US 6,982,745 B2 | ||
Antenna level display device and method, and receiving apparatus | ||
Naoki Miyabayashi, Tokyo (Japan) | ||
Assigned to Sony Corporation, Tokyo (Japan) | ||
Filed on Nov. 26, 2002, as Appl. No. 10/304,224. | ||
Claims priority of application No. 2001-361527 (JP), filed on Nov. 27, 2001. | ||
Prior Publication US 2004/0075771 A1, Apr. 22, 2004 | ||
Int. Cl. H04N 5/50 (2006.01); H04N 5/445 (2006.01); H04N 17/00 (2006.01) |
U.S. Cl. 348—193 | 17 Claims |
9. An antenna level display method comprising the steps of:
calculating a CN ratio based on mapped points of a received signal on an IQ plane;
calculating a CN ratio based on an error rate;
selecting, as an antenna level to be displayed, either the CN ratio based on the mapped points of the received signal on the
IQ plane or the CN ratio based on the error rate; and
displaying the selected CN ratio as an antenna level.
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