H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 27/156 (2006.01) H04J 11/00 (2006.01) H04L 27/26 (2006.01)
Patent
CA 2278920
A delay circuit for delaying a received DAB signal is provided. A correlation circuit for correlating a delay output of the delay circuit with the received DAB signal is provided. A moving average circuit for calculating a moving average of a correlation output of the correlation circuit is provided. A transmission mode is assumed to be one of a plurality of transmission modes. The delay time of the delay circuit is set at a time corresponding to a symbol time length of the assumed transmission mode. The number of events that the output of the moving average circuit exceeds a prescribed value is counted. Based on counting results, a transmission mode that gives the maximum number of events that the output of the moving average circuit exceeds the prescribed value is judged to be the actual transmission mode.
Kaneko Shigeru
Nomura Kiyoshi
Gowling Lafleur Henderson Llp
Sony Corporation
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