Legacy and new wireless communication device coexisting...

Multiplex communications – Communication over free space – Combining or distributing information via frequency channels

Reexamination Certificate

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Reexamination Certificate

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08054817

ABSTRACT:
The embodiments generate a new type of amble sequence for a wireless communication network with mixed nodes, by generating a first amble sequence invisible to a first node based upon an existing amble sequence for the first node and generating a second amble sequence having a low to zero cross-correlation with the first amble sequence, based upon the first amble sequence. The first and second amble sequences can be broadcast in alternating communication link frames.

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Japanese Office Action issued May 31, 2011 in related Japanese Patent Application No. 2009-525681 (5 pages).

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