公开(公告)号：US20250055795A1

公开(公告)日：2025-02-13

申请号：US18794552

申请日：2024-08-05

Applicant: Mavenir Systems, Inc.

Inventor： Sayee Kompalli ,  Mukesh Taneja ,  Sunil Kaimalettu

IPC: H04L47/11 ,  H04L47/2408

Abstract: A method for optimizing Control Unit (CU)-Distributed Unit (DU) flow control to detect congestion over midhaul and take corrective action to reduce packet dropping in the midhaul includes: computing, by DU, desired data rate (DDR) for each data radio bearer (DRB); and sending, by the DU, the DDR every time when desired buffer size (DBS) is sent from DU to CU user plane (CU-UP), along with Downlink Data Delivery Status (DDDS). DU computes DDR for a DRB as follows: DDR=TBS(MCS″, prb″, rank)*(number of slots/subframe in 1 sec)*(beta)*(beta_drb), with TBS being the Transport block size computation, and MCS″=min {(current MCS+MCS_step), MCSmax}.