Method for fractional frquency reuse with ordering scheme to...

Details Method for fractional frquency reuse with ordering scheme to... Method for fractional frquency reuse with ordering scheme to...

2011-08-30

2011-08-30

Vu, Thong (Department: 2471)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S252000

Reexamination Certificate

active

08009624

ABSTRACT:
Disclosed herein is a method for fractional frequency reuse with ordering scheme (FFRO) to increase capacity of orthogonal frequency division multiplexing (OFDM) systems while reducing interference due to the use of a common sub-channel set. Each cell includes a common sub-channel set assigned in common to all cells provided in a cluster and a dedicated sub-channel set assigned differently to all of the cells. The method includes classifying the cells into at least one type according to cluster sizes, and allocating the dedicated sub-channel set by frequency partitioning scheme based on the cell type.

REFERENCES:
patent: 6556830 (2003-04-01), Lenzo
patent: 7835319 (2010-11-01), Sugar
patent: 7970072 (2011-06-01), Oh et al.
patent: 2010/0097949 (2010-04-01), Ko et al.
patent: 2011/0116566 (2011-05-01), Takahashi et al.
patent: 10-2008-0015355 (2008-02-01), None

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