DC offset cancel control method and transmitter/receiver

Details DC offset cancel control method and transmitter/receiver DC offset cancel control method and transmitter/receiver

2006-03-01

2010-02-16

Vo, Nguyen (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Noise or interference elimination

C455S343200, C455S114200

Reexamination Certificate

active

07664478

ABSTRACT:
Disclosed is a transmitter/receiver which performs transmitting and receiving operations based on CSMA/CA (Carrier Sense Multiple Access with Collision Avoidance) system. The transmitter/receiver includes a first unit, a second unit and a DC offset control unit. The first unit obtains a DC offset value generated in the transmitter/receiver and holds the obtained DC offset value. The second unit removes the held DC offset value from received data. The DC offset control unit causses the first unit to operate upon response to at least one of transmission completion and reception completion.

REFERENCES:
patent: 5657326 (1997-08-01), Burns et al.
patent: 6639909 (2003-10-01), Sakuma
patent: 6731687 (2004-05-01), Lueker
patent: 7187916 (2007-03-01), Mo et al.
patent: 2006/0098605 (2006-05-01), Li

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