By William I. Orr, Stuart D. Cowan
This authoritative guide covers the layout, development, set up, and operation of fifty two vertical antennas.
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The PSA then helps guide the shopper through the store based on her shopping list and favorites. In addition, the PSA can allow delicatessen and other prepared items to be preordered directly from the device. The PSA also offers reminders for infrequently purchased items and suggests complementary items to accompany customer purchases. The PSA can present recipe and menu planners, with lists of ingredients and nutritional advice. Finally, the device can be used to self-scan items for quick checkout and to track current total balance.
This could be done by offering people discounts and special offers, as stores currently do with club cards. LPS has some potential advantages over other technology approaches, as well as enabling significant additional applications. Other technologies are generally not very accurate indoors, and may well not be able to accurately identify which floor a person is on in a multistory building, such as a typical mall, which limits the use of such technologies in this environment. LPS, on the other hand, is sufficiently accurate that it could enable navigation not just to a certain store, but to specific items within a store.
Asset tracking can also be important in hospitals. One study said that most hospitals have twice as many IV pumps as they use at any given time; they need this many to make sure that they can easily find one when they need it. This study suggested that a typical hospital could save $2 million a year if it could accurately locate all IV pumps at any time, and thereby significantly reduce the number of pumps needed. fm Page 16 Tuesday, April 11, 2006 11:57 AM 16 Local Positioning Systems: LBS Applications and Services EMERGENCIES In emergencies and every day, you need to know the status and exact location of patients, caregivers, and essential equipment.