It was not many years ago, package-tracking was almost entirely speculation. If you want something that will be sent to maybe you need it in 3 days or 3 weeks, and where the package was ordered between the sender and it was a complete mystery. Everything that is) does not change just for the GPS positioning, but also for the radio frequency identification (RFID.
The GPS is a wonderful technique that has revolutionized many areas of our lives, but it issimply too expensive to send a GPS receiver on each set, box package or envelope that is. But there's really no need for GPS tracking on every package. Inevitably, the packages are in a building or a truck, so all you need to know, the truck or building the package and whether the building or truck. Building apparently do not move, so you do not need GPS to route packets in a building, you simply need to know exactly what packages in the increasinglyBuilding.
Shipping and delivery are of course another matter. Carts must follow the GPS packages for the title. Very soon every new van that the roads must have a fully integrated GPS tracking. Older vehicles, a GPS updated at the end, sooner or later, or truck at all likely to be retired. GPS in the truck shipment mainly used to let you know the sender and the shipping companywhere packages are. GPS navigation and for the past, but most drivers know their territory and do not have GPS navigation. Big push for GPS-equipped vans for the tracking of packages.
So you just have to work the system to electronically tag every package. In the system of prior art packages for the near future will be identified by RFID. It will not be long until an RFID tag will be attached electronically to almostAll packages shipped anywhere. In contrast with the existing barcodes, RFID tags do not require electronic visual scanning, and can carry much more information. Bar-coding is almost everywhere these days, but requires close and precise optical scanning of a barcode reader. It 's too slow and often inaccurate. RFID tags, on the other hand, require only that the package will be within range of RFID or radio frequency receiver of the RFID IC. The days of execution of a package with avisual scanning by hand are almost done.
Even today, most shipping companies have vans and prototype embedded RFID interrogators, antennas, RFID, GPS tracking and mobile computers in a network to tie together all you need. Factories, shipping centers and mail everything begins and its use of RFID devices, so you know exactly what packages are in their institutions. So the cycle-tracking package will be completed shortly. Leave the package, or isinduced to send a radio frequency signal from the RFID interrogator takes it in the back of the truck or structure of the signal, the computer network transmits on the street or the construction of a message sent to the mobile computer magazines know what, where and, finally, the GPS system to alert the sender when the truck if the package is for the moment on a truck.
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