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RFmx LTE 20.6 Bug Fixes


The following items are notable issues fixed between the release of RFmx LTE 20.0 and RFmx LTE 20.6, including additional patches and service packs. If you have an issue ID, you can search this list to validate that the issue has been fixed. This is not an exhaustive list of issues fixed in the current version of RFmx LTE.

Bug Number

Legacy ID




Reported Value of LTE OFDM Symbol Tx Power is Lower Than the Expected Value When Measurement Interval is More Than 1 Slot

When measured for one slot , ModAcc:Results:Downlink:OFDM Symbol Tx Power (dBm) reports the correct value. But when measured for two slots the reported value is 3dB lower. According to 3GPP, OFDM Symbol Tx Power is the power of 4th symbol in a given subframe(14 symbols).


There is currently no known workaround for this issue.

Reported Version:

RFmx LTE/LTE-Advanced TDD/FDD: 20.0

Resolved Version:

RFmx LTE/LTE-Advanced TDD/FDD: 20.6



Additional Patch Information

Installing some patches may require certain additional steps or considerations. Please refer to the following table for more information about patches for this release.

These patches currently do not have any special instructions.

Glossary of Terms


  • Bug ID - When an issue is reported to NI, you may be given this ID or find it on  You may also find IDs posted by NI on the discussion forums or in KnowledgeBase articles.
  • Legacy ID – An older issue ID that refers to the same issue.  You may instead find this issue ID in older known issues documents.
  • Description - A few sentences which describe the problem. The brief description given does not necessarily describe the problem in full detail.
  • Workaround - Possible ways to work around the problem.
  • Reported Version - The earliest version in which the issue was reported.
  • Resolved Version - Version in which the issue was resolved or was no longer applicable. "N/A" indicates that the issue has not been resolved.
  • Date Added - The date the issue was added to the document (not the reported date).