Matches 1 - 50 out of 296 1 2 3 4 5 6 >


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US20130295868 System and Method for Performing Automatic Gain Control in Mobile Phone Environments  
A Dynamic Noise Compensation (DNC) telephone speech enhancement algorithm addresses the issue of environment noise on the listener end of a telephone call. A single microphone proximal to the...
US20090036084 METHOD FOR DETECTING THE EVETUAL PRESENCE OF AN INTERFERER, FOR EXAMPLE A RADAR SIGNAL, ADAPTED TO INTERFERE WITH A WIRELESS DEVICE, FOR EXAMPLE A UWB DEVICE, AND CORRESPONDING DEVICE  
The method is for detecting the eventual presence of an interferer that is adapted to interfere with a wireless device. The wireless device is provided with at least one receiving chain including...
US20140038541 Link 16-Based Geolocation Of Hostile Jammers  
A method for Link 16-based geolocation of hostile jammers comprising the steps of collecting jamming noise I/Q samples at a plurality of locations, determining the relative time delay of reception...
US20110021169 NOISE REDUCTION SYSTEM AND METHOD  
A noise reduction method is disclosed that uses numerical logic to estimate the value of the noise in a receive system and remove the noise. A surrogate probe value is selected and subtracted from...
US20080039046 Receiver and transmitter for a network having a non-centralized medium access control  
A receiver includes a receiving unit for scanning a dedicated signaling channel for the presence of an announcement signal. The announcement signal indicates a transmitter willing to access a...
US20150147994 Methods for Interference Cancellation and Suppression with Network Assistance  
A method for a receiver to cancel or suppress co-channel interference with network assistance is provided. The method comprises deriving a first set of parameters related to interfering signals in...
US20140248847 RECEIVER AND A METHOD FOR MOBILE COMMUNICATIONS  
In a method and a mobile communications receiver for processing signals from a first cell and a second cell a timing of the signal from the first cell and the second cell is obtained. A timing...
US20090325529 CALIBRATING RECEIVE CHAIN TO REDUCE SECOND ORDER INTERMODULATION DISTORTION  
Embodiments of apparatuses, articles, methods, and systems for calibrating receive chain to reduce second order intermodulation distortion are disclosed herein. The embodiments may be employed,...
US20130059557 DYNAMIC RFI DETECTION  
Provided herein are different embodiments for performing radio frequency interference (RFI) detection in electronic devices such as mobile computing systems.
US20090170452 Integrated RF-IF converter  
A frequency conversion apparatus includes a frequency generation circuit, which is based on a first semiconductor material having a first elemental composition and is coupled to generate one or...
US20130102267 DETECTION AND MITIGATION OF INTERFERENCE IN A MULTIMODE RECEIVER USING VARIABLE BANDWIDTH FILTER  
Embodiments include a novel receiver architecture to optimize receiver performance in the presence of interference. In various embodiments, power estimation circuits are used to determine the...
US20080152054 Interferer diversity  
Providing interferer diversity is disclosed. A received wireless signal is processed to obtain a first processed signal in which a desired information is translated to a first frequency in a first...
US20130281041 IMPEDANCE BALANCING FOR POWER SUPPLY REJECTION IN SINGLE-ENDED RECEIVERS  
Power supply rejection in a single-ended receiver, through impedance balancing, is described. The single-ended receiver includes a first low noise amplifier and a second low noise amplifier. The...
US20090264091 METHOD AND SYSTEM FOR CLOSED LOOP POWER CONTROL IN WIRELESS SYSTEMS  
Aspects of a method and system for closed loop power control in wireless systems are provided. In this regard, an output power of an amplifier may be measured and an indication of the measured...
US20070249314 ADJUSTING PARAMETERS ASSOCIATED WITH TRANSMITTER LEAKAGE  
An apparatus comprises a transmitter, a receiver, an antenna and a signal cancellation circuit. The transmitter is configured to send a transmitter signal associated with a frequency. The receiver...
US20070173220 Second-order intermodulation distortion compensating circuit  
A second-order intermodulation distortion (IMD2) compensating circuit that detects a variation of DC level of a voltage pair of a mixer load and adjusts the variation of the DC level of the...
US20110021170 Interference Cancellation with Time-Varying Interference and/or Distortion  
A method and apparatus is disclosed to compensate for interference and/or distortion impressed onto a transmitted communications signal in the presence of one or more time-varying conditions. A...
US20090036083 Communication unit and method for interference mitigation  
A communication unit comprises a receiver for receiving a composite communication signal that comprises a desired signal and at least one asynchronously received interfering signal. The receiver...
US20060252398 Receiver of RFID reader for eliminating leakage signal  
Provided is a receiver of a passive radio frequency identification (RFID) reader, which eliminates a leakage signal from a reception signal comprised of a RFID tag response signal and the leakage...
US20120083235 COMPENSATING FOR UNWANTED DISTORTION IN A COMMUNICATIONS RECEIVER  
Method and apparatuses are disclosed to substantially compensate for various unwanted interferences and/or distortions within a communications receiver. Each of these apparatuses and methods...
US20080139156 RF receiver with fast baseband switching  
A receiver includes a plurality of RF receiver modules, a plurality of analog baseband sections, a plurality of analog to digital conversion sections, and a digital baseband processing module. The...
US20120122415 WIRELESS COMMUNICATION DEVICE AND SIGNAL DETECTING METHOD  
Disclosed is a wireless communication device capable of improving the properties of an interference canceller and improving reception performance without increase in circuit scale and without...
US20090088115 Novel Distributed Direct Conversion Receiver (DDCR) for UWB Systems  
A novel DDCR RF front-end for use in UWB applications combining a distributed approach which provides wideband functionality of the RF front-end with I-Q requirement of DCRs. The distributed...
US20110319045 LINEAR INTERFERENCE CANCELLATION RECEIVER  
Interference cancellation at a user equipment includes performing channel estimation for each component of an aggregate received signal using at least one received midamble of at least one time...
US20140099908 Ordered Electromagnetic Interference Cancellation  
Progressive cancellation of electromagnetic interference (EMI) is achieved by establishing a canceller stage processing order in a receiver feed circuit. Such a processing order may be one that...
US20100008243 FLASH POSITION SIGNALING: MULTIPLEXING AND INTERFERENCE MANAGEMENT  
Systems and methodologies are described that facilitate use of power and phase coherence to multiplex or manage interference in a wireless communication environment. In accordance with various...
US20090086864 INTERFERENCE DETECTION AND MITIGATION  
Techniques for detecting and mitigating interference are described. A device (e.g., a cellular phone) senses interference levels and digitally reconstructs the expected interference in the...
US20110075706 CHANNEL GEOMETRY DETECTOR  
Adaptive reconfiguration of a wireless receiver is enabled based on channel geometry. According to an embodiment, the wireless receiver includes a geometry factor processing module and signal...
US20140335812 RADIO RECEPTION DEVICE AND RADIO RECEPTION METHOD IN RADIO COMMUNICATION SYSTEM  
A radio reception device and a radio receiving method are provided that, when a frequency band assigned to a different radio system is shared, can effectively suppress the influence of interfering...
US20120088542 METHOD CONSTRUCTION FOR REDUCING INTERFERENCE BETWEEN ANTENNA AND PERIPHERAL DEVICE  
A structure and method reduce interference between an antenna and a peripheral device. The structure includes an antenna module and a speaker module. The antenna module includes a carrier and the...
US20110085626 RECEIVE UNIT FOR RECEPTION OF MULTIPLE SATELLITE SIGNALS  
A satellite receive unit for receiving a plurality of satellite signals from a plurality of satellites, the satellite receive unit including: a plurality of low noise blocks each for receiving one...
US20080043888 ELIMINATING NARROWBAND INTERFERENCE IN A RECEIVER  
A wireless device receives an input signal representing a signal of interest (e.g., one or more portions of a packet) on a wireless medium. The input signal may, in addition, contain narrowband...
US20110028114 APPARATUS COMPRISING A BROADCAST RECEIVER CIRCUIT AND PROVIDED WITH AN ANTENNA  
The invention relates to an apparatus 1 comprising a broadcast receiver circuit, an embedded antenna for receiving broadcast signals and a tuning circuit coupled between the antenna and the...
US20080220736 METHOD AND APPARATUS FOR SPREADING SIGNAL ACQUISITION AND TRACKING  
A spreading signal acquisition and tracking method and apparatus is proposed. In accordance with the present invention, coherent integrations are performed by segments and stored for a...
US20100136940 SYSTEM AND METHOD OF JOINT SYNCHRONIZATION AND NOISE COVARIANCE ESTIMATION  
A system and method in a radio receiver for joint synchronization and noise covariance estimation of a received signal. A spatially and temporally stacked signal model, whereby successive samples...
US20060229051 Interference selection and cancellation for CDMA communications  
Interference cancellation for CDMA handsets comprises projecting a received signal onto a subspace that is substantially orthogonal to an interference subspace. Selection of the interference...
US20060258317 DC offset calibration system  
A DC offset calibration system includes: a mixer 1 for direct conversion; a detector 2 that detects a level of an RF input signal; a controller 4 that generates a compensation signal for...
US20140213210 Method of Robust Receive (Rx) Processing for Radio Frequency Coexistence Management in Dual-SIM-Dual-Active Communication Devices  
The various embodiments include a dual-SIM-dual-active (DSDA) device and methods for implementing robust receive (Rx) processing to resolve radio frequency coexistence interference between two...
US20070099570 Receiver with multi-tone wideband I/Q mismatch calibration and method therefor  
In one embodiment, a method provides multiple-tone wideband I/Q mismatch calibration. A plurality of calibration frequencies is selected within a channel. A calibration tone is applied to the...
US20090247107 SIMPLIFIED INTERFERENCE SUPPRESSION IN MULTI-ANTENNA RECEIVERS  
A signal received via a plurality of antennas, and containing an interference component and a desired communication component, is processed to suppress the interference component. The interference...
US20050074079 RFI canceller  
Narrow band RF interference in a modulated signal carried on a plurality of subchannels is carried out by detecting RF interference in the subchannels, identifying a subchannel where the magnitude...
US20090325530 Dynamic RFI detection  
Provided herein are different embodiments for performing radio frequency interference (RFI) detection in electronic devices such as mobile computing systems.
US20090304122 RECEIVER ARCHITECTURE  
A receiver adaptively selects between a joint detection Viterbi demodulator and a second Viterbi demodulator to demodulate a received signal based on at least one characteristic of the received...
US20100311378 MULTIPLE MULTI-MODE LOW-NOISE AMPLIFIER RECEIVER WITH SHARED DEGENERATIVE INDUCTORS  
A device with multiple multi-mode low-noise amplifiers (LNAs), each with common operating modes and separate operating frequency bands, are coupled to shared degenerative inductors for common...
US20090233569 SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE PROVIDED WITH FM RECEIVING FUNCTION  
A semiconductor integrated circuit device includes a clock generation unit, a signal processing unit, an FM receiving unit, a processor, and a bus. The signal processing unit, FM receiving unit,...
US20090036082 CANCELING SELF-JAMMER AND INTERFERING SIGNALS IN AN RFID SYSTEM  
Briefly, in accordance with one or more embodiments, a method and device capable of canceling self-jammer and one or more other interfering signals in an radio frequency identification system or...
US20090147893 INTERFERENCE SUPPRESSION METHOD AND INTERFERENCE SUPPRESSION DEVICE  
A reception station 1b compares its BSSID with BSSID included in a signal that has arrived thereat. As BSSIDs included in signals transmitted by interfering stations 1c and 1d both match BSSID of...
US20120108194 METHOD AND ARRANGEMENT FOR INTERFERENCE MITIGATION  
In a method of mitigating interference for received signals in a communication system, receiving S10 a transmitted signal via at least two antenna elements, estimating S20 a channel for the...
US20070281655 DC offset compensation method and DC offset compensation device  
A DC offset component that occurs in a quadrature modulation system, and that is contained in a modulated transmit signal, is compensated for with good accuracy. In a DC offset compensation method...
US20140256277 EQUALIZER-BASED RECEIVER IN MOBILE COMMUNICATION SYSTEM AND METHOD FOR RECEIVING SIGNAL USING THE SAME  
A method for receiving a signal using an equalizer-based receiver is provided. The method includes compensating for a phase offset of a received signal for each of M cells, and performing channel...

Matches 1 - 50 out of 296 1 2 3 4 5 6 >