Combined OFDMA preamble index identification, integer...

Multiplex communications – Generalized orthogonal or special mathematical techniques

Reexamination Certificate

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C370S318000, C455S134000

Reexamination Certificate

active

08077591

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: 2009/0323512 (2009-12-01), Murali et al.
patent: 2010/0008216 (2010-01-01), Li et al.

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