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Patent Searching and Data


Matches 751 - 800 out of 5,022

Document Document Title
WO2005067538A3
A spread spectrum method and apparatus for protecting and authenticating wirelessly transmitted digital information using numerous techniques. The apparatus may be a wireless code division multiple access (CDMA) communication system, a b...  
WO2006060358A3
A Radio Resource Management (RRM) module (620) is provided to capture network topology information associated with a wirele communication network This information is transmitted to a Smart Antenna (SA) module (610) collocated within a ne...  
WO/2006/136052A1
A pre-filtering SDMA transmitting and receiving method and system, and a filter thereof and its generating method, the SDMA transmitting system calculates the complete diagonalization pre-filter matrix composed of U sub-blocks satisfying...  
WO2006011144A3
A measuring system for measuring electrocardiogram signals comprises a diagnostic garment with ECG electrodes that may assume the form of a sleeve or glove. A disposable version of the glove can be inflated. By using an inflatable glove,...  
WO/2006/128948A1
This invention relates to wireless communication systems, specifically to methods for reducing interference. The invention allows a mobile station to determine if certain transmissions of the mobile station cause interference to receptio...  
WO/2006/127617A2
A method and system for interference reduction for telecommunication systems are disclosed. The system comprises a base station control device (BCD) for configuring one or more parameters for operating one or more base stations (BSs), a ...  
WO2006026045A3
A decorrelation method for improving feedback cancellation utilizes a small frequency shifting ratio, on the order of 0.3 percent. Frequency shifting is applied only to the high frequency portion of the signal, which is shifted alternate...  
WO/2006/120297A1
The invention is related to a computer program product encoding a computer program of instructions for executing a computer process for interference control, the process comprising: setting a first power constraint (202) for multi-antenn...  
WO/2006/121718A2
A system and a method for clearly obtaining heart sounds in the presence of noise, including, from a systemic point of view (a) a pair of close-proximity sound transducers applied to a pair of sites on the human body for gathering heart ...  
WO2005089427A3
An apparatus comprises a transmitter (100), a receiver (190), an antenna (180)and a signal cancellation circuit (300). The transmitter (100)is configured to send a transmitter signal associated with a frequency. The receiver is associate...  
WO/2006/118464A1
The present invention relates to detecting cell phone noise induced in telecommunication equipment, especially in microphones and other unshielded electronic units connected to a communication terminal. A noise detector is configured to ...  
WO/2006/115623A2
A method of power control in a 3G wireless communication system (100) incorporating fast forward power control, may include setting an initial base station transmit power boundary (402) and an initial signal-to-noise ratio boundary (502)...  
WO2005076970A3
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/2006/115864A2
In a wireless communication system, (e.g., a wireless local area network (WLAN)), including a plurality of wireless transmit/receive units (WTRUs) and a coordinating node, (e.g., an access point (AP)), path loss is estimated by transmitt...  
WO/2006/111080A1
A interference rejection single end signal transmission method, the output unit and input unit are included in the single end signal transmission. Signal output end of the output unit is connected with signal input end of the input unit....  
WO/2006/107406A2
The invention can utilize a switching power regulator and a non-switching power regulator in conjunction to provide regulated power to the digital logic. The digital logic and switching regulator may be deactivated during RF activity so ...  
WO2006085139A3
Techniques are disclosed for improving the interoperability of transmitters and receivers in a mobile station. Certain exemplary techniques involve performing filtering in a transmitter in response to a notification that a receiver is ab...  
WO/2006/108182A1
A wireless device that includes a Ultra High Frequency/Very High Frequency (UHF/VHF) based radio to cognitively search for and use vacant channels and multiple MIMO based radios siliconized with the UHF/VHF based radio.  
WO/2006/107624A2
A system and method whereby acoustic signals can be classified and identified as to nature and location of the original signal. The system and method determine from an arbitrary set of signals a signature or other characterizing feature ...  
WO/2006/105916A1
The invention relates to a method for changing a frequency of a first local oscillator (60) in a receiving system (10), which has a first receiver (12) with a first local oscillator (60) and with a first frequency setting element (66), a...  
WO/2006/104963A1
An embodiment of the present invention provides a method of spectrum use authorization, comprising using a certificated declaration of spectrum licensed by licensed users of said spectrum to authenticate said users. The certificated decl...  
WO2006049796A3
The present invention determines the resonant frequency of a sensor (120) by adjusting the phase and frequency of an energizing signal until the frequency of the energizing signal matches the resonant frequency of the sensor (120). The s...  
WO/2006/100147A1
The invention relates to a method for damping a high-frequency radiation of a clocked system consisting in determining an average maximum time value which is not exceedable by the power of the clocked system (21) high-frequency within a ...  
WO2005046255A3
A technique (fig. 2) for transmitting a spread spectrum signal is disclosed. The technique comprising generating a digital time-domain spread spectrum signal (100). Converting the time-domain signal to a frequency-domain signal via an FF...  
WO/2006/099283A2
Provided is a switched multiplexer configured to combine first, second, third and fourth signal paths each covenng a sub-octave in a frequency range of from about 2 to about 18 GHz and to remove transmitter harmonics of an input signal t...  
WO2006060499A3
Methods and systems are provided for reducing EMI by modifying digital signals using power spread signals to generate digital signals having reduced EMI.  
WO/2006/084378A1
A method of controlling RF Interference in a healthcare establishment. The method comprises receiving data regarding a wirelessly detectable tag associated to a first piece of equipment within the healthcare establishment; determining wh...  
WO2005084113A3
A method (and equipment) for providing additional error detection for at least some signaling bits (such as TFCI bits) in wireless communication between a sending device (20a) and a receiving device (20b) that both use some error detecti...  
WO2005119928A3
Multistage RF transmitter and receiver circuits may use independently variable RF and IF local oscillators, allowing the RF and IF local oscillator frequencies for a given RF channel to be selected to have a large common factor with resp...  
WO2006014238A3
A quadrature subharmonic mixer comprises a polyphase filter configured to generate quadrature components of a local oscillator (LO) reference signal, a summing and scaling element configured to create additional components of the (LO) re...  
WO2006055719A3
A transmission method and system are provided wherein the system and method use precoding and sum rate optimization beam forming to create a capacity transmission.  
WO2005048030A9
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...  
WO2005117308A3
A digital radio includes an identification number available only to the digital radio itself (301). A transmitted band received by the digital radio includes an identification number in an information channel (306). When the two identifi...  
WO/2006/073638A2
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/2006/071974A1
A communication apparatus including a radio frequency (RF) circuit coupled to a digital processing circuit and an interface circuit coupled to an authentication device. The RF circuit may be configured to operate on a radio frequency sig...  
WO/2006/064785A1
A high frequency receiver capable of stabilizing itself even upon variation of a transport signal inputted from a television antenna and canceling an interference caused by the transport signal. There are provided a phase shifter (212) f...  
WO2006039101A3
A method for maximizing intermodulation interference protection during a handoff between radio cell sites (300) includes scanning a plurality of radio channels (302) and measuring the signal power (307, 315) for at least one of the radio...  
WO/2006/065891A2
A radio communication system includes multiple antennas (204) and a processor (202) coupled to the multiple antennas (204). The processor (202) includes a probeless transmit/receive compensation component enabling the radio communication...  
WO/2006/063367A1
An energiser which includes an apparatus for generating a pulse train which includes a plurality of pairs of pulses at predetermined time intervals, each pair of pulses including a first pulse of a first amplitude and a first polarity an...  
WO/2006/060499A2
Methods and systems are provided for reducing EMI by modifying digital signals using power spread signals to generate digital signals having reduced EMI.  
WO/2006/055354A2
Systems, an apparatus, and methods are provided for mitigating noise associated with an audio signal. A system (100) for mitigating noise associated with an audio signal includes an estimator module (108). The estimator module determines...  
WO/2006/053951A1
A method for controlling a number of simultaneous radio connections in a communication device is presented. The control of a number of simultaneous radio connections is carried out in the communication device. Parameters of the radio con...  
WO2005084379A3
Receiver diversity in a wireless device is controlled in response to operating conditions, transmission requirements, and control settings. The control of diversity reduces power consumption by enabling receive diversity on given conditi...  
WO/2006/052448A2
A method and apparatus for adaptively biasing a channel quality indicator (CQI) used for setting a configuration of communication between a transmitter and a receiver in a wireless communication system. The receiver sends a CQI and posit...  
WO/2006/049796A2
The present invention determines the resonant frequency of a sensor (120) by adjusting the phase and frequency of an energizing signal until the frequency of the energizing signal matches the resonant frequency of the sensor (120). The s...  
WO2005119947A3
A method (300) of advising a user using a user interface can include tracking (302) of a number of times an event occurs during a given time, tracking (304) the time between user initiated events, generating (306) a pattern from the trac...  
WO2006037046A3
Disclosed are systems and methods of eliminating or reducing interference resulting from harmonics of local oscillator frequencies of mixers. In one embodiment, a determination is made as to a zone or zones in which harmonics result in u...  
WO2005112290A8
A transceiver capable of handling both UWB and narrowband calls includes a mechanism for detecting when a signal from one of the narrowband systems will interfere the UWB communication and switching the UWB data connection link to the al...  
WO/2006/039544A1
A method of operating a radio-frequency (RF) circuitry and a signal-processing circuitry in a mobile telephone apparatus includes at least partially disabling the signal-processing circuitry while transmitting or receiving signals. In on...  
WO/2006/037046A2
Disclosed are systems and methods of eliminating or reducing interference resulting from harmonics of local oscillator frequencies of mixers. In one embodiment, a determination is made as to a zone or zones in which harmonics result in u...  

Matches 751 - 800 out of 5,022