US Patent No: 6,104,721

Number of patents in Portfolio can not be more than 2000

DSP based dynamic resource allocation multiprocessor communications board

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Abstract

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DSP based dynamic resource allocation multiprocessor communications boards may be used in either a circuit-switched data system or a packet switched data system including a plurality of channels for transmitting bit streams including service data packets and corresponding call setup requests indicative of a required amount of digital signal processing for the corresponding service data packets. For use in the circuit-switched data system, a dual port memory pool is partitioned into a plurality of memory sections each partitioned into memory portions including an input portion and an output portion. Each memory portion is accessible via first port and a second port. A distributing function unit provides multiplexed/demultiplexed paths between the channels and the memory sections. A processing bank includes a plurality of digital signal processors selectively connectable in series via serial ports to selectively operate in a plurality of modes including pipeline modes. A resource controller is coupled to the distributing function unit and to the processing bank. The controller implements resource control functions for dynamically allocating resources of the processing bank based on the required amounts of digital signal processing indicated by the call setup requests. The controller provides control signals to the processing bank to select at least one processor for processing tasks related to each call setup request and to selectively enable the serial ports to selectively provide pipeline processing between the processors.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SYMMETRY COMMUNCATIONS SYSTEMSANTA CLARA, CA1

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hsu, Teng Tai Fremont, CA 2 62

Cited Art Landscape

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Patent Citation Ranking

Forward Cite Landscape

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