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Patent Searching and Data


Matches 701 - 750 out of 5,021

Document Document Title
WO2007055676A8
A method and system for distance measurement in a low or zero intermediate frequency (IF) half-duplex communications loop provides a mechanism for measuring the distance between transceiver (10A) and transceiver (10B), comprising a phase...  
WO2005104778A8
A communication arrangement for a household appliance device. The arrangement include a first communication part including a transmitter (14) for transmitting a wireless signal, an a second communication part (16), remotely located from ...  
WO/2007/085998A1
The radio telecommunication terminal (2) comprises a data burst scheduler able to schedule the continuous transmission of consecutive data bursts which generate noise of similar energy on the radio-frequency channel as long as a specific...  
WO/2004/070997A3
To reduce the amount of signalling traffic used bv a plurality of mobile nodes (19) positioned in a vehicle (15), a mobile communication system (fig. 1 or 2) is provided with a vehicle proxy location register ( VPLR 17). The VPLR transmi...  
WO/2007/041065A3
A device and method for of synchronizing a MAC superframe of a wireless device is disclosed. The wireless device can be located within a chain of a plurality of other wireless devices. The method includes receiving beacons from at least ...  
WO/2007/080226A1
An interference suppression scheme is provided for a radio receiver. According to the provided interference suppression scheme, the bandwidth of a received pilot signal and a data signal is divided into a plurality of frequency sub-bands...  
WO/2007/079574A1
Ultra-Wideband communication signals are analyzed based on an overcomplete dictionary that includes sub-dictionaries associated with noise (such as additive white Gaussian noise), interference, impulses, or signal pulse positions. The co...  
WO/2006/073638A3
A mobile communication device (100) includes a camera module (102) which provides an image stream when the camera module is active. The image stream is used to display images on a display (114) to provide a viewfinder function so that a ...  
WO/2007/074411A2
A transmitter comprising a quadrature mixer circuit (14) having at least two inputs (20, 22) for receiving a local oscillation signal and an input signal having their highest power peaks in a power density spectrum located at frequencies...  
WO/2007/070445A2
A cellular communications system capable of detecting long code mask collisions in the reverse link on call setup or call handoff comprises means for assigning (120) a different carrier for the reverse link for one of the duplicate calls...  
WO/2007/070590A2
A multi-channel noise reduction system provides improved noise reduction with direct instrument tracking of all channels. In a two channel noise reduction system, both channels detect and track the input level and dynamic range of the gu...  
WO/2007/067284A2
The present invention discloses a method and system for signal communication in a multi-input multi-output network. The method creates beamformed channels (230, 232) by calculating one or more beamforming weighting vectors corresponding ...  
WO/2007/067869A2
A mobile communication device (100) uses a local wireless transceiver (108) to establish an asynchronous link (202) with a remote audio processor (110) which is typically operated in a low power mode and that maintains an association bet...  
WO/2007/013981A3
A system for canceling acoustic feedback includes an input for receiving a digital audio signal and a processor configured to detect acoustic feedback signal in the digital audio signal and to determine the frequency of the feedback sign...  
WO/2006/138621A3
Systems and methodologies are described that facilitate performing interference nulling and rank prediction in an access terminal. Multiple receiver demodulator types may be implemented at the access terminal, and an interference covaria...  
WO/2007/063184A1
The invention relates to a radio transmitter (100), including means (124) for up-converting an input signal by mixing the input signal with a local oscillation signal, means (128) for extracting an observation signal from the up-converte...  
WO/2007/055676A1
A method and system for distance measurement in a low or zero intermediate frequency (IF) half-duplex communications loop provides a mechanism for measuring the distance between transceiver (10A) and transceiver (10B), comprising a phase...  
WO/2007/055856A1
A system and method for performing topology control in a wireless network (100). The system and method operate to enable a node (102-1) to determine the link cost of a link between itself and another node (102-2), based on the number of ...  
WO/2005/120091A3
An access point (14) operates in an 802.11 wireless communication network (10) communicating with a client station (12), and includes a smart antenna (16) for generating directional antenna beams (20) and an omni-directional antenna beam...  
WO/2005/062920A3
A system for mitigating noise associated with information communication (140) includes means for determining when a first set of information is transmitted by a transmitter. The system includes a receiver (100) for receiving a second set...  
WO/2005/099141A3
A mote network having and/or using one or more directional antennas.  
WO/2007/041231A2
A first embodiment of the invention provides a method and apparatus for attenuating or amplifying voice or other signals present on a stereo audio recording that uses frequency domain techniques to calculate a time- and frequency-depende...  
WO/2007/041065A2
A device and method for of synchronizing a MAC superframe of a wireless device is disclosed. The wireless device can be located within a chain of a plurality of other wireless devices. The method includes receiving beacons from at least ...  
WO2006034497A8
A communications device for separating source signals provided by M signal sources includes an antenna array comprising N antenna elements for receiving at least N different summations of them source signals. A respective in-phase and qu...  
WO/2006/124341A3
A method for determining a path loss value of a signal transmitted from a wireless device to a receiver in a wireless communication system having at least one cell having at least one sector operating on at least one frequency channel. T...  
WO/2005/099037A3
Mote appropriate networks employing multiple frequencies, such as those utilized in frequency reuse techniques.  
WO/2007/034037A1
A method for operating a receiver and a device are provided. The device comprises a first and a second antenna, a receiver (202) operationally coupled to the first antenna (200) and a transceiver (212) operationally coupled to the second...  
WO/2007/030369A2
A low noise mixer comprises a first mixer core configured to receive a radio frequency (RF) input signal having an RF frequency, and a first local oscillator signal, wherein the first local oscillator signal is at a frequency that is nom...  
WO/2007/030600A2
A method of optimizing link transmission parameters between access nodes within a mesh network is disclosed. The method includes each access node within the mesh transmitting packets at N different combinations of data rates and power le...  
WO/2007/024805A2
A method of operating a wireless access point having a configurable antenna system includes determining a transmission signal quality metric for a first station with the configurable antenna system in a first configuration, determining a...  
WO/2006/012032A3
An advertising method for presenting an advertisement at a point of purchase includes transmitting advertising information from a server to a mobile telephone network; receiving the advertising information at the mobile telephone network...  
WO/2007/022631A1
The present invention provides methods and devices for mitigating inter-cell interference in communication environments having a plurality of cells. In some embodiments, a time-frequency transmission resource that includes multiple sub-c...  
WO/2007/022693A1
An E1 interface with electromagnetic compatibility circuit includes E1 interface chip (100), clampers (201,202,203,204), and over-voltage protectors (601,603), beads (301,302,303,304) for noise suppression, matching networks (401,403), a...  
WO/2005/076838A3
A methodology (and data analysis tool based thereon) for acquisition and analysis of signals in a GSM cellular wireless communication network as part of a network survey (e.g., drive test). Repetitive measurements of the time-of-arrival ...  
WO/2007/003055A3
This invention relates to an edge detecting filter (EDF) for recovering data carrying edges from a noisy received signal by dense over-sampling of the received signal and by detecting edge phases and edge amplitude limits wherein recover...  
WO/2005/089216A3
Disclosed herein area method, apparatus and computer program product to correlate service instance for a mobile station (MS), radio access network (RAN) and a packet data. serving node (PDSN) connection by exchanging identifiers between ...  
WO/2006/034497A3
A communications device for separating source signals provided by M signal sources includes an antenna array comprising N antenna elements for receiving at least N different summations of them source signals. A respective in-phase and qu...  
WO/2005/099102A3
Systems and related methods utilizing one or more mote-related content logs.  
WO/2005/101649A3
A system and method for direct current offset correction are disclosed. One embodiment of the system includes a direct current offset correction circuitry (240a, 240b) having an adjustable bandwidth and control logic (119) configured to ...  
WO/2007/018888A2
A receiver (1100) includes a direct digital frequency synthesizer (130), a mixer (105), and a clock source (1110, 1130). The direct digital frequency synthesizer has an input terminal for receiving a first clock signal at a first frequen...  
WO/2007/018864A2
Mechanisms for wireless local area network coverage enhancement using dynamic antennas are provided. The dynamic antennas may be used, for example, in an antenna apparatus of an access point. The access point maps a plurality of virtual ...  
WO/2007/013981A2
A system for canceling acoustic feedback includes an input for receiving a digital audio signal and a processor configured to detect acoustic feedback signal in the digital audio signal and to determine the frequency of the feedback sign...  
WO/2007/013900A2
Signals propagating on an aggressor communication channel can cause detrimental interference in a victim communication channel. A signal processing circuit (135)can generate an interference cancellation signal that, when applied to the v...  
WO/2007/009866A1
A communications device may include a receiver, a tunable clock signal generator, a digital camera, and a processor. The receiver may be configured to receive communications over an air interface using a plurality of frequency channels. ...  
WO/2007/008748A1
Techniques for reducing interference on radio frequencies due to processor frequencies which control a processor in wireless device are disclosed. A method for reducing interference on radio frequencies includes the steps of determining ...  
WO/2005/104778A3
A communication arrangement for a household appliance device. The arrangement include a first communication part including a transmitter (14) for transmitting a wireless signal, an a second communication part (16), remotely located from ...  
WO/2007/003055A2
This invention relates to an edge detecting filter (EDF) for recovering data carrying edges from a noisy received signal by dense over-sampling of the received signal and by detecting edge phases and edge amplitude limits wherein recover...  
WO/2007/002712A1
A communication apparatus includes a radio frequency (RF) circuit configured to operate on an RF signal. The communication apparatus also includes a digital processing circuit and a buffer circuit having a first portion and a second port...  
WO/2007/001254A1
Methods and apparatus are provided for modulating a data rate of a clock signal. A method of transmitting a binary signal is provided comprising the steps of generating (105) random bit periods for each of a first plurality of bits in th...  
WO/2007/002396A2
A method and system is provided for obtaining data indicative of at least one characteristic of a continuous medium or at least one localized target located within a predetermined volume of space. The system includes a sensor configurati...  

Matches 701 - 750 out of 5,021