Abstract: A system, method and apparatus for detecting wireless video cameras includes receiving radio waves in a radio frequency band and filtering and down-converting the radio waves into an intermediate frequency. The intermediate frequency is then filtered, amplified, and demodulated into an FM video signal. Then it is determined whether synchronization pulses exist within the FM video signal and if substantial synchronization pulses exist within the FM video signal the detection of a wireless video signal is signaled (e.g., making noise, vibrating, or illuminating).

Abstract: The present invention provides a signal transceiver circuit including a band-stop filter, a first band-pass filter, and a second band-pass filter. The band-stop filter blocks signals between a first frequency and a second frequency for letting signals outside of the first frequency and the second frequency of the first multi-channel signal and the second multi-channel signal pass. The first band-pass filter blocks signals output by the band-stop filter outside of a third frequency and a fourth frequency for letting signals output by the band-stop filter between the third frequency and the fourth frequency pass. The second band-pass filter blocks signals outside of a fifth frequency and a sixth frequency of the first multi-channel signal and the second multi-channel signal for letting signals between the fifth frequency and the sixth frequency of the first multi-channel signal and the second multi-channel signal pass.

Abstract: An exemplary land mobile radio dispatch console and method are provided. In one embodiment, the console has the capability to process and handle Requests To Talk (RTT) and emergencies. In another embodiment, the console has the capability to provide a history. In another embodiment, the console provides the capability for operators to configure and save patches of predefined groups for later use. In another embodiment, the console includes a telephone interconnect interface component, and combinations of features mentioned above.

Abstract: A peripheral transmits an advertisement including an order of connection priority of when a central is connected to the own apparatus. The central receives the advertisement. The central acquires the order of connection priority included in the received advertisement. The central controls transmission of a connection request signal to the peripheral based on the acquired order of connection priority. In response to the transmitted advertisement, the peripheral receives a connection request signal transmitted from the central. According to the connection request signal, the peripheral establishes connection with the central.

Abstract: A multiple input multiple output (MIMO) calibration device (360) for calibrating a phase relationship between at least two signals present on at least two radio frequency (RF) paths coupling a wireless communication unit and the MIMO calibration device (360) is described. The MIMO calibration device (360) is operably coupleable via at least two RF paths between a wireless communication unit and an antenna arrangement (219).

Abstract: Provided is a method and device for reducing the power consumption of a mobile terminal. The method for reducing the power consumption of the mobile terminal includes the following steps: the current transmitting power of the mobile terminal and the current gain switching point of a power amplifier are obtained; when the difference between the obtained current transmitting power and the current gain switching point is less than a preset gain difference, the current gain switching point of the mobile terminal is increased by a first preset value.

Abstract: A communication device performs a method for detecting presence of a jamming signal. The method includes retrieving a scan list comprising multiple radio channels within a first frequency range of operation of the communication device. The method further includes scanning at least a subset of the channels on the scan list to determine, for each scanned channel, whether energy that exceeds an energy threshold is detected on the scanned channel. Moreover, the method includes determining a first quantitative measure based on a first plurality scanned channels having energy that exceeds the energy threshold, and comparing the first quantitative measure to at least a first jamming signal detection threshold. Additionally, the method includes indicating, on the communication device, presence of a jamming signal when the first quantitative measure satisfies the at least a first jamming signal detection threshold.

Abstract: A communication system periodically changes the carrier wave frequency or phase such that a signal traveling a reflected path no longer destructively interferes with a signal traveling a direct line-of-sight path. The communication system negotiates a periodic frequency or phase shift with a receiver, and then shifts the frequency or phase according to the negotiated schedule to maintain continuous communication.

Abstract: An apparatus for satisfying Specific Absorption Rate (SAR) compliance criteria including a first capacitance sensor, a second capacitance sensor, a memory, and a processor. The memory is configured to store pre-established proximity regions that include a free space region of proximity based on baseline capacitance measurements obtained from the sensors when no human body is proximate a wireless device and a first region of proximity based on initial capacitance measurements obtained from the sensors when the human body is spaced apart from the wireless device by a first predetermined separation distance. The processor is configured to instruct a radio frequency (RF) transmitter to operate at a first output power when subsequent capacitance measurements received from the sensors are within the free space region of proximity and at a second output power, less than the first output power when the subsequent capacitance measurements are within the first region of proximity.

Abstract: A NFC tag includes an NFC controller, with a secure element coupled to the NFC controller. The secure element is to send first configuration data to the NFC controller and not second configuration data. The first configuration data comprises data to be used by the NFC controller to generate responses to initial polling and anti-collision commands from an external NFC device and not data to be used by the NFC controller in processing a command from the external NFC device involving the use of an upper layer protocol. The second configuration data comprises data to be used by the NFC controller in processing a command involving the use of an upper layer protocol from the external NFC device.

Abstract: The present invention provides an intelligent power utilization communication product detecting system suitable for an intelligent power grid. The system includes: a simulation master station, including a master station computer and master station software and configured to perform communication data interaction with a detected acquisition terminal and determine the communication performance of the intelligent power utilization communication system according to the communication data interaction result; a remote wireless communication test and channel simulation subsystem, configured to test detected products; a local communication test and channel simulation subsystem, configured to perform channel environment simulation on a local communication channel between the detected products and complete communication performance test on the detected products; and a purification power supply subsystem, configured to provide electric energy and matched impedance and isolate external interference noise.

Abstract: A transceiver comprising a tank circuit, a variable differential conductance, VDC, coupled to the tank circuit, and a variable resistance coupled to the VDC is disclosed. The variable resistance is arranged to bias the VDC into a region of positive differential conductance during a first state of operation of the transceiver, and bias the VDC into a region of negative differential conductance during a second state of operation of the transceiver.

Abstract: An electronic device according to one of aspects includes: a display for displaying a notification screen that includes a notification area for notifying information; and a controller for shifting, when detecting an operation, the notification screen displayed on the display to an editing screen for editing the notification screen.

Abstract: Embodiments describe a communication system optimized for low latency and includes one or more high altitude platforms disposed at intervals in data communication with each other forming a communication path and at least two network centers separated from each other by a predetermined distance, where the high altitude platforms receive data signals from the network centers, travel along a communication path between the network centers, forming a data relay and transferring the data signals along the communication path. Additional embodiments may include intervals that are at different altitudes or different distances and/or provide one or more high altitude platforms that comprise at least one of satellites, high altitude balloons, or unmanned aerial vehicles.

Abstract: A communication apparatus includes a wireless communication unit which makes a wireless communication with a wireless apparatus, and is configured to read out data from a memory included in the wireless communication unit when electric power is not supplied from a power supply to the wireless communication unit. The communication apparatus specifies storage target data to be stored in the memory from those managed by the communication apparatus. The communication apparatus then saves the specified storage target data in the memory. The communication apparatus reads out data, which is saved in the memory, by the wireless communication unit in a state in which electric power is not supplied from the power supply to the wireless communication unit, and outputs the readout data to the wireless apparatus.

Abstract: Systems and methods are disclosed for adjusting transmit power in a wireless network. In one embodiment, a method is disclosed that includes identifying a selected base station with a first coverage area for adjustment of transmit power; identifying a plurality of neighboring base stations with coverage areas nearby the first coverage area; retrieving a plurality of signal strength measurements from a plurality of mobile devices within the coverage areas of the plurality of neighboring base stations; determining, based on the plurality of measurements, an effect on the plurality of mobile devices within the coverage areas of the plurality of neighboring base stations; and sending an instruction for adjustment of transmit power to the selected base station.

Abstract: Synchronized radio transceivers Disclosed are a method of and apparatus for controlling a first radio transceiver (18) and a second radio transceiver (20) which are connected to a common oscillator (16), wherein each transceiver (18, 20) is capable of communicating with one or more remote radio transceivers (12, 14). The method comprises: •the first transceiver (18) sending a synchronization signal to the second transceiver (20); and •the second transceiver (20) using the synchronization signal to en sure that neither transceiver (18, 20) transmits data while the other transceiver is in a receiving state.

Abstract: A wireless communication method is provided. This method includes: selecting one of a plurality of predetermined frequency bands each time a switch operation is manually performed in a transmitter, and then using the selected frequency band to transmit a radio signal corresponding to the switch operation for a predetermined specified transmission time; in a receiver apparatus, receiving the transmitted wireless signal, and then recognizing the content of a command that has already been assigned in accordance with the switch operation; and defining an intermittent reception standby period, which is repeated at a predetermined cycle for each of the frequency bands.

Abstract: A near field communication antenna device of a mobile terminal is provided. The near field communication antenna device includes a window including a display region for transmitting an image displayed by a display and a black mark region formed around the display region, a multi-layer Flexible Printed Circuit Board (FPCB) on which a plurality of layers are laminated on the lower side of the black mark region of the window, and a spiral loop-shaped antenna pattern in which conductive lines are formed on respective layers of the multi-layer FPCB and are connected to each other. Accordingly, a near field communication antenna is not disposed in a separated installation space, an antenna pattern width can be reduced, and performance of the near field communication antenna may be prevented from being degraded when a battery cover is made of metal or has a curved shape.

Abstract: An apparatus, system, and method for performing PDCCH preparation in RF circuitry are described. In one embodiment, power may be provided to a crystal oscillator to exit a first sleep state. One or more clocking signals may be provided to RF circuitry based on output from the crystal oscillator. Calibration and state restoration of the RF circuitry may be performed independent of baseband circuitry. A plurality of algorithms to prepare for receiving data form a wireless communication network may be performed independent of the baseband circuitry. After initiating the plurality of algorithms, state restoration of the baseband circuitry may be performed. Data may be received from a wireless communication network using the RF circuitry. The data may be processed using the baseband circuitry. State retention for the RF circuitry and the baseband circuitry may be performed. Finally, the crystal oscillator may be powered down to enter a second sleep state.