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From: | Matt Ettus |
Subject: | Re: [Discuss-gnuradio] USRP underrun problems |
Date: | Fri, 04 Jun 2010 09:18:33 -0700 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100430 Fedora/3.0.4-2.fc12 Thunderbird/3.0.4 |
On 06/04/2010 03:47 AM, Chris_Spain wrote:
Hello, I trying to implement DVB-H Standar on GNU Radio and USRP. In software, all run ok, but now I'm doing the first test with USRP and I have a problem that I have no idea how fix it. When I try to send with a Flex 900, freq=850M, fft-Lenth=2048, occupied-tones=1512 the program print UuUuUuUu, USRP underrun ¿How I fix it? Cheers
You should make sure you have realtime scheduling enabled. If you do, and still get underruns a lot of underruns, then your computer is not fast enough to run your program in real time.
Matt
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