ARTICLES

A Multiband Bandstop Filter Using a Single Ring Resonator for a Wireless Access Communication System

A novel multiple bandstop filter (MBSF) with compact size and low insertion loss is proposed and fabricated. This filter is composed of a cell of a spurline and a section of coupled lines with a rectangular ring resonator. The center frequencies of the...
Wireless communication systems, such as cellular mobile communication systems, wireless local area networks (WLAN) and short-range communication systems (Bluetooth), provide convenient communication services in modern society. In an airplane, when the onboard wireless communication services are provided, many other systems may be used simultaneously. Compact equipment that supports multimode/multiband...
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