Method of indicating packet bandwidth in a wireless OFDM network with multiple overlapped frequency bands

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United States of America Patent

PATENT NO 9609092
SERIAL NO

15148216

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Abstract

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A wireless OFDM transceiver uses a method of utilizing subcarrier characteristics, such as phase and amplitude, to indicate the bandwidth of a transmitted packet. By using different subcarrier characteristics in the long training symbols of a packet at the transmitter, the packet is associated with different bandwidths. The different bandwidths are used in a wireless network where devices can communicate using different frequency bands that overlap one another and where one is wider than the other.

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Patent Owner(s)

  • APPLIED TRENSFORM, LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Joon Bae Lexington, US 54 265

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