Would an extra bit of hardware such as a PCI card with PLX's PCI9030
breaking out to the USRP with something like an 80 wire IDE cable be
suitable for high bandwidth, low latency and lowish cost?
(http://www.plxtech.com/products/io_accelerators/PCI9030/default.htm)
You might be able to do gigabit ethernet if you just pushed out the data
to and from the USRP in plain old ethernet frames directly to a gigabit
ethernet port on the PC. No IP headers and no switches in between.
I know someone who used gigabit ethernet driver chips hooked to an FPGA
in order to push lots of digitised SVGA video data down a long length
of CAT5e for a KVM application.
Eric Blossom wrote:
On Wed, Jul 26, 2006 at 10:11:14PM -0400, Nikhil wrote:
On 7/26/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
I'd vote for Gigabit Ethernet as an interface. It offers the following:
Since you mention Gigabit Ethernet, I have to ask... are there any latency
issues with it?
Latency with Gig E should be less than we're currently seeing with USB
given the higher data rate. Without a doubt, a bus-interfaced USRP
would have lower latency, however there are lots of trade-offs.
Eric
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