[linux-dvb] [PATCH] lgdt330x: SNR and signal strength reporting

Manu Abraham abraham.manu at gmail.com
Mon Oct 30 23:30:57 CET 2006

Patrick Boettcher wrote:
> Hi,

- snip -

>> +		/* Negative SNR, which is possible, but realisticly the
>> +		demod will lose lock before the signal gets this bad.  The
>> +		API only allows for unsigned values, so just return 0 */
> In DVB-T QPSK FEC 1/2 it is possible to receive while having a negative 
> SNR.

You mean the SNR negative due to the multipath spread of the channel
(fading multipath channels) ?


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