Abstract: Techniques are described for wireless communication. One method includes performing a first beam sweep procedure to determine a first beam pair that includes a transmit beam of a first wireless node and a receive beam of a second wireless node, identifying a level of correspondence at one or both of the first wireless node and the second wireless node, the level of correspondence being between a transmit beam and a receive beam of a respective wireless node and determining, based on the level of correspondence, a range of a second beam sweep procedure to be performed in determining a second beam pair that includes a transmit beam of the second wireless node and a receive beam of the first wireless node.

Abstract: A testing device for testing a device under test emitting a number of beams with respect to its beamforming behavior. Said testing device comprises an antenna, an analyzing unit, and a number of reflectors. Furthermore, each of the number of reflectors is configured to reflect at least one of the number of beams of the device under test to the antenna of the testing device.

Abstract: A case for portable electronic devices including smartphones includes a feature to prevent glare from a flash from affecting images and video captured by a camera lens and also a battery to extend battery life of the electronic device. Smartphones have telephony, Internet connectivity, and camera and video features. Photos and video can be uploaded through the Internet or sent to other phones. The case has a hole for a camera flash of the smartphone to pass through. The edging of the hole is colored black or another dark color to prevent glare from appearing in the photos or video taken by the smartphone when using the camera flash.

Abstract: A portable millimeter-wave wireless communications device relies on millimeter-wave spectrum for wireless communications. The millimeter-wave device may be a smart-phone, a laptop computer or a tablet computer. The millimeter-wave device may be a module that is added to an existing portable device such as a smart-phone, a laptop computer or a tablet computer to provide millimeter-wave communications capability. The module may be incorporated into a protective encapsulating case of such portable devices.

Abstract: Disclosed embodiments relate to a system that changes transmitter and/or receiver settings to deal with reliability issues caused by a predetermined event, such as a change in a power state or a clock start event. One embodiment uses a first setting while operating a transmitter during a normal operating mode, and a second setting while operating the transmitter during a transient period following the predetermined event. A second embodiment uses similar first and second settings in a receiver, or in both a transmitter and a receiver employed on one side of a bidirectional link. The first and second settings can be associated with different swing voltages, edge rates, equalizations and/or impedances.

Abstract: A wireless communication module is disclosed. The wireless communication module comprises a magnetic sensor configured to detect magnetic field data and a communication circuit. A controller is in communication with the magnetic sensor and the communication circuit. The controller is configured to monitor the magnetic field data and compare the magnetic field data to a first predetermined threshold. In response the magnetic field data exceeding the first threshold, the controller is configured to output an activation signal to the communication circuit. The communication circuit is configured to enter an active state in response to receiving the activation signal.

Abstract: A radio frequency signal can be received in an intermediate frequency mode suitable for radio wave reception conditions. An oscillator has a variable oscillation frequency. A quadrature demodulator includes a frequency mixer and generates an intermediate frequency signal having an intermediate frequency lower than the frequency of the radio frequency signal. An ADC receives the intermediate frequency signal passed through an analog filter and converts the received intermediate frequency signal to a digital signal. A channel selection signal processing section generates a demodulated signal from the intermediate frequency signal converted to the digital signal. A mode control section switches the operating mode of the quadrature demodulator between a zero intermediate frequency mode and a low intermediate frequency mode in accordance with the radio wave reception conditions.

Abstract: Method and apparatus are disclosed for status tests of wireless communication nodes of vehicles. An example vehicle includes communication nodes including a first node and a second node. The first node is to send a first of test signals to and receive a second of the test signals from the second node. The example vehicle also includes a controller to determine signal strengths of the test signals and at least partially disable passive entry passive start responsive to determining one or more of the communication nodes is impaired based upon the signal strengths.

Abstract: In an embodiment, an apparatus includes: a transmit circuit to upconvert a baseband signal to a first differential radio frequency (RF) signal, the transmit circuit to convert the first differential RF signal to a first single-ended RF signal; a duty cycle correction circuit coupled to the transmit circuit to receive the first single-ended RF signal and compensate for a duty cycle variation in the first single-ended RF signal to output a duty cycle-corrected RF signal; a conversion circuit to convert the duty cycle-corrected RF signal to a second differential RF signal; and an interface circuit to transfer the second differential RF signal from a first ground domain to a second ground domain.

Abstract: A base station transmits at least one message to a wireless device. The at least one message comprises one or more configuration parameters of: a plurality of cells grouped into a plurality of groups, and a pathloss reference of a secondary cell. The base station receives uplink signals on the secondary cell. Transmission power of the uplink signals in the secondary cell is determined, at least in part, employing measurement of downlink signals of the pathloss reference of the secondary cell.

Abstract: A microwave modulation device includes a first radiator; a second radiator disposed on the first radiator; a third radiator disposed on the second radiator; a support structure disposed between the first radiator and the second radiator; and a modulation structure disposed between the second radiator and the third radiator. A microwave-transmission layer is located among the space defined by the first radiator, the second radiator, and the support structure. The microwave-transmission layer is gas, substantially vacuum, liquid or insulating material.

Abstract: A method of receiving an RF signal is applied to a receiving circuit of a wireless communication system and amplifies the RF signals according to an analog gain. The RF signal includes data signals and interference signals. The method includes steps of: employing a low noise amplifier (LNA) to amplify the RF signal according to a first gain to generate an amplified RF signal, the first gain being associated with a first bias signal; detecting the amplified RF signal in an RF band to generate a control signal corresponding to the power of the amplified RF signal, the control signal being an analog signal; providing the first bias signal to the LNA according to the control signal; down-converting the amplified RF signal to generate an intermediate frequency or baseband signal; and filtering the intermediate frequency or baseband signal to filter out the interference signal and thus obtain the data signal.

Abstract: A wireless communication device includes an amplifier block amplifying a radio frequency (RF) input signal. The amplifier block includes: a first amplification unit and a second amplification unit. The first amplification unit amplifies the RF input signal to generate a first RF amplified signal including a first non-linearity factor and a second RF amplified signal including a second non-linearity factor, and combines the first and second RF signals to generate a third RF amplified signal. The second amplification unit receives and amplifies the third RF amplified signal to output an RF output signal corresponding to the at least one carrier.

Abstract: Techniques for enhancing the inter-frequency measurement gap to reduce measurement delay between an user equipment (UE) and an evolved NodeB (eNB). These embodiments may include identifying, by a UE, a measurement gap configuration that includes a measurement gap repetition period (MGRP), that is less than 40 milliseconds, ms; and performing inter-frequency or inter-radio access technology, RAT, measurement based on the measurement gap configuration. The embodiments may also include receiving, by an eNB, a request from a UE, for a measurement gap configuration that includes a measurement gap repetition period (MGRP) less than 40 ms; and transmitting an indication of a gap pattern that includes a MGRP that is less than 40 ms. Other embodiments may be described and/or claimed.

Abstract: A down converter, including first and second biasing circuits, mixer, and transformer coupled to receive amplifier output signal. The first and second biasing circuits each include a biasing transistor and a first and second node, respectively. Mixer includes first and second transistors coupled to first node and third and fourth transistors coupled to second node. The second and fourth transistors are coupled to a third node. The first and third transistors are coupled to a fourth node. Mixer also includes a first resistor coupled to the fourth node and a supply voltage node and a second resistor coupled to the third node and a supply voltage node. Transformer includes a primary winding coupled to receive the amplifier output signal and to a supply voltage and a secondary winding coupled to mixer and first biasing circuit at first node and coupled to mixer and second biasing circuit at second node.

Abstract: A system for interference mitigation includes: a first transmit coupler; a receive-band noise cancellation system; a first transmit-band filter; a second transmit coupler; a first receive coupler; a transmit-band noise cancellation system; a first receive-band filter; and a second receive coupler.

Abstract: Injectable transmitters are provided that can include a body with the body housing a power source and an oscillator, the injectable transmitter also including an antenna extending from the body, the body and antenna being of sufficient size to be injected through a 9 gauge needle. Radio frequency transmitters are provided that can include a body extending from a nose to a tail with the body housing a power source and RF signal generator components. The power source of the transmitter can define at least a portion of the nose of the body. The transmitters can have an antenna extending from the tail. Methods for attaching a radio frequency (RF) transmitter to an animal are provided. The methods can include providing an RF transmitter and providing an injection device having a needle of gauge of 9 or smaller; providing the RF transmitter into the injection device; and providing the RF transmitter through the 9 gauge or smaller needle and into the animal.

Abstract: Aspects of this disclosure relate to an impedance transformation circuit for use in an amplifier, such as a low noise amplifier. The impedance transformation circuit includes a matching circuit including a first inductor. The impedance transformation circuit also includes a second inductor. The first and second inductors are magnetically coupled to each other to provide negative feedback to linearize the amplifier.

Abstract: A technology is described for a channelization of a signal booster. A downlink (DL) and uplink (UL) signal can be channelized. A base station coupling loss (BSCL) can be estimated for selected channels in the channelized downlink signal. One or more channels in the UL and/or DL signal can be filtered to increase the BSCL, in order to increase one or more of an uplink signal gain and a noise power for the signal booster while maintaining network protections.

Abstract: A radio station communicates control information for multipoint cooperating communication, in which a plurality of radio stations takes part in data transmission/reception of a terminal, with another radio station taking part in the multipoint cooperating communication and/or a control station that manages the radio station.