Abstract: A method for managing signal interference is provided. The method comprising receiving a signal, wherein the signal comprises at least an interfering reference signal from an interfering network interface and a serving reference signal from a serving network interface, and wherein the interfering signal interferes with the serving signal; identifying a power level and offset of the interfering reference signal and a power level and offset of the serving reference signal; comparing the interfering power level and offset to the serving power level and offset to form a comparison; and performing a corrective action based on the comparison.

Abstract: A method and mobile communication device that reduce communication interruption time when a base station stops operating are described. The mobile communication device is wirelessly connected to a cell operated by a base station. The method includes determining a fallback cell, obtaining parameters to quickly establish a wireless connection to the fallback cell, determining that the base station is stopping operation, and using the parameters to quickly establish a wireless connection to the fallback cell. Also described are a base station and method for the base station to reduce communication interruption time. The method includes determining that the base station is stopping operation, switching to a backup power source if the base station is stopping operation due to loss of power, and transmitting a message to the mobile communication devices connected to the base station that they should switch to a fallback cell, since the base station is stopping operation.

Abstract: A communication device is described comprising a receiver configured to receive a receive symbol vector resulting from a transmission of a transmit symbol vector from at least one transmitter to the receiver wherein the transmit symbol vector comprises a plurality of transmit symbols wherein each transmit symbol is associated with a modulation type and a detector configured to determine a detection order for the plurality of transmit symbols based on the modulation types and to determine, for at least one bit of at least one transmit symbol, at least one soft value based on the receive symbol vector according to the detection order.

Abstract: A method of manufacturing a device includes providing a semiconductor chip having a first face and a second face opposite to the first face with a contact pad arranged on the first face. The semiconductor chip is placed on a carrier with the first face facing the carrier. The semiconductor chip is encapsulated with an encapsulation material. The carrier is removed and the semiconductor material is removed from the second face of the first semiconductor chip without removing encapsulation material at the same time.

Abstract: A communication network component is described including a determiner configured to determine whether a communication device operates a plurality of subscriber identity modules; and a controller configured to control data transmission to the communication device depending on whether the communication device operates a plurality of subscriber identity modules.

Abstract: Implementations of a high gain range transmitter with variable-size mixers are described.

Abstract: According to various embodiments, a flip chip package structure is provided in which a redistribution layer (RDL) is disposed on a surface of both a semiconductor chip and one or more lateral extensions of the semiconductor chip surface. The lateral extensions may be made using, e.g., a reconstituted wafer to implement a fanout region lateral to one or more sides of the semiconductor chip. One or more electrical connectors such as solder bumps or copper cylinders may be applied to the RDL, and an interposer such as a PCB interposer may be connected to the electrical connectors. In this way, a relatively tight semiconductor pad pitch may be accommodated and translated to an appropriate circuit board pitch without necessarily requiring a silicon or glass interposer.

Abstract: A method and an apparatus provide a plurality of modulated signals by frequency shifting an output signal of a carrier signal generation circuit for obtaining a first carrier signal and a second carrier signal, and by modulating the first and second carrier signals.

Abstract: A communication system includes a polar conversion component, a polar modulator, an RF front-end component, a feedback receiver, a delay compensation component, and an adder. The polar conversion component is configured to provide an amplitude signal and a phase signal. The polar modulator is configured to receive amplitude signal and the phase signal and to provide the phase modulated local oscillator signal and an RF output signal. The RF front-end component is configured to receive the RF output signal and to provide a coupled output signal. The feedback receiver is configured to receive the phase modulated local oscillator signal and the coupled output signal and to generate an uncompensated feedback phase information signal. The delay compensation component is configured to receive the phase signal and the uncompensated feedback phase information signal and to generate a compensation signal.

Abstract: An apparatus includes a transmit diversity encoder configured to use a block code of a length greater than one for encoding at least two consecutive symbols. A first symbol of the at least two consecutive symbols is dedicated to a first user and the second symbol of the at least two consecutive symbols is dedicated to a second user.

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: 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: 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: 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: 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: Implementations are presented herein that include a plurality of on-chip monitor circuits and a controller. Each of the plurality of on-chip monitor circuits is configured to measure a parameter of a semiconductor chip. The controller is coupled to the plurality of on-chip monitor circuits. The controller is configured to receive a measurement result from at least one of the plurality of on-chip monitor circuits and to control a calibration of another one of the plurality of on-chip monitor circuits in accordance with the measurement result.

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.