Multiplex communications – Diagnostic testing – Determination of communication parameters
Reexamination Certificate
2005-11-01
2005-11-01
Pham, Chi (Department: 2667)
Multiplex communications
Diagnostic testing
Determination of communication parameters
C370S352000, C375S222000
Reexamination Certificate
active
06961314
ABSTRACT:
A number of features for enhancing the performance of a cable transmission system in which data is transmitted between a cable modem termination system at a headend and a plurality of cable modems located different distances from the headend. The power transmission level, slot timing, and equalization of the cable modems are set by a ranging process. Data is transmitted by the modems in fragmented form. Various measures are taken to make transmission from the cable modems robust. The upstream data transmission is controlled to permit multiple access from the cable modems.
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Chen Feng
Denney Lisa V.
Jones Christopher R.
Lu Fang
Min Jonathan S.
Boakye Alexander O.
Broadcom Corporation
Pham Chi
Sterne Kessler Goldstein & Fox PLLC
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