New Air Interface Research for 5G

New Air Interface Research for 5G An Advanced Hardware Platform to verify 5G Wireless Communication Concepts Thomas Wirth, Matthias Mehlhose, Jens Pi...
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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 [email protected]

OUR TESTBEDS Fraunhofer HHI Dr.-Ing. Thomas Haustein [email protected]

Fraunhofer FOKUS Prof. Dr. Thomas Magedanz [email protected]

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 [email protected]

open5Gphotonics [email protected]

open5Gcore, openSDN, open5Gmtc [email protected]