Remote Radio Systems & FTTA The future for mobile … FttA compressed... · 2015-04-01 ·...
Transcript of Remote Radio Systems & FTTA The future for mobile … FttA compressed... · 2015-04-01 ·...
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Remote Radio Systems & FTTA
The future for mobile communications
cabling infrastructure …
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Excellence in Connectivity Solutions
What are Remote Radio Systems?
Conventional System Remote Radio System
• Use of corrugated coax cables
• 50% feeder losses• Distance max. 100m• Usage decreasing
• RRH on tower • Fiber optic and 48V
power feeders• Distance up to 20km• Usage increasing,
becomes dominating solution
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Excellence in Connectivity Solutions
Reduction of Operating Costs (OPEX)
• No RF feeder losses, less cooling
• Remote radio systems reduce energy consumption by up to 50%, less site power equipment including batteries required
• Network costs
–⅓ rent, technical maintenance, data backhaul
–⅔ energy consumption
• Network costs account, on average, for 30% of total operating costs (OPEX).
Remote Radio System
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Excellence in Connectivity Solutions
Reduction of Installation Costs (CAPEX)
• Longer distances and more innovative network architectures
• Easier site acquisition and lower rental costs, no traditional telecom room required
• No crane required (no BTS or container on roof)
• No high-power provisioning
• Faster network rollouts
Remote Radio System
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Excellence in Connectivity Solutions
Structural Implications
6 Sector Install (100m Tower) RF
• Coaxial Cable (1 5/8” Foam) = (1.6 Kg/m X 12) X 100
• Total = 1,920 Kg• Does not include TMA or Earthing
6 Sector Install (100m Tower) RRH• Optical Cable (12F) – 6 Kg • FTTA Box – 3 Kg• RRHs (6) – 120 Kg• Power Cable – 180 Kg• Total = 309 Kg
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Excellence in Connectivity Solutions 6
Global mobile trends 2013–2018
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Excellence in Connectivity Solutions
Installation Shift
De-bundling
Discrete Solution«OEM turnkey
Solution»
“Scale-able”
Supports Multi Vendor Installs
Future Proof
Easier to Deploy
Trends
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Reduces Costs / Field
Failures
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Excellence in Connectivity Solutions
How operators cope with mobile data explosion?
#1 IMPROVE MACRO LAYER
#2 DENSIFY MACRO LAYER
#3 ADD SMALL-CELL LAYER
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Excellence in Connectivity Solutions
How operators cope with mobile data explosion?
#1 IMPROVE MACRO LAYER
#2 DENSIFY MACRO LAYER
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Excellence in Connectivity Solutions
2100 MHz
Typical Macro Cell Site Scenario.....
800 MHz 2600MHz900 MHz 1800 MHz
2G/GSM 2G/GSM 3G/UMTS
2100 MHz
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Excellence in Connectivity Solutions
Frequency refarming
800 MHz 2600MHz900 MHz
2G/GSM 2G/3G 3G/UMTS
2100 MHz1800 MHz
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Excellence in Connectivity Solutions
Frequency refarming (2)
800 MHz 2600MHz
2G/3G 2G/LTE 3G/UMTS
2100 MHz1800 MHz900 MHz
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Excellence in Connectivity Solutions
Frequency auction – LTE in new band
2600MHz
2G/3G 2G/4G 3G/UMTS
2100 MHz1800 MHz900 MHz
4G/LTE
800 MHz
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Excellence in Connectivity Solutions
LTE capacity enhancement
2G/3G 2G/4G 3G/UMTS
2100 MHz1800 MHz900 MHz
4G/LTE
800 MHz 2600MHz
4G/LTE
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Excellence in Connectivity Solutions
120° sectors to 60° sectors
2G/3G 2G/LTE adv 3G/UMTS
2100 MHz1800 MHz900 MHz
4G/LTE
800 MHz 2600MHz
4G/LTE
.
.
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• Tower Loading Issues
• Scalable / Future-Proof
• Time to Market / Deploy
• Total Cost of Ownership
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Excellence in Connectivity Solutions
RRH Installation System Growth Drivers......
More FTTA, PTTA, HTTA
Opportunity per Site
Low inductance Cable
Easier / Quicker to install solutions
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Excellence in Connectivity Solutions
Singlemode vs Multimode
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• Singlemode
• Given the data rates already shown the push is clearly towards Singlemode
• Bend insensitive SM fibre now much closer delta to MM fibre cost
• Multimode
• Distance limitations for higher data rates .... OM2 ? OM3 ? OM4 ?
• OEM’s pushing Operators to take turnkey Remote Radio systems using MM including ‘their’ MM SFP’s – or risk voiding the warranties
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Excellence in Connectivity Solutions 18
New Trends
• More and more systems deployed• users want better coverage� More traffic
• Smaller cells
• More frequency bands
• Revenue per end-user is dropping� Commodity Products
� Cost pressure on system hardware.
• Small cell concept• Many small BTS for local coverage.
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Excellence in Connectivity Solutions 19
New Requirements
• Space• Equipment size
• Connector footprint
• Number of connectors increases
• EMI, PIM
• Maintenace and Service• Same look and feel
• Safe
• Simple/ One handed
� TOTAL COST OF OWNERSHIP (for Mobile Operator)
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RRH InstallationScenarios
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Excellence in Connectivity Solutions
Many Vendors – Many Interfaces –Different Cable OD’s
RRH FO Connectivity (The OEM’s)
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Connectorised
MM or SM
Different Breakout lengths
7 / 5.5 / 4.8mm OD typ.
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Excellence in Connectivity Solutions
Discrete Cables - Fiber
• Avaialble to all
OEM stds
• Connectorised
• LC to LC
• With or Without
Glands/Boots
• PUR / LSFH Cable
(UL1666)
• 7.0, 5.5 & 4.8mm
OD
• Temp.range -40 °°°° to
75 / 85°°°°C
• Animal bite options
available
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Excellence in Connectivity Solutions
Discrete Cables - Power
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2 core shielded Power Cable
•LSFHTM Jacket Material
•Stranded Copper
• 2 x 4 mm2
• 2 x 6 mm2
• 2 x 10 mm2
• 2 x 16 mm2
Cable Clamps
•Combined for Fiber and Power cables
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Excellence in Connectivity Solutions
Discrete Hybrid cables
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Single or Dual fibre pair
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Excellence in Connectivity Solutions
Multi-fibre riser + Box
RRH Jumper Cables
•Pre-terminated assemblies
•Changeable as connectivity changes
•Reduces field breakage costs
FTTA Box
•LC / MTP patch connections
•Easy installation
•Easy upgrade
•Scalable up to 12 RRH‘s
Riser assembly
•MTP option, pre-terminated, up to 24 fibers
•Pulling and protection tube
•Quick installation, plug and play
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Excellence in Connectivity Solutions
Multi-fibre riser + box
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LC-HQ uniboot
LC-HQ uniboot
for 6 or 12 RRH
FTTA box 6 RRH
FTTA box 12 RRH
LC duplex
to RRH Connectivity
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Excellence in Connectivity Solutions
Multi-fibre boxless
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RRH Jumpers
•Push-pull plug to RRH Interface
•Reduces on-site Installation time / failures
•Easy swap out / Upgrade of RRH
Multi-fibre riser
• Only one fiber riser for up
to 12 RRH
• No Mast Mount boxes
• Reduced real estate
• Push-pull extension
terminated for multi-vendor
installs
Preferred FTTA solution up to 12 RRH
Cost efficient installation
Short lead timeStock items
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Excellence in Connectivity Solutions
Multi-fibre boxless
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Push-pull plug
to RRH Connectivity
for 6 or 12 RRH
Push-pull extension
LC-HQ uniboot
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Excellence in Connectivity Solutions
Multi-power boxless
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Optional RRH Jumpers
•Connectorised Power jumpers
•Reduces on-site Installation time
Riser
• Only one power cable for
3 & 6 RRH
• No Mast Mount boxes
• Reduced real estate
• Lowest installed cost
• Optional connectorisation
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Excellence in Connectivity Solutions
Multi-fibre boxless bulkhead
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RRH Jumpers
•Push-pull plug to RRH Interface
•Reduces on-site Installation time / failures
•Easy swap out / Upgrade of RRH
Multi-fibre riser
• Only one fiber riser for up
to 12 RRH
• Compact Connectorised
head
• Reduced real estate
• Push-pull extension
terminated for multi-vendor
installs
Pre-connectorised FTTA solution up to 12 RRH
Cost efficient installation
Integrated hoisting fixture
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Hybrid Cables
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Excellence in Connectivity Solutions
Why Hybrid Cables........
3 Sectors with RF
Corrugated Coax Cables
MLE Hybrid for 3 RRHs
Discrete Cables for 3 RRHs
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Excellence in Connectivity Solutions
Why Hybrid Cables........
6 ‘Old’ TMO Antennas with RF
Corrugated Coax Cables
3 x 3/6 MLE cables (supplying 3 x 3 Ericsson AIR Antennas -
18 Technologies)
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Excellence in Connectivity Solutions
Flexible hybrid – Ease of deployment
Flexible Cable Construction
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Excellence in Connectivity Solutions
Properties
• 1/2 up to 10/24
• 4mm2 up to 25mm2
• 5mm bundled fiber cable (up to 24 fibers)
• Two wires for each RRH.
• Copper tape for screening
• 10mm2 Drain wire for easy grounding in BTS.
• Ripcord between copper foil and jacket.
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Com
pany
Con
fiden
tial
Current hybrid cables
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Excellence in Connectivity Solutions
Boxed hybrid
RRH Jumper Cables
•Pre-terminated assemblies
•Changeable as connectivity changes
•Reduces field breakage costs
HTTA Box
•Easy installation
•Easy upgrade
•Connectorised option
•OVP Capability
MLCH Riser Cable
•6 Pair Power 10, 8 or 6AWG
•MASTERLINE classic up to 24 fibers
•Pulling and protection tube
•LCD or MTP termination
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Excellence in Connectivity Solutions
Boxless hybrid
MLEH• Only one hybrid cable for 3 to
10 RRH• No Mast Mount boxes • Reduced real estate• Low installed cost• Q-ODC extn terminated fiber
for multi-vendor installs at RRH end
• MASTERLINE classic LC Duplex termination at BBU End
• Power cable connectorised or blunt cut
• Easy overlength management –no special tools required
• No fast wrap / sealing on site required
• Easy to deploy• 3-10 Pair Power 10 or 6mm sq
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Excellence in Connectivity Solutions
Boxless hybrid – some configurations
only one cable per multi-RRU install
Blunt cut power at Equipment end
Push-pull plug
to RRH Connectivity
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3/3
6/6 6/6LC-HQ uniboot to
equipment
6/12
9/18Power plug
to RRH Connectivity
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Excellence in Connectivity Solutions
Boxless Hybrid bulkhead
39
MLUH• Only one hybrid cable for 3
to 6 RRH• Connectorised Compact
head• Reduced real estate• Low installed cost• Q-ODC extn terminated fiber
for multi-vendor installs at RRH end
• MASTERLINE classic LC Duplex termination at BBU End
• Power connectors • Easy overlength
management – no special tools required
• No fast wrap / sealing on site required
• True Plug and Play Hybrid
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Excellence in Connectivity Solutions
Fixing of the FO branches
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Excellence in Connectivity Solutions
Installation aids –Animation/Video and Instructions
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Excellence in Connectivity Solutions
Installation aids – Ease of Install
Simple Over-length Management
Standard Grounding Kits
Integrated 6 AWG Drain /
Ground
Integrated, Intuitive Pulling & Clamping Features
Integrated Protection tube / Cabinet entry gland
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Excellence in Connectivity Solutions
Hybrid Solutions – Globally Installed
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Excellence in Connectivity Solutions
Hybrid Solutions – Globally Installed
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Contents
Spanners in theWorks .....
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Excellence in Connectivity Solutions
Odd requirementsBird Attack Solutions
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Excellence in Connectivity Solutions
General
In electromagnetism, inductance is the property of a conductor by which a change in current in the conductor "induces" (creates) a voltage in both the conductor itself (self-inductance) and in any nearby conductors (mutual inductance) Source: Wikipedia.
Problem:
With LTE radios the power is sent as pulses, due to this pulsing effect the RRH induces a self-inductance voltage. This physical effect generates a temporary voltage drop. While the system is running on battery backup, this voltage drop can cause a system failure (insufficient voltage/power supply).
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Inductance
Current hybrid cables
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Excellence in Connectivity Solutions
Current values (conventional cable construction)
• Between 0.5uH/m up to 0.8uH/m
Problem:
• Temporary Drop Voltage while system running on battery backup.
• OEM’s system requirement: L’ ≤ 0.2uH/m.
Solution: Low inductance hybrid power cables
48
Com
pany
Con
fiden
tial
Inductance today
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Excellence in Connectivity Solutions 49
Measurement and comparing
Conditions of measurement: 20 meter cable length, 6mm2, 20°C temperature, Dielectric: XLPE (cross-linked polyethylene), Conductor: copper
10µS/100kHz
Conventional version (separate power wires)
Temporary voltage drop: ~8VSetting time: ~0.17ms
Low inductance hybrid cable (power coaxial wires)
Temporary voltage drop: ~3VSetting time: ~0.03ms
Temporary voltage drop
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Excellence in Connectivity Solutions
Some on-site ‘specials’ – normally in foreign climes !
50
Who needs two cable jacks/rollers ?
Why not use a step ladder, a broom and one of the i nstallers ??
Ooooooh it’s getting a bit heavy !!
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Excellence in Connectivity Solutions
Some on-site ‘specials’ – normally in foreign climes !
51
A little bit of Overkill for two antennae !
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Excellence in Connectivity Solutions
Some on-site ‘specials’ – normally in foreign climes !
52
Climbing tower Hong Kong style !
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Excellence in Connectivity Solutions
Remote Radio Head systems are a reality
• Offer the Operators the opportunity to increase data rates at ever-reducing cost deltas due to Opex reductions
• Offer the OEMs a new revenue stream with long-term, high value Managed Services deals
• Offer the Installers new opportunities to replace the declining copper feeder work
• Training for new (FO) skills for the riggers
• Next level of integration for ASPs
In Summary
Complimentary Products
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Thank you