Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2006-07-11
2010-02-16
Ferguson, Keith T (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S069000, C455S127100, C455S500000, C455S517000, C455S466000, C375S219000, C375S220000, C375S222000, C375S260000, C375S341000, C379S027010
Reexamination Certificate
active
07664522
ABSTRACT:
A device for adjusting a transmit power spectrum of a subscriber device of a communication network, having a means for receiving an attenuation measure for an attenuation, which a signal experiences on its way from a transmit/receive means to the subscriber device of the communication network connected to the transmit/receive means, from the subscriber device, a means for determining a modified attenuation measure and shaping coefficients for a frequency-dependent shaping of the transmit power spectrum based on the attenuation measure determined by and received from the subscriber device, and a means for transferring the modified attenuation measure and the shaping coefficients to the subscriber device.
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patent: 6922448 (2005-07-01), Jacobsen et al.
patent: 7072449 (2006-07-01), Tomilson
patent: 2002/0163974 (2002-11-01), Friedman
patent: 2005/0220178 (2005-10-01), Ginis
patent: 2006/0039550 (2006-02-01), Chadha et al.
patent: 2006/0062288 (2006-03-01), Hester
patent: WO 03/098862 (2003-11-01), None
ITU-T Recommendation G.993.1, “Very high speed digital subscriber line”, Jun. 2004, pp. 12, 117, 210-211 (4 pages).
ITU-T Recommendation G.993.2, “Very high speed digital subscriber line 2”, Feb. 2006, pp. 36-37, 49-50, 149-170, 247 (27 pages).
ITU-T Recommendation G.997.1, “Physical layer management for digital subscriber line (DSL) transceivers”, May 2003, pp. 39, 42, 60, 101-103 (6 pages).
T1E1.Apr. 2003- 210R1, “Very-high-bit-rate Digital Subscriber Line (VDSL) Metallic Interface”, ANSI T1.424, 2004, pp. 18-19, 130 (3 pages).
TS 101 270-1 V2.0.10, “Transmission and Multiplexing (TM); Access transmission systems on metallic access cables; Very high speed Digital Subscriber Line (VDSL); Part 1: Functional requirements”, May 2003, pp. 28-29, 46, (3 pages).
Heise Bernd
Stolle Reinhard
Ferguson Keith T
Infineon - Technologies AG
Maginot Moore & Beck
LandOfFree
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