1
Gary L Sugar, Chandra Vaidyanathan, Yohannes Tesfai: System and method for antenna diversity using joint maximal ratio combining. Cognio, D Andrew Floam Esq, February 3, 2004: US06687492 (178 worldwide citation)

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 a transmit w ...


2
Neil R Diener, David S Kloper, Anthony T Collins: Server and multiple sensor system for monitoring activity in a shared radio frequency band. Cognio, Edell Shapiro & Finnan, February 27, 2007: US07184777 (149 worldwide citation)

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 frequency band is ...


3
Gary L Sugar, Robert M Masucci, David G Rahn: Multiple-input multiple-output radio transceiver. Cognio, D Andrew Floam Esq, April 27, 2004: US06728517 (141 worldwide citation)

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 provides, on a s ...


4
Gary L Sugar, William R Seed: Wideband multi-protocol wireless radio transceiver system. Cognio, D Andrew Floam, February 25, 2003: US06526264 (134 worldwide citation)

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 instances of ...


5
Gary L Sugar, Neil R Diener, Karl A Miller: System and method for signal classiciation of signals in a frequency band. Cognio, D Andrew Floam Esq, February 1, 2005: US06850735 (101 worldwide citation)

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 band. Data per ...


6
Gary L Sugar, Chandra Vaidyanathan: System and method for antenna diversity using equal power joint maximal ratio combining. Cognio, D Andrew Floam Esq, August 31, 2004: US06785520 (97 worldwide citation)

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 output power req ...


7
Gary L Sugar, Neil R Diener: Ad-hoc control protocol governing use of an unlicensed or shared radio frequency band. Cognio, D Andrew Floam, April 19, 2005: US06882851 (94 worldwide citation)

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 common signal ...


8
Gary L Sugar, Karl A Miller, Jong Sup Baek: System and method for real-time spectrum analysis in a communication device. Cognio, D Andrew Floam Esq, March 30, 2004: US06714605 (84 worldwide citation)

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 radio frequenc ...


9
Neil R Diener: Automated real-time site survey in a shared frequency band environment. Cognio, Edell Shapiro & Finnan, September 19, 2006: US07110756 (77 worldwide citation)

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 frequency band is ...


10
Yohannes Tesfai, Chandra Vaidyanathan, Gary L Sugar: System and method for joint maximal ratio combining using time-domain signal processing. Cognio, D Andrew Floam Esq, March 29, 2005: US06873651 (74 worldwide citation)

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 device from ...