1
Sheldon L Gilbert, Carolyn L Heide, Dennis L Director: Reservation-based polling protocol for a wireless data communications network. Spectrix Corporation, March 22, 1994: US05297144 (318 worldwide citation)

A wireless data communications network having a number of users communicating from individual remote stations to a central station over a single optical-infrared channel utilizing a two-stage noncontention-based multiple-access communications protocol. During the first stage of the reservation-based ...


2
Sheldon L Gilbert, Rami Hadar, Israel J Klein: Adaptive time division duplexing method and apparatus for dynamic bandwidth allocation within a wireless communication system. Ensemble Communications, Martin J Jaquez, Jaquez & Associates, January 18, 2000: US06016311 (269 worldwide citation)

An adaptive time division duplexing (ATDD) method and apparatus for duplexing transmissions on a communication link in wireless communication systems. Communication link efficiency is enhanced by dynamically adapting to the uplink and downlink bandwidth requirements of the communication channels. Ti ...


3
Steven H Gardner, Sheldon L Gilbert, Carl Thomas Hardin, James E Petranovich: Reverse channel reuse scheme in a time shared cellular communication system. Cirrus Logic, Stephen Shaw, Marty Jaquez, March 14, 2000: US06038455 (161 worldwide citation)

A time sharing method and apparatus for frequency reuse in cellular communication systems. Frequency reuse is enhanced by synchronizing cell transmit/receive base stations in a cellular system to a common time base, and then sharing the available frequencies via allocated time slots. Cells using the ...


4
Kenneth L Stanwood, James F Mollenauer, Israel Jay Klein, Sheldon L Gilbert: Method and apparatus for allocating bandwidth in a wireless communication system. Wi Lan, Procopio Cory Hargreaves & Savitch, Richard E Campbel, August 2, 2005: US06925068 (132 worldwide citation)

An adaptive time division duplexing (ATDD) method and apparatus for duplexing transmissions on a communication link in wireless communication systems. Communication link efficiency is enhanced by dynamically adapting to the uplink and downlink bandwidth requirements of the communication channels. Ti ...


5
Yair Bourlas, Kenneth L Stanwood, Brian Spinar, Sheldon L Gilbert: Adaptive call admission control for use in a wireless communication system. Wi LAN, Procopio Cory Hargreaves & Savitch, May 5, 2009: US07529204 (125 worldwide citation)

The invention relates to communication systems and to systems and methods for implementing adaptive call admission control (CAC) in such systems. Adaptive call admission control can determine what CPE to base station calls (connections) are allowed at any given time. CAC, coupled with precedence, ca ...


6
Bjorn E Bjerede, Joseph T Lipowski, Benny Madsen, Sheldon L Gilbert, James E Petranovich: Universal radio architecture for low-tier personal communication system. Rockwell Semiconductor Systems, Edward W Callan, July 15, 1997: US05648985 (100 worldwide citation)

An integrated circuit chip set is provided for use in a radio communication system in which a modulated digital input signal is processed for transmission and a modulated signal received from an antenna is processed to provide an output signal, wherein the modulation of the signals is either QPSK or ...


7
Sheldon L Gilbert, F Matthew Rhodes, Francis James Canova Jr: Frequency re-used and time-shared cellular communication system having multiple radio communication systems. Cirrus Logic, Steven Shaw, Blakely Sokoloff Taylor & Zafman, December 7, 1999: US05999818 (84 worldwide citation)

A method and apparatus for multiplexing time-shared base stations between a plurality of radio communication systems in a cellular communication system. Each radio communication system in the cellular system is assigned a limited unique set of frequencies for communication therein. Base stations in ...


8
Kenneth L Stanwood, James F Mollenauer, Israel Jay Klein, Sheldon L Gilbert: Method and apparatus for allocating bandwidth in a wireless communication system. Wilan, Procopio Cory Hargreaves & Savitch, Richard E Campbell, October 18, 2005: US06956834 (50 worldwide citation)

A method and apparatus for requesting and allocating bandwidth in a broadband wireless communication system. The inventive method and apparatus includes a combination of techniques that allow a plurality of CPEs to communicate their bandwidth request messages to respective base stations. One techniq ...


9
Steven H Gardner, Sheldon L Gilbert, Carl Thomas Hardin, James E Petranovich: Method and apparatus for frequency reuse in cellular communication systems. Cirrus Logic, Blakely Sokoloff Taylor & Zafman, February 13, 2001: US06188903 (48 worldwide citation)

A time sharing method and apparatus for frequency reuse in cellular communication systems. Frequency reuse is enhanced by synchronizing cell transmit/receive base stations in a cellular system to a common time base, and then sharing the available frequencies via allocated time slots. Cells using the ...


10
Pranesh Sinha, Sharon Akler, Yair Bourlas, Timothy Leo Gallagher, Sheldon L Gilbert, Stephen C Pollmann, Frederick W Price, Blaine C Readler, John Wiss, Ell Arviv: Synchronizing clocks across a communication link. Wi Lan, Procopio Cory Hargreaves & Savitch, Richard E Campbell, September 13, 2005: US06944188 (45 worldwide citation)

Apparatus, system and method for synchronizing one or more clocks across a communication link. A slave clock may be synchronized to a master clock by means of a synchronization signal sent from the master to the slave clock side of the link. The synchronization signal may be an expected signal patte ...