Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...
Reexamination Certificate
2007-04-24
2007-04-24
Ferguson, Keith (Department: 2617)
Multiplex communications
Communication over free space
Having a plurality of contiguous regions served by...
C370S328000, C370S208000, C370S340000, C370S341000, C370S203000, C370S430000, C455S450000, C455S452100, C455S452200, C455S509000, C455S511000, C455S515000, C375S220000
Reexamination Certificate
active
11214312
ABSTRACT:
A subcarrier assignment apparatus and a subcarrier assignment method, in which each of a plurality of Base Stations (BSs) constituting an Orthogonal Frequency Division Multiple Access (OFDMA) communication system provides services in the capacity of a serving BS to Mobile Stations (MSs). Channel quality information for the respective MSs are fed-back from the respective BSs. Subcarriers are assigned to the respective MSs according to a corresponding scheduling scheme in consideration of the channel quality information for the respective MSs, which are fed-back from the respective BSs, and then BSs which manage the subcarriers assigned to the respective MSs according to the corresponding scheduling scheme are selected. These operations provide site diversity to each of the MSs, and thus system capacity is maximized.
REFERENCES:
patent: 6377636 (2002-04-01), Paulraj et al.
patent: 7072315 (2006-07-01), Liu et al.
patent: 2004/0120289 (2004-06-01), Hamalainen et al.
Cho Young-Kwon
Fitzek Frank Hanns Paul
Hong Sung-Kwon
Kim Young-Kyun
Park Dong-Seek
Ferguson Keith
Samsung Electronics Co,. Ltd.
The Farrell Law Firm
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