发明名称 Radio broadcasting system and method providing continuity of service
摘要 Disclosed is a system and method to provide continuity of service in a radio broadcasting system comprising at least one modem using the COFDM technique, comprising the transmission of N time-frequency cells modulated independently of one another. The method comprises at least the following steps: at transmission: a) sending a number N1 of cells conveying signals needed for the transmission of a digitized audio signal S1, b) sending a number N2 of modulated cells to transmit an analog signal S2 of analog audio samples, reception; c) when the signals of the N1 cells cannot be decoded, replacing the digitized audio signal S1 by the analog signal S2 conveyed by the cells N2.
申请公布号 US2002054609(A1) 申请公布日期 2002.05.09
申请号 US20010976155 申请日期 2001.10.15
申请人 THALES 发明人 LAURENT PIERRE-ANDRE
分类号 H04H20/26;H04H20/30;H04J11/00;H04L1/04;H04L5/02;(IPC1-7):H04J4/00 主分类号 H04H20/26
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