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Proposal for IEC GOOSE transport in 5G networks
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science (from 2013). (Distributed Systems and Communications Research Group (DISCO))
Ericsson AB.
Ericsson AB.
2018 (English)Report (Other academic)
Abstract [en]

Smart grid control systems have special latency and performance requirements on the underlying communication network. In 3GPP, such requirements are typically served by the so-called Critical Machine Type Communication (C-MTC) network slice. Generic Object Oriented Substation Events (GOOSE, IEC 61850-8.1) is a protocol used in power substation automation. GOOSE is a layer 2 protocol that operates via multicast over Ethernet which allows Intelligent Electronic Devices (IEDs) to exchange data horizontally between the bays within substation and between the substations, especially for interlocking, measurement and tripping signals. 3GPP 5th generation of mobile networks (5G) will support a variety of services, including Massive Machine-Type Communications (M-MTC) and Ultra-Reliable Low Latency Communications (URLLC) differentiated by the latency and reliability requirements. GOOSE is used by C-MTC in smart grid power substations, which can be a part of URLLC in 5G IoT networks.

Experiments so far proposed to tunnel GOOSE messages in 4G Evolved Packet Core (EPC) bearers, in an IP tunnel. In this paper, we will motivate the idea of transporting GOOSE over user plane by tunneling via Ethernet over Generic Routing Encapsulation (EoGRE) and 3GPP Non-IP Data Delivery (NIDD), which will follow 3GPP standardization on 5G Standalone (SA), where the transfer latency and reliability will be governed by 5G URLLC. For 5G Non-Standalone (NSA) networks, GOOSE communication involves 5G to Long Term Evolution (LTE) interworking, LTE protocol adaptation from GTP-U/UDP to GRE on S1-U has been realized and deployed in LTE networks. In addition, to reach the right performance level, we propose a GOOSE Gateway (GW) including a 5G Modem to create unicast GOOSE messages to be transmitted over 5G networks. A congestion control algorithm, e.g. Explicit Congestion Notification (ECN), is required in the data link layer (congestion control is supposed to be solved by multicasting in the original Virtual Local Area Network (VLAN) setup). In 3GPP Release 15 standardization, ECN is proposed to be implemented by Low Latency, Low Loss, Scalable Throughput (L4S) congestion control in 5G-NodeB, 5G User Equipment (UE) and other entity. GOOSE messages could share the same ECN congestion control mechanism.

The main contributions from this paper are: (1) Analyzed and compared GOOSE over Ethernet and GOOSE over IP. (2) Introduced a new logic to optimize GOOSE traffic on EPC user plane via non-IP Packet Data Network (PDN) data type in the 5G network. (3) Suggested to implement GOOSE GW to aggregate and unicasting GOOSE messages effectively between the substations, and to add congestion control by using ECN mechanism in 5G-NodeB and by implementing the pushback/reaction point in GOOSE GW. 

Place, publisher, year, edition, pages
Karlstads universitet, 2018. , p. 26
Series
Arbetsrapport
Keywords [en]
GOOSE, C-MTC, IED, 5G, IEC 61850
National Category
Telecommunications
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kau:diva-68685ISBN: 978-91-7063-961-6 (electronic)OAI: oai:DiVA.org:kau-68685DiVA, id: diva2:1237620
Projects
HITS
Funder
Knowledge FoundationAvailable from: 2018-08-09 Created: 2018-08-09 Last updated: 2018-08-09

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Cheng, Jun

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