macbook-chris:gnuradio updatelee$ /usr/local/share/uhd/examples/rx_timed_samples Mac OS; GNU C++ version 4.2.1 (Apple Inc. build 5664); Boost_104500; UHD_002.20110126204618.b83454d
Creating the usrp device with: ... mboard0 MIMO master Using Device: Single USRP: Device: USRP2/N Series device Mboard: USRP-N210 mboard RX DSP: USRP-N210 ddc0 RX Channel: 0 RX Dboard: USRP-N210 dboard (rx unit)
RX Subdev: Basic RX (0x0001) - AB TX DSP: USRP-N210 duc0 TX Channel: 0 TX Dboard: USRP-N210 dboard (tx unit) TX Subdev: Basic TX (0x0000) - AB
Setting RX Rate: 6.250000 Msps... Actual RX Rate: 6.250000 Msps...
Setting RX Freq: 0.000000 Mhz... Actual RX Freq: 0.000000 Mhz...
Setting device timestamp to 0...
Begin streaming 1000 samples, 3.000000 seconds in the future... Got packet: 362 samples, 3 full secs, 0.000000 frac secs
Got timeout before all samples received, possible packet loss, exiting loop...
Done!
macbook-chris:gnuradio updatelee$
under 5ghz wireless,
macbook-chris:gnuradio updatelee$ /usr/local/share/uhd/examples/rx_timed_samples
Mac OS; GNU C++ version 4.2.1 (Apple Inc. build 5664); Boost_104500; UHD_002.20110126204618.b83454d
Creating the usrp device with: ... mboard0 MIMO master Using Device: Single USRP: Device: USRP2/N Series device
Mboard: USRP-N210 mboard RX DSP: USRP-N210 ddc0 RX Channel: 0 RX Dboard: USRP-N210 dboard (rx unit) RX Subdev: Basic RX (0x0001) - AB TX DSP: USRP-N210 duc0 TX Channel: 0 TX Dboard: USRP-N210 dboard (tx unit)
TX Subdev: Basic TX (0x0000) - AB
Setting RX Rate: 6.250000 Msps... Actual RX Rate: 6.250000 Msps...
Setting RX Freq: 0.000000 Mhz... Actual RX Freq: 0.000000 Mhz...
Setting device timestamp to 0...
Begin streaming 1000 samples, 3.000000 seconds in the future... Got packet: 362 samples, 3 full secs, 0.000000 frac secs Got timeout before all samples received, possible packet loss, exiting loop...
Done!
macbook-chris:gnuradio updatelee$
under 1000mbit
macbook-chris:gnuradio updatelee$ /usr/local/share/uhd/examples/rx_timed_samples Mac OS; GNU C++ version 4.2.1 (Apple Inc. build 5664); Boost_104500; UHD_002.20110126204618.b83454d
Creating the usrp device with: ... mboard0 MIMO master Using Device: Single USRP: Device: USRP2/N Series device Mboard: USRP-N210 mboard RX DSP: USRP-N210 ddc0 RX Channel: 0 RX Dboard: USRP-N210 dboard (rx unit)
RX Subdev: Basic RX (0x0001) - AB TX DSP: USRP-N210 duc0 TX Channel: 0 TX Dboard: USRP-N210 dboard (tx unit) TX Subdev: Basic TX (0x0000) - AB
Setting RX Rate: 6.250000 Msps... Actual RX Rate: 6.250000 Msps...
Setting RX Freq: 0.000000 Mhz... Actual RX Freq: 0.000000 Mhz...
Setting device timestamp to 0...
Begin streaming 1000 samples, 3.000000 seconds in the future... Got packet: 362 samples, 3 full secs, 0.000000 frac secs
Got packet: 362 samples, 3 full secs, 0.000058 frac secs Got packet: 276 samples, 3 full secs, 0.000116 frac secs
Done!
macbook-chris:gnuradio updatelee$
Now Im not surprised as I could never get 6mbps over wireless, I used todo 2mbps fine, i could push it to 2.5 and be fairly reliable, the odd underrun, never 3 though, defn never 6
So I decided to lower the rate to give you some examples, they werent what I expected, it actually did worse
over 1000mbit
macbook-chris:gnuradio updatelee$ /usr/local/share/uhd/examples/rx_timed_samples --rate 1923077
Mac OS; GNU C++ version 4.2.1 (Apple Inc. build 5664); Boost_104500; UHD_002.20110126204618.b83454d
Creating the usrp device with: ... mboard0 MIMO master Using Device: Single USRP: Device: USRP2/N Series device
Mboard: USRP-N210 mboard RX DSP: USRP-N210 ddc0 RX Channel: 0 RX Dboard: USRP-N210 dboard (rx unit) RX Subdev: Basic RX (0x0001) - AB TX DSP: USRP-N210 duc0 TX Channel: 0 TX Dboard: USRP-N210 dboard (tx unit)
TX Subdev: Basic TX (0x0000) - AB
Setting RX Rate: 1.923077 Msps... Actual RX Rate: 1.923077 Msps...
Setting RX Freq: 0.000000 Mhz... Actual RX Freq: 0.000000 Mhz...
Setting device timestamp to 0...
Begin streaming 1000 samples, 3.000000 seconds in the future... Got packet: 362 samples, 3 full secs, 0.000001 frac secs Got packet: 362 samples, 3 full secs, 0.000189 frac secs Got timeout before all samples received, possible packet loss, exiting loop...
Done!
over 5ghz wireless-N
macbook-chris:gnuradio updatelee$ /usr/local/share/uhd/examples/rx_timed_samples --rate 1923077 Mac OS; GNU C++ version 4.2.1 (Apple Inc. build 5664); Boost_104500; UHD_002.20110126204618.b83454d
Creating the usrp device with: ... mboard0 MIMO master Using Device: Single USRP: Device: USRP2/N Series device Mboard: USRP-N210 mboard RX DSP: USRP-N210 ddc0 RX Channel: 0 RX Dboard: USRP-N210 dboard (rx unit)
RX Subdev: Basic RX (0x0001) - AB TX DSP: USRP-N210 duc0 TX Channel: 0 TX Dboard: USRP-N210 dboard (tx unit) TX Subdev: Basic TX (0x0000) - AB
Setting RX Rate: 1.923077 Msps... Actual RX Rate: 1.923077 Msps...
Setting RX Freq: 0.000000 Mhz... Actual RX Freq: 0.000000 Mhz...
Setting device timestamp to 0...
Begin streaming 1000 samples, 3.000000 seconds in the future... Got packet: 362 samples, 3 full secs, 0.000001 frac secs
Got timeout before all samples received, possible packet loss, exiting loop...
Done!
Chris Lee VE6UDL
>> UHD source block got error code 0x1 >> gr_block_executor: source <gr_block uhd single_usrp source (20)> produced no
>> output. We're marking it DONE. >> > > grr timeout > > Can you post the output of > > uhd_usrp_probe and <prefix>/share/uhd/examples/rx_timed_samples >
> thanks, > -josh