Abstract: An apparatus and a method for generating a frame for communication using beamforming in a wireless communication system are provided. A method for transmitting a signal in a transmitting stage includes determining a beam change time of a region for transmitting information in a frame, and transmitting the information to a receiving stage over the region for transmitting the information by considering the beam change time. The frame includes a plurality of regions divided based on a type of the information transmitted to the receiving stage, and the plurality of the regions includes different beam change times.

Abstract: The present disclosure discloses a mobile terminal and a battery cover of mobile terminal, the battery cover of mobile terminal includes a main control circuit, a power management circuit, a touch circuit and an e-Ink; wherein the main control circuit, the power management circuit and the touch circuit are connected to the e-Ink respectively; the main control circuit and the power management circuit are connected to the mobile terminal respectively; the main control circuit is connected to the touch circuit; the power management circuit is configured to supply power to the e-Ink; the touch circuit is configured to receive a screen changing operation of the e-Ink; and the main control circuit is configured to receive data from the touch circuit, communicate with the mobile terminal and display contents of communication on the e-Ink.

Abstract: An apparatus includes a log amplifier and a calibration circuit. The log amplifier may be configured to generate an output signal in response to an offset between a first voltage and a second voltage. The calibration circuit may be configured to disconnect an input power and perform a cancellation of the offset when the input power is not present. The first voltage may be generated by the apparatus in response to a power detection. The second voltage may be received from a reference circuit. The cancellation of the offset may extend a working range of the apparatus. The output may provide a linear-in-dB power detection.

Abstract: One example discloses a near-field electromagnetic induction (NFEMI) device, including: a near-field magnetic antenna having an inductive coil responsive to near-field magnetic signals; wherein the near-field magnetic antenna is configured to be coupled to a tuning circuit having a variable capacitance adjusting a resonance frequency of the NFEMI device and variable resistance adjusting a bandwidth of the NFEMI device; and a near-field electric antenna having a set of conductive surfaces; wherein the near-field electric antenna is configured to be directly connected to a receiver circuit.

Abstract: A method in a wireless device for determining a power allocation for an uplink transmission and a wireless device configured for determining a power allocation for an uplink transmission. Wherein the power allocation is based on a remaining power for scheduled transmissions derived from a maximum transmitter power of the wireless device, less any power for non-scheduled transmissions and a reserved power for any scheduled data transmission on the second frequency derived from a filtered power of a dedicated physical control channel, DPCCH, and a power offset for an enhanced-transport format combination, E-TFC, of a transmission for the second frequency configured with the second TTI, wherein the filtered power is averaged over a number of slots having a total duration equal to the second TTI length.

Abstract: A transmitter-receiver includes an electronic chip a mixer for mixing the frequency of a received radio frequency signal with that of an oscillating signal supplied by a first frequency synthesizer in, a switch having two inputs connected to an output of the mixer and to an auxiliary input terminal, a filter and gain stage connected to the output of the switch, and a modulator-demodulator connected to the output of the filter and gain stage. The first frequency synthesizer is connected between the output of the modulator-demodulator and radio frequency input and output terminal, and configured to supply a frequency-modulated signal to the radio frequency input and output terminal.

Abstract: Embodiments are provided for a method of operating a receiver system, the receiver system comprising one or more channels, the method comprising: monitoring a residual DC (direct current) offset in a present channel by sampling an output of an analog-to-digital converter (ADC) of the present channel; adjusting a DCO (direct current offset) correction signal that corresponds to the residual DC offset in response to an absolute value of the residual DC offset exceeding a programmable DCO threshold; and subtracting the DCO correction signal from an analog signal provided to the ADC to reduce the residual DC offset below the programmable DCO threshold.

Abstract: A testing device for testing an antenna-incorporated semiconductor device which is integrated with an antenna is provided. The testing device includes a non-contact probe configured to receive a radio wave emitted from the antenna in a state that the non-contact probe is not in contact with the antenna. The testing device may further include a movable base body configured to be lifted and lowered.

Abstract: Provided are a mobile electronic apparatus, an accessory device for the mobile electronic apparatus, and an electronic apparatus including the accessory device. The mobile electronic apparatus includes: a display unit including a display screen; a cover detector detecting identification (ID) information of a cover when the display screen is covered by the cover; and a processor displaying a user interface (UI) screen corresponding to the cover on the display screen by driving a program corresponding to the ID information of the cover when receiving the ID information of the cover.

Abstract: A communication method including a base station and user terminal that is configured to communicate by using an unlicensed frequency includes receiving, from the base station, a message including first and second information. The first information is information regarding a configuration for the user terminal to report a measurement result in the unlicensed band, and the second information is information regarding a configuration of carrier aggregation. The method includes the user terminal measuring power in the unlicensed frequency and reporting, to the base station, percentage where the measured power exceeds a threshold value in a measurement period, according to the first information, and communicating with the base station by using the unlicensed frequency as a secondary carrier in the carrier aggregation, according to the second information.

Abstract: A method for virtual subscriber identity module (SIM) sharing. The method can include a service provider receiving a request including service details from a first UE. The service provider can verify the request and then generate a first SIM over-the-air (OTA) message. The first virtual SIM-OTA message can be sent to the first UE and causes the first UE to dynamically provision a virtual SIM. The service provider can also generate and transmit a first unique identifier to the first UE. The method can further include the service provider receiving a second unique identifier from a second UE. After determining the first unique identifier matches the second unique identifier, the service provider can generate and transmit a second SIM-OTA message to the second UE. The service provider can then provide the service to the first UE and second UE according to the service details.

Abstract: Methods and apparatus, including computer program products, are provided for communications. In one aspect there is provided a method. The method may include sending, by a low power node, an indicator to a target low power router, wherein the indicator at least represents a request to operate with a prior context used at a source low power router; and receiving, by the low power node, a message in response to the indicator, wherein the message at least indicates whether the low power node can operate at the target low power router with a same context that corresponds to the prior context used previously at the source low power router. Related apparatus, systems, methods, and articles are also described.

Abstract: Methods, systems and apparatus for allocating frequency spectrum resources in a Citizens Broadband Radio Service network. An exemplary method embodiment includes the steps of: receiving, by a Spectrum Access System (SAS), a channel message from a Citizens Broadband Radio Service Device (CBSD); selecting, by the SAS, in response to the received channel allocation message, a first frequency spectrum channel from a plurality of available frequency spectrum channels based on a type of traffic the CBSD is carrying; assigning, by the SAS, the selected first frequency spectrum channel to the CBSD for use in wireless communications with user equipment devices; communicating, by the SAS, information identifying the assigned first frequency spectrum channel to the CBSD. When the determined type of traffic being carried by the CBSD is said uplink dominated traffic basing said first frequency spectrum channel selection on adjacent channel interference.

Abstract: The present invention provides for a system that makes use of a system power supply enable switch controlled by a near field communications (NFC) frontend with energy harvesting. In one embodiment, RF power in the 13.56 MHz band generated by a NFC counterpart (such as a mobile phone) is detected by the energy harvesting unit being part of the battery-unpowered NFC communication device. After activation, the system can perform actions required to communicate to the presented device (i.e., the NFC counterpart). Later, the system can switch itself into the unpowered state again. In another embodiment, this feature can also be used to control an NFC protection circuitry very quickly after the NFC device is exposed to an external HF (high frequency) field.

Abstract: A passenger transport system includes a plurality of passenger transporters controlled by transport system control, and further comprises at least one parameter memory configured to store at least one parameter or parameter set for the function of at least one transport system component, which transport system comprises a first wireless interface. The first interface may input data regarding at least one stored parameter or parameter set for the function of the related transport system component(s). The passenger transport system comprises mobile devices carried by users, which mobile devices may communicate wirelessly with the first interface, which communication is based on a short range transmission. The mobile devices may be prompted by the first interface to transmit data regarding the parameter or parameter set of the correlated transport system component. A passenger system interaction with a user to individual user requirements may be customized.

Abstract: A plurality of communication stations transmit a plurality of modulated signals so that data is efficiently transmitted from a network through negotiation by a communication terminal capable of transmitting and receiving modulated signals of a plurality of wireless communication schemes with a proxy server present on a network. The communication terminal receives a plurality of modulated signals to obtain data. Thus, the efficiency of frequency utilization is improved.

Abstract: A non-transitory computer-readable medium stores computer-readable instructions that, when executed by a processor, cause a communication terminal to receive identification information from one or more communication devices via a communication interface, each identification information being periodically updated by a corresponding communication device, store first identification information into a memory, the first identification information being received from a specified communication device, perform communication with the specified communication device via the communication interface by using the stored first identification information, after disconnection of the communication, determine whether to use the first identification information or second identification information to reestablish the communication, the second identification information being transmitted by the specified communication device after the disconnection of the communication, when determining to use the first identification information,

Abstract: A hinge module including a first body; a second body arranged with respect to the first body; a hinge configured to hinge in response to an angle variation between the first body and the second body; and a display disposed on the first body and the second body. Further, the hinge includes a first hinge housing including an accommodating portion; a second hinge housing having a first end inserted in the accommodating portion; an arc-shaped hinge hole in the second hinge housing; a hinge pin projecting from an inner surface of the accommodating portion of the first hinge housing and penetrating the arc-shaped hinge hole in the second hinge housing; a guide pin coupled to the first hinge housing and inserted into a second end of the second hinge housing; and an elastic member provided in the second end of the second hinge housing and including a curved surface contacting the guide pin.

Abstract: An electronic device includes a housing, one or more input/output (I/O) interfaces included in or on the housing, a processor, and a memory, wherein the memory stores a plurality of templates associated with a plurality of tasks, wherein each of the templates includes a plurality of parameters for at least partially completing a respective one of the tasks, and wherein the memory further stores instructions that, when executed, cause the processor to: receive a user input to set up an alarm associated with a task to be performed at a selected time, wherein the input includes a first time parameter associated with the selected time; select one of the plurality of templates; determine a second time parameter of the plurality of parameters of the selected template; determine a time for the alarm; and provide the alarm at the determined time.

Abstract: A wireless access point search device improved in a manner of storing search results. A wireless LAN interface searches for a wireless access point. A result receiving section stores an access point information item on the wireless access point found by the wireless LAN interface. When the sum of the number of access point information items stored in the result receiving section and the number of new wireless access point items on respective new wireless access points found by the wireless LAN interface is larger than a predetermined value, a panel controller determines, whether or not to store a new access point information item on each new wireless access point in the result receiving section, based on radio field intensity of the new wireless access point.