When a mobile device moves from cell to cell and performs cell selection/reselection and handover, it has to measure the signal strength/quality of the neighbor cells.
| connection | https://www.juniper.net/documentation/us/en/software/session-smart-router/docs/cli_reference/#show-lte-connection |
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| show lte connection router Lanner1 | Code Block |
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| *admin@node1.conductor# show lte connection router Lanner1
Fri 2022-03-25 09:43:53 UTC
Retrieving LTE data...
============= ===================== =================== ============== ============= ============= ==================== ====================
Device Name Registration Status Connection Status IP Address RX bytes OK TX bytes OK RX packets dropped TX packets dropped
============= ===================== =================== ============== ============= ============= ==================== ====================
lte-0 registered connected 10.36.58.108 0 0 0 0
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| show lte |
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| show lte router Lanner1 | Code Block |
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| admin@node1.conductor# show lte router Lanner1
Fri 2022-03-25 09:45:58 UTC
Retrieving LTE data...
============= ============= ===================== =================== ================= ====================== ============ ==============
Device Name Target Name Registration Status Connection Status Signal Strength RSSI Signal Strength SNR Signal IP Address
Strength
============= ============= ===================== =================== ================= ====================== ============ ==============
lte-0 wwp0s21u4i8 registered connected good -67 dBm -0.2 dB 10.36.58.108
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| signal |
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| show lte signal router Lanner1 | Code Block |
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| *admin@node1.conductor# show lte signal router Lanner1
Fri 2022-03-25 09:46:16 UTC
Retrieving LTE data...
============= ===================== ================= ========= ========= ========== ======== ==============
Device Name Registration Status Signal Strength RSSI SNR RSRP RSRQ Carrier Name
============= ===================== ================= ========= ========= ========== ======== ==============
lte-0 registered good -67 dBm -0.8 dB -100 dBm -15 dB vodafone UK
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| show sim |
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| show lte sim router Lanner1 | Code Block |
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| admin@node1.conductor# show lte sim router Lanner1
Fri 2022-03-25 09:49:07 UTC
Retrieving LTE data...
============= ============= ================= ====================== ==============================
Device Name Carrier IMSI ICCID MSISDN
============= ============= ================= ====================== ==============================
lte-0 vodafone UK xxxxxxxxxxxxxxx yyyyyyyyyyyyyyyyyyyyy Error Retrieving Information
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| show device-interface router Lanner1 node node1 summary show device-interface router Lanner1 node node1 name lte-0
| Code Block |
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| admin@node1.conductor# show device-interface router Lanner1 node node1 summary
Wed 2022-03-23 14:59:54 UTC
Retrieving device interface information...
========================== ============ ============== ==================== ==================== =================== ===================
Name Forwarding Admin Status Operational Status Provisional Status Redundancy Status MAC Address
========================== ============ ============== ==================== ==================== =================== ===================
node1.Lanner1:dh00000005 true up up up non-redundant fa:6e:52:4f:0d:59
node1.Lanner1:dh00000007 true up up up non-redundant 26:32:af:9f:3c:de
node1.Lanner1:ge-1 false n/a n/a n/a n/a n/a
node1.Lanner1:ge-2 false n/a n/a n/a n/a n/a
node1.Lanner1:ge-3 true up up up non-redundant 00:90:0b:8e:dc:d8
node1.Lanner1:ge-4 true up up up non-redundant 00:90:0b:8e:dc:d9
node1.Lanner1:ge-5 true up up up non-redundant 00:90:0b:8e:dc:da
node1.Lanner1:ge-6 true up up up non-redundant 00:90:0b:8e:dc:db
node1.Lanner1:ge-7 true up up up non-redundant 00:90:0b:8e:dc:dc
node1.Lanner1:ge-8 false n/a n/a n/a n/a n/a
node1.Lanner1:lte-0 true up up up non-redundant f6:e9:81:48:08:1f
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| Code Block |
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| title | device-interfaces output |
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| Lanner NCA-1515
RSRP Signal Strength:-119 dBm
RSRQ Signal Strength:-20 dB
RSSI Signal Strength:-76 dBm
Radio Interface: lte
Registration Status:registered
SNR Signal Strength:-1.4 dB
Signal Strength: fair
reinit-attempt: 28
Madrid in the loft:
RSRP Signal Strength:-111 dBm
RSRQ Signal Strength:-13 dB
RSSI Signal Strength:-78 dBm
Radio Interface: lte
Registration Status:registered
SNR Signal Strength:11.2 dB
Signal Strength: fair
reinit-attempt: 19
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| RSRP | Reference Signals Received Power >= -80 dBm Excellent |
| RSRQ | Reference Signal Received Quality >= -10 dB Excellent |
| RSSI | Received Signal Strength Indicator >= -70 dBm Excellent |
| SNR |
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https://www.speedcheck.org/wiki/rssi/
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