On 20/06/2011 10:05 AM, vanITA1082 wrote:
I am going more deeply into the OFDM example, however I cannot figure out
which is the bit rate of the usrp.
I mean, I know and I can set the bit rate of my application but how fast the
packets are sent out by the usrp?
How can I evaluate the throughput on the wireless link?
Thanks
Vanessa
The USRP knows nothing about packets or modulation or any of the
higher-level concepts you seek.
The USRP/USRP2/N2XX are, conceptually, digitizers that digitize the
baseband output of the RF chain, and present it to the
host at a fixed sample rate. Conversely, they take digital samples
from the host, and convert them into baseband analog signals
for the RF hardware to transmit.
Any given modulation waveform (whether it's OFDM, or BPSK, or NBFM, or
whatever) occupies a certain *bandwidth*, and you chose
the sample rate to accomodate the bandwidth of the signal.
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