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D-AMPS Wireless Office System

D-AMPS Wireless Office System. Mobility Server. Cellular Radio Exchange. Radio Head. 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

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D-AMPS Wireless Office System

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  1. D-AMPS Wireless Office System Mobility Server Cellular Radio Exchange Radio Head

  2. 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/Capacity • Abbreviated Dialing • Call Delivery • Flat Rate Pricing • Single Phone Concept • IS-136/TDMA Evolution (Open Standard) • Virtual Single Cell Architecture (vs Microcellular)

  3. 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

  4. 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

  5. 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 Source: Wall Street Journal, Yankee Group Ericsson Proprietary

  6. Who Benefits from Wireless Office? • Wireless Operators • Enterprises • End Users

  7. 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

  8. Wireless Office Benefits the Enterprise . . . • 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

  9. Wireless Office Benefits the Enterprise . . . • Improved availability • Faster and more accurate decisions can be made • Positive impact on sales revenues • Improved customer satisfaction

  10. Wireless Office Benefits End Users . . . • One phone • One office number • Increased accessibility and mobility • Increased business opportunities

  11. Wireless OfficeKey Market Segments • Manufacturing operations • General business • Hospitals • Utilities • Professional firms • legal/consulting/financial • Conference centers/resorts

  12. System Architecture

  13. PSTN PBX Support ISDN PRI • 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 PBX Cellular Radio Exchange Mobility Server Radio Heads

  14. 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 administrationWireless Office System Voice Mail PBX Voice Mail Message Waiting Indicator Authentication End User Features/PBX Services

  15. Radio Network Requirements • High Radio Network Quality • No interference to external systems • Automatic Radio Network Control

  16. 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

  17. 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

  18. 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 Summary

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