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Telecommunications > Receiver Or Analog Modulated Signal Frequency Converter > Measuring Or Testing Of Receiver Measuring Or Testing Of ReceiverMeasuring Or Testing Of Receiver patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.12/21/06 - 20060286953 - Signal measuring device A signal measuring device controls the width of a signal for controlling frequency sweep, in accordance with a signal to be measured. The signal measuring device includes a local oscillator (10) for generating a local signal, a mixer (12) for mixing a signal to be measured with the local signal; ... 11/30/06 - 20060270371 - Tracking short-term maximum power spectrum density for improved visibility of low duty cycle signals A method is provided for analyzing activity in a frequency band that improves over conventional spectrum analyzers by providing the ability to visualize signals or energy with short duty cycles. During a time interval, a sequence of short-time power spectrum estimates is computed for energy received in said frequency band. ... 11/09/06 - 20060252395 - Broadcast signal receiver and control method thereof The present invention relates to a broadcast signal receiver comprising a low noise amplifier for receiving an RF signal and selectively amplifying the received RF signal; a tuner for tuning the RF signal selectively amplified by the low noise amplifier to a predetermined channel; a signal analyzer for demodulating a ... 10/05/06 - 20060223469 - 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 detector for detecting field intensity of the radio waves and a display panel for displaying the detected field ... 09/28/06 - 20060217096 - Testing apparatus for digital telecommunication The invention relates to a testing apparatus (21) comprising means for receiving signals in a frequency range comprising a plurality of channels. The testing apparatus further comprises means for scanning said frequency range (210, 213), means for detecting at least one channel comprising a digital signal (211), means for measuring ... 09/21/06 - 20060211391 - Communication environment measurement method for mobile station and the mobile station In a communication system for respectively transmitting pilot signals from a plurality of base stations to a mobile station via a first channel and also for transmitting data from one base station to a mobile station via a second channel, the mobile station corrects total receive power at the time ... 08/31/06 - 20060194553 - Systems, methods and apparatus for determining a radiated performance of a wireless device Systems, methods, apparatus, processors and computer-readable media include a radiated testing module that executes a predetermined radiated performance test on a wireless device. The test dictates various performance-related parameters to measure and log at each of a plurality of predetermined positions. Further, the wireless device receives synchronization information operable to ... 08/31/06 - 20060194552 - Method of using snr to reduce factory test time The application relates to wireless networks and more particularly to a method of reducing factory test time of receiver sensitivity in a Code Division Multiple Access (CDMA) wireless device. Under TIA/EIA/-98E, the radio frequency (RF) sensitivity of a CDMA wireless receiver is the minimum received power, measured at the mobile ... 08/10/06 - 20060178124 - Cognitive spectrum analysis and information display techniques A device and method are provided for monitoring and analyzing received over-the-air energy. According to one aspect, a device and method are provided for performing spectrum analysis on the received energy, generating data for displaying one or more plots associated with the analyzed received energy; determining a type of one ... 08/03/06 - 20060172716 - Ofdm reception device and ofdm reception method An interference symbol determining section 208 compares reception power of a signal at an interference position measured by an interference position reception power measuring section 208B with a reception power value of a desired signal measured by a desired signal measuring section 208D for each subcarrier, thereby determines symbols which ... 07/13/06 - 20060154632 - Broadband receiver A broadband receiver exhibiting reduced interference to a frequency counter caused by a local oscillator. The broadband receiver is arranged for detecting a radio signal of strong reception intensity and receiving the radio signal, and in a specific configuration includes: a reception system including an antenna for receiving the radio ... 07/06/06 - 20060148436 - Signal amplifying apparatus and method A signal amplifying apparatus and method selectively amplify a received signal according to the strength of the received signal. The signal amplifying apparatus includes a signal receiving unit for outputting a state signal according to a state of a received radio frequency (RF) signal, an amplifying unit for amplifying the ... 06/01/06 - 20060116096 - Communication system control using reliability data A method and apparatus for recovering a data symbol from a communication signal in which the communication signal is processed to produce a baseband waveform that is then sampled to obtain a channel sequence. The channel sequence is decoded to obtain an estimate of the data symbol together with a ... 04/13/06 - 20060079191 - Method and apparatus for continuously controlling the dynamic range from an analog-to-digital converter A method for continuously determining the required dynamic range for an analog-to-digital converter by determining the received signal strength and using this received signal strength value in combination with the overall dynamic range for the ADC and the target resolution of the ADC to decode a radio channel in the ... 04/13/06 - 20060079190 - Data communication system with optimal damping function A data communication system includes a plurality of sensor initiators, each of which has first and second antennas; a communication control module and a plurality of sensor communication modules. The communication control module is connected with the plurality of sensor initiators through a LAN and is configured to control the ... 04/06/06 - 20060073801 - Adaptive beam forming receiver The present invention provides a method and system for operating a wireless communication system in which received signals from a plurality of antennas are weighted and combined with a beam forming operation to form an output signal. In an embodiment of the present invention, beamforming operations are performed with maximal ... 03/30/06 - 20060068730 - High frequency peak power detection circuit A digital high frequency power detection circuit includes a peak detecting circuit and a peak computing circuit. The peak detecting circuit is operably coupled to detect a peak value of a high frequency signal and includes an amplifier, transistor, and capacitor. The amplifier has a 1st input, 2nd input and ... 03/02/06 - 20060046676 - Method for evaluating the redeption quality of a stereo radio set and stereo radio set According to the invention, a precise criterion for evaluating the reception quality is derived in a stereo radio set from the signal energy or power of the upper and lower sideband (OS, US) of the L−R signal (L−R) of the stereo multiplex signal (MPX). To achieve this, the upper sideband ... 02/16/06 - 20060035612 - Receiver There is provided a receiver not requiring a complicated connection for an operation test and capable of reducing the test time and simplifying the device configuration. An output signal of an oscillator 21 used for generating a reference signal input to a PLL circuit 20 connected to a local oscillator ... 01/12/06 - 20060009180 - Rf receiver mismatch calibration system and method A calibration system for an RF system that includes an RF receiver capable of operating in a normal mode and in a calibration mode. The calibration system includes a phase delay unit provided on at least one of an I channel output and a Q channel output of the RF ... 12/29/05 - 20050287973 - Radio receiver capable of suppressing deterioration in reflection characteristics of output therefrom A radio receiver, which is for example a GPS receiver, comprises a reception antenna receiving a radio wave whose wavelength γ to output an electrical signal depending on the received radio wave, an amplifier amplifying the electrical signal outputted from the reception antenna, and a cable connected via a connection ... 11/24/05 - 20050260962 - Systems and methods for testing signal processing control A test system emulates the analog processing portion of a communication device and adjusts input signals based on distortions specified by a user and control signals generated by a baseband processing portion of the communication device. The distortions can be specified in terms of the baseband. One or more of ... 11/03/05 - 20050245222 - System and method for detecting a fault in a multiple receiver system A system and method for receiving output signals from each receiver of multiple receivers, the output signals generated based on receipt of a same transmission; incrementing a count value associated with each receiver based on the output signals; and determining whether a fault in a receiver exists based on the ... 10/13/05 - 20050227654 - Method of communication channel estimation and information receiving terminal using the same A method of communication channel estimation between a transmitter and a receiver is provided. The method includes the step (a): receiving at a first interval a first signal transmitted by the transmitter and obtaining a first channel characteristic corresponding to the first signal; (b): receiving at a second interval a ... 10/06/05 - 20050221776 - Test signal generation circuit, and reception circuit A test signal generation circuit includes a tuning circuit, a local oscillation circuit for forming orthogonal local oscillation signals, first mixer circuits for frequency-converting the reception signal into IF signals by the local oscillation signals, IF-filters for extracting the IF signals from outputs of the first mixer circuits, phase shift ... 09/29/05 - 20050215219 - Direct tuning of radio receiver integrated circuit A method for direct tuning of a radio receiver begins by providing a plurality of frequency-dependent control input signals to an input of the radio receiver. The method continues by, for each of a plurality of frequency-dependent control input signals, determining received signal strength of a current one of the ... 09/29/05 - 20050215218 - Impairment correlation estimation in a spread spectrum system A method and apparatus derives an impairment correlation matrix to process signals received at a wireless receiver over multiple paths of a multi-path channel. The receiver includes first and second impairment correlation estimators for estimating first and second impairment correlation matrices based on despread symbols received over multiple paths of ... 09/29/05 - 20050215217 - If frequency response characterization employing overlapping frequency bands A method and system characterizes an IF response of a receiver under test, such that an effect on the characterization by errors associated with uncertainties in knowledge of an RF stimulus signal used to perform the characterization is reduced. The method includes determining an estimate of an actual IF response ... 08/04/05 - 20050170802 - Apparatus and method for receiving signal in a multiple-input multiple-output communication system An apparatus and method for receiving a signal in a MIMO communication system are provided. In the signal receiving method, a first received signal received at each of the receive antennas is equalized in a predetermined first method. Each of the equalized transmit antenna signals is despread with a plurality ... 08/04/05 - 20050170801 - Method and system for power control in wireless portable devices using wireless channel characteristics A method controls the operation of devices which communicate over a wireless communications channel. The method includes determining a parameter of a received signal communicated over the wireless communications channel and determining a minimum threshold value of the received signal. An average duration of fade is determined using the parameter ... 07/28/05 - 20050164663 - Pre-testing and certification of multiple access codes A system, method and article of manufacture are provided for managing the transmission suitability of a channel in a multi access scheme. In general, information relating to noise associated with a channel is obtained. A potential effect of the noise on a transmission quality of the channel is then estimated ... 07/21/05 - 20050159124 - Distortion reduction calibration Techniques are disclosed for compensating for second-order distortion in a wireless communication device. In a zero-intermediate frequency (IF) or low-IF architecture, IM2 distortion generated by the mixer (20) results in undesirable distortion levels in the baseband output signal. A compensation circuit (104) provides a measure of the IM2 distortion current ... 06/02/05 - 20050118970 - Method of measuring and calibrating frequency down converter A frequency down converter that maintains accuracy even if the frequency pass band is wide uses a reference frequency band within the frequency pass band, the reference frequency band being resistant to degradation by aging or temperature variation. The ideal characteristics of the reference frequency band are previously stored. The ... ### FreshPatents.com Support |