User`s guide

Agilent PXT Wireless Communications Test Set
User’s Guide
168
Example Use Case – Cell Reselection from Cell A to Cell B and Back to Cell A
The following is a typical test showing UE reselection between the two cells.
1. On Cell A, load a scenario which handles an Attach procedure.
• Select cell A by pressing BSE > Config > Cell Setup > Cell Selection = A-Cell
• Load the scenario file by pressing Mode Setup > Call Scenario > Load.
2. Configure Cell A to have Physical Cell ID 0
• If necessary select cell A as in step 1.
• Set cell ID by pressing BSE > Mode Setup > More > PHY Settings > Cell ID < 0, Enter.
3. On Cell B, load a scenario which handles a TAU (Tracking Area Update) procedure.
• Select cell B by pressing BSE > Mode Setup > Cell Selection = B-Cell
.
• Load the scenario by pressing Mode Setup > Call Scenario > Load.
4. Configure Cell B to have Physical Cell ID 1
• If necessary, select cell B as in step 3.
• Set cell ID by pressing BSE > Mode Setup > More > PHY Settings > Cell ID.
5. Configure the PHY settings as required by the UE.
6. Ensure Cell A has 100% power resulting in Cell B having 0%.
• Press Config > Cell Setup > A-Cell Ratio > 100, %.
7. Start the emulator.
• Press Mode > BSE > Emulator Mode = Run.
8. Attach the UE.
9. Verify IP throughput by pinging the IP address allocated to the UE in the scenario file.
10. Turn the power of Cell A to zero, meaning Cell B is now 100%
• Press Config > Cell Setup > A-Cell Ratio > 0, %.
The UE detects the loss of the A cell and initiates a search.
The UE discovers Cell B and performs a TAU procedure.
11. Verify IP throughput by pinging the same IP address.
12. To test reselection back to Cell A, perform steps 1-11 again replacing Cell A with Cell B and vice versa.