Reducing the impact of subcarrier quality evaluation

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United States of America Patent

PATENT NO 8923422
SERIAL NO

13563423

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Abstract

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In one embodiment, a device may select, based on an optimal tone map, a particular subcarrier for use when transmitting a data frame, the data frame to serve as a tone map request (TMREQ). The device may then populate one or more unused quality subcarriers of the TMREQ data frame other than the particular subcarrier with a well-known bit sequence, and transmits the TMREQ data frame to a receiving device to cause the receiving device to evaluate transmission quality of the one or more unused quality subcarriers based on the well-known bit sequence.

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Patent Owner(s)

  • CISCO TECHNOLOGY, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hong, Wei Berkeley, US 618 3803
Hui, Jonathan W Belmont, US 184 6210
Vasseur, Jean-Philippe Saint Martin d'Uriage, FR 781 20955

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