Pulse or digital communications – Transmitters
Reexamination Certificate
2006-05-09
2006-05-09
Burd, Kevin (Department: 2631)
Pulse or digital communications
Transmitters
C375S292000, C375S260000, C375S332000
Reexamination Certificate
active
07042957
ABSTRACT:
To transmit information with the aid of a transmit signal exhibiting a number of frequency-specific subcarriers from a first unit to a second unit via a transmission medium, the frequency-selective transmission characteristics of the transmission medium are determined in the first unit and then the subcarriers of the transmit signal are adapted to the transmission characteristics determined. All subcarriers of the transmit signal can be advantageously modulated with the same number of modulation levels as a result of which maximum utilization of the transmission resources of the transmission medium is achieved.
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Bell Boyd & Lloyd LLC
Burd Kevin
Siemens Aktiengesellschaft
Torres Juan Alberto
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