Automatic gain control and low power start-of-packet...

Details Automatic gain control and low power start-of-packet... Automatic gain control and low power start-of-packet...

2006-12-19

2006-12-19

Pham, Chi (Department: 2616)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S328000, C370S335000, C455S067110, C455S067130

Reexamination Certificate

active

07151759

ABSTRACT:
A digital AGC system for burst operation, particularly suited for receiving packets in a wireless local area network. One embodiment includes a log detector that provides a signal strength measure, called the received signal strength indication (RSSI) over a wide dynamic range. The AGC system includes estimating the power in a received signal by averaging the log of the signal power. The Start of Packet detection avoids using the radio receiver's main analog to digital converters to preserve power.

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