New Air Interface Research for 5G
An Advanced Hardware Platform to verify 5G Wireless Communication Concepts Thomas Wirth, Matthias Mehlhose, Jens Pilz, Ralf Lindstedt Dennis Wieruch, Bernd Holfeld and Thomas Haustein VTC Spring 2015, Glasgow, Scotland
5G Enabling Radio Technologies
Field Trials and PoC before large Roll-out First LTE MIMO Trials 2007
LTE A&F DAS Trials @ BER 2011
LTE-A Relaying Trials 2009
LTE Measurements @ BER
H.264/SVC Video Broadcasting over LTE 2010
A&F and D&F Relaying and DAS Trials 2010
5G Berlin – a Collaborative Research Initiative
5G –Access, -Core & Xhaul Technology to be tested in one Place 5G Berlin contributes in the global research arena being a place to have 5G related researchers join their effort, interact across disciplinary borders and test latest technologies, system components and applications in a real world setup. Join 5G Research www.5GBerlin.de
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OUR TESTBEDS Fraunhofer HHI Dr.-Ing. Thomas Haustein
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Fraunhofer FOKUS Prof. Dr. Thomas Magedanz
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5G Berlin – Open5GAccess
Ultra-dense Networks
Massive MIMO
Car2Car & Car2X Communications
Machine-Type
Multihop & Relays
Industrial Wireless
Open5GAccess Air Interface Prototyping 5G – 3GPP Evol & beyond § PHY / MAC design § New waveforms, frames, Random Access § Carrier aggregation and multi-band techniques – ASA/LSA § Spectrum beyond 6 GHz à Millimeter Wave § Advanced MIMO • Multi-MIMO towards Massive MIMO • Cooperative systems – CoMP / Network MIMO • Beamforming 5G Wireless Technology Components Cloud-RAN § Distributed antenna systems (DAS) and RRHs § Fiber and wireless backhauling techniques § Virtualization / C-/U-plane splitting Proof-of-Concept (PoC) in 5G Berlin § HIL, lab trials, drive tests, End-2-end experiments § Measurement equipment for benchmarking results
Open5GAccess - Massive MIMO Trials
Massive Antenna Array
Massive MIMO Prototyping N x 8TRx à 8x8 à 16x16
Massive MIMO 8TRx card
SDR – Testbed - Methodology Base Station Baseband
§ Realtime signal processing on DSPs
Radio Head
§ Modular programming concepts, optimized building blocks § High-speed interfaces on FPGAs § Flexible radio heads User Terminal Radio Head
TI Keystone Architecture
Baseband
SDR – Radio Frontend § 2x2 MIMO transceivers with 12-bit DACs and ADCs § Supports TDD and FDD operation § 70 MHz up to 6 GHz § Tunable channel bandwidth: < 200 kHz .. 56 MHz § Superior receiver sensitivity with a noise figure < 2.5 dB § Pluggable LTE diplexer / SAW filters available for different bands:
§ FDD § TDD § LTE-U
700 MHz / 800 MHz, [1.8, 2.1, 2.6,…] GHz ASA/LSA 2.3-2.4 GHz 2.4 GHz, 5.x GHz
§ Realtime Interfaces: CPRI / GbE / 10 GbE
SDR – Radio Frontend Block Diagram § 2TRx and 4TRx
SDR – Radio Frontend: 4TRx @ MWC 2015 § 4TRx § Dual CPRI 4.1 § 4x4 MIMO, 20 MHz or § 2x2 MIMO, 40 MHz CA § High order QAM – 1024
MMIMO Prototyping MMIMO Scenario
32TRx Prototype
MMIMO Prototyping – 8TRx µTCA Module Massive MIMO Prototyping N x 8TRx à 8x8 à 16x16
Massive MIMO 8TRx card
Massive MIMO 8TRx card – RF -Board
Massive MIMO 8TRx card – Base Band Board
SDR Lab – Full Cellular Setup Massive Antenna Array H.264 / DASH with optimized cross-layer design / RRM
Application server
H.265 / HEVC streaming over HLS
EPC
Massive MIMO 3D Propagation Modeling Massive MIMO Measurements
Massive MIMO
@ 3.5 GHz
Multi-Bounce & Spherical Wave Modeling
Far-Field Modeling Antenna Models and Mutual Coupling
SDR Demo – 3CA Demonstrator 3CA SDR Demo § 3GPP LTE-A compliant § 3CA eNB § 3CA multiband terminal
§ Complete cellular setup § Access networks § Evolved packet core § Application server
Flexi eNB
SDR 3CA UE
Multiband User Terminal § 3 x RF: 2.63 GHz, 811 MHz, 2.68 GHz § 3 x TurboNyquist – C6670
§ Core Network (EPC) § Application Server Downlink Throughput: 450 Mbps
SDR Demo – 3CA Demonstrator Aggregation
3CA SDR Demo § Carrier aggregation as supplemental
DL
UL
DL
DL
downlink
§ 2x2 MIMO § Contiguous and non-contiguous spectrum § Downlink: 3 x 20 MHz component carriers: § Primary cell: 2.63 GHz § Secondary cell: 811 MHz, 2.68 GHz
Primary Cell
Σ Rate 450 Mbps
§ Uplink: 1 x 20 MHz § Aggregate spectrum dynamically as needed
Uplink Primary Cell
Downlink Primary Cell
Resilient Networks – ABSOLUTE Ecosystem Cognitive Radio Techniques for Aerial Base Stations Aerial Base Stations with Opportunistic Links for Unexpected & Temporary Events
Applications
http://www.absolute-project.eu/
§ Design and develop a holistic and rapidly deployable mobile network composed of § Aerial segment – AeNB § Terrestrial platform – TeNB § Satellite communications for serving institutional missions § Demonstrate § High-capacity, low-latency and coverage capabilities of LTE-A solutions § Broadband emergency communications within disaster relief scenarios § Dynamic spectrum access and secure connectivity § Flexibility of software-defined radios (SDR) § Contribute to public safety domain in Europe
Satellite Backhaul
Wire less X2
Cognitive Extension
Aerial eNB with EPC termination
SDR for Resilient Networks – PPDR Aerial Base Stations with Opportunistic Links for Unexpected & Temporary Events § Resilient networks § SDR – RRH on Helikite § Fiber optic connection to LTE-A eNB subsystem on the ground § LTE-A subsystem: • Basestation • Core network – EPC • Satellite backhaul • Wifi / Small Cell eNB and EPC (core network)
http://www.absolute-project.eu/
SDR-RF
Optical Fiber Helikite
Waveform Candidate Investigations OFDM
source: http://webdemo.inue.uni-stuttgart.de
UFMC
FBMC
5G Waveform Coexistence
Different waveforms and their adjacent channel leakage ratio (ACLR) at 2.65 GHz measured using the SDR platform
Open5GPhotonics - Heterogeneous Xhaul
5G Berlin – Contacts Dr.-Ing. Thomas Haustein
[email protected] [email protected] url: www.5GBerlin.de Fraunhofer Heinrich Hertz Institute Berlin, Germany
open5Gaccess
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open5Gphotonics
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open5Gcore, openSDN, open5Gmtc
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