OFDM signal acquisition

Details OFDM signal acquisition OFDM signal acquisition

2007-06-29

2010-11-02

Payne, David C (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C370S208000

Reexamination Certificate

active

07826544

ABSTRACT:
In general, in one aspect, the disclosure describes a method defining order and means in which physical parameters of a received OFDM signal may be detected. A fractional frequency offset is determined for the OFDM signal and is used to determine a coarse location for received signal preamble. A symbol boundary is determined based on the coarse location and the course location is used to determine preamble location. A preamble sequence and integer frequency offset is determined based on the preamble location.

REFERENCES:
patent: 2006/0078040 (2006-04-01), Sung et al.
patent: 2006/0239179 (2006-10-01), Berkeman et al.
patent: 2007/0280098 (2007-12-01), Bhatt et al.
patent: 2008/0137563 (2008-06-01), Wang

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