Quotables
"There is practically no chance communications space satellites will be used to provide better telephone, telegraph, television, or radio service inside the United States."
T. Craven, FCC Commissioner ; 1961
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| Number | Title | Issue Date |
| 8116404 | Diversity receiver and method for controlling power thereof The present disclosure provides a diversity receiver. The diversity receiver includes a plurality of tuners, a plurality of demodulators operatively coupled to the plurality of tuners and a controller operatively coupled to the plurality of demodulators and the plur... | 02/14/2012 |
| 8116405 | Method and apparatus for time synchronization using GPS information in communication system A method and apparatus for time synchronization (TS) method using GPS information in a communication system synchronizing the time of slave nodes, which do not have a GPS receiver, by using GPS information of a node having a GPS receiver. The method includes the ste... | 02/14/2012 |
| 8111783 | Capturing and using radio events In one embodiment a method includes, collecting in-phase/quadrature (I/Q) data representing energy detected by a radio in a frequency band, performing a fast Fourier transform (FFT) on the I/Q data resulting in a stream of FFT blocks, identifying using the stream of... | 02/07/2012 |
| 8111781 | Radio frequency identification (RFID) interrogators An RFID interrogator includes a signal processing module for converting a transmission signal transmitted from an RFID tag into an input signal; a first matched filter coupled to the signal processing module for generating a first matched signal according to the inp... | 02/07/2012 |
| 8111782 | Apparatus and method for transmitting/receiving data in a multi-antenna system, and system using the same A data reception apparatus and method for generating and transmitting feedback information in a multi-antenna system using grouped antennas, and a data transmission apparatus and method for transmitting a data stream of a user according to a transmission mode select... | 02/07/2012 |
| 8107559 | Receiving apparatus A receiving apparatus has counters 15 for counting intervals between group types 8A containing TMC data in RDS data in synchronization with an RDS clock signal, and causes a radio control unit 17 to control a sub tuner front end 7 so as t... | 01/31/2012 |
| 8107558 | Electronic circuitry and method for determination of amplitudes of received signals A method and a calculating circuit for generating an output signal representing an actual amplitude of a received digitized signal having a magnitude of the actual amplitude equal or greater than a value of a saturation level of a dynamic range of a receiver. For th... | 01/31/2012 |
| 8107557 | Reception system having a switching arrangement for suppressing change-over interference in the case of antenna diversity A diversity processing system for providing interference masking signals in an interference suppression circuit. These interference masking signals are generated by an interference detector which through a coupling element couples in a signature signal into a recept... | 01/31/2012 |
| 8102944 | Mode and rate control for MIMO transmission Techniques for performing mode and rate control for a MIMO transmission are described. For mode selection, the use of an eigensteering mode is permitted if a first set of at least one criterion is satisfied. The eigensteering mode is selected for data transmission i... | 01/24/2012 |
| 8102943 | Variable digital very low intermediate frequency receiver system The present invention is a radio frequency (RF) receiver that uses an RF mixer for tuning to desired frequency bands. The RF receiver down converts a received RF signal into a very low intermediate frequency (VLIF) signal. When receiving a desired RF signal, the fre... | 01/24/2012 |
| 8102946 | Systems and methods for performing SISO detection in a WiMAX environment In accordance with some embodiments, a communication system is described that comprises a soft-output detector configured to receive a transmit signal and output reliability information regarding the received signal. In accordance with such embodiments, the detector... | 01/24/2012 |
| 8102945 | Signal processing device and signal processing method The present invention relates to a signal processing device and a signal processing method that are capable of processing various types of signals. The signal processing device comprises a frequency detecting unit detecting a frequency of a data signal by checking s... | 01/24/2012 |
| 8098766 | Transceiver with switch circuit for routing data from receiver to transmitter A transceiver includes a receiver unit including a clock and data recovery unit. The transceiver includes a transmitter unit and a digital core coupled to the receiver unit and the transmitter unit. A switch circuit is positioned after the clock and data recovery un... | 01/17/2012 |
| 8098765 | Reducing and sharing computations for GPS signal processing Methods and systems for processing a Global Positioning System (GPS) signal are provided. A method includes: transforming a time domain GPS signal to a frequency domain GPS signal; storing a frequency domain pseudorandom noise (PRN) signal; correlating the frequency... | 01/17/2012 |
| 8098767 | Receiver adjustment between pilot bursts A receiver may train its equalizer using consecutive pilot bursts, divide the traffic between the consecutive pilot bursts into multiple sub-segments, and interpolate the trained equalizer coefficients to obtain the coefficients for equalizing one or more of the sub... | 01/17/2012 |
| 8090054 | Method for receiving signal and apparatus thereof A signal receiving apparatus includes a frequency converting circuit, a computing circuit, and a control circuit. The frequency converting circuit is for converting a RF signal to respectively generate a first converted signal and a second converted signal according... | 01/03/2012 |
| 8085874 | Mixed waveform configuration for wireless communications A mixed waveform configuration for wireless communications including a first portion that is modulated according to a single-carrier modulation scheme and a second portion that is modulated according to a multi-carrier modulation scheme. The waveform is specified so... | 12/27/2011 |
| 8085873 | Systems and methods for enhanced channel estimation in wireless communication systems Disclosed herein are methods and apparatus for enhancing the estimation of channel response in a wireless communication system. An apparatus (and associated method) for optimizing channel estimation in a communication system includes a receiving antenna; a receiver ... | 12/27/2011 |
| 8081713 | DTV receiving system and method of processing DTV signal A DTV receiving system for processing digital broadcast data includes a tuner for receiving a broadcast signal from a DTV transmitter, an equalizer for compensating channel distortion of the broadcast signal using the known data sequences, and a decoder for decoding... | 12/20/2011 |
| 8077804 | Transmitting apparatus, receiving apparatus and transmitting/receiving system for digital data A transmitting apparatus for transmitting digital data includes storage unit for storing a digital data delay due to digital processing inside the transmitting apparatus; and delay information transmitting unit for transmitting delay information indicating the delay... | 12/13/2011 |
| 8077805 | MIMO equalizer method and apparatus A training signal is received, and a channel estimate matrix is determined based on the received training signal. The channel estimate matrix is partitioned into a plurality of block matrices, wherein at least one of the block matrices has at least one dimension gre... | 12/13/2011 |
| 8073076 | Method and apparatus for processing a communication signal An access terminal for processing a communication signal includes a receiver. The receiver is configured to determine a bias point for the communication signal based on a quality measurement of the communication signal, the quality measurement having a carrier-to-in... | 12/06/2011 |
| 8073077 | Reception quality calculation method, reception quality calculation apparatus, and communication apparatus In a communication apparatus which transmits parameters corresponding to a reception environment to a transmitting apparatus which switches the transmission rate based on the reception environment, reception quality calculated in the past is saved as a first recepti... | 12/06/2011 |
| 8073078 | Split channel receiver with very low second order intermodulation A high performance radio frequency receiver includes an isolated transconductance amplifier with large binary and stepped gain control range, controlled impedance, and enhanced blocker immunity, for amplifying and converting a radio frequency signal to multiple elec... | 12/06/2011 |
| 8068559 | Pulse width modulation (PWM) clock and data receiver and method for recovering information from received data signals The present disclosure generally relates to pulse width modulation (PWM) clock and data receivers and methods for recovering data and timing information from received signals. A PWM clock and data receiver in one exemplary embodiment of the present disclosure has co... | 11/29/2011 |
| 8068561 | DTV receiving system and method of processing DTV signal A broadcast receiver and a method of processing broadcast data in the broadcast receiver are disclosed. The broadcast receiver includes a tuner for receiving a broadcast signal including mobile service data, main service data and known data sequences; an equalizer f... | 11/29/2011 |
| 8068560 | QR decomposition apparatus and method for MIMO system Provided is a QR decomposition apparatus and method that can reduce the number of computers by sharing hardware in an MIMO system employing OFDM technology to simplify a structure of hardware. The QR decomposition apparatus includes a norm multiplier for calculating... | 11/29/2011 |
| 8059754 | System and method for fast signal acquisition in a wireless digital receiver for wideband signals A receiver synchronization technique is described in this disclosure that significantly reduces the convergence time for synchronization further enabling specially modulated radio frequency carrier waves using the following steps: the characteristics of the baseband... | 11/15/2011 |
| 8059755 | Method for discerning a desired signal from an interfering signal in an under sampled system Described herein are methods and apparatuses for receiving a desired signal at a signal receiver with an undersampling frequency. A signal converter with a local oscillator frequency, a bandpass filter, and an analog-to-digital converter are used to generate an alia... | 11/15/2011 |
| 8059753 | Adaptive channel estimator and adaptive channel estimation method An adaptive channel estimator for estimating channel frequency responses when receiving OFDM symbols. The adaptive channel estimator comprises a channel estimator and a channel tracking module. The channel estimator generates one first channel frequency response for... | 11/15/2011 |
| 8059756 | High-speed serial link receiver with centrally controlled offset cancellation and method A high-speed serial link receiver includes variable offset comparators with centrally controlled offset cancellation. The receiver includes a comparator stage to receive a high-speed differential input signal. Comparator elements of the comparator stage have first a... | 11/15/2011 |
| 8054913 | Receiver Power switches of circuits at respective stages of a low noise amplifier, demodulators, low-pass filers, variable gain amplifiers, and analog-to-digital converters are controlled to be off by an operation control unit in a non-reception period of an impulse signal. ... | 11/08/2011 |
| 8054914 | Noise variance estimation A method and system for estimating noise variance. A method for noise variance estimation comprises receiving a first multi-sample symbol and receiving a second multi-sample symbol. The first multi-sample symbol is subtracted from the second multi-sample symbol to p... | 11/08/2011 |
| 8050361 | Method and apparatus for coding in a telecommunications system First and second transmission links are established with a remote station. An information signal is encoded to provide an encoded information signal having more bits than the information signal. First and second transmission signals are provided wherein each transmi... | 11/01/2011 |
| 8045647 | Low power, high speed receiver circuit for use in a semiconductor integrated circuit A receiver circuit according to the invention includes a first phase transmission unit that is synchronized with a first clock, detects input data according to a plurality of detection levels, and transmits a first output signal, a first discharging control unit tha... | 10/25/2011 |
| 8045645 | Signal processor for estimating signal parameters using an approximated inverse matrix A device that estimates information from a signal includes a receiver for receiving an input signal and electronic processing circuitry. The electronic processing circuitry generates a matrix associated with the input signal and determines an approximation of an inv... | 10/25/2011 |
| 8045646 | Apparatus for estimating phase error and phase error correction system using the same Provided are an apparatus for estimating a phase error and a phase error correcting system using the phase error estimating apparatus. The apparatus includes: a probability value estimating unit for estimating a negative log probability value for each transmission s... | 10/25/2011 |
| 8040976 | Digital receiver and method A receiver and method is provided for sigma-delta converting an RF signal to a digital signal and downconverting to a digital baseband signal. The RF signal is split into N phases, as can be accomplished using a sample and hold circuit, and each phase is digitized, ... | 10/18/2011 |
| 8036311 | Apparatus and method for GPS-based digital compensation of radio frequencies An apparatus and method for controlling the communication frequencies of a software controlled radio by using GPS to calibrate one or more local oscillators and compensating within the digital radio processing for the local oscillator inaccuracies. The apparatus and... | 10/11/2011 |
| 8036315 | Multiple signal receiving Presently disclosed are a multichannel receiver and a method of operating it. The multichannel receiver includes a first channel circuit of N channel circuits. The first channel circuit includes a band pass (BP) filter and a gain control feedback circuit configured ... | 10/11/2011 |
