Mobility

Design of Switched Multiband Filters for IEEE 802.11a/b/g WLANs

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Executive Summary

The escalating deployment of wireless networking technology as well as other wireless technologies in the same unlicensed spectrum is rapidly increasing the radio frequency interference for Wi-Fi (802.11) products, threatening the data throughput performance of Wireless Local Area Network (WLAN). At the same time, the market is demanding higher data throughput rates for new WLAN applications like multimedia audio and video, streaming media, voice over WLAN, and others that require Quality of Service (QoS) capabilities and low packet error rates. Modern microwave communication systems require, especially in satellite and mobile communications, high performance narrow-band band pass filters having low insertion loss and high selectivity together with linear phase or flat group delay in the pass band.

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