Multiplex communications – Communication over free space – Combining or distributing information via frequency channels
Reexamination Certificate
2005-05-13
2008-10-21
Nguyen, Duc (Department: 2617)
Multiplex communications
Communication over free space
Combining or distributing information via frequency channels
C370S208000, C370S480000, C455S069000, C455S452200
Reexamination Certificate
active
07440437
ABSTRACT:
A downlink channel scheduling method and apparatus for obtaining optimal system performance in a downlink of a wireless communication system using an orthogonal frequency division multiplexing (OFDM) scheme are provided. Terminals compute a plurality of channel capacities and search for a channel with a maximum capacity. The terminals send, to a base station (BS), feedback information including a channel number and a capacity value of the channel with the maximum capacity. The BS performs a first channel allocation process for allocating a channel with an optimal capacity to each terminal on the basis of the feedback information. The BS performs a second channel allocation process for allocating an adjacent channel to a corresponding terminal using the window bit when the terminal is not allocated a channel in the first channel allocation process.
REFERENCES:
patent: 5752194 (1998-05-01), Lin et al.
patent: 5914933 (1999-06-01), Cimini et al.
patent: 6940827 (2005-09-01), Li et al.
patent: 2002/0021685 (2002-02-01), Sakusabe
patent: 2004/0176094 (2004-09-01), Kim et al.
patent: 2004/0228272 (2004-11-01), Hasegawa et al.
patent: 2005/0002461 (2005-01-01), Giannakis et al.
patent: 2007/0026813 (2007-02-01), Khan
Addy Anthony S
Nguyen Duc
Roylance Abrams Berdo & Goodman
Samsung Electronics Co,. Ltd.
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