| Patents for H03D 1 - Demodulation of amplitude-modulated oscillations (4,890) |
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| 08/06/2009 | US20090196377 Correlation system and method for gnss receiver |
| 08/05/2009 | CN100525167C System and method for peak power reduction in multiple carrier communications systems |
| 08/04/2009 | US7570720 FEC scheme for encoding two bit-streams |
| 08/04/2009 | US7570110 Arrangement for demodulating a vestigal sideband signal |
| 07/30/2009 | US20090191835 Reverse link channel estimation using common and dedicated pilot channels |
| 07/29/2009 | CN100521508C Self-adaptive bandwidth demodulation device |
| 07/28/2009 | US7567638 System and method for canceling interference in a communication system |
| 07/28/2009 | US7567637 Wireless communication system and method with frequency burst acquisition feature using autocorrelation and narrowband interference detection |
| 07/28/2009 | US7567633 Reception device with data recovery mechanism, adapted to transmission system using a direct spread spectrum sequence |
| 07/28/2009 | US7567632 Specific phase position detection circuit and method of the same |
| 07/23/2009 | WO2009009213A3 Super regenerative (sr) apparatus having plurality of parallel sr amplifiers tuned to distinct frequencies |
| 07/23/2009 | US20090185648 Methods and devices for processing signals transmitted via communication system |
| 07/23/2009 | US20090185642 Automatic gain control using signal and interference power to obtain extended blocking performance |
| 07/21/2009 | US7564933 Method and system for near optimal iterative detection of the 2-dimensional ISI channel |
| 07/21/2009 | US7564932 Method and system for enhancing bit rate in DMT quad spectrum systems |
| 07/16/2009 | WO2009089404A1 Rejection of a close-in-frequency interferer employing a log detector and classical down converter |
| 07/15/2009 | CN100514841C Device in one-way on state |
| 07/14/2009 | US7561644 Method, system and device for reducing co-channel interference |
| 07/14/2009 | US7561643 DC offset correction in mobile communication system |
| 07/14/2009 | US7561642 Recording condition setting device, recording/reproducing device, recording condition setting method, control program, and recording medium |
| 07/14/2009 | US7561639 Method and device for estimating channel properties of a transmission channel |
| 07/14/2009 | US7561638 Demodulation apparatus and receiving apparatus |
| 07/09/2009 | US20090175386 System and Method for Improved Vector Analysis |
| 07/08/2009 | EP1738476A4 System for synchronizing a portable transceiver to a network |
| 07/07/2009 | US7558349 Method and apparatus for measuring characteristics of a multi-channel system in the presence of crosstalk |
| 07/07/2009 | US7558348 Radio frequency antenna system and high-speed digital data link to reduce electromagnetic interference for wireless communications |
| 07/07/2009 | US7558347 Method and device for selecting an antenna for receipt of a multi-carrier signal |
| 07/07/2009 | US7558345 Apparatus and method for synchronizing symbol timing synchronization applicable to orthogonal frequency division multiplexing (OFDM) receiver |
| 07/07/2009 | US7558340 VSB receiver and carrier recovery apparatus thereof |
| 07/02/2009 | US20090168930 Methods and Systems for Doppler Estimation and Adaptive Channel Filtering in a Communication System |
| 07/02/2009 | US20090168929 Method and apparatus for impulse noise detection and suppression for dvb-t |
| 07/01/2009 | CN101473528A Method for demodulating a modulated signal, demodulator and receiver |
| 06/30/2009 | USRE40810 Reduced MIPS pulse shaping filter |
| 06/30/2009 | US7555080 Digital broadcasting receiving system and equalizing method thereof |
| 06/30/2009 | US7555079 Method and corresponding arrangement for DC offset compensation using channel estimation |
| 06/30/2009 | US7555075 Adjustable noise suppression system |
| 06/30/2009 | US7555074 Interference estimation in the presence of frequency errors |
| 06/30/2009 | US7555072 Method and circuit for detecting guard intervals in OFDM communication systems |
| 06/30/2009 | US7555071 Method and apparatus for non-linear scaling of log likelihood ratio (LLR) values in a decoder |
| 06/30/2009 | US7555068 Producing control signals indicating transmit diversity and no transmit diversity |
| 06/30/2009 | US7555067 Method and apparatus for decoder input scaling based on interference estimation in CDMA |
| 06/30/2009 | US7555066 E8-VSB reception system |
| 06/25/2009 | US20090160546 Am (amplitude modulation) demodulation system for rfid reader device |
| 06/24/2009 | EP2073378A1 AM (Amplitude Modulation) demodulation system for RFID reader device |
| 06/24/2009 | CN100505515C Load circuit for eliminating DC bias voltage |
| 06/23/2009 | US7551698 Derivation of eigenvectors for spatial processing in MIMO communication systems |
| 06/18/2009 | US20090158114 Error-correcting multi-stage code generator and decoder for communication systems having single transmitters or multiple transmitters |
| 06/18/2009 | US20090154619 Frequency error estimator using second-order loop filter and operating method of the frequency error estimator |
| 06/18/2009 | US20090154607 Method and Apparatus for Blind Decoding |
| 06/18/2009 | US20090154605 System and method for performing direct maximum likelihood detection |
| 06/18/2009 | US20090153240 Comparator with sensitivity control |
| 06/17/2009 | EP1487123B1 Direct conversion receiver |
| 06/17/2009 | EP1314257B1 A mixer |
| 06/11/2009 | US20090147891 Audio signal demodulation apparatus |
| 06/11/2009 | US20090147890 Apparatus and method for canceling interference in multi-antenna system |
| 06/09/2009 | US7545893 Single antenna interference cancellation via complement subspace projection in spatial-temporal expansion of noise estimation |
| 06/09/2009 | US7545888 Apparatus for and method of controlling a digital demodulator coupled to an equalizer |
| 06/09/2009 | US7545887 Synchronous detection method and device |
| 06/04/2009 | DE102007005543B4 Schaltung zur Ermittlung elektrischen Leerlaufs mit Eingangssignal-Gleichrichter Electrical circuit for determining idling with input signal rectifier |
| 06/03/2009 | EP1652291A4 Method and apparatus for reducing interference within a communication system |
| 06/02/2009 | US7542531 Digital cancellation of radio frequency interference |
| 06/02/2009 | US7542486 Method of processing an incident pulsed UWB signal received by an independent data device of a wireless data communication system of the WPAN type, and corresponding independent data device |
| 05/28/2009 | US20090138744 Multiplier device with suppression of higher-order distortion |
| 05/28/2009 | US20090135964 Method of calculating log-likelihood ratio and method of detecting transmission signal |
| 05/28/2009 | US20090135935 Digital tv receiver having built-in diversity structure |
| 05/21/2009 | US20090129514 Accurate data-aided frequency tracking circuit |
| 05/20/2009 | CN101438494A Apparatus for and method of developing equalized values from samples of a signal received from a channel |
| 05/19/2009 | US7535291 AM demodulator |
| 05/19/2009 | US7535290 AM radio receiving circuit |
| 05/14/2009 | US20090122921 Method and apparatus of decoding encoded data frame having dummy bit sequences included therein |
| 05/14/2009 | US20090122908 Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processing method thereof |
| 05/14/2009 | US20090122900 Noise Power Interpolation in a Multi-Carrier System |
| 05/14/2009 | US20090122895 Digital broadcasting transmission/reception system utilizing srs and trs code to improve receiving performance and signal processing method thereof |
| 05/13/2009 | CN100488029C Chip and system correlative to controlled frequency signals |
| 05/12/2009 | US7532686 Correlator and receiving apparatus utilizing the same |
| 05/07/2009 | WO2009056889A2 Improvements in and relating to logarithmic detectors |
| 05/07/2009 | US20090116589 Performance-based link adaptation techniques |
| 05/07/2009 | US20090116587 Method, system and apparatus for generating constant amplitude zero autocorrelation sequences |
| 05/06/2009 | EP2056175A2 Receiving circuit and timepiece |
| 05/05/2009 | US7529535 Carrier recovery based demodulation |
| 05/05/2009 | US7529327 Method and apparatus for compensating for the frequency offset in interleaved frequency division multiple access |
| 05/05/2009 | US7529324 Decoder, decoding method, and disk playback device |
| 05/05/2009 | US7529323 Quaternary precoded continuous phase modulation soft bit metric demodulator |
| 04/30/2009 | DE102007050563A1 Duplex modulator has modulator, carrier signal generator, amplifier stage and antenna, and information signal source is connected directly or indirectly with modulator by another modulator |
| 04/29/2009 | CN101421914A Method and system for selecting MCS in a communication network |
| 04/29/2009 | CN100484113C Method and apparatus for estimating character of transmitting channel |
| 04/28/2009 | US7526053 Sequence detector using viterbi algorithm with soft output error correction |
| 04/28/2009 | US7526050 CCK demodulation via symbol decision feedback equalizer |
| 04/23/2009 | WO2007044770A3 Blind preamble detection for an orthogonal frequency division multiplexed sample stream |
| 04/23/2009 | WO2007044149A3 Adaptive narrowband interference canceller for broadband systems |
| 04/23/2009 | US20090103669 Adaptive equalization and interference cancellation with time-varying noise and/or interference |
| 04/23/2009 | US20090103665 Digital broadcast transmission and receiving system having an improved receiving performance and signal processing method thereof |
| 04/23/2009 | US20090103664 Digital broadcast transmission and receiving system having an improved receiving performance and signal processing method thereof |
| 04/23/2009 | US20090103663 Digital broadcast transmission and receiving system having an improved receiving performance and signal processing method thereof |
| 04/23/2009 | US20090103662 Digital broadcast transmission and receiving system having an improved receiving performance and signal processing method thereof |
| 04/23/2009 | US20090103661 Digital broadcast transmission and receiving system having an improved receiving performance and signal processing method thereof |
| 04/23/2009 | US20090103659 Reduced-complexity decoding algorithms for tail-biting convolutional codes |
| 04/23/2009 | US20090103658 Digital broadcast transmission and receiving system having an improved receiving performance and signal processing method thereof |
| 04/23/2009 | US20090103654 Low intermediate frequency receiver |
| 04/21/2009 | US7522682 Removing bias in a pilot symbol error rate for receivers |