Design of switched multiband filters for IEEE 802.11a/b/g WLANs

Authors:
S. Raghavan;P. Sion
Affiliations:
Department of Electronics and Communication Engineering, National Institute of Technology, Trichy, TamilNadu, India;Department of Electronics and Communication Engineering, National Institute of Technology, Trichy, TamilNadu, India
Venue:
WSEAS TRANSACTIONS on COMMUNICATIONS
Year:
2009

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Abstract

Switched Multiband Microstrip bandpass filters for IEEE 802.11a/b/g WLANs are presented. Cross coupled square open loop resonator type of filter is used as the basic design. These filters were selected since there was a tuning parameter available in the structure which changed the center frequency without change in performance. Two MEMS reconfigurable filter structures are proposed. Static simulations for each position of the MEMS switches were performed for S11 and S12 to observe the bandwidth and insertion loss of the filter. The simulations were performed on IE3D 10.06.