Power detection techniques and discrete gain state selection...

Details Power detection techniques and discrete gain state selection... Power detection techniques and discrete gain state selection...

2002-04-26

2010-10-05

Bayard, Emmanuel (Department: 2611)

Pulse or digital communications

Receivers

Automatic baseline or threshold adjustment

C375S345000

Reexamination Certificate

active

07809087

ABSTRACT:
A wireless communication device may include a receiver coupled to a modem. The receiver may receive a wireless packet according to a wireless networking protocol such as a protocol in the IEEE 802.11 family of wireless protocols. Upon receiving a packet, the receiver may processes the packet according to a selected one of a plurality of discrete gain states. The modem coupled to the receiver may select the gain state used to process the packet such as by sending one or more signals to the receiver to reduce the gain state after determining that the current gain state is too large. The modem may implement a plurality of power detection modules in order to detect signals at varying power levels. The implementation of a plurality of power detectors may allow the gain state selection process to be performed very quickly as required by some wireless networking protocols.

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