www.prosetechnologies.com
Innovations Enlighten the Green Future
--- PROTREEM Platform Introduction
Author: Prose Team
Date: July 2024
PROTREEM
PROSE eXtra Energy Efficiency Mark-up
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RAN Key Requirements---Trends & Challenges
Prose Innovative Designs Process-Technology & Roadmap
Prose Key Differentiator---Design for High Performances
Prose Green Manufacturing Process
Prose Industry-Standards Project Contributions
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RAN Key Requirements---Trends & Challenges
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RAN Key Requirements---Trends & Challenges
Low Latency
High Reliability
High Capacity and
Traffic Gain
Specified Coverage
Target
High Connectivity
Low Power
Consumption
Easy Access & Efficient
Operation Procedures
- Efficient Coverage Area Peak, Lower& Upper 3dB points
- Low Neighbored cells Interference Same site
- Low Neighbored cells Interference-Neighbored site
- Low Electromagnetic Interference Below Coverage
- Low Wasted energy @Back side and Sky
𝑇/𝜃
-20
Interference
ET-0.5VBW
Interference
75
Interference
Electromagnetic Interference
-60
+60
AZ/𝜙
Sustainable, High Performances on All Bands, Wider Coverage and Best In Class User Experience
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Industry Key Concepts
Legacy Antenna
High Efficiency High Gain Antenna Design
- High Coverage Efficiency.
- High RF Efficiency
- High Gain (typical and average).
H
R
EMI radius (5~8m)
High Gain Antenna Design:
- Low Coverage Efficiency
- High RF efficiency (typical value).
- Highest gain (typical value).
Two Standards Being used to characterize Antenna Specifications.
- Typical Values: To present only best values within a standard deviation range.
- NGMN (BASTA): Average and Overall values
Efficient Power Utilization, Wider Coverage and Best In Class User Experience
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Prose Innovative Designs Process
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Prose Innovative Designs Process---ProTreem Platforms
High Gain & Efficiency
Innovative Air Stripline
Structure for lower
insertion loss
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Phase cable removal to
further reduce loss
Patented Array-Feed
design
Optimized pattern for
higher performances
ProTreem Antenna Technology & Roadmap
1.0
2.0
3.0
Legacy
PD
Phase Shifter + PD Combined
Phase Shifter
Phase Shifter+ PD Combined
+45
Cables, Power Dividers （PD)
+45
-45
617~894/ 698~960MHz
1695~2690MHz
Gain 0.6dB+ Improved
Gain 1dB+ Improved
RF Efficiency_ LB up to 85%+
RF Efficiency_ up to 85%+
RF Efficiency_ HB up to 80%+
PIM – 156dBc
PIM – 153dBc
Traditional coaxial feed structure
Non-phase cable
Windload 30% ↓
from input signal to radiating
Windload 25% ↓
Released in Q2 2024 2L2H, 2L4H
elements.
Released
1427~2690M to be released
+45
-45
Efficiency of 60-65%
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-45
-45
1695~2690MHz
Phase Shifter
+45
by Q1. 2025
1427~2690MHz
612~894/ 690~960MHz
(612~960MHz)
Gain 0.85+dB Improved
RF Efficiency_ LB up to 90%+
RF Efficiency_ HB up to 85%+
PIM – 153dBc
Windload 30% ↓
1st Model to be released in Q2 2025
Prose Key Differentiator---Design for High Performances
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Smart Radiating Element for Optimal Coverage Projection
Design to reduce Interferences
600/700/800/900MHz
1800MHz/2100MHz/2600MHz L-Band Support
- Sharper Roll-Off vs Frequency.
- Higher Gain vs Frequency.
- Low energy present in Secondary lobes.
With Decoupling Technology
Improved Signal-To-Noise Ratio and High Probability
of sector being covered with high capacity.
Total
Capacity
# of Streams
Without Decoupling Technology
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Bandwidth
Signal Noise
Ratio
Innovative Array-Feed design for Coverage Extension with Low OPEX
Eliminating Losses---Maximizing Range Capability
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19.5
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18.5
18
17.5
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- Highly Integrated Structure. No cable between
Phase shifter and radiating elements.
16.5
- Higher RF Efficiency and Gain.
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- Better tilt accuracy settings.
- Lower number of Soldering Joints.
- Design for high product automation rate.
.
Extended Received signal with Zero operation cost
for Uplink power control. TRx power can be also
reduced with Zero impact on coverage/capacity
which is useful for lowering Overall Site power
consumption.
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Savings on Overall Site for a specified coverage target---8-ports Antenna
Power Consumption Reduction
2 x (698-960)/ 2 x (1695-2690)
Legacy Antenna
Freqs Bands
TRX (W)
RF Efficiency(%)
Effective Power(W)
700
2x80
73
116.8
900
2x80
70
112
1800
4x40
65
104
Power Consumption
Savings for Low &
Medium Traffic
Radios!!!
Total TRx power of 480W is needed.
Prose High Efficiency Antenna
Example of Deployment scenario
700MHz, 2T2R, 2x80W
900MHz, 2T2R, 2x80W
1800MHz, 4T4R, 4x40W
Great Impact on Power consumption Gain benefits from
flexible Uplink/Downlink Power control to avoid
compensating SNR variations for high traffic Radios.
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Freqs Bands
TRX
RF Efficiency(%)
Effective Power(W)
700
2x68.5
85
116.8
900
2x68
82
112
1800
4x32.5
80
104
Total TRx power of 403 W is needed.
TRx Power Savings (%)
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Savings on Overall Site for a specified coverage target---12-ports Antenna
Legacy Antenna
2 x (698-960)
4 x (1695-2690)
Freqs Bands
TRX (W)
RF Efficiency(%)
Effective Power(W)
700
2x80
73
116.8
900
2x80
70
112
1800
4x40
65
104
2600
4x40
60
96
Total TRx power of 640W is needed.
Prose High Efficiency Antenna
Example of Deployment scenario
700MHz, 2T2R, 2x80W
900MHz, 2T2R, 2x80W
1800MHz, 4T4R, 4x40W
2600MHz, 4T4R, 4x40W
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Freqs Bands
TRX
RF Efficiency(%)
Effective Power(W)
700
2x68.5
85
116.8
900
2x68
82
112
1800
4x32.5
80
104
2600
4x32
75
96
Total TRx power of 531 W is needed.
TRx Power Savings (%)
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High Coverage Efficiency
Radiating Power projected to the specified coverage target
The coverage efficiency can be specified as the ratio between radiated power in green area
and the total radiated power. Total power is considered (i.e combining both Co-polar and
Cross-polar signals).
2𝜋 𝜋
1
𝑃(𝜃, 𝜙) ≈
න න 𝑃 𝜃, 𝜙 sin 𝜃 𝑑𝜃𝑑𝜙
4𝜋
0 0
𝑁𝜙
𝑁𝜃
≈
1 2𝜋 𝜋
෍ ෍ 𝑃 𝜃𝑘 , 𝜙𝑖 sin 𝜃𝑘
4𝜋 𝑁𝜙 𝑁𝜃
𝑖=1
𝑘=1
𝑃𝑎𝑟𝑒𝑎 𝜃, 𝜙 # ≈ ඵ 𝑃 𝜃, 𝜙 sin 𝜃 𝑑𝜃𝑑𝜙
𝑎𝑟𝑒𝑎
𝜙=+60
𝑇=+75
෍
෍
𝜙=−60
𝑇=𝐸𝑇−0.5𝑉𝐵𝑊
𝜙=359
𝑇=+180
𝑃 𝑇, 𝜙 sin 𝑇
(10)
𝑆𝑒𝑐_𝐸𝑓𝑓 ≈
Conditions:
- Total Power
- Frequency points as per BASTA.
- Tilts: 1~2deg step.
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෍
෍ 𝑃 𝑇, 𝜙 sin 𝑇
𝜙=0
𝑇=0
High Coverage Efficiency
1695-2690MHz Case Study
87%
80%
Coverage Extension, High Percentage
of Link Reliability and Best in Class
User Experiences! Capability of
Handling more traffic in the specified
target.
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Design For High and Stable PIM Performances
High RF Link Performances Required Improved UL Received Signals
SNR>17
10<SNR<17
6<SNR<10
SNR<6
ProTreem high PIM margin design (at least 3dBc) helps to
meet high User Experience under challenging High RF
Link Environments.
SNR>17
10<SNR<17
6<SNR<10
SNR<6
Generated PIM Interferences
Using ProTreem
1dB+ drop in sensitivity results on > 10% coverage impact , >15% download speed reduction!
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Advanced Technology
Low Wind Load Design
•
Patented radome technology
•
Patented end cap solution
•
Tight combination of accurate simulation & Wind
Tunnel test
Top End Cap
•
Modified PP formula Recyclable
•
Lower weight
•
Lower Dk
Simulation
Wind Load ↓
20-50% Wind Force Reduction
Tunnel Test
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Green Manufacturing Process
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PROTREEM Key Takeaway vs Legacy
Improved Rx Signal Level 1-2dB+,
Better User Experience
Windload Savings
Product failure rate reduced 50%+
Improved Coverage 15% ~50%
TRx Power Savings 15%+
Flexibility to reduce #tower 20%
and keep same QoS.
Flexibility to reduce # RF
Components 2~3 times
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Improved Uplink Received Signals
under challenging RF Link
Environments due to Good & stable
PIM performance!
ProTreem Eco Design vs Legacy High Gain Antenna
Mounting Kits
•
Typical hot-dip galvanizing
•
Now AL-extrusion
•
And recycled plastic optional
DFMA
Radome & End Cap
•
Traditional Fiberglass
•
Assembled friendly
•
Soldering joints 70% ↓
•
Efficiency 40%+ ↑
Now recycled plastic
System Power Consumption
Non-plating
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Part quantity reduced
Manufacture Automation
Or Traditional PVC/ASA
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•
Dipole non-plating
•
Cavity non-plating
•
30% +CO2 ↓
•
Hyper-efficiency, higher Gain to
make energy consumption 25% ↓
Green Low Carbon Design
Mounting Bracket
carbon
emission
33.6kgCO2
Radome
carbon
emission
38.3kgCO2
Fiberglass Radome :9.6kg
•
Conventional carbon steel
hot-dip galvanized bracket
•
Weight：10.8kg
•
Aluminum bracket
•
Weight ：3.8kg
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65.7％
76.2％
11.6kgCO2
9.5kgCO2
Recyclable modified
polypropylene
radome :6.3kg
Green Low Carbon Design
DFM
Plating-free design
carbon
emission
13.6kgCO2
carbon
emission
5.0kgCO2
electroplated
16.1％
11.4kgCO2
24.5％
3.8kgCO2
No plating
Labor-hour：5.73 hours Labor-hour：5.18 hours
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Thank You !
New idea and InnovatIon keeps comIng…
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