NPL Governance and Management Audit
NPL's mandate is to provide nutritious meals to designated school children efficiently. An audit was conducted to assess procurement practices, resource management, and compliance with regulations to ensure value for money and good governance. The audit scope included production, distribution, procurement, quality standards, and strategic oversight of NPL's operations.
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November 2020 doc.: IEEE 802.11-20/1645r1 The original figures in the draft technical report on interworking between 3GPP 5G network and WLAN Date: 2020-11-01 Authors: Name Affiliations Address Phone email Gajeongro 218 Yusunggu Daejeon, Korea Tencent Building, Kejizhongyi Avenue, Hi-tech Park, Nanshan District, Shenzhen Hyun Seo OH ETRI +82.42.860.5659 hsoh5@ieee.org +86-755- 86013388 Harry Hwang Tencent harryhwang@tencent.com Hyun Seo OH (ETRI) Submission Slide 1
doc.: IEEE 802.11-20/1645r1 Abstract This is the new figure 1 and the modified figures 3 and 4 regarding interworking reference model shown in IEEE 802.11 AANI contribution Draft technical report on interworking between 3GPP 5G network and WLAN(IEEE 802.11-20/013r7) . Slide 2 Hyun Seo OH (ETRI) Submission
doc.: IEEE 802.11-20/1645r1 Network Interface Wireless Interface Data Network 3GPP 5G Core Network Access Network Terminal Fig. 1 Overview of interworking reference model Submission
doc.: IEEE 802.11-20/1645r1 UE 5G Access Network Interface 3GPP Access 3GPP Access Network Data Network 3GPP 5G Core Network STA WLAN Access WLAN Access Network WLAN Access Terminal Fig. 2 Overview of WLAN Interworking with 3GPP 5G core network Submission
doc.: IEEE 802.11-20/1645r1 5G Access UE 5G Access Network Network Interface 3GPP Access Data Network 3GPP Access AMF 3GPP 5G Core Network WLAN Access STA WLAN Access WLAN Access Terminal Fig. 3 Tightly coupled interworking reference model between 5G core network and WLAN Submission
doc.: IEEE 802.11-20/1645r1 UE 5G Access Network Interface 3GPP 5G Access Network 3GPP Access 3GPP 5G Core Network Data Network AMF STA WLAN Access N3IWF WLAN Access TNGF WLAN Access Network Terminal STA WLAN Access Terminal Fig. 4 Loosely coupled interworking reference model between 5G core network and WLAN Submission
doc.: IEEE 802.11-20/1645r1 N1 N1 N15 UE N11 N7 N2 PCF Access SMF 3GPP Access 3GPP Access Network AMF N2 N4 NWu WLAN Access Network STA R8 R9 ANC TEC N3 N3IWF UFP R1 R3(Y2) WLAN Access Data Path TEI 3GPP 5G Core Network Fig. 5 Untrusted WLAN interworking reference model with 5G core network Submission
doc.: IEEE 802.11-20/1645r1 N1 N1 N15 UE N11 N7 N2 PCF Access SMF 3GPP Access 3GPP Access Network AMF N2 N4 NWt WLAN Access Network STA R8 R9 ANC TEC N3 TNGF UFP R1 R3(Ta) WLAN Access Data Path TEI 3GPP 5G Core Network Fig. 6 Trusted WLAN interworking reference model with 5G core network Submission
doc.: IEEE 802.11-20/1645r1 N1 signal NWu signal NAS NAS Relay EAP-5G EAP-5G IKEv2 IKEv2 N2 stack N2 stack IP IP IP Lower layers Lower layers Non-3GPP Non-3GPP Untrusted non-3GPP access network N3IWF UE AMF Nwu N2 R9 Interface Fig. 7 Control plane between STA and N3IWF(3GPP TS 23.501) Submission
doc.: IEEE 802.11-20/1645r1 WLAN Access Network N3IWF Ethernet protocol Fig. 8 R3 Interface Submission
doc.: IEEE 802.11-20/1645r1 WLAN Access Network STA N3IWF IP address allocation IKE-SA-INIT Request/Response IKE AUTH-Request IKE AUTH-Request/Response IKE AUTH-Request/Response IKE AUTH-Request/Response IPsec SA completed Fig. 9 NWu Interface Submission
doc.: IEEE 802.11-20/1645r1 WLAN Access Network STA N3IWF AMF IPsec SA is completed NAS signaling Fig. 10 N1 Interface Submission
doc.: IEEE 802.11-20/1645r1 July 2019 NWu signal Data Packet PDU Layer PDU Layer Relay Relay GRE GRE Inner IP Inner IP IPsec IPsec N9 stack N3 stack N3 stack N9 stack (tunnel mode) (tunnel mode) IP IP IP Lower layers Lower layers Non-3GPP Non-3GPP UPF (PDU Session Anchor) Untrusted non-3GPP access network N3IWF UE UPF Nwu N3 N9 R3 Interface Fig. 11 Data plane between STA and N3IWF(3GPP TS 23.501) Slide 13 Submission
doc.: IEEE 802.11-20/1645r1 SMF QoS DRB QoS Profile Packet Scheduling Packet Scheduling N3IWF Data rate Latency PER Packet size Data rate Latency PER Packet size STA AP WLAN Access Data Path UPF TEI 3GPP 5G Core Network Wireless Access Fig. 14 QoS mapping and scheduling example of WLAN Submission
doc.: IEEE 802.11-20/1645r1 TSN Domain TSN Domain Master Station End Station TT UE 5G AN 5G CN TT TSN Bridge Fig. 15 TSN Bridge using 5G AN and CN Submission
doc.: IEEE 802.11-20/1645r1 TSN Domain TSN Domain Master Station End Station TT STA WLAN AN 5G CN TT TSN Bridge Fig. 16 TSN Bridge using WLAN and 5G CN interworking Submission
doc.: IEEE 802.11-20/1645r1 TSN Domain TSN Domain Master Station End Station TT STA WLAN AN TT TSN Bridge Fig. 17 TSN Bridge using WLAN only Submission
