Patent application number | Description | Published |
20080242235 | Circuit arrangement with improved decoupling - A circuit arrangement includes a component having a closed signal path, that closed signal path connected to a first port, a second port and at least a third port. The component has a directed signal flow of a signal applied to one of that ports. Such a coupling device can be connected to a transmitter and to a receiver path, respectively. | 10-02-2008 |
20090060011 | REUSE OF DIGITAL INTERFACE FOR MULTIPLE COMPONENTS - In one embodiment, a circuit can selectively adjust a current for driving a load. The circuit includes a sensor configured to measure a magnetic field associated with the current and provide a sensor voltage representative thereof. A control circuit is configured to selectively adjust the current as a function of the sensor voltage and a time-varying voltage threshold. Other methods and systems are also disclosed. | 03-05-2009 |
20090081979 | RADIO-FREQUENCY FRONT-END AND RECEIVER - The present invention relates to various embodiments of a Radio-Frequency (RF) front-end for use in a receiver, a diversity receiver and a method for operating a diversity receiver. | 03-26-2009 |
20090122844 | TRANSFER OF ENCODED DATA - 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. | 05-14-2009 |
20090154446 | DATA FRAME, TELEGRAM, METHOD FOR CONTROLLING AN RF-TRANSCEIVER AND MOBILE COMMUNICATION SYSTEM - The invention is related to a data frame, particularly to a data frame configured to be received and processed by an RF-transceiver and a data frame structure. The invention is also related to a method for controlling an RF-transceiver. | 06-18-2009 |
20090274202 | SYSTEM PARTITIONING FOR MULTI-MOBILE DEVICES - A communication device partition for multiple device data standards to be received on one baseband integrated circuit is described. At least two interfaces are partitioned according to the data rate speed of various types of data standards and coupled to a multimode SDR modem. A digital baseband processor is coupled to the multimode SDR modem and receives the various types of application data compliant with various data standards. | 11-05-2009 |
20090275304 | MULTIMODE RECEIVER WITH ACTIVE BLOCKER SUPPRESSION - Various embodiments of a wireless multimode receiver having an off-chip duplex filter associated with a multimode band, and a blocker cancellation circuit disposed on a semiconductor chip are described in the present disclosure. | 11-05-2009 |
20090298448 | STRATEGY FOR USING THE ENVELOPE INFORMATION WITHIN A CLOSED LOOP POWER CONTROL SYSTEM - A power control system includes a reference path filter used to suppress high frequencies in an input signal and generate a filtered envelope signal, a reference path amplifier to scale the filtered input signal based on a gain signal and generate a reference signal, a signal path amplifier to amplify an RF modulated signal and generate a signal path output signal scaled by a gain of an actuator signal, and a power detector to detect a power associated with the signal path output signal. The system includes an ADC to receive, pre-filter and convert the detected envelope signal into a measurement signal, and a comparator block to receive the reference signal and the measurement signal, and generate an error signal based on the difference, and a controller to generate the actuator signal for controlling the gain of the signal path amplifier based on the error signal. | 12-03-2009 |
20100022192 | Systems and Methods for Transmitter/Receiver Diversity - Systems and methods for transmitter/receiver diversity for wireless communication systems are described herein. | 01-28-2010 |
20100078779 | System on a Chip with On-Chip RF Shield - Structures of a system on a chip are disclosed. In one embodiment, the system on a chip (SoC) includes an RF component disposed on a first part of a substrate, a semiconductor component disposed on a second part of the substrate, the semiconductor component and the RF component sharing a common boundary, and a conductive cage disposed enclosing the RF component. The conductive cage shields the semiconductor component from electromagnetic radiation originating from the RF circuit. | 04-01-2010 |
20100081407 | High-Frequency Prestage and Receiver - A filter stage for use in a receiver includes a switch with an input coupled to an antenna terminal, a first output and a second output; a first filter of a first type coupled to the first output; and a second filter of a second type different from the first type, coupled to the second output. A receiver includes a filter stage as mentioned above; and a switching unit coupled to the filter stage for controlling a switching state of the switch, to selectively connect the antenna terminal to the second output, depending on a selection signal. | 04-01-2010 |
20100148884 | IMPEDANCE MATCHED TRANSMITTING ARRANGEMENT - A transmitting arrangement includes a matching circuit, a reference circuit and a comparator. The output of the matching circuit can be coupled to an antenna and comprises an adjustable impedance. The reference circuit is connected to an input of the matching circuit and comprises a reference impedance. Inputs of the comparator are coupled to the matching circuit and the reference circuit and its output is coupled to the adjustable impedance via a control input of the matching circuit. | 06-17-2010 |
20100302123 | Wireless Communication Device Antenna With Tuning Elements - The present disclosure relates to wireless communication device antennas with tuning elements. | 12-02-2010 |
20110007842 | TRANSMISSION ARRANGEMENT AND METHOD FOR MODULATING USEFUL SIGNALS ONTO A CARRIER FREQUENCY SIGNAL - A transmission arrangement for modulating useful signals onto a carrier frequency signal has a frequency generator for generating the carrier frequency signal, a first modulation path for modulating a first useful signal onto the carrier frequency signal, and a second modulation path for modulating a second useful signal onto the carrier frequency signal. The first modulation path has a digital modulator for providing an amplitude signal and a Cartesian signal pair from the first useful signal and a Cartesian modulator for modulating the Cartesian signal pair onto the carrier frequency signal in order to provide an intermediate signal. The first modulation path is configured in such a manner that the amplitude signal is modulated onto the intermediate signal in order to provide an output signal. | 01-13-2011 |
20110117862 | Multiband RF Device - 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. | 05-19-2011 |
20110200144 | Apparatus and Method for Antenna Diversity Reception - 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. | 08-18-2011 |
20110201175 | System on a Chip with On-Chip RF Shield - Structures of a system on a chip are disclosed. In one embodiment, the system on a chip (SoC) includes an RF component disposed on a first part of a substrate, a semiconductor component disposed on a second part of the substrate, the semiconductor component and the RF component sharing a common boundary, and a conductive cage disposed enclosing the RF component. The conductive cage shields the semiconductor component from electromagnetic radiation originating from the RF circuit. | 08-18-2011 |
20110201297 | Apparatus and Method for Antenna Diversity Reception - 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 alternately select at least one sample of a first received signal corresponding to a first receive antenna and at least one sample of a second received signal corresponding to a second receive antenna and to interleave the selected samples of the first and second received signal to obtain a temporally continuous stream of samples of a baseband representation of a combined signal at an output of the combiner as the baseband signal for exploiting receive antenna diversity. | 08-18-2011 |
20110248792 | CIRCUIT ARRANGEMENT WITH IMPROVED DECOUPLING - A circuit arrangement includes a component having a closed signal path, that closed signal path connected to a first port, a second port and at least a third port. The component has a directed signal flow of a signal applied to one of that ports. Such a coupling device can be connected to a transmitter and to a receiver path, respectively. | 10-13-2011 |
20120083236 | Multimode Receiver with Active Blocker Suppression - Various embodiments of a wireless multimode receiver having an off-chip duplex filter associated with a multimode band, and a blocker cancellation circuit disposed on a semiconductor chip are described in the present disclosure. | 04-05-2012 |
20120142289 | Circuit Arrangement and Method for Setting an Analog Output Signal - A circuit arrangement includes a signal processing unit and a regulation unit. The signal processing unit processes an input signal to form an analog output signal. The regulation unit is coupled to the signal processing unit in order to produce a digital regulation signal as a function of the analog output signal for regulation of the analog output signal. | 06-07-2012 |
20120178388 | Minimizing Mutual Coupling - Disclosed herein are techniques, systems, and methods relating to minimizing mutual coupling between a first antenna and a second antenna. In one implementation, a plurality of antennas and at least one tuning module are provided. A control module may be coupled to the tuning module. The control module may be configured to control the at least one tuning module to alter a phase and an amplitude of a control signal communicated to at least one of the plurality of antennas to reduce mutual coupling between the plurality of antennas. | 07-12-2012 |
20130002370 | CIRCUIT ARRANGEMENT WITH IMPROVED DECOUPLING - A circuit arrangement includes a component having a closed signal path, that closed signal path connected to a first port, a second port and at least a third port. The component has a directed signal flow of a signal applied to one of that ports. Such a coupling device can be connected to a transmitter and to a receiver path, respectively. | 01-03-2013 |
20130044794 | Transfer of Encoded Data - 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. | 02-21-2013 |
20140017876 | System on a Chip with On-Chip RF Shield - Structures of a system on a chip are disclosed. In one embodiment, the system on a chip (SoC) includes an RF component disposed on a first part of a substrate, a semiconductor component disposed on a second part of the substrate, the semiconductor component and the RF component sharing a common boundary, and a conductive cage disposed enclosing the RF component. The conductive cage shields the semiconductor component from electromagnetic radiation originating from the RF circuit. | 01-16-2014 |