5Ghz IEEE 802.11a for Interference Avoidance

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Executive Summary

The proliferation of wireless devices in the 2.4GHz ISM (Industrial, Scientific, And Medical) unlicensed spectrum has created significant sources of interference for 802.11bg networks. Although sophisticated temporal, spectral, and spatial interference mitigation techniques are available, the most common and simplest method for interference mitigation is simple spectral avoidance; i.e. channel change or band shift. IEEE 802.11bg networks offer 11 different channels (13 Channels for European ETSI) spaced 5 MHz apart in the 2.4000 to 2.4835 GHz spectrum

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