User`s guide

Agilent PXT Wireless Communications Test Set
User’s Guide
110
MAC Settings
Accesses the menu of settings available to configure the Medium Access Control (MAC).
DL HARQ Max Trans
UL HARQ Max Trans
Key Path: BSE > Mode Setup> More
DL HARQ Max Trans
Downlink Hybrid Automatic Repeat Request (HARQ) maximum transmission controls the number of times
the PXT attempts to transmit a downlink transport block before it is discarded. Successful transmission of
a downlink transport block is met with the UE sending an ACK or NACK.
Mode
BSE, FDD
Range
1 – 8
Preset
1
State Saved
Yes
Initial S/W Revision
6.1
Key Path
BSE > Mode Setup> More > MAC Settings
UL HARQ Max Trans
Uplink Hybrid Automatic Repeat Request (HARQ) maximum transmission controls the number of times the
PXT expects the UE to attempt to transmit a transport block before it is discarded.
It must be set to the same value as the maxHARQ-Tx parameter which is usually contained in the RRC
Connection Setup message of the scenario file (created using the N6062A Protocol Message Editor
software).
Mode
BSE, FDD
Overwrites Scenario File Value
Yes
Range
1 – 28
Preset
1
State Saved
Yes
Initial S/W Revision
6.1
Range increased to 28 and overwrites scenario file
at 6.5.
Key Path
BSE > Mode Setup> More > MAC Settings
RRC Settings – Key Menu 1
No of Tx Antennas
Sets the number of transmit antennae to 1 or 2.
Set this value to 2 whenever you are using TM2, TM3, TM4, TM6, or TM7 (TDD).
Mode
BSE
Overwrites Scenario File Value
No
Range
1 | 2