Saturday, June 27, 2009

OFDMA Patent Landscape 2Q 2009

OFDMA (Orthogonal Frequency-Division Multiple Access), which is a multiple access version of the well known OFDM (Orthogonal Frequency-Division Multiplexing) modulation, is the most important technology in current and emerging wireless communications.

Analysis for the top 25 assignees in US patents issued before May 1, 2009 shows that AT&T is the leader followed by Matsushita Electric, Qualcomm, Samsung Electronics, Intel, and Motorola.

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