Title:
DELTA CONFIGURATION IN SPLIT CU-DU RAN ARCHITECTURE
Document Type and Number:
WIPO Patent Application WO/2019/139517
Kind Code:
A1
Abstract:
Embodiments include exemplary methods and/or procedures performed by a central unit, CU, (110) that together with first and second distributed units, DUs (120, 130), comprise a node (100, 1160) of a wireless communication network. Embodiments include receiving (830) from the first DU, prior to occurrence of a first event concerning a user equipment, UE, (1110) that is in communication with the first DU, a lower-layer configuration of the UE. Embodiments also include storing (840) the lower-layer configuration of the UE, and sending (870), to the second DU, a setup request comprising the stored lower-layer configuration of the UE. Embodiments also include receiving (880), from the second DU, a setup response comprising a first delta configuration indicating one or more differences between a lower-layer configuration of the second DU and the stored lower-layer configuration. Embodiments also include sending (890), to the first DU, a modification request comprising the first delta configuration. Other embodiments include corresponding methods and/or procedures performed by first or second DUs, as well as CUs or DUs configured to perform operations of the exemplary methods and/or procedures.
Inventors:
CENTONZA ANGELO (SE)
FIORANI MATTEO (SE)
MÜLLER WALTER (SE)
FIORANI MATTEO (SE)
MÜLLER WALTER (SE)
Application Number:
PCT/SE2018/051271
Publication Date:
July 18, 2019
Filing Date:
December 11, 2018
Export Citation:
Assignee:
ERICSSON TELEFON AB L M (SE)
International Classes:
H04W36/00; H04W76/15; H04W80/00; H04W88/08
Other References:
"3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NG-RAN; Architecture description (Release 15)", 17 December 2017 (2017-12-17), XP051364824, Retrieved from the Internet
"3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and NR; Multi-connectivity; Stage 2 (Release 15)", 8 January 2018 (2018-01-08), XP051385530, Retrieved from the Internet
"3rd Generation Partnership Project; Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA) and NR; Multi-connectivity; Stage 2 (Release 15)", 8 January 2018 (2018-01-08), XP051385530, Retrieved from the Internet
Attorney, Agent or Firm:
AYOUB, Nabil (SE)
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