User`s guide

viii
LTE to LTE Handovers .............................................................................................................................................. 163
Testing Two Cells Using One PXT .................................................................................................................... 165
Blind Handover ..................................................................................................................................................... 169
PXT to PXT Handover .......................................................................................................................................... 173
Inter-Radio Access Technology (I-RAT) Handovers ........................................................................................... 175
UTRAN/LTE & GERAN/LTE Inter-RAT Handovers ........................................................................................ 175
SRVCC (Single Radio Voice Control Continuity) ............................................................................................. 181
SMS over SGs....................................................................................................................................................... 188
6 RF Measurements .............................................................................................................................. 189
Common Measurement Functions ........................................................................................................................ 189
Channel Bandwidth ............................................................................................................................................. 189
Frequency .............................................................................................................................................................. 190
Source Port Setup ................................................................................................................................................ 190
Source Level ......................................................................................................................................................... 191
Receiver Port Setup ............................................................................................................................................. 191
Receiver Level ...................................................................................................................................................... 191
Triggering .............................................................................................................................................................. 192
Averaging .............................................................................................................................................................. 192
Measurement Markers ....................................................................................................................................... 193
Frequency Reference .......................................................................................................................................... 194
RF Measurement Setup ........................................................................................................................................... 194
General Purpose Measurements ...................................................................................................................... 195
Uplink LTE Measurements ...................................................................................................................................... 199
Making Measurements Not Requiring Demodulation .................................................................................. 199
Making Measurements Requiring Demodulation .......................................................................................... 208
7 Tips and Tricks ................................................................................................................................... 223
UE is not connecting. ............................................................................................................................................... 223
No IP Connectivity between PXT Server and UE ................................................................................................ 223
ICMP ping check in both directions ................................................................................................................. 223
EPC enabled and connected .............................................................................................................................. 223
UE Connection Manager Setup ......................................................................................................................... 224
Firewalls ................................................................................................................................................................ 224
Endpoints on the same subnet check .............................................................................................................. 224
Multiple Routes available ................................................................................................................................... 224
PXT BLER observed – E2E throughput affected .................................................................................................. 224
Verify PXT Attenuation is set Correctly ........................................................................................................... 225
Incorrect CFI Used for Channel Bandwidth ..................................................................................................... 225
High EVM observed ............................................................................................................................................. 225