Electrical computers and digital processing systems: support – Digital data processing system initialization or configuration
Reissue Patent
2001-01-26
2008-09-09
Elamin, Abdelmoniem (Department: 2116)
Electrical computers and digital processing systems: support
Digital data processing system initialization or configuration
C710S056000, C710S057000, C710S260000
Reissue Patent
active
RE040497
ABSTRACT:
An apparatus for and method of implementing a novel buffer ba full duplex communication system is disclosed. The disclosed invention is particularly useful in native sign processing systems wherein heavy contention of processor resources typically exist, such as in systems running multi-tasking operating systems. The communication system of the present invention includes a receiver, transmitter, echo canceler. CODEC and telephone hybrid. The major components of the system operate on a buffer of input samples consisting of a set of input bits. The communications system operates to generate a buffer of output samples consisting of a set of output bits. The invention utilizes a novel buffer switching mechanism to optimize the tradeoff between processing response time, on one hand, and robustness to interrupt latency and processor implementation on the other hand. The internal processing of the modem works on a buffer full of samples once every time slice thus reducing the probability of a buffer underrun/overrun error occurring. The reduction in probability of data underrun/overrun is achieved by increasing the buffer size, thus giving the operating system greater leeway in choosing the exact time the signal processing functions are run. Small buffers, however, provide the communication system with short and accurate response time. These contradicting motives lead to the novel switchable size buffer scheme of the present invention. This is achieved without a loss of signal coherency.
REFERENCES:
patent: 4823312 (1989-04-01), Michael et al.
patent: 4841526 (1989-06-01), Wilson et al.
patent: 5077550 (1991-12-01), Cormier
patent: 5327428 (1994-07-01), Van As et al.
patent: 5425098 (1995-06-01), Kamiya
patent: 5440740 (1995-08-01), Chen et al.
patent: 5585803 (1996-12-01), Miura et al.
patent: 5864714 (1999-01-01), Tal et al.
patent: 37 05 176 (1988-09-01), None
patent: 0 340 613 (1989-11-01), None
patent: 0 577 115 (1994-01-01), None
patent: 0 657 824 (1995-06-01), None
patent: 6-6387 (1994-01-01), None
patent: 6-216970 (1994-08-01), None
patent: 6-326748 (1994-11-01), None
patent: 8-8977 (1996-01-01), None
Kenworthy, “Modems. (Optimizing modem data flow)(World-Class Tune-Up Tips: Hardware Heaven)”, CMP Publications Inc., Windows Magazine, v6,n7, pp. 150-152, Jun. 20, 1995.
Cohen Ron
Collin Zeev
Tal Nir
Elamin Abdelmoniem
Silicon Laboratories Inc.
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