Method and apparatus for an OFDMA parallel architecture...

Details Method and apparatus for an OFDMA parallel architecture... Method and apparatus for an OFDMA parallel architecture...

2011-05-03

2011-05-03

Payne, David C (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S259000

Reexamination Certificate

active

07936836

ABSTRACT:
A method and apparatus for calculating an optimal sub-channel allocation of Orthogonal Frequency Division Multiple Access (OFDMA) from a first bipartite graph that may map users, to a second bipartite graph that may map additional users, including original users. A calculation of each bipartite graph may include a calculation of maximum weight paths and matchings. Using a bipartite graph method for OFDMA sub-channel allocation may improve the time and complexity when establishing an OFDMA wireless system.

REFERENCES:
patent: 7058002 (2006-06-01), Kumagai et al.
patent: 2006/0079240 (2006-04-01), Fitzek et al.
patent: 2007/0207810 (2007-09-01), Cho et al.
patent: 2008/0080465 (2008-04-01), Pajukoski et al.

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