摘要:
One embodiment covers an apparatus for generating a transmission signal. The apparatus may include a signal generator that generates a first signal with a first frequency spectrum comprising a carrier frequency; a power control unit that provides a power information signal which represents a signal level of the transmission signal residing at the carrier frequency; a first signal shaper for noise-shaping the first signal based on the power information signal to form a second signal which has a noise component in at least one frequency range remote from the carrier frequency, the noise component of the second signal being from one or more signal components associated with the carrier frequency; and a signal output that provides the second signal in the form of a transmission signal.
摘要:
One embodiment described is an apparatus that includes an active device structured in a semiconductor body. The semiconductor body may include a gate terminal to receive a switched bias signal, and a bulk terminal to receive a forward body-bias signal. A first circuit portion may be coupled to the gate terminal to provide the switched bias signal, and a second circuit portion may be coupled to the bulk terminal to provide the forward body-bias signal.
摘要:
A description is given of a circuit having a transmitter having a first transmission stage for generating a first transmission signal according to a first standard and a bias stage for generating a bias signal for a second standard and a second transmission stage for generating a second transmission signal according to the second standard. The second transmission stage is effectively coupled to the bias stage in order to receive the bias signal.
摘要:
This disclosure relates to an all digital phase-lock loop (ADPLL). The ADPLL determines an error generated by a digitally controlled oscillator (DCO) which is operated using a tuning word, stores information related to the error, and compensates for the error based on the stored information.
摘要:
According to an embodiment, a radio relay communication device is described a radio receiver configured to receive data from a radio base station, a radio sender configured to send data received from the radio base station to at least one mobile terminal, a detector configured to detect whether a pre-determined transmission symbol sequence has been received from the radio base station, a changing circuit configured to change the transmission symbol sequence such that from the change of the transmission symbol sequence an identification of the relay communication device can be determined, and a controller configured to control the radio sender configured to send the changed transmission symbol sequence to at least one mobile terminal.
摘要:
A transmit circuit includes an envelope tracker configured to determine an envelope of a transmit signal and provide bias information based on the determined envelope of the transmit signal. The transmit circuit further includes a power amplifier configured to generate an RF output signal based on the transmit signal, a bias provider configured to provide a bias for the power amplifier based on the bias information, and an impedance determinator configured to determine a measure of a load impedance of a load coupled to an output of the power amplifier. The envelope tracker is configured to adapt the bias information based on the measure of the load impedance.
摘要:
According to various embodiments, a radio device may be provided. The radio device may include a configurable component, a configuration information transmitter configured to transmit information identifying the radio device and an identifier of a configuration of the configurable component to a regulation server; and a permission information receiver configured to receive from the regulation server information indicating as to whether the radio device is permitted to use the configuration of the configurable component or as to whether a pre-determined configuration of the configurable component is to be used by the radio device.
摘要:
According to one embodiment, a communication device is described that comprises a determining circuit configured to determine a type of an information indicated by a first message, wherein the first message is formed in accordance with a first transmission protocol; a selecting circuit configured to select a type of message according to a second transmission protocol based on the determined type of information; and a message generating circuit configured to generate a second message of the selected type according to the second transmission protocol indicating the information.
摘要:
An amplifier includes a first lower active sub cell and a second lower active sub cell, each comprising an input terminal and an output terminal, wherein the input terminals of the lower active sub cells are connected to the amplifier input and the output terminals of the lower active sub cells are not shorted. Furthermore, the amplifier includes a first upper active sub cell and a second upper active sub cell, each including a biasing terminal, wherein the input terminals and the output terminals of the upper active sub cells are coupled between the output terminals of the lower active sub cells and the amplifier output. The amplifier includes a bias controller configured to provide a first biasing signal to the first upper active sub cell and a second biasing signal to the second upper active sub cell based on an output power of the output signal.