Distribution of modem error correction and compression processing
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United States of America Patent
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Sep 3, 2002
Issued Date -
N/A
app pub date -
May 3, 2000
filing date -
May 21, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for distributing the data error correction and compression processing load between a modem (DCE) and a host data terminal equipment (DTE) enables modem implementation with minimal cost, power dissipation, and size. The DTE has a CPU and an associated memory. The memory contains a data transmission program for execution by the CPU to produce output data for transmitting, and at least a data compression algorithm and a data error checking algorithm for execution by the CPU under control of the data transmission program to asynchronously deliver data according to the data transmission program to a modem for synchronous transmission. The modem included in the DCE asynchronously received the data from the DTE and synchronously transmits it as output data. Due to the distribution of the data processing algorithms into the memory of the DTE, the DCE can be operated simultaneously in communication and control modes. Moreover, the modem can be controlled during data transmission or reception in response to a
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