Key facts
The 5G NR software option simplifies the uplink and downlink in 5G NR signal configurations. It supports all the waveforms, channel bandwidths, modulation schemes and numerology options specified in the standards. The intuitive GUI allows many parameters (multiple bandwidth parts or MIMO precoding) to be configured directly on the instrument or desktop with WinIQSIM2.
Context-sensitive help menu, presets for downlink test models, uplink FRCs and a graphical timeplan of configured signals make for a fast and efficient workflow.
A test case wizard helps with the easy set up of base station tests.
Intermediate signal generation chain results can be easily logged for debugging.
For "beyond 5G" testing, several parameters can be configured to "non-standardized" settings.
Flexibly configure 5G New Radio physical layer
The 5G NR software options implement the physical layer in line with 3GPP Release 15, 16, 17 and 18. The software supports all downlink and uplink physical channels, multiple bandwidth parts with mixed numerology and important physical layer features such as channel coding, scrambling, multiplexing of data and control information. The option provides standard-compliant signals to test components, modules, receivers and base stations.
Main menu (downlink)
Easily configure MIMO signals and up to 16 component carriers for carrier aggregation (CA)
The 5G NR software options provide full spatial multiplexing (MIMO) and transmit diversity support with flexible antenna port mapping. The intracarrier and intercarrier aggregation of up to 16 component carriers can be configured, including cross-carrier scheduling.
Up to 10 scheduled users can be configured for realistic receiver tests.
Carrier aggregation dialog
The test case wizard supports test signal configuration in line with 3GPP TS 38.141-1 as required for base station compliance testing. It offers a selection of predefined settings for wanted and interfering signals in line with defined test cases. The closed-loop base station test option also enables dynamic changes to the 5G NR uplink test signals needed for the HARQ feedback tests described in Section 8.
Test case wizard main dialog
The quick settings menu simplifies 5G NR signal generation for component testing. Important parameters such as channel bandwidth, subcarrier spacing, modulation and resource block allocation can be changed with a single click. The TDD slot allocation includes a special slot that can be configured with a graphical display.
Quick settings menu
The flexibility of the 5G NR physical layer in frequency and time domains can make setting a specific output power challenging. Different modes are available to define the method for calculating signal power. This allows accurate PRACH measurements, since the reference bandwidth is automatically configured. Signals with a certain target crest factor can be directly configured (requires CFR option).
Power mode settings
Log files for design verification and enhanced debugging
Logging points are provided to capture intermediate results from the signal processing chain (including forward error correction) which can be stored as bitstream or I/Q sample files. This enables designers to verify their receiver and transmitter software implementations on the 5G NR physical layer and obtain insights into enhanced debugging.
Log points for log file generation
Support of "non-standardized" settings
Modification of various parameters to "non-standardized" configurations can be enabled with a separate option. The modifications are included for channel bandwidth, subcarrier spacing or cyclic prefix. Modulation format supports up to 16k QAM or even customer-defined constellations for PxSCH allocations.
User defined constellation points for PDSCH
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