Abstract: Aspects of this disclosure relate to a dual connectivity power amplifier system. The power amplifier system includes first and second power amplifiers that are concurrently active in a dual connectively mode. The first power amplifier is active in a different mode. A switch electrically connects the first power amplifier to different radio frequency signal paths in the dual connectivity mode and the different mode. Related methods, power amplifier modules, and wireless communication devices are disclosed.

Abstract: An architecture of radio frequency front-end includes a power amplifier module integrated duplexer (PAMiD), an antenna and at least one tunable matching network; herein, the PAMiD includes a power amplifier, and the at least one tunable matching network is located between the power amplifier and the antenna, and is configured to adjust the impedance of the output end of the power amplifier and/or the impedance of the input end of the antenna.

Abstract: A radio frequency module includes a substrate, a power amplifier that amplifies a transmission signal in a first communication band, a power amplifier that amplifies a transmission signal in a second communication band, and a power amplifier that amplifies a transmission signal in a third communication band. Simultaneous transmission can be performed in a combination of the first communication band and the third communication band. Simultaneous transmission cannot be performed in a combination of the first communication band and the second communication band and a combination of the second communication band and the third communication band. In plan view of the substrate, a distance between the output terminals of the power amplifier and the power amplifier is longer than a distance between the output terminals of the power amplifier and the power amplifier and a distance between the output terminals of the power amplifier and the power amplifier.

Abstract: Systems may comprise a connectivity manager application operating on a User Equipment (UE) for optimal and secure performance of local applications and improving user experience by optimizing application performance (e.g., detecting data stall events). The systems may monitor incoming internet protocol (IP) packets for one or more applications operating on the UE. The connectivity manager application may detect a drop in a rate at which the IP packets are received over a period of time and determine to reregister and/or reattach to a different node within a network or at a new network.

Abstract: Disclosed are a Bluetooth connection method and a television. The method may comprise: in response to a connection command for establishing a Bluetooth connection with a target Bluetooth device, determining a screen state of a display apparatus, wherein the screen state comprises a screen-on state or a screen-off state; if the screen state of the display apparatus is the screen-on state, establishing a Bluetooth connection with the target Bluetooth device; and if the screen state of the display apparatus is a screen-off state, forbidding the establishment of a Bluetooth connection with the target Bluetooth device. In the disclosure, a display apparatus establishes a connection with a Bluetooth device only when the screen state of the display apparatus is a screen-on state, thereby avoiding the situation where the display apparatus establishes a connection with the Bluetooth device when the display apparatus is in screen-off state.

Abstract: A method of performing wireless communication for a wireless communication device including a first Subscriber Identity Module (SIM) and a second SIM includes performing a first wireless communication with a first terminal device through the first SIM, receiving a request for connection of a second wireless communication from a second terminal device through the second SIM, determining a target SIM among the first SIM and the second SIM in response to the request, and performing the first wireless communication and the second wireless communication through the target SIM.

Abstract: A method in a communication device for managing uplink transmissions from the communication device to a network node. The method includes obtaining a timing advance value, the timing advance value indicating a time period in which the communication device shall advance a first uplink subframe transmission to the network node, obtaining information about a location of a gap within the first uplink subframe, the gap having a predefined duration, the location of the gap occurring after the time period indicated in the timing advance value, and performing the first uplink subframe transmission after the predefined duration.

Abstract: Disclosed is a wireless communication terminal. The wireless communication terminal includes a transceiver transmitting/receiving a wireless signal; and a processor controlling an operation of the wireless communication terminal. The transceiver receives a first frame including information on a manner for accessing, by a plurality of wireless communication terminals including the wireless communication terminal, a base wireless communication terminal. The processor acquires a manner for accessing the base wireless communication terminal on a basis of the first frame. The transceiver accesses the base communication terminal on a basis of the manner for accessing the base wireless communication terminal. The base wireless communication terminal is any one communication terminal different from the plurality of wireless communication terminals.

Abstract: Provided are an electronic device and a control method for providing call continuity in a weak electric field environment.

Abstract: A surveillance system including a battery camera and a gateway. The battery camera includes a battery configured to supply power to the battery camera, a camera module configured to capture a surveillance area, a connector configured to directly connect to the gateway, a network module configured to communicate with the gateway, and a processor configured to charge the battery through the connector. The processor transmits high-quality images through the connector when the connector is connected to the gateway and transmits low-quality images through the network module when the connector is disconnected from the gateway.

Abstract: The technical idea of the present invention relates to a mobile robot for monitoring a network and a method for operating the same. According to the technical idea of the present invention, a method for operating a mobile robot for detecting at least one network comprises the steps of: moving to a first location; detecting a first network in the first location; determining whether the first network is an authorized network; determining the threat of the first network when the first network is not the authorized network; and transmitting information on the first network when the first network is determined as a threat as a result of the determination of the threat.

Abstract: A radio-frequency module including a module substrate having a first main surface and a second main surface on opposite sides; a low-noise amplifier disposed on the second main surface; and a power amplifier circuit in a Doherty configuration. The power amplifier including a first phase circuit; a second phase circuit; a carrier amplifier disposed on the first main surface and including an input terminal connected to a first end of the first phase circuit and an output terminal connected to a first end of the second phase circuit; and a peaking amplifier disposed on the first main surface and including an input terminal connected to a second end of the first phase circuit and an output terminal connected to a second end of the second phase circuit.

Abstract: In a communications method of a wearable device, if a second BLUETOOTH connection between user equipment and the wearable device is disconnected, a first BLUETOOTH connection between a network connection device and the wearable device is established, so that the network connection device may send, to the wearable device through the first BLUETOOTH connection, first information sent by the user equipment through a third communication connection to the network connection device. In this way, indirect communication between the user equipment and the wearable device is implemented by using the network connection device, so that the user equipment and the wearable device are not limited by a communication range.

Abstract: A method is provided of aligning a first alienable element with a second alignable element. A first article comprises the first alignable element and a second article comprises the second alignable element. A first antenna is coupled to the first alignable element and a second antenna is coupled to the second alignable element. The first antenna is identical to the second antenna. The method comprises: moving a first article relative to a second article; determining, during movement of the first article, at least one S-parameter of the first antenna and at least one corresponding S-parameter of the second antenna; and ceasing the movement of the first article when the at least one S-parameter of the first antenna matches the at least one corresponding S-parameter of the second antenna.

Abstract: A Wilkinson power combiner (202) is described that includes a high-pass, HP, frequency circuit (500, 550), wherein the HP frequency circuit (500, 550) comprises at least one of: (i) one input port (510) coupled to at least two output ports (512, 514) via at least two paths; and an input shunt inductor (520) coupling the input port (510) to ground; wherein the one input port (510) is coupled to the at least two output ports (512, 514) via respective series capacitances (230, 238) on the at least two paths, which in cooperation with the input shunt inductor (520) forms a first HP frequency circuit; and (ii) at least one resistor (554, 528)-inductor (552, 524), R-L isolation circuit (500, 550) configured to couple the at least two output ports (512, 514) that forms a second HP frequency circuit.

Abstract: Aspects relate to reducing interference in multi-subscriber identity module card (MSIM) wireless communication devices. The wireless communication device may select a first cell for communication in a first frequency band of a first frequency range utilizing a first SIM card. The wireless communication device may further identify a cell subset of set of cells operating in respective second frequency bands of a second frequency range that each minimize interference with the first frequency band. The wireless communication device may then select a second cell of the cell subset for communication utilizing a second SIM card.

Abstract: A method and system for daisy chaining tournament audio controllers, where the method comprises, in a headset coupled to a first audio controller, the first audio controller being in a daisy chain of audio controllers: receiving a chat signal from a second audio controller in the daisy chain of audio controllers, receiving a microphone signal from a microphone in the headset, summing the chat signal with the microphone signal, communicating the summed signal to a third audio controllers in the daisy chain, and communicating the chat signal to the headset. The microphone signal may be removed from the summed chat signal and microphone signal by adding a second microphone signal 180 degrees out of phase with the microphone signal. The chat signal may be summed with the microphone signal at an amplitude set by a user of the headset after the removal of the microphone signal.

Abstract: A circuit device includes a directional coupler with a first port receiving a radiofrequency signal, a second port outputting a signal in response to signal received by the first port, and a third port outputting a signal in response to a reflection of the signal at the second port. An impedance matching network is connected between the second port and an antenna. The impedance matching network includes fixed inductive and capacitive components and a single variable inductive or capacitive component. A diode coupled to the third port of the coupler generates a voltage at a measurement terminal which is processed in order to select and set the inductance or capacitance value of the variable inductive or capacitive component.

Abstract: A bridge combiner can be implemented as a coupling circuit that includes a common node and configured to couple the common node to a first group of filters through a first path and to couple the common node to a second group of one or more filters through a second path. The coupling circuit can include a resonator such that an impedance provided by each filter of the first group for a signal in each band of the second group results in the signal being sufficiently excluded from the first path, and such that an impedance provided by each filter of the second group for a signal in each band of the first group results in the signal being sufficiently excluded from the second path.

Abstract: Disclosed is a method comprising obtaining historical data from a plurality of access nodes comprised in a network, determining, for at least one of the plurality of access nodes, a region comprising a set of values for threshold pairs that comprise minimum and maximum threshold pairs, determining, from the region, one threshold pair, wherein the threshold pair defines pre-determined thresholds for determining if a cell is to be switched on or switched off, providing the threshold pair to the network for deployment, and collecting data regarding at least one key performance indicator from the plurality of access nodes.

Abstract: A control system for controlling an adjusting drive for an item of furniture includes a control device connected to the adjusting drive, and a first operating unit. The control device is configured to receive signals from the first operating unit transmitted wirelessly via a transmission unit over a first transmission link, and to control the adjusting drive as a function of the signals received. The control device is also configured to receive further signals from a second operating unit transmitted wirelessly via the transmission unit over a second transmission link and to control the adjusting drive as a function of the further signals received. The second transmission link differs from the first transmission link.

Abstract: A method comprises transmitting, to a terminal (101), at least one synchronization signal burst (150) in a time-limited channel access interval (405) of an open spectrum (409). The method further comprises transmitting, to the terminal (101), at least one paging signal (4004, 4005) in the channel access interval (405) of the open spectrum (409).

Abstract: An RF frontend integrated circuit (IC) device comprises one or more RF transceivers to transmit and receive RF signals within a first frequency band and a second frequency band that is higher than the first frequency band. The RF frontend IC device further comprises a bidirectional LO signal generation circuit coupled to the one or more transceivers to generate a bidirectional LO signal. The bidirectional LO signal is injected between the first frequency band and the second frequency band. The bidirectional LO signal generation circuit is to perform a high-side LO injection for the RF signals within the first frequency band by injecting the bidirectional LO signal having an LO frequency higher than the first frequency band and to perform a low-side LO injection for the RF signals within the second frequency band by injecting the bidirectional LO signal having the LO frequency lower than the second frequency band.

Abstract: Methods and apparatus provide for continuously acquiring information of an environment in which at least one of a communication device and a communication partner for the communication device is placed; and upon the acquisition of each information, determining from among a plurality of communication standards of frequency bands of radio waves, and based on the acquired information, the communication standard to be used for communication between the communication device and the communication partner, where the communication partner is located physically away from an entertainment device which generates video and audio.

Abstract: An apparatus includes a phase-locked loop and a jitter detection circuit. A method of detecting a jitter in the apparatus includes the phase-locked loop generating a lead control signal and a lag control signal according to a reference clock and a feedback clock, the jitter detection circuit generating a jitter signal according to the lead control signal and the lag control signal, the jitter detection circuit generating a jitter window signal according to the jitter signal, the jitter detection circuit identifying jitters in the clock signal according to the jitter signal and the jitter window signal, and the jitter detection circuit outputting a jitter indication signal according to the number of jitters identified.

Abstract: A method and system are disclosed herein for accepting multimodal inputs and deriving synchronized and processed information. A reusable multimodal application is provided on the mobile device. A user transmits a multimodal command to the multimodal platform via the mobile network. The one or more modes of communication that are inputted are transmitted to the multimodal platform(s) via the mobile network(s) and thereafter synchronized and processed at the multimodal platform. The synchronized and processed information is transmitted to the multimodal application. If required, the user verifies and appropriately modifies the synchronized and processed information. The verified and modified information are transferred from the multimodal application to the visual application. The final result(s) are derived by inputting the verified and modified results into the visual application.

Abstract: Aspects of this disclosure relate to a coupler circuit configured to receive an output of a radio frequency coupler. The coupler circuit can be arranged in a daisy chain with other coupler circuits. The coupler circuit can include a switch configured to turn on based on a signal level of a direct current component of a coupler signal from another coupler circuit and pass a radio frequency component of the coupler signal when on. The coupler circuit can pass the coupler signal while a module that includes the coupler circuit is otherwise inactive.

Abstract: Disclosed are techniques for determining a line-of-sight (LOS) path between a transmitter and a wireless device. In an aspect, a wireless device receives a first reference signal on a first frequency band at a first time, receives a second reference signal on a second frequency band at a second time, compares the first time to the second time, and determines, at least based on the comparison of the first time to the second time, which of the first reference signal and/or the second reference signal followed the LOS path between the transmitter and the wireless device.

Abstract: An apparatus for accessing a wireless fidelity (Wi-Fi) network, including a Wi-Fi processor and N Wi-Fi access circuits. N is a natural number greater than or equal to 2. The Wi-Fi processor is shared by the N Wi-Fi access circuits and implements an operation function related to Wi-Fi. The N Wi-Fi access circuits receives and transmits data at a same time through N Wi-Fi networks that operate on different radio frequency bands. Each Wi-Fi access circuit of the Wi-Fi access circuits comprises a Media Access Control (MAC) hardware and a physical layer (PHY) hardware.

Abstract: A signal acquisition method and device. Positioning signals as received are divided into at least two groups and frequency compensation is performed on each group of positioning signals. Each frequency compensated group of positioning signals is divided into at least two signal blocks, and an averaging operation is performed on the signal blocks in each group of signals, so as to obtain block-averaged groups of positioning signals. An acquisition result is determined based on the block-averaged groups of positioning signals. Noise power of each block-averaged group of signals is reduced. Therefore, noise power of received positioning signals can be reduced. This may improve signal-to-noise ratio of received signals and acquisition sensitivity of a receiver. Therefore, acquisition success rate of weak signals is increased.

Abstract: Embodiments of active baluns are disclosed. In an embodiment, an active balun includes input terminals configured to receive a single-ended input signal and a linear redriver configured to transform the single-ended input signal into a differential output signal.

Abstract: A high frequency module includes a duplexer that includes a transmission filter, a receive-only filter, and a power amplifier that power-amplifies a transmission signal. In order to improve the isolation characteristics between a transmission signal and a reception signal at the duplexer, the receive-only filter is arranged between the power amplifier and the duplexer.

Abstract: A guest engagement system and associated methods provide seamless engagement with guests of facilities through the use of wireless sensing technologies. The system makes use of individual guest devices which are carried by guests and used to automatically identify and authenticate the guests throughout the facility. Services can thereby be seamlessly provided to the guests throughout the facility. The services include automatic unlocking of doors, including hotel or state room doors, based on the guests' immediate proximity to their assigned room's door. The services also include automated payment services provided at checkout or vending terminals, and automated log-on to interactive displays and portals, among others, based on secure wireless authentication of the guest devices.

Abstract: Techniques for handing off media content between proximate display devices are provided. Based on a first media player device currently playing media content from a remote media server receiving a request to hand off the media content to a proximate second media player device, the first media player device may send a handoff token to a second media player device to enable the second media player device to play the media content from the remote media server. The handoff token may include an indication of the media content, an indication of a point within a stream of the media content, and/or credentials associated with the user of the first media player device. The second media player device may send the handoff token to the remote media server, which may send the media content to the second media player device based on verifying the information provided in the handoff token.

Abstract: A mobile terminal including an up-converter converting a baseband (BB) signal into a radio frequency (RF) signal and a controller controlling a voltage applied to the up-converter is provided. The up-converter includes a first transistor and a second transistor each having a gate to which a baseband voltage is applied, a third transistor having a drain connected in parallel to a drain of the first transistor, and a fourth transistor having a drain connected in parallel to a drain of the second transistor, and the up-converter and the mobile terminal with improved phase linearity characteristics may be provided.

Abstract: A small cell networking device includes a light sensor and a light control circuit. The device also includes a compartment in which at least one printed circuit board (PCB) is mounted. A first networking module, a second networking module, and a third networking module are mounted on the PCB. The first networking module is a gateway to a first cellular-based network. The second networking module is a gateway to a second cellular-based network. The third networking module monitors network traffic. First and second antennas are mounted to a first surface of the compartment, between a second surface of the compartment and the PCB. A third antenna is mounted to the second surface of the compartment between the second surface of the compartment and the PCB. The first, second, and third antennas are respectively coupled to the first, second, and third networking modules.

Abstract: A transmission apparatus according to an embodiment includes a power amplifier, an antenna switch, and a control circuit. The power amplifier amplifies and outputs a transmission signal. The antenna switch switches, among at least two or more antennas, an antenna configured to output the transmission signal from the power amplifier. The control circuit performs output power control of the power amplifier when the control circuit outputs to the antenna switch a switching control signal for switching the antenna.

Abstract: A satellite communication device and a method therefor are disclosed. The satellite communication device includes a first processor that generates schedule data about a satellite communication asset, a second processor that is located on a mobile vehicle spaced apart from the first processor and generates a control signal based on the schedule data, and a mediator that dynamically switches a link between at least one antenna and at least one modem based on the control signal.

Abstract: Disclosed are a display apparatus, a method of controlling the same, and a recording medium thereof, the display apparatus including: a display; a communicator configured to perform wireless communication with at least one device external to the display apparatus; and a processor configured to identify a material of an obstacle present in a vicinity of the display apparatus by obtaining information about the material of the obstacle, and control the communicator to transmit a transmission signal for the wireless communication based on the identified material of the obstacle.

Abstract: Embodiments of the present invention provide a method and an apparatus for scheduling a voice service in a packet domain. The method includes: obtaining at least one value of a first scheduling parameter corresponding to each protocol sublayer of L2 of a voice service, determining a condition needing to be satisfied by quality of service of the voice service, determining a value of a service scheduling parameter of the voice service based on the condition needing to be satisfied by the quality of service of the voice service and based on the at least one value of the first scheduling parameter, and scheduling the voice service based on the value of the service scheduling parameter of the voice service. In this way, a service scheduling parameter is adjusted at an appropriate time when a particular condition is satisfied, so that transmission quality of a link can be ensured.

Abstract: Aspects of the present disclosure relate to wireless communications and, more particularly, to adjusting how certain types of devices wake up and/or stay awake for broadcast service. A method for wireless communications is provided that may be performed by a user equipment (UE). The method includes receiving a power savings configuration indicating sleep periods during which the UE is scheduled to be unreachable. The method includes determining at least one time, during at least a portion of one of the indicated sleep periods, for the UE to be awake in order to at least one of: receive or discover Multimedia Broadcast Multicast Services (MBMS) user services.

Abstract: The invention provides method in a mobile communication system of transmitting data wherein the data is transmitted using a modulation and coding scheme, MCS, which is reconfigurable over a MCS re-configuration cycle length and wherein the data is transmitted using a reconfigurable transmit time interval, TTI, length, the MCS reconfiguration cycle length and the TTI length being different from each other.

Abstract: A paging method, a paging device, and system are described. A mobility management network element (MME) obtains location information of user equipment (UE) in a non-3rd Generation Partnership Project (3GPP) network, where the UE already accesses the non-3GPP network. The MME receives a downlink data notification message, where the downlink data notification message carries an identifier of the UE. The MME pages the UE according to the location information of the UE in the non-3GPP network. In some implementations, a paging range may be determined according to the location information of the UE in the non-3GPP network, and a paging message does not need to be sent to all base stations in a registration area of the UE.

Abstract: According to one embodiment, a beacon device is configured to provide power in the beacon device in response to a signal from a clock to enter a wake state from a sleep state. The beacon device is further configured to receive configuration parameters over the wireless network interfaces from a network device, monitor one or more of a beacon sensor or a user device over the wireless network interfaces according to the configuration parameters, transmit data over the network interfaces to the network device according to the configuration parameters, and monitor the clock for a signal to enter a sleep state. The beacon device is further configured to disrupt the power in the beacon device in response to the signal to enter the sleep state from the clock.

Abstract: A client device may be used to initiate or answer calls using a host device connected to a network. For example, when a phone operating as a host device receives an incoming call from a network, the phone may communicate the presence of the incoming call to one or more client devices such as laptop, desktop, tablet, or wearable devices that are associated with the host device. When an answer call selection is made at a client, a call answered communication may be sent from the client device to the host device. The host device may then communicate with the network to connect the call to the host, and when the call is connected, the host may hand-off the call to the client that sent the call answered communication.

Abstract: The disclosure embraces a system and method for providing a continuous communication link between a server computer and a symbol reading device, and a novel symbol reading device adapted for use in such a system. The system greatly simplifies the remote management, diagnostic evaluation, and monitoring of symbol reading devices, especially those devices connected to host devices that are not PC-based or running a complete operating system.

Abstract: System and method for improving the shaving experience by providing improved visibility of the skin shaving area. A digital camera is integrated with the electric shaver for close image capturing of shaving area, and displaying it on a display unit. The display unit can be integral part of the electric shaver casing, or housed in a separated device which receives the image via a communication channel. The communication channel can be wireless (using radio, audio or light) or wired, such as dedicated cabling or using powerline communication. A light source is used to better illuminate the shaving area. Video compression and digital image processing techniques are used for providing for improved shaving results. The wired communication medium can simultaneously be used also for carrying power from the electric shaver assembly to the display unit, or from the display unit to the electric shaver.

Abstract: Disclosed herein are wireless transceivers with switches to reduce harmonic leakage. The devices are configured to transmit and receive signals in a first frequency band and a second frequency band. The devices selectively decouple a power amplifier from a duplexer to reduce harmonic leakage into a receiving system. The decoupling is accomplished using a switch, the switch being operated responsive to a band select signal indicating the second frequency band as a receive band but not a transmission band and the first frequency band as a transmission band where the first frequency band has at least one harmonic that lies within a downlink sub-band of the second frequency band.

Abstract: A position estimation system (11) includes: a plurality of fixed stations (100a-100d) installed inside a building, the plurality of fixed stations (100a-100d) each measuring the signal strength of a radio signal transmitted from a mobile object (300); and a calculator configured to estimate a position of the mobile object (300) based on the signal strengths measured at the plurality of fixed stations (100a-100d), wherein each of the plurality of fixed stations (100a-100d) is installed in such a position that a distance to a top part of the mobile object (300) is equal to or less than a predetermined distance when the mobile object (300) is directly below the fixed station (100a-100d).

Abstract: Certain aspects of the present disclosure relate to techniques and apparatus for efficient support of connected discontinuous reception (C-DRX) by using a wireless device (e.g., a user equipment (UE)) with a second receiver. A wireless device with two receivers may place one receiver in a low power mode and take the receiver out of the low power mode in response to a signal received from a serving base station (BS) of the wireless device. A BS may direct a wireless device to enter a low power DRX (LP-DRX) mode or enhanced DRX mode having longer low power cycles than a non-enhanced DRX mode, and the wireless device may place a primary receiver in a low power mode in response to the directive from the BS. Other aspects, embodiments, and features are also claimed and disclosed.