Abstract: An operation method of an in-band full duplex (IFD) multiple-input multiple-output (MIMO) transceiver, including a reception part, a transmission part, an analog self-interference (SI) generator, and a self-interference cancellation (SIC) controller, may comprise generating, at the SIC controller, a control signal for analog SIC and digital SIC and outputting the control signal to the reception part and the analog SI generator; cancelling, at the SIC controller, SI of a transmission signal of the transmission part based on the control signal; and cancelling, at the reception part, SI of a signal of the reception part based on the control signal.

Abstract: A portable wireless communications adapter includes a wireless antenna and wireless access point electronics configured to communicated wirelessly with a portable electronic device. The portable wireless communications adapter further includes a wireless receiver, a wireless transmitter, and a location sensing module. The wireless receiver is configured to receive Wireless Avionics Intra-Communication (WAIC) communications over a WAIC frequency range between 4.2 gigahertz (GHz) and 4.4 GHz. The wireless transmitter is configured to send WAIC communications over the WAIC frequency range. The location sensing module is configured to determine a location of the portable wireless communications adapter relative to an interior of an aircraft based on WAIC communications received at the wireless receiver, and selectively enable and disable the wireless transmitter based on the determined location.

Abstract: A system that acquires information from at least first and second electronic devices, the information indicating a quality of a wireless link between the at least first and second electronic devices; generates adjustment information indicating an adjustment of at least one of a position, orientation, antenna position or antenna direction of at least one of the first or second electronic devices to improve the quality of the wireless link between the first and second electronic devices; and controls outputting the adjustment information.

Abstract: Provided herein are systems, methods, and software to manage group communications using distributed end user devices. In one example, a method of operating a communication device to facilitate secure group communications in a distributed communication environment is provided. The method includes establishing a communication channel (140) with an end user device (110), retrieving registration information from the end user device (110) over the communication channel (140), and generating a device configuration request including the registration information. The method further includes sending the device configuration request for delivery to a group management system (130) over a packet-based network (141), and responsive to receiving a particular device configuration, automatically configuring a group communications application executing on the communication device based on one or more parameters contained in the particular device configuration.

Abstract: Described is a mobile phone, which includes a rear housing, a display screen and a camera. The rear housing includes a first shell and a second shell. The first shell includes a primary backboard and side perimeter edges. The second shell includes a secondary backboard and outer perimeter edges. The secondary backboard is slidably connected with the primary backboard, and the secondary backboard is provided with a first position and a second position. At the first and second positions, the side perimeter edges are connected with and separated from the outer perimeter edges, respectively. The display screen is located at one side of the primary backboard. The camera is arranged on the secondary backboard. At the first position, the camera is blocked. At the second position, the camera is exposed and an orientation of a light incident surface of the camera is identical to that of the display screen.

Abstract: A mobile device case is disclosed. The mobile device case includes a body portion and a bottom portion. One portion includes a gasket configured to sealingly contact both the body portion and the bottom portion. The body portion and the bottom portion include mating curved surfaces. The gasket is a curved gasket that mates with the curved surfaces of the body portion and the bottom portion. The body portion and the bottom portion include a connection arrangement configured to releasably connect the body portion to the bottom portion. The connecting arrangement includes at least a first locking arrangement disposed in part on the first side of the body portion and the first side of the bottom portion.

Abstract: Provided is a transmission system including: a signal processing apparatus 2 configured to transmit, via a signal cable 4, a delta-sigma modulated signal obtained by performing delta-sigma modulation on a transmission signal that is an RF signal; and a wireless apparatus 3 configured to transmit, via the signal cable 4, a reception signal that is an RF signal. The signal processing apparatus 2 transmits the delta-sigma modulated signal to the wireless apparatus 3, and the wireless apparatus 3 transmits the reception signal to the signal processing apparatus 2. In the delta-sigma modulated signal, quantization noise is suppressed at the frequency of the reception signal. The reception signal is transmitted to the signal processing apparatus 2 while the delta-sigma modulated signal is being transmitted to the wireless apparatus 3.

Abstract: A method for testing a device under test with regard to spherical coverage is described, wherein a device under test is placed in an anechoic space to which a measurement antenna is assigned. A spherical coverage test is performed. The spherical coverage test is stopped after a minimum test criteria has been fulfilled. Further, a test system is described.

Abstract: An electronic device is provided that includes an antenna configured to receive a first signal and transmit a second signal. The electronic device also includes a transceiver configured to perform frequency conversion of the first signal and the second signal. The electronic device further includes a coupler path configured to transmit the second signal to the transceiver via a coupler, and a receive path configured to transmit the first signal, obtained from the antenna, to the transceiver. The electronic device also includes a switching unit configured to be connected with the transceiver and switch between the coupler path and the receive path.

Abstract: This specification discloses methods and systems for implementing a chip integrated scope (i.e., chip scope (CS)), which is a feature that allows a user to scope RF signals (internally and externally to the DUT (device under test)), by using the RF receive path (including amplifier, filter, ADC, DSP) to capture and store signal traces. In some embodiments, this specification discloses methods and systems to enhance the sampling rate and resolution of these signal traces by using subsampling techniques where a post-processing merges the subsampled traces (with different phase-shifts of say, for example, 0°, 90°, 180°, and 270°) into a single trace that will appear to have a sampling rate that is higher than a pre-determined sampling rate used to collect these subsampled traces.

Abstract: A module for a communications cell site includes: a mounting frame; a remote radio unit (RRU) mounted to the frame; a radio frequency (RF) signal conditioning unit mounted to the frame; and a cover mounted to the frame that covers the RRU and the RF signal conditioning unit.

Abstract: The invention is a method of managing communication between a portable device and a contactless reader able to communicate using a first wireless technology configured to communicate in a short-range mode. The method comprises the steps of: establishing a first channel between the contactless reader and a wireless unit, establishing between the wireless unit and the portable device a second channel using a second wireless technology which is configured: to operate with a range greater than that of said first wireless technology, to detect the position of the portable device with respect to the wireless unit, to handle an anti-collision phase, establishing a bridge between the contactless reader and the portable device through said first and second channels only if the detected position of the portable device matches with the contactless reader.

Abstract: An example system and method, during operation of first communication circuitry in a first operating mode comprising first power consumption, uses the first communication circuitry to perform packet arbitration for wireless communications by the first communication circuitry, second communication circuitry, and third communication circuitry. During operation of the first communication circuitry in a second operating mode comprising second power consumption, the example system and method uses the second communication circuitry to perform packet arbitration for wireless communications by the second communication circuitry and a third communication circuitry.

Abstract: The disclosed system comprises one or more small satellites (e.g., CubeSats), one or more ground transmitters, and one or more downlink receivers to facilitate ground-to-space short-burst data communications. The CubeSats are miniaturized or small-form satellites that orbit the Earth transmitting data to and from the ground transmitters and the downlink receivers in low Earth orbit. To efficiently use its surface area, in various embodiments, the CubeSats are designed with deployable and folding wings such that the zenith-pointing side of the wings comprises solar panels and the nadir-pointing side of the wings comprises an antenna. In various embodiments, to increase the data transmission capacity of the CubeSats, the CubeSats comprise a deployable phased array antenna and a software defined radio.

Abstract: A wireless radio tester for testing a device under test is provided. The wireless radio tester comprises a generation unit for transmitting a transmit waveform to the device under test, a measurement unit for receiving and analyzing a receive signal received from the device under test, a processing unit for triggering the measurement unit by interframe space marker information, and a IQ data memory configured to provide IQ data for the generation unit in order to form the transmit waveform. In this context, said IQ data comprises an interframe space marker according to the interframe space marker information.

Abstract: The invention provides a method for implementing an operation function in a two-way radio. The method includes the steps of adapting the operation function to a wirelessly connected terminal in response to triggering of the operation function of the radio, and enabling the terminal to obtain a corresponding operation interface through adapting the operation function; receiving an operation instruction sent by the terminal, wherein the operation instruction is an operation instruction of the operation function; and executing the operation instruction, and implementing the operation function in the radio through the execution of the operation instruction. In addition, the invention provides an apparatus matching the method, and a two-way radio terminal.

Abstract: An apparatus and method for a power-efficient framework to maintain data synchronization of a mobile personal computer (MPC) are described. In one embodiment, the method includes the detection of a data synchronization wakeup event while the MPC is operating according to a sleep state. Subsequent to wakeup event, at least one system resource is disabled to provide a minimum number of system resources required to re-establish a network connection. In one embodiment, user data from a network server is synchronized on the MPC without user intervention; the mobile platform system resumes operation according to the sleep state. In one embodiment, a wakeup alarm is programmed according to a user history profile regarding received e-mails. In a further embodiment, data synchronizing involves disabling a display, and throttling the system processor to operate at a reduced frequency. Other embodiments are described and claimed.

Abstract: One embodiment is directed to a distributed antenna system (DAS) comprising a plurality of nodes, including a head-end unit and a plurality of remote units that are communicatively coupled to the head-end unit. The head-end unit is configured to receive uplink received signals from remote units that wirelessly transceive signals in a coverage area. The head-end unit is configured to sum two or more of the uplink received signals to produce a summed uplink received signal. At least one of the nodes of the DAS includes a processing device configured to determine a transfer function and apply the transfer function to signals in the DAS to cancel, reduce, attenuate, or eliminate intermodulation byproducts in the summed uplink received signal.

Abstract: The present invention includes systems and methods for a near field communication (NFC) center that stores NFC information for various NFC devices and products. The NFC information is supplied by the device or product itself or from the manufacturer of the device or product. A user is then able to obtain the NFC information through their user mobile device from the NFC center. With the NFC information, the user can manage one or more NFC devices in real time.

Abstract: A structure comprises a first power coil configured to be magnetically coupled to a second power coil and an auxiliary coil over the first power coil, wherein at least one of the first power coil and the auxiliary coil has an 8-shaped structure.