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Journal of Emerging Trends in Computing and Information Sciences >> Call for Papers Vol. 8 No. 3, March 2017

Journal of Emerging Trends in Computing and Information Sciences

Fuzzy Logic Based Channel Estimation and Performance Analysis of WiMAX Systems

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Author Anita Garhwal, Partha Pratim Bhattacharya
ISSN 2079-8407
On Pages 334-338
Volume No. 3
Issue No. 3
Issue Date March 01, 2012
Publishing Date March 01, 2012
Keywords WiMAX, Fuzzy Logic, OFDM, Channel Estimation


Abstract

Worldwide Interoperability for Microwave Access (WiMAX) provides wireless broadband to fixed and mobile terminals. In this paper, firstly performance evaluation of WiMAX system without channel estimation is carried out. Then a fuzzy logic based channel estimation technique is proposed. Channel estimation is used because amplitude and phase shift causes error in wireless channel. Finally, Performance evaluation of WiMAX system using channel estimation technique is done. Bit error rate performance for different modulation schemes is then compared. Results show that by using channel estimation technique, bit error rate for all adaptive modulation techniques are improved.  

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