Method and system for managing communication in an OFDMA system

Details Method and system for managing communication in an OFDMA system Method and system for managing communication in an OFDMA system

2007-05-29

2010-06-29

Harper, Kevin C (Department: 2462)

Multiplex communications

Communication over free space

Combining or distributing information via frequency channels

C370S480000

Reexamination Certificate

active

07746839

ABSTRACT:
The present invention provides method and system for managing communication in an orthogonal frequency division multiple access (OFDMA) system using segments in an OFDMA frame. The method includes setting at least a first segment in the OFDMA frame as a high power segment for a plurality of base station in the OFDMA system. Further, communication is established between at least one base station and at least one communication device in the OFDMA system, in response to setting the at least first segment as a high power segment. The method further includes assigning a region of the first segment to a set of base stations in the OFDMA system. The assigned region can be used by the set of base stations at high power level to communicate with communication devices located in overlapping areas. A method for coordinating uplink transmission in the OFDMA system for reducing uplink interference is also provided.

REFERENCES:
patent: 2003/0119517 (2003-06-01), Dhainaut
patent: 2005/0074030 (2005-04-01), Cho et al.
patent: 2006/0018347 (2006-01-01), Agrawal
patent: 2007/0253367 (2007-11-01), Dang et al.

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