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LTE Signaling
R&S
®
CMW-KM5xx/-KS5xx
155
User Manual 1173.9628.02 ─ 16
AS Security
Enables or disables Access Stratum (AS) security. With enabled AS security the UE
performs integrity protection of RRC signaling. This setting is only relevant if authenti-
cation is enabled.
Remote command:
Integrity Algorithm
Selects an algorithm for integrity protection. NULL means that integrity protection is
disabled. Use this setting for UEs which do not support the SNOW3G (EIA1) algorithm.
Remote command:
Milenage
Enable this parameter to use a USIM with MILENAGE algorithm set.
Remote command:
OPc
The key OP
c
is used for authentication and integrity check procedures with the MILE-
NAGE algorithm set (parameter "Milenage" enabled). The value is entered as 32-digit
hexadecimal number.
Remote command:
Secret Key
The secret key K is used for the authentication procedure (including a possible integrity
check). The value is entered as 32-digit hexadecimal number.
The integrity check fails unless the secret key is equal to the value stored on the test
USIM of the UE. The test USIM R&S CMW-Z04 is compatible with the default setting of
this parameter.
If authentication is switched off, the secret key is ignored.
Remote command:
RAND Value
The random number RAND is used for the authentication procedure (including a possi-
ble integrity check). This parameter selects whether an odd or even RAND value is
used.
Remote command:
2.4.11.5
UE Identity
The "UE Identity" settings configure the default IMSI.
GUI Reference
深圳德标仪器