Re: [Discuss-gnuradio] Hard Disk Bottleneck

[Matt Ettus]

>
>>
>> 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?

Matt