Difference between revisions of "Minimum configuration to start your YateBTS"

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'''Important note: Make sure you have the right to use the radio frequency you selected. Please do not break your local law.'''
 
'''Important note: Make sure you have the right to use the radio frequency you selected. Please do not break your local law.'''
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Run a spectrum survey with a spectrum analyzer to find a gap in the spectrum for downlink 1805-1880 and uplink 1710-1785.
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You must find pairs that are open in both downlink and uplink which are 95MHz apart.
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It is better to operate below ARFCN 786(downlink 1860 MHz).
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'''Example with a mobile spectrum analyzer:'''
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Freq Span
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Start-Stop
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Set Start - lower limit
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Set Stop - upper limit
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Peak Hold - use it for a couple of minutes to find gaps (Downlink freq)
  
 
A minimum configuration of this type will use the default identity MCC=001 MNC=01 LAC=1000 (0x3e8) CI=10 (0x000a).  
 
A minimum configuration of this type will use the default identity MCC=001 MNC=01 LAC=1000 (0x3e8) CI=10 (0x000a).  

Revision as of 14:34, 24 July 2015

As an absolute minimum, you must configure the radio frequency in ybts.conf:

[gsm]
Radio.Band=BBB
Radio.C0=NNN

where BBB is the radio band (850, 900, 1800 or 1900) and NNN is the ARFCN of the first channel.

Important note: Make sure you have the right to use the radio frequency you selected. Please do not break your local law.

Run a spectrum survey with a spectrum analyzer to find a gap in the spectrum for downlink 1805-1880 and uplink 1710-1785. You must find pairs that are open in both downlink and uplink which are 95MHz apart. It is better to operate below ARFCN 786(downlink 1860 MHz).

Example with a mobile spectrum analyzer:

Freq Span

Start-Stop

Set Start - lower limit

Set Stop - upper limit

Peak Hold - use it for a couple of minutes to find gaps (Downlink freq)

A minimum configuration of this type will use the default identity MCC=001 MNC=01 LAC=1000 (0x3e8) CI=10 (0x000a). Most phones will identify it as Test or Test PLMN.

Below is an example for channel 50 of GSM900 (900MHz uplink, 945MHz downlink):

[gsm]
Radio.Band=900
Radio.C0=50