Question on Timeline for Handover Support in 5G-LENA
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Bara Sabbah
Feb 11, 2026, 8:39:22 AMFeb 11
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Dear 5G-LENA development team,
I’m currently working on my master’s thesis where handover functionality is essential.
Could you please indicate when handover functionality might realistically be available in 5G-LENA, even in an early or experimental version?
Thank you very much in advance for your support.
Best regards,
Bara Sabbah
Bara Sabbah
Gabriel Ferreira
Feb 11, 2026, 12:11:39 PMFeb 11
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Target is next release. In a month or two.
Surabhi Karandikar
Apr 6, 2026, 12:13:34 PMApr 6
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Hi, is the next release out that Gabriel mentioned, which will include the handover functionality?
Sincerely,
Surabhi Karandikar
Gabriel Ferreira
Apr 6, 2026, 12:26:41 PMApr 6
to 5G-LENA-users
It is not. Should be done by the end of the month.
I've created an issue tracking pending features needed for the release
Surabhi Karandikar
Apr 6, 2026, 12:29:56 PMApr 6
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Sounds good, thank you so much!
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Bara Sabbah
Apr 7, 2026, 6:13:11 AMApr 7
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Hi Mr. Ferreira,
I just read your comment on the commit "doc: Add a short passage on handover support and current limitations" , where you mention that “tests were performed with TDD.”
Does this mean that the handover functionality planned for the end of the month will only support TDD, or will FDD also be supported?
Thanks in advance,
Bara
I just read your comment on the commit "doc: Add a short passage on handover support and current limitations" , where you mention that “tests were performed with TDD.”
Does this mean that the handover functionality planned for the end of the month will only support TDD, or will FDD also be supported?
Thanks in advance,
Bara
Gabriel Ferreira
Apr 7, 2026, 6:25:05 AMApr 7
to 5G-LENA-users
It means exactly what is written: to that particular commit, it was tested with TDD, all flexible slots, with ideal RRC.
The plans for this release are on my previous response.
The plans for this release are on my previous response.
Surabhi Karandikar
Apr 30, 2026, 11:38:02 AM (12 days ago) Apr 30
to 5G-LENA-users
@Gabriel, is the release with HO features out? As it was expected by the end of this month (i.e., by today)? If not, is there any release date planned?
Any update regarding this is really useful for my current work and decisions.
Sincerely,
Surabhi Karandikar
Gabriel Ferreira
Apr 30, 2026, 11:49:02 AM (12 days ago) Apr 30
to 5G-LENA-users
The code is already available on nr-master. We are still working on it, so there may be unknown bugs, on top of the known limitations.
As for the release date, we need to wait for ns-3.48 release (end of May) which includes patches required not to break the simulation due to precoding matrix dimension mismatches.
Otherwise you can only use SISO, which defeats the purpose.
As for the release date, we need to wait for ns-3.48 release (end of May) which includes patches required not to break the simulation due to precoding matrix dimension mismatches.
Otherwise you can only use SISO, which defeats the purpose.
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