Combined OFDMA preamble index identification, integer...

Pulse or digital communications – Systems using alternating or pulsating current – Plural channels for transmission of a single pulse train

Reexamination Certificate

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C455S135000, C370S208000

Reexamination Certificate

active

07844007

ABSTRACT:
A wireless signal processor for use in identifying a maximum Carrier to Noise Interference Ratio (CINR) associated with a plurality of received OFDMA subcarriers has a candidate generator for forming a plurality of candidate values from a particular set of received subcarriers by forming candidate values based on the received subcarriers in combination with possible integer preamble offsets and possible preamble values. A candidate evaluator selects which of the possible preamble values and integer frequency offset values have the maximum CINR, and provides the maximum CINR with IFO and preamble index as outputs.

REFERENCES:
patent: 7613104 (2009-11-01), Bhatt et al.
patent: 2006/0153282 (2006-07-01), Jung et al.
patent: 2008/0039107 (2008-02-01), Ma et al.
patent: 2008/0232513 (2008-09-01), Wang et al.
patent: 2010/0008216 (2010-01-01), Li et al.

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