Rssibin » History » Version 2
laforge, 02/19/2016 10:49 PM
| 1 | 1 | laforge | = rssi.bin = |
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| 2 | |||
| 3 | This OsmocomBB firmware build is able to measure received signal strength over all channels that the hardware supports. |
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| 4 | |||
| 5 | It has two modes: ARFCN view and Spectrum view |
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| 6 | |||
| 7 | Depending on your hardware capabilities, this firmware is able to take measurements in all four bands in both uplink and downlink. |
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| 8 | |||
| 9 | Uplink measurements always require the [wiki:Hardware/FilterReplacement] |
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| 10 | |||
| 11 | == ARFCN view == |
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| 12 | |||
| 13 | 2 | laforge | [[Image(osmocombb-rssi-arfcn.jpg)]] |
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| 15 | 1 | laforge | In the ARFCN view you get |
| 16 | * an indication of the ARFCN currently selected |
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| 17 | * an indication of the band (DCS/PCS) for ARFCNs that exist in both bands |
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| 18 | * the Rx Level in dBm |
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| 19 | * a bar graph vor visualizing the RSSI |
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| 20 | * an optional audible indication (beep tones) corellated with the RSSI |
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| 21 | |||
| 22 | You can use it the following way: |
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| 23 | * Enter the digits of an ARFCN on the numeric keypad followed by the Enter soft-key |
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| 24 | * Use the Left/Right buttons to decrease/ increase the currently shown ARFCN |
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| 25 | * Use the Up/Down buttons to increase/decrease the beep tone volume |
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| 26 | * Use the * (asterisk) button to enter spectrum view |
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| 27 | * Use the UL/DL soft-button to change uplink / downlink measurement |
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| 28 | |||
| 29 | == Spectrum view == |
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| 30 | 2 | laforge | |
| 31 | [[Image(osmocombb-rssi-spectrum.jpg)]] |
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| 32 | 1 | laforge | |
| 33 | In the spectrum view, you get a graphical spectrum plot |
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| 34 | |||
| 35 | You can use it the following way: |
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| 36 | * Use the Up/Down buttons to adjust the scale |
