Method and device for transmitting data via a transmission link

Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...

Reexamination Certificate

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C370S480000, C455S067140

Reexamination Certificate

active

07864737

ABSTRACT:
The invention relates, inter alia, to a method in which, by reducing the spectral power density in an underfrequency range (UB) of a transmitting/receiving unit, the fact that the underfrequency range (UB) should not be used to send data is indirectly transmitted. This method is particularly suitable for xDSL processes.

REFERENCES:
patent: 5479447 (1995-12-01), Chow
patent: 5903608 (1999-05-01), Chun
patent: 6052380 (2000-04-01), Bell
patent: 6084917 (2000-07-01), Kao et al.
patent: 2003/0048835 (2003-03-01), Noma
patent: 2006/0133467 (2006-06-01), Clausen
patent: 2006/0256846 (2006-11-01), Oksman et al.
patent: 2007/0058704 (2007-03-01), Alford et al.
patent: 1489807 (2004-12-01), None
patent: 1489807 (2004-12-01), None
patent: WO 99/16224 (1999-04-01), None
patent: WO9916224 (1999-04-01), None
patent: WO 02/33925 (2002-04-01), None
patent: WO0233925 (2002-04-01), None
Chow, P.S. et al.: “A Practical Discrete Multitone Transceiver Loading Algorithm for Data Transmission Over Spectrally Shaped Channels”, IEEE Transactions on Communications, vol. 43, No. 2/4, part 2, Feb. 1, 1995, pp. 773-775, XP000502585, Piscataway, NJ, US, ISSN:0090-6778, Abstract.
Peter S. Chow, et al., “A Practical Discrete Multitone Transceiver Loading Algorithm for Data Transmission over Spectrally Shaped Channels”, 9089 IEEE Transactions on Communications 43(1995) Feb./Apr. Nos. 2/4 Pt. II New, York, US.
ITU-T G.994.1 Series G: Transmission Systems and Media, Digital Systems and Networks Digital sections and digital line system—Access networks Handshake procedures for digital subscriber line (DSL) transceivers, Feb. 2007.
ITU-T G.992.1, Series G: Transmission Systems and Media, Digital Systems and Networks Digital transmission systems—Digital sections and digital line system—Access networks Asymmetric digital subscriber line (ADSL) transceivers, Jun. 1999.
ETSI-TS 101 270-1 V1.3.1 (Jul. 2003) Transmission and Multiplexing (TM); Access transmission systems on metallic access cables; Very high speed Digital Subscriber Line (VDSL); Part 1: Functional requirements.
ETSI TS 101 270-2 V.1.2.1 (Jul. 2003) Transmission and Multiplexing (TM); Access transmission systems on metallic access cables; Very High Speed Digital Subscriber Line (VDSL); Part 2: Transceiver specification.

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