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TS 36.465
E-UTRAN and WLAN – Xw Interface –
User Plane Protocol

3GPP‑Page ETSI‑search fToC_↓ Partial Content _→

V19.0.0 (PDF) 2025/09 17 p.

V18.0.0 2024/03 17 p.

V17.0.0 2022/03 17 p.

V16.0.0 2020/06 17 p.

V15.0.0 2018/06 17 p.

V14.3.0 2018/06 17 p.

V13.2.0 2017/09 16 p.

Rapporteur:: Dr. Han, Jaemin
Intel Technology India Pvt Ltd

full Table of Contents for TS 36.465 Word version: 19.0.0

each clause number in 'red' refers to the equivalent title in the Partial Content

Scope p. 5

References p. 5

Definitions and abbreviations p. 5

3.1	Definitions p. 5
3.2	Abbreviations p. 6

General p. 6

4.1	General aspects p. 6

Xw user plane protocol p. 6

General p. 6

Xw user plane protocol layer services p. 6

Services expected from the Xw Transport Network Layer p. 7

Elementary procedures p. 8

Transfer of Downlink User Data p. 8

5.4.1.1	Successful operation p. 8
5.4.1.2	Unsuccessful operation p. 8

Downlink Data Delivery Status p. 8

5.4.2.1	Successful operation p. 8
5.4.2.2	Unsuccessful operation p. 9

Elements for the Xw user plane protocol p. 10

General p. 10

Frame format for the Xw user plane protocol p. 11

5.5.2.1	DL USER DATA (PDU Type 0) p. 11
5.5.2.2	DL DATA DELIVERY STATUS (PDU Type 1) p. 12

Coding of information elements in frames p. 13

5.5.3.1	PDU Type p. 13
5.5.3.2	Spare p. 13
5.5.3.3	Xw-U Sequence Number p. 13
5.5.3.4	Lost Packet Report p. 13
5.5.3.5	Final Frame Indication p. 13
5.5.3.6	Highest successfully delivered Xw-U Sequence Number p. 13
5.5.3.7	Desired buffer size for the E-RAB or UE p. 14
5.5.3.8	Minimum desired buffer size for the UE p. 14
5.5.3.9	Number of lost Xw-U Sequence Number ranges reported p. 14
5.5.3.10	Start of lost Xw-U Sequence Number range p. 14
5.5.3.11	End of lost Xw-U Sequence Number range p. 14
5.5.3.12	Padding p. 14

Timers p. 14

Change History p. 15