Evaluating the Adaptive Frequency Hopping Mechanism to Enable Bluetooth – WLAN Coexistence

Both Bluetooth and IEEE 802.11b are the dominant wireless standards for cable replacement and WLANs respectively. They both operate in the 2.4 GHz ISM band and co-located devices cause mutual interference and hence performance degradation. A non-collaborative method to reduce interference is Adaptive Frequency Hopping. This paper presents experimental results of interference measurements with and without AFH in a typical office environment for both data and voice transmissions.

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