Method for masking communication signals, enodeb with masking functionality and aircraft
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United States of America Patent
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Mar 20, 2018
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N/A
app pub date -
Jun 23, 2016
filing date -
Jun 24, 2015
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Abstract
A method for masking communication signals, particularly for masking terrestrial RF communication signals on board of an aircraft, includes parallelizing a first information data stream to be transmitted on a first LTE transmission channel, the first LTE transmission channel having a first channel transmission bandwidth and at least one guard band adjacent to the channel transmission bandwidth; spreading the first information data stream over a plurality of mutually orthogonal data subcarriers within the first channel transmission bandwidth; generating a CAZAC sequence; spreading the generated CAZAC sequence over guard band subcarriers within the at least one guard band; and transmitting the first information data stream over the data subcarriers in parallel to the CAZAC sequence over the guard band subcarriers.
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