Layered division multiplexing-based broadcast relay apparatus and method
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United States of America Patent
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Sep 3, 2019
Grant Date -
Nov 9, 2017
app pub date -
Mar 2, 2017
filing date -
May 9, 2016
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Abstract
Disclosed herein are a Layered Division Multiplexing (LDM)-based broadcast relay apparatus and method. The LDM-based broadcast relay apparatus includes a first layer symbol generation unit for outputting a first layer broadcast signal based on a received Layered Division Multiplexed (LDM) broadcast signal, a data buffer unit for storing the received LDM broadcast signal for a delay time before the first layer broadcast signal is output, and a second layer symbol generation unit for outputting a second layer broadcast signal by eliminating the first layer broadcast signal from the stored broadcast signal.
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