Difference between revisions of "Mobile Signal Strength Recommendations"
From Teltonika Networks Wiki
Line 98: | Line 98: | ||
{| class="wikitable" | {| class="wikitable" | ||
|+ style="text-align: left;" | RSRP | |+ style="text-align: left;" | RSRP | ||
− | ! style="width: 500px; background: black; color: white;" | | + | ! style="width: 500px; background: black; color: white;" | RSRP |
! style="width: 500px; background: black; color: white;" | Signal strength | ! style="width: 500px; background: black; color: white;" | Signal strength | ||
|- | |- | ||
Line 111: | Line 111: | ||
|- | |- | ||
! style="text-align: left; background: #EC031D;" | <= -100 dBm | ! style="text-align: left; background: #EC031D;" | <= -100 dBm | ||
+ | | style="text-align: left; background: #EC031D;" | '''No signal''' | ||
+ | |- | ||
+ | |} | ||
+ | |||
+ | {| class="wikitable" | ||
+ | |+ style="text-align: left;" | RSRQ | ||
+ | ! style="width: 500px; background: black; color: white;" | RSSI | ||
+ | ! style="width: 500px; background: black; color: white;" | Signal strength | ||
+ | |- | ||
+ | ! style="text-align: left; background: #6ACE61;" | >= -10 dB | ||
+ | | style="text-align: left; background: #6ACE61;" | '''Excellent''' | ||
+ | |- | ||
+ | ! style="text-align: left; background: #FBFB43;" | -10 dB to -15 dB | ||
+ | | style="text-align: left; background: #FBFB43;" | '''Good''' | ||
+ | |- | ||
+ | ! style="text-align: left; background: #F7BA30;" | -15 dB to -20 dB | ||
+ | | style="text-align: left; background: #F7BA30;" | '''Fair to poor''' | ||
+ | |- | ||
+ | ! style="text-align: left; background: #EC031D;" | <= -20 dB | ||
+ | | style="text-align: left; background: #EC031D;" | '''No signal''' | ||
+ | |- | ||
+ | |} | ||
+ | |||
+ | {| class="wikitable" | ||
+ | |+ style="text-align: left;" | SINR | ||
+ | ! style="width: 500px; background: black; color: white;" | SINR | ||
+ | ! style="width: 500px; background: black; color: white;" | Signal strength | ||
+ | |- | ||
+ | ! style="text-align: left; background: #6ACE61;" | >= 20 dB | ||
+ | | style="text-align: left; background: #6ACE61;" | '''Excellent''' | ||
+ | |- | ||
+ | ! style="text-align: left; background: #FBFB43;" | 13 dB to 20 dB | ||
+ | | style="text-align: left; background: #FBFB43;" | '''Good''' | ||
+ | |- | ||
+ | ! style="text-align: left; background: #F7BA30;" | 0 dB to 13 dB | ||
+ | | style="text-align: left; background: #F7BA30;" | '''Fair to poor''' | ||
+ | |- | ||
+ | ! style="text-align: left; background: #EC031D;" | <= 0 dB | ||
| style="text-align: left; background: #EC031D;" | '''No signal''' | | style="text-align: left; background: #EC031D;" | '''No signal''' | ||
|- | |- | ||
|} | |} |
Revision as of 08:44, 29 September 2017
Summary
This chapter is an overview of recommended signal strength levels for different mobile service modes.
Signal Measurement
Signal strength values are defined by a few different measurements which vary even more for different service modes. These measurements are as follows:
- RSSI
- RSRP
- RSRQ
- RSCP
- SINR
- EC/IO
2G (GSM)
2G (GSM) Signal strength is defined by only one value: RSSI – Received Signal Strength Indicator;
RSSI | Signal strength |
---|---|
> -70 dBm | Excellent |
-70 dBm to -85 dBm | Good |
-86 dBm to -100 dBm | Fair |
< -100 dBm | Poor |
-110 dBm | No signal |
3G (WCDMA, TDSCDMA, CDMA, EVDO, CDMA-EVDO)
For 3G service mode, there are three relevant measurements:
- RSSI - indicates the received signal strength
- EC/IO - indicates the downlink carrier-to-interference ratio (signal quality)
- RSCP - indicates the received signal code power
The RSSI standard values for 3G are the same as 2G
RSSI | Signal strength |
---|---|
> -70 dBm | Excellent |
-70 dBm to -85 dBm | Good |
-86 dBm to -100 dBm | Fair |
< -100 dBm | Poor |
-110 dBm | No signal |
EC/IO | Signal quality |
---|---|
0 to -6 | Excellent |
-7 to -10 | Good |
-11 to -20 | Fair to poor |
4G (LTE)
For 4G service mode, there are three relevant measurements:
- RSSI - indicates the received signal strength
- RSRP - the Reference Signal Received Power is the power of the LTE Reference Signals spread over the full bandwidth and narrowband
- SINR - Signal to Interference plus Noise Ratio (A minimum of -20 dB SINR is needed to detect RSRP/RSRQ)
- RSRQ - Reference Signal Received Quality is a C/I type of measurement and it indicates the quality of the received reference signal
RSRP | Signal strength |
---|---|
>= -80 dBm | Excellent |
-80 dBm to -90 dBm | Good |
-90 dBm to -100 dBm | Fair to poor |
<= -100 dBm | No signal |
RSSI | Signal strength |
---|---|
>= -10 dB | Excellent |
-10 dB to -15 dB | Good |
-15 dB to -20 dB | Fair to poor |
<= -20 dB | No signal |
SINR | Signal strength |
---|---|
>= 20 dB | Excellent |
13 dB to 20 dB | Good |
0 dB to 13 dB | Fair to poor |
<= 0 dB | No signal |