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WLAN and WPAN operate in the same 2.4GHz ISM band. So whenever they operate nearby interfere with each other, results in performance degradation for both the system in terms of bit error rate or throughput. In this paper, the authors give an algorithm for estimating and canceling the narrow-band WPAN interference from OFDM based WLAN receiver in AWGN, multipath fading channels is given. First a generalization of the algorithm is given which is applied in the simulation with specific interference modeling of Bluetooth or Zigbee to cancel out the interference. The algorithm performs best when the interference power of the WPAN system is high as the estimation of frequency, power, and phase of the WPAN signal are more accurate.
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