Berthold, U. OFDM-based overlay systems: A promising approach for enhancing spectral efficiency. IEEE Communications magazine.
Chicago Style (17th ed.) CitationBerthold, Ulrich. "OFDM-based Overlay Systems: A Promising Approach for Enhancing Spectral Efficiency." IEEE Communications Magazine .
MLA (9th ed.) CitationBerthold, Ulrich. "OFDM-based Overlay Systems: A Promising Approach for Enhancing Spectral Efficiency." IEEE Communications Magazine, .
Warning: These citations may not always be 100% accurate.