Architecture for coexistence of multiple band radios
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United States of America Patent
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Mar 11, 2014
Issued Date -
N/A
app pub date -
Apr 13, 2011
filing date -
Jul 8, 2010
priority date (Note) -
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Abstract
A front end module for use with a first and a second radio frequency transceiver, constituted of: a control circuitry; a first antenna connection port; a second antenna connection port; a filter arranged to substantially attenuate the carrier frequency bandwidth of the second radio frequency transceiver; and a plurality of electronically controlled switches, wherein the control circuitry is arranged to: in the event that the first and second radio frequency transceivers are simultaneously operative, set the plurality of electronically controlled switches to connect the first radio frequency transceiver to one of the first and second antenna connection ports via the filter; and in the event that the first and second radio frequency transceivers are not simultaneously operative, set the plurality of electronically controlled switches to bypass the filter and connect the first radio frequency transceiver to one of the first and second antenna connection ports.
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