Patents for H03D 1 - Demodulation of amplitude-modulated oscillations (4,890) |
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01/25/2007 | US20070019762 Interference cancellation method and communication terminal for the same |
01/23/2007 | US7167531 System and method for shared decoding using a data replay scheme |
01/23/2007 | US7167505 Radio receiving apparatus and radio receiving method |
01/18/2007 | WO2007008873A2 Polar loop radio frequency (rf) transmitter having increased dynamic range amplitude control |
01/18/2007 | US20070014385 Evaluating device, reproducing device, and evaluating method |
01/18/2007 | US20070014381 Polar loop radio frequency (RF) transmitter having increased dynamic range amplitude control |
01/17/2007 | EP1743431A2 File download and streaming system |
01/11/2007 | WO2007005109A2 Jitter compensation and generation in testing communication devices |
01/11/2007 | WO2005029742A3 Method for estimating signal magnitude, noise power, and signal-to-noise ratio of received signals |
01/11/2007 | US20070009068 Methods and apparatus for communicating using a DC tone |
01/11/2007 | US20070009067 Methods and apparatus for radio frequency interference reduction |
01/11/2007 | US20070009063 Method and device for mapping/demapping a tributary signal into/from a synchronous frame |
01/11/2007 | US20070009057 Wireless communication system, receiving apparatus with a plurality of antennas, demodulating method for such wireless communication system, receiving apparatus, and program for such demodulating method |
01/10/2007 | EP1155503B1 Radio receiver and method for preloading an average dc-offset into a channel filter |
01/10/2007 | EP1118155B1 Method for separating a desired signal from an interfering signal |
01/09/2007 | US7161980 Receiver for high rate digital communication system |
01/04/2007 | WO2007002937A1 Apparatus, system, and method for multi-class wireless receiver |
01/04/2007 | WO2006086261A3 Wireless communications device performing block equalization based upon prior, current and/or future autocorrelation matrix estimates and related methods |
01/04/2007 | US20070002982 Receiver and method of processing received data |
01/04/2007 | US20070002981 Apparatus and method for sampling frequency offset estimation and correction in a wireless communication system |
01/04/2007 | US20070002980 Method for timing and sequence hypotheses selection |
01/04/2007 | US20070002979 Iterative channel estimation using pilot signals |
01/04/2007 | US20070002973 Systems and methods for high-efficiency transmission of information through narrowband channels |
01/04/2007 | US20070002972 Cancellation of undesired portions of audio signals |
01/04/2007 | US20070002969 Transmitting/receiving apparatus and method in a mobile communication system |
01/04/2007 | US20070002964 Jitter compensation and generation in testing communication devices |
01/03/2007 | EP1738476A2 System for synchronizing a portable transceiver to a network |
01/03/2007 | CN1890616A Voltage trimming circuit |
01/02/2007 | US7158585 OFDM channel estimation in the presence of interference |
01/02/2007 | US7157946 Chopper comparator circuit |
12/28/2006 | US20060291598 Method and system for antenna interference cancellation |
12/28/2006 | US20060291597 Digital-signal-processing apparatus and method |
12/28/2006 | US20060291596 Method of estimating noise and interference covariance matrix, receiver and radio system |
12/28/2006 | US20060291595 Communications channel symbol recovery by combining outputs at different decision delays |
12/28/2006 | US20060291594 Phase tracking for received signals using adaptive interpolation |
12/28/2006 | US20060291553 Equalizer mode selection based on distribution of symbol error |
12/27/2006 | EP1116323B1 Lock-in aid frequency detector |
12/27/2006 | CN1886889A 低功率幅度调制检测器 Low power amplitude modulation detector |
12/27/2006 | CN1292538C Smoothing circuit |
12/26/2006 | US7155176 System for synchronizing a portable transceiver to a network |
12/26/2006 | US7154971 DTSE at less than two complex samples per symbol |
12/26/2006 | US7154969 Method for shared estimation of parameters |
12/26/2006 | US7154966 Method and system for M-QAM detection in communication systems |
12/26/2006 | US7154965 Soft detection of data symbols in the presence of intersymbol interference and timing error |
12/21/2006 | WO2006135449A2 Homodyne rfid receiver and method |
12/21/2006 | WO2006004628A3 Reconfigureable arrays of wireless access points |
12/21/2006 | US20060286954 Method and apparatus for matching receiver carrier frequency |
12/21/2006 | US20060285607 High availability narrowband channel for bandwidth efficient modulation applications |
12/21/2006 | US20060284652 Power detecting circuit and demodulator comprising it |
12/20/2006 | EP1733474A2 Method and circuit for adaptive equalization of multiple signals in response to a control signal generated from one of the equilized signals |
12/20/2006 | CN1883121A Method and apparatus for accurately detecting validity of a received signal |
12/19/2006 | US7151809 Channel estimation and spatial processing for TDD MIMO systems |
12/14/2006 | US20060280240 Information read device and read signal processing circuit |
12/13/2006 | CN1290254C Process and device for detecting and processing signal waves |
12/12/2006 | US7149262 Method and apparatus for enhancing data resolution |
12/12/2006 | US7149260 Carrier recovery apparatus of VSB receiver and a method of recovering carrier using the same |
12/12/2006 | US7149259 Center of gravity control for hierarchical QAM transmission systems |
12/07/2006 | WO2005101655A8 Advanced digital receiver |
12/07/2006 | WO2005036753A3 Error-correcting multi-stage code generator and decoder for communication systems having single transmitters or multiple transmitters |
12/07/2006 | US20060274862 Quaternary precoded continuous phase modulation soft bit metric demodulator |
12/07/2006 | US20060274861 Channel esitmation and sequence for the reception of optical signal |
12/06/2006 | EP1728318A1 Method and system of reducing collisions in an asynchronous communication system |
11/30/2006 | WO2006128188A2 Adaptive interpolator for channel estimation |
11/30/2006 | US20060269021 Method and system for FM interference detection and mitigation |
11/30/2006 | US20060269016 Adaptive interpolator for channel estimation |
11/30/2006 | US20060269015 Receivers for DPSK signals |
11/23/2006 | WO2006124427A2 Rate selection with margin sharing |
11/23/2006 | WO2006123349A1 Method and apparatus for sensing the envelope of high level multi frequency band rf signals |
11/23/2006 | US20060262885 Apparatus and method for decode arbitration in a multi-stream multimedia system |
11/23/2006 | US20060262841 Signal-to-interference power ratio estimator |
11/23/2006 | US20060261859 Semiconductor integrated circuit device |
11/21/2006 | US7139960 Error-correcting multi-stage code generator and decoder for communication systems having single transmitters or multiple transmitters |
11/21/2006 | US7139337 Efficient partial response equalization |
11/21/2006 | US7139335 Optimal decision metric approximation in bit-soft decisions |
11/21/2006 | US7139325 System and method for five-level non-causal channel equalization |
11/21/2006 | US7139323 Multi-frequency data transmission channel power allocation |
11/16/2006 | WO2006068862A8 Method and apparatus for performing channel assessment in a wireless communication system |
11/16/2006 | WO2006001003A3 Interference canceller with fast phase adaptation |
11/16/2006 | WO2005104388B1 System for synchronizing a portable transceiver to a network |
11/16/2006 | US20060256898 Ingress noise reduction in a digital receiver |
11/16/2006 | US20060256897 Viterbi Pretraceback for Partial Cascade Processing |
11/16/2006 | US20060256896 Robust maximum-likelihood based timing recovery |
11/16/2006 | US20060256894 Frequency offset compensation in radio receiver |
11/16/2006 | US20060256849 Adaptive blind start-up receiver architecture with fractional baud rate sampling for full-duplex multi-level PAM systems |
11/16/2006 | US20060256848 Rate selection wtih margin sharing |
11/15/2006 | EP1425846B1 Transmitter arrangement especially for mobile radio |
11/14/2006 | US7136442 Receiving circuit receiving message signals |
11/14/2006 | US7136436 Boundary detection using multiple correlations |
11/14/2006 | US7136435 Modified branch metrics for processing soft decisions to account for phase noise impact on cluster variance |
11/14/2006 | US7136434 Apparatus and method for detecting energy of tone signal |
11/14/2006 | US7136433 Frequency offset cancellation circuit for data determination in FM wireless communications |
11/09/2006 | WO2006117834A1 Semiconductor device and ic card |
11/09/2006 | US20060251191 System and method for transmission format detection |
11/08/2006 | CN1860753A 正交频分多路复用接收器 Orthogonal frequency division multiplexing receiver |
11/08/2006 | CN1860677A Approximator apparatus, and associated method, for approximating an N-dimensional euclidean norm |
11/07/2006 | US7133527 Stereodecoder |
11/07/2006 | US7133476 Apparatus and methods for suppression of interference among disparately-modulated signals |
11/02/2006 | WO2006116334A2 Dc offset detection and cancellation in a receiver |
11/02/2006 | WO2006019611A3 A transmit system employing an antenna and balanced amplifier architecture which provides power amplifier load balancing independent of single or dual signal operation of the transmitter |
11/02/2006 | US20060245526 Apparatus and method for Viterbi decoding |