Hi all,
I want to transmit the data between two USRP's and make them communicate
with each other. But I guess the packets are not being received
properly..
My USRP daughterboard model is XCVR2450. When I am running
./benchmark_tx.py -f 2.435G, it is starting to transmit the packets but
a small error occured given below,
linux; GNU C++ version 4.8.4; Boost_105500;
UHD_003.009.git-144-g407e3086
Using Volk machine: avx_64_mmx
-- Opening a USRP1 device...
-- Using FPGA clock rate of 64.000000MHz...
No gain specified.
Setting gain to 7.500000 (from [-20.000000, 35.000000])
UHD Warning:
The hardware does not support the requested TX sample rate:
Target sample rate: 0.050000 MSps
Actual sample rate: 0.250000 MSps
Symbol Rate: 25000.000000
Requested sps: 2.000000
Given sample rate: 250000.000000
Actual sps for rate: 10.000000
Requested sample rate: 50000.000000
Actual sample rate: 250000.000000
..............................................................................................U...............................................................terminate
called after throwing an instance of 'uhd::runtime_error'
what(): RuntimeError: usb tx2 transfer status: 1
Aborted (core dumped).
But towards the receiver side, I gave the command ./benchmark_rx.py -f
2.435GG,it has shown the result given below with n_right=0.
linux; GNU C++ version 4.8.4; Boost_105500;
UHD_003.009.git-144-g407e3086
Using Volk machine: avx_64_mmx
-- Opening a USRP1 device...
-- Using FPGA clock rate of 64.000000MHz...
No gain specified.
Setting gain to 56.250000 (from [0.000000, 112.500000])
UHD Warning:
The hardware does not support the requested RX sample rate:
Target sample rate: 0.050000 MSps
Actual sample rate: 0.250000 MSps
Symbol Rate: 25000.000000
Requested sps: 2.000000
Given sample rate: 250000.000000
Actual sps for rate: 10.000000
Requested sample rate: 50000.000000
Actual sample rate: 250000.000000
ok = False pktno = 53034 n_rcvd = 1 n_right = 0
ok = False pktno = 24 n_rcvd = 2 n_right = 0
ok = False pktno = 35 n_rcvd = 3 n_right = 0
ok = False pktno = 44 n_rcvd = 4 n_right = 0
ok = False pktno = 46 n_rcvd = 5 n_right = 0
ok = False pktno = 46 n_rcvd = 6 n_right = 0
ok = False pktno = 3872 n_rcvd = 7 n_right = 0
ok = False pktno = 12304 n_rcvd = 8 n_right = 0
ok = False pktno = 49 n_rcvd = 9 n_right = 0
ok = False pktno = 50 n_rcvd = 10 n_right = 0
ok = False pktno = 54 n_rcvd = 11 n_right = 0
ok = False pktno = 200 n_rcvd = 12 n_right = 0
ok = False pktno = 63 n_rcvd = 13 n_right = 0
My USRP can access in the range of 2.4GHZ to 5GHZ. Please advice as to
what I can do. Thanks
Regards,
John
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