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Doubt regarding the RTLS system

By kuttaaaaapi ·
Respected Sir,

My name is Martin Thomas. I am an INDIAN and working as a software engineer in INDIA. Sir I have some doubts regarding the RTLS system. I humbly request you to help me in clarifying the following doubts.


1. Sir, I want to design a system which can position an employee inside an organization.

2. The method I am planning to adopt is the RTLS system in which I will be placing 4 antinnas at different locations and each employee will be wearing an electronic tag (transponder) which can recieve and transmit radio signals. The antenna shall be capable of calculating the distance from the tag and there shall be an interface through which I can get that data (distance) from each antenna to a PC. Once this is posible I can calculate the x,y,z cordinates of the location based on any specified axis.

3. My doubts are,
1.What is the cost of that tag which each emploee wears? Suppose we need a system which can cover an area of 500 meters in radius.
2.What is the cost of such antennas?
3.how these antinnas are connected to the computer( 4 of them ) ?
4.Or is there any need for a control box to control the activities of the antennas ?
5.details of the vendors who provide this hardware?
6.Is it possible to identify each tag seperatly ?
7.If yes How?
8.Range for which the transmission can be extended ?

Sir , Please help me since I need to submit this matter to my superior as fast as possible


Thanking You

Martin Thomas

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Mature Application

by Oldefar In reply to Doubt regarding the RTLS ...

Actually, the use of radio transmitter location systems has a long history. The LORAN sytem for navigation, for example, was active in the 1970's as a commercial application (pleasure craft navigation). Variations on the use of low power or even passive transponders has been common at least back to the 1980's with toll tags, and its application to track assets in manufacturing again goes back three decades.

There are a number of firms that specialize in these applications. Each has its own strengths and weaknesses when considered as a potential provider to your unique environment.

Rather than begin with a cost concern, I suggest you establish a value factor. This value, times the number of employees you need to track, will set the budget. You can then send out an RFP with a target price ceiling to a number of potential providers. Include your key issues to be addressed in the RFP, and leave the approach open to their engineers - drop the technical description and leave only the business requirement of tracking employee location within a specific structure, real-time, with a display portal from a single or from multiple locations.

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