Apparatus and method for transmitting data using transmit...

Multiplex communications – Communication techniques for information carried in plural... – Adaptive

Reexamination Certificate

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C343S853000, C455S069000

Reexamination Certificate

active

07573900

ABSTRACT:
An apparatus and method for transmitting packet data through at least two transmit antennas in a packet data communication system using transmit antenna diversity. In the packet transmitting apparatus, a feedback information interpreter interprets feedback information including CQIs and antenna weights received from a plurality of UEs requesting a packet data service. A weight generator classifies the antenna weights and selects UEs having orthogonal weights. A transmitter applies the selected weights to packet data destined for the selected UEs and transmits the packet data to the selected UEs simultaneously.

REFERENCES:
patent: 4780721 (1988-10-01), Dobson
patent: 6396457 (2002-05-01), Gatherer et al.
patent: 6584302 (2003-06-01), Hottinen et al.
patent: 2003/0073410 (2003-04-01), Hottinen et al.
patent: WO 02/33850 (2002-04-01), None
patent: WO 02/51031 (2002-06-01), None

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