Abstract
Zigbee is one of the major sources of interference
in 2.4GHz band for WLANs. It is seen whenever any Zigbee
system is operating near to the WLAN system and
transmitting signal at same frequency, time as of WLAN’s, the
later ones performance detoriate severely. So in this paper an
algorithm is proposed to estimate Zigbee interference
component present in all OFDM based WLANs sub-carriers
and cancel out the Zigbee interference from the received
signal of WLANs receiver for multipath fading channels in
frequency domain. Simulation results shows for high SNR
values full cancellation of Zigbee interference or zero BER is
possible.
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