Bluetooth and WLAN coexistence architecture having a shared low noise amplifier
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United States of America Patent
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Dec 8, 2015
Grant Date -
Aug 14, 2014
app pub date -
Apr 17, 2014
filing date -
Mar 18, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A radio frequency front-end includes a first path, second path, and third path each coupled between an antenna and a transceiver. The first path is configured to convey WLAN signals from the transceiver to the antenna for transmission. The second path is configured to convey received Bluetooth signals and received WLAN signals from the antenna to the transceiver. The third path is configured to convey Bluetooth signals from the transceiver to the antenna for transmission when a WLAN link is active and not in a power save state, and is configured to convey received Bluetooth signals from the antenna to the transceiver, and Bluetooth signals from the transceiver to the antenna for transmission, when the WLAN link is either inactive or in the power save state.
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