2. 2
New Use Cases – 5G Market Approach
| Antenna Evolution: From 4G to 5G |
5G Mobile Communication
New Technology
Automotive Adaption to 5G
Smart Building/ IoT
Industry 4.0/ Localisation
Indoor Services – Small Cell
Solutions
Broadcast Converngence (eMBMS)
CAR
Macro
GNSS
Infrastructure
UE / Roadside
V2X
V2V
D2D MTC
eMBMS
Broadcast
Macro
3. 3
Actively Shaping the Connected World
| Antenna Evolution: From 4G to 5G |
Satellite Reception Solutions
Indoor Capacity Solutions Mobile Communication Solutions
Broadcast Solutions
Automotive Solutions Broadband Solutions
4. 4
RF Trends Towards 5G
| Antenna Evolution: From 4G to 5G |
eMBMS
Cell
Densification
Spectrum /
Bandwidth Extension
Spectrum /
Spectral Efficiency
5. 5
Magic Triangle for Antennas
| Antenna Evolution: From 4G to 5G |
Array Antennas
Multiband
Antennas
Multi Cell
Antennas
Network Densification Spectrum Extension
Spatial Multiplex Access
Massive MIMO4X-Array
DAS Street Connect … 10-Port … 12-Port …Multibeam
6. 6
2020
Makro BS
1990 2004
Combiner
TMA
GSM900
UMTS2100
Koax
BS
GSM 900
KoaxFeeder
2011
RRH &
Radio Server
GSM900
Radio
Server
LTE 800
RRH
Optfibre
DC48V
Koax
GSM900
Radio
Server
LTE 800
R
R
H
Optfibre
DC48V
Koax
Multiband Active Antenna
4x4, 8x8 MIMO
or
MASSIVE MIMO?
Radio
Server
Optfibre
DC48V
From Passive to Active Antennas
| Antenna Evolution: From 4G to 5G |
2015
Active Antenna
2 Bands 4x4 MIMO
Radio
Server
Optfibre
Optfibre
mm Wave for massive
MIMO
2017
Radio
Server
DC48V
DC48V
7. 7
How to increase Data Rates ?
| Antenna Evolution: From 4G to 5G |
MIMO & Massive MIMO
LTE: 2x2 MIMO
LTE: 4x4 MIMO
LTE-A: 8x8 MIMO
5G: Massive MIMO
Interference Reduction
Optimized pattern:
- Front/Side Ratio
- F/B Ratio
- SPR
- Sidelobes
Sectorization
Horizontal:
- 6 sectors
Vertical:
- 3x 2 sectors
Combined:
- Horizontal & Vertical
RF Optimization
Reduction of Losses
- RRH near antenna
- AIR
- AAS
)1(log~ 2 ISfnC
Shannon:
n – Number of Antennas
f – Bandwidth
S/I – Signal to Interference Ratio
10. 10
More Bands in combination with higher MIMO-Modes
Differtent MIMO Antennas
| Antenna Evolution: From 4G to 5G |
2x2 4x4 Massive MIMO
MIMO 700 800 900 1500 1800 2100 2400 2600 3500
2x2 X X X X
4x4 X X X X X
Ports 700 800 900 1500 1800 2100 2400 2600 3500
16 X X X X X
18 X X X X X X
20 X X X X X X X
24 X X X X X X X X
28 X X X X X X X X X
16. 16
Typical Architecture for FDD Massive MIMO Antenna
Single Band 64 Element XPol Active Antenna System (AAS)
128 Active Antenna Elements (8 columns x 8 rows x 2 polarizations)
128 Rx/Tx Diplexers
128 Calibration Signals
128 Data Streams (CPRI Antenna Carrier AxC)
| Antenna Evolution: From 4G to 5G |
Single Band
Array of
RF-Sub-Systems
8 Columns
8Rows
SDR
RF Sub-System: Tx & Rx
17. 17
Typical DB Architecture for FDD Massive MIMO Antenna
| Antenna Evolution: From 4G to 5G |
Dual Band
128 Data Streams
8 Columns
8Rows
SDR
RF Sub-System band 1: Tx & Rx
Arrays of
RF-Sub-Systems
SDR
RF Sub-System band 2: Tx & Rx
8Rows
total 256 Data Streams
128 Data Streams
18. 18
New Idea: Inverted Rx/Tx Architecture
| Antenna Evolution: From 4G to 5G |
Arrays of
RF-Sub-Systems
SDR
SDR
RF Sub-System 1: Tx B3 & Rx B7
RF Sub-System 2: Tx B7 & Rx B3
Pending Patent
8 Columns
3Rows
total 96 Data Streams
48 Data Streams
48 Data Streams
19. 19
Advantages of Inverted Rx/Tx Architecture
| Antenna Evolution: From 4G to 5G |
1710 18801785 1805 2500 2570 26902620
Rx Tx Rx Tx
Standard Dualband Array
20 50
Reduced Filter Complexity
RF Sub-System 2
RF Sub-System 118801805 2500 2570
1710 1785 26902620
Tx
Rx
Rx
Tx
620
835
All values in MHz
Band 3 Band 7
20. 20
PIM - Advantage of Inverted Rx/Tx Architecture
| Antenna Evolution: From 4G to 5G |
Standard Antenna
f1 f22f1-f2
-150dBc
Rx Tx
Effect: Very robust Passive System Intermodulation
30 dB Production Reserve
f1 f22f1-f2
-160dBc
RF Sub-System 1 RF Sub-System 2
40dB
Isolation
- 30dB
Rx Tx
IM3
35. 35
Network of production system
| Antenna Evolution: From 4G to 5G |
MU
MU
MU
RU
IQ-Interface to
Central unit
RU
IQ-Interface to
Central unit
MU
Wireless
RFID Reader
Wireless
RFID Reader
Wireless
RFID Reader
Wireless
RFID Reader
RFID UHF-Tag
Industry 4.0 Communication infrastructure
36. 36
Broadcast Tower-Overlay with eMBMS
Point to Multipoint Applications:
News ticker
Radio over IP
Live Video
Sport events
Music events
News
Point to Multipoint Communication
| Antenna Evolution: From 4G to 5G |
Source: IFN, TU Braunschweig, Germany
37. 37 | Antenna Evolution: From 4G to 5G |
Thank You!
