Abstract: A pre-processing unit for a signal processor includes a pre-processing element. The pre-processing element is configured to receive data to be processed by the signal processor, to pre-process the receive data and to output the pre-processed data. The data is pre-processed based on a control signal describing an undesired signal characteristic of a supply voltage for the signal processor in order to compensate an influence of the signal characteristic of the supply voltage on the processing of the data.

Abstract: A device includes a digital-to-time converter and an interpolator having a data input and a data output coupled to the digital-to-time converter. The interpolator may be configured to receive a converter control signal at the data input and to provide an interpolated converter control signal at the data output. An interpolation rate of the interpolator may depend on the converter control signal.

Abstract: Some aspects of the present disclosure relate to a low-noise amplifier (LNA) having a balun configuration. The LNA includes a DC current path coupling a first DC supply node to a second DC supply node. First and second output nodes and first and second input nodes are spaced apart along a length of the DC current path. A single-ended radio frequency (RF) input terminal is configured to deliver a single-ended RF signal to the first and second input nodes. A differential RF output terminal is made up of the first and second output nodes. The first and second output nodes are configured to cooperatively establish a differential output signal based on the single-ended RF signal. Other devices and methods are also disclosed.

Abstract: A switched mode power supply provides a reduction of switching losses and increased efficiency. The switched mode power supply includes a first switch coupled to an input terminal configured to receive an input voltage, a second switch, an inductor and an output capacitor. The first switch and the second switch are coupled together at a node, the inductor is coupled between the node and an output terminal, and the output capacitor is coupled to the output terminal. The switched mode power supply further includes a transformer coupled between a control input of the first switch and the node and a pulse generator connected to a control input of the second switch. Further, the transformer includes at most two windings, in particular a primary winding and a secondary winding which are not directly connected to each other.

Abstract: A radio receiver apparatus includes a serving cell detector configured to generate a detected serving cell signal based on a serving cell detector input signal. The radio receiver apparatus further includes a first interfering cell detector configured to generate a detected first interfering cell signal based on a first interfering cell detector input signal and a first interfering cell synthesizer configured to generate synthesized first interfering cell signal based on the detected first interfering cell signal. A serving cell interference removing unit is configured to remove the synthesized first interfering cell signal from a serving cell signal to generate the serving cell detector input signal.

Abstract: One embodiment relates to a feedback receiver (FBR). The FBR includes a FBR signal input configured to receive a radio frequency (RF) signal, a first local oscillator (LO) signal input configured to receive a first LO signal having an LO frequency, and a second LO signal input configured to receive a second LO signal having the LO frequency. The second LO signal is phase shifted by approximately 90° relative to the first LO signal. FBR also includes a divider that induces a time-varying phase shift in the first and second LO signals while concurrently retaining a 90° phase shift between the first and second LO signals.

Abstract: Embodiments of the present invention create a circuit having a digital-to-time converter with a high-frequency input for receiving a high-frequency signal, a digital input for receiving a first digital signal, and a high-frequency output for the provision of a chronologically delayed version of the HF signal. In addition, the circuit has an oscillator arrangement for the provision of the high-frequency signal, having a phase-locked loop for adjusting a frequency of the high-frequency signal. The digital-to-time converter is designed to chronologically delay the received high-frequency signal based on the first digital signal received at its digital input.

Abstract: Embodiments of the invention relate generally to communication devices and to a method for transmitting data. In an embodiment of the invention, a communication device is provided. The communication device may include a first access technology circuit providing signal transmission in accordance with a first access technology to transmit user data encoded in accordance with the first access technology, and a second access technology circuit providing signal transmission in accordance with a second access technology, wherein the second access technology is different from the first access technology, to transmit control data encoded in accordance with the first access technology and to transmit control data encoded in accordance with the second access technology.

Abstract: A method includes determining a sequence of first coefficient estimates of a communication channel based on a sequence of pilots arranged according to a known pilot pattern and based on a receive signal, wherein the receive signal is based on the sequence of pilots transmitted over the communication channel. The method further includes determining a sequence of second coefficient estimates of the communication channel based on a decomposition of the first coefficient estimates in a dictionary matrix and a sparse vector of the second coefficient estimates, the dictionary matrix including filter characteristics of at least one known transceiver filter arranged in the communication channel.

Abstract: A system includes a functional unit having a plurality of components. The system further includes trace resources for tracking processes executed by the functional unit. The trace resources include a network configuration having a plurality of nodes and a plurality of monitors, wherein each of the monitors is coupled to a node and is configured to determine trace information of a component. Further, a trace unit is coupled to the network configuration.

Abstract: A switched mode power supply includes a first switch, a second switch, an inductor, an output capacitor, and a driving circuit for driving the first switch and the second switch. The driving circuit is electrically coupled to a node between the first and second switches.

Abstract: A self-calibration circuit and associated method for testing an RF device includes the RF device to be tested having transmit and receive sections, and a built-in self test (BIST) circuit coupled to the transmit and receive sections of the RF device on the same chip. The self-calibration circuit is configured to calibrate the receive section of the RF device in a receive test mode, and calibrate the transmit section of the RF device in a subsequent transmit test mode using the calibrated receive section to measure a transmit output signal from the transmit section and to provide calibration data therefrom used in the transmit section calibration. The self-calibration circuit may include a duplex filter coupled between the transmit and receive sections and the BIST circuit, and a multiplexor coupled between the RF device, and the BIST circuit, configured to select one or more of a plurality of RF devices to be tested.

Abstract: Power control schemes for D2D communications are described. The schemes control the transmission power of a UE during D2D communications in a manner that reduces interference while maintaining the D2D communications link and the cellular link with the eNB. Open-loop and/or closed-loop techniques are employed.

Abstract: A RF digital to analog converter has a first capacitor arrangement, a first common node, and a first controller. The first capacitor arrangement has multiple switchable capacitor paths arranged in parallel. Respective switchable capacitor paths have a switchable element and a capacitor coupled in series. The first common node is connected to the multiple switchable capacitor paths. The first controller receives a baseband signal having a component, and a local oscillator (LO) signal. The first controller combines the component and the LO signal to obtain a first modulation signal. The first controller controls the multiple switchable capacitor paths of the first capacitor arrangement with the first modulation signal.

Abstract: A communication terminal is described comprising a determiner configured to determine, for a frequency region, a plurality of first communication devices from which the communication terminal receives a signal via the frequency region; a selector configured to select at least one of the first communication devices based on a predetermined interference criterion; a signal generator configured to generate a signal with an identification of the at least one selected first communication device; and a transceiver configured to transmit the signal to a second communication device, to receive an indication from the second communication device specifying whether the communication terminal should use the frequency region for data communication with the second communication device, and to carry out data communication with the second communication device using the frequency region depending on the indication.

Abstract: The invention relates to a method that includes transfer of data encoded on the basis of a first encoding scheme via an interface between a baseband assembly and a radio-frequency assembly of a mobile radio transceiver. The method further includes transfer of a data sequence which is encoded on the basis of the first encoding scheme and which identifies a change of encoding scheme from the first encoding scheme to a second encoding scheme. Lastly, the method includes transfer of data encoded on the basis of the second encoding scheme via the interface.

Abstract: One embodiment relates to a low intermediate frequency (IF) receiver. The low-IF receiver includes an analog front end that is configured to receive a modulated IQ data signal and provide an in-phase signal and a quadrature signal, where the in-phase signal is phase shifted by approximately 90° relative to the quadrature signal. The low-IF receiver further includes a digital processing block, and a single path that provides only one of the in-phase signal and the quadrature signal to the digital processing block. Other receivers and methods are also disclosed.

Abstract: For example, a circuit arrangement is provided comprising a clock generator configured to generate a clock signal, a circuit having a low power mode, and a controller, configured to receive, when the circuit is in the low power mode, a request specifying that the circuit should return from the low power mode and trigger the circuit to return from the low power mode when the number of clock cycles of the clock signal since the reception of the request has reached a threshold value.

Abstract: An apparatus provides a baseband signal for exploiting receive antenna diversity by means of a digital baseband processor. The apparatus includes a combiner configured to temporally delay a first received signal corresponding to a first receive antenna with respect to a second received signal corresponding to a second receive antenna, and to add the delayed first received signal and the second received signal to obtain a baseband representation of a combined signal at an output of the combiner as the baseband signal for exploiting receive antenna diversity.

Abstract: A method and radio access network device includes a processing unit configured to: separate a network measurement configuration command into at least first network measurements and second network measurements; forward the first network measurements of the network measurement configuration command over an air interface to a user equipment; receive, from the user equipment, the first network measurements on downlink communication channels to form first network measurement results; perform, in the radio access network device, the second network measurements on uplink communication channels to form second network measurement results; and combine, in the radio access network device, the first network measurement results from the user equipment with the second network measurement results from the radio access network device to form an aggregated network measurement report.