AirPrime and HL7548 AT Commands Interface Guide Rev10 0

4116303 Rev 10.0 August 10, 2017 100
AT Commands Interface Guide
Mobile Equipment Control and Status
Commands
5.45. +CESQ Command: Extended Signal Quality
HL7518 and HL7548
Test command
Syntax
AT+CESQ=?
Response
+CESQ: (list of supported <rxlev>s),(list of supported <ber>s),(list of supported <rscp>s),
(list of supported <ecno>s),(list of supported <rsrq>s),(list of supported <rsrp>s)
OK
Execute command
Syntax
AT+CESQ
Response
+CESQ: <rxlev>,<ber>,<rscp>,<ecno>,<rsrq>,<rsrp>
OK
Parameters
<rxlev> Integer type; received signal strength level (see 3GPP TS 45.008 [20]
subclause 8.1.4)
0 rssi < -110 dBm
1 -110 dBm ≤ rssi < -109 dBm
2 -109 dBm ≤ rssi < -108 dBm
…
61 -50 dBm ≤ rssi < -49 dBm
62 -49 dBm ≤ rssi < -48 dBm
63 -48 dBm ≤ rssi
99 not known or not detectable
<ber> Integer type; channel bit error rate (in percent)
0 – 7 As RXQUAL values in the table in 3GPP TS 45.008 [20] subclause 8.2.4
99 Not known or not detectable
<rscp> Integer type; received signal code power (see 3GPP TS 25.133 [95]
subclause 9.1.1.3 and 3GPP TS 25.123 [96] subclause 9.1.1.1.3)
0 rscp < -120 dBm
1 -120 dBm ≤ rscp < -119 dBm
2 -119 dBm ≤ rscp < -118 dBm
…
94 -27 dBm ≤ rscp < -26 dBm
95 -26 dBm ≤ rscp < -25 dBm
96 -25 dBm ≤ rscp
255 Not known or not detectable
<ecno> Integer type; ratio of the received energy per PN chip to the total received
power spectral density (see 3GPP TS 25.133 [95] subclause)
0 Ec/Io < -24 dB
1 -24 dB ≤ Ec/Io < -23.5 dB
2 -23.5 dB ≤ Ec/Io < -23 dB
…
47 -1 dB ≤ Ec/Io < -0.5 dB
48 -0.5 dB ≤ Ec/Io < 0 dB
49 0 dB ≤ Ec/Io
255 Not known or not detectable