Matches 1 - 50 out of 265 1 2 3 4 5 6 >


Match Document Document Title
US20110117869 MULTIPLE BAND PORTABLE SPECTRUM ANALYZER  
A device for detecting RF power information, for use as a stand alone purpose built device, or connectable to an external computing instrument such as a laptop, PDA, or cell phone, or other...
US20090163162 DIRECT CONVERSION RECEIVING ARCHITECTURE WITH AN INTEGRATED TUNER SELF ALIGNMENT FUNCTION  
A direct conversion receiver with an integrated self alignment tuner. The system includes a tank circuit, an analog to digital converter, a digital down converter, a digital up converter, a local...
US20130244603 Method and Device for Noise Floor Estimation  
A method (200) for determining the noise floor in a receiver, comprising sorting (210) received estimated values of the noise floor by time bins in a time cycle, determining and storing the...
US20120075069 REVERSIBLY DEFORMABLE AND MECHANICALLY TUNABLE FLUIDIC ANTENNAS  
A method of manufacturing a fluidic structure is disclosed. A cavity that defines a shape of an element of the fluidic structure within a material is formed. The cavity is filled with liquid...
US20100317358 RECEIVING APPARATUS, BASE STATION APPARATUS, AND SYNCHRONIZATION TIMING DETECTION METHOD  
A receiving apparatus includes a synchronization timing detector that detects one of a first sampling timing and a second sampling timing as a synchronization timing of a received digital signal....
US20140273901 REDUCING POWER CONSUMPTION ON A RECEIVER  
A method for reducing power consumption on a wireless communication device is described. The wireless communication device includes a first stage active filter and a second stage active filter. A...
US20090017776 RADIO RECEIVER CIRCUIT, RADIO TRANSCEIVER CIRCUIT AND CALIBRATION METHOD THEREOF  
Conventional digital calibration type analog-to-digital converters cannot converge calibration within an preamble period of a packet signal. An analog-to-digital converter is subjected to digital...
US20120252368 REDUCING RATE OF DETECTION CYCLES AND MEASUREMENT CYCLES IN A DISCONTINUOUS RECEPTION (DRX) MODE  
A user device performs a set of measurements at a specified rate when the user device in a discontinuous reception (DRX) mode, and determines a signal condition of a signal received from a serving...
US20130324062 POWER DETECTOR WITH TEMPERATURE COMPENSTATION  
Power detectors with temperature compensation and having improved accuracy over temperature are disclosed. In an aspect of the disclosure, variations of a power detector gain over temperature is...
US20130122842 RADIO INTERFERENCE TESTING FOR MULTI RADIO DEVICES  
A method for testing radio properties of a module in a platform. The module has at least one element, and the platform has at least one element in which an element includes a receiver. The method...
US20100093299 ANALOG SIGNAL PROCESSOR IN A MULTI-GIGABIT RECEIVER SYSTEM  
An analog multi-gigabit receiver and/or transceiver can be implemented for the reception and demodulation of multi-gigabits quadrature phase shift keying (QPSK) modulated using a CMOS...
US20120269076 ANTENNA DIVERSITY FOR MAGNETIC INDUCTION RADIO  
A magnetic induction system is disclosed, which has antenna diversity at the transmitter side, but which does not require a bidirectional link to pass information regarding received signal quality...
US20120003948 Quadratic Amplitude Control Circuit For Cosite Interference Cancellation  
A quadratic amplitude matching system and associated method with an associated tuning control system is provided for continuously and automatically tuning a quadratic amplitude matching filter...
US20110312354 WIRELESS DISASTER-PREVENTION NODE AND WIRELESS DISASTER-PREVENTION SYSTEM  
To determine the busy degree of the operating frequency channel caused by other systems and enable a user to know an unused frequency channel having a low communication frequency. A first...
US20130017797 SELECTIVE RECEIVE DIVERSITY IN A MOBILE WIRELESS DEVICE  
Method, apparatus and computer program product measuring signals received through multiple antennas in a mobile wireless device is described. Signals received through at least one of a primary...
US20120252390 SYSTEM AND METHODS FOR DETERMINING RADIATED RADIO FREQUENCY (RF) RECEIVER SENSITIVITY  
A test method is for determining RF sensitivity of an RF receiver for a plurality of channels extending over a frequency band(s) using an RF source coupled to the RF receiver by an RF...
US20130040594 Systems and Methods of Antenna Orientation in a Point-To-Point Wireless Network  
An exemplary method comprises positioning a first antenna to receive a first signal from a second antenna, the second antenna comprising energy absorbing material that functions to expand...
US20050032494 Receiver test system  
Performance of receivers can be determined by automated or manual testing of receivers without interrupting communication service to users of the communication system. In one embodiment, the...
US20130244665 Dynamic RxDiv for Idle Mode in a User Equipment  
A method of evaluating a reception quality of a receiver includes determining a reception quality of the receiver using a measurement from a single active antenna of the receiver if the receiver...
US20140295782 Antenna Control  
Measures for fading-based control of an antenna radiation pattern. Such measures may comprise reception of at least one radio wave signal via an antenna unit, detection of fading conditions in...
US20120157027 METHOD AND SYSTEM FOR CHARACTERIZING A RADIO CHANNEL OF A WIRELESS NETWORK USING VARIABILITY OF SYNCHRONIZATION  
A speed parameter or channel quality parameter are determined in a mobile device based on variation in frequency offset measurement. A higher variation in the frequency offset measurement reflects...
US20140057573 RECEIVER CIRCUIT AND METHOD PERFORMED BY SUCH RECEIVER CIRCUIT  
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...
US20140106666 OUT-OF-BAND RADIO LINK PROTOCOL AND NETWORK ARCHITECTURE FOR A WIRELESS NETWORK COMPOSED OF WIRELESS TERMINALS WITH MILLIMETRE WAVE FREQUENCY RANGE RADIO UNITS  
The present invention relates to a wireless transmitter comprising a transmitter radio unit working a wireless transmitter comprising a transmitter radio unit working in the millimeter wave...
US20130012149 Adaptive Real-time Control System for Transceiver Level and Gain Regulation  
Adaptive gain regulation is performed by measuring one or more real-time closed-loop statistics for a signal output from a gain-controllable circuit and blindly adjusting the gain of the...
US20150207530 SUPER-REGENERATIVE RECEIVER (SRR) AND SUPER-REGENERATIVE RECEPTION METHOD WITH INCREASED CHANNEL SELECTIVITY  
A super-regenerative receiver (SRR) includes a super-regenerative oscillator (SRO), and an active channel filter disposed at a front end of the SRO, and configured to filter out an interferer in a...
US20140329480 DETECTION AND MITIGATION OF INTERFERENCE IN A RECEIVER  
A receiver architecture optimizes receiver performance in the presence of interference. In various embodiments, power estimation circuits are used with variable selectivity to determine the exact...
US20110151815 SYSTEM AND METHOD FOR IDENTIFYING GAUSSIAN RADIO NOISE  
Provided is a system and method of identifying Gaussian radio noise. The Gaussian radio noise identifying system may determine whether measured data of radio noise indicates a Gaussian...
US20130090078 METHOD AND SYSTEM FOR LOCATING INTERFERENCES BY FREQUENCY SUB-BAND  
Method and system for locating sources interfering on a signal received by a receiver comprising an array of antennas, comprising the following steps: a step of calculating the spatio-temporal...
US20150017939 POSITION ENGINE (PE) FEEDBACK TO IMPROVE GNSS RECEIVER PERFORMANCE  
Embodiments of the invention provide a method for detecting false peaks in a Global Navigation Satellite System (GNSS) having a power control circuit, a measurement engine, and position engine. An...
US20080227420 Multipoint Voltage and Current Probe System  
A metrology system monitors radio frequency (RF) power at a plurality of locations in a circuit. The system includes a plurality of RF sensors that generate respective analog signals based on...
US20120295563 Satellite Signal Reception Device and Control Method for a Satellite Signal Reception Device  
A satellite signal reception device has a reception unit that receives a satellite signal transmitted from a positioning information satellite, a reception state display device for displaying the...
US20130029623 RADIO COMMUNICATION SYSTEM, RECEIVER, AND COMMUNICATION METHOD  
A radio communication system includes: a receiver that is configured to receive a first radio wave sent according to a remote keyless entry system and a second radio wave sent according to a tire...
US20120244825 Statistical Gain Control In A Receiver  
A radio frequency (RF) signal is received in a receiver, and various counts based on information from the signal can be obtained. Counts of a number of samples of the RF signal exceeding first and...
US20060223469 Radio receiver device having field intensity detector  
A radio receiver device of the present invention may be used in a navigation system mounted on an automotive vehicle. The radio receiver device includes a receiver for receiving radio waves, a...
US20050272389 Receiver signal strength indicator having an automatic outputting detection circuit  
Receiver signal strength indicator, having an automatic outputting detection circuit, can immediately detect whether its output terminals are connected to a specific apparatus or not. The RSSI...
US20130231071 HYSTERESIS NONLINEAR STATE MACHINE WITH OVERLAPPING THRESHOLDS FOR AUTOMATIC FREQUENCY CONTROL  
A method and apparatus for non-linear frequency control tracking of a control loop of a voltage controlled oscillator (VCO) in a wireless mobile device receiver is provided. A channel metric based...
US20080182537 AUTOMATIC IIP2 CALIBRATION ARCHITECTURE  
An integrated automatic IIP2 calibration architecture for wireless transceivers is disclosed. The architecture enables a wireless transceiver to generate a test radio frequency (RF) signal having...
US20140141740 USING DIRECT PHASE NOISE MEASUREMENT AND BLOCKER RECOVERY TO CANCEL RECIPROCAL MIXING NOISE  
A method for reciprocal-mixing noise cancellation may include receiving a baseband signal down-converted to baseband using a local oscillator (LO). The baseband signal may comprise a wanted signal...
US20130122840 METHOD FOR MEASURING INTER-FREQUENCY  
According to an embodiment of the present invention, a method is provided for measuring inter-frequency in a receiver including a plurality of reception antennas. The method may comprise the steps...
US20100255803 RADIO WAVE ARRIVAL STATUS ESTIMATING SYSTEM, ITS METHOD AND PROGRAM  
A radio wave arrival status estimating system characterized by having an estimating means that estimates whether the physical characteristic of a radio wave received at the reception point of a...
US20120115427 RECEIVER AND METHOD FOR REDUCING AN AMOUNT OF CHANNEL STATE INFORMATION FEEDBACK TO A TRANSMITTER  
A receiver and a method are described herein for reducing an amount of channel state information related to a transmit channel correlation matrix φTX that is feedback to a transmitter. In...
US20100093298 ADAPTIVE IIP2 CALIBRATION  
A radio frequency transceiver (102), including a transmitter (104), a duplexer (108) and a direct-conversion receiver (106) including a mixer (140 and 141). An IIP2 calibration system (170),...
US20140273902 QUADRATURE ERROR CORRECTION USING POLYNOMINAL MODELS IN TONE CALIBRATION  
One example embodiment provides a system, apparatus, and method for using polynomial models in tone calibration for quadrature error correction in I/Q receivers. In one example embodiment, method...
US20110159830 RECEIVER  
A receiver (10) for a telecommunications system, the receiver (10) comprising a channel impulse response estimator (12) for producing an initial estimated channel impulse response of an overall...
US20110085589 POWER SPECTRAL DISTRIBUTION MEASUREMENT TO FACILITATE SYSTEM ACQUISITION  
Wireless devices and techniques providing improved system acquisition in an environment of multiple co-existing technologies over a common frequency band are disclosed. In one aspect, at a remote...
US20110306315 Quick Detection of signaling in a Wireless Communication System  
Quick frequency tracking (QFT), quick time tracking (QTT), and non-causal pilot filtering (NCP) are used to detect sporadically transmitted signaling, e.g., paging indicators. For QFT, multiple...
US20110182335 CALIBRATION SIGNAL GENERATOR  
A calibration signal generator for use in a balancing circuit calibration device in a radio receiver, the calibration signal generator comprising: a means of amplifying a clocking signal from a...
US20140057583 RRM Measurements for UEs with Interference Suppression Receiver  
An apparatus and a method are described, in which a plurality of signals is received via plurality of receiver units of a receiver, signal quality and/or power related measurements are performed,...
US20070224958 RECEIVER CIRCUIT AND RECEIVER CIRCUIT TESTING METHOD  
A delay means, in response to a delay control signal, performs delay control of the phase of a clock input signal, and outputs it. A selector means, during a speed test, selects a clock input...
US20130137440 Radio Receiver Apparatus of a Cellular Radio Network  
A radio receiver apparatus of a cellular network, wherein the network allocates one or more cells to a particular connection of the radio receiver apparatus based on a feedback signal received...

Matches 1 - 50 out of 265 1 2 3 4 5 6 >