Abstract: A user equipment in wireless communication system is provided. The user equipment includes an antenna unit including a plurality of antennas, a control unit for grouping the plurality of antennas into a predetermined number of antenna groups and controlling separately transmission power of each of the predetermined number of antenna groups, and a transmitting unit, connected to the control unit, for transmitting at least one of data and control information to a base station via at least one of the predetermined number of antenna groups.

Abstract: Disclosed is a method for calculating a radio coverage in a wireless device for calculating a protective distance so as not to allow a secondary user sharing a frequency with a primary user to have an effect of radio interference on the primary user, the method including: calculating a transmission power of a wireless signal transmitted through the frequency by the secondary user; determining a region affected by the wireless signal based on the transmission power of the secondary user; calculating an average ground clearance of the determined region; calculating a height of an installation place of an antenna of the secondary user from the average ground clearance; and calculating the height of the antenna from the average ground clearance by adding a length of the antenna of the secondary user to the calculated height and calculating the radio coverage based on the height from the average ground clearance.

Abstract: A terminal comprises: an electric quantity acquisition unit for acquiring the real-time electric quantity of a battery of the terminal; an electric quantity judgment unit for judging whether the real-time electric quantity of the battery is lower than a preset electric quantity value; and a state adjustment unit for adjusting the state of a working component in the terminal in the case that the judgment result of the electric quantity judgment unit is yes. The working state of the terminal may be adjusted according to the real-time electric quantity of the battery of the terminal, the problem that the battery output voltage of the terminal suddenly decreases below the safe working voltage of hardware thereof is solved, the operating stability of the terminal is ensured while taking the performance of the terminal into account.

Abstract: Soft information for achieving interference cancellation in downlink transmissions can be communicated over device-to-device (D2D) links, thereby allowing paired user equipments (UEs) to receive downlink transmissions over the same radio resources. More specifically, paired UEs that receive transmissions over the same time-frequency resources may exchange soft or hard information over D2D links in order to facilitate interference cancellation. The D2D links may be unidirectional or bidirectional, and may be established over in-band or out-of-band resources. Paired UEs may be in the same or different cells, and may receive their respective transmissions from the same or different transmit point. UEs may be paired with one another based on various criteria, e.g., interference cancellation capabilities, scheduling metrics, etc.

Abstract: A stationary short-range wireless communication device acts as a node of a network where nodes are isolated from each other and comprises a communication unit detecting at least one mobile wireless device in the vicinity of the node, a data memory provided for node data (ND) and a control unit controlling the transfer of data between the stationary short-range wireless communication device and the mobile wireless device, which transfer comprises the transfer of node data (ND). The mobile wireless device comprises a data memory for node data (ND) and a control unit (60) that receives the data from the node comprising node data (ND), stores the node data (ND) in the data memory, determines if the mobile wireless device is in the vicinity of another network node and if so transfers the node data to the other network node.

Abstract: A system that incorporates teachings of the present disclosure may include, for example, a non-transitory computer-readable storage medium including computer instructions to obtain at least one operational parameter associated with a communication device and to adjust a steerable antenna of the communication device when the communication device does not satisfy an impedance threshold, where the satisfying of the impedance threshold is determined based on the at least one operational parameter. Additional embodiments are disclosed.

Abstract: A portable electronic device according to the present invention is provided with a casing formed by joining two cabinets together. A housing chamber for an electric component is recessed on at least either one cabinet and is open toward an inner face of the other cabinet. Mating surfaces located on both the cabinets overlap each other around the housing chamber. A water entry portion leading to a clearance between the mating surfaces is located on an exposed surface exposed to the outside of the casing in an upper part of the casing. A groove extending in a right-left direction along the hosing chamber is recessed on the mating surface of at least either one cabinet of the two cabinets at a position away upward from the housing chamber.

Abstract: An apparatus comprising a first antenna, a second antenna, wherein the first antenna and the second antenna comprise a common conductor, a variable load connected between the common conductor and a ground connection, wherein an impedance of the variable load is variable, and wherein an operating frequency of the first antenna and the second antenna depends on the impedance, and a selection switch coupled to the first antenna and the second antenna, wherein the selection switch is configured to activate the first antenna and deactivate the second antenna in a first state, and wherein the selection switch is configured to activate the second antenna and deactivate the first antenna in a second state.

Abstract: An apparatus for allocating resources in a communication system includes a reception unit configured to receive information on a terminal from the terminal when the terminal initially accesses the apparatus in order to receive communication service, a determination unit configured to check information on a bandwidth for providing the communication service to the terminal, the information on the terminal, and information on a satellite and determine the size of a resource block group to be allocated to the terminal by taking the information on the bandwidth, the information on the terminal, and information on the satellite into consideration, and an allocation unit configured to allocate resource blocks corresponding to the size of the resource block group to the terminal in order to transmit and receive data packets to and from the terminal.

Abstract: Techniques support data transmission and reception on multiple bands for carrier aggregation. In an exemplary design, an apparatus (e.g., a wireless device) includes first and second antenna interface circuits coupled to first and second antennas, respectively. The first antenna interface circuit includes a first quadplexer for first and second bands. The second antenna interface circuit includes a second quadplexer for the first and second bands. The first quadplexer may be a duplicate of the second quadplexer, which may simplify implementation. Each antenna interface circuit may further include a diplexer, a duplexer, a triplexer, another quadplexer, switches, etc. The first and second quadplexers may support data transmission and reception on two bands in a first band group. Other circuits in the first and second antenna interface circuits may support data transmission and/or reception on additional bands, possibly in one or more other band groups.

Abstract: A method for near field communication (NFC) radio frequency communication includes acquiring, second configuration information of established radio frequency communication, where the established radio frequency communication is radio frequency communication that a second NFC host performs with a remote NFC endpoint using a near field communication controller (NFCC); and if the second configuration information matches first configuration information of radio frequency communication to be initiated by the first NFC host, sending, to the NFCC, an activate request command used to activate a radio frequency interface corresponding to the first configuration information, so that the NFCC activates the radio frequency interface and the first NFC host performs the radio frequency communication with the remote NFC endpoint through the radio frequency interface. The embodiments of the present invention provide a radio frequency communication mechanism for an NFC device under a multi-host architecture.

Abstract: A method of determining a calibration of a near field communication, NFC, device, the NFC device comprising a receiver circuit, a transmitter circuit and a load modulator circuit, the method comprising: generating a carrier signal in the transmitter circuit, generating a modulation signal in the load modulator circuit, generating a modulated carrier signal, comprising first and second frequencies, by applying the modulation signal to the carrier signal, applying the modulated carrier signal at an input of the receiver circuit, and determining a response parameter of the receiver circuit on the basis of the response of the receiver circuit to the first and second frequencies in the modulated carrier signal.

Abstract: Implementations are disclosed for obtaining a range state of a device operating in an indoor environment with radio frequency (RF) signal sources. In some implementations, windowed signal measurements obtained from RF signals transmitted by an RF signal source are classified into range classes that are defined by threshold values obtained from a RF signal propagation model. A range class observation is obtained by selecting a range class among a plurality of range classes based on a percentage of a total number of windowed signal measurements that are associated with the range class. The range class observation is provided as input to a state estimator that estimates a range class that accounts for process and/or measurement noise. The output of the state estimator is provided as input to a state machine.

Abstract: An input/output system interconnects a mobile terminal, a cooperative processing apparatus, and a plurality of electronic devices, and is configured to implement a cooperative process of prompting an electronic device corresponding to an input apparatus to input electronic data and prompting an electronic device corresponding to an output apparatus to output the input electronic data.

Abstract: A multimedia device and method provide a hands-free service to automatically or manually perform hands-free connection according to a driver's situation. The multimedia device includes a communication unit configured to perform BLUETOOTH communication with a mobile terminal, a sensor unit including a sensor configured to sense opening and closing of a door of a vehicle and sense a change in pressure generated in seats provided in the vehicle, and a controller, when BLUETOOTH communication is connected to the mobile terminal which is performing call communication, configured to switch the call to a hands-free service upon determining whether the door is opened or closed and a change in pressure generated in a seat.

Abstract: Systems and methods for processing, transmitting and displaying data received from an analyte sensor, such as a glucose sensor, are provided. In an embodiment, a method for transmitting data between a first communication device associated with an analyte sensor and a second communication device configured to provide user access to sensor-related information comprises: activating a transceiver of a first communication device associated with an analyte sensor at a first time; and establishing a two-way communication channel with the second communication device; wherein the activating comprises waking the transceiver from a low power sleep mode using a forced wakeup from the second communication device.

Abstract: A wireless electronic device may include switching circuits that perform time division duplexing by toggling between a first configuration in which radio-frequency signals received from antennas are routed to the transceivers and a second configuration in which the antennas are coupled to antenna switching circuitry. The antenna switching circuitry may receive radio-frequency transmission signals from the transceivers and route the transmission signals to a selected one of the antennas. The antenna switching circuitry may be controlled by control circuitry such as baseband circuitry and/or storage and processing circuitry on the device. The antenna switching circuitry may be controlled to accommodate antenna transmit diversity without affecting reception of radio-frequency signals, because the switching circuits that perform time division duplexing may form signal reception paths that are unaffected by the configuration of the antenna switching circuitry.

Abstract: A dual band printed antenna pair operates simultaneously at both WLAN frequency bands (2.4 GHz/5 GHz). The antenna pair provides high isolation between both antennas while having an efficient over the air performance. The antenna pair achieve greater than 20 dB isolation at 2.4 GHz and 5 GHz band, while having antennas positioned in close proximity. The high isolation is accomplished using an orthogonal antenna configuration (exploiting orthogonal polarization) and a parasitic element to further enhance isolation at 2.4 GHz. The antenna pair and parasitic element are printed on a Printed Circuit Board (PCB) adding relatively little cost to the Radio Frequency (RF) interface. The PCB is then fixed on top of a metal chassis with the antenna keep out area overhanging a corner of the metal chassis to enhance performance.

Abstract: A system and method for enabling the integration of mobile telephone functions and the UPnP-enabled digital home. In an UPnP control point device, such as a UPnP mobile telephone, implementing the present invention, events such as the receipt of an incoming telephone call or message in the UPnP control point device application program interface can trigger the requesting of different UPnP actions in UPnP devices that relate to the event. In the UPnP environment, the UPnP control point device serves as a control point and transmits instructions to other devices. For example, the receipt of a phone call could cause the volume on a stereo or television to be lowered or muted, it could cause both live and taped television programs to pause, or it could perform other functions. A UPnP control point device of the present invention can also transmit instructions based upon requests received from remote locations.

Abstract: A user equipment in wireless communication system is provided. The user equipment includes an antenna unit including a plurality of antennas, a control unit for grouping the plurality of antennas into a predetermined number of antenna groups and controlling separately transmission power of each of the predetermined number of antenna groups, and a transmitting unit, connected to the control unit, for transmitting at least one of data and control information to a base station via at least one of the predetermined number of antenna groups.