Adaptive packet detection for detecting packets in a...

Details Adaptive packet detection for detecting packets in a... Adaptive packet detection for detecting packets in a...

2005-02-22

2008-12-16

Shah, Chirag G (Department: 2619)

Multiplex communications

Duplex

Communication over free space

C370S465000

Reexamination Certificate

active

07466667

ABSTRACT:
In a packet detector, one or more tests are performed for packet detection according to packet detection parameters associated with the one or more tests, a rate of false detection is measured, and the packet detection parameters are adjusted accordingly to reduce the rate of false detection. The rate of false detection might be determined by analyzing post-detection and processing of a signal deemed to be a signal representing a packet for a failure of decoding indicative of a false detection. Such analysis might include testing for a failed SFD search, training symbol anomalies, poor conditioning of metrics used to determine frequency offset and OFDM timing, incorrect data fields, or the like.

REFERENCES:
patent: 6473467 (2002-10-01), Wallace et al.
patent: 2001/0033603 (2001-10-01), Olaker
patent: 2004/0032825 (2004-02-01), Halford et al.
patent: 2004/0190560 (2004-09-01), Maltsev et al.
patent: 648 032 (1995-04-01), None
Halls, G. A., “Hiperlan—The 20 MBIT/S Radio Lan,”IEE Colloquim on Radio LANs and MANs . . ., pp. 1-8 (1995).

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