Telecommunications – Transmitter and receiver at separate stations – Distortion – noise – or other interference prevention,...
Reexamination Certificate
2007-08-27
2010-12-07
Milord, Marceau (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Distortion, noise, or other interference prevention,...
C455S067110, C455S067130, C455S069000, C455S562100, C455S412100, C455S277100, C370S335000, C370S445000, C375S267000, C375S325000, C375S346000, C375S348000
Reexamination Certificate
active
07848706
ABSTRACT:
A receiver includes a receiving unit for scanning a dedicated signaling channel for the presence of an announcement signal. The announcement signal indicates a transmitter willing to access a transmission medium. The receiving unit is further operative to receive a data signal from a further transmitter on a dedicated traffic channel. Furthermore, the receiver includes an interference estimator for estimating, whether an interference caused by a new transmitter is allowable or not. A processor is provided for applying an interference counter-measure, when the interference is not allowable. A transmitter can, without any limitation, transmit the announcement signal. The transmitter will start transmitting, when it receives a ready-to-receive signal from the addressed receiver and when it does not receive an objection tone from another receiver in the network.
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International Search Report mailed Oct. 7, 2005.
International Preliminary Examination Report mailed Feb. 9, 2007.
Bauch Gerhard
Bettstetter Christian
Hartmann Christian
Kusume Katsutoshi
Vilzmann Robert
Milord Marceau
NTT DoCoMo Inc.
Nutter & McClennen & Fish LLP
Penny, Jr. John J.
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