WLAN header detection in analog radio front end

Details WLAN header detection in analog radio front end WLAN header detection in analog radio front end

2007-11-13

2007-11-13

Nguyen, Tony T. (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Short range rf communication

C455S426100, C455S518000, C455S550100, C370S315000

Reexamination Certificate

active

10816682

ABSTRACT:
A header detection technique for WLAN (Wireless Local Area Network) receivers is provided. The WLAN receiver comprises a signal processing unit that has analog circuitry and digital circuitry. There is further provided a header detection circuit for detecting a header in a received signal. The header detection circuit is comprised in the analog circuitry. In an embodiment, digital circuitry may be woken up based on a header detect signal that is generated by the header detection circuit. The embodiments may reduce the power consumption of the receiver, and the false detection rate.

REFERENCES:
patent: 5802101 (1998-09-01), Maruyama
patent: 6031833 (2000-02-01), Fickes et al.
patent: 6069887 (2000-05-01), Geiger et al.

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