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Patent Searching and Data


Matches 851 - 900 out of 5,021

Document Document Title
WO/2005/078971A1
An antenna unit, which is connected to an electronic device for transmitting a received radio signal thereto, has a noise canceller, which cancels noise that occurs in the electronic device and is conveyed to the antenna unit via a groun...  
WO/2005/076970A2
Measurements for handoff are made by a wireless transmit/receive unit (WTRU) operating with a switched beam antenna in a wireless communication system. The switched beam antenna is a smart antenna generating a plurality of directional be...  
WO/2005/076464A1
A method for generating phase signals includes triggering a phase register to output a binary number stored in the phase register, wherein the phase register is triggered based at least in part on a voltage signal provided by a voltage c...  
WO2004066511A3
Method and apparatus of network management using a perceived indicator to provide physical layer measurements in a multitude of stations in the network, either by way of radio frequency power, or observed signal to noise plus interferenc...  
WO/2005/067382A2
An isolation circuit for adjustable power system in which the user analog inputs (16) and optional user analog outputs (18) are isolated from the load common potential by discrete value isolators (50) instead of expensive, less accurate,...  
WO/2005/067184A1
The present invention relates to a noise filtering edge detector (NFED) for removing phase noise from wave-form edges and/or removing amplitude glitches from wave-form pulses by continues digital filtering of the entire incoming wave-for...  
WO/2005/065012A2
This invention describes a method for efficient beamforning for generalized sidelobe canceling (10) using complementary noise separation filtering (31 ) for generating a noise reference for adaptation performance of an adaptive interfere...  
WO2004093326A3
Base station transmitter signals are combined more effectively through the use of anti-phase pilots between pairs of transmission paths. At the combiner (118), the pilots will cancel when the amplitude, phase, and delay of the two transm...  
WO/2005/055477A1
The invention relates to a method of masking an unwanted electromagnetic noise generated by a motor vehicle computer (10). The inventive method is characterised in that it comprises the following step, namely: the creation of a magnetic ...  
WO/2005/053257A2
A reconfigurable partial response encoder manages the emitted spectrum of a digital signal.  
WO/2005/050892A2
The present invention is related to a method and apparatus for automatic frequency correction of a local oscillator. The apparatus receives a carrier signal. The carrier signal includes a code sequence known to the apparatus. The apparat...  
WO/2005/050622A1
A method and apparatus for reducing echo in a communication system are provided. A first signal including a voice component associated to a speaker is received. The first signal is processed to derive a harmonic feature of the voice comp...  
WO/2005/048030A2
A method for initial downlink transmit power adjustment for non-real time services in a wireless communications network begins by estimating an initial downlink transmit power level for non-real-time services. The estimated power level i...  
WO2004107612A3
An electrical device (10) comprising a signal source (12), a switched mode device (26, 62) and a sampling circuit (18), in which the sampling circuit is adapted to periodically sample an output (16) of the signal source during a time per...  
WO/2005/041453A1
In one embodiment, a method is provided. The method may include determining if electromagnetic interference (EMI) is emitted by a device in one or more regions of an electromagnetic spectrum occupied by other users, and if it is determin...  
WO/2005/034406A2
A method and system is disclosed for enhancing reception of wireless communication signals. A beam pattern including at least one set of beams is generated. Where the beam pattern includes at least two sets of beams, the beam sets may be...  
WO/2005/032022A1
A multipath interference cancellation method in a multicode code division multiple access (cdma) system comprising a transmitter and a receiver is disclosed. The method is for determining, at the receiver, a set of data symbols of a mult...  
WO2004034231A3
A method, computer program, and system for intrinsic timescale decomposition, filtering, and automated analysis of signals of arbitrary origin or timescale including receiving an input signal into a processor, determining a baseline segm...  
WO/2005/032160A2
Interference reduction with a current-mode transversal filter having taps including binary current sources is provided. Each binary current source provides an output current having either of two distinct values, depending on a binary inp...  
WO2003059024A3
Circuit comprising a noise suppressing circuitry (40) having an input (42) for a first voltage (VDD) and an output (43) for providing a supply voltage (VDDfiltered). The circuit further comprises a MOSFET-based switch (41) with a MOSFET ...  
WO2004112295A3
A method for use by a receiver of a wireless communication system in providing information of use in adapting to changing characteristics of a communication channel (22) over which the receiver (23) receives a signal at an offset from a ...  
WO/2005/029693A1
A circuit for frequency translating a radio frequency signal comprises a plurality of mixer stages, each stage associated with a particular range of frequencies of a radio frequency signal. The circuit further comprises a switching circu...  
WO2005011262A3
When an off-hook key is pressed in the power-off state, a power control unit applies power to circuits including a radio communication unit. When a camera mode startup power on/off key (manner key in the phone mode) provided on the side ...  
WO2004082321A3
The present invention provides method and apparatus that improve processing of acoustic signals by reducing acoustic feedback in an acoustic system. An aspect of the invention is a multi-channel digital feedback reducer (DFR) system that...  
WO2004099935A3
A system is described for generating an analog signal representing displacement information in a hand-held computing device (100). In one embodiment, a hand-held computing device includes a housing (110) sized so that a user can hold the...  
WO/2005/025080A1
The invention relates to a mobile communication appliance comprising a printed circuit board and a display for displaying information, at least one transparent, electroconductive layer being arranged on and/or over the display.  
WO2004045085A3
A method and apparatus for performing signal-to-interference ratio (SIR) estimation in wireless communications, using a demodulator (505) output, such as a Rake output or a multi-user detection (MUD) receiver output. The demodulator (505...  
WO/2005/013410A2
Improved apparatus and methods for utilizing holographic waveforms for a variety of purposes including communication, ranging, an detection. In one exemplary embodiment, the holographic waveforms are transmitted over an RF bearer medium ...  
WO/2005/011262A2
When an off-hook key is pressed in the power-off state, a power control unit applies power to circuits including a radio communication unit. When a camera mode startup power on/off key (manner key in the phone mode) provided on the side ...  
WO/2005/004372A2
A sync-seeking system comprises a central server and a portable server that include control programs to maintain the equivalency of their stored data and to accumulate additional data from outside sources. The portable server establishes...  
WO/2004/112295A2
A method for use by a receiver of a wireless communication system in providing information of use in adapting to changing characteristics of a communication channel (22) over which the receiver (23) receives a signal at an offset from a ...  
WO/2004/107694A1
The present invention n relates to wireless networks using cooperative relaying which in a communication session involve more than one relay station. In the method according to the present invention, a transmitter 210', a receiver 220' a...  
WO2004084392A3
A DC-DC converter includes a variable frequency oscillator (36), a control system and a power train. The DC-DC converter is well suited for use in a cell phone. The control system uses the output of the oscillator to control the power tr...  
WO/2004/107613A1
Disclosed is a device for absorbing electrical noise on cables, comprising a housing that consists of two partial shells. A ferrite element which is provided with a groove is disposed in each partial shell. Flat tongues that are placed b...  
WO/2004/107612A2
An electrical device (10) comprising a signal source (12), a switched mode device (26, 62) and a sampling circuit (18), in which the sampling circuit is adapted to periodically sample an output (16) of the signal source during a time per...  
WO/2004/107693A1
The present invention relates to wireless networks using relaying. In the method according to the present invention of performing communication in a two-hop wireless communication network, a transmitter 210, a receiver 220 and at least o...  
WO/2004/107778A1
The present invention disclosed a method and an apparatus about accurate determining the first path in CDMA mobile communica,tion, comprise:a, calculating noise threshold of the first path determined based on the multi-path power delay f...  
WO/2004/099935A2
A system is described for generating an analog signal representing displacement information in a hand-held computing device (100). In one embodiment, a hand-held computing device includes a housing (110) sized so that a user can hold the...  
WO2004079933A3
A bondwire decoupling filter (300) for filtering RF noise from a transceiver bus (330) of a transceiver (303) connected a device (302) to be protected from RF noise. The filter includes an external capacitor (315) adapted to receive an o...  
WO2004054145A3
A cascadable AGC amplifier in a signal distribution system includes a low noise cascadable amplifier having a through path and a cascadable output. The cascadable amplifier is also configured to provide AGC over a predetermined input pow...  
WO2003067379A9
A method and system is disclosed for spreading the power associated with digital signals being transmitted in reducing electromagnetic (EMI) emissions in a bit stream. After being transmitted across a transmission line (169), a represent...  
WO/2004/093326A2
Base station transmitter signals are combined more effectively through the use of anti-phase pilots between pairs of transmission paths. At the combiner (118), the pilots will cancel when the amplitude, phase, and delay of the two transm...  
WO2003105386B1
A method and a device used for displaying wideband information to a user has a return channel made through a cellular mobile terminal (CMT) providing interactivity. The device (10) has a first antenna (12) and a second antenna (20), a re...  
WO2003067379A8
A method and system is disclosed for spreading the power associated with digital signals being transmitted in reducing electromagnetic (EMI) emissions in a bit stream. After being transmitted across a transmission line (169), a represent...  
WO/2004/089009A1
A method and system is disclosed for optimizing resource management in wireless communication systems (300) wherein resources in neighboring and serving cells (304) may be reassigned so that fragmentation may be reduced in serving cells....  
WO/2004/084392A2
A DC-DC converter includes a variable frequency oscillator (36), a control system and a power train. The DC-DC converter is well suited for use in a cell phone. The control system uses the output of the oscillator to control the power tr...  
WO2003105386A3
A method and a device used for displaying wideband information to a user has a return channel made through a cellular mobile terminal (CMT) providing interactivity. The device (10) has a first antenna (12) and a second antenna (20), a re...  
WO/2004/082321A2
The present invention provides method and apparatus that improve processing of acoustic signals by reducing acoustic feedback in an acoustic system. An aspect of the invention is a multi-channel digital feedback reducer (DFR) system that...  
WO/2004/079933A2
A bondwire decoupling filter (300) for filtering RF noise from a transceiver bus (330) of a transceiver (303) connected a device (302) to be protected from RF noise. The filter includes an external capacitor (315) adapted to receive an o...  
WO2004019500A3
A method, apparatus, and system for reducing audio signal noise in a communication system includes, biasing (214) an audio signal noise level beyond a transmission device (200) operating range to condition an audio signal intended to be ...  

Matches 851 - 900 out of 5,021