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From: firstname.lastname@example.org (Manoj Vivek)
Subject: Re: Vehicle Detection using RFID other technologies.
Date: 5 Nov 2002 03:09:42 -0800
NNTP-Posting-Date: 5 Nov 2002 11:09:42 GMT
We can provide a GSM technology based cost-effective solution to your
problem. If that is acceptable please respond by email.
email@example.com (Sanjeev Gupta) wrote in message news:...
> We are looking for a transmitter/receiver that can detect a vehicle,
> equipped with a transmitter, travelling at a speed of upto 100 km. per
> hour on a highway. The receiver should be able to read a serial number
> from the tag attached to the vehicle and send it to a receiver
> attached to a computer via serial/USB port. There should not be any
> restriction for direct line-of-sight between the vehicle and the
> receiver/sensor. The sensor shall be placed at a distance of 100
> meters from the vehicle. The sensors/transmitters should be able to
> function in a rugged environment with dust and heat. There should be
> no human intervention required. The product should be low-cost and
> require no or little maintenance.
> We will not be able to use the road loop antenna or overhead gantries.
> Please keep the following issues in mind :-
> 1. The speed of the truck can be between 60 to 100 km/hr.
> 2. There can be more than one truck within the range of the receiver
> at any given point.
> 3. The truck can stop witihin the receiver range. In such a situation
> the receiver should not record multiple instances of the trucks
> 4. There can be bumper to bumber traffic and the truck can be in the
> further most lane.
> 5. There could be line of sight between truck and receiver
> 6. Computer being on throughout, should not result frequent
> 7. Distance between truck and receiver can be upto 100 meters.
> 8. Climate conditions.
> 9. Power problems on non-city roads. Battery backups.
> Best Regards
> Sanjeev Gupta
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