Telecommunications – Receiver or analog modulated signal frequency converter – Local control of receiver operation
Reexamination Certificate
2009-03-24
2011-11-08
Nguyen, Long (Department: 2816)
Telecommunications
Receiver or analog modulated signal frequency converter
Local control of receiver operation
C455S067110, C455S226100
Reexamination Certificate
active
08055230
ABSTRACT:
A method and system for adapting low noise amplifier gain comprise determining a Bluetooth received signal strength indication of Bluetooth signals transmitted by a Bluetooth peer; determining a WLAN received signal strength indication of WLAN signals transmitted by a WLAN peer; comparing the Bluetooth received signal strength indication to a predetermined Bluetooth signal strength threshold to determine a Bluetooth peer distance of the Bluetooth peer; comparing the WLAN received signal strength indication to a predetermined WLAN signal strength threshold to determine a WLAN peer distance of the WLAN peer; and controlling a gain of a low noise amplifier to be applied to the Bluetooth signals and the WLAN signals based on the Bluetooth peer distance and the WLAN peer distance. In a further embodiment, the gain may be controlled by using a bypass signal to place the low noise amplifier into at least one of (a) a bypass mode in which the Bluetooth signals and the WLAN signals pass through the low noise amplifier without the gain being applied, and (b) a fixed gain mode in which the gain is applied to the Bluetooth signals and the WLAN signals. In another embodiment, the gain may be controlled by using the bypass signal to control an internal WLAN low noise amplifier and an internal Bluetooth low noise amplifier.
REFERENCES:
patent: 6873832 (2005-03-01), Shi
patent: 7242915 (2007-07-01), Shi
Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications, High-speed Physical Layer in the 5 GHz Band, IEEE, Std 802.11a-1999, pp. 1-93.
Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications, Amendment 2: Higher-speed Physical Layer (PHY) extension in the 2.4 GHz band—Corrigendum 1, IEEE, Std 802.11b-1999/Cor 1-2001, Nov. 7, 2001, pp. 1-23.
Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications, Further Higher Data Rate Extension in the 2.4 GHz Band, IEEE, P802.11g/D8.2, Apr. 2003, pp. 1-69.
Bidichandani Sameer
Chokshi Ronak Anjan
Marvell International Ltd.
Nguyen Long
LandOfFree
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