Re: [Discuss-gnuradio] I couldn't observe 2.4G Wi-Fi signal and didn't know why

2013-11-11 Thread marcus
Hi Howard, as for things that can cost you a lot of time to figure out, until you start all over again with calibration: Have you made sure that you attach the antenna to the correct RF port of the USRP, and connect that port to the correct connector on the daughterboard? Greetings, Marcus

Re: [Discuss-gnuradio] I couldn't observe 2.4G Wi-Fi signal and didn't know why

2013-11-10 Thread Tom Rondeau
On Sun, Nov 10, 2013 at 12:03 PM, Martin Braun (CEL) wrote: > On Sun, Nov 10, 2013 at 11:53:41AM +0800, Howard He wrote: >> I use four antennas for test. Two are official VERT2400, others are 2.4G >> antennas. I use the given example "uhd_fft.grc" (a simple FFT block) hoping >> to >> observe freq

Re: [Discuss-gnuradio] I couldn't observe 2.4G Wi-Fi signal and didn't know why

2013-11-10 Thread Martin Braun (CEL)
On Sun, Nov 10, 2013 at 11:53:41AM +0800, Howard He wrote: > I use four antennas for test. Two are official VERT2400, others are 2.4G > antennas. I use the given example "uhd_fft.grc" (a simple FFT block) hoping to > observe frequency spectrum of Wi-Fi signal. No matter what antenna I set up > (eve

[Discuss-gnuradio] I couldn't observe 2.4G Wi-Fi signal and didn't know why

2013-11-09 Thread Howard He
I know this may due to stupid reasons while I have no idea how to achieve it. Ubuntu 13.04(32-bit); gnuradio-3.6.5; GNU C++ version 4.7.3; Boost_105300; UHD_003.005.004-154-ge6a1de6d; USRP N210; RFX2400 There are two Wi-Fi APs in our lab with 802.11g and 802.11n standard. I use a simple softwa