Multiplex communications – Communication techniques for information carried in plural... – Combined time division and frequency division
Reexamination Certificate
2005-10-11
2005-10-11
Vanderpuye, Kenneth (Department: 2661)
Multiplex communications
Communication techniques for information carried in plural...
Combined time division and frequency division
C370S330000
Reexamination Certificate
active
06954470
ABSTRACT:
A system and method for wireless communication between a plurality of subscriber units and a base station, the base station communicating information signals from an originating source to a destination subscriber unit over a channel at an assigned one of a plurality of frequencies using repetitive time frames, each said time frame comprising a sequence of time slots. The channel is defined as having the same one or more time slots from the sequence of time slots in one or more of the time frames. The base station includes a central processing unit capable of assigning a duration of time for the information signals being sent to the destination subscriber unit. The duration equals the duration of one or more time slots in the same frame. The central processing unit maintains a memory of which time slots of each time frame have been assigned and provides the time slot assignment, and therefore channel assignment, by consulting said memory. The system includes a multiplexer for multiplexing the information signals onto the assigned channel; and a transmitter for transmitting the information signals to the destination subscriber unit using the assigned channel.
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Avis Graham M.
Handzel Mark J.
Morley Steven Allan
Paneth Eric
InterDigital Technology Corporation
Vanderpuye Kenneth
Volpe and Koenig P.C.
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