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LAND-BASE DATA FOR TELECOM NETWORK INFORMATION SYSTEMS [Tata Tele Services Ltd., Gujarat]
Fig. 1: Satellite Image of Ahmedabad City.




Fig. 1: Basemap of Ahmedabad City.



Fig. 1: Detailed map of part of
Ahmedabad City.

Introduction and Background:

The concern for a telecom company is to ensure that the cable layout and the transmission is correctly distributed over an area, so that none of the area remains uncovered and the proper networking is done with the laying of cables and wires with lesser amount of hurdles and optical fibre cable usage minimization and better customer service.

In a typical urban set-up, various buildings are present, with variable building heights, front profiles and notches in their outline plans. Each of these features affects the transmission of signals (in case of cellular telephones) and increase cable lengths in landlines.

Identification of the cable network positions with a precession land-base data will always be a tremendous asset to any telephone company for network planning, management and monitoring.

AIM:

The aim of the project was to generate a land base data profile, using a GIS software, so as to be able to precisely pinpoint the various obstructions in the networking of the cables, finding the possible areas where trenching can be done and giving an updated information of the areas using older available maps, thus providing a sort of various alternatives, which will be time saving and cost effective.

OBJECTIVES:

  • Accurate mapping of the roads, buildings, sewage drains, pipes, telephone junction boxes, electrical junction boxes, footpaths and various other features in the networking process from its inception to the various points where the networking of cables is desired.
  • Integrate various features into a common GIS platform, with a perfect positional accuracy, to ensure that non-overlapping features do not plot one above the other.
  • Generate different obstacle layers.

INPUTS:

  • Remotely sensed data.
  • Differential GPS survey.
  • Detailed field survey data with elevational controls and precession ground controls.
  • Exhaustive field data.


    OUTPUTS:
  • Detailed maps of the study area.
  • Possible obstructions for the trenching sites and laying of the cables networkØ Giving a detailed overview of the city map along with an updated version and the new developing areas where the company wants to venture.
  • 1:1000 scale land base data with 1 % positional accuracy.
  • Classified data in 7 major layers covering approximately 70 types and more than 850 sub types.
  • Final output in *.dwg format files.

Copyright 2004 Kalyani Net Ventures Ltd. l All rights reserved