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|Title||Investigation of Non-Overlapping Time-Domain Windowing for OOB Radiation Reduction of OFDM System|
|Title in Arabic||دراسة عدم تداخل النطاق الزمني غير المتداخل للحد من الإشعاع خارج النطاق لنظام OFDM|
Orthogonal frequency-division multiplexing (OFDM) systems suffer from significant out-of-band (OOB) radiation. All existing techniques have several drawbacks as wasting spectral or time resources. Time domain windowing is a well-known technique where an extended smoothing window is multiplied by the modulated signal. This window reduces the signal spectrum sidelobes, however, it extends the resource Block (RB) length resulting in reduces the system data rate. In this work, we intend to review some outstanding techniques for OOB reduction, and investigate a new method of time-domain windowing that does not require extension of time-domain signal. Simulation results show that the non-overlapping windowing exhibits better peak to sidelobe ratio compared to overlapping windowing, yet at the expense of degradation of the BER versus SNR.
|Published in||2019 IEEE 7th Palestinian International Conference on Electrical and Computer Engineering (PICECE)|
|Publisher||Institute of Electrical and Electronics Engineers (IEEE)|
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