Wireless point of sale terminal for credit and debit paymentsystems

摘要

Electronic POS (point of sale) systems process credit and debitcard payments. While the credit card transaction can be processed offline, debit card processing is performed strictly on line. Lack of an online authorization mechanism restricts remote customer orientedservices, like delivery applications, to low amount credit cardtransactions. Debit is not even considered as an option for remotecustomer services. All this is due to the lack of POS terminals toacquirer host connectivity. Wireless communication presents a viablealternative to the problem of merchant to acquirer connectivity.Portable hand held wireless POS terminals enable merchants to provide online debit and credit payment option at the point of service, as opposedto the dedicated location with the cash register installation. WirelessPOS is completely changing the operating mode of the mobile serviceindustries, like taxi, courier, delivery and limousine services. Onedesign approach to wireless POS systems for wireless LAN and wirelessWAN is presented. An introduction to credit and debit card processing isincluded and the conventional POS shortcomings and the new businesssolutions based on the application of wireless POS technology arepresented. The description of the integrated wireless POS terminalfocuses on the communication requirements for POS processing