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Cognio, Inc. Patents
Assignee:
Cognio, Inc.
Address:
Germantown, MD
No. of patents:
30
Patents:












Patent Number Title Of Patent Date Issued
7317419 Self-calibrated path loss position estimation and zone of impact determination January 8, 2008
A device and method are provided for estimating a position of a target device (e.g., a device emitting radio frequency energy) based on data pertaining to strength of an emission received from the target device. At a mobile device, emissions are received from the target device when the
7292656 Signal pulse detection scheme for use in real-time spectrum analysis November 6, 2007
A spectrum analysis engine (SAGE) that comprises a spectrum analyzer component, a signal detector component, a universal signal synchronizer component and a snapshot buffer component. The spectrum analyzer component generates data representing a real-time spectrogram of a bandwidth o
7269151 System and method for spectrum management of a shared frequency band September 11, 2007
A system and method for managing the spectrum utilization of a frequency band that is shared, both in frequency and time, by multiple devices. At one or more devices operating in the frequency band, pulses associated with signals occurring in the frequency band are detected by sampling
7254191 System and method for real-time spectrum analysis in a radio device August 7, 2007
A real-time spectrum analysis engine (SAGE) that comprises a spectrum analyzer component, a signal detector component, a universal signal synchronizer component and a snapshot buffer component. The spectrum analyzer component generates data representing a real-time spectrogram of a b
7236128 System and method for locating radio emitters using self-calibrated path loss computation June 26, 2007
Techniques for reducing the complexity and improving the accuracy of receive signal strength based location systems. The system comprises a plurality of radio sensor devices placed at known positions within a space in which devices are to be located. According to one technique, the p
7224752 System and method for real-time spectrum analysis in a communication device May 29, 2007
A spectrum analysis engine (SAGE) that comprises a spectrum analyzer component, a signal detector component, a universal signal synchronizer component and a snapshot buffer component. The spectrum analyzer component generates data representing a real-time spectrogram of a bandwidth o
7190733 Memoryless spectrum correction algorithm for non-ideal I/Q demodulators March 13, 2007
An algorithm for correcting the output of an analog I/Q demodulator without the need for calibration or storing state information. The output of the analog I/Q demodulator is digitized, and the discrete-time samples are divided into segments. A digital frequency transform (e.g., a Di
7184777 Server and multiple sensor system for monitoring activity in a shared radio frequency band February 27, 2007
An intelligent spectrum management (ISM) system and method are provided that includes sophisticated features to detect, classify, and locate sources of RF activity. The system comprises one or more sensors positioned at various locations in a region where activity in a shared radio f
7171161 System and method for classifying signals using timing templates, power templates and other tech January 30, 2007
A system and method for classifying signals occurring in a frequency band. One or more characteristics of one or more signals in the frequency band are detected using any suitable technology, such as a device that can generate characteristics of signal pulses detected in the frequency ba
7142108 System and method for monitoring and enforcing a restricted wireless zone November 28, 2006
Monitoring for unauthorized RF energy emitted or transmitted in a particular zone or portion of a building, etc. Radio frequency energy is received in a region that encompasses a zone in which it is desired to monitor for unauthorized radio frequency energy. At least one characterist
7116943 System and method for classifying signals occuring in a frequency band October 3, 2006
A system and method for classifying signals occurring in a frequency band. One or more characteristics of one or more signals in the frequency band are detected using any suitable technology, such as a device that can generate characteristics of signal pulses detected in the frequency ba
7110756 Automated real-time site survey in a shared frequency band environment September 19, 2006
An intelligent spectrum management (ISM) system and method that includes sophisticated features to detect, classify, and locate sources of RF activity. The system comprises one or more radio sensor devices positioned at various locations in a region where activity in a shared radio f
7079812 Systems and methods for interference mitigation with respect to periodic interferers in short-ra July 18, 2006
Several techniques are provided for use by wireless devices to avoid interference with signals that are of a periodic or quasi-periodic nature that may operate in the same frequency band and proximity. In some cases, the periodic signals are detected and their timing is determined so as
7050452 Systems and methods for interference mitigation among multiple WLAN protocols May 23, 2006
Interference mitigation or collision avoidance systems and procedures to allow different wireless local area network (WLAN) communication protocols to co-exist in the same frequency band, such as an unlicensed frequency band used for short-range wireless communications. The procedure
7035593 Signal classification methods for scanning receiver and other applications April 25, 2006
Signal classification techniques for classifying signals occurring in a frequency band using a plurality of classifier procedures each dedicated to identify a particular signal or signal type. The classification procedures operate on spectrum activity data that may include pulse event
7031669 Techniques for correcting for phase and amplitude offsets in a MIMO radio device April 18, 2006
Techniques to correct for phase and amplitude mismatches in a radio device in order to maintain channel symmetry when communicating with another device using MIMO radio communication techniques. Correction for the amplitude and phase mismatches among the plurality of transmitters and
7020451 Wideband multi-protocol wireless radio transceiver system March 28, 2006
A wideband radio transceiver system that features a wideband RF section and a flexible and scalable baseband signal processing section. The transceiver system architecture has configurable baseband processing to process signals for multiple communication protocol standards, or multip
7006838 System and method for locating sources of unknown wireless radio signals February 28, 2006
A system and method for determining the location of a source (target device) of a wireless radio signal of an unknown or arbitrary type for which a signal correlator is not known or available. The target device's signal is received at a plurality of known locations to generate receive
6941110 Mitigating interference with frequency hopping signals by deriving future hop frequencies September 6, 2005
Techniques to avoid interference with a frequency hopping signal that are of a periodic or quasi-periodic nature that may operate in the same frequency band and proximity with other devices. For example, the frequency hopping signals may be transmitted by Bluetooth devices operating
6882851 Ad-hoc control protocol governing use of an unlicensed or shared radio frequency band April 19, 2005
Systems and methods to enable different types of radio communication devices to communicate using a common language in order to enable the devices to regulate their use of the spectrum. Each device participating in the ad hoc control channel (ACC) protocol transmits information using a
6873651 System and method for joint maximal ratio combining using time-domain signal processing March 29, 2005
A spatial signal processing system and method are provided to optimize the received signal-to-noise ratio (SNR) at a first radio communication device based on the transmit filter at another radio communication device. Using an estimate of the channel derived from a signal received at one
6871049 Improving the efficiency of power amplifiers in devices using transmit beamforming March 22, 2005
Systems and methods for optimizing the efficiency of each of a plurality of power amplifiers that amplify a corresponding one of a plurality of radio frequency signals for transmission by a corresponding one of a plurality of antennas. Using transmit beamforming, the power of each amplif
6862456 Systems and methods for improving range for multicast wireless communication March 1, 2005
Methods to optimize range of multicast signal communication in wireless communication applications that use range-enhanced techniques for directed signal communication. A multicast signal may be sent multiple times through each of a plurality of independent omnidirectional transmit a
6850735 System and method for signal classiciation of signals in a frequency band February 1, 2005
A system and method for classifying signals occurring in a frequency band. One or more characteristics of one or more signals in the frequency band are detected using any suitable technology, such as a device that can generate characteristics of signal pulses detected in the frequency ba
6785520 System and method for antenna diversity using equal power joint maximal ratio combining August 31, 2004
An equal gain composite beamforming technique which constrains that the power of the signal output by each antenna is the same, and is equal to the total power of the transmit signal divided by the number N of transmit antennas from which the signal is to be transmitted. By reducing outp
6728517 Multiple-input multiple-output radio transceiver April 27, 2004
A MIMO radio transceiver to support processing of multiple signals for simultaneous transmission via corresponding ones of a plurality of antennas and to support receive processing of multiple signals detected by corresponding ones of the plurality of antennas. The radio transceiver
6714605 System and method for real-time spectrum analysis in a communication device March 30, 2004
A spectrum analysis engine (SAGE) that comprises a spectrum analyzer component, a signal detector component, a universal signal synchronizer component and a snapshot buffer component. The spectrum analyzer component generates data representing a real-time spectrogram of a bandwidth of
6700450 Voltage-controlled oscillator with an automatic amplitude control circuit March 2, 2004
A VCO having an automatic amplitude control circuit In the form of a sensing amplifier provided in the feedback loop to sense the oscillator amplitude and draw current away only when the positive peak voltage Is above a certain value. In general, any amplifier may be used in the feed
6687492 System and method for antenna diversity using joint maximal ratio combining February 3, 2004
A composite beamforming technique is provided wherein a first communication device has a plurality of antennas and the second communication has a plurality of antennas. When the first communication device transmits to the second communication device, the transmit signal is multiplied by
6526264 Wideband multi-protocol wireless radio transceiver system February 25, 2003
A wideband radio transceiver system that features a wideband RF section and a flexible and scalable baseband signal processing section. The transceiver system architecture has configurable baseband processing to process signals for multiple communication protocol standards, or multiple

 
 
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