[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) ?
Regards,
Manu
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