Hi daniel, so, obviously, the RTL-SDR dongles (can be had from 6€ upwards if bought in bulk directly from China) is the SDR of choice for low-bandwidth experiments. However, LTE and WiFi with bandwidths in the 10s of MHz simply widely exceed their bandwidth.
Bandwidth-wise, and considering high-rate links won't be sensibly receivable with 8-bit quantization, you'll need to have USB3 (or Gigabit Ethernet up to ca 30 MS/s, or PCIe, or such for anything above) if you need to receive 20 MHz wide WiFi or 10 MHz wide LTE. There's only so many boards that do that. Some of which are cheaper than USRP B2xx series devices, some not. Notice that LTE exists in smaller bandwidth variants, too, but I can't comment on hardware useful for these. Best regards, Marcus On 09/29/2017 01:18 AM, w xd wrote: > Hello guys, > > Have some suggestion on the cheaper SDR platform for > us to use with the GNURADIO software? As a student, I cannot buy the > expensive usrp ,but I want to learn the knowledge by the hardware and > software. Any recommend? For example,use the hardware to do some > experiments about LTE/WIFI. > > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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