5G#Networks#and#High3Efficiency#Device# …Leppänen,(Huawei (...
-
Upload
vuongthuan -
Category
Documents
-
view
216 -
download
0
Transcript of 5G#Networks#and#High3Efficiency#Device# …Leppänen,(Huawei (...
5G Networks and High-‐Efficiency Device Posi;oning: Enabling Techniques, Demonstra;on and Ver;cals
• Network densifica0on and high bandwidth allows accurate UE posi0oning
• Use the expensive 5G investment to get posi0oning “for free”
• 1-‐2 orders of magnitude beDer dyamic accuracy than GPS, with 1-‐2 orders of magnitude lower power consump0on in the UE
• Advantages • Proac0ve mobility management and RRM in 5G radio network (, UE
tracking and movement predic3on) • Self-‐driving cars, robots benefit from accurate posi0on info • Indoor posi0oning • Augmented reality • IoT device posi0oning,logis0cs..
• Implementa0on based on • TDD MU-‐MIMO system • Data fusion over mul0ple measurement points • ToA/TDoA & DoA measurements based on UL beacons (~SRS)
Clock model+
UN movement model
Time-of-arrival (ToA) estimates
Direction-of-arrival (DoA) estimates
Extended Kalman filter (EKF)
UN position estimates
UN clock offset estimates
Joint User Node Posi3oning and Clock Offset Es3ma3on in 5G Ultra-‐Dense Networks: hDp://www.tut.fi/5G/posi0oning/media.html
C-‐UDN Frame structrue
C-‐UDN concept
Kari Leppänen, Huawei [email protected] Riku Jän], Aalto University riku.jan]@aalto.fi Mikko Valkama, Tampere University of Technology [email protected]
5G Networks and High-‐Efficiency Device Posi;oning: Enabling Techniques, Demonstra;on and Ver;cals • C-‐UDN test-‐bed l 4 Access Node (AN) sites l 4 – 8 antennas per AN
- Linux server operates as BS
l 1 antenna in mobile l Constructed of USRP + PC
- Comm. stack in C++ - TDD implemented by using USRP switch
between Tx - Rx chains (not circulator) l Transmission
- Frequency license 3.41 – 3.43 GHz - Sampling rate 15.36 MHz - 5 micro sec OFDM symbol length
l easy to test also for different values
UN
AN1
AN2
AN3
AN4
8 antenna array
AN & UN C-‐UDN test-‐bed architecture
5G Networks and High-‐Efficiency Device Posi;oning: Enabling Techniques, Demonstra;on and Ver;cals • Tes0ng environment for ver0cals
• Otaniemi – sub-‐urban area • Ruoholah0 – urban area
• Ver0cals • TA7: 5G for Future MTC solu0ons:
• Device localiza0on, energy efficiency through UE beacon based signaling
• TA20: Open Porgolio Target Ac0on • Ver0cals benefi]ng from accurate localiza0on
and low latency • V2X, Factories of the future, e-‐health,…
Otaniemi test-‐site (sub-‐urban / industrial)
Ruoholah3 test-‐site (urban)
V2X
Facories of the future: Aalto Industrial Internet Campus hDp://aiic.aalto.fi/en/
Example ver0cals Test sites
• Mul0disciplinary and open research plagorm for inves0ga0on and experimental evalua0on of innova0ve ideas in networking and services of 5G.
• A common shared testbed for tes0ng and valida0on of 5G network func0ons:
• Network virtualiza0on and cloud technologies • Virtualized EPC with network slicing
• Novel RAN solu0ons & virtualiza0on • Con$nuous Ultra Dense Network (C-‐UDN) • Cloud-‐RAN (LTE) • NB-‐IOT
• Services that require network responsiveness and end user experience.
• Cybersecurity, end to end security and trust in 5G
Take-‐5 testbed in Espoo, Finland – part of 5GTNF
User Equipment
(UE)
Mobility Management Entity (MME)
Home Subscriber Server (HSS)
SDN Control
S/P-GW Control
Policy Control and Charging Rules
Function (PCRF)
Data Plane
Control Plane
))))))))
S1-MME
SDN
SDN capable Backhaul
Virtualized EPC including S/P-GW control
User Equipment
(UE)))))))))
SDN
Station (eNodeB)
Base
WiFI SDN AP
INTERNETIP RouterNAT
Nokia
VTT
Coriant
EXFO
Monitoring
AALTO
AALTO
Nokia
hDp://5gtnf.fi/ hDp://take-‐5g.org/