Simultaneous communications jamming and enabling on a same frequency band
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United States of America Patent
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Apr 15, 2014
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N/A
app pub date -
Mar 10, 2011
filing date -
Jun 1, 2010
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Abstract
There is described the use of Digital Radio Frequency Memory (DRFM) modules to jam certain communication signals while allowing others to be received on a given frequency band. The DRFM modules exploit the multi-path phenomenon by using transmitted signals to cause full band destructive echoes and/or distortions. A set of receivers used in conjunction with the DRFM modules are aware of the exact multi-path induced by the DRFM modules and are therefore able to mitigate or even benefit from the effects of the destructive multi-path and maintain or improve communications.
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