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WO/2008/144049A1 |
A method of signal processing includes receiving a distorted signal comprising a distorted component and an undistorted component, the distorted component being at least in part attributed to an exogenous signal, and performing lineariza...
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WO/2008/140931A1 |
A communication device (100) includes: (1) a wireless adapter (145) at which a wireless headset (150) is communicatively connected to the communication device and at which is received a first acoustic input that includes a speech input a...
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WO/2008/135908A1 |
A tuner is disclosed which overcomes a problem related to leakage currents within a tuner associated with increased miniaturisation. The tuner includes an oscillator and a cover. The cover includes a barrier region, typically in the form...
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WO/2008/137231A1 |
Methods and systems for a cab signal system are provided. The system includes at least one inductive pickup coil assembly, and a cab signal receiver electrically coupled to the at least one inductive pickup coil assembly. The receiver is...
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WO/2008/127165A1 |
Method and arrangements for scheduling transmission resources in a first node in a cell comprised within a wireless communication network. The first node is arranged to communicate over a communication channel with at least one user equi...
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WO/2008/122103A1 |
Methods and apparatuses for detecting signals in a MIMO communication system include receiving symbols coded into pairs using a space-time code. Estimating a channel matrix that identifies the response between multiple transmit and recei...
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WO/2008/119960A1 |
A method of recovering data in a line signal which is predicted to be subjected to repetitive noise impulses, the line signal comprising a series of data frames, the method comprising the steps of: predicting a group comprising one or mo...
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WO/2008/121225A1 |
A fast accurate multi-channel frequency dependent scheme for analyzing noise in a signal processing system is described herein. Noise is decomposed within each channel into frequency bands and sub-band noise is propagated. To avoid the c...
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WO/2008/116153A1 |
A transmit signal second-order inter-modulation (IM2) canceller for a portable handset using a full duplex mode of operation (e.g., WCDMA) is used to controllably reduce IM2 introduced by a transmit signal that appears in a received sign...
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WO/2008/114370A1 |
When high frequency communication carrier current is used in communication with much information, radio wave is radiated from the transmission line to possibly cause a trouble in other electric apparatus or a damage to the health. When t...
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WO/2008/107511A1 |
In a digital broadband broadcast transmitter, digital data is time interleaved for transmission, and the time interleaved digital data is transmitted in a digital broadband broadcast transmission towards a plurality of receivers. A cellu...
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WO/2008/109329A1 |
A bi-directional interface circuit includes a transmitter portion, a receiver portion, a current source bias circuit, and a switch. When the interface circuit is transmitting data, the switch steers the bias current generated by the curr...
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WO/2008/103773A1 |
Embodiments of cognitive radio technology can recover and utilize under-utilized portions of statically-allocated radio-frequency spectrum. A plurality of sensing methods can be employed. Transmission power control can be responsive to a...
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WO/2008/103771A1 |
Embodiments of cognitive radio technology can recover and utilize under-utilized portions of statically-allocated radio-frequency spectrum. A plurality of sensing methods can be employed. Transmission power control can be responsive to a...
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WO/2008/103468A1 |
Embodiments of cognitive radio technology can recover and utilize under-utilized portions of statically-allocated radio-frequency spectrum. A plurality of sensing methods can be employed. Transmission power control can be responsive to a...
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WO/2008/094082A1 |
The present invention relates to an arrangement (10) for monitoring noise on a twisted pair cable adapted to transfer data comprising DSL signals with a given data symbol rate. It comprises or is adapted to communicate with spectrum dete...
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WO/2008/091420A2 |
Performance of a radio device is optimized by estimating if the device is inside a building. One or more sensors on the radio device are use to measure an environmental quantities relating to the environment of the radio device. The like...
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WO/2008/088255A1 |
The invention discloses a method (800) for use in a cellular wireless system (100) with a base station (120), a cell (110) in the system and a first user terminal (130) which can be scheduled for receiving traffic from the base station d...
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WO/2008/085968A1 |
A method for automated calibration of an avalanche photodiode receiver includes measuring two values of avalanche photodiode biases at two successive times, measuring and comparing a bit error rate corresponding to each value. When the b...
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WO/2008/083207A2 |
A wireless handheld device includes one or more antennas and a connector configured to couple with one or more external accessories. The handheld device further includes an accessory detector coupled to the connector and configured to de...
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WO/2008/073768A1 |
A system (100) and method (200) for dynamic frequency synthesizer programming is provided The method can include identifying (202) a first operating frequency (120) of a first oscillator (250), identifying a second operating frequency (1...
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WO/2008/064492A1 |
Disclosed is a behavioral model for wide-band radio frequency transmitters. Also disclosed are various implementation of the behavioral model for purpose of baseband predistortion of dynamic nonlinear systems, such as wideband wireless t...
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WO/2008/066128A1 |
In order to provide a wireless communication apparatus that reduces noise and maintains its receiving sensitivity, a stub (5) with a base end (51) electrically connected with a ground- coupling portion (7) adjacent to an RF circuit (4) a...
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WO/2008/064262A2 |
In accordance with one aspect of the disclosure, apparatus are provided. A filter is provided to receive from an antenna a receive signal of a given type and a low noise amplifier is provided to amplify the received signal. A translator ...
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WO/2008/056870A2 |
A system and a method of controlling an RF transceiver are provided. The system includes a key input unit (10) for detecting a key selection, a memory unit (20) storing control data required for operating the RF transceiver and a code ta...
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WO/2008/058059A2 |
The disclosure is directed to a receiver. The receiver includes an interference canceller configured to filter digital samples produced from a modulated signal transmitted over a wireless channel, and a digital variable gain amplifier (D...
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WO/2008/057728A2 |
Systems and methodologies are described that facilitate mitigating ringing effects of a voltage-controlled oscillator upon turning on a transmitter. A receiver generates at least one frequency offset estimate subsequent to an antecedent ...
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WO/2008/056870A1 |
A system and a method of controlling an RF transceiver are provided. The system includes a key input unit (10) for detecting a key selection, a memory unit (20) storing control data required for operating the RF transceiver and a code ta...
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WO/2008/057714A1 |
A zone controller is configured to send a first channel grant signal to a base site to assign a call to a first communication channel and then subsequently send a second channel grant signal to the base site upon determining that the cal...
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WO/2008/045983A2 |
A microphone microchip for a voice communication device. The microchip receives and processes an audio signal from a microphone. The microchip incorporates an RF filter that substantially attenuates noise signals at RF frequencies, while...
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WO/2008/045803A2 |
An apparatus, a cognitive radio, a processor, a method, and a machine-readable medium for detecting a presence of a signal in a communication channel are disclosed. An apparatus includes a processor configured to select one or more peak ...
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WO/2008/039381A2 |
A technique includes providing a plurality of local oscillator signals such that each of the local oscillator signals has a different phase. The technique includes providing scaling units to scale the input signal pursuant to different s...
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WO/2008/036756A2 |
Techniques are described for automatically determining quasi-static per-link channel assignments for each radio in multiple-hop mesh networks having nodes with two or more radios and where only a small number of channels is available for...
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WO/2008/033641A2 |
The small array microphone apparatus comprises first and second omni- directional microphones, a microphone calibration unit and a directional microphone forming unit. The first and second omni-directional microphones respectively conver...
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WO/2008/022449A1 |
A wireless communication method and system using virtual MIMO ("V-MIMO") are provided. Post processing signal to interference and noise ratios ("SINR") for a plurality of signals corresponding to a plurality of mobile terminals arranged ...
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WO/2008/023803A1 |
A communication device includes: a communication (COM) which performs operation control of a function accompanied by electromagnetic wave transmission or reception by an antenna; a touch sensor module (TSM) which has an oscillation circu...
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WO/2008/015948A1 |
A noise canceller configured to remove surrounding noise from a desirable sound collected by a first microphone, the noise canceller includes a second microphone arranged in a place separated from the first microphone and configured to c...
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WO/2008/003135A1 |
A system and technique for feedback cancellation. An off-line feedback estimation filter is adaptive in response to an error signal. An on-line feedback cancellation filter produces a feedback cancellation signal. The on-line feedback ca...
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WO/2008/005072A1 |
A technique for modifying communication operational parameters using fast, low complexity, accurately calculated SNR values. Techniques may improve upon prior art by calculating SNR values in a more color noise insensitive manner in the ...
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WO/2008/003040A2 |
One embodiment of the present invention relates to a noise containment and vibration isolation system (100) for integrated audio/video electrical components. The system includes a housing (170), an inlet (122, 124), an outlet (140), an e...
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WO/2008/000655A2 |
A method for avoiding interference in a radio transmission system (12) with at least one carrier frequency (fC) is disclosed, based on a pulse width modulated signal (SPWM). The method is characterised in that a clock frequency (fT) for ...
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WO2007115104A9 |
A method of detecting a cardiac event in a medical device that includes sensing cardiac signals from a plurality of electrodes forming a first sensing vector and a second sensing vector, determining inflections of the sensed cardiac sign...
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WO/2007/140346A2 |
Based on an expected error rate for a wireless transmission, the length of the transmission may be limited so that the probability of an error in one or more particular data segments is no greater than a predetermined threshold value. Th...
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WO/2007/128243A1 |
A base station of realizing self-adaptive group network, wireless access system and method of self-adaptive group network are disclosed, the system consists of interconnected wireless access controllers and base station, the said base st...
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WO/2007/118513A1 |
A spectrum spreader may include a signal conductor and a tunable filter. The signal conductor may be configured to receive a clock signal having a clock signal frequency. The tunable filter may be coupled to the signal conductor wherein ...
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WO/2007/115404A1 |
A circuit for communicating information in a wireless network includes a filtering circuit in communication with a zero intermediate frequency (ZIF) transceiver circuit. The filtering circuit includes a first mixer in communication with ...
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WO/2007/112585A1 |
A receiver and associated method estimates a channel impulse response of the communications signal. A communications signal is received as a burst of transmitted symbols, including a known training sequence. The joint estimation of timin...
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WO/2007/104131A1 |
An improved receiver architecture and method for a wireless transceiver (e.g. for a headphone) is provided whereby the receiver, advantageously, enables the use of only one synthesizer circuit for both the RF-to-IF and IF-to-base band co...
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WO/2007/106621A2 |
This invention provides a method for improved frequency agility and preferably includes transmitting and receiving data on a primary channel; finding a secondary channel substantially free from interference during a period between data t...
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WO/2007/102684A1 |
An apparatus and method for canceling an interference signal of a mobile communication repeater are provided. In a mobile communication system employing a wideband CDMA scheme, when a downlink received signal transmitted from a base stat...
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