Apparatus and method for transmitting/receiving data...

Telecommunications – Transmitter – Plural modulation

Reexamination Certificate

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Details

C455S103000, C455S272000, C455S273000, C455S277200, C370S204000, C370S465000, C370S543000, C714S757000, C714S780000, C714S810000, C375S264000, C375S240270

Reexamination Certificate

active

07016658

ABSTRACT:
Disclosed is a method for providing first and second interleaved bit streams to a modulator in order to transmit the first and second interleaved bit streams through at least two antennas in a mobile communication system. An encoder encodes a transmission data stream into a first bit stream with first priority and a second bit stream with second priority being lower than the first priority. An interleaver interleaves the first and second bit streams into the first and second interleaved bit streams. The modulator modulates the first and second interleaved bit streams. The method comprises distributing the first interleaved bit stream into first assignment bit streams for the respective antennas and the second interleaved bit stream into second assignment bit streams for the respective antennas according to power condition information of the respective antennas; and generating combination bit streams by combining the first assignment bit streams and the second assignment bit streams, distributed according to the respective antennas, and providing the generated combination bit streams to the modulator.

REFERENCES:
patent: 5691995 (1997-11-01), Ikeda et al.
patent: 6317462 (2001-11-01), Boyce
patent: 6473393 (2002-10-01), Ariyavisitakul et al.
patent: 6662024 (2003-12-01), Walton et al.
patent: 6826233 (2004-11-01), Oosawa
patent: 6925131 (2005-08-01), Balakrishnan et al.
patent: 2 391 905 (2002-03-01), None
S. Antipolis, “Enhanced Symbol Mapping method for the modulation of Turbo-coded bits based on bit priority”, 3GPP TSG RAN WG1/Wg2 Joint Meeting on HSDPA, Apr. 5-6, 2001.

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