Distributed pilot multicarrier signal designed to limit interference affecting said pilots
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United States of America Patent
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-
Sep 18, 2007
Grant Date -
Apr 1, 2004
app pub date -
Sep 20, 2001
filing date -
Sep 20, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A multicarrier signal, which includes a temporal succession of symbols formed by a set of data elements, each of said data elements modulating a carrier frequency of the signal. The data elements include reference elements called pilots, whereof the value in transmission is known to at least one receiver designed to receive the signal and informative data elements, whereof the value in transmission is not known a priori to the at least one receiver. One of the caffier frequencies is modulated, at a given time, by one of the data elements, being called a carrier. At least one constraint is imposed on the value of at least one of the informative data elements, so as to reduce, in reception, at least one term of interference affecting at least one of the pilots.
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