1
Timothy M Schmidl, Donald C Cox: Timing and frequency synchronization of OFDM signals. Stanford University, Lumen Intellectual Property Services, March 24, 1998: US05732113 (356 worldwide citation)

A method and apparatus achieves rapid timing synchronization, carrier frequency synchronization, and sampling rate synchronization of a receiver to an orthogonal frequency division multiplexed (OFDM) signal. The method uses two OFDM training symbols to obtain full synchronization in less than two da ...


2
Donald C Cox: Time division adaptive retransmission technique for portable radio telephones. AT&T Bell Laboratories, Erwin W Pfeifle, April 23, 1985: US04513412 (137 worldwide citation)

The present invention relates to a portable transceiver and a remote terminal station each using at least two antennas with different polarization transmission capabilities for an adaptive retransmission technique. In the present adaptive retransmission technique, the terminal station transmits the ...


3
Bora A Akyol, Donald C Cox: Dynamic resource allocation and media access control for a wireless ATM network. The Board of Trustees of the Leland Stanford Junior University, Lumen Intellectual Property Services, May 17, 2005: US06895248 (73 worldwide citation)

A resource allocation method for use in a wireless ATM network comprises receiving on a wireless signaling channel a request for access to a shared frequency-time sliced wireless medium. A channel matrix is then searched for a set of available frequency-time slots. The channel matrix represents a ti ...


4
Donald C Cox, Mehdi F Soltan, Thomas H Lee: High-efficiency high-power amplifier. The Board of Trustees of the Leland Stanford Junior University, Parsons Hsue & De Runtz, June 24, 2003: US06583679 (72 worldwide citation)

An inexpensive method and means for generating high power envelope-modulated radio frequency signals is disclosed. Embodiments provide EER amplification and separate modulation of information encoded as phase angle and as amplitude. An envelope modulated signal generation apparatus comprising a sour ...


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Ravi Narasimhan, Donald C Cox: Method for handoff in wireless communication systems using pattern recognition. The Board of Trustees of the Leland Stamford Junior University, Lumen IPS, May 29, 2001: US06240291 (30 worldwide citation)

A handoff technique for wireless communication systems uses pattern recognition of signal strength data to anticipate handoffs and reduce the total number of handoffs in the system. A criterion for system performance is used in determining the necessity for handoff. A window of signal samples from n ...


7
Tsung En Andy Lee, Donald C Cox: Computation using codes for controlling configurable computational circuit. Leland Stanford Junior University, Crawford PLLC, October 3, 2000: US06128724 (27 worldwide citation)

A micro-computer is arranged to execute instructions for data intensive applications, such as those used in mobile communications. One particular embodiment involves processing instructions into computational codes and data management codes. These two parts are coded separately and issued to two dif ...


8
Donald C Cox, Adel A M Saleh: Dynamic class-4 FET amplifier. AT&T Bell Laboratories, Wendy W Koba, July 24, 1984: US04462004 (14 worldwide citation)

The present invention relates to a linear, class A FET amplifier circuit capable of providing linear amplifier of input signals with a time-varying envelope function. An envelope detector (12) is responsive to an input signal (v.sub.i (t)) for extracting the envelope signal (V.sub.i (t)) therefrom. ...


9
Donald C Cox: Rapid phase correcting carrier recovery circuit. Bell Communications Research, James W Falk, Stephen M Gurey, March 7, 1989: US04811424 (9 worldwide citation)

In a circuit that detects from a received RF signal the digital signal modulated on the IF carrier signal by recovering the unmodulated IF carrier signal and comparing the recovered IF carrier with the downconverted RF signal, improvements are presented which minimize errors due to rapid and large p ...


10
Donald C Cox, Thomas G McGiffen: Performance prediction in communication systems. The Board of Trustees of the Leland Stanford Junior University, Mintz Levin Cohn Ferris Glovsky and Popeo P C, April 7, 2015: US09001923

Methods and apparatus, including computer program products, are provided performance prediction. In one aspect there is provided a method. The method may include receiving information including one or more of a set of weights, a set of events, and a channel estimate, wherein at least one of the set ...