lzy 213 1023 r1 -2 page 1 of 15 d-amps wireless office services
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LZY 213 1023 R1 -2 Page 1 of 15 D-AMPS Wireless Office Services
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D-AMPS Wireless Office System
Cellular RadioExchange
Mobility Server
Radio Head
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Digital Wireless Office Concept...
Extend the value of the Cellular Macro network into the enterprise
– Ericsson DWOS and operator partner to provide incremental added value for enterprise customers
RF Coverage/CapacityAbbreviated DialingCall DeliveryFlat Rate Pricing
Single Phone Concept
IS-136/TDMA Evolution (Open Standard)
Virtual Single Cell Architecture (vs Microcellular)
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Virtual Single Cell Advantages
Efficient use of RF-Spectrum– All frequencies available to any base station
– Multicasted Digital Control Channel
Low interference– Automatic Frequency Allocation
– Dynamic Channel Selection of lowest interfered channel
– Mobile Power Control based on interference
Installation and support– Minimal cell planning required
– Category 5 cable
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Today’s Business Challenges . . .
As companies continue to “rightsize”, employees must do more with less
Average hours an employee works per week increased from 44 to 51
Quality customer service / responsiveness is no longer a competitive advantage, but a competitive necessity
Time to market / first to market timelines continually become shorter
Employee satisfaction is moving up the priority list
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Source: Wall Street Journal, Yankee GroupEricsson Proprietary
Today’s Workplace Challenges . . .
7 out of 10 calls fail to reach the person called
1.5 hours a day spent in voicemail (302 hr./year)
average employee spends almost 40% of time away from desk
at least 2/3 of the time is spent within the same building or campus
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Who Benefits from Wireless Office?
Wireless Operators
Enterprises
End Users
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Wireless Office Benefits the Operator . . .
The service provides a sizeable and positive NPV via increased airtime, monthly fees, etc.
Customer retention tool– Churn reduced to 0%!!
Attract new business users– Reduced cost to acquire a customer (group sign up)
Positive churn (users from other operators)
Perceived as market/technology leader– Competitive advantage via service differentiation– Differentiation against other wireless technologies
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Increased productivity
Cost savings– Reduced costs for moves, adds and
changes
– Reduction in call back costs
– Reduced equipment cost
– More control over mobile phone usage
Wireless Office Benefits the Enterprise . . .
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Improved availability– Faster and more accurate
decisions can be made– Positive impact on sales
revenues
Improved customer satisfaction
Wireless Office Benefits the Enterprise . . .
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One phone
One office number
Increased accessibility and mobility
Increased business opportunities
Wireless Office Benefits End Users . . .
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Manufacturing operations
General business
Hospitals
Utilities
Professional firms
– legal/consulting/financial
Conference centers/resorts
Wireless Office
Key Market Segments
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System Architecture
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PBX Support
CellularRadio
Exchange
RadioHeads
Mobility Server
PSTN
PBX
The following PBXs will be tested on our lab
– Ericsson– Lucent– Nortel
Trunk interface to PBX– AT&T ISDN PRI– No need to allocate a PBX
extension for each Wireless Office user
User configurations– PBX only– Wireless Office only– Both PBX and Wireless Office
System
System is prepared for Central Office trunks
ISDNPRI
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End User Features/PBX Services
Concurrent ringing
Calling line/party ID presentation and restriction
Inquiry, refer back and call transfer
Call back when free
Personal number – Call forwarding– Call screening
Cellular call screening
Abbreviated dialing
Call discrimination
Call waiting
Personal assistant– DTMF and web administration
Wireless Office System Voice Mail
PBX Voice Mail
Message Waiting Indicator
Authentication
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Radio Network Requirements
High Radio Network Quality
No interference to external systems
Automatic Radio Network Control
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System Capacity
Coverage controlled by number and placement of radio heads
– Maximum 32 radio heads per system
Call handling capacity controlled in Cellular Radio Exchange
– Up to eight SPUs
– 45 Erlang @ 0.5% Blocking 900 users @ 50 mE/user 450 Users @ 100 mE/user 225 Users @ 200 mE/user
10,000 users can be defined in the system
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Operation & Maintenance
Minimal cell planning
– Automated radio network control
– Digital control channel multi-casted
– Yields for outdoor system
– Blocking of selected frequencies possible
Management through Web browser and TCP/IP connection
– Access rights defined by user category
Hot swapping for capacity expansion
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Summary
Private network node – MSC and VLR functionality
– IS-41 link to HLR
Virtual single cell radio infrastructure
– High capacity
– High voice quality
– Minimal cell planning
Flexible architecture– Independent capacity and
coverage expansion possible
Easy installation and support
– Standard twisted pair cables
– Web browser based O&M application
– Plug and play
Wide range of PBX features