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4479 Baseband Processing Hardware
The hardware option is a prerequisite for the call mode and non-call mode options. It provides all hardware necessary for WCDMA testing. The option is based on a new architecture which is technology agnostic and will ensure future enhancements to be software upgradeable.
4466 WCDMA Non-Call Mode Option
The non-call mode option provides basic signal generator/analyzer functionality. The signal generator generates a WCDMA signal either without data or containing basic data simulating a cell site (PCCPCH, PSCH, SSCH); an FM modulated signal required for the tuning of specific mobile phones and a CW signal generator. The analyzer allows basic WCDMA measurements, i.e. output power, frequency error, modulation spectrum, Occupied Bandwidth (OBW), Adjacent Channel Leakage Ratio (ACLR), Spectrum Emission Mask (SEM) and transmit modulation (EVM and PCDE). In addition the option provides a specific Staircase measurement as it is required for the tuning of specific mobile phones. This option requires the 4479 Baseband Processing Hardware.
4467 WCDMA Call Mode Option
The call mode option provides the signalling part of WCDMA. The option supports the URA procedure (location updating) and the call setup procedures. The option supports furthermore the following measurements: maximum/minimum output power, frequency error, output power dynamics in the uplink, modulation spectrum, Occupied Bandwidth (OBW), Adjacent Channel Leakage Ratio (ACLR), Spectrum Emission Mask (SEM), transmit modulation (EVM and PCDE), reference sensitivity level and maximum input level. This option requires the 4479 Baseband Processing Hardware. In conjunction with the 4460 GSM System Option, the intersystem handover speeds up dual-mode tests, as it avoids the unnecessary call termination in one mode and resynchronisation and call set-up in the other mode.
4484 WCDMA Tracer Option
The 4484 WCDMA Tracer Option is an optional software tool which records the higher layer protocol messages between the Willtek 4400 Mobile Phone Tester Series and the Device Under Test (DUT) from layer 3 (RRC layer) down to layer 1 (physical layer). You can specify which messages should be displayed, view them on your PC and record a trace in a debug file, which is created and saved automatically.
 
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