Method of and apparatus for implementing adaptive downstream...

Details Method of and apparatus for implementing adaptive downstream... Method of and apparatus for implementing adaptive downstream...

2005-05-24

2005-05-24

Trinh, Sonny (Department: 2687)

Telecommunications

Transmitter and receiver at separate stations

With control signal

C455S068000, C455S067110, C455S552100, C455S553100, C370S389000, C370S351000, C370S465000, C370S464000

Reexamination Certificate

active

06898418

ABSTRACT:
Available quadrature amplitude modulation (“QAM”) carriers transmittable by a base station to customer sites are substantially equally divided among the sites according to the expected quality of reception. ARQ transmissions from the sites are monitored as a measure of the quality of signals received by the sites. If the quality of received signals is unacceptable, the affected site is re-assigned to a higher quality QAM. In addition, if the quality of received signals is too high, the affected site is re-assigned to a lower quality QAM.

REFERENCES:
patent: 6542517 (2003-04-01), Giacalone
patent: 6542718 (2003-04-01), Kuo et al.
patent: 6549759 (2003-04-01), Arviv et al.
patent: 6564067 (2003-05-01), Agin
patent: 6690655 (2004-02-01), Miner et al.
patent: 6700879 (2004-03-01), Taylor
patent: 6836484 (2004-12-01), Suzuki
patent: 20030002495 (2003-01-01), Shahar at al.

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