N7631C Release Notes

Version	Release Date	License Version
6.2	Jan 2021	2021.0201
6.0	Jul 2020	2020.0730
5.0	Jan 2020	2020.0130
4.0	Aug 2019	2019.0801
3.0	Jan 2019	2019.0130
2.0	Jul 2018	2018.0730
1.0	Feb 2018	2018.0201

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6.2 - Jan 2021, 2021.0201

Enhancements

• Support DL-SCH rate matching around the scheduling DCI

• PUCCH enhancements:

  • Support UCI on PUCCH for Format 2/3/4

  • Support SR-only transmission for Format 0/1

• Add UL FR1_70M in carrier Bandwidth selection and UL full-filled/FRC/CommonConfig dialogs

• Add continuous PN9 payload data for DL Test Model

• Added live connectivity support for the M9415A VXT

• VSA setx file exportation now supports 89600 VSA2021 release

Bug Fixes

• Fixed the issue that auto sampling rate was not sufficient for some multi-carrier cases

• Fixed the issue that failed to generate PRACH signal with configuration index is 43

• Fixed the issue that Ncs is not correct when PRACH SCS = 5kHz in PRACH

• Fixed the issue that one extra point in RF blanking marker at the start of a TDD burst

• Fixed the issue that carrier power is higher than expected with CW and DFT-s-OFDM

• Fixed the issue that Full-filled preset to CC2 will change SSB location of CC1

• Fixed the crash when RB number is smaller than PTRS required

• Fixed the issue that TBS calculation is not correct for some corner cases

• Fixed the issue that PDSCH mapping is not correct when PDSCH is scheduled by DCI10 (CRNTI) in CORESET0 (but not Type0 search space)

• Fixed the issue that k_bar may not be correct for L_RA = 571&1151 in PRACH

• Fixed the issue that Incorrect TPMI table is used

• Fixed the exception issue for some cases when LTE-CRS is enabled

• Fixed the conflict check issue for extended CP

• Fixed the incorrect short waveform length issue when sample rate is 7.68M

• Fixed the exception for some PDSCH+CSIRS case

• Fixed the issue that PUCCH DMRS is incorrect when the number of symbols is odd

• Fixed the issue that m0 is not always 0 for PUCCH format 3

• Fixed the issue that CSI-RS is incorrect for some rate-matching case

• Fixed the issue that n_hop is always 0 for PUCCH format 0

6.0 - Jul 2020, 2020.0730

Enhancements

• Added the following REL-16 PHY capabilities for different carriers/channels:

  • NR-U (for Unlicensed Spectrum)

  • eMIMO (Enhanced MIMO)

  • eDSS (Enhanced Dynamic Spectrum Sharing)

  • NR Positioning

• Updates to pre-defined configurations:

  • Added NR-FR2-TM 2a, 3.1a with 256QAM

  • Updated FR2 NR-TM 2, and 3.1 to add selection between QPSK, 16QAM, and 64QAM

  • DCI/DL-SCH payload changed to PN23

• Updates to UL SRS:

  • Support multiple SRS in single carrier

  • Support inter-slot hopping

• Miscellaneous updates:

  • Added RateMatchPattern editor to define RB not available for PDSCH

  • Added Power Definition Type to DL carrier with selection between Total Power (default) and SS-RSTP

  • Updated DL-SCH/UL-SCH DMRS ports to use all available antenna ports by default

  • Improved the waveform sample rate so that it is not limited to increment by powers of 2 only

• Added live connectivity for M9410A/M9411A VXT up to 4x MIMO

• Added PTRS support when Transform Precoding is enabled for Real-Time capability on MXG/EXG

Bug Fixes

• Fixed an issue in UCI multiplex ULSCH when UL-SCH Enabled is off and CDM Group is one

• Fixed an issue that Data mapping is incorrect when TP on and L_PTRS is not 1

• Fixed an issue that PTRS of DLSCH is incorrect for case of DMRS ports is not 0

• Fixed an issue that rate matching calculation is wrong for some UCI multiplexing PUSCH cases

• Fixed an issue that Reserved is not handled correctly for UCI Multiplex when UL-SCH is off

• Fixed a crash for a Multi-frame signal generation case

• Fixed an issue that incorrect TBSize when checking conflict between PDSCH and CORESET for PDSCH mapping type B case

• Fixed an issue that PDSCH coded size calculation is incorrect when there is more than one CSI-RS

• Fixed an issue that UL FRC should not be allocated to special slot for TDD duplexing

• Fixed an issue that the filter delay is incorrect when using short filter for TP enabled case

• Fixed an exception when waveform generation is cancelled after one carrier is done for multi-carrier case

• Fixed issues that PDSCH rate match around CSI-RS is not correct for some cases

• Fixed issues that filter is not working well for some cases

5.0 - Jan 2020, 2020.0130

Enhancements

• Updated licensing behavior with newly added Playback License Mode parameter

• Added support for live connectivity to the M9383B VXG-m and M9384B VXG

• LTE co-existence for DSS (Dynamic Spectrum Sharing)

• Added PN31 for payload data

• 1 slot-length waveform generation

• Arbitrary waveform based AWGN

• Added support to generate multi-carrier 89600 setup file

• Pre-defined configurations enhancements:

  • Updated to latest gNB test spec TS38.141 v15.4.0 (2019-12)

  • New PUCCH test configuration for gNB Rx Test (Ch.8)

  • New downlink FRC configuration for UE Rx Test

  • Added Duplex mode parameter (FDD/TDD) and TDD configuration parameters

  • Added Phase Compensation parameter

• PUCCH enhancements:

  • Intra-slot frequency hopping for PUCCH format 0/2

  • Inter-slot frequency hopping for PUCCH format 1

  • Repetition for PUCCH format 1/3/4

  • Longer payload data for PUCCH format 0/1

• Real-time uplink enhancements:

  • 2x2 MIMO (requires 2x MXG)

  • PTRS support

  • Keep uplink parameter values when switching form Waveform Playback to Real-Time Uplink

Bug Fixes

• Fixed the bug where the PRACH carrier was not properly normalized

• Fixed the issue where ALC and RF blanking marker only applied to 1st half of waveform for PUCCH

• Fixed the incorrect VRB2PRB mapping bit in DCI format 1_1 for RAType0

• Fixed the incorrect DMRS mapping for the case that DL-SCH collided with CORESET for PDSCH mapping type B

• Fixed the bug where PN15 and PN23 were incorrect

• Fixed the bug where the baseband filter would make EVM bad when sample rate was large

• Fixed the EVM spike issue for DFT-S-OFDM signal

4.0 - Aug 2019, 2019.0801

Enhancements

• Updated software to support 3GPP Version 15.6.0 (2019-06)

• Added real-time uplink capability, enabling IQ waveform generation inside connected instrument. HARQ feedback received from AUX port for loop back test.

• Added support for continuous wave carriers

• Added support for real-time phase compensation, including remote SCPI control

• ARB DL Test Model updates

• ARB UL FRC updates

• Added support for live connection to the N5166B CXG

Bug Fixes

• Fixed the issue where PDCCH Cinit was not correct for extended CP case

• Fixed the issue of an N_slot_symbol in Cinit of CSI-RS for extended CP

• Fixed the issue of an incorrect RB location for PTRS

• Fixed the issue where the mapping for some PTRS cases was not correct

• Fixed the crash that occurred when two UL PTRS ports were configured

• Fixed the issue where PTRS resource mapping was not correct regarding 'k' reference

• Fixed the issue where the data should not have been mapped to DMRS symbols when UL-SCH was off for UCI multiplex case.

• Fixed the crash that occurred when hopping with CSI1 was on and CSI 2 was off for UCI multiplex on UL-SCH

• Fixed the issue where the rate matching output size for CSI2 was incorrect when UL-SCH was off and HARQ was less than 2 and CSI2 was on for UCI multiplex case

• Fixed the issue where SSB-only signal with boosting did not have ALC marker placed correctly

• Fixed the issue where there were power gaps for multiple BWPs case

• Fixed the issue where the resource allocation conflict warning was only shown in the selected frame

• Fixed the crash that occurred when specifying DCI allocated slots with tag

• Fixed the issue where SRS "v" calculating for sequence hopping was incorrect for some test cases

3.0 - Jan 2019, 2019.0130

Enhancements

General

• Aligned with 3GPP 5G NR RAN1 spec v15.4 (2018-12)

• Different configurations for multiple frames

• Partial frame generation by specifying Offset/Number of Subframes

• Automatically set the frequency offsets for multi-carriers signal

• Cancelation when waveform generation is in progress

• More parameters for ‘Full-filled Config’ of Downlink/Uplink carriers

• CORESET configuration

  • Added CORESET ID: default CORESET ID for normal BWP starts from 1 and the CORESET ID for Initial BWP is fixed to 0

  • Added Frequency Domain Bitmap to specify the RB allocation of CORESET and removed ‘RB Offset’ and ‘RB Number’ in CORESET

  • Added Precoder Granularity parameter to config the PDCCH DMRS mapping

• MIMO configuration support when generating 89600 setup file

• ‘Copy’ action for Channel and BWP setups

• Power boosting for PDCCH/PUCCH DMRS

• Cell ID auto increment when adding new carrier

Downlink Carrier

• Test Model configurations based on latest TS38.141

• DL-SCH

  • HARQ support by using multiple DL-SCH

  • Interleaved VRB-to-PRB Mapping

  • CORESET ID for Rate-Matching

  • MCS Table 5.1.3.1-3

  • TB Scaling Factor

• DCI

  • "Auto DCI" to support generating DCI format 1_0 and 1_1 with auto DL-SCH scheduling

  • Update CORESET selection to have CORESET0 as a special CORESET not belonging to any BWP and BWP now be part of CORESET selection

  • Search Space: removed the limitation that only Common Search Space is supported for CORESET0

• SS/PBCH

  • New MIB parameters: ‘cellBarred’ and ‘intraFreqReselection’

  • PSS Power Boosting

• CSI-RS

  • Remove the couplings between FirstSymbol and FirstSymbol 2

  • Updated range of FirstSymbol

Uplink Carrier

• More FRC configurations based on latest TS38.141

• Common Uplink configurations based on TS38.521

• UL-SCH

  • HARQ support by using multiple UL-SCH

  • Frequency Hopping

  • MCS Table 5.1.3.1-3 and 6.1.4.1-2

• SRS

  • Added BWP selection instead of selecting Numerology

  • Updated the range of n_ID_SRS

  • Removed delta_ss parameter

PRACH Carrier

• Support multi-burst PRACH based on Configuration Table and Configuration Index defined in latest spec

• PRACH Test Preamble configurations based on latest TS38.141

Bug Fixes

• Fixed an issue that the calculation for "v" was incorrect for SRS when Sequence Hopping was on

• Fixed an issue that DFT-S-OFDM waveform with double-symbol DMRS was incorrect

• Fixed an issue that 2-bit ACK encoding was incorrect for UCI on PUSCH

• Fixed an issue that the mapping of pi/2-BPSK for PUCCH format 3&4 was incorrect

• Fixed a crash caused by PUCCH configuration with two code blocks used for Polar coding

• Fixed a crash caused by adding an eighth DCI to a configuration

• Fixed a generation failure when both user-defined Sample Rate and CFR were turned on with a configuration

• Fixed an issue that TRS (CSI-RS) p0 could not be mapped to multiple antennas

2.0 - Jul 2018, 2018.0730

Enhancements

General

• Aligned with 3GPP spec v15.2 (2018-06)

• Baseband Filter

• Phase compensation for transmitted RF frequency in waveform generation

• Bandwidth parameter and full-filled configurations

• Support multiple numerologies and BWPs in single carrier

• MIMO: generate multiple waveforms for multiple antenna ports, support 2 and 4 MXGs HW connections.

• Support exporting .setx file for 89600/VSA software 5GNR demodulation

• FRC quick setups

Downlink Carrier

• CSI-RS

• PBCH MIB generation

• Support DL-SCH Resource allocation overlapping with SSBlock

• RMSI-PDCCH-Configuration support with Initial BWP

• PTRS for PDSCH

• RA type 0 for PDSCH

Uplink Carrier

• PUCCH format 1, 2, 3 and 4.

• UCI multiplexed on PUSCH

• Transform Precoding for PUSCH

• PTRS for PUSCH

• RA type 0 for PUSCH

1.0 - Feb 2018, 2018.0201

Initial Release Features

• Support PHY capabilities for L1 and component test based on v15.0.0 of 3GPP NR PHY standards (TS 38 series)

  • Variable numerology for different subcarrier spacing: 15 kHz, 30 kHz, 60 kHz with normal/extended CP, 120 kHz, 240 kHz

  • Downlink channels: PSS/SSS/PBCH, PDSCH, PDCCH

  • Uplink channels: PRACH, PUSCH, PUCCH (format 0), SRS

  • Carrier aggregation

  • Transport channel coding: LDPC and polar coding

  • Multi-antenna transmission for uplink and downlink

  • Multi-user channels support

• Support flexible signal configuration

  • Graphical display for frame resource allocation

  • Crest factor reduction

  • Arbitrary sampling rate

• .NET programming API

• Hardware connectivity to Keysight signal generators and arbitrary waveform generators. For example, MXG, VXT, M8190A, and so on.