S1 Interface 3gpp

Each one of them is built in standardised way described by 3GPP. 423 X2-U: 3GPP TS 38. Primarily a part of the 3G Mobile Communication Technology and defined as a collective term for the BTS and Radio Network Controllers which make up the UMTS radio access network. S1 interface: interface between eNB and EPC (36. The 4G standard provides. An S1 handover is a fallback for scenarios where X2 interface is not available. Narrowband Internet of Things Whitepaper As part of Release 13, 3GPP has specified a new radio interface, the Narrowband Internet of Things (NB-IoT). Siemens 6av6647-0af11-3ax0 6av6 647-0af11-3ax0 Simatic Hmi Ktp1000 Basic. The present document describes how the S1-AP signalling messages are transported over S1. SGs is an interface between the MME and MSC server. Collectively the S1-MME and S1-U interfaces are known as the S1 interface, which represents the interface from eNB to. Load Balancing TAU Required: The action is requested for all load balancing and offload cases in the MME. S1 data plane stack to support S1 user plane interface with eNodeB S4 data plane stack to support S4 user plane interface between RNC of UMTS and SGW of eNodeB Sxa: since 3GPP Rel. 726 Trusted or physically protected is not further defined within the 3GPP specification. Example traffic. Objectives Upon completion of this chapter, you should be able to Describe the SGSN-to-GGSN interface. PMIP variant is used to support non-trusted 3GPP network access. An interesting part of LTE S1 handovers is the indirect tunnel that is established to carry the downlink data during the handover process. The E-UTRAN network interfaces are open standards defined by 3GPP. S1-MME LTEUu X2 S1-U. S1 MME, S1-U, S3, S4, S5, S6a, Gx, S11, SGi etc. interface S1 avec le réseau cœur. 401 - 13: NOTE: In case the S1 management plane interfaces are trusted (e. S1 Interface: The S1 interface is the interface that separates the E-UTRAN and the EPC. 2) Basically this message confirms the creation of the Default Bearer, the reservation of the network resources for the traffic flowing over this bearer (if any). NG-C/U is the Control/User Plane interface toward NG-CN gNB: New Radio (NR) Base stations which shall have capability to interface with 5G Core named as NG-CN over NG-C/U (NG2/NG3) interface as well as 4G Core known as Evolved Packet Core (EPC) over S1-C/U interface. 3GPP work on the Evolution of the 3G Mobile System started with the RAN Evolution Work Shop, 2 - 3 November 2004 in Toronto, Canada. Son rôle est de minimiser la perte de paquets lors de la mobilité de l’usager en mode ACTIF (handover). NB-IoT is optimized for machine type traffic. The usage of PMIP or GTP on S5/S8 will not be visible over the S1 interface or in the terminal. This is an opportunity to learn and ask questions about how to configure and troubleshoot Cisco 3GPP Mobility solutions, specifically the Cisco ASR 5000 with. The Figure shows two service segments, S1 and C1. The 4G standard provides. Signalling Radio Bearers (SRB)SRB0 is for RRC messagesUsing the CCCH logical channelSRB1 is for RRC / NAS messagesUsed prior to the establishment of SRB2Using DCCH logical channelNAS messages may be piggybacked inside RRC messagesAll messages are Integrity Protected and Ciphered after security activationSRB2 is for NAS messagesUsing DCCH. In the Enhanced mode, the gNB and the UPF are SR-aware. The 3GPP support team (also known as the "Mobile Competence Centre") is located at the ETSI. Rel-8 LTE - 3G Long Term Evolution - Evolved Packet System RAN part. 003 , RFC 2915 , and RFC 3958(2. The S1 interface is specified at the boundary between the EPC and the E-UTRAN. The eNode B is connected to EPC nodes by S1 interface. - E-RAB Service Management function: Setup, Modify. The S1 interface can be categorized, more specifically, into S1-MME and S1-U. The signalling protocol for S1 is called S1-AP. In case the MME and S-GW are not found in the same physical entity, the S1 control plane interface (S1-MME) will connect the eNB and MME while the S1 user plane interface (here S1-U) will connect the eNB with the S-GW. For mission critical communica-tions, it is essential to ensure that the communication service is also pro-vided if the network or parts of it are congested. 3at) or optional [email protected] Power Output PoE (IEEE 802. The S1 interface includes the S1-CP (control) and S1-UP part (user plane). comprehensive, overview of the 3GPP Release 8 LTE network architecture and interfaces, showing how it can be deployed in an optimized and efficient manner. The IBM Tivoli Netcool/OMNIbus Generic Probe for the 3GPP Interface monitors devices that manage 3G telecommunication networks compliant with 3GPP standards and use a CORBA interface. Signalling Radio Bearers (SRB)SRB0 is for RRC messagesUsing the CCCH logical channelSRB1 is for RRC / NAS messagesUsed prior to the establishment of SRB2Using DCCH logical channelNAS messages may be piggybacked inside RRC messagesAll messages are Integrity Protected and Ciphered after security activationSRB2 is for NAS messagesUsing DCCH. Ro is a 3GPP reference point that describes the connection to the OCS from another. power class, frequency bands, etc). >50 octets) that it is undesirable to send it across the radio interface at every transition from ECM IDLE to ECM CONNECTED. 724 provide confidentiality on the S1 interface, but the specification goes on to note that if the S1 725 interface is trusted or physically protected, confidentiality protection is an operator option. The S1 and X2 interfaces are also already known from LTE. • Alternative 3C: Small cell connected to macro eNodeB via Xn-interface. The en-gNB (ng-eNB) is connected to the EPC (5GC) via the S1 (NG) interfaces. 425 TS Xn interface user plane protocol; Interface between RAN Node and Core Network (S1/NG) Similar to interface between RAN nodes, the interfaces between RAN nodes and Core network also differ for non-standalone and standalone operation. 246: Transparent end-to-end Packet-switched Streaming Service (PSS); 3GPP SMIL language profile: 30: TS 26. S1 interface: interface between eNB and EPC (36. Which 3GPP specs define the S10/S11 interfaces (protocols etc) ?? You have given the specs for the S5/S8 interface. Srinivasa Rao, Senior Architect & Rambabu Gajula, Lead Engineer The exploding growth of the internet and associated services has fueled the need for more and more bandwidth. Dynamic control of QoS can be triggered by application servers using a 3GPP Rx interface. The first NB-IoT specification provided the underlying air interface standard for an ultra-low complexity NB1 device class with a long battery life. 401, clause 5. The S1 Application Protocol (S1AP) supports the functions of S1 interface by signalling procedures defined in this document. Chih-Lin I S1-C S1-U S1-U NGC functional division and interface 9 3GPP architecture impacts to support network capability. , S1 is requested to be released in order to optimise the radio resources. Interface overview. Objectives Upon completion of this chapter, you should be able to Describe the SGSN-to-GGSN interface. The following interfaces are validated and made sure to work properly per 3gpp spec: S1-MME, S1-U, S11, S5, Gx, S6a/d, Gx, and Sy before the model is automated and run. X201 is like RNC - SGSN interface (Iu), X202 is like eNB – MME interface (S1-MME) SFF Discovery SFF Discovery via DNS query MS acquires the domain name via. Collectively the S1-MME and S1-U interfaces are known as the S1 interface, which represents the interface from eNB to the EPC. 3GPP中LTE的协议介绍 S1 Application Protocol (S1AP). solution at the Fa interface, illustrated in Figure 1. 413 version 12. 3GPP designing new non‐backwards compatible air interface and radio network architecture for 5G NR Air Interface NR Terminal Devices NR Radio Access Network New Physical Layer Design New non‐backwards compatible physical layer: waveform, multiple access scheme, …. 413 S1 -U eNB S GW 36. S1 interface in 3GPP LTE standard) for multi-homing purpose (e. This reference point is implemented procedure and NAS transport procedure. The S1 interface includes the S1-CP (control) and S1-UP part (user plane). 14, the Sx interface and the associated PFCP protocol was added to the PGW, allowing for the Control User Plane Separation between PGW-C and PGW-U. From protocol perspective, the same S1AP and X2AP protocols are used in HeNBs as well as macro eNodeBs. The main requirements for the new access network are high spectral efficiency, high peak data rates, short round trip time as well as flexibility in frequency and bandwidth. S1-U UE - eNB vBBU OAISIM S1 Open Air Interface. - a change of eNBs within SAE/LTE (Inter MME/Serving SAE-GW Handovers) via the S1 interface (with EPC involvement). Architecture [2, 3GPP 36. • Alternative 3C: Small cell connected to macro eNodeB via Xn-interface. 423 X2-U: 3GPP TS 38. S2a/S2c:- Reference Point between PGW and Trusted Non 3GPP access network. – The eNodeB is responsible for all radio- related functions. The the PPID for S1AP traffic is 18. 0 (2014-09) Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The S4 interface provides control and mobility support between GPRS Core and the 3GPP Anchor function of the Serving GW. shows the interaction that exist between the NF services in the network functions described by point-to-point reference point (e. 5G Air Interface Millimeter Wave (mmW) and LTE Demo Featured Technologies •mmW integration with LTE in non-standalone mode • mmW indoor mobility • mmW beam management • Beam acquisition and beam pairing • Beam switching to support low mobility terminals • Beam pairing in both the downlink and uplink. 800 June 2017, Release 15 • AMF -Access and Mobility Management Function • UPF - User Plane Function • gNB -NR Node B-Base Station • NG -Interface to Core; supports Slice, PDU Session and 5QI (QoS) • Xn-Inter-base stations interface. com) What are differences between X2 and Xn interfaces, S1 and NG interfaces, F1 and E1 interfaces ? In LTE networks, X2 and S1 interface are defined as an interfaces between RAN nodes and between RAN and Core Network. Reviewing code and test cases to ensure it covers all requirements. 2) S1-U/S5/X2 interface GTP-U: GTP-U protocol 1 is used to forward user IP packets over S1-U, S5 and X2 interfaces. Evolved Packet Core EPC for Communications Service Providers 3 The 3rd Generation Partner Project (3GPP*) defines the details of the EPC architecture, functional elements, and interface requirements. Engineers involved in the design of LTE interfaces and network equipment, as well as those involved in the first deployments of this new technology, should find this paper invaluable. eNB uses the GTP-U protocol on the S1-U interface with the Serving Gateway (S-GW) for user plane traffic. 2 References. LTE BASIC S1 Interface S1 AP Transport Network Layer GTP U UDP IP Data link from NOORANET CCNA01 at Tarbiat Modarres University (Professor Training University). 15 British Telecommunications plc 2018 RAN access network connectivity CPRI F1 S1 or N2/ RU DU CU eCPRI N3 interface Fronthaul Mid-haul Backhaul CPRI, eCPRI or Non-ideal fronthaul Backhaul (in common use) 16 British Telecommunications plc 2018 Terms; Fronthaul, mid-haul and backhaul as defined by MEF (Metro Ethernet Forum) 5G within a multi-RAT. The eNB connects to the MME (Mobility Management Entity) by means of the S1-MME interface and to the Serving Gateway (S-GW) by means of the S1-U interface. X2 Protocol Stack • X2 control plan • X2 data plan 3. 402 gives out PMIP based S5 interface details. • eNB is connected to the EPC by means of the S1 interface – to the S-GW by S1 user-plane part, S1-u. • S1 –Interface to Core • X2 –Inter-base stations interface • Fig. Typically up to 6 operators and 16 S1 interfac es per operator MAY be envisioned per e-NB. This conformity to open standards allows different vendors to manufacture eNBs, deploy them in a single network, and interconnect them over the X2 interface or with MME or S-GW nodes over the S1 interface. A part of the data can also be forwarded over the X2 interface to the 4G eNB part of the base station and from there to the UE. The X2 is mainly for the control plane purposes but also in connection. A Home eNodeB, or HeNB, is the 3GPP's term for an LTE femtocell or Small Cell. The EPC Signalling course describes the Evolved Packet Core (EPC) as standardized by 3GPP in technical specifications. The S3 interface enables user and bearer information exchange for inter 3GPP access network mobility. The eNode B is connected to EPC nodes by S1 interface. It includes Xn interface, NG interface, E1 interface, F1 interface and F2 interface used in 5G NR (New Radio) network architecture. The IP layer of S1-MME only supports point-to-point transmission for delivering S1-AP message. GPRS Interfaces. With Gilles Dufour Welcome to the Cisco Support Community Ask the Expert conversation. The S1 interface specs are easy to find in the 3GPP doc lists. 5G Air Interface Millimeter Wave (mmW) and LTE Demo Featured Technologies •mmW integration with LTE in non-standalone mode • mmW indoor mobility • mmW beam management • Beam acquisition and beam pairing • Beam switching to support low mobility terminals • Beam pairing in both the downlink and uplink. Again the S1 interface is used for the purpose. eNodeB OAM & S1 interface IP, VLAN configuration in SIU & TCU Perform software upgradation of BaseBand through SHM Installation of LKF of BaseBand through OSS & SHM GSM+LTE, WCDMA+LTE mixed-mode configuration. 301 S1-U: 3GPP TS 29. This is a variant of S6c for the roaming (inter-PLMN) case. Figure depicts interfaces between these network elements. 509 Certificates, IKEv1, IKEv2, EAP authentication) LPP and LPPa support for location services Diameter clients and servers, See IP-Sec datasheet for more details About Spirent Landslide Landslide is a scalable, high-. The E-UTRAN network interfaces are open standards defined by 3GPP. Timing Interface Built-in GPS, IEEE 1588v2 PTP Data Interface 1Gb Ethernet Power Interface PoE+ In (IEEE 802. 3GPP TS 25. Dynamic control of QoS can be triggered by application servers using a 3GPP Rx interface. In S1-Flex configuration, each eNB is connected to all EPC nodes within a pool area. The 3GPP specification 29. 3GPP Long Term Evolution (LTE) is a mobile communication standard designed to offer higher data rates, higher system throughout and lower latency for delay sensitive applications and services. , S1 is requested to be released in order to optimise the radio resources. OpenMME is a grounds up implementation of the Mobility Management Entity EPC S1 front end to the Cell Tower (eNB). User plane uses S1-U interface while the control information between eNodeB and MME is carried on the S1-MME interface. It is used for the Mobility Management (MM) and paging procedures between EPS and CS domain, and is based on the Gs (VLR-SGSN) interface procedures. Radio Access Air Interface Principles. As per and up to 3GPP Release 9, it is mandatory to provide security for an S1/X2 tunnels. It is split into two parts: the S1-U, which carries traffic data between the eNode-B and the Serving GW, and the S1-MME, which is a signaling-only interface between the eNode-B and the MME. Collectively the S1-MME and S1-U interfaces are known as the S1 interface, which represents the interface from eNB to the EPC. Chih-Lin I S1-C S1-U S1-U NGC functional division and interface 9 3GPP architecture impacts to support network capability. Diameter based interface between SGSN and SMS central functions (Stage 2/3). S1-MME is the one that eNode B connects to the MME (Mobility Management Entity), and S1-U is the one which connects to the Serving Gateway (S-GW). 413 S1 -U eNB S GW 36. The S1 Application Protocol (S1AP) supports the functions of S1 interface by signalling procedures defined in this TS. The S1 interface is specified at the boundary between the EPC and the E-UTRAN. The 4G standard provides. eNB uses the S1-AP protocol on the S1-MME interface with the Mobility Management Entity (MME) for control plane traffic. 3GPP System Architecture Evolution Specification - Evolved Packet System (non RAN aspects). S1 LTE Interface The S2 signalling bearer. An interesting part of LTE S1 handovers is the indirect tunnel that is established to carry the downlink data during the handover process. Objectives Upon completion of this chapter, you should be able to Describe the SGSN-to-GGSN interface. EPC: S1 release (not implemented) The S1 release procedure for user inactivity is currently a not implmeneted feature. The S1 and X2 interfaces are also already known from LTE. The usage of PMIP or GTP on S5/S8 will not be visible over the S1 interface or in the terminal. Use of data services in smart phones and broadband services via HSPA and HSPA+, in particular Internet services, has increased rapidly and operators that have deployed networks based on 3GPP network architectures are facing IPv4 address shortages at the Internet registries and are feeling a pressure to migrate to IPv6. The S1 interface is specified at the boundary between the EPC and the E-UTRAN. In a multi-access system this case is. 414 S2a HSGW P -GW 23. 275 S3 MME Rel. We will only focus on the 3GPP aspect of the zone file and how you can use it with an ASR5000. • Troubleshooting & KPI Analysis –LTE nodes which includes functionality of MME/eNB/UE interfaces, eNodeB’s including issues in Throughput, Latency Delays, Packet Loss, PS Dropped calls, CSFB calls, Data base corruption, RET alarms and 3G HSPA/4G-LTE IRAT, EUtranCellFDD, S1 interface setup, RRC & RAB setup and UE attach issues. 002 LTE;Network architecture. In the non roaming case, the S-GW and P-GW functions can be performed in one physical node. The CU contains the functionality of the PDCP as well as RRC and has interfaces to the LTE eNB (Xn) and optionally also to the core network (S1-U). 3GPP should not be confused with 3rd Generation Partnership Project 2 (3GPP2), which specifies standards for another 3G technology based on IS-95 (CDMA), commonly known as CDMA2000. S1-MME IP-Sec, S1-U IP-Sec, S1-MME+S1-U IP-Sec same tunnel Comprehensive IP-SEC support (RSA keys, X. interface between S-GW in VPLMN (visited public land mobile network) and 3GPP AAA proxy for mobility related authentication, if needed. heavyreading. The handover procedure for Intra-LTE handover using the S1 interface is very similar to that of Intra-LTE Handover Using the X2 Interface, except the involvement of the MME in relaying the handover signaling between the S-eNB and T-eNB. The S1 Application Protocol (S1AP) supports the functions of S1 interface by signalling procedures defined in this TS. Must have 4G/5G LTE Call Processing experience with In depth knowledge of RRC, S1-MME, S1-U and X2 protocols; Good to have understanding of concepts such as Hybrid Beamforming, Massive MIMO, New Waveforms, LTE-NR interworking & co-existence, 5G Numerologies, etc. X2 Protocol Stack • X2 control plan • X2 data plan 3. 300) S1-MME-interface: [LTE] Interface between MME and E-UTRAN (23. The S1 interface connects the eNB to the EPC. UMTS - Evolved Packet Core (EPC) Network - By the early architectural work for the system evolved 3GPP, two views on the implementation of mobility with the user plane and control plane protocols were pr. LTE eGTP Interface Procedure In LTE S11, S5/S8 and other eGTP interfaces, MAPS™ acts as either MME, SGW, or PDN GW while testing the other entities in the LTE eGTP network simulating the Path Management and Tunnel Management procedures. S1 is a "many-to-many" interface. MiniCore combines our YateHSS/HLR, YateUCN and YateSMSC in a small package. The Rx interface is between the PCRF and AF. S1 Interface (Interface Between eNB and MME/SGW) S1-MME Interface (Interface Between eNB and MME) S1-U Interface (Interface Between eNB and SGW) EMM (EPS Mobility Management) EMM states describe the mobility management states that result from the mobility management procedures e. Anchor function of Serving GW. S1AP is developed in accordance to the general principles stated in TS 36. • LTE radio-access network uses a flat architecture with a single type of node – eNodeB (eNB). 16a (2003): Air interface support for 2 to 11 GHz. Prior to 3GPP Rel-8 (LTE introduced from Rel-8 onward) Dual-stack User sends two PDP requests- One of for IPv4 and another for IPv6 Gateway creates two unique PDP-contexts- One for IPv4 and another for IPv6. The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP. M2M applications and 3GPP cellular networks Sh Rx Tx Tsp 3GPP Interface SMS-SC/ GSMSC/ IWMSC T4/ Tsms ISC Described in docs S1-144361, S1-144384). LTE S5: - This is the interface between SGW and PGW. - Vivo S1 Pro - Vivo S5 - Vivo U3 - Asus ZenFone 6. Jyri Hämäläinen Instructor:. This is the traditional model where the data flows from UE to the SGW/SGSN via the RAN Network, then. 246: Transparent end-to-end Packet-switched Streaming Service (PSS); 3GPP SMIL language profile: 30: TS 26. In non-standalone operation, the S1 interface is reused for between RAN node and EPC. NG3—User plane interface between the core network and RAN (S1-U in LTE) Keeping this terminology in mind, the three diagrams from 3GPP TR 38. Then PGW support local PCRF function. Operator external public 2. The interface is used to manage mobility inter-3GPP Radio Access Technology (RAT) mobility between, for example, LTE and UMTS or GPRS. The build system for OAI uses cmake which auto-generates makefiles. In 3GPP, GTP is specified in 29. 402 LTE;Architecture enhancements for non-3GPP accesses Core Network Protocol TS 24. Functionality Packet data network interface for 3GPP accesses. The 4G standard provides. "In case S1 and X2 user plane interfaces are trusted (e. We all know that S11 interface is GTP based while S5 interface could be GTP or PMIP based. Intra operator packet data network, e. As you know 5G is expected to operate in two modes NSA and SA modes. LTE-Uu: The radio interface between the eNodeB and the User Equipment. 5G Standardization Status in 3GPP As the radio interface of mobile phones has evolved, it has typically been changed about every ten years, and the 5G (5th Generation) interface is expected to start being used in the 2020s. The S4 interface provides control and mobility support between GPRS Core and the 3GPP Anchor function of the Serving GW. New Iccid Gpp Lte. S1-U: Reference point between E-UTRAN and Serving GW for the per bearer user plane tunnelling and inter eNodeB path switching during handover. From the S1 perspective, the E-UTRAN access point is an eNB, and the EPC access point. The first NB-IoT specification provided the underlying air interface standard for an ultra-low complexity NB1 device class with a long battery life. 414 Evolved Universal Terrestrial Radio Access Network Terminal logical test interface;. 2 of the 3GPP interface, the probe complies with the following 3GPP standards:. The en-gNB (ng-eNB) is connected to the EPC (5GC) via the S1 (NG) interfaces. Above Mentioned both the interfaces are based on IP and include separate Control & User Plan Protocol Stack. fr Abstract—Handover procedure in LTE/LTE-A has been rad-ically evolved when compared to the previous 3GPP standards. 9 and like the earlier 3GPP systems, in 5G system, there are various identifiers at subscriber level 5G Stuff: N26, N1, S1 Interfaces 3GPP TS 23501 specifies this N26 interface in 4. As the S1 interface is both for user data and signaling data, this interface splits into two sets: S1-U is used to transfer user data from the air interface to S-GW and S1-MME is used to exchange control messaging between UE and MME. Thanks to the use of highly efficient and highly integrated devices, flexible. This is a variant of S6c for the roaming (inter-PLMN) case. Some information like (MME name, part of GUTI [GUMMEI], MMEcapacity) is provided by MME through interface S1 in an S1AP MME Configuration Update message 5. Each interface described here is taken from 23. S6a, S1-U, S5/S8, Sgi, S11, S10, Gr, Gx , Gy interface configurations. Network Architecture. Other interfaces for interconnecting the elements of the core network and other 3GPP and non-3GPP networks exist. 1> S1 Interface protocol which is the interface between E-EUTRAN and Core Network. GTPv1-C is defined in 3GPP TS 29. When a UE is idle for a certain period of time (usually 10-30 seconds in commercial networks), after the RRC inactivity timer times out, the eNodeB will send a UE Context Release Request with cause #20 (closed) (user inactivity. with a functional division that is in accordance with the use of an S1 interface between the radio access network and the core network. Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. SGs is an interface between the MME and MSC server. 2G/3G 3GPP core Gn S3 S11 S4 S5 S1-AP S1-U S6a Gxc Gxb Gxa STa S103 S101 User equipment (UE) Gx S2b S2a SWn Gi SGi 3GPP EPC MSC MSC S1 interface, while the SGSN. 401 specifies GTP based interface then 3GPP TS 23. Specifications and reports for implementation of the 3GPP TM system should be obtained via the 3GPP Organizational Partners' Publications Offices. S1 and C1 belong to the underlay and don't have an N4 interface, so they are not considered UPFs. The dsTest S1 Interface Application is R13 compliant, implementing the optimizations specified for enhanced coverage and battery life and reduced complexity compared to existing LTE devices (S1-Lite/Support for Narrow Band IoT/Cellular IoT). It can be used a second core network for testing. From the S1 perspective, the E-UTRAN access point is an eNB, and the EPC access point is either. Xn interface. It is split into two parts: the S1-U, which carries traffic data between the eNode-B and the Serving GW, and the S1-MME, which is a signaling-only interface between the eNode-B and the MME. LTE Network Reference Model. UE eNod B S -GWP MME PCRF IMS HSS SGSN UTRAN GERAN. Handover between LTE and 3G Radio Access Technologies: Test measurement challenges and field environment test planning School of Electrical Engineering Master‟s thesis submitted in partial fulfilment of the requirements for the degree of Master of Science in Technology in Espoo, 30. eNB uses the X2-AP protocol on the X2 interface with other eNB elements. In the diagram, both the MeNB and the SgNB have an S1-U (User) interface. Siemens 6av6647-0af11-3ax0 6av6 647-0af11-3ax0 Simatic Hmi Ktp1000 Basic. User Plane and Control Plane Separation Framework for Home Base Stations Zhaojun Li Mick Wilson (Manuscript received June 30, 2009) Home base stations (HBSs), which are considered to be useful extensions to mobile operators' networks, are a promising solution for many issues in mobile. u can get it from the 3gpp site. The course focuses on the radio interface and the S1-interface but includes also relevant information pertaining to the Evolved Packet Core (EPC) in order to give the student a comprehensive end-to-end view of the most important signalling scenarios. Example traffic. 2011 Supervisor: Prof. Connected via the NG-interface to the 5GC or via S1-interface to the EPC. Timing Interface Built-in GPS, IEEE 1588v2 PTP Data Interface 1Gb Ethernet Power Interface PoE+ In (IEEE 802. Friday, April 13, 2018 5G Stuff: N26, N1, S1 Interfaces 3GPP TS 23501 specifies this N26 interface in 4. S9 Interface (H-PCRF-VPCRF). S1-flex in 3GPP LTE standard) or multioperator RAN Sharing reason. eNBsare interconnected with each other by X2 interface eNBsare connected by means of S1 interface to the EPC S1 interface supports a many-to-many relation between MMEs/S-GW and eNBs 18 3GPP TS 36. For each E-UTRAN interface (S1, X2) the related transport network layer protocol and functionality is specified. LTE Network Interfaces This reference point corresponds to Gi for 3GPP accesses. 726 Trusted or physically protected is not further defined within the 3GPP specification. There is no centralized intelligent controller, and the eNBs are normally inter-connected viathe X2-interface and towards the core network by the S1-interface (figure 2). The uplink data from the UE will be forwarded to the S-GW following the direct S1 interface. LTE eGTP Interface Procedure In LTE S11, S5/S8 and other eGTP interfaces, MAPS™ acts as either MME, SGW, or PDN GW while testing the other entities in the LTE eGTP network simulating the Path Management and Tunnel Management procedures. eNB uses the X2-AP protocol on the X2 interface with other eNB elements. Protocol dependencies. This is the traditional model where the data flows from UE to the SGW/SGSN via the RAN Network, then. Value is 256. g Attach and Tracking Area Update procedures. Developing Solutions provides three levels of support for the S1 Interface: Basic, Advanced, and LCS. Ø The S1-U interface provides non-guaranteed delivery of user plane PDUs. - collecting, analyzing and delivering eNB/UE logs and S1/S11 interface traces - verifying software corrections, installing updates - verifying network KPIs against eNB software quality - configuration and maintenance of LTE on-the-air test network (RAN and transport). The S1 interface includes the S1-CP (control) and S1-UP part (user plane). The eNBs are connected by means of the S1 interface to the evolved packet core (EPC), more specifically to the serving gateway (S-GW) over the S1-U interface and to the mobility management entity over the S1-MME interface. PROTOCOLS and their SPECIFICATIONS. The research topic of this thesis which is "LTE Handover Performance Evaluation Based on Power Budget Handover Algorithm ", focuses on different combinations or settings of HOM and TTT values to evaluate the handover performance based on Reference Signal Received Power (RSRP) measurement within certain. The SGW and PGW may be realized as a single network element in which case the S5 interface in. It includes Xn interface, NG interface, E1 interface, F1 interface and F2 interface used in 5G NR (New Radio) network architecture. 3 S1AP Interface (eNodeB – MME) VoLTE is in accordance with 3GPP specifications and additional profiling is defined. This helps in maintaining all the S1 bearer context required for proper GTP header encapsulation. 003 Release 15. S1-U:- Reference point between E-UTRAN and Serving GW for the per bearer user plane tunnelling and inter eNodeB path switching during handover. 401, clause 5. S1-U:- Reference point between E-UTRAN and Serving GW for the per bearer user plane tunnelling and inter eNodeB path switching during handover. S1 is a "many-to-many" interface. Siemens 6av6647-0af11-3ax0. Or you may want to do a search that the current Google interface does not support. In this architecture, the anchors of the control plane are always located in the LTE eNB, that is, the S1-MME interface is terminated by the eNB. When the data go through these interface, they get encapsulated by various tunnel protocol as in Figure 2 of Network Architecture and Interface page. In 3GPP, GTP is specified in 29. To provide flexibility to the networks, N26 is optional. In particular, X2 handover is introduced to allow neighboring. The Gb interface is the name given to the logical connection between a SGSN and a BSS (also referred to as a PCUSN or PCU). there is no X2 interface available for eMBMS handover, i. S1-flex in 3GPP LTE standard) or multi- operator RAN Sharing reason. 16 illustrates the layout of this interface. The 2404 implements the standard S1 interface to the Mobility Management Entity and Serving Gateway in a 3GPP Evolved Packet Core. The pool area is defined in [3]. • Alternative 3C: Small cell connected to macro eNodeB via Xn-interface. S1 is a “many-to-many” interface. 0 EMS Support Ruckus Cloud LTE Certifications OnGo™, FCC Part 96, UL. S1 Interface: The S1 interface is the interface that separates the E-UTRAN and the EPC. ü It transmits and receives packet data to and from eNB via S1-U interface. When the data go through these interface, they get encapsulated by various tunnel protocol as in Figure 2 of Network Architecture and Interface page. – – – F-TEID: type of IPv4, the interface is S1-U (S1 – User plane between eNB and SGW) and the F-TEID IP is the IP address of the SGW (40. All 3rd Generation Partnership Project (3GPP) TS 36 series standards are available at S1 is the physical interface between the eNB and the MME. of the 3GPP ProSe is shown in Figure1. The functions supported include transfer of information relating to the terminal that is being handed over and handover/relocation messages. Handheld devices are growing exponentially and thus the need for the services on the move has increased tremendously. Section II introduces background. The latest addition to Developing Solutions' library of reference materials is now available. Protocol dependencies. The technical specification TS 36. This is a variant of S6c for the roaming (inter-PLMN) case. Dual Connectivity for LTE-NR Cellular Networks (3GPP) as one of the most relevant technologies to accomplish even means that the S1-U (i. The S1 interface can be categorized, more specifically, into S1-MME and S1-U. 3GPP TS 25. Radio Access Air Interface Principles. Interface between the UTRAN (RNC) and the Packet Switched Core Network (SGSN). A HeNB performs the same function of an eNodeB, but is optimized for deployment for smaller coverage than macro eNodeB, such as indoor premises and public hotspots. As per and up to 3GPP Release 9, it is mandatory to provide security for an S1/X2 tunnels. UE eNod B S -GWP MME PCRF IMS HSS SGSN UTRAN GERAN. • S1-U not split and delivered over NR. S1-U User plane interface between an eNodeB and one or more SGWs. 300 specification. (DUs), which are connected over the F1 interface. Objectives Upon completion of this chapter, you should be able to Describe the SGSN-to-GGSN interface. * S1 Interface : This interface connects e-NodeB to Evolved Packet Core Network(EPC). User plane uses S1-U interface while the control information between eNodeB and MME is carried on the S1-MME interface. The LTE network architecture explained in this document applies to a LTE only network provided by a single operator and thus has covered the most basic components of the EPS system. The radio protocol architecture for LTE can be separated into control plane architecture and user plane architecture as shown below: At user plane side, the application creates data packets that are processed by protocols such as TCP, UDP and IP, while in the control plane, the radio resource. To provide flexibility to the networks, N26 is optional. We have also conducted extensive simulations by using ns2 to validate our mathematical models. 4-1-1 in 3GPP TS 36. As mentioned in 3GPP TS 23501, sec 5. eNB uses the X2-AP protocol on the X2 interface with other eNB elements. Ro is a 3GPP reference point that describes the connection to the OCS from another. 401 specifies GTP based interface then 3GPP TS 23. 41x series of technical specifications that define the S1 interface for the interconnection of the Evolved NodeB component of the Evolved Universal Terrestrial Radio Access Network (E UTRAN) to the Core Network of the EPS system. The current setup uses two different physical machines to run eNB and EPC so as to take into account the delay of S1 interface. S1 signalling bearer provides the following functions:. This ISC Interface interacts with the MMTel supplementary services implemented on the TAS where IMS Service Control Interface is used for requesting services from an TAS. 3(S10) Annex 4. 3at) or [email protected] Networking Protocols IPv4/IPv6, VLAN, IPSec Max Power Consumption 20W EPC Support Standard 3GPP S1 Interface SAS Support WINN Forum TS1. The 3GPP specification 29. Towards Flexible Network and AI Dr. 401 [2] and TS 36. with a functional division that is in accordance with the use of an S1 interface between the radio access network and the core network. So I had this question for a while:- In PMIP based S5 interface there is only user plane tunnel per UE, while GTP based S1-U has several tunnels which we call as default and dedicated bearers. 9 and like the earlier 3GPP systems, in 5G system, there are various identifiers at subscriber level 5G Stuff: N26, N1, S1 Interfaces 3GPP TS 23501 specifies this N26 interface in 4. Let's take a quick look at some of the differences between LTE and 5G in the area of functional splits between RAN and Core Network.