data indicating a shielding object in an inter-wireless-station space between a transmission station and a reception station, and a calculation unit for calculating a shielding rate against a radio wave traveling from the transmission station toward the reception station on the basis of a position, a shape, and a size of a shielding voxel, which is a voxel at a position indicated by the point group data, among the plurality of voxels.