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Research Paper | Electronics & Communication Engineering | India | Volume 4 Issue 7, July 2015 | Popularity: 6.6 / 10

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Performance Enhancement for m-QAM technique using Hybrid Wavelet in OFDM Mobile Handover Technique

Annu Malik, Sudhir Malik, Sheetal Malik

Abstract: An Orthogonal frequency-division multiplexing (OFDM) communication classifications, the occurrence offsets in mobile radio channels change the orthogonally between subcarriers and wavelet. In this Research paper, First OFDM method is modeled and simulated under diverse channel circumstances such as AWGN Subsequently pulse shaping procedure for ICI power reduction in OFDM systems is inspected. A number of pulse shaping functions such as Rectangular pulse shape, Till then the power pulse (SP) and Enhanced power pulse (ISP) have been unrushed for ICI power reduction. The act of each pulse shaping purposes such as Rectangular pulse shape, Sinc power pulse (SP) and Improved sinc power pulse (ISP) must been slow for ICI power reduction. The presentation of each pulse shaping function is considered and related with each MQAM technique for 16 and 64 modulation using the parameters such as hybrid discrete wavelet transform, SIR (Signal to Interference Ratio) and BER (Bit Error Rate). HDWT compress the signal with low band in m-QAM technique and simulation in MATLAB.

Keywords: OFDM, Wi-max, BER, ICI Reduction, AWGN, m-QAM, Hybrid-DWT

Edition: Volume 4 Issue 7, July 2015

Pages: 1901 - 1905

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