[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Discuss-gnuradio] Hard Disk Bottleneck

From: Matt Ettus
Subject: Re: [Discuss-gnuradio] Hard Disk Bottleneck
Date: Fri, 09 Feb 2007 09:52:15 -0800
User-agent: Thunderbird (X11/20070104)

>> just a quick question: has anybody managed so far to provide the usrp
>> with the 8 Complex Msps needed to transmit an 8 MHz wide band?
>> My problem is that such a bandwidth yields a 32MiBps throughput and,
>> even if the USB2 bus and the CPU speed of my machine are all right with
>> this, it looks like my IDE HARD DISK cannot provide such a data rate.
>> Can anyone please confirm whether he's been successful in something
>> similar, and, if so, with what kind of HD?

The real point here is that you can generate signals on the fly much
faster than you can read them from a disk.  We have no trouble
generating the 32 megabytes per second of FM, PSK, or whatever else, in
real time.  Do you really need to store these files to a disk?


reply via email to

[Prev in Thread] Current Thread [Next in Thread]