Apparatus and method for controlling transmission antenna...

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

Reexamination Certificate

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C455S442000

Reexamination Certificate

active

10680809

ABSTRACT:
An apparatus and method for controlling transmission antenna arrays for a high-speed physical downlink shared channel (HS-PDSCH), which coexists with a dedicated physical channel (DPCH), from a first base station to a mobile station, for taking into consideration a soft handover between the mobile station and the first through K-th base stations are provided. The method comprises obtaining a first partial weight by equally considering channel characteristics of the first through K-th base stations, obtaining a second partial weight by emphasizing a channel characteristic of the first base station more than channel characteristics of the second through K-th base stations, and transmitting one of the first and second partial weights to the first through the K-th base stations as feedback information according to whether high-speed packet data is transmitted to the mobile station.

REFERENCES:
patent: 6952455 (2005-10-01), Banister
patent: 2002/0131381 (2002-09-01), Kim et al.
patent: 2003/0148738 (2003-08-01), Das et al.
patent: 2005/0037718 (2005-02-01), Kim et al.
patent: 1 204 219 (2002-05-01), None
patent: 2002-247629 (2002-08-01), None
patent: WO 02/41524 (2002-05-01), None
European Search Report dated Feb. 2, 2004 issued in a counterpart application, namely, Appln. No. 03256324.9.
Universal Mobile Telecommunications System (UMTS); Physical Layer Procedures (FDD), 1999.

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