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WFDS-SOLUTIONFor In-building Wireless Services
July, 2009
2 Confidential Information
We have just introduced its brilliant, We have just introduced its brilliant, excellent solution excellent solution
WFDS-TM
3 Confidential Information
WFDS has a versatile and scalable WFDS has a versatile and scalable architecturearchitecture
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With WFDS, mobile users can be reached With WFDS, mobile users can be reached anywhere in the buildinganywhere in the building
MU
EU RU
Fiber
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Solution: MultiSolution: Multi--system and Installation system and Installation ChallengeChallenge
The WFDS solution Designed for the Multi-System coexistence and highest possible data rate
Different system (2G/3G/WLAN/LTE/WiMax/FTTH) can share the same DAS (Future - proof)
No need change DAS when add new system Limited need for space (no footprint)
Standard 19UnitsOften co located in the IT rack
Small low power base stationsSave power(1kW) and temperature load
No footprint, installed on the wall
Light Fiber cablingUses standard Fiber cabling
WFDS Installation, Wall Rack
BTS Installation, Wall Rack
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The Challenges: MultiThe Challenges: Multi--system system Coexistence & Installation ComplexityCoexistence & Installation Complexity
Specific challenges using the traditional passive DAS design
Each System has different signal requirement, difficult to share the traditional passive DAS, no future-proof consideration
System upgrade and new service added difficult Large footprint for base station, typical 3 x 19rack per operator Need dedicated room and high Thermal and Power load (10-20kW) Load of cable installation and high impact installation
7 Confidential Information
WFDS will have outstanding application WFDS will have outstanding application advantage at such fieldsadvantage at such fields
In-Building wireless solution trend Guarantee the Communication Anywhere, Anytime and Anyone
Urban Areas
Shopping malls Convention centers
Private Facilities
Businesses Campuses Hotels Hospitals
Public Venues
Subways Airports Stadiums Government offices
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Coverage and Capacity for
Beijing OlympicsWFDS Case Study
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BTS Hotel ConceptBTS Hotel Concept
z Single Equipment Room for BTSz Feeds the sporting venues;z Feeds outdoor picocells;
z Advantagesz BTS Hotel located outside secure zone
easy and faster access BTS Hotel;z Reduced BTS count sharing capacity; z Trunking Efficiency for GSM - less handovers gives more
capacity;z Dynamic resectorization possible - move capacity to where it
is needed most; z Build-out less complex - air-conditioning, power and
equipment space is simplified;
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WFDS Delivering the HighWFDS Delivering the High--Tech Edge forTech Edge forstadium coveragestadium coverage
Venue / SectorBTS Hotel
1800 GSM
800 CDMA
2100 UMTS
900 GSM SMF
Power Supplier Fiber
WFD
S Main U
nits
EU
EU
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Olympic Sports Stadium DesignOlympic Sports Stadium Design
z CDMA has different requirements than GSMz CDMA requires a higher quality RF
environment to achieve higher capacity
z CDMA Requires:z Low Ec/IOz Low Mobile Transmit Power to reduce interference
(means loss of capacity)
z Minimized soft handover (increases capacity)z Sector isolation (increases capacity)
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Olympic Sports StadiumOlympic Sports StadiumCDMA Design CDMA Design 6 Sector Design6 Sector Design
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Olympic Sports StadiumOlympic Sports StadiumCDMA Design CDMA Design -- Soft Handover AreasSoft Handover Areas
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Olympic Sports Center Stadium DesignOlympic Sports Center Stadium Design
z With isolated sectors and correct design, cost efficient, high capacity CDMA designs can be achieved
z Dynamic resectorization makes it possible to allocate capacity as needed, lowering the overall cost
z Low cost coverage solutions often result in excessive use of base stations and poor performance
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Capacity Management with a BTS Hotel
z Capacity can be dynamically allocated based on traffic demands and BTS availability
z Several sectors can be combined during low usage to better utilize BTS resources
How Do We Manage Capacity
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Olympic Sports Stadium SixOlympic Sports Stadium Six--Sector DesignSector DesignNative Six Sectors Native Six Sectors High TrafficHigh Traffic
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Olympic Sports Stadium DesignOlympic Sports Stadium DesignConversion to a ThreeConversion to a Three--Sector Design Sector Design Medium TrafficMedium Traffic
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Olympic Stadium DesignOlympic Stadium DesignConversion to a One Sector Design Conversion to a One Sector Design Low TrafficLow Traffic
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Summary Summary WFDS WFDS AdvantageAdvantages vs Other solutionss vs Other solutions
z Better call performancez More capacityz Flexibility to change
sectorsz BTS in 1 locationz Dynamic capacity
z Cost recovery after Olympics
z Full alarming and monitoring
1% v 20% 20%-30% greater Hours vs days
Save 30% BTS
Reuse 50% after Olympics
Faster fault repairs
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WFDS Design WFDS Design Olympic Sports StadiumOlympic Sports Stadium
China Handicapped Athlete Training BaseTotal Area: 120,000 M2
Include Athlete Dorm, Scientific research
building, Gate ball gym, Ground track
Field, Swim gym, Synthetical training gym;
Total Equipments used:
Main Unit 4 sets;
Extend Unit 16 sets;
Remote Unit 98 sets;
21 Confidential Information
Award CupCertification of
Honor
Certification of Honor
Letter of commendation
Awards from China Mobile Beijing for Olympic projects
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Award Cup Certification of Honor
Awards from China Mobile Tianjin for Olympic projects
