Abstract: A radio frequency module includes: a module board that includes a first principal surface and a second principal surface on opposite sides of the module board; a first power amplifier disposed on the first principal surface and configured to amplify a transmission signal in a first frequency band; a second power amplifier disposed on the first principal surface and configured to amplify a transmission signal in a second frequency band different from the first frequency band; and a switch disposed on the second principal surface and connected to an output terminal of the first power amplifier and an output terminal of the second power amplifier.

Abstract: A radio frequency module includes: a module board that includes a first principal surface and a second principal surface on opposite sides of the module board; a first power amplifier disposed on the first principal surface and configured to amplify a transmission signal in a first frequency band; a second power amplifier disposed on the first principal surface and configured to amplify a transmission signal in a second frequency band different from the first frequency band; and a power amplifier (PA) control circuit disposed on the second principal surface and configured to control the first power amplifier and the second power amplifier.

Abstract: A module board including a first principal surface and a second principal surface on opposite sides of the module board, the first principal surface and the second principal surface each having at least one circuit component mounted thereon; a plurality of external-connection terminals; a first switching integrated circuit (IC) connected to an antenna connection terminal that is one of the plurality of external-connection terminals; and a second switching IC connected to the antenna connection terminal, the second switching IC being different from the first switching IC. In the above-described module board, the plurality of external-connection terminals are disposed on the second principal surface, and at least one of the first switching IC or the second switching IC is disposed on the second principal surface.

Abstract: This envelope-detecting circuit comprises: a first multiplier able to multiply a first example of a signal received on an input port by itself, a modifier able to modify the amplitude of the power spectrum, of a second example of the signal received on the input port, at the frequency fc without modifying the amplitude of this power spectrum in a useful frequency band, a second multiplier able to multiply the modified signal by itself, a subtractor able to subtract from each other the signals delivered by the multipliers, a filter able to remove frequency components higher than or equal to 2fc in a signal obtained from the signal delivered by the subtractor, this filter being able to deliver the result of this filtering on an output connected to an output port of the envelope-detecting circuit.

Abstract: Method and apparatus are provided for generating and reporting actual UL transmission power. In accordance with some implementation, a UE sends a first indication of power headroom to a base station. The UE may, from the base station, one or more resources allocation for a UL transmission. UE then may determine actual transmission power to be used in the UL transmission. Upon determination, the UE may the UL transmission based on the determination and send an indication of the actual transmission power to the base station.

Abstract: Methods and systems are provided for optimal and adaptive urban scanning using self-organized fleets of autonomous vehicles. A mobile access point (MAP) may obtain, while operating within a communication network comprising one or more mobile access points (MAPs) and one or more fixed access points (FAPs), sensory information relating to an infrastructure utilized by the MAPs. The MAP may store the sensory information, may determine when access to a central entity, configured for managing the infrastructure and/or the communication network, is available via at least one fixed access point (FAP), and when access to the central entity is available, communicate the obtained sensory information. The MAP may include on-board sensors for directly obtaining at least some of the sensory information. The MAP may obtain at least some of the sensory information from fixed sensors deployed within or near the infrastructure. The MAP may comprise an autonomous vehicle (AV).

Abstract: A system for communicating with a wireless device including a base including a front surface; a plurality of communication coils disposed on the front surface and arranged in a matrix, the coils being tuned to a near-field communication frequency; a selector coupled to the coils; at least one memory storing instructions; and at least one processor coupled to the selector and executing the instructions to perform operations. The operations include at least receiving a plurality of feedback signals associated with the coils; identifying a selected one of the coils associated with a strongest one of the feedback signals; and causing the selector to couple the selected coil with a wireless communication module.

Abstract: A controller device for a motor vehicle, in particular for an autonomously operable motor vehicle, having a controller for operating the motor vehicle, and a protective device for protecting the controller from electromagnetic interference fields or interfering signals. The protective device has a receiver device for acquiring electromagnetic interference fields or interfering signals, a processing device for providing information about an electromagnetic interference field or interfering signal acquired by the receiver device, and a control unit that evaluates the acquired field and/or interference signal as a function of the acquired information.

Abstract: A switch is provided for a communication device operating in the RF or microwave frequency range. The switch can include one or more PIN diodes and a biasing circuit that includes one or more inductors. When operating at RF and/or microwave frequencies, the switch can be configured as a low pass filter using the parasitic inductances and capacitances of the PIN diodes and inductors to minimize the insertion loss of the switch. The parasitic capacitances for the low pass filter can be provided by operating the inductors of the switch above their self-resonant frequency such that the inductors operate like capacitors. The parasitic inductances for the low pass filter can be provided by the PIN diodes.

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. An information format and apparatus used by a base station to make a scheduling decision when the base station allocates resource to a terminal in a mobile communication system are provided. Operations of a terminal to report a maximum transmission power accurately to the base station in a scheduling process are also provided. A method for calculating a maximum transmit power in a constant manner regardless of a channel status is also provided.

Abstract: A system and method provide an enhanced listening experience for a user and a radio receiver or other device that receives broadcast or streamed content having a plurality of program channels. The method and system buffer designated channels at the receiver and, when switching among channels, play back the buffered designated channels during reception from a selected point therein depending on the channel or other criteria. When switching to a different channel during reception, a user is able to hear content in a buffered program channel with music from the start of a song, for example, whereas content in a channel with news, talk radio, or live sports is played back from live reception, even though the content segments are transmitted a different start times relative to thier selected times for playback following a channel change. User controls allow navigation among buffered designated channels during reception.

Abstract: Methods, devices and systems for increasing wireless communication range are provided. A device includes a reconfigurable antenna system having a plurality of antenna configurations; an antenna logic system configured to select one of the antenna configurations based on signal strength indicators of the plurality of antenna configurations; and a radio frequency (RF) transceiver configured to communicate with a client device using the selected antenna configuration.

Abstract: Systems and methods are described for registering and monitoring a status of a plurality of units of an in-flight entertainment system disposed within a vehicle. Using a portable computing device, each of the units can be registered with the server by reading a unique machine-readable identifier disposed on or near each unit. The identifier could be a barcode or other indicia or a NFC tag, for example. Location information about each unit can also be obtained via manual input or by reading a second identifier.

Abstract: A radio-frequency (RF) module includes a first transistor having a base, a collector, and an emitter, a radio-frequency output transmit path coupled to the collector of the first transistor at a first end and to a radio-frequency output port at a second end, and an output matching network disposed in the radio-frequency output transmit path, the output matching network including a shunt arm coupled to ground, the shunt arm including a switch that is controllable to modify an impedance of the output matching network.

Abstract: Disclosed herein are non-limiting examples of charge pumps that reduce the introduction of noise into a circuit in which they are implemented and/or lower the output impedance when providing certain voltages (e.g., negative voltage generators). The disclosed technologies utilize a plurality of smaller charge pumps (or charge pump units) working in parallel that operate on different clock phases rather than using a single charge pump with a relatively large flying capacitor or a plurality of charge pumps in series. This can, for example, reduce spurious signals or spurs that arise due at least in part to the characteristics of the clock signal. The disclosed technologies may be particularly advantageous for SOI-based components and circuits.

Abstract: Disclosed in the embodiments of the present invention are an open-loop power control method and device, relating to the field of wireless communications and comprising: sending a first signal/channel to a second wireless node; indicating the transmission power of said first signal/channel to the second wireless node; or sending the first signal/channel and a fourth signal/channel to the second wireless node; indicating the transmission power of said fourth signal/channel to the second wireless node; said transmission power is used by the second wireless node to calculate the downlink path loss and determine the transmission power of the uplink random-access signal. The invention is capable of ensuring, in a user-centered access context, that an appropriate transmission power is used to send an uplink random-access request, thus resisting the impact of path loss and preventing interference between uplink users.

Abstract: A logarithmic detector amplifying (LDA) system is provided for use as a high sensitivity receive booster or replacement for a low noise amplifier in a receive chain of a communication device. The LDA system may include an amplifying circuit configured to receive an input signal having a first frequency and generate an oscillation based on the input signal, a sampling circuit coupled to the amplifying circuit and configured to terminate the oscillation based on a predetermined threshold to generate a series of modulated pulses, and one or more resonant circuits including at least one variable capacitor, coupled with the amplifying circuit and configured to establish a frequency of operation and generate an output signal having a second frequency being substantially the same as the first frequency, with the operating frequency being adjustable in response to baseband information received from the system via the one or more variable capacitors.

Abstract: Aspects of this disclosure relate to an antenna array system and method of calibration using one or more probes disposed equidistant between antenna elements. In certain embodiments, calibration is performed between a probe and antenna elements, between a plurality of antenna elements, and/or between antenna elements on different antenna arrays.

Abstract: System and methods are described herein for automatically associating one or more passenger mobile devices with one or more specific wireless access points depending on each passenger location within the aircraft or other vehicle, and the status of each of the wireless access points including its functionality and load. In preferred embodiments, a tag can be captured or read by the passenger's device, which can then cause the passenger's device to connect with a specific wireless access point. In some embodiments, the passenger's device can also be automatically directed to a landing page, such as using a web browser of the passenger's device.

Abstract: According to one embodiment, an RF frontend IC device includes a first array of transceivers to transmit and receive RF signals of a first polarization associated with a first set of RF channels. The device includes a second array of transceivers to transmit and receive RF signals of a second polarization associated with a second set of RF channels. The device includes a first converter coupled to each transceiver of the first array of transceivers and a second converter coupled to each transceiver of the second array of transceivers. The first converter is to up-convert or down-convert a signal of the first polarization based on a LO signal. The second converter is to up-convert or down-convert a signal of the second polarization based on the LO signal. The first and second array of transceivers, and the first and second converters may be implemented within a single IC chip.