The Fundamentals ofIn-Building Wireless SolutionsPresented By: Gary Young
Active Distributed Antenna Systems (DAS)• LAN/WLAN-like topology• Standard structured cabling - fiber optic and CAT5 or CATV cabling• Less disruptive
Installation Project Phases and Challenges
IB ildi Wi l I l t ti St• Budgetary design – usually based on floor plansDetermine which areas of the building require coverageIn-Building Wireless Im
In-Building Wireless Implementation Scope of Work cont’dCarrier req irements/coordination•Carrier requirements/coordination– RF Source– Retransmit agr
Facility and Installation Considerations –Potential Cost Impacts• Type of environment - Open layout, dense, mixed useB ildi’tti til(htkblk tl t t)•Bui
SilRi tAliti PfilSpecial Requirement -Application Profiles• Hospitals– Tenting, incumbent installer, conduit, core drilling, work hour restrictions, v
SlPjtTiliSample Project TimelineDate Item Assignment Comments Budgetary Design Solutions Provider Budgetary design based on floor plan coverage ana
Building Evaluation & DesignBuilding Evaluation & DesignThis diagram illustrates the macro signal macro signal penetration in the Building.
Design Layout –Antenna Locations
Design LayoutRF Coverage DesignDesign Layout –RF Coverage Design1900 MHz, 4RF Carriers @ 10 dBm/carrier-65 dBm -75dBm -85dBm
Agenda• Introduction to In-Building & Campus Wireless Solutions– Enterprise Market Trends– Benefits of In-Building Wireless Systems– In-Building W
The Skyscraper Challenges - QualityInterference & Isolation• User sees signals from many base stationsgy– Interference• Metallic coated windows at
Th I t ll ti Ch ll T diti l CThe Installation Challenge: Traditional CoaxSpecific challenges using the traditional design•Large footprint for base sta
In-Building Business Models
Common Business ModelsCommon Business Models• Carrier/operator pays (traditional model) – i.e. Intel, Ford–Carrier covers cost of all equipment, cabli
ResponsibilitiesMobileEnterprise/Manufacturer MobileOperatorEnterprise/BuildingOwnerManufacturer & local partnerDesign and quality (X) XDAS equipm
Conclusions• Users of the building expect full mobile data service from day one• Indoor systems should be pre installed, like other utilities in the b
Why The Need For InBuilding Coverage?Why The Need For In-Building Coverage?• Mobile devices are becoming the preferredmeans of communication:– ”One pe
K Th U f th B ildi HKeep The Users of the Building HappyThe advantages for the users of the building• Full mobile coverage– Maximum data performance•
EiBfiEnterprise Benefits• Improved quality of serviceGdll ti hddll–Good call connection anywhere –no dropped calls– High speed data connections – appl
InBuilding Wireless System SolutionsIn-Building Wireless System Solutions What Are The Options?• RF Source (needed for all DAS solutions)Antenna/Repea
Btt Dt P fBetter Data PerformanceWhy will the users prefer to use 3G/4G over WiFi?• Mobilityy– Coherent coverage, – New laptops come with mobile card
Dt S i I Th FtData Service Is The FutureData is on the rise• Coax solutions do not perform well with the higher data rates– Was ok when designed for v
Passive Distributed Antenna Systems (DAS)•Essentially a“sprinkler system”Essentially a sprinkler system for cell phone signals• Distribution via large
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