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corVAN is the Base Station Controller (BSC) for the BroadbandcorDECT Fixed Wireless Access system which provides Toll-Quality Voice and 512 kbps Data Service. One corVAN supports 80 Base Stations and can handle 5000 subscribers. corVAN interconnects the Base Station and the backbone network.
- corVAN interfaces with the Base Stations, directly using xDSL links or through a Base Station Distributor using E1 links
- It interfaces with the internet backbone network to provide data service using Copper or Fibre GigE/FE links
- It interfaces with the Parent Exchange to provide Voice service using E1 links running V5.2, SS7, R2MF protocols
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- Acts as Stand-alone Telecom Voice Switch and does TDM Switching, Call Processing, Tone/Announcement Generation, 3-party conference, Call Monitoring, Supplementary and non-Supplementary services, Charging, allows Billing Transfer to an External Billing Server
- Aggregates the Layer 2 Data Traffic from the Base Stations and Routes them to the Internet Backbone
- Provides Management Interface for FCAPS based Management from a Local GUI-OMC console, Remote Element Management System (EMS)
- Hot-Standby Redudancy of Controller Sub-systems
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4000 Subscribers at 0.10 Erlang per subscriber
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Expandable to 5000 subscribers at 0.08 Erlang per subscriber
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24,000 Busy Hour Call Attempt (BHCA)
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2.048 Mbps G.703 E1 links, HDB3 coding, factory selectable 120 ohms/ 75 ohms impedance
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16 E1 links
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SS7 / V5.2/ R2MF interface options for signaling towards parent exchange
Two S-HDSL interfaces (G.991) per XBS through two twisted pair lines
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Each S-HDSL line provides 2 Mbps data rate between corVAN and XBS
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120V Remote power feed to XBS
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corVAN to XBS distance can be up to 2 Km
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Supports up to 80 XBS in a single corVAN
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Operator Maintenance Console with Graphical User Interface for system configuration and setup, health monitoring, traffic analysis and billing
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Element Management System to manage multiple corVAN systems through centralized management network
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