Kareem, Ali N., Sinan M. Abdul Satar, Mohammed A. Husein, Liqaa A. Al-Hashime, and Ghaida A. Al-Suhail. 2018. “Performance Improvement Of OOFDM Systems Based On Advanced Logarithmic Companding Technique”. Discoveries in Agriculture and Food Sciences 6 (5):121. https://doi.org/10.14738/tnc.65.5065.