OpenBTS: E110 Kalibrasi Clock

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Download

Download dari

cd ~/src
git clone https://github.com/ttsou/kalibrate-uhd kalibrate-uhd

Compile

opkg remove --force-depends libfftwf fftwf-dev fftwf
opkg install fftw fftw-dev fftw-static libfftw
cd ~/src/kalibrate-uhd
./bootstrap && CXXFLAGS='-W -Wall -O3' ./configure && make

Melakukan Kalibrasi

Gunakan Kalibrate atau Kalibrate-UHD untuk mengukur offset frekuensi,

[root@openBTS kal-0.2]# ./kal -f 946600000 -u
USRP side: B
FPGA clock: 52000000
Decimation: 192
Antenna: RX2
Sample rate: 270833.343750
average [min, max] (range, stddev)
501.351685 [461, 546] (85, 19.314581)
overruns: 0
not found: 0

Referensi

Pranala Menarik

Persiapan

OpenBTS 2.6

OpenBTS 2.8

Ettus E110

Lain Lain

Catatan Legal dan Pendukung

Catatan Sejarah