METHOD FOR THE CONTINUOUS ESTIMATION OF THE EQUALIZER COEFFICIENTS FOR WIRE-BOUND TRANSMISSION SYSTEMS

WIPO Patent Application WO2003055117

A3

The invention relates to a data reception method, a data communication system (9), and to a receiver or transmitter/receiver device (14) that is adapted to receive modulated transmission signals (3, 4, 5) from a transmitter or an additional transmitter/receiver device (15) via a transmission channel (12). Synchronization data is transmitted by means of the transmission signals (3, 4, 5), which are used to synchronize the receiver device (14). The receiver or transmitter/receiver device (14) is provided with an equalizer (22) which equalizes the received or derived signals (3, 4, 5, Yk). The inventive method is further characterized in that the same transmission signals (3, 4, 5) with which the synchronization data is transmitted are used to adjust the equalizer (22).

AHRNDT THOMAS (DE)
KLINSKI ROBERT (DE)

PCT/DE2002/004518

September 01, 2005

December 09, 2002

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SIEMENS AG (DE)
AHRNDT THOMAS (DE)
KLINSKI ROBERT (DE)

H04L5/14; H04L25/03; (IPC1-7): H04L25/03; H04L5/14

US6252902B1	2001-06-26
EP0734132A2	1996-09-25

CZYLWIK A: "LOW OVERHEAD PILOT-AIDED SYNCHRONIZATION FOR SINGLE CARRIER MODULATION WITH FREQUENCY DOMAIN EQUALIZATION", IEEE GLOBECOM 1998, vol. 4, 8 November 1998 (1998-11-08) - 12 November 1998 (1998-11-12), IEEE, Piscataway, NJ, USA, pages 2068 - 2073, XP000894410, ISBN: 0-7803-4985-7
BAIER A ET AL: "Bit synchronization and timing sensitivity in adaptive Viterbi equalizers for narrowband-TDMA digital mobile radio systems", 38TH IEEE VEHICULAR TECHNOLOGY CONFERENCE, 15 June 1988 (1988-06-15) - 17 June 1988 (1988-06-17), IEEE, New York, NY, USA, pages 377 - 384, XP010077570

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