1
Charles R Hill, Fryderyk Tyra, Samuel O Akiwumi Assani: Real-time tracing of dynamic local data in high level languages in the presence of process context switches. North American Philips Corporation, Anne E Barschall, June 30, 1992: US05127103 (97 worldwide citation)

An improved real-time debugger accommodates high level language computer programs containing dynamic local data and process context switches. Information thus acquired is used to deduce the stack frame pointer. Inputs and outputs of a target processor are tapped to capture key instructions, particul ...


2
John M Cotton, Nicholas Necula, Bidyut Parruck, Fryderyk Tyra, Alex T Wissink, Enrique Abreu: Distributed clocking system. IPC Information Systems, Morgan & Finnegan, February 9, 1999: US05870441 (27 worldwide citation)

A clocking mechanism with improved fault tolerance for synchronizing a distributed processing system includes a plurality of distributed clock sources. Each clock source may operate as a master clock for synchronizing the operations of the entire system or as a slave to an external clock while remai ...


3
John M Cotton, Nicholas Necula, Bidyut Parruck, Fryderyk Tyra, Alex T Wissink, Enrique Abreu: Distributed clocking system. IPC Information Systems, Morgan & Finnegan, November 19, 1996: US05577075 (23 worldwide citation)

A clocking mechanism with improved fault tolerance for synchronizing a distributed processing system includes a plurality of distributed clock sources. Each clock source may operate as a master clock for synchronizing the operations of the entire system or as a slave to an external clock while remai ...


4
James Nolan, Leonid Kazakevich, Fryderyk Tyra, Robert Regis, Fred Schreider: Communication transmission impairment emulator. InterDigital Technology Corporation, Volpe and Koenig P C, March 14, 2006: US07013257 (16 worldwide citation)

A communication system emulator digitally emulates a plurality of signal impairments created by the transmitter and receiver components and communication medium in a typical communication system, for use in evaluating and refining modem design. A variety of linear and non-linear distortion character ...


5
Fryderyk Tyra, Louis J Guccione: Power measurement of received CDMA signals using soft threshold preprocessing after correlation. InterDigital Technology Corporation, Volpe and Koenig P C, December 11, 2007: US07307975 (5 worldwide citation)

A received power of a code division multiple access (CDMA) signal is determined. Samples of a spectrum associated with the received CDMA signal are taken as received samples, which are then correlated with a code of the CDMA signal. For correlated samples below a first threshold, those correlated sa ...


6
John W Haim, Fryderyk Tyra, Louis J Guccione, Timothy A Axness, Donald M Grieco: Enhanced automatic gain control mechanism for time-slotted data transmissions. InterDigital Technology Corporation, Volpe and Koenig P C, March 23, 2010: US07684524 (1 worldwide citation)

An automatic gain control (AGC) method according to the present invention applies an initial gain by a digital AGC circuit in a timeslot is determined using a final calculated gain from the same timeslot in the previous frame together with an offset factor. An erase function is activated for a given ...


7
John W Haim, Fryderyk Tyra, Louis J Guccione, Timothy A Axness, Donald M Grieco: Enhanced automatic gain control mechanism for time-slotted data transmissions. InterDigital Technology Corporation, Volpe And Koenig PC, Dept Icc, December 2, 2004: US20040242172-A1

An automatic gain control (AGC) method according to the present invention applies an initial gain by a digital AGC circuit in a timeslot is determined using a final calculated gain from the same timeslot in the previous frame together with an offset factor. An erase function is activated for a given ...


8
Fryderyk Tyra, Louis J Guccione: Power measurement of received CDMA signals using soft threshold preprocessing after correlation. InterDigital Technology Corporation, Volpe And Koenig PC, Dept Icc, February 5, 2004: US20040022228-A1

A received power of a code division multiple access (CDMA) signal is determined. Samples of a spectrum associated with the received CDMA signal are taken as received samples, which are then correlated with a code of the CDMA signal. For correlated samples below a first threshold, those correlated sa ...


9
Gerard Klahn, Fryderyk Tyra, John W Haim, Tanbir Haque: Method and apparatus for adaptively selecting sampling frequency for analog-to-digital conversion. InterDigital Technology Corporation, Volpe And Koenig PC, Dept Icc, March 2, 2006: US20060045126-A1

The present invention is related to a method and apparatus for adaptively selecting local oscillator (LO) and sampling frequencies for analog-to-digital conversion of a plurality of input signals for transmitting two or more services via two or more frequency bands. Each input signal carries a diffe ...


10
Fryderyk Tyra, Louis J Guccione: Power measurement of received CDMA signals using soft threshold preprocessing after correlation. InterDigital Technology Corporation, Volpe And Koenig PC, Dept Icc, March 20, 2008: US20080069270-A1

A receiver for generating a soft threshold value for use in measuring the power of a received signal includes a correlator, an automatic gain controller, a noise level measuring device, and a soft threshold device. The correlator is configured to receive the signal as an input and to produce a corre ...