S4-260241 - AI Proposals

On complexity estimation of ULBC

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Proposal

The source proposes to define a computational complexity metric by counting

  • WMOPS for the DSP‑based components,
  • MAC for the ML‑based components, and
  • combine those to a common value according to WMOPS + w · MACs, where w is a ML weighting factor

Finally, a maximum value needs to be defined as computational complexity limit in design constraints. Based on this principle, a similar metric can be defined for memory counting.

Document Information
TDoc:
S4-260241
Source:
Fraunhofer IIS
Type:
pCR
For:
Discussion
Original Document:
View on 3GPP
Title: On complexity estimation of ULBC
Agenda item: 7.8
Agenda item description: FS_ULBC (Study on Ultra Low Bitrate Speech Codec)
Doc type: pCR
For action: Discussion
Release: Rel-20
Specification: 26.94
Version: 0.5.1
Related WIs: FS_ULBC
Spec: 26.94
Contact: Markus Schnell
Uploaded: 2026-02-03T22:37:07.760000
Contact ID: 72605
Revised to: S4-260432
TDoc Status: revised
Reservation date: 03/02/2026 21:00:16
Agenda item sort order: 20