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From: reinier.I_HATE_SPAM.gerritsen@NO_SPAMchampionchip.nl (Reinier Gerritsen)
Subject: Re: Vehicle Detection using RFID other technologies.
Date: Tue, 05 Nov 2002 08:34:18 GMT
Organization: Solcon Holding BV, Dronten, The Netherlands
X-Newsreader: Forte Free Agent 1.11/32.235
On 2 Nov 2002 00:52:33 -0800, firstname.lastname@example.org (Sanjeev Gupta) wrote:
>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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