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Electronic fare management is a subject currently intensively discussed all over. A lot of different solutions have been implemented in the past. But a new kind of solution was coming up in the last few years: mobile ticketing. This ticketing concept uses customer's mobile devices to buy public transport tickets, instead of special devices owned by the transport operators.Another topic of discussion...
A new printed CPW-fed monopole antenna for WLAN and WiMAX application with band-rejection performance has been experimentally and theoretically discussed. The proposed antenna has a compact size of 50 × 35 mm2. For multiband performance of the proposed antenna, the dimensions of the notch on the ground plane and radiation patch have been studied by parameter analysis. Furthermore, embedding a narrow...
Next generation wireless networks are foreseen to be heterogeneous in nature.Wireless networks consisting of different access technologies with different bandwidth and coverage area will coexist to provide roaming users with their requirements. Handoff among heterogeneous networks, i.e. vertical handoff (VHO), has attracted enormous attention from researchers over the last couple of years. Absence...
IEEE 802.11 based wireless networks are widely deployed in densely populated areas such as university campuses, airports, offices, cafeterias, etc. Their popularity is rising because of their low cost and high bandwidth except that they cover small coverage areas. In order to cover large areas several access points (AP) are required, which makes it disruptive technology. During roaming, the mobile...
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