Abstract: A magnetically configurable strap accessory for a mobile communications device and method of using the same is disclosed. The magnetically configurable strap accessory includes a strap and a base. The strap includes at least one strap magnet. The base includes at least one base magnet and a sleeve disposed at a first end of the base into which a portion of the strap can be retracted when the accessory is in a closed position and from which a portion of the strap can be extended when the accessory is in an open position. In the closed position, the strap is held in a substantially flat position against the base by way of magnetic attraction between at least one of the strap magnets and at least one of the first base magnets. In an open position, the strap is held in a substantially arched position with respect to the base hereby forming a loop between the base and the strap.

Abstract: There is provided mechanisms for reporting a faulty antenna port at a transmitting radio device. A method is performed by a receiving radio device. The method comprises receiving at least one reference signal transmitted at an antenna port of the transmitting radio device. The method comprises determining whether the antenna port is deemed faulty or not by subjecting the at least one reference signal to an evaluation criterion. The method comprises transmitting, when the antenna port is deemed faulty, a report to the transmitting radio device. The report indicates that the antenna port is deemed faulty.

Abstract: A transmission unit includes: a power amplification module that amplifies the power of an input signal and outputs an amplified signal; and a power supply module that supplies a power supply voltage to the power amplification module on the basis of a first control signal corresponding to the band width of the input signal. On the basis of the first control signal, the power supply module varies the power supply voltage in accordance with the amplitude level of the input signal in the case where the band width of the input signal is a first band width and varies the power supply voltage in accordance with the average output power of the power amplification module in the case where the band width of the input signal is a second band width that is larger than the first band width.

Abstract: Methods and apparatus are provided for displaying the operational parameters of a radio system located onboard an aircraft. The apparatus comprises a permanent radio display bar that shows an active radio frequency in use by the radio system and a variable radio display pad. The variable radio display pad shows multiple historical past radio frequencies previously used by the radio system and multiple predicted future radio frequencies for use along a flight plan of the aircraft. It includes a change command that allows a crew member to manually change the active radio frequency in the permanent radio display bar.

Abstract: An antenna apparatus for calibrating one or more of a plurality of antenna elements of an antenna array using one or more probes is disclosed. The apparatus includes an upconverter and/or downconverter (UDC) circuit and a calibration arrangement that includes a switching circuit. The switching circuit is configured to enable operation of the UDC in a first mode or in a second mode. When the UDC is in the first mode, the one or more probes are electrically disconnected from the UDC circuit and the UDC may be connected to at least one of the antenna elements. When the UDC is in the second mode, at least one of the one or more probes is connected to the UDC circuit.

Abstract: A radio-frequency signal transmitting and receiving circuit includes a power amplifier, a transmission band pass filter configured to transmit a radio-frequency input signal, a first reception band pass filter configured to transmit a first radio-frequency reception signal, a first low-noise amplifier configured to amplify the first radio-frequency reception signal and output a first radio-frequency output signal, a first transmitting and receiving filter having a first end and a second end, the first end being electrically connected to a first antenna terminal, and a switch configured to electrically connect the transmission band pass filter to the second end of the first transmitting and receiving filter to output the radio-frequency input signal to the first antenna terminal and electrically connect the second end of the first transmitting and receiving filter to the first reception band pass filter to receive the first radio-frequency reception signal from the first antenna terminal.

Abstract: An object is to provide an RF module arranged such that a user can understand the state of the RF module even when the user handles the RF module in a place at a distance from a BB module and that the user can understand the state of the RF module even if, for example, the BB module has some trouble. The RF module is connectable to the BB module which is disposed external to the RF module. The RF module includes a module controller configured to output data indicative of the state of the RF module exteriorly of the RF module without use of the BB module.

Abstract: Systems and methods are disclosed for correcting Local Oscillator (LO) phase misalignment between different Radio Frequency Integrated Circuits (RFIC) of an Advanced Antenna System (AAS).

Abstract: Embodiments of the present application relate to the communications field and disclose a calibration method and a communications device, capable of compensating for measured amplitude and phase results. The method includes determining a position error of each of the N antenna groups, and then determining an actual position of the antenna group based on a target position of the antenna group and the position error of the antenna group. A phase compensation value and/or an amplitude compensation value of the antenna group are determined for a target probe of the second device based on the actual position of the antenna group. Based on the phase compensation value and/or the amplitude compensation value of the antenna group, compensating is performed for a phase result and/or an amplitude result that are/is obtained by the target probe of the second device by measuring a signal transmitted by the antenna group.

Abstract: A radio-frequency module includes a mounting substrate having a first main surface and a second main surface on opposite sides of the mounting substrate; an external connection terminal arranged on the first main surface; and a first transmission power amplifier arranged on the first main surface. The first transmission power amplifier includes an amplifier first main surface closest to the first main surface, an amplifier second main surface that faces away from the amplifier first main surface, a first input-output electrode arranged on the amplifier first main surface and through which a radio-frequency signal input into the first transmission power amplifier or a radio-frequency signal output from the first transmission power amplifier is transmitted, and a first ground electrode arranged on the amplifier second main surface.

Abstract: Methods and apparatuses are provided that configure downlink and uplink signal paths by obtaining information about at least one of a downlink filter and an uplink filter in a duplexer unit after the duplexer unit is coupled to a primary uplink signal path and a primary downlink signal path. Based upon such information, at least one component of the downlink and uplink signal paths is adjusted to compensate for the insertion losses of a downlink filter and an uplink filter, where the downlink signal path comprises a secondary downlink signal path in the duplexer unit and the primary downlink signal path, and the uplink signal path comprises a secondary uplink signal path in the duplexer unit and the primary uplink signal path.

Abstract: A portable mobile phone storage box comprises a box body and a mounting mechanism, wherein the box body comprises a base, an upper cover, and a touch screen film. The base is provided with a storage groove. A touch groove is disposed in the top of the upper cover, and a mounting plate is arranged on the upper cover. An adhesive layer is arranged at the bottom of the mounting plate, and the touch screen film and the adhesive layer are bonded to each other by hot melting. A limiting mechanism is mounted at the bottom of the upper cover and comprises a hook and a loop. A shading plate is disposed on one side of the top of the upper cover. The mounting mechanism comprises a fixing seat and a supporting mechanism, wherein the supporting mechanism is mounted at the bottom of the fixing seat.

Abstract: A noise suppression device includes: a DFT executor that expands a baseband signal into a discrete Fourier series X0(n), the baseband signal being generated by mixing an AM broadcast wave signal including a carrier wave of the angular frequency ?C with a complex sine wave of the same frequency; and an amplitude spectrum calculator that calculates an amplitude spectrum |X0(n)| from X0(n). The noise suppression device also includes: an asymmetric component detector that detects an asymmetric component in |X0(n)|; a suppressor that calculates a discrete Fourier series X1(n) by multiplying the value corresponding to the asymmetric frequency bin by a first factor and multiplying the other values by a second factor in X0(n); and an IDFT executor that performs inverse discrete Fourier transform on X1(n) to obtain a discrete-time signal.

Abstract: Aspects of this disclosure relate to detecting power associated with an individual carrier of a carrier aggregated signal. In an embodiment, an aggregated carrier including at least a first carrier and a second carrier is provided. An indication of power of the first carrier of the aggregated carrier is detected. Separately from detecting the indication of power of the first carrier, an indication of power of the second carrier of the aggregated carrier is detected. The power associated with a radio frequency (RF) signal provided to an RF source associated with the first carrier can be adjusted based on the indication of power of the first carrier.

Abstract: A mobile device accessory comprising a base that affixes to a mobile device, and a rotating element, such as a rotary ball-bearing disc, coupled to said base allowing for the device to spin along the axis of the rotating element. The accessory may further comprise hinged or extendable arms. The accessory may further comprise a power source or motor for rotating the accessory. The accessory may further comprise a control circuit coupled to a software application capable of controlling the rotation of the spinning element.

Abstract: A multi-layer antenna arrangement is provided that includes a first layer having a conductive radiating element configured to have multiple overlapping resonant modes that define a first frequency range. The multi-layer antenna arrangement also includes a second layer having at least a portion of a ground plane for the conductive radiating element. The multi-layer antenna arrangement additionally includes a third layer, between the first layer and the second layer, that has a conductive resonator configured to provide a stop band within the first frequency range.

Abstract: A radio frequency circuit includes a first transfer circuit including a first filter and a second filter, and a second transfer circuit including a third filter and a fourth filter. Passbands of the first filter and the third filter at least partially overlap each other. Passbands of the second filter and the fourth filter at least partially overlap each other. The first filter transfers a radio frequency signal of a first communication system. The third filter transfers a radio frequency signal of a second communication system. The second filter transfers one of a radio frequency signal of the first communication system or a radio frequency signal of the second communication system. The fourth filter transfers the other of a radio frequency signal of the first communication system or a radio frequency signal of the second communication system.

Abstract: Examples described herein include systems and methods which include wireless devices and systems with examples of multiple frequency bands transmission with a recurrent neural network that compensates for the self-interference noise generated by power amplifiers at harmonic frequencies of a respective wireless receiver. The recurrent neural network may be coupled to antennas of a wireless device and configured to generate the adjusted signals that compensate self-interference. The recurrent neural network may include a network of processing elements configured to combine transmission signals into sets of intermediate results. Each set of intermediate results may be summed in the recurrent neural network to generate a corresponding adjusted signal. The adjusted signal is receivable by a corresponding wireless receiver to compensate for the self-interference noise generated by a wireless transmitter transmitting on the same or different frequency band as the wireless receiver is receiving.

Abstract: A front-end circuit includes: a power divider that performs power division on a radio frequency signal inputted to an input terminal, using a predetermined division ratio, and outputs resultant radio frequency signals from output terminals; a filter connected to one of the output terminals and having a first passband; and a filter connected to the other of the output terminals and having a second passband having a frequency range that at least overlaps a frequency range of the first passband.

Abstract: A method of interference mitigation may include receiving a desired signal from an asset of the system at an antenna assembly and associating the desired signal with relative phase distribution information based on a relative location of origin of the desired signal where the relative phase distribution information is predetermined for the antenna assembly. The method further includes receiving an interfering signal and associating the interfering signal with relative phase distribution information based on a relative location of origin of the interfering signal where the desired signal and the interfering signal forming a received signal set. The method further includes normalizing signals of the received signal set to respective relative phases associated with each respective relative location of origin, and performing interference cancellation of the interfering signal based on the normalized signals.