Wireless receiving apparatus and wireless receiving method

Details Wireless receiving apparatus and wireless receiving method Wireless receiving apparatus and wireless receiving method

2007-10-16

2010-10-05

Kim, Kevin Y (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

C375S345000

Reexamination Certificate

active

07809095

ABSTRACT:
According to an aspect of the invention, there is provided a wireless receiving apparatus including: antennas; antenna branches each capable of receiving a wireless signal; a demodulating unit demodulating a reception signal; an antenna selecting unit selecting a packet waiting antenna; a packet detecting unit detecting a packet; a power supply control unit stopping power to a packet non-waiting antenna branch except for the antenna branch connected to a packet waiting antenna until the packet is detected and supplying power to the antenna branches after the packet is detected; a calculating unit calculating a gain value of VGA unit based upon the reception signal via the packet waiting antenna; and a control unit controlling a gain of the VGA unit based upon the calculated gain value after the packet non-waiting antenna branch is initiated when power to the antenna branches is supplied.

REFERENCES:
patent: 6700865 (2004-03-01), Yamamoto et al.
patent: 7251503 (2007-07-01), Shirakata et al.
patent: 2004/0235421 (2004-11-01), Matsuoka et al.
patent: 2005/0163081 (2005-07-01), Aoki et al.
patent: 2005/0208897 (2005-09-01), Lyons et al.
patent: 2006/0007891 (2006-01-01), Aoki et al.
patent: 2007/0109170 (2007-05-01), Mori et al.
patent: 2008/0051046 (2008-02-01), Ruckriem
patent: 2000-224086 (2000-08-01), None

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