Abstract: A communication system utilizing adaptive envelope tracking includes a transmit path, a feedback receiver, a parameter component and an envelope tracking component. The transmit path is configured to generate a transmit signal. The feedback receiver is configured to generate a feedback signal from the transmit signal. The parameter component is configured to generate linearity parameters from the feedback signal and the baseband signal. The envelope tracking component is configured to generate a supply control signal having time delay adjustments.

Abstract: The disclosed invention relates to a transceiver system comprising a notch filter element configured to suppress transmitter blockers (i.e., transmitter interferer signals) within a reception path. In some embodiments, the transceiver front-end comprises a differential reception path, having a first differential branch and a second differential branch, configured to provide an RF differential input signal having a transmitter blocker to a transimpedance amplifier, comprising a first-order active filter and a notch filter element. The notch filter element comprises a stop band corresponding to a frequency of a transmitted signal, such that the notch filter element suppresses the transmitted blocker without degrading the signal quality of the received differential input signal.

Abstract: An amplifier module comprises an amplifier having an output, a coupler coupled to the output to receive a first signal provided at the output and a power detector to provide a power signal from the first signal. It further comprises an input to receive a second signal. A switch is provided that is disposed to provide the power signal or the second signal to a signal output in dependence of a control signal.

Abstract: Embodiments of the invention relate generally to radio communication devices and to a method for controlling frequency selection. In an embodiment of the invention, a radio communication device is provided. The radio communication device may include a first medium access control unit, a second medium access control unit, a common scheduling unit configured to control the first medium access control unit and the second medium access control unit, and a communication interface configured for frequency selection communication between the first medium access control unit and the second medium access control unit, wherein at least one frequency channel to be used is exchanged between the first medium access control unit and the second medium access control unit.

Abstract: A method operates to transmit a data signal by a transmission unit of a wireless multiple-input/multiple-output (MIMO) communication system. The communication system includes the transmission unit and a reception unit, the transmission unit having a plurality of transmission antennas and the reception unit having a plurality of reception antennas. The method includes performing a first transmission of a data signal, the first transmission including transmitting the data signal by each one of the plurality of transmission antennas, and performing a second transmission of the data signal at a time later than the first transmission, the second transmission including transmitting at least one spectrally modified signal variant of the data signal by at least one antenna of the plurality of transmission antennas.

Abstract: A communication terminal is described including a transceiver, a plurality of subscriber identity modules, wherein the transceiver is configured to receive a signal for each of the subscriber identity modules, a determiner configured to determine, for each subscriber identity module, a rating of the received signal and a controller configured to select a subscriber identity module from the plurality of subscriber identity modules for a communication service based on the ratings and configured to control the transceiver to use the communication service by means of the selected subscriber identity module.

Abstract: A method includes receiving a signal via a channel, determining a feedback information based on the received signal, and determining a quality indicator based on the feedback information, wherein the quality indicator indicates a quality of the received signal. The method further includes starting or resuming a transmission of the feedback information if the quality indicator fulfills a predetermined condition.

Abstract: A device a radio communication device may be provided. The radio communication device may include: a movement characteristics determination circuit configured to determine a movement characteristics of the radio communication device; a beam pattern determination circuit configured to determine a beam pattern based on the determined movement characteristics; and an antenna controller configured to control an antenna to operate using the determined beam pattern.

Abstract: Embodiments of the invention relate generally to a message processing apparatus, to a wireless device and to a method of storing a message in a wireless device. In an embodiment of the invention a method of storing a message in a wireless device is provided. The method may include receiving a message at a wireless device, filtering the message according to at least one predetermined criteria, encrypting the message if the message includes at least the one predetermined criteria and storing the encrypted message in the wireless device.

Abstract: A capacitance bank system includes a plurality of voltage controlled capacitance cells and an output node. The plurality of capacitance cells have an anti-parallel configuration. The plurality of capacitance cells are configured to selectively provide cell capacitances. The output node is coupled to the plurality of capacitance cells. The output node is configured to provide an input capacitance step smaller than a minimum physical capacitor supported by a particular technology.

Abstract: A digitally controlled buck boost regulator includes an H-bridge circuit including a plurality of switches configured to receive an input voltage signal and generate an output voltage signal based on the input voltage signal and switching signals provided thereto. A controller generates a pulse width modulation (PWM) control value in response to a value of the output voltage signal, and a quantizer/mapper receives the PWM control value and provides a first mapping to a mapped PWM control value if the PWM control value is outside a predetermined range of PWM control values, and generates a second mapping to a mapped PWM control value if the PWM control value is within the predetermined range. A digital pulse width modulator is configured to generate switching signals based on the mapped PWM control value, and provide the generated switching signals to the H-bridge circuit.

Abstract: A semiconductor device includes: a chip having at least one electrically conductive contact at a first side of the chip; an extension layer extending laterally from one or more sides of the chip; a redistribution layer on a surface of the extension layer and the first side, and coupled to the contact; an interposer having at least one electrically conductive contact at a first surface of the interposer and coupled to the redistribution layer, and at least one electrically conductive contact at a second surface of the interposer opposite to the first surface; a molding material at least partially enclosing the chip and the redistribution layer, and in contact with the interposer. Another semiconductor device includes: an interposer; a redistribution layer over the interposer; a circuit having first and second circuit portions, wherein the redistribution layer includes the first circuit portion, and the interposer includes the second circuit portion.

Abstract: A baseband unit for a radio communication system based on time division multiple access includes a data processing unit configured to generate a configuration macro. The configuration macro includes information about a temporal position of a particular time slot within a time frame, wherein the particular time slot has a time duration corresponding to the total time duration of an integer number of consecutive data symbols.

Abstract: A radio communication device including a receiver configured to receive radio signals, a measurement circuit configured to measure the receiving quality of received radio signals, and a controller configured to control the measurement circuit such that a first measurement is carried out using a first frequency bandwidth, thereby determining a first receiving quality, and if the determined first receiving quality fulfills a first receiving quality criterion, a second measurement is carried out using a second frequency bandwidth, wherein the second frequency bandwidth is larger than the first frequency bandwidth, thereby determining a second receiving quality.

Abstract: A mobile station is disclosed for processing differing radio standards such as GSM/GPRS/EDGE and TD-SCDMA. The mobile station includes a channel decoding unit and a coding unit. The signals of both radio standards are processed both with the coding unit and with the channel decoding unit. The coding unit and the channel decoding unit are arranged in the baseband chip of the mobile station. The TD-SCDMA-specific algorithms can be generated by means of a coprocessor that is electrically connected to the baseband chip or integrated in the baseband chip.

Abstract: A message generating arrangement determines whether a first communication terminal of a communication system can participate, by means of packet-switching network elements of the communication system, in a communication link in which a second communication terminal of the communication system is participating by means of circuit-switching network elements of the communication system, and generates a message on the basis of the result of the determination.

Abstract: A method for calibrating a transmitter includes operating the transmitter using a first transmitter setting; obtaining, via an external reference measuring device, a transmit power reference value indicative of a first transmit power of the transmitter corresponding to the first transmitter setting, and obtaining, using an internal measuring device of the transmitter or of a receiver associated with the transmitter, a first uncalibrated transmit power measurement value corresponding to the first transmit power. The method further includes calibrating the internal measuring device using the transmit power reference value and the first uncalibrated transmit power measurement value to provide a calibrated internal measuring device, operating the transmitter using a second transmitter setting, and obtaining, using the calibrated internal measuring device, a second transmit power measurement value indicative of a second transmit power corresponding to the second transmitter setting.

Abstract: In various aspects of this disclosure, a communication terminal device may be provided. The communication terminal device may include a cellular wide area radio communication technology circuit. The cellular wide area radio communication technology circuit may be configured to provide a communication according to a cellular wide area radio communication technology. The communication terminal device may further include a circuit. The circuit may be configured to provide a direct communication terminal device to communication terminal device communication bypassing a radio access network according to information received via the radio access network. The communication terminal device may further include a message generator. The message generator may be configured to generate a message to transmit to a base station.

Abstract: A device or system for transmission and reception for voice or data communication applications. The device or system is capable of duplex operation and adapted to operate in an environment using a plurality of frequency bands. The present disclosure also relates to a communication means including a transmitter and receiver arrangement and to antennas.

Abstract: A communication device is described comprising a detector configured to detect, based on the reception of radio signals from another communication device, whether the other communication device is operating as a relay communication device in a radio cell associated with the communication device and a signaling circuit configured to signal to a communication terminal that the other communication device is operating as a relay communication device if it has been detected that the other communication device is operating as a relay communication device.