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The Wireless Access System:
corDECT
Presented By:
Amit Upadhyaya,Abhishek Raizada,
Prashant Upadhyaya
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Introduction Of corDECT A new wireless local loop system to eliminate the physical
connections between telephone exchanges.
To offer significant cost-savings, rapid installation, and
improved reliability over traditional connections based oncopper cables.
Based on the European Digital Enhanced CordlessTelecommunications standard
Uses relatively low-cost, easy-to-install subsystems and
can serve relatively high subscriber density environments -several thousands of subscribers per square kilometre.
Developed by Midas Communication Technologies andthe Indian Institute of Technology, Madras, in associationwith Analog Devices Inc., USA.
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NEED FOR corDECT
For Fast Speed.
For Low Cost.
For Lossless Connection.
For Security.
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corDECT wireless access system
Conceptual Model:
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corDECT wireless access system corDECT Model:
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Contd.
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Contd.
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Features
Frequency Band
Mode of Access
DECT FRAME STRUCTURE
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Features: contd.
Multi-Carrier TDMA
Transmit Power
Voice Digitization
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CorDECT SERVICES Voice Quality
Data Services
Internet Access Speed
Payphone/PCO
System Capacity
AirInterface Transmit Power
Typical CBS Coverage
Typical RBS Coverage Authentication and Subscription
Major Subscriber Services
OMC Features
System Administration Features
Traffic Analysis
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Functions Performed by corDECT Call Connection Functions
Release Control System
Time Monitor and Forced Call Release
Routing for Outgoing Calls
Routing forIncoming Calls
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OPERATIONS Subscriber Line Administration
Port Administration
Trunk Administration
Routing Administration
Billing/Charging Administration
Traffic Measurements Administration
Password Management
Hardware Configuration Commands System Administration
DECT Parameter Administration
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Maintenance The system has a fully duplicated controller for the
purpose of redundancy.
The system continuously monitors the health of Basestations and the links between the DIU and CBSs.
The system gives visual and audible alarms in case offailure and context sensitive logging of faults.
The system has a powerful user-friendly command set with
on-line help.
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Advantages The equipment is good for clustered population in around
25-50 Kms range.
Lower initial cost of an Exchange equipment. Power Consumption of the order of 2000 Watt for 1000
lines.
Flexible network extension.
Air Conditioning not required for BSD & RBS installed atvillage level.
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Disadvantages Subs equipment requires more maintenance
The battery is to be changed almost alternate year.
Spectrum Charges to be paid.
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Conclusion The corDECT development team will continue to make
available new products to take corDECT to ever higher
levels of performance. Existing versions will be maintained and upgraded.
With this paper we can conclude that this will ensure that
corDECT remains the most versatile and cost-effective
WLL system with the best suite of features and services.
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References Gast, M.S. (2002). 802.11 Wireless Networks: The
definitive guide. Sebastopol, CA: OReilly & Associates,Inc.
7 Blogh, J.S. & Hanzo, L. (2002). Third-GenerationSystems and Intelligent Wireless Networking. WestSussex: John Wiley & Sons, Ltd.
www.tenet.res.in/cordect/cordect.html
www.midascomm.com/products.htm www.developmentgateway.org
www.i4donline.net
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THANKYOU
