Modem data transfer function wherein code is downloaded...

Details Modem data transfer function wherein code is downloaded... Modem data transfer function wherein code is downloaded...

2006-11-28

2006-11-28

Peyton, Tammara (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output process timing

C375S222000, C709S229000, C709S233000

Reexamination Certificate

active

07143212

ABSTRACT:
A modem architecture and a method of reducing on-chip memory requirements in a downloadable modem architecture are provided. The preferred architecture consists of a Digital Signal Processor (DSP) (6) with on-chip Random Access Memory (RAM) (12). A procedure which exploits inactivity intervals in a modem modulation function is provided. The procedure dynamically downloads the requisite code segments for each phase of the function from a cheaper, slower external memory (14) into the DSP on-chip RAM during inactivity intervals, thereby reducing the DSP on-chip RAM requirements.

REFERENCES:
patent: 6570911 (2003-05-01), O'Mahony
patent: 0 772 370 (1997-05-01), None
Ho, W. et al., “An Approach to Genuine Dynamic Linking,”Software Practice&Experience, 21(4)375-390, Oct. 19, 1990.

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