Patents
Patents for H04B 15 - Suppression or limitation of noise or interference (10,227)
05/2006
05/09/2006US7043030 Noise suppression device
05/09/2006US7042952 Methods and apparatuses for receiving and transmitting signals
05/09/2006US7042928 Method and apparatus for pilot estimation using prediction error method
05/09/2006US7042923 Method and apparatus for frequency hopping in a spread spectrum digital cordless telephone system
05/04/2006WO2006037046A3 System and method of reducing lo-related interference from tuners
05/04/2006WO2005119947A3 Feature finding assistant on a user interface
05/04/2006US20060094418 Communicating signals according to a quality indicator and a time boundary indicator
05/04/2006US20060094390 Method and system for a dual mode receiver with low intermediate frequency (IF) and zero second IF
05/04/2006US20060094362 Method and system for a polyphase clock for a second intermediate frequency (IF) mixer to improve signal quality
05/04/2006US20060093157 Audio high-speed reproducing device and audio high-speed reproducing method
05/04/2006US20060093024 Wireless communication method and apparatus for adaptively biasing channel quality indicators to maintain a desired block error rate
05/04/2006US20060091941 Suppression of noise in an integrated circuit
05/04/2006DE102004019366B4 Schaltungsanordnung für einen breitbandigen Mischer mit Vorverzerrung und hoher Linearität und Verfahren zum breitbandigen Mischen Circuit arrangement for a broadband mixer with predistortion and high linearity and method for mixing broadband
05/02/2006US7039561 Outlier rejection method in an automatic clinical analyzer
05/02/2006US7039361 System and method for reducing electromagnetic interference
05/02/2006US7039360 External noise intrusion prevention device, signal amplifier, protector and antenna plug
04/2006
04/27/2006WO2005112290A8 Mobile terminal having uwb and cellular capability
04/27/2006US20060089735 Method and apparatus for configuring the audio outputs of an electronic device
04/27/2006US20060089115 Dual band superheterodyne receiver
04/27/2006DE102005047038A1 Spannungsversorgungsrauschunterdrückungsschaltung und - verfahren Power supply noise reduction circuit and - procedures
04/26/2006EP1606962A4 Method and system for managing resources in wireless communication systems
04/26/2006EP1451955A4 Method and apparatus for providing multiple spread spectrum clock generator circuits with overlapping output frequencies
04/26/2006CN1764092A Method for preventing transmitting-receiving disturbance of electronic input apparatus signal
04/26/2006CN1764091A Method for avoiding transmitting-receiving frequency of electronic equipment disturbance and its device
04/26/2006CN1254132C CDMA-BLAST space-time code transmitting and receiving method based on scrambling code
04/25/2006US7035776 Low noise to signal evaluation
04/25/2006US7035654 System and method for providing GPS-enabled wireless communications
04/25/2006US7035632 Path loss data normalization for growth management of a cellular system
04/25/2006US7035623 System and method for creating a note related to a phone call
04/25/2006US7035622 System and method for creating a note related to a phone call
04/25/2006US7035615 Mixer circuit having improved even order noise, DC offset, and linearity characteristic
04/25/2006US7035614 System and method for discovering frequency related spurs in a multi-conversion tuner
04/25/2006US7035611 Apparatus and method for front-end circuitry in radio-frequency apparatus
04/25/2006US7035607 Systems and methods for providing an adjustable reference signal to RF circuitry
04/25/2006US7035606 Data communication apparatus
04/25/2006US7035590 Mobile communication terminal, interference cancellation system, interference cancellation method, and base station
04/25/2006US7035417 System for reducing noise in the reproduction of recorded sound signals
04/20/2006US20060084404 Methods and apparatus for selecting between multiple carriers using a single receiver chain tuned to a single carrier
04/20/2006US20060084387 Method and system for suppressing unwanted responses in wireless communication systems
04/19/2006EP1195039B1 Method and apparatus for synchronizing a database in portable communication devices
04/19/2006CN1761162A Differential circuit of wireless communication device and operation method
04/19/2006CN1252939C Foldable portable telephone set
04/18/2006US7031736 Method and apparatus of header compression for broadcast services in radio telecommunication system
04/18/2006US7031683 Apparatus and methods for calibrating signal-processing circuitry
04/18/2006US7031662 Wireless communication circuit, wireless communication terminal and method, recording medium, and program
04/13/2006WO2006039544A1 Apparatus for controlling a digital signal processor for radio isolation and associated methods
04/13/2006US20060079185 Radio communication system, mobile terminal unit thereof, and azimuth determining method
04/13/2006US20060078133 Integrated circuit systems and methods using block gain expansion and compression to improve the noise of analog storage in non-volatile memory cells
04/13/2006CA2582350A1 System and method for introducing dither for reducing spurs in digital-to-time converter direct digital synthesis
04/12/2006CN1759619A Method and system for managing resources in wireless communication systems
04/12/2006CN1758641A Orthogonal frequency-division multiplying transmitter for regulating false noise sequence level value according to service mode
04/12/2006CN1758561A Method and device for suppressed leakage electromagnetic field communication
04/12/2006CN1251545C Method for automatic selecting working channel to avoid mutual interference of wireless network arrangement
04/11/2006US7027827 Method and apparatus for channel sharing between multiple communication systems
04/11/2006US7027604 Circuit to prevent acoustic feedback for a cellular speakerphone
04/11/2006US7027595 Telecommunications apparatus and plug-in unit for same
04/11/2006US7027518 Method and arrangement for providing optimal bit protection against transmission errors
04/11/2006US7027496 Method and apparatus providing unbiased signal-to-noise ratio estimation and its application to discontinuous transmission detection
04/11/2006US7026851 PWM controller having frequency jitter for power supplies
04/06/2006WO2006037046A2 System and method of reducing lo-related interference from tuners
04/06/2006US20060073803 Direct conversion receiver with DC offset compensation
04/06/2006US20060072921 Optical transmission system for frequency-multiplexed signal
04/06/2006US20060072768 Complementary-pair equalizer
04/06/2006US20060072654 Adaptive generalized matched filter rake receiver system and method
04/06/2006US20060072228 Method and circuit for operating a storage device
04/05/2006EP0872052B1 Method and apparatus for performing handoff in a spread-spectrum communication system
04/05/2006CN1757173A Power supply line communication modem and power supply line communication system
04/05/2006CN1756116A Method for computing interference power in TD-SCDMA mobile communication system
04/05/2006CN1249929C Amplitude limiter for predicting parallel branch and amplitude limiting method
04/04/2006USH2152 Telemetry system having amplitude modulation of Walsh functions
04/04/2006US7024221 Notch filter for DC offset reduction in radio-frequency apparatus and associated methods
04/04/2006US7024215 Methods and apparatuses for measuring frequencies of basestations in cellular networks using mobile GPS receivers
04/04/2006US7024214 Synchronizing over a number of synchronization mechanisms using flexible rules
04/04/2006US7024005 Method and apparatus for reducing impulse noise in a signal processing system
04/04/2006US7024004 Audio circuit having noise cancelling function
04/04/2006US7023905 Correlation and demodulation circuit for a receiver for signals modulated by a specific code
04/04/2006CA2296216C Elimination of spurious signals in a double conversion tuner using a dynamic intermediate frequency and a preselected crystal reference frequency
03/2006
03/30/2006US20060068746 Direct conversion receiver radio frequency integrated circuit
03/30/2006US20060068744 Controlling the frequency of an oscillator
03/30/2006US20060068710 Implementation technique for linear phase equalization in multi-mode RF transmitters
03/30/2006US20060068708 System and method of eliminating or minimizing LO-related interference from tuners
03/29/2006EP1641124A2 Spread spectrum clock generation circuit
03/29/2006EP1639731A2 Method and apparatus for estimating carrier frequency offset and fading rate using autoregressive channel modeling
03/28/2006US7020549 Vehicular electronic apparatus suppressed of interference in receiving a broadcast wave
03/28/2006US7020294 Method for active noise cancellation using independent component analysis
03/28/2006US7020293 Noise reduction method
03/28/2006US7020292 Apparatuses and methods for recognizing an audio input and muting an audio device
03/28/2006US7020179 Base station transmitter in CDMA system
03/28/2006US7020178 Microprocessor decoder frequency hopping spread spectrum communications receiver
03/28/2006US7019997 AC adapter integral-type household-power-line coupler
03/28/2006CA2365634C Method and apparatus for selecting a communication data rate between mobile and base stations
03/23/2006US20060063491 Radio reception device and radio reception method
03/23/2006US20060062322 Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling
03/23/2006US20060062321 Method and device for wavelet denoising
03/22/2006EP1638349A1 A method and apparatus about accurate determining the first path in cdma mobile communication
03/22/2006CN2766354Y GSM/WCDMA combiner
03/22/2006CN1246983C Sectional demodifying method for effectively reducing interference (ICI) between sub-carrier
03/21/2006US7016684 Wireless communication method and apparatus for implementing access point startup and initial channel selection processes
03/21/2006US7016683 Frequency scheme for data transmission systems
03/21/2006US7016430 Apparatus and protocol for exception propagation in serial transport block coded interfaces
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