Constructing an
In-Building Wireless Strategy
COPYRIGHT © 2011 ALCATEL-LUCENT ENTERPRISE. ALL RIGHTS RESERVED.
The current state of healthcare in-building wireless
Users
Employees
Affiliated Doctors Patients
Visitors
Clinical Machines
Contractors, Public Safety
Devices
Applications
Personal
Corporate
Single Function
Multifunction
CLINICAL
Voice (1-way/2-way)
Human Data (Internet, Intranet)
Machine Data
Real time location services
A complex mix!
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In Building Wireless Strategy
COPYRIGHT © 2011 ALCATEL-LUCENT ENTERPRISE. ALL RIGHTS RESERVED.
Commercial wireless communications are changing …..
Data traffic growing rapidly
• Smart devices
• Device OS standardization
• All IP Networks
• Outdoor  Indoor usage
• Driving innovation
3G Network
Data
Traffic
3G
NetworkVoice
Voice& &
Data
Traffic
3,000,000
(Tb/year)
Data
Voice
2,000,000
1,000,000
-
2007
• HSPA upgrades 2010
• LTE rollout 2011
• Purchasing T-Mobile
2009
2010
2011
Carriers’ response
• 4G – LTE for capacity
• IP Core Network for QoS
• IMS for advanced applications
• SLAs for commercial/mission
critical applications
• Aggressively extending network
service indoors
• Launched LTE in 2010
• Aggressively pursuing
applications in select
verticals
• Network Vision program
2011-13 will upgrade 4G
capability in all markets
• All IP core network
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In Building Wireless Strategy
2008
COPYRIGHT © 2011 ALCATEL-LUCENT ENTERPRISE. ALL RIGHTS RESERVED.
Carrier services
becoming ever more important
Powerful devices,
strong preferences
Faster Wireless Networks
Contributing to…
…new applications
…truly mobile computing
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In Building Wireless Strategy
COPYRIGHT © 2011 ALCATEL-LUCENT ENTERPRISE. ALL RIGHTS RESERVED.
There are multiple frequencies available for use,
licensed and unlicensed
Licensed spectrum
Unlicensed spectrum
(802.11, Bluetooth,
Microwaves)
WMTS spectrum
Radar
Fluorescents
Microwaves
Baby
Monitors
0
1000
2000
3000
4000
frequency(MHz)
5000
6000
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In Building Wireless Strategy
COPYRIGHT © 2011 ALCATEL-LUCENT ENTERPRISE. ALL RIGHTS RESERVED.
RF behavior dependent on frequency, materials
Lower frequency,
better penetration
Hospital Environments
particularly challenging…
and variable
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In Building Wireless Strategy
COPYRIGHT © 2011 ALCATEL-LUCENT ENTERPRISE. ALL RIGHTS RESERVED.
Planning your RF environment
Strategic choice
Coverage, capacity or both?
Reality Check
• Examples from the field
It’s not a limitless
resource
•
•
•
•
Co-channel interference
Asset congregation trouble
Public safety channel allocation
Citywide paging networks
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In Building Wireless Strategy
COPYRIGHT © 2011 ALCATEL-LUCENT ENTERPRISE. ALL RIGHTS RESERVED.
How do you manage your airspace?
Hospital In-Building Wireless Environment
Managed
Unmanaged
IS/IT
Facilities
Purchasing
Bioengineering
Affiliated
Docs
Patients,
Visitors,
Patients,
Visitors,
Contractors
Contractors
WiFi
Public Safety
Mobile
devices
Telemetry,
pumps
Mobile
devices
Mobile
devices
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In Building Wireless Strategy
COPYRIGHT © 2011 ALCATEL-LUCENT ENTERPRISE. ALL RIGHTS RESERVED.
DAS is part of the solution that can help you
unify your in-building wireless environment
DAS Facts
Antennas
Cellular
Paging
2-Way
Combined
Services
Master
Unit
• DAS distributes signal (e.g. GSM, PCS, EVDO,
LTE) throughout the facility from base station
to individual indoor antennas
Fiber (up to
6km)
Thick
coax
Expansion
Unit
Thin coax or
Cat-5 (up to
400m)
Remote One per
antenna
Unit
Passive
DAS
Active
DAS
• Passive DAS
• Classic coax network, cabling to each antenna
carefully engineered
• Limited monitoring, suitable for small buildings
• Active DAS
• Expansion unit adapts to cable length
Distributed Antenna Array
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In Building Wireless Strategy
COPYRIGHT © 2011 ALCATEL-LUCENT ENTERPRISE. ALL RIGHTS RESERVED.
Building the perfect DAS
Recommendations
Rationale
1
Carrier Neutral
Satisfy all constituents
2
Active, not passive
Better
Monitoring
Better
Scale
Better Signal
& Device
Longevity
QoS
Management
3
No wifi on the DAS
Application
needs differ
Maximize use of
airspace
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In Building Wireless Strategy
COPYRIGHT © 2011 ALCATEL-LUCENT ENTERPRISE. ALL RIGHTS RESERVED.
Refresh cycle varies
Wireless Applications:
Where should they go?
Considerations
• Performance
Telemetry?
• Speed, availability (VPN?)
RTLS?
• Security
PACS access?
Voice?
• Is there really a difference?
• Device selection
Emergency radio?
• Sometimes the decision is made for you
• True cost
0
1000
2000
4000
3000
frequency(MHz)
5000
• Staffing, licensing, monthly fees, equipment
6000
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In Building Wireless Strategy
COPYRIGHT © 2011 ALCATEL-LUCENT ENTERPRISE. ALL RIGHTS RESERVED.
Conclusions
• Your in-building wireless environment can be a coherent system
• You have choices over where your applications should run
• Consider needs of users
• Devices
• Applications
• Alcatel-Lucent understands in-building wireless
• Knowledge and experience of licensed and unlicensed spectrum
• Understanding of healthcare environment and applications
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In Building Wireless Strategy
COPYRIGHT © 2011 ALCATEL-LUCENT ENTERPRISE. ALL RIGHTS RESERVED.
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In Building Wireless Strategy
COPYRIGHT © 2011 ALCATEL-LUCENT ENTERPRISE. ALL RIGHTS RESERVED.
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