INTRODUCING THE 5G-PPP 5G-XHAUL PROJECT Daniel Camps (i2cat) Bristol 5G city testbed with 5G-XHaul extensions
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1 INTRODUCING THE 5G-PPP 5G-XHAUL PROJECT Daniel Camps (i2cat) Bristol 5G city testbed with 5G-XHaul extensions
2 OUTLINE 1) 5G-XHaul introduction 2) 5G-XHaul architectural aspects 3) Sample of data-plane work 4) Sample of control-plane work 5) Next steps
3 1. CONSORTIUM OVERVIEW IHP GmbH (Coordinator) Huawei Technologies ADVA Optical Networking TU Dresden Airrays GmbH Telefónica I+D Blu Wireless Technology TES Electronic Solutions COSMOTE University of Bristol Fundació i2cat University of Thessaly Universities (3x), Research Institutes (2x), SMEs (2x), Operators (2x), Industry partners (3x) 3 3
4 1. 5G-XHAUL IN A NUTSHELL Unified transport for flexible RAN functional splits SDN Control plane Unified for Wireless & Optical Aware of demand spatiotemporal variations (in the RAN) Interfaces for joint RAN Transport Convergence Wireless Optical Backhaul Fronthaul Data Plane Wireless Optical P2MP mm-wave (60 GHz) Sub-6 TSON WDM-PON Introducing H2020 5G-PPP Project 5G-XHaul, "Dynamically Reconfigurable Optical-Wireless Backhaul/Fronthaul with Cognitive Control Plane for Small Cells and Cloud-RANs," European Conference on Networks and Communications (EuCNC), 2015, Paris, France. 4
5 2. 5G-XHAUL DATA-PLANE ARCHITECTURE A. Tzanakaki, et.al., 5G Infrastructures Supporting End-User and Operational Services: The 5G-XHaul Architectural Perspective IEEE International Conference on Communications Workshops (ICC) 2016 May 23 (pp ). 5
6 2. 5G-XHAUL CONTROL-PLANE ARCHITECTURE D. Camps-Mur, P. Flegkas, D. Syrivelis, Q. Wei, J. Gutierrez 5G-XHaul: Enabling scalable virtualization for future 5G Transport Networks IUCC 2016, En2ESO Workshop, Granada, Spain, December
7 2. 5G RAN IMPACT ON TRANSPORT REQUIREMENTS Measured traffic from 33 LTE cells in dense urban scenario Candidate 5G Functional Splits 400G Ethernet (IEEE P802.3bs) supports all splits/rats for split A/full centralization only a few cells can be aggregated in one link for splits B up to 100 cells Bartelt, J., Vucic, N., Camps-Mur, D., Garcia-Villegas, E., Demirkol, I., Fehske, A.,... & Lyberopoulos, G. (2017). 5G transport network requirements for the next generation fronthaul interface. EURASIP Journal on Wireless Communications and Networking, 2017(1), 89. 7
8 2. TRANSPORT NETWORK BLUEPRINT Sample deployment (Eixample BCN) SC MC wireless BH/FH (Gbps) #ONUs/Macro site WDM-PON requirements TSON metro requirements I. Demirkol, D. Camps-Mur, J. Bartelt, J. Zou 5G Transport Network Blueprint and Dimensioning for a Dense Urban Scenario. European Conference on Networks and Communications (EuCNC), Oulu,
9 3. DATA-PLANE: WIRELESS mmwave (60GHz) Front End design Antenna & BFIC mmwave Base Band design: MIMO/Beam alignment and tracking/p2mp Channel modelling 5G-XHaul mmwave BFIC Synchronization in wireless backhaul: 1588v2, ToF based 5G-XHaul mmwave nodes Functional splits for 5G-RANs (NGFI): Impact on transport requirements Specific development for Massive MIMO Self-backhauling: Joint access and backhaul Massive MIMO array supporting 5G-XHaul functional split 9
10 Cross-connect DEMUX MUX Cyclic AWG 3. DATA-PLANE: OPTICAL Time Shared Optical Networks (TSON) Elastic BW allocation (time slices) Extensions for elastic grid Native mapping of Ethernet and CPRI Synchronization TSON FPGA implementation Optical joint FH/BH enabled by flexible WDM-PON 40λs, Gbps/λ, Km Switch off ONUs for energy saving Color-less ONUs (out-of-band mgmt) Flexible assignment BBU-RRH OLT OLT RN ONU 1 BBU BBU... Tx Array n L C ONU n L C T-LD L C T-LD Ethernet switch... Array n 5G-XHaul WDM-PON architecture 10
11 Transponder DEMUX MUX 1310 nm Ethernet Analyser 1310 nm Cross-connect L-band C-band upstream L-band downstream DEMUX MUX DCF BristolIsOpen (BIO) Dark fibre 3. DATA-PLANE: WDM-PON & TSON INTERFACING Testbed configuration of TSON and WDM-PON Integration using BIO dark fiber TSON Network OLT SMF Dark fibre Tx Ch.1 SFP+ Tx TSON Node 1 TSON Node 2 SFP+ Tx SMF Tx L-bandTx EDFA Ch.2 Tx Tx Tx WDM-PON link Tx SFP+ ONU Tx C-band VCSEL SFP+ SMF SMF Dark fibre RN 11
12 3. DATA-PLANE : WDM-PON & TSON INTERFACING TSON Node 1&2 ONU OLT side 12
13 3. DATA-PLANE : WDM-PON & TSON INTERFACING Preliminary results Downstream Latency 13
14 Transponder 3. DATA-PLANE: MASSIVE MIMO FH OVER WDM-PON CPRI ONU RF cable Colored DWDM λ-agnostic DWDM ONU Baseband unit (I/Q samples) AIR CPRI over WDM ADVA RRH AIR UE receiver TUD 14
15 3. DATA-PLANE: MASSIVE MIMO FH OVER WDM-PON Carrier freq. (3.55 GHz) Spectrum of 2 carriers on 1 fiber Spectrum (w. unused SCs) Constellation (64 QAM) Throughput (some errors due to I/Q loop) 15
16 4. CONTROL PLANE: NETWORK-SLICING #Flows scalability A transport network to connect VNFs ETN OF1.3 based datapath D. Giatsios, K. Choumas, P. Flegkas, T. Korakis, D. Camps-Mur SDN Implementation of Slicing and Fast Failover in 5G Transport Networks. European Conference on Networks and Communications (EuCNC), Oulu,
17 4. CONTROL PLANE: TE IN WIRELESS BH Interference aware network model in the controller NITOS testbed Initial results on Fast Recovery mmwave nodes Sub6 nodes 17
18 5. SAMPLE OF PLANNED DEMONSTRATION IN BRISTOL (JUNE 18) TSON TSON OLT Massive MIMO ONU COMPUTE BBU mmwave Sub6 TSON FRONTHAUL (CPRI) Hotspot BACKHAUL (ETH) 18
19 Thanks for your attention! Questions?
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